More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 76 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
Create Agent | 16394916 | 67 days ago | IN | 0 frxETH | 0.00000135 | ||||
Create Agent | 16346646 | 68 days ago | IN | 0 frxETH | 0.00000134 | ||||
Create Agent | 16261175 | 70 days ago | IN | 0 frxETH | 0.00000135 | ||||
Create Agent | 16196175 | 71 days ago | IN | 0 frxETH | 0 | ||||
Create Agent | 16190707 | 72 days ago | IN | 0 frxETH | 0.00000135 | ||||
Create Agent | 16173230 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173227 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173225 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173220 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173217 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173214 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173211 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173209 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173204 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173201 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173196 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173193 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173189 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173186 | 72 days ago | IN | 0 frxETH | 0.00001353 | ||||
Create Agent | 16173184 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173181 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173178 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173176 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173171 | 72 days ago | IN | 0 frxETH | 0.00001342 | ||||
Create Agent | 16173168 | 72 days ago | IN | 0 frxETH | 0.00001353 |
Latest 25 internal transactions (View All)
Loading...
Loading
Contract Source Code Verified (Exact Match)
Contract Name:
AgentFactory
Compiler Version
v0.8.25+commit.b61c2a91
Optimization Enabled:
Yes with 832 runs
Other Settings:
shanghai EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: ISC pragma solidity >=0.8.25; import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol"; import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol"; import { Ownable2Step } from "@openzeppelin/contracts/access/Ownable2Step.sol"; import { Agent } from "./Agent.sol"; import { AIToken } from "./AIToken.sol"; import { LiquidityManager } from "./LiquidityManager.sol"; ////////////////////////////////////////////////////////////////////////////// // // // 888 e88 88e e Y8b d8 // // 888 d888 888b d8b Y8b e88 888 ,e e, 888 8e d88 dP"Y // // 888 C8888 8888D d888b Y8b d888 888 d88 88b 888 88b d88888 C88b // // 888 Y888 888P d888888888b Y888 888 888 , 888 888 888 Y88D // // 888 "88 88" d8888888b Y8b "88 888 "YeeP" 888 888 888 d,dP // // b , 88P // // 8b, "8",P" // ////////////////////////////////////////////////////////////////////////////// /** * @title AgentFactory * @notice The AgentFactory contract is used to deploy new agents */ contract AgentFactory is Ownable2Step { using SafeERC20 for IERC20; using SafeERC20 for AIToken; /// #### Globals /// @notice Token to be paired w/ Agent Token IERC20 public currencyToken; /// @notice Fee, denominated in `currencyToken`, associated with creating an Agent uint256 public creationFee; /// @notice Fee to be set w/n `BootstrapPool` contract uint256 public tradingFee = 100; // 1% /// @notice The initial price set w/n `BootstrapPool` contract uint256 public initialPrice; // The target CCY liquidity uint256 public targetCCYLiquidity; // The share to Bamm on liquidity Migration uint256 public shareToBamm; /// @notice %, in 1e4, agent tokens to mint to `DAO` uint256 public mintToDAO; /// @notice %, in 1e4, agent tokens to mint to `Agent` uint256 public mintToAgent; /// @notice List of agents Agent[] public agents; /// @notice Agent to Agent Manager mapping mapping(address => address) public agentManager; /// @notice Token to Agent mapping mapping(address => address) public tokenAgent; /// @notice Agent Contract Creation code bytes public agentBytecode; /// @notice Gov Contract Creation code bytes public governorBytecode; /// @notice Liquidity Manager Creation code bytes public liquidityManagerBytecode; /// @notice Address of default impl for Agent Contract address public defaultProxyImplementation; /// @notice Mapping to check if a given implementation address is allowed mapping(address => bool) public allowedProxyImplementation; /// #### Constructor /// @param _currencyToken The currency token to use for the agents /// @param _creationFee The creation fee to deploy a new agent constructor(IERC20 _currencyToken, uint256 _creationFee) Ownable(msg.sender) { currencyToken = _currencyToken; creationFee = _creationFee; } /// @notice Deploy new Agent contract /// @notice External function to handle deployment of the `Agent` contract array /// @param _name The `_name` for the agent, token and governance /// @param _symbol The `_symbol` for the agent and token /// @param _url The `uri` address to set w/n 721 storage w/n `Agent` contract /// @param _amountToBuy The _initialPrice to pass as a constructor argument /// @return agent The `LiquidityManager` of the agent contract created function createAgent( string memory _name, string memory _symbol, string memory _url, uint256 _amountToBuy ) external returns (Agent agent) { // Collect creation fee if (creationFee > 0) { currencyToken.transferFrom(msg.sender, address(this), creationFee); } // Deploy the agent agent = Agent(deployAgent(_name, _symbol, _url)); AIToken token = new AIToken(string.concat(_name, " by IQ"), _symbol, address(agent), address(this)); agent.initializeToken(token); tokenAgent[address(token)] = address(agent); // Deploy the governor address governance = deployGovernor(_name, address(token), address(agent)); agent.transferOwnership(address(governance)); agent.transferFrom(address(this), address(governance), 0); // Mint initial tokens and create the liquidity pool uint256 mintToDAOAmount = token.totalSupply() * mintToDAO / 10_000; uint256 mintToAgentAmount = token.totalSupply() * mintToAgent / 10_000; uint256 initialLiquidity = token.totalSupply() - mintToDAOAmount - mintToAgentAmount; LiquidityManager manager = deployLiquidityManager( currencyToken, token, address(agent), initialPrice, targetCCYLiquidity, initialLiquidity, tradingFee ); if (mintToDAOAmount > 0) token.safeTransfer(address(this), mintToDAOAmount); if (mintToAgentAmount > 0) token.safeTransfer(address(agent), mintToAgentAmount); token.safeTransfer(address(manager), initialLiquidity); manager.initializeBootstrapPool(); if (_amountToBuy > 0) { // Do the initial buy in name of the creator. currencyToken.safeTransferFrom(msg.sender, address(this), _amountToBuy); currencyToken.approve(address(manager.bootstrapPool()), _amountToBuy); manager.bootstrapPool().buy(_amountToBuy, msg.sender); } // Add the agent to the list agents.push(agent); emit AgentCreated( address(agent), address(token), address(agent.owner()), address(manager), address(manager.bootstrapPool()) ); } /// #### Deployers /// @notice Internal function to handle deploy via `create2` given the creation code in storage. /// @param _currencyToken The `_currencyToken` to pass as a constructor argument /// @param _agentToken The `_agentToken` to pass as a constructor argument /// @param _agent The `_agent` to pass as a constructor argument /// @param _initialPrice The `_initialPrice` to pass as a constructor argument /// @param _targetCCYLiquidity The `_targetCCYLiquidity` to pass as a constructor argument /// @param _initialLiquidity The `_initialLiquidity` to pass as a constructor argument /// @param _fee The `_fee` to pass as a constructor argument /// @return _manager The `LiquidityManager` of the agent contract created function deployLiquidityManager( IERC20 _currencyToken, IERC20 _agentToken, address _agent, uint256 _initialPrice, uint256 _targetCCYLiquidity, uint256 _initialLiquidity, uint256 _fee ) internal returns (LiquidityManager _manager) { uint256 salt = agents.length; bytes memory bytecodeWithArgs = abi.encodePacked( liquidityManagerBytecode, abi.encode( _currencyToken, _agentToken, address(this), _agent, _initialPrice, _targetCCYLiquidity, _initialLiquidity, _fee ) ); assembly { _manager := create2(0, add(bytecodeWithArgs, 0x20), mload(bytecodeWithArgs), salt) if iszero(extcodesize(_manager)) { revert(0, 0) } } agentManager[_agent] = address(_manager); } /// @notice Deploys a new governor /// @param _name The name of the governor /// @param _token The token address /// @param _agent The agent address /// @return _governor The address of the governor function deployGovernor(string memory _name, address _token, address _agent) internal returns (address _governor) { uint256 salt = agents.length; bytes memory bytecodeWithArgs = abi.encodePacked(governorBytecode, abi.encode(_name, _token, _agent)); assembly { _governor := create2(0, add(bytecodeWithArgs, 0x20), mload(bytecodeWithArgs), salt) if iszero(extcodesize(_governor)) { revert(0, 0) } } } /// @notice Internal function to handle deploy via `create2` given the creation code in storage. /// @param name The name to pass as a constructor argument /// @param symbol The symbol to pass as a constructor argument /// @param url The `uri` address to set w/n 721 storage /// @return agentAddress The address of the agent contract created function deployAgent( string memory name, string memory symbol, string memory url ) internal returns (Agent agentAddress) { uint256 salt = agents.length; bytes memory bytecodeWithArgs = abi.encodePacked(agentBytecode, abi.encode(name, symbol, url, address(this))); assembly { agentAddress := create2(0, add(bytecodeWithArgs, 0x20), mload(bytecodeWithArgs), salt) if iszero(extcodesize(agentAddress)) { revert(0, 0) } } } /// #### Setters /// @notice Allows the owner to update the governor bytecode /// @param _newBytecode The creation code for the Gov contract /// @dev Restricted to owner function setGovenerBytecode(bytes memory _newBytecode) external onlyOwner { governorBytecode = _newBytecode; emit GovernorBytecodeUpdated(_newBytecode); } /// @notice Allows the owner to update the agent bytecode /// @param _newBytecode The creation code for the Agent contract /// @dev Restricted to owner function setAgentBytecode(bytes memory _newBytecode) external onlyOwner { agentBytecode = _newBytecode; emit AgentBytecodeUpdated(_newBytecode); } /// @notice Allows the owner to update the liquidity manager bytecode /// @param _newBytecode The creation code for the LiquidityManager contract /// @dev Restricted to owner function setLiquidityManagerBytecode(bytes memory _newBytecode) external onlyOwner { liquidityManagerBytecode = _newBytecode; emit LiquidityManagerBytecodeUpdated(_newBytecode); } /// @notice Sets the creation fee for `createAgent()` function call /// @param _creationFee The nominal amount in `currencyToken` that a user must /// pay to the `factory` on creation /// @dev Restricted to owner function setCreationFee(uint256 _creationFee) external onlyOwner { creationFee = _creationFee; emit CreationFeeSet(_creationFee); } /// @notice Sets the `currencyToken` for this factory contract /// @param _currencyToken The address of the token to be used as currency /// @dev Restricted to owner function setCurrencyToken(IERC20 _currencyToken) external onlyOwner { currencyToken = _currencyToken; emit CurrencyTokenSet(address(_currencyToken)); } /// @notice Sets the `tradingFee` for `LiquidityManager` -> `BootstrapPool` on deploy /// @param _tradingFee The updated trading fee on the `BootstrapPool` /// @dev Restricted to owner function setTradingFee(uint256 _tradingFee) external onlyOwner { if (_tradingFee > 100) { // Max 1% revert TradingFeeTooHigh(); } tradingFee = _tradingFee; emit TradingFeeSet(_tradingFee); } /// @notice Allows the owner to update the target CCY liquidity /// @param _targetCCYLiquidity The new target CCY liquidity function setTargetCCYLiquidity(uint256 _targetCCYLiquidity) external onlyOwner { targetCCYLiquidity = _targetCCYLiquidity; emit TargetCCYLiquiditySet(_targetCCYLiquidity); } /// @notice Sets the `initialPrice` for `LiquidityManager` -> `BootstrapPool` on deploy /// @param _initialPrice The new `initialPrice` to set /// @dev Restricted to owner function setInitialPrice(uint256 _initialPrice) external onlyOwner { initialPrice = _initialPrice; emit InitialPriceSet(_initialPrice); } /// @notice Sets the %, 1e4, to be seeded to FRAX BAMM on `addLiquidityToFraxswap` /// w/n `LiquidityManager`. Cannot be greater than 100% /// @param _shareToBamm The %, in 1e4, of LP tokens to be seeded to BAMM /// @dev Restricted to owner function setShareToBamm(uint256 _shareToBamm) external onlyOwner { if (_shareToBamm > 10_000) { // Max 100% revert ShareToBammTooHigh(); } shareToBamm = _shareToBamm; emit ShareToBammSet(_shareToBamm); } /// @notice Sets the %, in 1e4, to be sent to `DAO` on creation of agent token /// @param _mintToDAO The %, in 1e4, of `AIToken` to be sent to `DAO` on creation /// @dev Restricted to owner function setMintToDAO(uint256 _mintToDAO) external onlyOwner { if (_mintToDAO > 100) { // Max 1% revert MintTODAOTooHigh(); } mintToDAO = _mintToDAO; emit MintToDAOSet(_mintToDAO); } /// @notice Sets the %, in 1e4, to be sent to `Agent` on creation of agent token /// @param _mintToAgent The %, in 1e4, of `AIToken` to be sent to `DAO` on creation /// @dev Restricted to owner function setMintToAgent(uint256 _mintToAgent) external onlyOwner { if (_mintToAgent > 2000) { // Max 20% revert MintToAgentTooHigh(); } mintToAgent = _mintToAgent; emit MintToAgentSet(_mintToAgent); } /// @notice Sets allowed Proxy Impl on agent creation /// @param _defaultProxyImplementation The default implementation to fallback on the agent /// @dev Restricted to owner function setDefaultProxyImplementation(address _defaultProxyImplementation) external onlyOwner { defaultProxyImplementation = _defaultProxyImplementation; emit DefaultProxyImplementationSet(_defaultProxyImplementation); } /// @notice Sets allowed Proxy Impl w/n whitelist mappping /// @param _proxyImplementation The poxy address, key, in mapping /// @param _allowed The intended value to said key /// @dev Restricted to owner function setAllowedProxyImplementation(address _proxyImplementation, bool _allowed) external onlyOwner { allowedProxyImplementation[_proxyImplementation] = _allowed; emit ProxyImplementationAllowed(_proxyImplementation, _allowed); } /// @notice Sets the agent stage /// @param _agent The address of the agent to set /// @param _stage The stage to set `_agent` to /// @dev Restricted to owner function setAgentStage(address _agent, uint256 _stage) external { if (msg.sender == owner() || (msg.sender == agentManager[_agent] && _stage == 1)) { Agent(payable(_agent)).setStage(_stage); } } /// #### Admin /// @notice Arbitrary Rescue functionality for the `owner` of the `AgentFactory` contract /// @param _tokenAddress The address of the token to rescue /// @param _tokenAmount The amount of token to rescue function recoverERC20(address _tokenAddress, uint256 _tokenAmount) external onlyOwner { // Only the owner address can ever receive the recovery withdrawal SafeERC20.safeTransfer(IERC20(_tokenAddress), owner(), _tokenAmount); emit RecoveredERC20(_tokenAddress, _tokenAmount); } /// #### Views /// @notice Returns the number of agents /// @return The number of agents function numberOfAgents() external view returns (uint256) { return agents.length; } /// #### Events /// @notice Emitted when a new AIAgent is created, `createAgent()` /// @param agent The address of the `Agent` contract /// @param token The address of the `AIToken` contract /// @param governor The address of the `Gov` contract /// @param manager The address of the `LiquidityManager` contract /// @param pool The address of the `BootstrapPool` contract event AgentCreated( address indexed agent, address indexed token, address indexed governor, address manager, address pool ); /// @notice Emitted when a new `creationFee` is set /// @param fee The fee denominated in `currencyToken` event CreationFeeSet(uint256 fee); /// @notice Emitted when a new `currencyToken` is set /// @param currencyToken The token address to set event CurrencyTokenSet(address currencyToken); /// @notice Emitted when a new `mintToDAO` is set /// @param mintToDAO the %, in 1e4, to be minted to tha `DAO` event MintToDAOSet(uint256 mintToDAO); /// @notice Emitted when a new `mintToAgnet` is set /// @param mintToAgnet the %, in 1e4, to be minted to tha `Agent` event MintToAgentSet(uint256 mintToAgnet); /// @notice Emitted when new `defaultProxyImplementation` is set /// @param defaultProxyImplementation new default proxy impl address event DefaultProxyImplementationSet(address defaultProxyImplementation); /// @notice Emitted when a new `proxyImplementation` is whitelisted /// @param proxyImplementation address, key in mapping /// @param allowed bool, indicates wl status, 1 -> allowed 0 -> not event ProxyImplementationAllowed(address proxyImplementation, bool allowed); /// @notice Emitted when `Agent` creation code is changed /// @param newBytecode The new creation code for the `Agent` contract event AgentBytecodeUpdated(bytes newBytecode); /// @notice Emitted when `Gov` creation code is changed /// @param newBytecode The new creation code for the `Gov` contract event GovernorBytecodeUpdated(bytes newBytecode); /// @notice Emitted when `LiquidityManager` creation code is changed /// @param newBytecode The new creation code for the `LiquidityManager` contract event LiquidityManagerBytecodeUpdated(bytes newBytecode); /// @notice Emitted when the `shareToBamm` is set /// @param shareToBamm Share to seed bamm on migration event ShareToBammSet(uint256 shareToBamm); /// @notice Emitted when the Initial price for `BootstrapPool` creation is set /// @param initialPrice The price to boot strap from event InitialPriceSet(uint256 initialPrice); /// @notice Emitted when a new `targetCCYLiquidity` is set /// @param targetCCYLiquidity The newly set `targetCCYLiquidity` value event TargetCCYLiquiditySet(uint256 targetCCYLiquidity); /// @notice Emitted when `tradingFee` for `BootstrapPool` is set /// @notice The %, in 1e4, for the fees on swap w/n pool event TradingFeeSet(uint256 tradingFee); /// @notice Emitted when a token is recovered /// @param token The address of the token recovered /// @param amount The amount of the tokens recovered event RecoveredERC20(address token, uint256 amount); /// #### Errors error MintTODAOTooHigh(); // Revert w/n change dao fee error MintToAgentTooHigh(); // Revert w/n change agent fee error ShareToBammTooHigh(); // Revert w/n change bamm share error TradingFeeTooHigh(); // Revert w/n change trading fee }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "../token/ERC20/IERC20.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; import {IERC1363} from "../../../interfaces/IERC1363.