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Transaction Hash
Method
Block
From
To
Value
Add Markets129143922024-04-08 23:15:3168 days ago1712618131IN
0x1A75DF59...72e5F5167
0 ETH0.000019120.08428409

Latest 2 internal transactions

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Parent Transaction Hash Block From To Value
129143842024-04-08 23:15:1568 days ago1712618115
0x1A75DF59...72e5F5167
0 ETH
129143842024-04-08 23:15:1568 days ago1712618115  Contract Creation0 ETH

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Contract Source Code Verified (Exact Match)

Contract Name:
StataTokenWrapper

Compiler Version
v0.8.23+commit.f704f362

Optimization Enabled:
Yes with 1000000 runs

Other Settings:
shanghai EvmVersion
File 1 of 4 : StataTokenWrapper.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

import "../interfaces/IStaticATokenLM.sol";
import "../interfaces/IWrapper.sol";

contract StataTokenWrapper is IWrapper {
    IStaticATokenFactory public immutable FACTORY;

    mapping(IERC20 => IERC20) public stataTokenToToken;
    mapping(IERC20 => IERC20) public tokenToStataToken;

    constructor(IStaticATokenFactory staticATokenFactory) {
        FACTORY = staticATokenFactory;
    }

    function addMarkets(IERC20[] memory tokens) external {
        unchecked {
            for (uint256 i = 0; i < tokens.length; i++) {
                IERC20 stataToken = IERC20(FACTORY.getStaticAToken(address(tokens[i])));
                if(stataToken == IERC20(address(0))) revert NotAddedMarket();
                stataTokenToToken[stataToken] = tokens[i];
                tokenToStataToken[tokens[i]] = stataToken;
            }
        }
    }

    function removeMarkets(IERC20[] memory tokens) external {
        unchecked {
            for (uint256 i = 0; i < tokens.length; i++) {
                IERC20 stataToken = IERC20(FACTORY.getStaticAToken(address(tokens[i])));
                if(stataToken == IERC20(address(0))) revert NotRemovedMarket();
                delete stataTokenToToken[stataToken];
                delete tokenToStataToken[tokens[i]];
            }
        }
    }

    function wrap(IERC20 token) external view override returns (IERC20 wrappedToken, uint256 rate) {
        IERC20 underlying = stataTokenToToken[token];
        IERC20 stataToken = tokenToStataToken[token];
        if (underlying != IERC20(address(0))) {
            return (underlying, IStaticATokenLM(address(token)).rate() / 1e9);
        } else if (stataToken != IERC20(address(0))) {
            return (stataToken, 1e45 / IStaticATokenLM(address(stataToken)).rate());
        } else {
            revert NotSupportedToken();
        }
    }
}

File 2 of 4 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
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);
}

File 3 of 4 : IStaticATokenLM.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

// STATA_TOKENS in AaveV3
interface IStaticATokenLM {
    function aToken() external view returns (IERC20);
    function rate() external view returns (uint256);
}

interface IStaticATokenFactory {
    function getStaticAToken(address underlying) external view returns (address);
    function getStaticATokens() external view returns (address[] memory);
}

File 4 of 4 : IWrapper.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IWrapper {
    error NotSupportedToken();
    error NotAddedMarket();
    error NotRemovedMarket();

    function wrap(IERC20 token) external view returns (IERC20 wrappedToken, uint256 rate);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000000
  },
  "evmVersion": "shanghai",
  "viaIR": true,
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IStaticATokenFactory","name":"staticATokenFactory","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NotAddedMarket","type":"error"},{"inputs":[],"name":"NotRemovedMarket","type":"error"},{"inputs":[],"name":"NotSupportedToken","type":"error"},{"inputs":[],"name":"FACTORY","outputs":[{"internalType":"contract IStaticATokenFactory","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"tokens","type":"address[]"}],"name":"addMarkets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"tokens","type":"address[]"}],"name":"removeMarkets","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"name":"stataTokenToToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"name":"tokenToStataToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"token","type":"address"}],"name":"wrap","outputs":[{"internalType":"contract IERC20","name":"wrappedToken","type":"address"},{"internalType":"uint256","name":"rate","type":"uint256"}],"stateMutability":"view","type":"function"}]

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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)

000000000000000000000000940f9a5d5f9ed264990d0eaee1f3dd60b4cb9a22

-----Decoded View---------------
Arg [0] : staticATokenFactory (address): 0x940F9a5d5F9ED264990D0eaee1F3DD60B4Cb9A22

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000940f9a5d5f9ed264990d0eaee1f3dd60b4cb9a22


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