Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Is this a proxy?
• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IERC20 } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/interfaces/IERC20.sol';
import { SafeTokenTransfer, SafeTokenTransferFrom } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/libs/SafeTransfer.sol';
import { SafeNativeTransfer } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/libs/SafeNativeTransfer.sol';
import { IAxelarGasService } from '../interfaces/IAxelarGasService.sol';
import { Upgradable } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/upgradable/Upgradable.sol';

/**
 * @title AxelarGasService
 * @notice This contract manages gas payments and refunds for cross-chain communication on the Axelar network.
 * @dev The owner address of this contract should be the microservice that pays for gas.
 * @dev Users pay gas for cross-chain calls, and the gasCollector can collect accumulated fees and/or refund users if needed.
 */
contract AxelarGasService is Upgradable, IAxelarGasService {
    using SafeTokenTransfer for IERC20;
    using SafeTokenTransferFrom for IERC20;
    using SafeNativeTransfer for address payable;

    address public immutable gasCollector;

    /**
     * @notice Constructs the AxelarGasService contract.
     * @param gasCollector_ The address of the gas collector
     */
    constructor(address gasCollector_) {
        gasCollector = gasCollector_;
    }

    /**
     * @notice Modifier that ensures the caller is the designated gas collector.
     */
    modifier onlyCollector() {
        if (msg.sender != gasCollector) revert NotCollector();

        _;
    }

    /**
     * @notice Pay for gas using ERC20 tokens for a contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForContractCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit GasPaidForContractCall(
            sender,
            destinationChain,
            destinationAddress,
            keccak256(payload),
            gasToken,
            gasFeeAmount,
            refundAddress
        );

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Pay for gas using ERC20 tokens for a contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForContractCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string memory symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit GasPaidForContractCallWithToken(
            sender,
            destinationChain,
            destinationAddress,
            keccak256(payload),
            symbol,
            amount,
            gasToken,
            gasFeeAmount,
            refundAddress
        );

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Pay for gas using native currency for a contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForContractCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address refundAddress
    ) external payable override {
        emit NativeGasPaidForContractCall(sender, destinationChain, destinationAddress, keccak256(payload), msg.value, refundAddress);
    }

    /**
     * @notice Pay for gas using native currency for a contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForContractCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address refundAddress
    ) external payable override {
        emit NativeGasPaidForContractCallWithToken(
            sender,
            destinationChain,
            destinationAddress,
            keccak256(payload),
            symbol,
            amount,
            msg.value,
            refundAddress
        );
    }

    /**
     * @notice Pay for gas using ERC20 tokens for an express contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to express execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForExpressCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit GasPaidForExpressCall(sender, destinationChain, destinationAddress, keccak256(payload), gasToken, gasFeeAmount, refundAddress);

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Pay for gas using ERC20 tokens for an express contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to express execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForExpressCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string memory symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit GasPaidForExpressCallWithToken(
            sender,
            destinationChain,
            destinationAddress,
            keccak256(payload),
            symbol,
            amount,
            gasToken,
            gasFeeAmount,
            refundAddress
        );

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Pay for gas using native currency for an express contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForExpressCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address refundAddress
    ) external payable override {
        emit NativeGasPaidForExpressCall(sender, destinationChain, destinationAddress, keccak256(payload), msg.value, refundAddress);
    }

    /**
     * @notice Pay for gas using native currency for an express contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForExpressCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address refundAddress
    ) external payable override {
        emit NativeGasPaidForExpressCallWithToken(
            sender,
            destinationChain,
            destinationAddress,
            keccak256(payload),
            symbol,
            amount,
            msg.value,
            refundAddress
        );
    }

    /**
     * @notice Add additional gas payment using ERC20 tokens after initiating a cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param gasToken The ERC20 token address used to add gas
     * @param gasFeeAmount The amount of tokens to add as gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addGas(
        bytes32 txHash,
        uint256 logIndex,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit GasAdded(txHash, logIndex, gasToken, gasFeeAmount, refundAddress);

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Add additional gas payment using native currency after initiating a cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addNativeGas(
        bytes32 txHash,
        uint256 logIndex,
        address refundAddress
    ) external payable override {
        emit NativeGasAdded(txHash, logIndex, msg.value, refundAddress);
    }

    /**
     * @notice Add additional gas payment using ERC20 tokens after initiating an express cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to express execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param gasToken The ERC20 token address used to add gas
     * @param gasFeeAmount The amount of tokens to add as gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addExpressGas(
        bytes32 txHash,
        uint256 logIndex,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external override {
        emit ExpressGasAdded(txHash, logIndex, gasToken, gasFeeAmount, refundAddress);

        IERC20(gasToken).safeTransferFrom(msg.sender, address(this), gasFeeAmount);
    }

    /**
     * @notice Add additional gas payment using native currency after initiating an express cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to express execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addNativeExpressGas(
        bytes32 txHash,
        uint256 logIndex,
        address refundAddress
    ) external payable override {
        emit NativeExpressGasAdded(txHash, logIndex, msg.value, refundAddress);
    }