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC-20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { /** * @dev An operation with an ERC-20 token failed. */ error SafeERC20FailedOperation(address token); /** * @dev Indicates a failed `decreaseAllowance` request. */ error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease); /** * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value, * non-reverting calls are assumed to be successful. */ function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value))); } /** * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful. */ function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value))); } /** * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. * * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client" * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior. */ function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 oldAllowance = token.allowance(address(this), spender); forceApprove(token, spender, oldAllowance + value); } /** * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no * value, non-reverting calls are assumed to be successful. * * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client" * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior. */ function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal { unchecked { uint256 currentAllowance = token.allowance(address(this), spender); if (currentAllowance < requestedDecrease) { revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease); } forceApprove(token, spender, currentAllowance - requestedDecrease); } } /** * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value, * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval * to be set to zero before setting it to a non-zero value, such as USDT. * * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being * set here. */ function forceApprove(IERC20 token, address spender, uint256 value) internal { bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value)); if (!_callOptionalReturnBool(token, approvalCall)) { _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0))); _callOptionalReturn(token, approvalCall); } } /** * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when * targeting contracts. * * Reverts if the returned value is other than `true`. */ function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal { if (to.code.length == 0) { safeTransfer(token, to, value); } else if (!token.transferAndCall(to, value, data)) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when * targeting contracts. * * Reverts if the returned value is other than `true`. */ function transferFromAndCallRelaxed( IERC1363 token, address from, address to, uint256 value, bytes memory data ) internal { if (to.code.length == 0) { safeTransferFrom(token, from, to, value); } else if (!token.transferFromAndCall(from, to, value, data)) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when * targeting contracts. * * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}. * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall} * once without retrying, and relies on the returned value to be true. * * Reverts if the returned value is other than `true`. */ function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal { if (to.code.length == 0) { forceApprove(token, to, value); } else if (!token.approveAndCall(to, value, data)) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements. */ function _callOptionalReturn(IERC20 token, bytes memory data) private { uint256 returnSize; uint256 returnValue; assembly ("memory-safe") { let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20) // bubble errors if iszero(success) { let ptr := mload(0x40) returndatacopy(ptr, 0, returndatasize()) revert(ptr, returndatasize()) } returnSize := returndatasize() returnValue := mload(0) } if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) { revert SafeERC20FailedOperation(address(token)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). * * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead. */ function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) { bool success; uint256 returnSize; uint256 returnValue; assembly ("memory-safe") { success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20) returnSize := returndatasize() returnValue := mload(0) } return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (access/Ownable2Step.sol) pragma solidity ^0.8.20; import {Ownable} from "./Ownable.sol"; /** * @dev Contract module which provides access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * This extension of the {Ownable} contract includes a two-step mechanism to transfer * ownership, where the new owner must call {acceptOwnership} in order to replace the * old one. This can help prevent common mistakes, such as transfers of ownership to * incorrect accounts, or to contracts that are unable to interact with the * permission system. * * The initial owner is specified at deployment time in the constructor for `Ownable`. This * can later be changed with {transferOwnership} and {acceptOwnership}. * * This module is used through inheritance. It will make available all functions * from parent (Ownable). */ abstract contract Ownable2Step is Ownable { address private _pendingOwner; event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner); /** * @dev Returns the address of the pending owner. */ function pendingOwner() public view virtual returns (address) { return _pendingOwner; } /** * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one. * Can only be called by the current owner. * * Setting `newOwner` to the zero address is allowed; this can be used to cancel an initiated ownership transfer. */ function transferOwnership(address newOwner) public virtual override onlyOwner { _pendingOwner = newOwner; emit OwnershipTransferStarted(owner(), newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner. * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual override { delete _pendingOwner; super._transferOwnership(newOwner); } /** * @dev The new owner accepts the ownership transfer. */ function acceptOwnership() public virtual { address sender = _msgSender(); if (pendingOwner() != sender) { revert OwnableUnauthorizedAccount(sender); } _transferOwnership(sender); } }
// SPDX-License-Identifier: ISC pragma solidity >=0.8.25; import { ERC721URIStorage, ERC721 } from "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol"; import { Proxy } from "@openzeppelin/contracts/proxy/Proxy.sol"; import { AIToken } from "./AIToken.sol"; import { AgentFactory } from "./AgentFactory.sol"; ////////////////////////////////////////////////////////////////////////////// // // // 888 e88 88e e Y8b d8 // // 888 d888 888b d8b Y8b e88 888 ,e e, 888 8e d88 dP"Y // // 888 C8888 8888D d888b Y8b d888 888 d88 88b 888 88b d88888 C88b // // 888 Y888 888P d888888888b Y888 888 888 , 888 888 888 Y88D // // 888 "88 88" d8888888b Y8b "88 888 "YeeP" 888 888 888 d,dP // // b , 88P // // 8b, "8",P" // ////////////////////////////////////////////////////////////////////////////// /** * @title Agent * @dev Agent contract */ contract Agent is ERC721URIStorage, Ownable, Proxy { // The AIToken contract associated with this agent AIToken public token; // The AgentFactory contract from which `Agent` is deployed AgentFactory public immutable factory; // The address of the proxy implementation set by the agent governance address public proxyImplementation; // The stage of the agent uint256 public stage = 0; // Modifiers modifier onlyFactory() { if (msg.sender != address(factory)) revert NotFactory(); _; } modifier onlyWhenAlive() { if (stage == 0) revert NotAlive(); _; } // Errors error InvalidTargetAddress(); error InvalidProxyImplementation(); error NotFactory(); error NotAlive(); // Events event ProxyImplementationSet(address _proxyImplementation); event TokenURISet(uint256 indexed tokenId, string _tokenURI); event StageSet(uint256 _stage); /// @dev Constructor /// @param name The name of the agent /// @param symbol The symbol of the agent /// @param url The URL of the agent /// @param _factory The address of the AgentFactory contract constructor( string memory name, string memory symbol, string memory url, address _factory ) ERC721(name, symbol) Ownable(_factory) { factory = AgentFactory(_factory); _mint(_factory, 0); _setTokenURI(0, url); } /// @dev Fallback function to receive the gas token receive() external payable { } /// @dev Initialize the token, can only be set once by the owner /// @param _token The address of the AIToken contract function initializeToken(AIToken _token) public onlyOwner { if (token == AIToken(address(0))) token = _token; } /// @dev Returns the implementation address of the proxy function _implementation() internal view override returns (address) { // If the proxy implementation is set, return it if (proxyImplementation != address(0)) { return proxyImplementation; } else { // Otherwise, return the default proxy implementation from the factory return factory.defaultProxyImplementation(); } } /// @dev set the proxy implementation address /// @param _proxyImplementation The address of the proxy implementation function setProxyImplementation(address _proxyImplementation) public onlyOwner onlyWhenAlive { if (_proxyImplementation != address(0) && !factory.allowedProxyImplementation(_proxyImplementation)) { revert InvalidProxyImplementation(); } proxyImplementation = _proxyImplementation; emit ProxyImplementationSet(_proxyImplementation); } /// @dev set the stage of the agent /// @param _stage The stage of the agent function setStage(uint256 _stage) public onlyFactory { if (_stage > stage) stage = _stage; emit StageSet(_stage); } /// @dev set the token URI /// @param tokenId The token ID /// @param _tokenURI The token URI function setTokenURI(uint256 tokenId, string memory _tokenURI) public onlyOwner onlyWhenAlive { _setTokenURI(tokenId, _tokenURI); emit TokenURISet(tokenId, _tokenURI); } }
// SPDX-License-Identifier: ISC pragma solidity >=0.8.25; import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol"; import { ERC20Permit } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol"; import { ERC20Votes, ERC20 } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol"; import { Nonces } from "@openzeppelin/contracts/utils/Nonces.sol"; import { Time } from "@openzeppelin/contracts/utils/types/Time.sol"; ////////////////////////////////////////////////////////////////////////////// // // // 888 e88 88e e Y8b d8 // // 888 d888 888b d8b Y8b e88 888 ,e e, 888 8e d88 dP"Y // // 888 C8888 8888D d888b Y8b d888 888 d88 88b 888 88b d88888 C88b // // 888 Y888 888P d888888888b Y888 888 888 , 888 888 888 Y88D // // 888 "88 88" d8888888b Y8b "88 888 "YeeP" 888 888 888 d,dP // // b , 88P // // 8b, "8",P" // ////////////////////////////////////////////////////////////////////////////// uint256 constant INITAL_SUPPLY = 100_000_000 * 10 ** 18; /** * @title AIToken * @dev Implementation of the AIToken */ contract AIToken is ERC20Votes, ERC20Permit, Ownable { /// @dev Constructor /// @param name The name of the `AIToken` /// @param symbol The symbol of the `AIToken` /// @param agent The address of the `Agent` contract /// @param factory The address of the `AgentFactory` contract constructor( string memory name, string memory symbol, address agent, address factory ) ERC20(name, symbol) ERC20Permit(name) Ownable(agent) { _mint(factory, INITAL_SUPPLY); } /// @notice Overrides base class function _update(address from, address to, uint256 amount) internal override(ERC20, ERC20Votes) { super._update(from, to, amount); } /// @notice Overrides base class function nonces(address owner) public view virtual override(ERC20Permit, Nonces) returns (uint256) { return super.nonces(owner); } /// @notice Function which will mint tokens /// @param to The address of the recipient /// @param amount The amount to mint /// @dev Only callable via owner (`Agent`) function mint(address to, uint256 amount) external onlyOwner { _mint(to, amount); } /// @notice Function which will burn tokens /// @param from The address to burn from /// @param amount The amount to be burned /// @dev Only callable via owner (`Agent`) function burn(address from, uint256 amount) external onlyOwner { _burn(from, amount); } /** * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based * checkpoints (and voting), in which case {CLOCK_MODE} should be overridden as well to match. * This is the overridden version that uses timestamps */ function clock() public view override returns (uint48) { return Time.timestamp(); } /** * @dev Machine-readable description of the clock as specified in ERC-6372. */ // solhint-disable-next-line func-name-mixedcase function CLOCK_MODE() public view override returns (string memory) { // Check that the clock was not modified if (clock() != Time.timestamp()) { revert ERC6372InconsistentClock(); } return "mode=timestamp&from=default"; } }
// SPDX-License-Identifier: ISC pragma solidity >=0.8.25; import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol"; import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import { IFraxswapPair } from "dev-fraxswap/src/contracts/core/interfaces/IFraxswapPair.sol"; import { IFraxswapFactory } from "dev-fraxswap/src/contracts/core/interfaces/IFraxswapFactory.sol"; import { Math } from "dev-fraxswap/src/contracts/core/libraries/Math.sol"; import { BootstrapPool } from "./BootstrapPool.sol"; import { AgentFactory } from "./AgentFactory.sol"; import { IBAMMFactory } from "./interface/IBAMMFactory.sol"; import { IBAMM } from "./interface/IBAMM.sol"; ////////////////////////////////////////////////////////////////////////////// // // // 888 e88 88e e Y8b d8 // // 888 d888 888b d8b Y8b e88 888 ,e e, 888 8e d88 dP"Y // // 888 C8888 8888D d888b Y8b d888 888 d88 88b 888 88b d88888 C88b // // 888 Y888 888P d888888888b Y888 888 888 , 888 888 888 Y88D // // 888 "88 88" d8888888b Y8b "88 888 "YeeP" 888 888 888 d,dP // // b , 88P // // 8b, "8",P" // ////////////////////////////////////////////////////////////////////////////// /** * @title LiquidityManager * @dev LiquidityManager contract */ contract LiquidityManager { using SafeERC20 for IERC20; // The agent address address public immutable agent; // The owner of the contract address public immutable owner; // The initialized status of the contract bool public initialized = false; // The agent token IERC20 public immutable agentToken; // The currency token IERC20 public immutable currencyToken; // The bootstrap pool BootstrapPool public bootstrapPool; // The initial price of the agent token uint256 public immutable initialPrice; // The target CCY liquidity uint256 public immutable targetCCYLiquidity; // The initial liquidity uint256 public immutable initialLiquidity; // The fee uint256 public immutable fee; // The Fraxswap factory address IFraxswapFactory public constant fraxswapFactory = IFraxswapFactory(0xE30521fe7f3bEB6Ad556887b50739d6C7CA667E6); // The BAMM factory address IBAMMFactory public constant bammFactory = IBAMMFactory(0x19928170D739139bfbBb6614007F8EEeD17DB0Ba); // Events /// @notice Emitted on `moveLiquidity()` call /// @param agent The address of the `Agent` contract being moved /// @param agentToken The address of the `AIToken` contract being moved /// @param lpPair The address of the V2 LP pool liquidity is moved to event LiquidityMoved(address indexed agent, address indexed agentToken, address indexed lpPair); /// @dev Constructor /// @param _currencyToken The currency token /// @param _agentToken The agent token /// @param _owner The owner of the contract /// @param _agent The agent address /// @param _initialPrice The initial price of the agent token in the currency token /// @param _targetCCYLiquidity The target CCY liquidity needed to move the liquidity /// @param _initialLiquidity The initial liquidity of the agent token /// @param _fee The swap fee of the pool constructor( IERC20 _currencyToken, IERC20 _agentToken, address _owner, address _agent, uint256 _initialPrice, uint256 _targetCCYLiquidity, uint256 _initialLiquidity, uint256 _fee ) { owner = _owner; agent = _agent; currencyToken = _currencyToken; agentToken = _agentToken; initialPrice = _initialPrice; targetCCYLiquidity = _targetCCYLiquidity; initialLiquidity = _initialLiquidity; fee = _fee; } /// @dev Initialize the bootstrap pool, can only be called once function initializeBootstrapPool() external { require(!initialized, "BootstrapPool already initialized"); initialized = true; bootstrapPool = new BootstrapPool(currencyToken, agentToken, initialPrice, initialLiquidity, fee); agentToken.safeTransfer(address(bootstrapPool), initialLiquidity); } /// @dev Move the liquidity from the bootstrap pool to Fraxswap function moveLiquidity() external { require(!bootstrapPool.killed(), "BootstrapPool already killed"); uint256 price = bootstrapPool.getPrice(); (uint256 _reserveCurrencyToken,) = bootstrapPool.getReserves(); _reserveCurrencyToken = _reserveCurrencyToken - bootstrapPool.phantomAmount(); uint256 factoryTargetCCYLiquidity = AgentFactory(owner).targetCCYLiquidity(); require( _reserveCurrencyToken >= targetCCYLiquidity || _reserveCurrencyToken >= factoryTargetCCYLiquidity, "Bootstrap end-criterion not reached" ); bootstrapPool.kill(); // Determine liquidity amount to add uint256 currencyAmount = currencyToken.balanceOf(address(this)); uint256 liquidityAmount = currencyAmount * 1e18 / price; // Add liquidity to Fraxswap IFraxswapPair fraxswapPair = addLiquidityToFraxswap(liquidityAmount, currencyAmount); // Send all remaining tokens to the agent. agentToken.safeTransfer(address(agent), agentToken.balanceOf(address(this))); currencyToken.safeTransfer(address(agent), currencyToken.balanceOf(address(this))); emit LiquidityMoved(agent, address(agentToken), address(fraxswapPair)); AgentFactory(owner).setAgentStage(agent, 1); } /// @dev Add liquidity to Fraxswap (and BAMM) /// @param liquidityAmount The amount of liquidity to add /// @param currencyAmount The amount of currency token to add function addLiquidityToFraxswap( uint256 liquidityAmount, uint256 currencyAmount ) internal returns (IFraxswapPair fraxswapPair) { fraxswapPair = IFraxswapPair(fraxswapFactory.getPair(address(currencyToken), address(agentToken))); if (fraxswapPair == IFraxswapPair(address(0))) { // Create Fraxswap pair and add liquidity fraxswapPair = IFraxswapPair(fraxswapFactory.createPair(address(currencyToken), address(agentToken), fee)); agentToken.safeTransfer(address(fraxswapPair), liquidityAmount); currencyToken.safeTransfer(address(fraxswapPair), currencyAmount); fraxswapPair.mint(address(this)); } else { // Fraxswappair was already created, make sure the price in the Fraxswap pair is correct before we add // liquidity // We do a mini mint first, to make sure there are enough tokens in the pair to swap agentToken.safeTransfer(address(fraxswapPair), liquidityAmount / 1_000_000); currencyToken.safeTransfer(address(fraxswapPair), currencyAmount / 1_000_000); fraxswapPair.mint(address(this)); liquidityAmount = liquidityAmount - liquidityAmount / 1_000_000; currencyAmount = currencyAmount - currencyAmount / 1_000_000; // Do three rounds of