@ensuro/swaplibrary
Version:
Solidity Library that implements swap using different plaforms with a homogeneneous interface
86 lines • 173 kB
JSON
{
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"id": "solc-0_8_35-3c6720e352a8805a57f3d5d8111ba91dcd52bec9",
"solcVersion": "0.8.35",
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"contracts/CurveRoutes.sol": "project/contracts/CurveRoutes.sol",
"contracts/dependencies/ICurveRouter.sol": "project/contracts/dependencies/ICurveRouter.sol",
"contracts/interfaces/ISwapRouterErrors.sol": "project/contracts/interfaces/ISwapRouterErrors.sol",
"contracts/mocks/CurveRoutesTesterMock.sol": "project/contracts/mocks/CurveRoutesTesterMock.sol",
"contracts/mocks/SwapRouterMock.sol": "project/contracts/mocks/SwapRouterMock.sol",
"contracts/mocks/SwapTesterMock.sol": "project/contracts/mocks/SwapTesterMock.sol",
"contracts/mocks/TestCurrency.sol": "project/contracts/mocks/TestCurrency.sol",
"contracts/P2PSwapRouter.sol": "project/contracts/P2PSwapRouter.sol",
"contracts/SwapLibrary.sol": "project/contracts/SwapLibrary.sol"
},
"input": {
"language": "Solidity",
"settings": {
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"optimizer": {
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"runs": 200
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"sources": {
"npm/@openzeppelin/contracts@5.5.0/interfaces/draft-IERC6093.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (interfaces/draft-IERC6093.sol)\n\npragma solidity >=0.8.4;\n\n/**\n * @dev Standard ERC-20 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.\n */\ninterface IERC20Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC20InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC20InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n * @param allowance Amount of tokens a `spender` is allowed to operate with.\n * @param needed Minimum amount required to perform a transfer.\n */\n error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC20InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `spender` to be approved. Used in approvals.\n * @param spender Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC20InvalidSpender(address spender);\n}\n\n/**\n * @dev Standard ERC-721 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.\n */\ninterface IERC721Errors {\n /**\n * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-721.\n * Used in balance queries.\n * @param owner Address of the current owner of a token.\n */\n error ERC721InvalidOwner(address owner);\n\n /**\n * @dev Indicates a `tokenId` whose `owner` is the zero address.\n * @param tokenId Identifier number of a token.\n */\n error ERC721NonexistentToken(uint256 tokenId);\n\n /**\n * @dev Indicates an error related to the ownership over a particular token. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param tokenId Identifier number of a token.\n * @param owner Address of the current owner of a token.\n */\n error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC721InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC721InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param tokenId Identifier number of a token.\n */\n error ERC721InsufficientApproval(address operator, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC721InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC721InvalidOperator(address operator);\n}\n\n/**\n * @dev Standard ERC-1155 Errors\n * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.\n */\ninterface IERC1155Errors {\n /**\n * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n * @param balance Current balance for the interacting account.\n * @param needed Minimum amount required to perform a transfer.\n * @param tokenId Identifier number of a token.\n */\n error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);\n\n /**\n * @dev Indicates a failure with the token `sender`. Used in transfers.\n * @param sender Address whose tokens are being transferred.\n */\n error ERC1155InvalidSender(address sender);\n\n /**\n * @dev Indicates a failure with the token `receiver`. Used in transfers.\n * @param receiver Address to which tokens are being transferred.\n */\n error ERC1155InvalidReceiver(address receiver);\n\n /**\n * @dev Indicates a failure with the `operator`’s approval. Used in transfers.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n * @param owner Address of the current owner of a token.\n */\n error ERC1155MissingApprovalForAll(address operator, address owner);\n\n /**\n * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.\n * @param approver Address initiating an approval operation.\n */\n error ERC1155InvalidApprover(address approver);\n\n /**\n * @dev Indicates a failure with the `operator` to be approved. Used in approvals.\n * @param operator Address that may be allowed to operate on tokens without being their owner.\n */\n error ERC1155InvalidOperator(address operator);\n\n /**\n * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.\n * Used in batch transfers.\n * @param idsLength Length of the array of token identifiers\n * @param valuesLength Length of the array of token amounts\n */\n error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/interfaces/IERC1363.