    /**
     * @notice Allows the gasCollector to collect accumulated fees from the contract.
     * @dev Use address(0) as the token address for native currency.
     * @param receiver The address to receive the collected fees
     * @param tokens Array of token addresses to be collected
     * @param amounts Array of amounts to be collected for each respective token address
     */
    function collectFees(
        address payable receiver,
        address[] calldata tokens,
        uint256[] calldata amounts
    ) external onlyCollector {
        if (receiver == address(0)) revert InvalidAddress();

        uint256 tokensLength = tokens.length;
        if (tokensLength != amounts.length) revert InvalidAmounts();

        for (uint256 i; i < tokensLength; i++) {
            address token = tokens[i];
            uint256 amount = amounts[i];
            if (amount == 0) revert InvalidAmounts();

            if (token == address(0)) {
                if (amount <= address(this).balance) receiver.safeNativeTransfer(amount);
            } else {
                // slither-disable-next-line calls-loop
                if (amount <= IERC20(token).balanceOf(address(this))) IERC20(token).safeTransfer(receiver, amount);
            }
        }
    }

    /**
     * @dev Deprecated refund function, kept for backward compatibility.
     */
    function refund(
        address payable receiver,
        address token,
        uint256 amount
    ) external onlyCollector {
        _refund(bytes32(0), 0, receiver, token, amount);
    }

    /**
     * @notice Refunds gas payment to the receiver in relation to a specific cross-chain transaction.
     * @dev Only callable by the gasCollector.
     * @dev Use address(0) as the token address to refund native currency.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param receiver The address to receive the refund
     * @param token The token address to be refunded
     * @param amount The amount to refund
     */
    function refund(
        bytes32 txHash,
        uint256 logIndex,
        address payable receiver,
        address token,
        uint256 amount
    ) external onlyCollector {
        _refund(txHash, logIndex, receiver, token, amount);
    }

    /**
     * @dev Internal function to implement gas refund logic.
     */
    function _refund(
        bytes32 txHash,
        uint256 logIndex,
        address payable receiver,
        address token,
        uint256 amount
    ) private {
        if (receiver == address(0)) revert InvalidAddress();

        emit Refunded(txHash, logIndex, receiver, token, amount);

        if (token == address(0)) {
            receiver.safeNativeTransfer(amount);
        } else {
            IERC20(token).safeTransfer(receiver, amount);
        }
    }

    /**
     * @notice Returns a unique identifier for the contract.
     * @return bytes32 Hash of the contract identifier
     */
    function contractId() external pure returns (bytes32) {
        return keccak256('axelar-gas-service');
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

// General interface for upgradable contracts
interface IContractIdentifier {
    /**
     * @notice Returns the contract ID. It can be used as a check during upgrades.
     * @dev Meant to be overridden in derived contracts.
     * @return bytes32 The contract ID
     */
    function contractId() external pure returns (bytes32);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    error InvalidAccount();

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) 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 `amount` 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 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IContractIdentifier } from './IContractIdentifier.sol';

interface IImplementation is IContractIdentifier {
    error NotProxy();

    function setup(bytes calldata data) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @title IOwnable Interface
 * @notice IOwnable is an interface that abstracts the implementation of a
 * contract with ownership control features. It's commonly used in upgradable
 * contracts and includes the functionality to get current owner, transfer
 * ownership, and propose and accept ownership.
 */
interface IOwnable {
    error NotOwner();
    error InvalidOwner();
    error InvalidOwnerAddress();

    event OwnershipTransferStarted(address indexed newOwner);
    event OwnershipTransferred(address indexed newOwner);

    /**
     * @notice Returns the current owner of the contract.
     * @return address The address of the current owner
     */
    function owner() external view returns (address);

    /**
     * @notice Returns the address of the pending owner of the contract.
     * @return address The address of the pending owner
     */
    function pendingOwner() external view returns (address);

    /**
     * @notice Transfers ownership of the contract to a new address
     * @param newOwner The address to transfer ownership to
     */
    function transferOwnership(address newOwner) external;

    /**
     * @notice Proposes to transfer the contract's ownership to a new address.
     * The new owner needs to accept the ownership explicitly.
     * @param newOwner The address to transfer ownership to
     */
    function proposeOwnership(address newOwner) external;

    /**
     * @notice Transfers ownership to the pending owner.
     * @dev Can only be called by the pending owner
     */
    function acceptOwnership() external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IOwnable } from './IOwnable.sol';
import { IImplementation } from './IImplementation.sol';

// General interface for upgradable contracts
interface IUpgradable is IOwnable, IImplementation {
    error InvalidCodeHash();
    error InvalidImplementation();
    error SetupFailed();

    event Upgraded(address indexed newImplementation);

    function implementation() external view returns (address);

    function upgrade(
        address newImplementation,
        bytes32 newImplementationCodeHash,
        bytes calldata params
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

error NativeTransferFailed();

/*
 * @title SafeNativeTransfer
 * @dev This library is used for performing safe native value transfers in Solidity by utilizing inline assembly.
 */
library SafeNativeTransfer {
    /*
     * @notice Perform a native transfer to a given address.
     * @param receiver The recipient address to which the amount will be sent.
     * @param amount The amount of native value to send.
     * @throws NativeTransferFailed error if transfer is not successful.
     */
    function safeNativeTransfer(address receiver, uint256 amount) internal {
        bool success;

        assembly {
            success := call(gas(), receiver, amount, 0, 0, 0, 0)
        }

        if (!success) revert NativeTransferFailed();
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IERC20 } from '../interfaces/IERC20.sol';

error TokenTransferFailed();

/*
 * @title SafeTokenCall
 * @dev This library is used for performing safe token transfers.
 */
library SafeTokenCall {
    /*
     * @notice Make a safe call to a token contract.
     * @param token The token contract to interact with.
     * @param callData The function call data.
     * @throws TokenTransferFailed error if transfer of token is not successful.
     */
    function safeCall(IERC20 token, bytes memory callData) internal {
        (bool success, bytes memory returnData) = address(token).call(callData);
        bool transferred = success && (returnData.length == uint256(0) || abi.decode(returnData, (bool)));

        if (!transferred || address(token).code.length == 0) revert TokenTransferFailed();
    }
}