swaps to get close to the correct price. // We need to do this because the price in the pair is might not be the same as the price in the bootstrap // pool, and we need to get the price in the pair close to the price in the bootstrap pool before we add // liquidity. We do this in three rounds, because the swap amount calculation is not precisely correct. for (uint256 i = 0; i < 3; ++i) { uint256 reserveCurrency; uint256 reserveAgentTokens; { (uint112 reserve0, uint112 reserve1,) = fraxswapPair.getReserves(); if (fraxswapPair.token0() == address(currencyToken)) { reserveCurrency = reserve0; reserveAgentTokens = reserve1; } else { reserveCurrency = reserve1; reserveAgentTokens = reserve0; } } if (currencyAmount * uint256(reserveAgentTokens) / uint256(reserveCurrency) > liquidityAmount) { // Swap currencyToken to agentToken uint256 amountIn = getMaxSell(currencyAmount, liquidityAmount, reserveCurrency, reserveAgentTokens); if (amountIn > 0) { uint256 amountOut = fraxswapPair.getAmountOut(amountIn, address(currencyToken)); if (amountOut > 0) { currencyToken.safeTransfer(address(fraxswapPair), amountIn); if (fraxswapPair.token0() == address(currencyToken)) { fraxswapPair.swap(0, amountOut, address(this), ""); } else { fraxswapPair.swap(amountOut, 0, address(this), ""); } currencyAmount -= amountIn; liquidityAmount += amountOut; } } } else { // Swap agentToken to the currencyToken uint256 amountIn = getMaxSell(liquidityAmount, currencyAmount, reserveAgentTokens, reserveCurrency); if (amountIn > 0) { uint256 amountOut = fraxswapPair.getAmountOut(amountIn, address(agentToken)); if (amountOut > 0) { agentToken.safeTransfer(address(fraxswapPair), amountIn); if (fraxswapPair.token0() == address(currencyToken)) { fraxswapPair.swap(amountOut, 0, address(this), ""); } else { fraxswapPair.swap(0, amountOut, address(this), ""); } liquidityAmount -= amountIn; currencyAmount += amountOut; } } } } // Do the final mint agentToken.safeTransfer(address(fraxswapPair), liquidityAmount); currencyToken.safeTransfer(address(fraxswapPair), currencyAmount); fraxswapPair.mint(address(this)); } uint256 amountToBamm = fraxswapPair.balanceOf(address(this)) * AgentFactory(owner).shareToBamm() / 10_000; if (amountToBamm > 0) { // Create BAMM pair if needed and mint BAMM LP tokens IBAMM bamm = IBAMM(bammFactory.pairToBamm(address(fraxswapPair))); if (bamm == IBAMM(address(0))) bamm = IBAMM(bammFactory.createBamm(address(fraxswapPair))); fraxswapPair.approve(address(bamm), amountToBamm); bamm.mint(agent, amountToBamm); } // Transfer remaining Fraxswap LP tokens to the agent fraxswapPair.transfer(agent, fraxswapPair.balanceOf(address(this))); } /// @dev Approximates how much of a token must be sold for the users ratio to be the same as the ratio in the AMM. /// @dev Note that this calculation ignores swap fees, so the amount is slightly lower than the correct amount. /// @param tokenIn The amount of tokens we want to add as liquidity from the token we need to sell /// @param tokenOut The amount of token we want to add as liquidity from the token we need to buy /// @param reserveIn The current AMM reserve of the token to sell /// @param reserveOut The current AMM reserve of the token to buy /// @return maxSell The amount of token in to sell function getMaxSell( uint256 tokenIn, uint256 tokenOut, uint256 reserveIn, uint256 reserveOut ) public pure returns (uint256 maxSell) { // Solve x for: (reserveOut-y)/(reserveIn+x) = (tokenOut+y)/(tokenIn-x), // (reserveOut-y)*(reserveIn+x)=reserveIn*reserveOut uint256 prod = Math.sqrt(reserveOut * reserveIn) * Math.sqrt((reserveOut + tokenOut) * (reserveIn + tokenIn)); uint256 minus = reserveIn * tokenOut + reserveOut * reserveIn; if (prod > minus) maxSell = (prod - minus) / (reserveOut + tokenOut); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-20 standard as defined in the ERC. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol) pragma solidity ^0.8.20; import {IERC20} from "./IERC20.sol"; import {IERC165} from "./IERC165.sol"; /** * @title IERC1363 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363]. * * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction. */ interface IERC1363 is IERC20, IERC165 { /* * Note: the ERC-165 identifier for this interface is 0xb0202a11. * 0xb0202a11 === * bytes4(keccak256('transferAndCall(address,uint256)')) ^ * bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^ * bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^ * bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^ * bytes4(keccak256('approveAndCall(address,uint256)')) ^ * bytes4(keccak256('approveAndCall(address,uint256,bytes)')) */ /** * @dev Moves a `value` amount of tokens from the caller's account to `to` * and then calls {IERC1363Receiver-onTransferReceived} on `to`. * @param to The address which you want to transfer to. * @param value The amount of tokens to be transferred. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function transferAndCall(address to, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from the caller's account to `to` * and then calls {IERC1363Receiver-onTransferReceived} on `to`. * @param to The address which you want to transfer to. * @param value The amount of tokens to be transferred. * @param data Additional data with no specified format, sent in call to `to`. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism * and then calls {IERC1363Receiver-onTransferReceived} on `to`. * @param from The address which you want to send tokens from. * @param to The address which you want to transfer to. * @param value The amount of tokens to be transferred. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function transferFromAndCall(address from, address to, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism * and then calls {IERC1363Receiver-onTransferReceived} on `to`. * @param from The address which you want to send tokens from. * @param to The address which you want to transfer to. * @param value The amount of tokens to be transferred. * @param data Additional data with no specified format, sent in call to `to`. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`. * @param spender The address which will spend the funds. * @param value The amount of tokens to be spent. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function approveAndCall(address spender, uint256 value) external returns (bool); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`. * @param spender The address which will spend the funds. * @param value The amount of tokens to be spent. * @param data Additional data with no specified format, sent in call to `spender`. * @return A boolean value indicating whether the operation succeeded unless throwing. */ function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/extensions/ERC721URIStorage.sol) pragma solidity ^0.8.20; import {ERC721} from "../ERC721.sol"; import {Strings} from "../../../utils/Strings.sol"; import {IERC4906} from "../../../interfaces/IERC4906.sol"; import {IERC165} from "../../../interfaces/IERC165.sol"; /** * @dev ERC-721 token with storage based token URI management. */ abstract contract ERC721URIStorage is IERC4906, ERC721 { using Strings for uint256; // Interface ID as defined in ERC-4906. This does not correspond to a traditional interface ID as ERC-4906 only // defines events and does not include any external function. bytes4 private constant ERC4906_INTERFACE_ID = bytes4(0x49064906); // Optional mapping for token URIs mapping(uint256 tokenId => string) private _tokenURIs; /** * @dev See {IERC165-supportsInterface} */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC721, IERC165) returns (bool) { return interfaceId == ERC4906_INTERFACE_ID || super.supportsInterface(interfaceId); } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireOwned(tokenId); string memory _tokenURI = _tokenURIs[tokenId]; string memory base = _baseURI(); // If there is no base URI, return the token URI. if (bytes(base).length == 0) { return _tokenURI; } // If both are set, concatenate the baseURI and tokenURI (via string.concat). if (bytes(_tokenURI).length > 0) { return string.concat(base, _tokenURI); } return super.tokenURI(tokenId); } /** * @dev Sets `_tokenURI` as the tokenURI of `tokenId`. * * Emits {MetadataUpdate}. */ function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal virtual { _tokenURIs[tokenId] = _tokenURI; emit MetadataUpdate(tokenId); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (proxy/Proxy.sol) pragma solidity ^0.8.20; /** * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to * be specified by overriding the virtual {_implementation} function. * * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a * different contract through the {_delegate} function. * * The success and return data of the delegated call will be returned back to the caller of the proxy. */ abstract contract Proxy { /** * @dev Delegates the current call to `implementation`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _delegate(address implementation) internal virtual { assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev This is a virtual function that should be overridden so it returns the address to which the fallback * function and {_fallback} should delegate. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates the current call to the address returned by `_implementation()`. * * This function does not return to its internal call site, it will return directly to the external caller. */ function _fallback() internal virtual { _delegate(_implementation()); } /** * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other * function in the contract matches the call data. */ fallback() external payable virtual { _fallback(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/ERC20Permit.sol) pragma solidity ^0.8.20; import {IERC20Permit} from "./IERC20Permit.sol"; import {ERC20} from "../ERC20.sol"; import {ECDSA} from "../../../utils/cryptography/ECDSA.sol"; import {EIP712} from "../../../utils/cryptography/EIP712.sol"; import {Nonces} from "../../../utils/Nonces.sol"; /** * @dev Implementation of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612]. * * Adds the {permit} method, which can be used to change an account's ERC-20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712, Nonces { bytes32 private constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /** * @dev Permit deadline has expired. */ error ERC2612ExpiredSignature(uint256 deadline); /** * @dev Mismatched signature. */ error ERC2612InvalidSigner(address signer, address owner); /** * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`. * * It's a good idea to use the same `name` that is defined as the ERC-20 token name. */ constructor(string memory name) EIP712(name, "1") {} /** * @inheritdoc IERC20Permit */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) public virtual { if (block.timestamp > deadline) { revert ERC2612ExpiredSignature(deadline); } bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline)); bytes32 hash = _hashTypedDataV4(structHash); address signer = ECDSA.recover(hash, v, r, s); if (signer != owner) { revert ERC2612InvalidSigner(signer, owner); } _approve(owner, spender, value); } /** * @inheritdoc IERC20Permit */ function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) { return super.nonces(owner); } /** * @inheritdoc IERC20Permit */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view virtual returns (bytes32) { return _domainSeparatorV4(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/ERC20Votes.sol) pragma solidity ^0.8.20; import {ERC20} from "../ERC20.sol"; import {Votes} from "../../../governance/utils/Votes.sol"; import {Checkpoints} from "../../../utils/structs/Checkpoints.sol"; /** * @dev Extension of ERC-20 to support Compound-like voting and delegation. This version is more generic than Compound's, * and supports token supply up to 2^208^ - 1, while COMP is limited to 2^96^ - 1. * * NOTE: This contract does not provide interface compatibility with Compound's COMP token. * * This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either * by calling the {Votes-delegate} function directly, or by providing a signature to be used with {Votes-delegateBySig}. Voting * power can be queried through the public accessors {Votes-getVotes} and {Votes-getPastVotes}. * * By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it * requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked. */ abstract contract ERC20Votes is ERC20, Votes { /** * @dev Total supply cap has been exceeded, introducing a risk of votes overflowing. */ error ERC20ExceededSafeSupply(uint256 increasedSupply, uint256 cap); /** * @dev Maximum token supply. Defaults to `type(uint208).max` (2^208^ - 1). * * This maximum is enforced in {_update}. It limits the total supply of the token, which is otherwise a uint256, * so that checkpoints can be stored in the Trace208 structure used by {Votes}. Increasing this value will not * remove the underlying limitation, and will cause {_update} to fail because of a math overflow in * {Votes-_transferVotingUnits}. An override could be used to further restrict the total supply (to a lower value) if * additional logic requires it. When resolving override conflicts on this function, the minimum should be * returned. */ function _maxSupply() internal view virtual returns (uint256) { return type(uint208).max; } /** * @dev Move voting power when tokens are transferred. * * Emits a {IVotes-DelegateVotesChanged} event. */ function _update(address from, address to, uint256 value) internal virtual override { super._update(from, to, value); if (from == address(0)) { uint256 supply = totalSupply(); uint256 cap = _maxSupply(); if (supply > cap) { revert ERC20ExceededSafeSupply(supply, cap); } } _transferVotingUnits(from, to, value); } /** * @dev Returns the voting units of an `account`. * * WARNING: Overriding this function may compromise the internal vote accounting. * `ERC20Votes` assumes tokens map to voting units 1:1 and this is not easy to change. */ function _getVotingUnits(address account) internal view virtual override returns (uint256) { return balanceOf(account); } /** * @dev Get number of checkpoints for `account`. */ function numCheckpoints(address account) public view virtual returns (uint32) { return _numCheckpoints(account); } /** * @dev Get the `pos`-th checkpoint for `account`. */ function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoints.Checkpoint208 memory) { return _checkpoints(account, pos); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol) pragma solidity ^0.8.20; /** * @dev Provides tracking nonces for addresses. Nonces will only increment. */ abstract contract Nonces { /** * @dev The nonce used for an `account` is not the expected current nonce. */ error InvalidAccountNonce(address account, uint256 currentNonce); mapping(address account => uint256) private _nonces; /** * @dev Returns the next unused nonce for an address. */ function nonces(address owner) public view virtual returns (uint256) { return _nonces[owner]; } /** * @dev Consumes a nonce. * * Returns the current value and increments nonce. */ function _useNonce(address owner) internal virtual returns (uint256) { // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be // decremented or reset. This guarantees that the nonce never overflows. unchecked { // It is important to do x++ and not ++x here. return _nonces[owner]++; } } /** * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`. */ function _useCheckedNonce(address owner, uint256 nonce) internal virtual { uint256 current = _useNonce(owner); if (nonce != current) { revert InvalidAccountNonce(owner, current); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/types/Time.sol) pragma solidity ^0.8.20; import {Math} from "../math/Math.sol"; import {SafeCast} from "../math/SafeCast.sol"; /** * @dev This library provides helpers for manipulating time-related objects. * * It uses the following types: * - `uint48` for timepoints * - `uint32` for durations * * While the library doesn't provide specific types for timepoints and duration, it does provide: * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point * - additional helper functions */ library Time { using Time for *; /** * @dev Get the block timestamp as a Timepoint. */ function timestamp() internal view returns (uint48) { return SafeCast.toUint48(block.timestamp); } /** * @dev Get the block number as a Timepoint. */ function blockNumber() internal view returns (uint48) { return SafeCast.toUint48(block.number); } // ==================================================== Delay ===================================================== /** * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the * future. The "effect" timepoint describes when the transitions happens from the "old" value to the "new" value. * This allows updating the delay applied to some operation while keeping some guarantees. * * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should * still apply for some time. * * * The `Delay` type is 112 bits long, and packs the following: * * ``` * | [uint48]: effect date (timepoint) * | | [uint32]: value before (duration) * ↓ ↓ ↓ [uint32]: value after (duration) * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC * ``` * * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently * supported. */ type Delay is uint112; /** * @dev Wrap a duration into a Delay to add the one-step "update in the future" feature */ function toDelay(uint32 duration) internal pure returns (Delay) { return Delay.wrap(duration); } /** * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered. */ function _getFullAt( Delay self, uint48 timepoint ) private pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) { (valueBefore, valueAfter, effect) = self.unpack(); return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect); } /** * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the * effect timepoint is 0, then the pending value should not be considered. */ function getFull(Delay self) internal view returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) { return _getFullAt(self, timestamp()); } /** * @dev Get the current value. */ function get(Delay self) internal view returns (uint32) { (uint32 delay, , ) = self.getFull(); return delay; } /** * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the * new delay becomes effective. */ function withUpdate( Delay self, uint32 newValue, uint32 minSetback ) internal view returns (Delay updatedDelay, uint48 effect) { uint32 value = self.get(); uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0)); effect = timestamp() + setback; return (pack(value, newValue, effect), effect); } /** * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint). */ function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) { uint112 raw = Delay.unwrap(self); valueAfter = uint32(raw); valueBefore = uint32(raw >> 32); effect = uint48(raw >> 64); return (valueBefore, valueAfter, effect); } /** * @dev pack the components into a Delay object. */ function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) { return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter)); } }