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC165} from \"./IERC165.sol\";\n\n/**\n * @title IERC1363\n * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].\n *\n * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract\n * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.\n */\ninterface IERC1363 is IERC20, IERC165 {\n /*\n * Note: the ERC-165 identifier for this interface is 0xb0202a11.\n * 0xb0202a11 ===\n * bytes4(keccak256('transferAndCall(address,uint256)')) ^\n * bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^\n * bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^\n * bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^\n * bytes4(keccak256('approveAndCall(address,uint256)')) ^\n * bytes4(keccak256('approveAndCall(address,uint256,bytes)'))\n */\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferAndCall(address to, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @param data Additional data with no specified format, sent in call to `to`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param from The address which you want to send tokens from.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferFromAndCall(address from, address to, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism\n * and then calls {IERC1363Receiver-onTransferReceived} on `to`.\n * @param from The address which you want to send tokens from.\n * @param to The address which you want to transfer to.\n * @param value The amount of tokens to be transferred.\n * @param data Additional data with no specified format, sent in call to `to`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n * @param spender The address which will spend the funds.\n * @param value The amount of tokens to be spent.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function approveAndCall(address spender, uint256 value) external returns (bool);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.\n * @param spender The address which will spend the funds.\n * @param value The amount of tokens to be spent.\n * @param data Additional data with no specified format, sent in call to `spender`.\n * @return A boolean value indicating whether the operation succeeded unless throwing.\n */\n function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC165} from \"../utils/introspection/IERC165.sol\";\n"
},
"npm/@openzeppelin/contracts@5.5.0/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)\n\npragma solidity >=0.4.16;\n\nimport {IERC20} from \"../token/ERC20/IERC20.sol\";\n"
},
"npm/@openzeppelin/contracts@5.5.0/token/ERC20/ERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"./IERC20.sol\";\nimport {IERC20Metadata} from \"./extensions/IERC20Metadata.sol\";\nimport {Context} from \"../../utils/Context.sol\";\nimport {IERC20Errors} from \"../../interfaces/draft-IERC6093.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC-20\n * applications.\n */\nabstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {\n mapping(address account => uint256) private _balances;\n\n mapping(address account => mapping(address spender => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * Both values are immutable: they can only be set once during construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual returns (uint8) {\n return 18;\n }\n\n /// @inheritdoc IERC20\n function totalSupply() public view virtual returns (uint256) {\n return _totalSupply;\n }\n\n /// @inheritdoc IERC20\n function balanceOf(address account) public view virtual returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `value`.\n */\n function transfer(address to, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, value);\n return true;\n }\n\n /// @inheritdoc IERC20\n function allowance(address owner, address spender) public view virtual returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 value) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, value);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Skips emitting an {Approval} event indicating an allowance update. This is not\n * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `value`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `value`.\n */\n function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, value);\n _transfer(from, to, value);\n return true;\n }\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _transfer(address from, address to, uint256 value) internal {\n if (from == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n if (to == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(from, to, value);\n }\n\n /**\n * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`\n * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding\n * this function.\n *\n * Emits a {Transfer} event.\n */\n function _update(address from, address to, uint256 value) internal virtual {\n if (from == address(0)) {\n // Overflow check required: The rest of the code assumes that totalSupply never overflows\n _totalSupply += value;\n } else {\n uint256 fromBalance = _balances[from];\n if (fromBalance < value) {\n revert ERC20InsufficientBalance(from, fromBalance, value);\n }\n unchecked {\n // Overflow not possible: value <= fromBalance <= totalSupply.\n _balances[from] = fromBalance - value;\n }\n }\n\n if (to == address(0)) {\n unchecked {\n // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.