/*
 * @title SafeTokenTransfer
 * @dev This library safely transfers tokens from the contract to a recipient.
 */
library SafeTokenTransfer {
    /*
     * @notice Transfer tokens to a recipient.
     * @param token The token contract.
     * @param receiver The recipient of the tokens.
     * @param amount The amount of tokens to transfer.
     */
    function safeTransfer(
        IERC20 token,
        address receiver,
        uint256 amount
    ) internal {
        SafeTokenCall.safeCall(token, abi.encodeWithSelector(IERC20.transfer.selector, receiver, amount));
    }
}

/*
 * @title SafeTokenTransferFrom
 * @dev This library helps to safely transfer tokens on behalf of a token holder.
 */
library SafeTokenTransferFrom {
    /*
     * @notice Transfer tokens on behalf of a token holder.
     * @param token The token contract.
     * @param from The address of the token holder.
     * @param to The address the tokens are to be sent to.
     * @param amount The amount of tokens to be transferred.
     */
    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 amount
    ) internal {
        SafeTokenCall.safeCall(token, abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, amount));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IImplementation } from '../interfaces/IImplementation.sol';

/**
 * @title Implementation
 * @notice This contract serves as a base for other contracts and enforces a proxy-first access restriction.
 * @dev Derived contracts must implement the setup function.
 */
abstract contract Implementation is IImplementation {
    address private immutable implementationAddress;

    /**
     * @dev Contract constructor that sets the implementation address to the address of this contract.
     */
    constructor() {
        implementationAddress = address(this);
    }

    /**
     * @dev Modifier to require the caller to be the proxy contract.
     * Reverts if the caller is the current contract (i.e., the implementation contract itself).
     */
    modifier onlyProxy() {
        if (implementationAddress == address(this)) revert NotProxy();
        _;
    }

    /**
     * @notice Initializes contract parameters.
     * This function is intended to be overridden by derived contracts.
     * The overriding function must have the onlyProxy modifier.
     * @param params The parameters to be used for initialization
     */
    function setup(bytes calldata params) external virtual;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IImplementation } from '../interfaces/IImplementation.sol';
import { IUpgradable } from '../interfaces/IUpgradable.sol';
import { Ownable } from '../utils/Ownable.sol';
import { Implementation } from './Implementation.sol';

/**
 * @title Upgradable Contract
 * @notice This contract provides an interface for upgradable smart contracts and includes the functionality to perform upgrades.
 */
abstract contract Upgradable is Ownable, Implementation, IUpgradable {
    // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @notice Constructor sets the implementation address to the address of the contract itself
     * @dev This is used in the onlyProxy modifier to prevent certain functions from being called directly
     * on the implementation contract itself.
     * @dev The owner is initially set as address(1) because the actual owner is set within the proxy. It is not
     * set as the zero address because Ownable is designed to throw an error for ownership transfers to the zero address.
     */
    constructor() Ownable(address(1)) {}

    /**
     * @notice Returns the address of the current implementation
     * @return implementation_ Address of the current implementation
     */
    function implementation() public view returns (address implementation_) {
        assembly {
            implementation_ := sload(_IMPLEMENTATION_SLOT)
        }
    }

    /**
     * @notice Upgrades the contract to a new implementation
     * @param newImplementation The address of the new implementation contract
     * @param newImplementationCodeHash The codehash of the new implementation contract
     * @param params Optional setup parameters for the new implementation contract
     * @dev This function is only callable by the owner.
     */
    function upgrade(
        address newImplementation,
        bytes32 newImplementationCodeHash,
        bytes calldata params
    ) external override onlyOwner {
        if (IUpgradable(newImplementation).contractId() != IUpgradable(implementation()).contractId())
            revert InvalidImplementation();

        if (newImplementationCodeHash != newImplementation.codehash) revert InvalidCodeHash();

        emit Upgraded(newImplementation);

        if (params.length > 0) {
            // slither-disable-next-line controlled-delegatecall
            (bool success, ) = newImplementation.delegatecall(abi.encodeWithSelector(this.setup.selector, params));

            if (!success) revert SetupFailed();
        }

        assembly {
            sstore(_IMPLEMENTATION_SLOT, newImplementation)
        }
    }

    /**
     * @notice Sets up the contract with initial data
     * @param data Initialization data for the contract
     * @dev This function is only callable by the proxy contract.
     */
    function setup(bytes calldata data) external override(IImplementation, Implementation) onlyProxy {
        _setup(data);
    }

    /**
     * @notice Internal function to set up the contract with initial data
     * @param data Initialization data for the contract
     * @dev This function should be implemented in derived contracts.
     */
    function _setup(bytes calldata data) internal virtual {}
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IOwnable } from '../interfaces/IOwnable.sol';

/**
 * @title Ownable
 * @notice A 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 owner account is set through ownership transfer. This module makes
 * it possible to transfer the ownership of the contract to a new account in one
 * step, as well as to an interim pending owner. In the second flow the ownership does not
 * change until the pending owner accepts the ownership transfer.
 */
abstract contract Ownable is IOwnable {
    // keccak256('owner')
    bytes32 internal constant _OWNER_SLOT = 0x02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c0;
    // keccak256('ownership-transfer')
    bytes32 internal constant _OWNERSHIP_TRANSFER_SLOT =
        0x9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d1;

