Description:
Decentralized Finance (DeFi) protocol contract providing Swap, Liquidity, Yield, Factory functionality.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"src/pendleSYsThUSDAdapter.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
/*
▗▄▄▄▖▗▖ ▗▖ ▗▄▖ ▗▄▄▖ ▗▖ ▗▖ ▗▄▖
█ ▐▌ ▐▌▐▌ ▐▌▐▌ ▐▌▐▌ ▐▌▐▌ ▐▌
█ ▐▛▀▜▌▐▛▀▜▌▐▛▀▚▖▐▌ ▐▌▐▛▀▜▌
█ ▐▌ ▐▌▐▌ ▐▌▐▌ ▐▌▐▙█▟▌▐▌ ▐▌
visit : https://tharwa.finance
*/
import {IThUSDSwap} from "src/interfaces/IThUSDSwap.sol";
/* ─── OpenZeppelin v5 ─────────────────────────────────────────────────────── */
import {IERC20} from "lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol";
/* ─── Pendle SY Public ───────────────────────────────────────────────────── */
import {IStandardizedYieldAdapter} from "src/interfaces/IStandardizedYieldAdapter.sol";
/* ─── Tharwa Staked Version ──────────────────────────────────────────────── */
/// @title Pendle SY Adapter for Staked Tharwa USD (sThUSD)
/// @notice An adapter of Staked Tharwa USD (sThUSD) for Pendle Finance standardized yield tokens
contract PendleSYsThUSDAdapter is IStandardizedYieldAdapter {
using SafeERC20 for IERC20;
// in the sTHUSD erc4626 vault:
// asset (principal) == PIVOT_TOKEN = thUSD
// yield token = sThUSD
// allowed deposit tokens (supported by ThUsdSwap) = [USDC, DAI, USDT, (thUSD)]
// allowed redeem tokens = [thUSD]
/// @notice Underlying asset of the ERC4616 vault, which is the PIVOT_TOKEN in pendle world
address public immutable ThUSD;
/// @notice Swapper contract that converts stable coins to thUSD
IThUSDSwap public immutable ThUsdSwap;
// stable coins supported by ThUsdSwap
address internal immutable _DAI;
address internal immutable _USDC;
address internal immutable _USDT;
/**
* @dev Scaling factor to convert between 6-decimal and 18-decimal tokens
* 10^12 = 10^(18-6) for converting between 6-decimal and 18-decimal tokens
*/
uint256 private constant SCALING_FACTOR = 1e12;
////////////////////////////////
error UnsupportedToken();
////////////////////////////////
constructor(address thUsd_, address thUsdSwap_, address usdc_, address dai_, address usdt_) {
ThUSD = thUsd_;
_DAI = dai_;
_USDC = usdc_;
_USDT = usdt_;
ThUsdSwap = IThUSDSwap(thUsdSwap_);
IERC20(usdc_).forceApprove(thUsdSwap_, type(uint256).max);
IERC20(dai_).forceApprove(thUsdSwap_, type(uint256).max);
IERC20(usdt_).forceApprove(thUsdSwap_, type(uint256).max);
}
/**
* @notice Retrieves the address of the pivot token.
* @return pivotToken The address of the pivot token.
*/
function PIVOT_TOKEN() external view returns (address pivotToken) {
return ThUSD;
}
/**
* @notice Converts a specified amount of an input token to pivotToken.
* @dev This function should expect the token has already been transferred to the adapter.
* @param tokenIn The address of the input token. Must be a supported token.
* @param amountTokenIn The amount of the input token to convert.
* @return amountOut The amount of the pivot token.
*/
function convertToDeposit(address tokenIn, uint256 amountTokenIn) external returns (uint256 amountOut) {
amountOut = amountTokenIn;
if (tokenIn == _DAI) {
ThUsdSwap.swapDAI(amountTokenIn);
} else if (tokenIn == _USDC) {
ThUsdSwap.swapUSDC(amountTokenIn);
amountOut = amountOut * SCALING_FACTOR;
} else if (tokenIn == _USDT) {
ThUsdSwap.swapUSDT(amountTokenIn);
amountOut = amountOut * SCALING_FACTOR;
} else if (tokenIn != ThUSD) {
revert UnsupportedToken();
}
IERC20(ThUSD).safeTransfer(msg.sender, amountOut);
return amountOut;
}
/**
* @notice Converts pivotToken to the token requested for redemption.
* @dev This function should expect pivotToken has already been transferred to the adapter.
* @param tokenOut The address of the output token.
* @param amountPivotTokenIn The amount of pivot token to convert.
* @return amountOut The amount of the output token out.
*/
function convertToRedeem(address tokenOut, uint256 amountPivotTokenIn) external returns (uint256 amountOut) {
if (tokenOut != ThUSD) {
revert UnsupportedToken();
}
// The only token out supported is the pivot token, as the swapper doesn't swap back from thusd to stablecoins
// So this function receives ThUSD and transfers the same amount out ...
IERC20(ThUSD).safeTransfer(msg.sender, amountPivotTokenIn);
return amountPivotTokenIn;
}
/**
* @notice Previews the conversion of a specified amount of an input token to pivotToken.
* @param tokenIn The address of the input token.
* @param amountTokenIn The amount of the input token to convert.
* @return amountOut The estimated amount of the pivot token.
*/
function previewConvertToDeposit(address tokenIn, uint256 amountTokenIn) external view returns (uint256 amountOut) {
// for USDC and USDT, we convert 6-decimal to 18-decimal, but for the others, it's 1:1
if (tokenIn == _USDC || tokenIn == _USDT) {
return amountTokenIn * SCALING_FACTOR;
} else if (tokenIn == _DAI || tokenIn == ThUSD) {
return amountTokenIn;
} else {
return 0;
}
}
/**
* @notice Previews the conversion of pivot token to the amount requested for redemption.