\n _totalSupply -= value;\n }\n } else {\n unchecked {\n // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.\n _balances[to] += value;\n }\n }\n\n emit Transfer(from, to, value);\n }\n\n /**\n * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).\n * Relies on the `_update` mechanism\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead.\n */\n function _mint(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidReceiver(address(0));\n }\n _update(address(0), account, value);\n }\n\n /**\n * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.\n * Relies on the `_update` mechanism.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * NOTE: This function is not virtual, {_update} should be overridden instead\n */\n function _burn(address account, uint256 value) internal {\n if (account == address(0)) {\n revert ERC20InvalidSender(address(0));\n }\n _update(account, address(0), value);\n }\n\n /**\n * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n *\n * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.\n */\n function _approve(address owner, address spender, uint256 value) internal {\n _approve(owner, spender, value, true);\n }\n\n /**\n * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.\n *\n * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by\n * `_spendAllowance` during the `transferFrom` operation sets the flag to false. This saves gas by not emitting any\n * `Approval` event during `transferFrom` operations.\n *\n * Anyone who wishes to continue emitting `Approval` events on the `transferFrom` operation can force the flag to\n * true using the following override:\n *\n * ```solidity\n * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {\n * super._approve(owner, spender, value, true);\n * }\n * ```\n *\n * Requirements are the same as {_approve}.\n */\n function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {\n if (owner == address(0)) {\n revert ERC20InvalidApprover(address(0));\n }\n if (spender == address(0)) {\n revert ERC20InvalidSpender(address(0));\n }\n _allowances[owner][spender] = value;\n if (emitEvent) {\n emit Approval(owner, spender, value);\n }\n }\n\n /**\n * @dev Updates `owner`'s allowance for `spender` based on spent `value`.\n *\n * Does not update the allowance value in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Does not emit an {Approval} event.\n */\n function _spendAllowance(address owner, address spender, uint256 value) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance < type(uint256).max) {\n if (currentAllowance < value) {\n revert ERC20InsufficientAllowance(spender, currentAllowance, value);\n }\n unchecked {\n _approve(owner, spender, currentAllowance - value, false);\n }\n }\n }\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/token/ERC20/extensions/IERC20Metadata.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity >=0.6.2;\n\nimport {IERC20} from \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC-20 standard.\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-20 standard as defined in the ERC.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the value of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the value of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves a `value` amount of tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 value) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets a `value` amount of tokens as the allowance of `spender` over the\n * caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 value) external returns (bool);\n\n /**\n * @dev Moves a `value` amount of tokens from `from` to `to` using the\n * allowance mechanism. `value` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(address from, address to, uint256 value) external returns (bool);\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.20;\n\nimport {IERC20} from \"../IERC20.sol\";\nimport {IERC1363} from \"../../../interfaces/IERC1363.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC-20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n /**\n * @dev An operation with an ERC-20 token failed.\n */\n error SafeERC20FailedOperation(address token);\n\n /**\n * @dev Indicates a failed `decreaseAllowance` request.\n */\n error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);\n\n /**\n * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n */\n function safeTransfer(IERC20 token, address to, uint256 value) internal {\n if (!_safeTransfer(token, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n */\n function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n if (!_safeTransferFrom(token, from, to, value, true)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.\n */\n function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {\n return _safeTransfer(token, to, value, false);\n }\n\n /**\n * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.\n */\n function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {\n return _safeTransferFrom(token, from, to, value, false);\n }\n\n /**\n * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful.\n *\n * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n */\n function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n uint256 oldAllowance = token.allowance(address(this), spender);\n forceApprove(token, spender, oldAllowance + value);\n }\n\n /**\n * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no\n * value, non-reverting calls are assumed to be successful.\n *\n * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the \"client\"\n * smart contract uses ERC-7674 to set temporary allowances, then the \"client\" smart contract should avoid using\n * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract\n * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.\n */\n function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {\n unchecked {\n uint256 currentAllowance = token.allowance(address(this), spender);\n if (currentAllowance < requestedDecrease) {\n revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);\n }\n forceApprove(token, spender, currentAllowance - requestedDecrease);\n }\n }\n\n /**\n * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n * to be set to zero before setting it to a non-zero value, such as USDT.\n *\n * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function\n * only sets the \"standard\" allowance. Any temporary allowance will remain active, in addition to the value being\n * set here.\n */\n function forceApprove(IERC20 token, address spender, uint256 value) internal {\n if (!_safeApprove(token, spender, value, false)) {\n if (!_safeApprove(token, spender, 0, true)) revert SafeERC20FailedOperation(address(token));\n if (!_safeApprove(token, spender, value, true)) revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no\n * code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n * targeting contracts.\n *\n * Reverts if the returned value is other than `true`.\n */\n function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n if (to.code.length == 0) {\n safeTransfer(token, to, value);\n } else if (!token.transferAndCall(to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target\n * has no code. This can be used to implement an {ERC721}-like safe transfer that relies on {ERC1363} checks when\n * targeting contracts.\n *\n * Reverts if the returned value is other than `true`.\n */\n function transferFromAndCallRelaxed(\n IERC1363 token,\n address from,\n address to,\n uint256 value,\n bytes memory data\n ) internal {\n if (to.code.length == 0) {\n safeTransferFrom(token, from, to, value);\n } else if (!token.transferFromAndCall(from, to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no\n * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when\n * targeting contracts.\n *\n * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.\n * Oppositely, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}\n * once without retrying, and relies on the returned value to be true.\n *\n * Reverts if the returned value is other than `true`.\n */\n function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {\n if (to.code.length == 0) {\n forceApprove(token, to, value);\n } else if (!token.approveAndCall(to, value, data)) {\n revert SafeERC20FailedOperation(address(token));\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.transfer(to, value)` call, relaxing the requirement on the return value: the\n * return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransfer(IERC20 token, address to, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.transfer.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(to, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.transferFrom(from, to, value)` call, relaxing the requirement on the return\n * value: the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param from The sender of the tokens\n * @param to The recipient of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeTransferFrom(\n IERC20 token,\n address from,\n address to,\n uint256 value,\n bool bubble\n ) private returns (bool success) {\n bytes4 selector = IERC20.transferFrom.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(from, shr(96, not(0))))\n mstore(0x24, and(to, shr(96, not(0))))\n mstore(0x44, value)\n success := call(gas(), token, 0, 0x00, 0x64, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n mstore(0x60, 0)\n }\n }\n\n /**\n * @dev Imitates a Solidity `token.approve(spender, value)` call, relaxing the requirement on the return value:\n * the return value is optional (but if data is returned, it must not be false).\n *\n * @param token The token targeted by the call.\n * @param spender The spender of the tokens\n * @param value The amount of token to transfer\n * @param bubble Behavior switch if the transfer call reverts: bubble the revert reason or return a false boolean.\n */\n function _safeApprove(IERC20 token, address spender, uint256 value, bool bubble) private returns (bool success) {\n bytes4 selector = IERC20.approve.selector;\n\n assembly (\"memory-safe\") {\n let fmp := mload(0x40)\n mstore(0x00, selector)\n mstore(0x04, and(spender, shr(96, not(0))))\n mstore(0x24, value)\n success := call(gas(), token, 0, 0x00, 0x44, 0x00, 0x20)\n // if call success and return is true, all is good.