    /**
     * @notice Initializes the contract by transferring ownership to the owner parameter.
     * @param _owner Address to set as the initial owner of the contract
     */
    constructor(address _owner) {
        _transferOwnership(_owner);
    }

    /**
     * @notice Modifier that throws an error if called by any account other than the owner.
     */
    modifier onlyOwner() {
        if (owner() != msg.sender) revert NotOwner();

        _;
    }

    /**
     * @notice Returns the current owner of the contract.
     * @return owner_ The current owner of the contract
     */
    function owner() public view returns (address owner_) {
        assembly {
            owner_ := sload(_OWNER_SLOT)
        }
    }

    /**
     * @notice Returns the pending owner of the contract.
     * @return owner_ The pending owner of the contract
     */
    function pendingOwner() public view returns (address owner_) {
        assembly {
            owner_ := sload(_OWNERSHIP_TRANSFER_SLOT)
        }
    }

    /**
     * @notice Transfers ownership of the contract to a new account `newOwner`.
     * @dev Can only be called by the current owner.
     * @param newOwner The address to transfer ownership to
     */
    function transferOwnership(address newOwner) external virtual onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @notice Propose to transfer ownership of the contract to a new account `newOwner`.
     * @dev Can only be called by the current owner. The ownership does not change
     * until the new owner accepts the ownership transfer.
     * @param newOwner The address to transfer ownership to
     */
    function proposeOwnership(address newOwner) external virtual onlyOwner {
        if (newOwner == address(0)) revert InvalidOwnerAddress();

        emit OwnershipTransferStarted(newOwner);

        assembly {
            sstore(_OWNERSHIP_TRANSFER_SLOT, newOwner)
        }
    }

    /**
     * @notice Accepts ownership of the contract.
     * @dev Can only be called by the pending owner
     */
    function acceptOwnership() external virtual {
        address newOwner = pendingOwner();
        if (newOwner != msg.sender) revert InvalidOwner();

        _transferOwnership(newOwner);
    }

    /**
     * @notice Internal function to transfer ownership of the contract to a new account `newOwner`.
     * @dev Called in the constructor to set the initial owner.
     * @param newOwner The address to transfer ownership to
     */
    function _transferOwnership(address newOwner) internal virtual {
        if (newOwner == address(0)) revert InvalidOwnerAddress();

        emit OwnershipTransferred(newOwner);

        assembly {
            sstore(_OWNER_SLOT, newOwner)
            sstore(_OWNERSHIP_TRANSFER_SLOT, 0)
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import { IUpgradable } from '@axelar-network/axelar-gmp-sdk-solidity/contracts/interfaces/IUpgradable.sol';

/**
 * @title IAxelarGasService Interface
 * @notice This is an interface for the AxelarGasService contract which manages gas payments
 * and refunds for cross-chain communication on the Axelar network.
 * @dev This interface inherits IUpgradable
 */
interface IAxelarGasService is IUpgradable {
    error InvalidAddress();
    error NotCollector();
    error InvalidAmounts();

    event GasPaidForContractCall(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event GasPaidForContractCallWithToken(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        string symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event NativeGasPaidForContractCall(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event NativeGasPaidForContractCallWithToken(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        string symbol,
        uint256 amount,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event GasPaidForExpressCall(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event GasPaidForExpressCallWithToken(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        string symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event NativeGasPaidForExpressCall(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event NativeGasPaidForExpressCallWithToken(
        address indexed sourceAddress,
        string destinationChain,
        string destinationAddress,
        bytes32 indexed payloadHash,
        string symbol,
        uint256 amount,
        uint256 gasFeeAmount,
        address refundAddress
    );

    event GasAdded(bytes32 indexed txHash, uint256 indexed logIndex, address gasToken, uint256 gasFeeAmount, address refundAddress);

    event NativeGasAdded(bytes32 indexed txHash, uint256 indexed logIndex, uint256 gasFeeAmount, address refundAddress);

    event ExpressGasAdded(bytes32 indexed txHash, uint256 indexed logIndex, address gasToken, uint256 gasFeeAmount, address refundAddress);

    event NativeExpressGasAdded(bytes32 indexed txHash, uint256 indexed logIndex, uint256 gasFeeAmount, address refundAddress);

    event Refunded(bytes32 indexed txHash, uint256 indexed logIndex, address payable receiver, address token, uint256 amount);

    /**
     * @notice Pay for gas using ERC20 tokens for a contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForContractCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Pay for gas using ERC20 tokens for a contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForContractCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Pay for gas using native currency for a contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForContractCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address refundAddress
    ) external payable;

    /**
     * @notice Pay for gas using native currency for a contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForContractCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address refundAddress
    ) external payable;

    /**
     * @notice Pay for gas using ERC20 tokens for an express contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to express execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForExpressCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Pay for gas using ERC20 tokens for an express contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to express execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param gasToken The address of the ERC20 token used to pay for gas
     * @param gasFeeAmount The amount of tokens to pay for gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payGasForExpressCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Pay for gas using native currency for an express contract call on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForExpressCall(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        address refundAddress
    ) external payable;