* @param tokenOut The address of the output token.
* @param amountPivotTokenIn The amount of pivot token to convert.
* @return amountOut The estimated amount of the output token out.
*/
function previewConvertToRedeem(address tokenOut, uint256 amountPivotTokenIn)
external
view
returns (uint256 amountOut)
{
if (tokenOut != ThUSD) {
return 0;
}
return amountPivotTokenIn;
}
/// @notice Retrieves the list of tokens supported for deposits by the adapter.
/// @dev No need to return the PIVOT_TOKEN here
/// @return tokens An array of addresses of tokens supported for deposits.
function getAdapterTokensDeposit() external view returns (address[] memory tokens) {
tokens = new address[](3);
tokens[0] = _DAI;
tokens[1] = _USDC;
tokens[2] = _USDT;
return tokens;
}
/// @notice Retrieves the list of tokens supported for redemptions by the adapter.
/// @dev No need to return the PIVOT_TOKEN here, so we have to return an empty list
/// @return tokens An array of addresses of tokens supported for redemptions.
function getAdapterTokensRedeem() external view returns (address[] memory tokens) {
return tokens;
}
}
"
},
"src/interfaces/IThUSDSwap.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;
/**
* @title ThUSDSwap
* @dev Interface for the thUSDSwap contract that allows swapping between stablecoins and thUSD at 1:1 value ratio
*/
interface IThUSDSwap {
/* errors */
/// @notice Error thrown when a zero amount is provided for a swap
error AmountZero();
/// @notice Error thrown when there's not enough thUSD liquidity to fulfill a swap
error InsufficientLiquidity();
/**
* @notice Returns the current thUSD balance of the contract
* @return The amount of thUSD tokens held by the contract
*/
function getThUSD() external view returns (uint256);
/* swap functions */
/**
* @notice Swap USDC (6 decimals) for thUSD (18 decimals) at a 1:1 value
* @param usdcAmount Amount of USDC to swap (units with 6 decimals)
*/
function swapUSDC(uint256 usdcAmount) external;
/**
* @notice Swap USDT (6 decimals) for thUSD (18 decimals) at a 1:1 value
* @param usdtAmount Amount of USDT to swap (units with 6 decimals)
*/
function swapUSDT(uint256 usdtAmount) external;
/**
* @notice Swap DAI (18 decimals) for thUSD (18 decimals) at a 1:1 value
* @param daiAmount Amount of DAI to swap (units with 18 decimals)
*/
function swapDAI(uint256 daiAmount) external;
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)
pragma solidity >=0.4.16;
/**
* @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);
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (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 Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(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);
}
}
"
},
"src/interfaces/IStandardizedYieldAdapter.sol": {
"content": "// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.0;
/**
*/
interface IStandardizedYieldAdapter {
/**
* @notice Retrieves the address of the pivot token.
* @return pivotToken The address of the pivot token.
*/
function PIVOT_TOKEN() external view returns (address pivotToken);
/**
* @notice Converts a specified amount of an input token to pivotToken.
* @dev This function should expect the token has already been transferred to the adapter.
* @param tokenIn The address of the input token.
* @param amountTokenIn The amount of the input token to convert.
* @return amountOut The amount of the pivot token.
*/
function convertToDeposit(address tokenIn, uint256 amountTokenIn) external returns (uint256 amountOut);
/**
* @notice Converts pivotToken to the token requested for redemption.
* @dev This function should expect pivotToken has already been transferred to the adapter.
* @param tokenOut The address of the output token.
* @param amountPivotTokenIn The amount of pivot token to convert.
* @return amountOut The amount of the output token out.
*/
function convertToRedeem(address tokenOut, uint256 amountPivotTokenIn) external returns (uint256 amountOut);
/**
* @notice Previews the conversion of a specified amount of an input token to pivotToken.
* @param tokenIn The address of the input token.
* @param amountTokenIn The amount of the input token to convert.
* @return amountOut The estimated amount of the pivot token.
*/
function previewConvertToDeposit(address tokenIn, uint256 amountTokenIn) external view returns (uint256 amountOut);
/**
* @notice Previews the conversion of pivot token to the amount requested for redemption.
* @param tokenOut The address of the output token.
* @param amountPivotTokenIn The amount of pivot token to convert.
* @return amountOut The estimated amount of the output token out.
*/
function previewConvertToRedeem(address tokenOut, uint256 amountPivotTokenIn)
external
view
returns (uint256 amountOut);
/**
* @notice Retrieves the list of tokens supported for deposits by the adapter.
* @return tokens An array of addresses of tokens supported for deposits.
*/
function getAdapterTokensDeposit() external view returns (address[] memory tokens);
/**
* @notice Retrieves the list of tokens supported for redemptions by the adapter.
* @return tokens An array of addresses of tokens supported for redemptions.
*/
function getAdapterTokensRedeem() external view returns (address[] memory tokens);
}
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC1363.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)
pragma solidity >=0.6.2;
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);
}
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)
pragma solidity >=0.4.16;
import {IERC20} from "../token/ERC20/IERC20.sol";
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)
pragma solidity >=0.4.16;
import {IERC165} from "../utils/introspection/IERC165.sol";
"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)
pragma solidity >=0.4.16;
/**
* @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);
}
"
}
},
"settings": {
"remappings": [
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/"
],
"optimizer": {
"enabled": false,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "prague",
"viaIR": false
}
}}
Submitted on: 2025-11-07 12:42:28
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