\n // otherwise (not success or return is not true), we need to perform further checks\n if iszero(and(success, eq(mload(0x00), 1))) {\n // if the call was a failure and bubble is enabled, bubble the error\n if and(iszero(success), bubble) {\n returndatacopy(fmp, 0x00, returndatasize())\n revert(fmp, returndatasize())\n }\n // if the return value is not true, then the call is only successful if:\n // - the token address has code\n // - the returndata is empty\n success := and(success, and(iszero(returndatasize()), gt(extcodesize(token), 0)))\n }\n mstore(0x40, fmp)\n }\n }\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/utils/Context.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)\n\npragma solidity ^0.8.20;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n\n function _contextSuffixLength() internal view virtual returns (uint256) {\n return 0;\n }\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)\n\npragma solidity >=0.4.16;\n\n/**\n * @dev Interface of the ERC-165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[ERC].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\n */\ninterface IERC165 {\n /**\n * @dev Returns true if this contract implements the interface defined by\n * `interfaceId`. See the corresponding\n * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]\n * to learn more about how these ids are created.\n *\n * This function call must use less than 30 000 gas.\n */\n function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}\n"
},
"npm/@openzeppelin/contracts@5.5.0/utils/math/Math.sol": {
"content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v5.5.0) (utils/math/Math.sol)\n\npragma solidity ^0.8.20;\n\nimport {Panic} from \"../Panic.sol\";\nimport {SafeCast} from \"./SafeCast.sol\";\n\n/**\n * @dev Standard math utilities missing in the Solidity language.\n */\nlibrary Math {\n enum Rounding {\n Floor, // Toward negative infinity\n Ceil, // Toward positive infinity\n Trunc, // Toward zero\n Expand // Away from zero\n }\n\n /**\n * @dev Return the 512-bit addition of two uint256.\n *\n * The result is stored in two 256 variables such that sum = high * 2²⁵⁶ + low.\n */\n function add512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n assembly (\"memory-safe\") {\n low := add(a, b)\n high := lt(low, a)\n }\n }\n\n /**\n * @dev Return the 512-bit multiplication of two uint256.\n *\n * The result is stored in two 256 variables such that product = high * 2²⁵⁶ + low.\n */\n function mul512(uint256 a, uint256 b) internal pure returns (uint256 high, uint256 low) {\n // 512-bit multiply [high low] = x * y. Compute the product mod 2²⁵⁶ and mod 2²⁵⁶ - 1, then use\n // the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256\n // variables such that product = high * 2²⁵⁶ + low.\n assembly (\"memory-safe\") {\n let mm := mulmod(a, b, not(0))\n low := mul(a, b)\n high := sub(sub(mm, low), lt(mm, low))\n }\n }\n\n /**\n * @dev Returns the addition of two unsigned integers, with a success flag (no overflow).\n */\n function tryAdd(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n uint256 c = a + b;\n success = c >= a;\n result = c * SafeCast.toUint(success);\n }\n }\n\n /**\n * @dev Returns the subtraction of two unsigned integers, with a success flag (no overflow).\n */\n function trySub(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n uint256 c = a - b;\n success = c <= a;\n result = c * SafeCast.toUint(success);\n }\n }\n\n /**\n * @dev Returns the multiplication of two unsigned integers, with a success flag (no overflow).\n */\n function tryMul(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n uint256 c = a * b;\n assembly (\"memory-safe\") {\n // Only true when the multiplication doesn't overflow\n // (c / a == b) || (a == 0)\n success := or(eq(div(c, a), b), iszero(a))\n }\n // equivalent to: success ? c : 0\n result = c * SafeCast.toUint(success);\n }\n }\n\n /**\n * @dev Returns the division of two unsigned integers, with a success flag (no division by zero).\n */\n function tryDiv(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n success = b > 0;\n assembly (\"memory-safe\") {\n // The `DIV` opcode returns zero when the denominator is 0.\n result := div(a, b)\n }\n }\n }\n\n /**\n * @dev Returns the remainder of dividing two unsigned integers, with a success flag (no division by zero).\n */\n function tryMod(uint256 a, uint256 b) internal pure returns (bool success, uint256 result) {\n unchecked {\n success = b > 0;\n assembly (\"memory-safe\") {\n // The `MOD` opcode returns zero when the denominator is 0.\n result := mod(a, b)\n }\n }\n }\n\n /**\n * @dev Unsigned saturating addition, bounds to `2²⁵⁶ - 1` instead of overflowing.\n */\n function saturatingAdd(uint256 a, uint256 b) internal pure returns (uint256) {\n (bool success, uint256 result) = tryAdd(a, b);\n return ternary(success, result, type(uint256).max);\n }\n\n /**\n * @dev Unsigned saturating subtraction, bounds to zero instead of overflowing.\n */\n function saturatingSub(uint256 a, uint256 b) internal pure returns (uint256) {\n (, uint256 result) = trySub(a, b);\n return result;\n }\n\n /**\n * @dev Unsigned saturating multiplication, bounds to `2²⁵⁶ - 1` instead of overflowing.\n */\n function saturatingMul(uint256 a, uint256 b) internal pure returns (uint256) {\n (bool success, uint256 result) = tryMul(a, b);\n return ternary(success, result, type(uint256).max);\n }\n\n /**\n * @dev Br