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity ^0.8.0; import { IUniswapV2Pair } from "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol"; /// @dev Fraxswap LP Pair Interface interface IFraxswapPair is IUniswapV2Pair { // TWAMM struct TWAPObservation { uint256 timestamp; uint256 price0CumulativeLast; uint256 price1CumulativeLast; } function TWAPObservationHistory(uint256 index) external view returns (TWAPObservation memory); event LongTermSwap0To1(address indexed addr, uint256 orderId, uint256 amount0In, uint256 numberOfTimeIntervals); event LongTermSwap1To0(address indexed addr, uint256 orderId, uint256 amount1In, uint256 numberOfTimeIntervals); event CancelLongTermOrder( address indexed addr, uint256 orderId, address sellToken, uint256 unsoldAmount, address buyToken, uint256 purchasedAmount ); event WithdrawProceedsFromLongTermOrder( address indexed addr, uint256 orderId, address indexed proceedToken, uint256 proceeds, bool orderExpired ); function fee() external view returns (uint256); function longTermSwapFrom0To1(uint256 amount0In, uint256 numberOfTimeIntervals) external returns (uint256 orderId); function longTermSwapFrom1To0(uint256 amount1In, uint256 numberOfTimeIntervals) external returns (uint256 orderId); function cancelLongTermSwap(uint256 orderId) external; function withdrawProceedsFromLongTermSwap( uint256 orderId ) external returns (bool is_expired, address rewardTkn, uint256 totalReward); function executeVirtualOrders(uint256 blockTimestamp) external; function getAmountOut(uint256 amountIn, address tokenIn) external view returns (uint256); function getAmountIn(uint256 amountOut, address tokenOut) external view returns (uint256); function orderTimeInterval() external returns (uint256); function getTWAPHistoryLength() external view returns (uint256); function getTwammReserves() external view returns ( uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast, uint112 _twammReserve0, uint112 _twammReserve1, uint256 _fee ); function getReserveAfterTwamm( uint256 blockTimestamp ) external view returns ( uint112 _reserve0, uint112 _reserve1, uint256 lastVirtualOrderTimestamp, uint112 _twammReserve0, uint112 _twammReserve1 ); function getNextOrderID() external view returns (uint256); function getOrderIDsForUser(address user) external view returns (uint256[] memory); function getOrderIDsForUserLength(address user) external view returns (uint256); function twammUpToDate() external view returns (bool); function getTwammState() external view returns ( uint256 token0Rate, uint256 token1Rate, uint256 lastVirtualOrderTimestamp, uint256 orderTimeInterval_rtn, uint256 rewardFactorPool0, uint256 rewardFactorPool1 ); function getTwammSalesRateEnding( uint256 _blockTimestamp ) external view returns (uint256 orderPool0SalesRateEnding, uint256 orderPool1SalesRateEnding); function getTwammRewardFactor( uint256 _blockTimestamp ) external view returns (uint256 rewardFactorPool0AtTimestamp, uint256 rewardFactorPool1AtTimestamp); function getTwammOrder( uint256 orderId ) external view returns ( uint256 id, uint256 creationTimestamp, uint256 expirationTimestamp, uint256 saleRate, address owner, address sellTokenAddr, address buyTokenAddr ); function getTwammOrderProceedsView( uint256 orderId, uint256 blockTimestamp ) external view returns (bool orderExpired, uint256 totalReward); function getTwammOrderProceeds(uint256 orderId) external returns (bool orderExpired, uint256 totalReward); function togglePauseNewSwaps() external; }
pragma solidity ^0.8.0; import { IUniswapV2Factory } from "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol"; interface IFraxswapFactory is IUniswapV2Factory { function createPair(address tokenA, address tokenB, uint256 fee) external returns (address pair); function globalPause() external view returns (bool); function toggleGlobalPause() external; }
// SPDX-Licence-Identifier: MIT pragma solidity ^0.8.0; // a library for performing various math operations library Math { function min(uint256 x, uint256 y) internal pure returns (uint256 z) { z = x < y ? x : y; } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint256 y) internal pure returns (uint256 z) { if (y > 3) { z = y; uint256 x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } }
// SPDX-License-Identifier: ISC pragma solidity >=0.8.25; import { IERC20 } from "@openzeppelin/contracts/interfaces/IERC20.sol"; import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; import { ReentrancyGuard } from "@openzeppelin/contracts/utils/ReentrancyGuard.sol"; import { LiquidityManager } from "./LiquidityManager.sol"; ////////////////////////////////////////////////////////////////////////////// // // // 888 e88 88e e Y8b d8 // // 888 d888 888b d8b Y8b e88 888 ,e e, 888 8e d88 dP"Y // // 888 C8888 8888D d888b Y8b d888 888 d88 88b 888 88b d88888 C88b // // 888 Y888 888P d888888888b Y888 888 888 , 888 888 888 Y88D // // 888 "88 88" d8888888b Y8b "88 888 "YeeP" 888 888 888 d,dP // // b , 88P // // 8b, "8",P" // ////////////////////////////////////////////////////////////////////////////// /** * @title BootstrapPool * @dev BootstrapPool contract, the initial liquidity pool for the agent token */ contract BootstrapPool is ReentrancyGuard { using SafeERC20 for IERC20; // The owner of the pool address public immutable owner; // The swap fee of the pool uint256 public immutable fee; // The agent token IERC20 public immutable agentToken; // The currency token IERC20 public immutable currencyToken; // The phantom amount. uint256 public phantomAmount; // The currency token fee earned uint256 public currencyTokenFeeEarned; // The agent token fee earned uint256 public agentTokenFeeEarned; // The killed status of the pool bool public killed; modifier notKilled() { if (killed) revert BootstrapPoolKilled(); _; } modifier onlyOwner() { if (msg.sender != owner) revert NotOwner(); _; } /// @dev Constructor /// @param _currencyToken The currency token /// @param _agentToken The agent token /// @param _initialPrice The initial price of the agent token /// @param _bootstrapAmount The bootstrap amount of the agent token /// @param _fee The swap fee of the pool constructor( IERC20 _currencyToken, IERC20 _agentToken, uint256 _initialPrice, uint256 _bootstrapAmount, uint256 _fee ) { owner = msg.sender; fee = 10_000 - _fee; currencyToken = _currencyToken; agentToken = _agentToken; phantomAmount = _initialPrice * _bootstrapAmount / 1e18; } /// @dev Buy agent token /// @param _amountIn The amount of currency token to spend /// @return The amount of agent token received function buy(uint256 _amountIn) external returns (uint256) { return buy(_amountIn, msg.sender); } /// @dev Buy agent token /// @param _amountIn The amount of currency token to spend /// @param _recipient The recipient of the agent token /// @return The amount of agent token received function buy(uint256 _amountIn, address _recipient) public nonReentrant notKilled returns (uint256) { uint256 _amountOut = getAmountOut(_amountIn, address(currencyToken)); currencyTokenFeeEarned += _amountIn - (_amountIn * fee) / 10_000; currencyToken.safeTransferFrom(msg.sender, address(this), _amountIn); agentToken.safeTransfer(_recipient, _amountOut); emit Swap(msg.sender, _amountIn, 0, 0, _amountOut, _recipient); return _amountOut; } /// @dev Sell agent token /// @param _amountIn The amount of agent token to sell /// @return The amount of currency token received function sell(uint256 _amountIn) external returns (uint256) { return sell(_amountIn, msg.sender); } /// @dev Sell agent token /// @param _amountIn The amount of agent token to sell /// @param _recipient The recipient of the currency token /// @return The amount of currency token received function sell(uint256 _amountIn, address _recipient) public nonReentrant notKilled returns (uint256) { uint256 _amountOut = getAmountOut(_amountIn, address(agentToken)); agentTokenFeeEarned += _amountIn - (_amountIn * fee) / 10_000; agentToken.safeTransferFrom(msg.sender, address(this), _amountIn); currencyToken.safeTransfer(_recipient, _amountOut); require(currencyToken.balanceOf(address(this)) >= currencyTokenFeeEarned, "INSUFFICIENT_LIQUIDITY"); emit Swap(msg.sender, 0, _amountIn, _amountOut, 0, _recipient); return _amountOut; } /// @dev Kill the pool function kill() external nonReentrant onlyOwner { _sweepFees(); killed = true; agentToken.safeTransfer(owner, agentToken.balanceOf(address(this))); currencyToken.safeTransfer(owner, currencyToken.balanceOf(address(this))); } /// @dev Get the price of the agent token in currency token /// @return _price The price of the agent token in currency token function getPrice() external view notKilled returns (uint256 _price) { (uint256 _reserveCurrencyToken, uint256 _reserveAgentToken) = getReserves(); _price = _reserveCurrencyToken * 1e18 / _reserveAgentToken; } /// @dev Get the reserves of the pool /// @return _reserveCurrencyToken The reserves of currency token in the pool /// @return _reserveAgentToken The reserves of agent token in the pool function getReserves() public view returns (uint256 _reserveCurrencyToken, uint256 _reserveAgentToken) { _reserveCurrencyToken = phantomAmount + currencyToken.balanceOf(address(this)) - currencyTokenFeeEarned; _reserveAgentToken = agentToken.balanceOf(address(this)) - agentTokenFeeEarned; } /// @dev Get the amount of tokens received for a given amount of tokens /// @param _amountIn The amount of tokens spent /// @param _tokenIn The address of the token spent /// @return _amountOut The amount of tokens received function getAmountOut(uint256 _amountIn, address _tokenIn) public view notKilled returns (uint256 _amountOut) { uint256 _reserveIn; uint256 _reserveOut; if (_tokenIn == address(currencyToken)) { (_reserveIn, _reserveOut) = getReserves(); } else if (_tokenIn == address(agentToken)) { (_reserveOut, _reserveIn) = getReserves(); } require(_amountIn > 0 && _reserveIn > 0 && _reserveOut > 0); // INSUFFICIENT_INPUT_AMOUNT/INSUFFICIENT_LIQUIDITY uint256 _amountInWithFee = _amountIn * fee; uint256 _numerator = _amountInWithFee * _reserveOut; uint256 _denominator = (_reserveIn * 10_000) + _amountInWithFee; _amountOut = _numerator / _denominator; } /// @dev Get the amount of tokens spent for a given amount of tokens received /// @param _amountOut The amount of tokens received /// @param _tokenOut The address of the token received /// @return _amountIn The amount of tokens spent function getAmountIn(uint256 _amountOut, address _tokenOut) public view notKilled returns (uint256 _amountIn) { uint256 _reserveIn; uint256 _reserveOut; if (_tokenOut == address(agentToken)) { (_reserveIn, _reserveOut) = getReserves(); } else if (_tokenOut == address(currencyToken)) { (_reserveOut, _reserveIn) = getReserves(); } require(_amountOut > 0 && _reserveIn > 0 && _reserveOut > 0); //INSUFFICIENT_INPUT_AMOUNT/INSUFFICIENT_LIQUIDITY uint256 _numerator = _amountOut * _reserveIn * 10_000; uint256 _denominator = (_reserveOut - _amountOut) * fee; _amountIn = _numerator / _denominator; } /// @dev Get the maximum amount of tokens that can be swapped /// @param _tokenIn The address of the token spent /// @return _amountIn The maximum amount of tokens that can be swapped function maxSwapAmount(address _tokenIn) public view returns (uint256 _amountIn) { if (_tokenIn == address(currencyToken)) { _amountIn = type(uint256).max; } else if (_tokenIn == address(agentToken)) { _amountIn = getAmountIn(currencyToken.balanceOf(address(this)) - currencyTokenFeeEarned, address(currencyToken)); } } /// @dev Sweep the fees to liquidity manager owner function sweepFees() public nonReentrant { _sweepFees(); } /// @dev Internal function to sweep the fees function _sweepFees() internal { address feeTo = LiquidityManager(owner).owner(); currencyToken.safeTransfer(feeTo, currencyTokenFeeEarned); agentToken.safeTransfer(feeTo, agentTokenFeeEarned); currencyTokenFeeEarned = 0; agentTokenFeeEarned = 0; } /// @dev Returns the currency token address function token0() external view returns (address) { return address(currencyToken); } /// @dev Returns the agent token address function token1() external view returns (address) { return address(agentToken); } error BootstrapPoolKilled(); error NotOwner(); /// @notice Emitted when there is a swap in the pool /// @param sender The `msg.sender` of the call /// @param amount0In The amount of `currencyToken` in /// @param amount1In The amount of `AIToken` in /// @param amount0Out The amount of `currencyToken` out /// @param amount1Out The amount of `AIToken` out /// @param to The designated recipient of the swap event Swap( address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to ); }
// SPDX-License-Identifier: ISC pragma solidity ^0.8.25; /** * @title IBAMMFactory * @dev Minimal interface for the IBAMMFactory contract */ interface IBAMMFactory { function pairToBamm(address pair) external view returns (address); function createBamm(address pair) external returns (address); }
// SPDX-License-Identifier: ISC pragma solidity ^0.8.25; /** * @title IBAMM * @dev Minimal interface for the BAMM contract */ interface IBAMM { function mint(address to, uint256 lpIn) external returns (uint256 bammOut); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "../utils/introspection/IERC165.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.20; import {IERC721} from "./IERC721.sol"; import {IERC721Metadata} from "./extensions/IERC721Metadata.sol"; import {ERC721Utils} from "./utils/ERC721Utils.sol"; import {Context} from "../../utils/Context.sol"; import {Strings} from "../../utils/Strings.sol"; import {IERC165, ERC165} from "../../utils/introspection/ERC165.sol"; import {IERC721Errors} from "../../interfaces/draft-IERC6093.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC-721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ abstract contract ERC721 is Context, ERC165, IERC721, IERC721Metadata, IERC721Errors { using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; mapping(uint256 tokenId => address) private _owners; mapping(address owner => uint256) private _balances; mapping(uint256 tokenId => address) private _tokenApprovals; mapping(address owner => mapping(address operator => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual returns (uint256) { if (owner == address(0)) { revert ERC721InvalidOwner(address(0)); } return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual returns (address) { return _requireOwned(tokenId); } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual returns (string memory) { _requireOwned(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string.concat(baseURI, tokenId.toString()) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual { _approve(to, tokenId, _msgSender()); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual returns (address) { _requireOwned(tokenId); return _getApproved(tokenId); } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom(address from, address to, uint256 tokenId) public virtual { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here. address previousOwner = _update(to, tokenId, _msgSender()); if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId) public { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory data) public virtual { transferFrom(from, to, tokenId); ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data); } /** * @dev Returns the owner of the `tokenId`. Does NOT revert if token doesn't exist * * IMPORTANT: Any overrides to this function that add ownership of tokens not tracked by the * core ERC-721 logic MUST be matched with the use of {_increaseBalance} to keep balances * consistent with ownership. The invariant to preserve is that for any address `a` the value returned by * `balanceOf(a)` must be equal to the number of tokens such that `_ownerOf(tokenId)` is `a`. */ function _ownerOf(uint256 tokenId) internal view virtual returns (address) { return _owners[tokenId]; } /** * @dev Returns the approved address for `tokenId`. Returns 0 if `tokenId` is not minted. */ function _getApproved(uint256 tokenId) internal view virtual returns (address) { return _tokenApprovals[tokenId]; } /** * @dev Returns whether `spender` is allowed to manage `owner`'s tokens, or `tokenId` in * particular (ignoring whether it is owned by `owner`). * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _isAuthorized(address owner, address spender, uint256 tokenId) internal view virtual returns (bool) { return spender != address(0) && (owner == spender || isApprovedForAll(owner, spender) || _getApproved(tokenId) == spender); } /** * @dev Checks if `spender` can operate on `tokenId`, assuming the provided `owner` is the actual owner. * Reverts if: * - `spender` does not have approval from `owner` for `tokenId`. * - `spender` does not have approval to manage all of `owner`'s assets. * * WARNING: This function assumes that `owner` is the actual owner of `tokenId` and does not verify this * assumption. */ function _checkAuthorized(address owner, address spender, uint256 tokenId) internal view virtual { if (!_isAuthorized(owner, spender, tokenId)) { if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } else { revert ERC721InsufficientApproval(spender, tokenId); } } } /** * @dev Unsafe write access to the balances, used by extensions that "mint" tokens using an {ownerOf} override. * * NOTE: the value is limited to type(uint128).max. This protect against _balance overflow. It is unrealistic that * a uint256 would ever overflow from increments when these increments are bounded to uint128 values. * * WARNING: Increasing an account's balance using this function tends to be paired with an override of the * {_ownerOf} function to resolve the ownership of the corresponding tokens so that balances and ownership * remain consistent with one another. */ function _increaseBalance(address account, uint128 value) internal virtual { unchecked { _balances[account] += value; } } /** * @dev Transfers `tokenId` from its current owner to `to`, or alternatively mints (or burns) if the current owner * (or `to`) is the zero address. Returns the owner of the `tokenId` before the update. * * The `auth` argument is optional. If the value passed is non 0, then this function will check that * `auth` is either the owner of the token, or approved to operate on the token (by the owner). * * Emits a {Transfer} event. * * NOTE: If overriding this function in a way that tracks balances, see also {_increaseBalance}. */ function _update(address to, uint256 tokenId, address auth) internal virtual returns (address) { address from = _ownerOf(tokenId); // Perform (optional) operator check if (auth != address(0)) { _checkAuthorized(from, auth, tokenId); } // Execute the update if (from != address(0)) { // Clear approval. No need to re-authorize or emit the Approval event _approve(address(0), tokenId, address(0), false); unchecked { _balances[from] -= 1; } } if (to != address(0)) { unchecked { _balances[to] += 1; } } _owners[tokenId] = to; emit Transfer(from, to, tokenId); return from; } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner != address(0)) { revert ERC721InvalidSender(address(0)); } } /** * @dev Mints `tokenId`, transfers it to `to` and checks for `to` acceptance. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint(address to, uint256 tokenId, bytes memory data) internal virtual { _mint(to, tokenId); ERC721Utils.checkOnERC721Received(_msgSender(), address(0), to, tokenId, data); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * This is an internal function that does not check if the sender is authorized to operate on the token. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal { address previousOwner = _update(address(0), tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer(address from, address to, uint256 tokenId) internal { if (to == address(0)) { revert ERC721InvalidReceiver(address(0)); } address previousOwner = _update(to, tokenId, address(0)); if (previousOwner == address(0)) { revert ERC721NonexistentToken(tokenId); } else if (previousOwner != from) { revert ERC721IncorrectOwner(from, tokenId, previousOwner); } } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking that contract recipients * are aware of the ERC-721 standard to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is like {safeTransferFrom} in the sense that it invokes * {IERC721Receiver-onERC721Received} on the receiver, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `tokenId` token must exist and be owned by `from`. * - `to` cannot be the zero address. * - `from` cannot be the zero address. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer(address from, address to, uint256 tokenId) internal { _safeTransfer(from, to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeTransfer-address-address-uint256-}[`_safeTransfer`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeTransfer(address from, address to, uint256 tokenId, bytes memory data) internal virtual { _transfer(from, to, tokenId); ERC721Utils.checkOnERC721Received(_msgSender(), from, to, tokenId, data); } /** * @dev Approve `to` to operate on `tokenId` * * The `auth` argument is optional. If the value passed is non 0, then this function will check that `auth` is * either the owner of the token, or approved to operate on all tokens held by this owner. * * Emits an {Approval} event. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address to, uint256 tokenId, address auth) internal { _approve(to, tokenId, auth, true); } /** * @dev Variant of `_approve` with an optional flag to enable or disable the {Approval} event. The event is not * emitted in the context of transfers. */ function _approve(address to, uint256 tokenId, address auth, bool emitEvent) internal virtual { // Avoid reading the owner unless necessary if (emitEvent || auth != address(0)) { address owner = _requireOwned(tokenId); // We do not use _isAuthorized because single-token approvals should not be able to call approve if (auth != address(0) && owner != auth && !isApprovedForAll(owner, auth)) { revert ERC721InvalidApprover(auth); } if (emitEvent) { emit Approval(owner, to, tokenId); } } _tokenApprovals[tokenId] = to; } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Requirements: * - operator can't be the address zero. * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll(address owner, address operator, bool approved) internal virtual { if (operator == address(0)) { revert ERC721InvalidOperator(operator); } _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` doesn't have a current owner (it hasn't been minted, or it has been burned). * Returns the owner. * * Overrides to ownership logic should be done to {_ownerOf}. */ function _requireOwned(uint256 tokenId) internal view returns (address) { address owner = _ownerOf(tokenId); if (owner == address(0)) { revert ERC721NonexistentToken(tokenId); } return owner; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SafeCast} from "./math/SafeCast.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { using SafeCast for *; bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev The string being parsed contains characters that are not in scope of the given base. */ error StringsInvalidChar(); /** * @dev The string being parsed is not a properly formatted address. */ error StringsInvalidAddressFormat(); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; assembly ("memory-safe") { ptr := add(buffer, add(32, length)) } while (true) { ptr--; assembly ("memory-safe") { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Converts an `address` with fixed length of 20 bytes to its checksummed ASCII `string` hexadecimal * representation, according to EIP-55. */ function toChecksumHexString(address addr) internal pure returns (string memory) { bytes memory buffer = bytes(toHexString(addr)); // hash the hex part of buffer (skip length + 2 bytes, length 40) uint256 hashValue; assembly ("memory-safe") { hashValue := shr(96, keccak256(add(buffer, 0x22), 40)) } for (uint256 i = 41; i > 1; --i) { // possible values for buffer[i] are 48 (0) to 57 (9) and 97 (a) to 102 (f) if (hashValue & 0xf > 7 && uint8(buffer[i]) > 96) { // case shift by xoring with 0x20 buffer[i] ^= 0x20; } hashValue >>= 4; } return string(buffer); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } /** * @dev Parse a decimal string and returns the value as a `uint256`. * * Requirements: * - The string must be formatted as `[0-9]*` * - The result must fit into an `uint256` type */ function parseUint(string memory input) internal pure returns (uint256) { return parseUint(input, 0, bytes(input).length); } /** * @dev Variant of {parseUint} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `[0-9]*` * - The result must fit into an `uint256` type */ function parseUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) { (bool success, uint256 value) = tryParseUint(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseUint-string} that returns false if the parsing fails because of an invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseUint(string memory input) internal pure returns (bool success, uint256 value) { return _tryParseUintUncheckedBounds(input, 0, bytes(input).length); } /** * @dev Variant of {parseUint-string-uint256-uint256} that returns false if the parsing fails because of an invalid * character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseUint( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, uint256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseUintUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseUint} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseUintUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, uint256 value) { bytes memory buffer = bytes(input); uint256 result = 0; for (uint256 i = begin; i < end; ++i) { uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i))); if (chr > 9) return (false, 0); result *= 10; result += chr; } return (true, result); } /** * @dev Parse a decimal string and returns the value as a `int256`. * * Requirements: * - The string must be formatted as `[-+]?[0-9]*` * - The result must fit in an `int256` type. */ function parseInt(string memory input) internal pure returns (int256) { return parseInt(input, 0, bytes(input).length); } /** * @dev Variant of {parseInt-string} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `[-+]?[0-9]*` * - The result must fit in an `int256` type. */ function parseInt(string memory input, uint256 begin, uint256 end) internal pure returns (int256) { (bool success, int256 value) = tryParseInt(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseInt-string} that returns false if the parsing fails because of an invalid character or if * the result does not fit in a `int256`. * * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`. */ function tryParseInt(string memory input) internal pure returns (bool success, int256 value) { return _tryParseIntUncheckedBounds(input, 0, bytes(input).length); } uint256 private constant ABS_MIN_INT256 = 2 ** 255; /** * @dev Variant of {parseInt-string-uint256-uint256} that returns false if the parsing fails because of an invalid * character or if the result does not fit in a `int256`. * * NOTE: This function will revert if the absolute value of the result does not fit in a `uint256`. */ function tryParseInt( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, int256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseIntUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseInt} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseIntUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, int256 value) { bytes memory buffer = bytes(input); // Check presence of a negative sign. bytes1 sign = begin == end ? bytes1(0) : bytes1(_unsafeReadBytesOffset(buffer, begin)); // don't do out-of-bound (possibly unsafe) read if sub-string is empty bool positiveSign = sign == bytes1("+"); bool negativeSign = sign == bytes1("-"); uint256 offset = (positiveSign || negativeSign).toUint(); (bool absSuccess, uint256 absValue) = tryParseUint(input, begin + offset, end); if (absSuccess && absValue < ABS_MIN_INT256) { return (true, negativeSign ? -int256(absValue) : int256(absValue)); } else if (absSuccess && negativeSign && absValue == ABS_MIN_INT256) { return (true, type(int256).min); } else return (false, 0); } /** * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as a `uint256`. * * Requirements: * - The string must be formatted as `(0x)?[0-9a-fA-F]*` * - The result must fit in an `uint256` type. */ function parseHexUint(string memory input) internal pure returns (uint256) { return parseHexUint(input, 0, bytes(input).length); } /** * @dev Variant of {parseHexUint} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `(0x)?[0-9a-fA-F]*` * - The result must fit in an `uint256` type. */ function parseHexUint(string memory input, uint256 begin, uint256 end) internal pure returns (uint256) { (bool success, uint256 value) = tryParseHexUint(input, begin, end); if (!success) revert StringsInvalidChar(); return value; } /** * @dev Variant of {parseHexUint-string} that returns false if the parsing fails because of an invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseHexUint(string memory input) internal pure returns (bool success, uint256 value) { return _tryParseHexUintUncheckedBounds(input, 0, bytes(input).length); } /** * @dev Variant of {parseHexUint-string-uint256-uint256} that returns false if the parsing fails because of an * invalid character. * * NOTE: This function will revert if the result does not fit in a `uint256`. */ function tryParseHexUint( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, uint256 value) { if (end > bytes(input).length || begin > end) return (false, 0); return _tryParseHexUintUncheckedBounds(input, begin, end); } /** * @dev Implementation of {tryParseHexUint} that does not check bounds. Caller should make sure that * `begin <= end <= input.length`. Other inputs would result in undefined behavior. */ function _tryParseHexUintUncheckedBounds( string memory input, uint256 begin, uint256 end ) private pure returns (bool success, uint256 value) { bytes memory buffer = bytes(input); // skip 0x prefix if present bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(buffer, begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty uint256 offset = hasPrefix.toUint() * 2; uint256 result = 0; for (uint256 i = begin + offset; i < end; ++i) { uint8 chr = _tryParseChr(bytes1(_unsafeReadBytesOffset(buffer, i))); if (chr > 15) return (false, 0); result *= 16; unchecked { // Multiplying by 16 is equivalent to a shift of 4 bits (with additional overflow check). // This guaratees that adding a value < 16 will not cause an overflow, hence the unchecked. result += chr; } } return (true, result); } /** * @dev Parse a hexadecimal string (with or without "0x" prefix), and returns the value as an `address`. * * Requirements: * - The string must be formatted as `(0x)?[0-9a-fA-F]{40}` */ function parseAddress(string memory input) internal pure returns (address) { return parseAddress(input, 0, bytes(input).length); } /** * @dev Variant of {parseAddress} that parses a substring of `input` located between position `begin` (included) and * `end` (excluded). * * Requirements: * - The substring must be formatted as `(0x)?[0-9a-fA-F]{40}` */ function parseAddress(string memory input, uint256 begin, uint256 end) internal pure returns (address) { (bool success, address value) = tryParseAddress(input, begin, end); if (!success) revert StringsInvalidAddressFormat(); return value; } /** * @dev Variant of {parseAddress-string} that returns false if the parsing fails because the input is not a properly * formatted address. See {parseAddress} requirements. */ function tryParseAddress(string memory input) internal pure returns (bool success, address value) { return tryParseAddress(input, 0, bytes(input).length); } /** * @dev Variant of {parseAddress-string-uint256-uint256} that returns false if the parsing fails because input is not a properly * formatted address. See {parseAddress} requirements. */ function tryParseAddress( string memory input, uint256 begin, uint256 end ) internal pure returns (bool success, address value) { if (end > bytes(input).length || begin > end) return (false, address(0)); bool hasPrefix = (end > begin + 1) && bytes2(_unsafeReadBytesOffset(bytes(input), begin)) == bytes2("0x"); // don't do out-of-bound (possibly unsafe) read if sub-string is empty uint256 expectedLength = 40 + hasPrefix.toUint() * 2; // check that input is the correct length if (end - begin == expectedLength) { // length guarantees that this does not overflow, and value is at most type(uint160).max (bool s, uint256 v) = _tryParseHexUintUncheckedBounds(input, begin, end); return (s, address(uint160(v))); } else { return (false, address(0)); } } function _tryParseChr(bytes1 chr) private pure returns (uint8) { uint8 value = uint8(chr); // Try to parse `chr`: // - Case 1: [0-9] // - Case 2: [a-f] // - Case 3: [A-F] // - otherwise not supported unchecked { if (value > 47 && value < 58) value -= 48; else if (value > 96 && value < 103) value -= 87; else if (value > 64 && value < 71) value -= 55; else return type(uint8).max; } return value; } /** * @dev Reads a bytes32 from a bytes array without bounds checking. * * NOTE: making this function internal would mean it could be used with memory unsafe offset, and marking the * assembly block as such would prevent some optimizations. */ function _unsafeReadBytesOffset(bytes memory buffer, uint256 offset) private pure returns (bytes32 value) { // This is not memory safe in the general case, but all calls to this private function are within bounds. assembly ("memory-safe") { value := mload(add(buffer, add(0x20, offset))) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC4906.sol) pragma solidity ^0.8.20; import {IERC165} from "./IERC165.sol"; import {IERC721} from "./IERC721.sol"; /// @title ERC-721 Metadata Update Extension interface IERC4906 is IERC165, IERC721 { /// @dev This event emits when the metadata of a token is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFT. event MetadataUpdate(uint256 _tokenId); /// @dev This event emits when the metadata of a range of tokens is changed. /// So that the third-party platforms such as NFT market could /// timely update the images and related attributes of the NFTs. event BatchMetadataUpdate(uint256 _fromTokenId, uint256 _toTokenId); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[ERC-2612]. * * Adds the {permit} method, which can be used to change an account's ERC-20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "./IERC20.sol"; import {IERC20Metadata} from "./extensions/IERC20Metadata.sol"; import {Context} from "../../utils/Context.sol"; import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * The default value of {decimals} is 18. To change this, you should override * this function so it returns a different value. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC-20 * applications. */ abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping(address account => uint256) private _balances; mapping(address account => mapping(address spender => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the default value returned by this function, unless * it's overridden. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `value`. */ function transfer(address to, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _transfer(owner, to, value); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, value); return true; } /** * @dev See {IERC20-transferFrom}. * * Skips emitting an {Approval} event indicating an allowance update. This is not * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve]. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `value`. * - the caller must have allowance for ``from``'s tokens of at least * `value`. */ function transferFrom(address from, address to, uint256 value) public virtual returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, value); _transfer(from, to, value); return true; } /** * @dev Moves a `value` amount of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _transfer(address from, address to, uint256 value) internal { if (from == address(0)) { revert ERC20InvalidSender(address(0)); } if (to == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(from, to, value); } /** * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from` * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding * this function. * * Emits a {Transfer} event. */ function _update(address from, address to, uint256 value) internal virtual { if (from == address(0)) { // Overflow check required: The rest of the code assumes that totalSupply never overflows _totalSupply += value; } else { uint256 fromBalance = _balances[from]; if (fromBalance < value) { revert ERC20InsufficientBalance(from, fromBalance, value); } unchecked { // Overflow not possible: value <= fromBalance <= totalSupply. _balances[from] = fromBalance - value; } } if (to == address(0)) { unchecked { // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply. _totalSupply -= value; } } else { unchecked { // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256. _balances[to] += value; } } emit Transfer(from, to, value); } /** * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0). * Relies on the `_update` mechanism * * Emits a {Transfer} event with `from` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _mint(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(address(0), account, value); } /** * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply. * Relies on the `_update` mechanism. * * Emits a {Transfer} event with `to` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead */ function _burn(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidSender(address(0)); } _update(account, address(0), value); } /** * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address owner, address spender, uint256 value) internal { _approve(owner, spender, value, true); } /** * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event. * * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any * `Approval` event during `transferFrom` operations. * * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to * true using the following override: * * ```solidity * function _approve(address owner, address spender, uint256 value, bool) internal virtual override { * super._approve(owner, spender, value, true); * } * ``` * * Requirements are the same as {_approve}. */ function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual { if (owner == address(0)) { revert ERC20InvalidApprover(address(0)); } if (spender == address(0)) { revert ERC20InvalidSpender(address(0)); } _allowances[owner][spender] = value; if (emitEvent) { emit Approval(owner, spender, value); } } /** * @dev Updates `owner` s allowance for `spender` based on spent `value`. * * Does not update the allowance value in case of infinite allowance. * Revert if not enough allowance is available. * * Does not emit an {Approval} event. */ function _spendAllowance(address owner, address spender, uint256 value) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance < type(uint256).max) { if (currentAllowance < value) { revert ERC20InsufficientAllowance(spender, currentAllowance, value); } unchecked { _approve(owner, spender, currentAllowance - value, false); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.20; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS } /** * @dev The signature derives the `address(0)`. */ error ECDSAInvalidSignature(); /** * @dev The signature has an invalid length. */ error ECDSAInvalidSignatureLength(uint256 length); /** * @dev The signature has an S value that is in the upper half order. */ error ECDSAInvalidSignatureS(bytes32 s); /** * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not * return address(0) without also returning an error description. Errors are documented using an enum (error type) * and a bytes32 providing additional information about the error. * * If no error is returned, then the address can be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] */ function tryRecover( bytes32 hash, bytes memory signature ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. assembly ("memory-safe") { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[ERC-2098 short signatures] */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { unchecked { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); // We do not check for an overflow here since the shift operation results in 0 or 1. uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address recovered, RecoverError err, bytes32 errArg) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS, s); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature, bytes32(0)); } return (signer, RecoverError.NoError, bytes32(0)); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s); _throwError(error, errorArg); return recovered; } /** * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided. */ function _throwError(RecoverError error, bytes32 errorArg) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert ECDSAInvalidSignature(); } else if (error == RecoverError.InvalidSignatureLength) { revert ECDSAInvalidSignatureLength(uint256(errorArg)); } else if (error == RecoverError.InvalidSignatureS) { revert ECDSAInvalidSignatureS(errorArg); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.20; import {MessageHashUtils} from "./MessageHashUtils.sol"; import {ShortStrings, ShortString} from "../ShortStrings.sol"; import {IERC5267} from "../../interfaces/IERC5267.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP-712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP-712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * @custom:oz-upgrades-unsafe-allow state-variable-immutable */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _cachedDomainSeparator; uint256 private immutable _cachedChainId; address private immutable _cachedThis; bytes32 private immutable _hashedName; bytes32 private immutable _hashedVersion; ShortString private immutable _name; ShortString private immutable _version; string private _nameFallback; string private _versionFallback; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP-712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { _name = name.toShortStringWithFallback(_nameFallback); _version = version.toShortStringWithFallback(_versionFallback); _hashedName = keccak256(bytes(name)); _hashedVersion = keccak256(bytes(version)); _cachedChainId = block.chainid; _cachedDomainSeparator = _buildDomainSeparator(); _cachedThis = address(this); } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _cachedThis && block.chainid == _cachedChainId) { return _cachedDomainSeparator; } else { return _buildDomainSeparator(); } } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {IERC-5267}. */ function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { return ( hex"0f", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: By default this function reads _name which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Name() internal view returns (string memory) { return _name.toStringWithFallback(_nameFallback); } /** * @dev The version parameter for the EIP712 domain. * * NOTE: By default this function reads _version which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Version() internal view returns (string memory) { return _version.toStringWithFallback(_versionFallback); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.2.0) (governance/utils/Votes.sol) pragma solidity ^0.8.20; import {IERC5805} from "../../interfaces/IERC5805.sol"; import {Context} from "../../utils/Context.sol"; import {Nonces} from "../../utils/Nonces.sol"; import {EIP712} from "../../utils/cryptography/EIP712.sol"; import {Checkpoints} from "../../utils/structs/Checkpoints.sol"; import {SafeCast} from "../../utils/math/SafeCast.sol"; import {ECDSA} from "../../utils/cryptography/ECDSA.sol"; import {Time} from "../../utils/types/Time.sol"; /** * @dev This is a base abstract contract that tracks voting units, which are a measure of voting power that can be * transferred, and provides a system of vote delegation, where an account can delegate its voting units to a sort of * "representative" that will pool delegated voting units from different accounts and can then use it to vote in * decisions. In fact, voting units _must_ be delegated in order to count as actual votes, and an account has to * delegate those votes to itself if it wishes to participate in decisions and does not have a trusted representative. * * This contract is often combined with a token contract such that voting units correspond to token units. For an * example, see {ERC721Votes}. * * The full history of delegate votes is tracked on-chain so that governance protocols can consider votes as distributed * at a particular block number to protect against flash loans and double voting. The opt-in delegate system makes the * cost of this history tracking optional. * * When using this module the derived contract must implement {_getVotingUnits} (for example, make it return * {ERC721-balanceOf}), and can use {_transferVotingUnits} to track a change in the distribution of those units (in the * previous example, it would be included in {ERC721-_update}). */ abstract contract Votes is Context, EIP712, Nonces, IERC5805 { using Checkpoints for Checkpoints.Trace208; bytes32 private constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); mapping(address account => address) private _delegatee; mapping(address delegatee => Checkpoints.Trace208) private _delegateCheckpoints; Checkpoints.Trace208 private _totalCheckpoints; /** * @dev The clock was incorrectly modified. */ error ERC6372InconsistentClock(); /** * @dev Lookup to future votes is not available. */ error ERC5805FutureLookup(uint256 timepoint, uint48 clock); /** * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based * checkpoints (and voting), in which case {CLOCK_MODE} should be overridden as well to match. */ function clock() public view virtual returns (uint48) { return Time.blockNumber(); } /** * @dev Machine-readable description of the clock as specified in ERC-6372. */ // solhint-disable-next-line func-name-mixedcase function CLOCK_MODE() public view virtual returns (string memory) { // Check that the clock was not modified if (clock() != Time.blockNumber()) { revert ERC6372InconsistentClock(); } return "mode=blocknumber&from=default"; } /** * @dev Validate that a timepoint is in the past, and return it as a uint48. */ function _validateTimepoint(uint256 timepoint) internal view returns (uint48) { uint48 currentTimepoint = clock(); if (timepoint >= currentTimepoint) revert ERC5805FutureLookup(timepoint, currentTimepoint); return SafeCast.toUint48(timepoint); } /** * @dev Returns the current amount of votes that `account` has. */ function getVotes(address account) public view virtual returns (uint256) { return _delegateCheckpoints[account].latest(); } /** * @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * Requirements: * * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined. */ function getPastVotes(address account, uint256 timepoint) public view virtual returns (uint256) { return _delegateCheckpoints[account].upperLookupRecent(_validateTimepoint(timepoint)); } /** * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes. * Votes that have not been delegated are still part of total supply, even though they would not participate in a * vote. * * Requirements: * * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined. */ function getPastTotalSupply(uint256 timepoint) public view virtual returns (uint256) { return _totalCheckpoints.upperLookupRecent(_validateTimepoint(timepoint)); } /** * @dev Returns the current total supply of votes. */ function _getTotalSupply() internal view virtual returns (uint256) { return _totalCheckpoints.latest(); } /** * @dev Returns the delegate that `account` has chosen. */ function delegates(address account) public view virtual returns (address) { return _delegatee[account]; } /** * @dev Delegates votes from the sender to `delegatee`. */ function delegate(address delegatee) public virtual { address account = _msgSender(); _delegate(account, delegatee); } /** * @dev Delegates votes from signer to `delegatee`. */ function delegateBySig( address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s ) public virtual { if (block.timestamp > expiry) { revert VotesExpiredSignature(expiry); } address signer = ECDSA.recover( _hashTypedDataV4(keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry))), v, r, s ); _useCheckedNonce(signer, nonce); _delegate(signer, delegatee); } /** * @dev Delegate all of `account`'s voting units to `delegatee`. * * Emits events {IVotes-DelegateChanged} and {IVotes-DelegateVotesChanged}. */ function _delegate(address account, address delegatee) internal virtual { address oldDelegate = delegates(account); _delegatee[account] = delegatee; emit DelegateChanged(account, oldDelegate, delegatee); _moveDelegateVotes(oldDelegate, delegatee, _getVotingUnits(account)); } /** * @dev Transfers, mints, or burns voting units. To register a mint, `from` should be zero. To register a burn, `to` * should be zero. Total supply of voting units will be adjusted with mints and burns. */ function _transferVotingUnits(address from, address to, uint256 amount) internal virtual { if (from == address(0)) { _push(_totalCheckpoints, _add, SafeCast.toUint208(amount)); } if (to == address(0)) { _push(_totalCheckpoints, _subtract, SafeCast.toUint208(amount)); } _moveDelegateVotes(delegates(from), delegates(to), amount); } /** * @dev Moves delegated votes from one delegate to another. */ function _moveDelegateVotes(address from, address to, uint256 amount) internal virtual { if (from != to && amount > 0) { if (from != address(0)) { (uint256 oldValue, uint256 newValue) = _push( _delegateCheckpoints[from], _subtract, SafeCast.toUint208(amount) ); emit DelegateVotesChanged(from, oldValue, newValue); } if (to != address(0)) { (uint256 oldValue, uint256 newValue) = _push( _delegateCheckpoints[to], _add, SafeCast.toUint208(amount) ); emit DelegateVotesChanged(to, oldValue, newValue); } } } /** * @dev Get number of checkpoints for `account`. */ function _numCheckpoints(address account) internal view virtual returns (uint32) { return SafeCast.toUint32(_delegateCheckpoints[account].length()); } /** * @dev Get the `pos`-th checkpoint for `account`. */ function _checkpoints( address account, uint32 pos ) internal view virtual returns (Checkpoints.Checkpoint208 memory) { return _delegateCheckpoints[account].at(pos); } function _push( Checkpoints.Trace208 storage store, function(uint208, uint208) view returns (uint208) op, uint208 delta ) private returns (uint208 oldValue, uint208 newValue) { return store.push(clock(), op(store.latest(), delta)); } function _add(uint208 a, uint208 b) private pure returns (uint208) { return a + b; } function _subtract(uint208 a, uint208 b) private pure returns (uint208) { return a - b; } /** * @dev Must return the voting units held by an account. */ function _getVotingUnits(address) internal view virtual returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/structs/Checkpoints.sol) // This file was procedurally generated from scripts/generate/templates/Checkpoints.js. pragma solidity ^0.8.20; import {Math} from "../math/Math.sol"; /** * @dev This library defines the `Trace*` struct, for checkpointing values as they change at different points in * time, and later looking up past values by block number. See {Votes} as an example. * * To create a history of checkpoints define a variable type `Checkpoints.Trace*` in your contract, and store a new * checkpoint for the current transaction block using the {push} function. */ library Checkpoints { /** * @dev A value was attempted to be inserted on a past checkpoint. */ error CheckpointUnorderedInsertion(); struct Trace224 { Checkpoint224[] _checkpoints; } struct Checkpoint224 { uint32 _key; uint224 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace224 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint32).max` key set will disable the * library. */ function push( Trace224 storage self, uint32 key, uint224 value ) internal returns (uint224 oldValue, uint224 newValue) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace224 storage self) internal view returns (uint224) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace224 storage self) internal view returns (bool exists, uint32 _key, uint224 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint224 storage ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace224 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace224 storage self, uint32 pos) internal view returns (Checkpoint224 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert( Checkpoint224[] storage self, uint32 key, uint224 value ) private returns (uint224 oldValue, uint224 newValue) { uint256 pos = self.length; if (pos > 0) { Checkpoint224 storage last = _unsafeAccess(self, pos - 1); uint32 lastKey = last._key; uint224 lastValue = last._value; // Checkpoint keys must be non-decreasing. if (lastKey > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (lastKey == key) { last._value = value; } else { self.push(Checkpoint224({_key: key, _value: value})); } return (lastValue, value); } else { self.push(Checkpoint224({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the first (oldest) checkpoint with key strictly bigger than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key greater or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint224[] storage self, uint256 pos ) private pure returns (Checkpoint224 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace208 { Checkpoint208[] _checkpoints; } struct Checkpoint208 { uint48 _key; uint208 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace208 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint48).max` key set will disable the * library. */ function push( Trace208 storage self, uint48 key, uint208 value ) internal returns (uint208 oldValue, uint208 newValue) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace208 storage self) internal view returns (uint208) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace208 storage self) internal view returns (bool exists, uint48 _key, uint208 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint208 storage ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace208 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace208 storage self, uint32 pos) internal view returns (Checkpoint208 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert( Checkpoint208[] storage self, uint48 key, uint208 value ) private returns (uint208 oldValue, uint208 newValue) { uint256 pos = self.length; if (pos > 0) { Checkpoint208 storage last = _unsafeAccess(self, pos - 1); uint48 lastKey = last._key; uint208 lastValue = last._value; // Checkpoint keys must be non-decreasing. if (lastKey > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (lastKey == key) { last._value = value; } else { self.push(Checkpoint208({_key: key, _value: value})); } return (lastValue, value); } else { self.push(Checkpoint208({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the first (oldest) checkpoint with key strictly bigger than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key greater or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint208[] storage self, uint256 pos ) private pure returns (Checkpoint208 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace160 { Checkpoint160[] _checkpoints; } struct Checkpoint160 { uint96 _key; uint160 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace160 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint96).max` key set will disable the * library. */ function push( Trace160 storage self, uint96 key, uint160 value ) internal returns (uint160 oldValue, uint160 newValue) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace160 storage self) internal view returns (uint160) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace160 storage self) internal view returns (bool exists, uint96 _key, uint160 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint160 storage ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace160 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace160 storage self, uint32 pos) internal view returns (Checkpoint160 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert( Checkpoint160[] storage self, uint96 key, uint160 value ) private returns (uint160 oldValue, uint160 newValue) { uint256 pos = self.length; if (pos > 0) { Checkpoint160 storage last = _unsafeAccess(self, pos - 1); uint96 lastKey = last._key; uint160 lastValue = last._value; // Checkpoint keys must be non-decreasing. if (lastKey > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (lastKey == key) { last._value = value; } else { self.push(Checkpoint160({_key: key, _value: value})); } return (lastValue, value); } else { self.push(Checkpoint160({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the first (oldest) checkpoint with key strictly bigger than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key greater or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint160[] storage self, uint256 pos ) private pure returns (Checkpoint160 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/Math.sol) pragma solidity ^0.8.20; import {Panic} from "../Panic.sol"; import {SafeCast} from "./SafeCast.sol"; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an success flag (no overflow). */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an success flag (no overflow). */ function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an success flag (no overflow). */ function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a success flag (no division by zero). */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero). */ function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, uint256 a, uint256 b) internal pure returns (uint256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * SafeCast.toUint(condition)); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return ternary(a < b, a, b); } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. Panic.panic(Panic.DIVISION_BY_ZERO); } // The following calculation ensures accurate ceiling division without overflow. // Since a is non-zero, (a - 1) / b will not overflow. // The largest possible result occurs when (a - 1) / b is type(uint256).max, // but the largest value we can obtain is type(uint256).max - 1, which happens // when a = type(uint256).max and b = 1. unchecked { return SafeCast.toUint(a > 0) * ((a - 1) / b + 1); } } /** * @dev Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * * Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2²⁵⁶ + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2²⁵⁶. Also prevents denominator == 0. if (denominator <= prod1) { Panic.panic(ternary(denominator == 0, Panic.DIVISION_BY_ZERO, Panic.UNDER_OVERFLOW)); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2²⁵⁶ / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2²⁵⁶. Now that denominator is an odd number, it has an inverse modulo 2²⁵⁶ such // that denominator * inv ≡ 1 mod 2²⁵⁶. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv ≡ 1 mod 2⁴. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2⁸ inverse *= 2 - denominator * inverse; // inverse mod 2¹⁶ inverse *= 2 - denominator * inverse; // inverse mod 2³² inverse *= 2 - denominator * inverse; // inverse mod 2⁶⁴ inverse *= 2 - denominator * inverse; // inverse mod 2¹²⁸ inverse *= 2 - denominator * inverse; // inverse mod 2²⁵⁶ // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2²⁵⁶. Since the preconditions guarantee that the outcome is // less than 2²⁵⁶, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @dev Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { return mulDiv(x, y, denominator) + SafeCast.toUint(unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0); } /** * @dev Calculate the modular multiplicative inverse of a number in Z/nZ. * * If n is a prime, then Z/nZ is a field. In that case all elements are inversible, except 0. * If n is not a prime, then Z/nZ is not a field, and some elements might not be inversible. * * If the input value is not inversible, 0 is returned. * * NOTE: If you know for sure that n is (big) a prime, it may be cheaper to use Fermat's little theorem and get the * inverse using `Math.modExp(a, n - 2, n)`. See {invModPrime}. */ function invMod(uint256 a, uint256 n) internal pure returns (uint256) { unchecked { if (n == 0) return 0; // The inverse modulo is calculated using the Extended Euclidean Algorithm (iterative version) // Used to compute integers x and y such that: ax + ny = gcd(a, n). // When the gcd is 1, then the inverse of a modulo n exists and it's x. // ax + ny = 1 // ax = 1 + (-y)n // ax ≡ 1 (mod n) # x is the inverse of a modulo n // If the remainder is 0 the gcd is n right away. uint256 remainder = a % n; uint256 gcd = n; // Therefore the initial coefficients are: // ax + ny = gcd(a, n) = n // 0a + 1n = n int256 x = 0; int256 y = 1; while (remainder != 0) { uint256 quotient = gcd / remainder; (gcd, remainder) = ( // The old remainder is the next gcd to try. remainder, // Compute the next remainder. // Can't overflow given that (a % gcd) * (gcd // (a % gcd)) <= gcd // where gcd is at most n (capped to type(uint256).max) gcd - remainder * quotient ); (x, y) = ( // Increment the coefficient of a. y, // Decrement the coefficient of n. // Can overflow, but the result is casted to uint256 so that the // next value of y is "wrapped around" to a value between 0 and n - 1. x - y * int256(quotient) ); } if (gcd != 1) return 0; // No inverse exists. return ternary(x < 0, n - uint256(-x), uint256(x)); // Wrap the result if it's negative. } } /** * @dev Variant of {invMod}. More efficient, but only works if `p` is known to be a prime greater than `2`. * * From https://en.wikipedia.org/wiki/Fermat%27s_little_theorem[Fermat's little theorem], we know that if p is * prime, then `a**(p-1) ≡ 1 mod p`. As a consequence, we have `a * a**(p-2) ≡ 1 mod p`, which means that * `a**(p-2)` is the modular multiplicative inverse of a in Fp. * * NOTE: this function does NOT check that `p` is a prime greater than `2`. */ function invModPrime(uint256 a, uint256 p) internal view returns (uint256) { unchecked { return Math.modExp(a, p - 2, p); } } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m) * * Requirements: * - modulus can't be zero * - underlying staticcall to precompile must succeed * * IMPORTANT: The result is only valid if the underlying call succeeds. When using this function, make * sure the chain you're using it on supports the precompiled contract for modular exponentiation * at address 0x05 as specified in https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, * the underlying function will succeed given the lack of a revert, but the result may be incorrectly * interpreted as 0. */ function modExp(uint256 b, uint256 e, uint256 m) internal view returns (uint256) { (bool success, uint256 result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Returns the modular exponentiation of the specified base, exponent and modulus (b ** e % m). * It includes a success flag indicating if the operation succeeded. Operation will be marked as failed if trying * to operate modulo 0 or if the underlying precompile reverted. * * IMPORTANT: The result is only valid if the success flag is true. When using this function, make sure the chain * you're using it on supports the precompiled contract for modular exponentiation at address 0x05 as specified in * https://eips.ethereum.org/EIPS/eip-198[EIP-198]. Otherwise, the underlying function will succeed given the lack * of a revert, but the result may be incorrectly interpreted as 0. */ function tryModExp(uint256 b, uint256 e, uint256 m) internal view returns (bool success, uint256 result) { if (m == 0) return (false, 0); assembly ("memory-safe") { let ptr := mload(0x40) // | Offset | Content | Content (Hex) | // |-----------|------------|--------------------------------------------------------------------| // | 0x00:0x1f | size of b | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x20:0x3f | size of e | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x40:0x5f | size of m | 0x0000000000000000000000000000000000000000000000000000000000000020 | // | 0x60:0x7f | value of b | 0x<.............................................................b> | // | 0x80:0x9f | value of e | 0x<.............................................................e> | // | 0xa0:0xbf | value of m | 0x<.............................................................m> | mstore(ptr, 0x20) mstore(add(ptr, 0x20), 0x20) mstore(add(ptr, 0x40), 0x20) mstore(add(ptr, 0x60), b) mstore(add(ptr, 0x80), e) mstore(add(ptr, 0xa0), m) // Given the result < m, it's guaranteed to fit in 32 bytes, // so we can use the memory scratch space located at offset 0. success := staticcall(gas(), 0x05, ptr, 0xc0, 0x00, 0x20) result := mload(0x00) } } /** * @dev Variant of {modExp} that supports inputs of arbitrary length. */ function modExp(bytes memory b, bytes memory e, bytes memory m) internal view returns (bytes memory) { (bool success, bytes memory result) = tryModExp(b, e, m); if (!success) { Panic.panic(Panic.DIVISION_BY_ZERO); } return result; } /** * @dev Variant of {tryModExp} that supports inputs of arbitrary length. */ function tryModExp( bytes memory b, bytes memory e, bytes memory m ) internal view returns (bool success, bytes memory result) { if (_zeroBytes(m)) return (false, new bytes(0)); uint256 mLen = m.length; // Encode call args in result and move the free memory pointer result = abi.encodePacked(b.length, e.length, mLen, b, e, m); assembly ("memory-safe") { let dataPtr := add(result, 0x20) // Write result on top of args to avoid allocating extra memory. success := staticcall(gas(), 0x05, dataPtr, mload(result), dataPtr, mLen) // Overwrite the length. // result.length > returndatasize() is guaranteed because returndatasize() == m.length mstore(result, mLen) // Set the memory pointer after the returned data. mstore(0x40, add(dataPtr, mLen)) } } /** * @dev Returns whether the provided byte array is zero. */ function _zeroBytes(bytes memory byteArray) private pure returns (bool) { for (uint256 i = 0; i < byteArray.length; ++i) { if (byteArray[i] != 0) { return false; } } return true; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * This method is based on Newton's method for computing square roots; the algorithm is restricted to only * using integer operations. */ function sqrt(uint256 a) internal pure returns (uint256) { unchecked { // Take care of easy edge cases when a == 0 or a == 1 if (a <= 1) { return a; } // In this function, we use Newton's method to get a root of `f(x) := x² - a`. It involves building a // sequence x_n that converges toward sqrt(a). For each iteration x_n, we also define the error between // the current value as `ε_n = | x_n - sqrt(a) |`. // // For our first estimation, we consider `e` the smallest power of 2 which is bigger than the square root // of the target. (i.e. `2**(e-1) ≤ sqrt(a) < 2**e`). We know that `e ≤ 128` because `(2¹²⁸)² = 2²⁵⁶` is // bigger than any uint256. // // By noticing that // `2**(e-1) ≤ sqrt(a) < 2**e → (2**(e-1))² ≤ a < (2**e)² → 2**(2*e-2) ≤ a < 2**(2*e)` // we can deduce that `e - 1` is `log2(a) / 2`. We can thus compute `x_n = 2**(e-1)` using a method similar // to the msb function. uint256 aa = a; uint256 xn = 1; if (aa >= (1 << 128)) { aa >>= 128; xn <<= 64; } if (aa >= (1 << 64)) { aa >>= 64; xn <<= 32; } if (aa >= (1 << 32)) { aa >>= 32; xn <<= 16; } if (aa >= (1 << 16)) { aa >>= 16; xn <<= 8; } if (aa >= (1 << 8)) { aa >>= 8; xn <<= 4; } if (aa >= (1 << 4)) { aa >>= 4; xn <<= 2; } if (aa >= (1 << 2)) { xn <<= 1; } // We now have x_n such that `x_n = 2**(e-1) ≤ sqrt(a) < 2**e = 2 * x_n`. This implies ε_n ≤ 2**(e-1). // // We can refine our estimation by noticing that the middle of that interval minimizes the error. // If we move x_n to equal 2**(e-1) + 2**(e-2), then we reduce the error to ε_n ≤ 2**(e-2). // This is going to be our x_0 (and ε_0) xn = (3 * xn) >> 1; // ε_0 := | x_0 - sqrt(a) | ≤ 2**(e-2) // From here, Newton's method give us: // x_{n+1} = (x_n + a / x_n) / 2 // // One should note that: // x_{n+1}² - a = ((x_n + a / x_n) / 2)² - a // = ((x_n² + a) / (2 * x_n))² - a // = (x_n⁴ + 2 * a * x_n² + a²) / (4 * x_n²) - a // = (x_n⁴ + 2 * a * x_n² + a² - 4 * a * x_n²) / (4 * x_n²) // = (x_n⁴ - 2 * a * x_n² + a²) / (4 * x_n²) // = (x_n² - a)² / (2 * x_n)² // = ((x_n² - a) / (2 * x_n))² // ≥ 0 // Which proves that for all n ≥ 1, sqrt(a) ≤ x_n // // This gives us the proof of quadratic convergence of the sequence: // ε_{n+1} = | x_{n+1} - sqrt(a) | // = | (x_n + a / x_n) / 2 - sqrt(a) | // = | (x_n² + a - 2*x_n*sqrt(a)) / (2 * x_n) | // = | (x_n - sqrt(a))² / (2 * x_n) | // = | ε_n² / (2 * x_n) | // = ε_n² / | (2 * x_n) | // // For the first iteration, we have a special case where x_0 is known: // ε_1 = ε_0² / | (2 * x_0) | // ≤ (2**(e-2))² / (2 * (2**(e-1) + 2**(e-2))) // ≤ 2**(2*e-4) / (3 * 2**(e-1)) // ≤ 2**(e-3) / 3 // ≤ 2**(e-3-log2(3)) // ≤ 2**(e-4.5) // // For the following iterations, we use the fact that, 2**(e-1) ≤ sqrt(a) ≤ x_n: // ε_{n+1} = ε_n² / | (2 * x_n) | // ≤ (2**(e-k))² / (2 * 2**(e-1)) // ≤ 2**(2*e-2*k) / 2**e // ≤ 2**(e-2*k) xn = (xn + a / xn) >> 1; // ε_1 := | x_1 - sqrt(a) | ≤ 2**(e-4.5) -- special case, see above xn = (xn + a / xn) >> 1; // ε_2 := | x_2 - sqrt(a) | ≤ 2**(e-9) -- general case with k = 4.5 xn = (xn + a / xn) >> 1; // ε_3 := | x_3 - sqrt(a) | ≤ 2**(e-18) -- general case with k = 9 xn = (xn + a / xn) >> 1; // ε_4 := | x_4 - sqrt(a) | ≤ 2**(e-36) -- general case with k = 18 xn = (xn + a / xn) >> 1; // ε_5 := | x_5 - sqrt(a) | ≤ 2**(e-72) -- general case with k = 36 xn = (xn + a / xn) >> 1; // ε_6 := | x_6 - sqrt(a) | ≤ 2**(e-144) -- general case with k = 72 // Because e ≤ 128 (as discussed during the first estimation phase), we know have reached a precision // ε_6 ≤ 2**(e-144) < 1. Given we're operating on integers, then we can ensure that xn is now either // sqrt(a) or sqrt(a) + 1. return xn - SafeCast.toUint(xn > a / xn); } } /** * @dev Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && result * result < a); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; uint256 exp; unchecked { exp = 128 * SafeCast.toUint(value > (1 << 128) - 1); value >>= exp; result += exp; exp = 64 * SafeCast.toUint(value > (1 << 64) - 1); value >>= exp; result += exp; exp = 32 * SafeCast.toUint(value > (1 << 32) - 1); value >>= exp; result += exp; exp = 16 * SafeCast.toUint(value > (1 << 16) - 1); value >>= exp; result += exp; exp = 8 * SafeCast.toUint(value > (1 << 8) - 1); value >>= exp; result += exp; exp = 4 * SafeCast.toUint(value > (1 << 4) - 1); value >>= exp; result += exp; exp = 2 * SafeCast.toUint(value > (1 << 2) - 1); value >>= exp; result += exp; result += SafeCast.toUint(value > 1); } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << result < value); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 10 ** result < value); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; uint256 isGt; unchecked { isGt = SafeCast.toUint(value > (1 << 128) - 1); value >>= isGt * 128; result += isGt * 16; isGt = SafeCast.toUint(value > (1 << 64) - 1); value >>= isGt * 64; result += isGt * 8; isGt = SafeCast.toUint(value > (1 << 32) - 1); value >>= isGt * 32; result += isGt * 4; isGt = SafeCast.toUint(value > (1 << 16) - 1); value >>= isGt * 16; result += isGt * 2; result += SafeCast.toUint(value > (1 << 8) - 1); } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + SafeCast.toUint(unsignedRoundsUp(rounding) && 1 << (result << 3) < value); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. pragma solidity ^0.8.20; /** * @dev Wrappers over Solidity's uintXX/intXX/bool casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeCast { /** * @dev Value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev An uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } /** * @dev Cast a boolean (false or true) to a uint256 (0 or 1) with no jump. */ function toUint(bool b) internal pure returns (uint256 u) { assembly ("memory-safe") { u := iszero(iszero(b)) } } }
pragma solidity >=0.5.0; interface IUniswapV2Pair { event Approval(address indexed owner, address indexed spender, uint value); event Transfer(address indexed from, address indexed to, uint value); function name() external pure returns (string memory); function symbol() external pure returns (string memory); function decimals() external pure returns (uint8); function totalSupply() external view returns (uint); function balanceOf(address owner) external view returns (uint); function allowance(address owner, address spender) external view returns (uint); function approve(address spender, uint value) external returns (bool); function transfer(address to, uint value) external returns (bool); function transferFrom(address from, address to, uint value) external returns (bool); function DOMAIN_SEPARATOR() external view returns (bytes32); function PERMIT_TYPEHASH() external pure returns (bytes32); function nonces(address owner) external view returns (uint); function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external; event Mint(address indexed sender, uint amount0, uint amount1); event Burn(address indexed sender, uint amount0, uint amount1, address indexed to); event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to ); event Sync(uint112 reserve0, uint112 reserve1); function MINIMUM_LIQUIDITY() external pure returns (uint); function factory() external view returns (address); function token0() external view returns (address); function token1() external view returns (address); function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast); function price0CumulativeLast() external view returns (uint); function price1CumulativeLast() external view returns (uint); function kLast() external view returns (uint); function mint(address to) external returns (uint liquidity); function burn(address to) external returns (uint amount0, uint amount1); function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external; function skim(address to) external; function sync() external; function initialize(address, address) external; }