    /**
     * @notice Pay for gas using native currency for an express contract call with tokens on a destination chain.
     * @dev This function is called on the source chain before calling the gateway to execute a remote contract.
     * @param sender The address making the payment
     * @param destinationChain The target chain where the contract call with tokens will be made
     * @param destinationAddress The target address on the destination chain
     * @param payload Data payload for the contract call with tokens
     * @param symbol The symbol of the token to be sent with the call
     * @param amount The amount of tokens to be sent with the call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function payNativeGasForExpressCallWithToken(
        address sender,
        string calldata destinationChain,
        string calldata destinationAddress,
        bytes calldata payload,
        string calldata symbol,
        uint256 amount,
        address refundAddress
    ) external payable;

    /**
     * @notice Add additional gas payment using ERC20 tokens after initiating a cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param gasToken The ERC20 token address used to add gas
     * @param gasFeeAmount The amount of tokens to add as gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addGas(
        bytes32 txHash,
        uint256 logIndex,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Add additional gas payment using native currency after initiating a cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addNativeGas(
        bytes32 txHash,
        uint256 logIndex,
        address refundAddress
    ) external payable;

    /**
     * @notice Add additional gas payment using ERC20 tokens after initiating an express cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to express execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param gasToken The ERC20 token address used to add gas
     * @param gasFeeAmount The amount of tokens to add as gas
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addExpressGas(
        bytes32 txHash,
        uint256 logIndex,
        address gasToken,
        uint256 gasFeeAmount,
        address refundAddress
    ) external;

    /**
     * @notice Add additional gas payment using native currency after initiating an express cross-chain call.
     * @dev This function can be called on the source chain after calling the gateway to express execute a remote contract.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param refundAddress The address where refunds, if any, should be sent
     */
    function addNativeExpressGas(
        bytes32 txHash,
        uint256 logIndex,
        address refundAddress
    ) external payable;

    /**
     * @notice Allows the gasCollector to collect accumulated fees from the contract.
     * @dev Use address(0) as the token address for native currency.
     * @param receiver The address to receive the collected fees
     * @param tokens Array of token addresses to be collected
     * @param amounts Array of amounts to be collected for each respective token address
     */
    function collectFees(
        address payable receiver,
        address[] calldata tokens,
        uint256[] calldata amounts
    ) external;

    /**
     * @notice Refunds gas payment to the receiver in relation to a specific cross-chain transaction.
     * @dev Only callable by the gasCollector.
     * @dev Use address(0) as the token address to refund native currency.
     * @param txHash The transaction hash of the cross-chain call
     * @param logIndex The log index for the cross-chain call
     * @param receiver The address to receive the refund
     * @param token The token address to be refunded
     * @param amount The amount to refund
     */
    function refund(
        bytes32 txHash,
        uint256 logIndex,
        address payable receiver,
        address token,
        uint256 amount
    ) external;

    /**
     * @notice Returns the address of the designated gas collector.
     * @return address of the gas collector
     */
    function gasCollector() external returns (address);
}

{
  "evmVersion": "london",
  "optimizer": {
    "enabled": true,
    "runs": 1000,
    "details": {
      "peephole": true,
      "inliner": true,
      "jumpdestRemover": true,
      "orderLiterals": true,
      "deduplicate": true,
      "cse": true,
      "constantOptimizer": true,
      "yul": true,
      "yulDetails": {
        "stackAllocation": true
      }
    }
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"gasCollector_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"InvalidAddress","type":"error"},{"inputs":[],"name":"InvalidAmounts","type":"error"},{"inputs":[],"name":"InvalidCodeHash","type":"error"},{"inputs":[],"name":"InvalidImplementation","type":"error"},{"inputs":[],"name":"InvalidOwner","type":"error"},{"inputs":[],"name":"InvalidOwnerAddress","type":"error"},{"inputs":[],"name":"NativeTransferFailed","type":"error"},{"inputs":[],"name":"NotCollector","type":"error"},{"inputs":[],"name":"NotOwner","type":"error"},{"inputs":[],"name":"NotProxy","type":"error"},{"inputs":[],"name":"SetupFailed","type":"error"},{"inputs":[],"name":"TokenTransferFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"logIndex","type":"uint256"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"ExpressGasAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"logIndex","type":"uint256"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"GasAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"GasPaidForContractCall","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"GasPaidForContractCallWithToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"GasPaidForExpressCall","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"gasToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"GasPaidForExpressCallWithToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"logIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeExpressGasAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"logIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeGasAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeGasPaidForContractCall","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeGasPaidForContractCallWithToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeGasPaidForExpressCall","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sourceAddress","type":"address"},{"indexed":false,"internalType":"string","name":"destinationChain","type":"string"},{"indexed":false,"internalType":"string","name":"destinationAddress","type":"string"},{"indexed":true,"internalType":"bytes32","name":"payloadHash","type":"bytes32"},{"indexed":false,"internalType":"string","name":"symbol","type":"string"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"indexed":false,"internalType":"address","name":"refundAddress","type":"address"}],"name":"NativeGasPaidForExpressCallWithToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"txHash","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"logIndex","type":"uint256"},{"indexed":false,"internalType":"address payable","name":"receiver","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Refunded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newImplementation","type":"address"}],"name":"Upgraded","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txHash","type":"bytes32"},{"internalType":"uint256","name":"logIndex","type":"uint256"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"addExpressGas","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txHash","type":"bytes32"},{"internalType":"uint256","name":"logIndex","type":"uint256"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"addGas","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txHash","type":"bytes32"},{"internalType":"uint256","name":"logIndex","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"addNativeExpressGas","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txHash","type":"bytes32"},{"internalType":"uint256","name":"logIndex","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"addNativeGas","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address payable","name":"receiver","type":"address"},{"internalType":"address[]","name":"tokens","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"collectFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractId","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"gasCollector","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"implementation_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"owner_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payGasForContractCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payGasForContractCallWithToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payGasForExpressCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"gasToken","type":"address"},{"internalType":"uint256","name":"gasFeeAmount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payGasForExpressCallWithToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payNativeGasForContractCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payNativeGasForContractCallWithToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payNativeGasForExpressCall","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string","name":"destinationChain","type":"string"},{"internalType":"string","name":"destinationAddress","type":"string"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"refundAddress","type":"address"}],"name":"payNativeGasForExpressCallWithToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"owner_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"proposeOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"txHash","type":"bytes32"},{"internalType":"uint256","name":"logIndex","type":"uint256"},{"internalType":"address payable","name":"receiver","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"receiver","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"refund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"setup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes32","name":"newImplementationCodeHash","type":"bytes32"},{"internalType":"bytes","name":"params","type":"bytes"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60c06040523480156200001157600080fd5b50604051620020a2380380620020a28339810160408190526200003491620000fc565b6001620000418162000058565b50306080526001600160a01b031660a0526200012e565b6001600160a01b0381166200008057604051633649397d60e21b815260040160405180910390fd5b6040516001600160a01b038216907f04dba622d284ed0014ee4b9a6a68386be1a4c08a4913ae272de89199cc68616390600090a27f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c05560007f9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d155565b6000602082840312156200010f57600080fd5b81516001600160a01b03811681146200012757600080fd5b9392505050565b60805160a051611f39620001696000396000818161034501528181610560015281816108cb0152610ab401526000610b060152611f396000f3fe6080604052600436106101965760003560e01c8063892b5007116100e1578063c62c20021161008a578063edb6b3