pragma solidity >=0.5.0; interface IUniswapV2Factory { event PairCreated(address indexed token0, address indexed token1, address pair, uint); function feeTo() external view returns (address); function feeToSetter() external view returns (address); function getPair(address tokenA, address tokenB) external view returns (address pair); function allPairs(uint) external view returns (address pair); function allPairsLength() external view returns (uint); function createPair(address tokenA, address tokenB) external returns (address pair); function setFeeTo(address) external; function setFeeToSetter(address) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/ReentrancyGuard.sol) pragma solidity ^0.8.20; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If EIP-1153 (transient storage) is available on the chain you're deploying at, * consider using {ReentrancyGuardTransient} instead. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant NOT_ENTERED = 1; uint256 private constant ENTERED = 2; uint256 private _status; /** * @dev Unauthorized reentrant call. */ error ReentrancyGuardReentrantCall(); constructor() { _status = NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and making it call a * `private` function that does the actual work. */ modifier nonReentrant() { _nonReentrantBefore(); _; _nonReentrantAfter(); } function _nonReentrantBefore() private { // On the first call to nonReentrant, _status will be NOT_ENTERED if (_status == ENTERED) { revert ReentrancyGuardReentrantCall(); } // Any calls to nonReentrant after this point will fail _status = ENTERED; } function _nonReentrantAfter() private { // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = NOT_ENTERED; } /** * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a * `nonReentrant` function in the call stack. */ function _reentrancyGuardEntered() internal view returns (bool) { return _status == ENTERED; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC-165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[ERC]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721.sol) pragma solidity ^0.8.20; import {IERC165} from "../../utils/introspection/IERC165.sol"; /** * @dev Required interface of an ERC-721 compliant contract. */ interface IERC721 is IERC165 { /** * @dev Emitted when `tokenId` token is transferred from `from` to `to`. */ event Transfer(address indexed from, address indexed to, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token. */ event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId); /** * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets. */ event ApprovalForAll(address indexed owner, address indexed operator, bool approved); /** * @dev Returns the number of tokens in ``owner``'s account. */ function balanceOf(address owner) external view returns (uint256 balance); /** * @dev Returns the owner of the `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC-721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or * {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon * a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom(address from, address to, uint256 tokenId) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC-721 * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must * understand this adds an external call which potentially creates a reentrancy vulnerability. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 tokenId) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the address zero. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.20; import {IERC721} from "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/utils/ERC721Utils.sol) pragma solidity ^0.8.20; import {IERC721Receiver} from "../IERC721Receiver.sol"; import {IERC721Errors} from "../../../interfaces/draft-IERC6093.sol"; /** * @dev Library that provide common ERC-721 utility functions. * * See https://eips.ethereum.org/EIPS/eip-721[ERC-721]. * * _Available since v5.1._ */ library ERC721Utils { /** * @dev Performs an acceptance check for the provided `operator` by calling {IERC721-onERC721Received} * on the `to` address. The `operator` is generally the address that initiated the token transfer (i.e. `msg.sender`). * * The acceptance call is not executed and treated as a no-op if the target address doesn't contain code (i.e. an EOA). * Otherwise, the recipient must implement {IERC721Receiver-onERC721Received} and return the acceptance magic value to accept * the transfer. */ function checkOnERC721Received( address operator, address from, address to, uint256 tokenId, bytes memory data ) internal { if (to.code.length > 0) { try IERC721Receiver(to).onERC721Received(operator, from, tokenId, data) returns (bytes4 retval) { if (retval != IERC721Receiver.onERC721Received.selector) { // Token rejected revert IERC721Errors.ERC721InvalidReceiver(to); } } catch (bytes memory reason) { if (reason.length == 0) { // non-IERC721Receiver implementer revert IERC721Errors.ERC721InvalidReceiver(to); } else { assembly ("memory-safe") { revert(add(32, reason), mload(reason)) } } } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC-165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol) pragma solidity ^0.8.20; /** * @dev Standard ERC-20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC-721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC-1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; import {SafeCast} from "./SafeCast.sol"; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Branchless ternary evaluation for `a ? b : c`. Gas costs are constant. * * IMPORTANT: This function may reduce bytecode size and consume less gas when used standalone. * However, the compiler may optimize Solidity ternary operations (i.e. `a ? b : c`) to only compute * one branch when needed, making this function more expensive. */ function ternary(bool condition, int256 a, int256 b) internal pure returns (int256) { unchecked { // branchless ternary works because: // b ^ (a ^ b) == a // b ^ 0 == b return b ^ ((a ^ b) * int256(SafeCast.toUint(condition))); } } /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return ternary(a > b, a, b); } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return ternary(a < b, a, b); } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // Formula from the "Bit Twiddling Hacks" by Sean Eron Anderson. // Since `n` is a signed integer, the generated bytecode will use the SAR opcode to perform the right shift, // taking advantage of the most significant (or "sign" bit) in two's complement representation. // This opcode adds new most significant bits set to the value of the previous most significant bit. As a result, // the mask will either be `bytes32(0)` (if n is positive) or `~bytes32(0)` (if n is negative). int256 mask = n >> 255; // A `bytes32(0)` mask leaves the input unchanged, while a `~bytes32(0)` mask complements it. return uint256((n + mask) ^ mask); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721.sol) pragma solidity ^0.8.20; import {IERC721} from "../token/ERC721/IERC721.sol";
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC-20 standard. */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/cryptography/MessageHashUtils.sol) pragma solidity ^0.8.20; import {Strings} from "../Strings.sol"; /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[ERC-191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an ERC-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { assembly ("memory-safe") { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/ShortStrings.sol) pragma solidity ^0.8.20; import {StorageSlot} from "./StorageSlot.sol"; // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ function toShortString(string memory str) internal pure returns (ShortString) { bytes memory bstr = bytes(str); if (bstr.length > 31) { revert StringTooLong(str); } return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(32); assembly ("memory-safe") { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 31) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) { if (bytes(value).length < 32) { return toShortString(value); } else { StorageSlot.getStringSlot(store).value = value; return ShortString.wrap(FALLBACK_SENTINEL); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using * {setWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return byteLength(value); } else { return bytes(store).length; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.20; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol) pragma solidity ^0.8.20; import {IVotes} from "../governance/utils/IVotes.sol"; import {IERC6372} from "./IERC6372.sol"; interface IERC5805 is IERC6372, IVotes {}
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/Panic.sol) pragma solidity ^0.8.20; /** * @dev Helper library for emitting standardized panic codes. * * ```solidity * contract Example { * using Panic for uint256; * * // Use any of the declared internal constants * function foo() { Panic.GENERIC.panic(); } * * // Alternatively * function foo() { Panic.panic(Panic.GENERIC); } * } * ``` * * Follows the list from https://github.com/ethereum/solidity/blob/v0.8.24/libsolutil/ErrorCodes.h[libsolutil]. * * _Available since v5.1._ */ // slither-disable-next-line unused-state library Panic { /// @dev generic / unspecified error uint256 internal constant GENERIC = 0x00; /// @dev used by the assert() builtin uint256 internal constant ASSERT = 0x01; /// @dev arithmetic underflow or overflow uint256 internal constant UNDER_OVERFLOW = 0x11; /// @dev division or modulo by zero uint256 internal constant DIVISION_BY_ZERO = 0x12; /// @dev enum conversion error uint256 internal constant ENUM_CONVERSION_ERROR = 0x21; /// @dev invalid encoding in storage uint256 internal constant STORAGE_ENCODING_ERROR = 0x22; /// @dev empty array pop uint256 internal constant EMPTY_ARRAY_POP = 0x31; /// @dev array out of bounds access uint256 internal constant ARRAY_OUT_OF_BOUNDS = 0x32; /// @dev resource error (too large allocation or too large array) uint256 internal constant RESOURCE_ERROR = 0x41; /// @dev calling invalid internal function uint256 internal constant INVALID_INTERNAL_FUNCTION = 0x51; /// @dev Reverts with a panic code. Recommended to use with /// the internal constants with predefined codes. function panic(uint256 code) internal pure { assembly ("memory-safe") { mstore(0x00, 0x4e487b71) mstore(0x20, code) revert(0x1c, 0x24) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721Receiver.sol) pragma solidity ^0.8.20; /** * @title ERC-721 token receiver interface * @dev Interface for any contract that wants to support safeTransfers * from ERC-721 asset contracts. */ interface IERC721Receiver { /** * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom} * by `operator` from `from`, this function is called. * * It must return its Solidity selector to confirm the token transfer. * If any other value is returned or the interface is not implemented by the recipient, the transfer will be * reverted. * * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`. */ function onERC721Received( address operator, address from, uint256 tokenId, bytes calldata data ) external returns (bytes4); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.1.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC-1967 implementation slot: * ```solidity * contract ERC1967 { * // Define the slot. Alternatively, use the SlotDerivation library to derive the slot. * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` * * TIP: Consider using this library along with {SlotDerivation}. */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct Int256Slot { int256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `Int256Slot` with member `value` located at `slot`. */ function getInt256Slot(bytes32 slot) internal pure returns (Int256Slot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns a `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } /** * @dev Returns a `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { assembly ("memory-safe") { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/IVotes.sol) pragma solidity ^0.8.20; /** * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts. */ interface IVotes { /** * @dev The signature used has expired. */ error VotesExpiredSignature(uint256 expiry); /** * @dev Emitted when an account changes their delegate. */ event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /** * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of voting units. */ event DelegateVotesChanged(address indexed delegate, uint256 previousVotes, uint256 newVotes); /** * @dev Returns the current amount of votes that `account` has. */ function getVotes(address account) external view returns (uint256); /** * @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. */ function getPastVotes(address account, uint256 timepoint) external view returns (uint256); /** * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes. * Votes that have not been delegated are still part of total supply, even though they would not participate in a * vote. */ function getPastTotalSupply(uint256 timepoint) external view returns (uint256); /** * @dev Returns the delegate that `account` has chosen. */ function delegates(address account) external view returns (address); /** * @dev Delegates votes from the sender to `delegatee`. */ function delegate(address delegatee) external; /** * @dev Delegates votes from signer to `delegatee`. */ function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol) pragma solidity ^0.8.20; interface IERC6372 { /** * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting). */ function clock() external view returns (uint48); /** * @dev Description of the clock */ // solhint-disable-next-line func-name-mixedcase function CLOCK_MODE() external view returns (string memory); }
{ "remappings": [ "@chainlink/=node_modules/@chainlink/", "@eth-optimism/=node_modules/@eth-optimism/", "@openzeppelin/=node_modules/@openzeppelin/", "@prb/test/=node_modules/dev-fraxswap/node_modules/@prb/test/", "@uniswap/=node_modules/@uniswap/", "dev-fraxswap/=node_modules/dev-fraxswap/", "ds-test/=node_modules/ds-test/", "forge-std/=node_modules/forge-std/", "frax-standard-solidity/=node_modules/frax-standard-solidity/", "frax-std/=node_modules/dev-fraxswap/node_modules/frax-standard-solidity/src/", "solidity-bytes-utils/=node_modules/solidity-bytes-utils/" ], "optimizer": { "enabled": true, "runs": 832 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "none", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "shanghai", "viaIR": false, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"contract IERC20","name":"_currencyToken","type":"address"},{"internalType":"uint256","name":"_creationFee","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"MintTODAOTooHigh","type":"error"},{"inputs":[],"name":"MintToAgentTooHigh","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[],"name":"ShareToBammTooHigh","type":"error"},{"inputs":[],"name":"TradingFeeTooHigh","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"newBytecode","type":"bytes"}],"name":"AgentBytecodeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"agent","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":true,"internalType":"address","name":"governor","type":"address"},{"indexed":false,"internalType":"address","name":"manager","type":"address"},{"indexed":false,"internalType":"address","name":"pool","type":"address"}],"name":"AgentCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"CreationFeeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"currencyToken","type":"address"}],"name":"CurrencyTokenSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"defaultProxyImplementation","type":"address"}],"name":"DefaultProxyImplementationSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"newBytecode","type":"bytes"}],"name":"GovernorBytecodeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"initialPrice","type":"uint256"}],"name":"InitialPriceSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"newBytecode","type":"bytes"}],"name":"LiquidityManagerBytecodeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"mintToAgnet","type":"uint256"}],"name":"MintToAgentSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"mintToDAO","type":"uint256"}],"name":"MintToDAOSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"proxyImplementation","type":"address"},{"indexed":false,"internalType":"bool","name":"allowed","type":"bool"}],"name":"ProxyImplementationAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RecoveredERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"shareToBamm","type":"uint256"}],"name":"ShareToBammSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"targetCCYLiquidity","type":"uint256"}],"name":"TargetCCYLiquiditySet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"tradingFee","type":"uint256"}],"name":"TradingFeeSet","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"agentBytecode","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"agentManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"agents","outputs":[{"internalType":"contract Agent","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"allowedProxyImplementation","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_url","type":"string"},{"internalType":"uint256","name":"_amountToBuy","type":"uint256"}],"name":"createAgent","outputs":[{"internalType":"contract Agent","name":"agent","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"creationFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currencyToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultProxyImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governorBytecode","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initialPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidityManagerBytecode","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintToAgent","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintToDAO","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"numberOfAgents","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_newBytecode","type":"bytes"}],"name":"setAgentBytecode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_agent","type":"address"},{"internalType":"uint256","name":"_stage","type":"uint256"}],"name":"setAgentStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_proxyImplementation","type":"address"},{"internalType":"bool","name":"_allowed","type":"bool"}],"name":"setAllowedProxyImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_creationFee","type":"uint256"}],"name":"setCreationFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_currencyToken","type":"address"}],"name":"setCurrencyToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_defaultProxyImplementation","type":"address"}],"name":"setDefaultProxyImplementation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_newBytecode","type":"bytes"}],"name":"setGovenerBytecode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_initialPrice","type":"uint256"}],"name":"setInitialPrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_newBytecode","type":"bytes"}],"name":"setLiquidityManagerBytecode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintToAgent","type":"uint256"}],"name":"setMintToAgent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintToDAO","type":"uint256"}],"name":"setMintToDAO","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_shareToBamm","type":"uint256"}],"name":"setShareToBamm","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_targetCCYLiquidity","type":"uint256"}],"name":"setTargetCCYLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tradingFee","type":"uint256"}],"name":"setTradingFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"shareToBamm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"targetCCYLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"tokenAgent","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tradingFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000cc3023635df54fc0e43f47bc4beb90c3d1fbda9f00000000000000000000000000000000000000000000003635c9adc5dea00000
-----Decoded View---------------
Arg [0] : _currencyToken (address): 0xCc3023635dF54FC0e43F47bc4BeB90c3d1fbDa9f
Arg [1] : _creationFee (uint256): 1000000000000000000000
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000cc3023635df54fc0e43f47bc4beb90c3d1fbda9f
Arg [1] : 00000000000000000000000000000000000000000000003635c9adc5dea00000
Loading...
Loading
Loading...
Loading
Multichain Portfolio | 34 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.