a511610064578063edb6b3a514610475578063f2fde38b14610495578063f61ed218146104b5578063fd09e3bd146104c857600080fd5b8063c62c20021461041b578063cd433ada1461042e578063e30c39781461044157600080fd5b8063a3499c73116100bb578063a3499c73146103bb578063ab1999ba146103db578063ba9ddc8d146103fb57600080fd5b8063892b5007146103335780638da5cb5b146103675780639ded06df1461039b57600080fd5b80634d2384891161014357806379ba50971161011d57806379ba5097146102c35780638291286c146102d857806382ad6f351461031357600080fd5b80634d238489146102435780635c60da1b14610256578063710bf322146102a357600080fd5b80632e9b7470116101745780632e9b7470146101f05780632edd2aa814610203578063365047211461022357600080fd5b80630c93e3bb1461019b5780631055eaaf146101b057806317a49f7c146101d0575b600080fd5b6101ae6101a9366004611566565b6104e8565b005b3480156101bc57600080fd5b506101ae6101cb36600461166b565b610555565b3480156101dc57600080fd5b506101ae6101eb366004611791565b61074f565b6101ae6101fe3660046118af565b6107db565b34801561020f57600080fd5b506101ae61021e3660046119a2565b610851565b34801561022f57600080fd5b506101ae61023e3660046119f8565b6108c0565b6101ae610251366004611a4a565b610915565b34801561026257600080fd5b507f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545b6040516001600160a01b0390911681526020015b60405180910390f35b3480156102af57600080fd5b506101ae6102be366004611a83565b610960565b3480156102cf57600080fd5b506101ae610a2f565b3480156102e457600080fd5b506040517ffaa2f015f2ce5aee225904728de2def86eb8837491efd21f1a04fc20d8e923f6815260200161029a565b34801561031f57600080fd5b506101ae61032e366004611aa7565b610aa9565b34801561033f57600080fd5b506102867f000000000000000000000000000000000000000000000000000000000000000081565b34801561037357600080fd5b507f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c054610286565b3480156103a757600080fd5b506101ae6103b6366004611ae8565b610b04565b3480156103c757600080fd5b506101ae6103d6366004611b2a565b610b6b565b3480156103e757600080fd5b506101ae6103f63660046119a2565b610ea8565b34801561040757600080fd5b506101ae610416366004611b86565b610ef7565b6101ae6104293660046118af565b610f7d565b6101ae61043c366004611a4a565b610fde565b34801561044d57600080fd5b507f9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d154610286565b34801561048157600080fd5b506101ae610490366004611791565b611020565b3480156104a157600080fd5b506101ae6104b0366004611a83565b611081565b6101ae6104c3366004611566565b6110d1565b3480156104d457600080fd5b506101ae6104e3366004611b86565b61112c565b82826040516104f8929190611c5e565b6040518091039020886001600160a01b03167f617332c1832058df6ee45fcbdf471251474c9945a8e5d229287a21a5f67ccf0a89898989348860405161054396959493929190611c97565b60405180910390a35050505050505050565b336001600160a01b037f0000000000000000000000000000000000000000000000000000000000000000161461059d57604051623bb10360e91b815260040160405180910390fd5b6001600160a01b0385166105c45760405163e6c4247b60e01b815260040160405180910390fd5b828181146105e557604051636c2b7e2d60e11b815260040160405180910390fd5b60005b8181101561074657600086868381811061060457610604611ce1565b90506020020160208101906106199190611a83565b9050600085858481811061062f5761062f611ce1565b905060200201359050806000141561065a57604051636c2b7e2d60e11b815260040160405180910390fd5b6001600160a01b03821661068757478111610682576106826001600160a01b038a1682611189565b610731565b6040517f70a082310000000000000000000000000000000000000000000000000000000081523060048201526001600160a01b038316906370a082319060240160206040518083038186803b1580156106df57600080fd5b505afa1580156106f3573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906107179190611cf7565b8111610731576107316001600160a01b0383168a836111ce565b5050808061073e90611d10565b9150506105e8565b50505050505050565b868660405161075f929190611c5e565b60405180910390208c6001600160a01b03167fda4ed638a7ffe9e814722efdb9ad6058c152c19c8564ceffe52e11dda1ca32238d8d8d8d8b8b8b8b8b6040516107b099989796959493929190611d65565b60405180910390a36107cd6001600160a01b038416333085611277565b505050505050505050505050565b85856040516107eb929190611c5e565b60405180910390208b6001600160a01b03167f8c092067e86e85e8cfbaf187202ef580cdfd7ec37fbec89191607de73ca800058c8c8c8c8a8a8a348b60405161083c99989796959493929190611dee565b60405180910390a35050505050505050505050565b604080516001600160a01b03808616825260208201859052831691810191909152849086907ff0b09bf969e7958967e0968e22596f647dd6efa09f4778e0393967b881f4b09f906060015b60405180910390a36108b96001600160a01b038416333085611277565b5050505050565b336001600160a01b037f0000000000000000000000000000000000000000000000000000000000000000161461090857604051623bb10360e91b815260040160405180910390fd5b6108b985858585856112ce565b604080513481526001600160a01b0383166020820152839185917fb26db521e067acd5c6e345ad92fa1ed06bc7fb2aedd68f35dc7a2e10d636fc9891015b60405180910390a3505050565b336109897f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c05490565b6001600160a01b0316146109b0576040516330cd747160e01b815260040160405180910390fd5b6001600160a01b0381166109d757604051633649397d60e21b815260040160405180910390fd5b6040516001600160a01b038216907fd9be0e8e07417e00f2521db636cb53e316fd288f5051f16d2aa2bf0c3938a87690600090a27f9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d155565b6000610a597f9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d15490565b90506001600160a01b0381163314610a9d576040517f49e27cff00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b610aa68161137e565b50565b336001600160a01b037f00000000000000000000000000000000000000000000000000000000000000001614610af157604051623bb10360e91b815260040160405180910390fd5b610aff6000808585856112ce565b505050565b7f00000000000000000000000000000000000000000000000000000000000000006001600160a01b0316301415610b67576040517fbf10dd3a00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5050565b33610b947f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c05490565b6001600160a01b031614610bbb576040516330cd747160e01b815260040160405180910390fd5b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc546001600160a01b0316638291286c6040518163ffffffff1660e01b815260040160206040518083038186803b158015610c1557600080fd5b505afa158015610c29573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c4d9190611cf7565b846001600160a01b0316638291286c6040518163ffffffff1660e01b815260040160206040518083038186803b158015610c8657600080fd5b505afa158015610c9a573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610cbe9190611cf7565b14610cf5576040517f68155f9a00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b836001600160a01b03163f8314610d38576040517f8f84fb2400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6040516001600160a01b038516907fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b90600090a28015610e81576000846001600160a01b0316639ded06df60e01b8484604051602401610d99929190611e55565b60408051601f198184030181529181526020820180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff167fffffffff00000000000000000000000000000000000000000000000000000000909416939093179092529051610e049190611e71565b600060405180830381855af49150503d8060008114610e3f576040519150601f19603f3d011682016040523d82523d6000602084013e610e44565b606091505b5050905080610e7f576040517f97905dfb00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b505b5050507f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc55565b604080516001600160a01b03808616825260208201859052831691810191909152849086907f2275e75614080f9782f72563c2c1688c901c5339c7f9f436d323f9386fed700a9060600161089c565b8484604051610f07929190611c5e565b60405180910390208a6001600160a01b03167fd171a7eb157e548ca493dd0a16016d125963a369ac5ae3c275ec12c96d5277028b8b8b8b898989604051610f549796959493929190611e8d565b60405180910390a3610f716001600160a01b038416333085611277565b50505050505050505050565b8585604051610f8d929190611c5e565b60405180910390208b6001600160a01b03167f999d431b58761213cf53af96262b67a069cbd963499fd8effd1e21556217b8418c8c8c8c8a8a8a348b60405161083c99989796959493929190611dee565b604080513481526001600160a01b0383166020820152839185917ffeb6b00343feee0f29a1a4345f8bf93ca1c73ee922248a4237a4e50d6447604e9101610953565b8686604051611030929190611c5e565b60405180910390208c6001600160a01b03167f8875f9764f28fa82d3e7ff1b80bd5c8f665e1f42fcd8c2faebc7c400a4ba1bbd8d8d8d8d8b8b8b8b8b6040516107b099989796959493929190611d65565b336110aa7f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c05490565b6001600160a01b031614610a9d576040516330cd747160e01b815260040160405180910390fd5b82826040516110e1929190611c5e565b6040518091039020886001600160a01b03167f5cf48f121a0fecaa2c4a64b3eaf482c8c308d5387e161535970f3e9e4363eff689898989348860405161054396959493929190611c97565b848460405161113c929190611c5e565b60405180910390208a6001600160a01b03167f99206760f0be19dd093729bd35e5924daff5e217bcedc5223ed067b60008cf8a8b8b8b8b898989604051610f549796959493929190611e8d565b600080600080600085875af1905080610aff576040517ff4b3b1bc00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6040516001600160a01b038316602482015260448101829052610aff9084907fa9059cbb00000000000000000000000000000000000000000000000000000000906064015b60408051601f198184030181529190526020810180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff167fffffffff0000000000000000000000000000000000000000000000000000000090931692909217909152611421565b6040516001600160a01b03808516602483015283166044820152606481018290526112c89085907f23b872dd0000000000000000000000000000000000000000000000000000000090608401611213565b50505050565b6001600160a01b0383166112f55760405163e6c4247b60e01b815260040160405180910390fd5b604080516001600160a01b03808616825284166020820152908101829052849086907fd5df103822011013c8c940930e5180419111c65abadd6525ca7e740d56b4703f9060600160405180910390a36001600160a01b03821661136a576113656001600160a01b03841682611189565b6108b9565b6108b96001600160a01b03831684836111ce565b6001600160a01b0381166113a557604051633649397d60e21b815260040160405180910390fd5b6040516001600160a01b038216907f04dba622d284ed0014ee4b9a6a68386be1a4c08a4913ae272de89199cc68616390600090a27f02016836a56b71f0d02689e69e326f4f4c1b9057164ef592671cf0d37c8040c05560007f9855384122b55936fbfb8ca5120e63c6537a1ac40caf6ae33502b3c5da8c87d155565b600080836001600160a01b03168360405161143c9190611e71565b6000604051808303816000865af19150503d8060008114611479576040519150601f19603f3d011682016040523d82523d6000602084013e61147e565b606091505b509150915060008280156114aa5750815115806114aa5750818060200190518101906114aa9190611ee1565b90508015806114c157506001600160a01b0385163b155b156108b9576040517f045c4b0200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6001600160a01b0381168114610aa657600080fd5b8035611518816114f8565b919050565b60008083601f84011261152f57600080fd5b50813567ffffffffffffffff81111561154757600080fd5b60208301915083602082850101111561155f57600080fd5b9250929050565b60008060008060008060008060a0898b03121561158257600080fd5b883561158d816114f8565b9750602089013567ffffffffffffffff808211156115aa57600080fd5b6115b68c838d0161151d565b909950975060408b01359150808211156115cf57600080fd5b6115db8c838d0161151d565b909750955060608b01359150808211156115f457600080fd5b506116018b828c0161151d565b9094509250506080890135611615816114f8565b809150509295985092959890939650565b60008083601f84011261163857600080fd5b50813567ffffffffffffffff81111561165057600080fd5b6020830191508360208260051b850101111561155f57600080fd5b60008060008060006060868803121561168357600080fd5b853561168e816114f8565b9450602086013567ffffffffffffffff808211156116ab57600080fd5b6116b789838a01611626565b909650945060408801359150808211156116d057600080fd5b506116dd88828901611626565b969995985093965092949392505050565b634e487b7160e01b600052604160045260246000fd5b600082601f83011261171557600080fd5b813567ffffffffffffffff80821115611730576117306116ee565b604051601f8301601f19908116603f01168101908282118183101715611758576117586116ee565b8160405283815286602085880101111561177157600080fd5b836020870160208301376000602085830101528094505050505092915050565b6000806000806000806000806000806000806101208d8f0312156117b457600080fd5b6117bd8d61150d565b9b5067ffffffffffffffff60208e013511156117d857600080fd5b6117e88e60208f01358f0161151d565b909b50995067ffffffffffffffff60408e0135111561180657600080fd5b6118168e60408f01358f0161151d565b909950975067ffffffffffffffff60608e0135111561183457600080fd5b6118448e60608f01358f0161151d565b909750955067ffffffffffffffff60808e0135111561186257600080fd5b6118728e60808f01358f01611704565b945060a08d0135935061188760c08e0161150d565b925060e08d0135915061189d6101008e0161150d565b90509295989b509295989b509295989b565b600080600080600080600080600080600060e08c8e0312156118d057600080fd5b6118d98c61150d565b9a5067ffffffffffffffff8060208e013511156118f557600080fd5b6119058e60208f01358f0161151d565b909b50995060408d013581101561191b57600080fd5b61192b8e60408f01358f0161151d565b909950975060608d013581101561194157600080fd5b6119518e60608f01358f0161151d565b909750955060808d013581101561196757600080fd5b506119788d60808e01358e0161151d565b909450925060a08c0135915061199060c08d0161150d565b90509295989b509295989b9093969950565b600080600080600060a086880312156119ba57600080fd5b853594506020860135935060408601356119d3816114f8565b92506060860135915060808601356119ea816114f8565b809150509295509295909350565b600080600080600060a08688031215611a1057600080fd5b85359450602086013593506040860135611a29816114f8565b92506060860135611a39816114f8565b949793965091946080013592915050565b600080600060608486031215611a5f57600080fd5b83359250602084013591506040840135611a78816114f8565b809150509250925092565b600060208284031215611a9557600080fd5b8135611aa0816114f8565b9392505050565b600080600060608486031215611abc57600080fd5b8335611ac7816114f8565b92506020840135611ad7816114f8565b929592945050506040919091013590565b60008060208385031215611afb57600080fd5b823567ffffffffffffffff811115611b1257600080fd5b611b1e8582860161151d565b90969095509350505050565b60008060008060608587031215611b4057600080fd5b8435611b4b816114f8565b935060208501359250604085013567ffffffffffffffff811115611b6e57600080fd5b611b7a8782880161151d565b95989497509550505050565b60008060008060008060008060008060e08b8d031215611ba557600080fd5b8a35611bb0816114f8565b995060208b013567ffffffffffffffff80821115611bcd57600080fd5b611bd98e838f0161151d565b909b50995060408d0135915080821115611bf257600080fd5b611bfe8e838f0161151d565b909950975060608d0135915080821115611c1757600080fd5b50611c248d828e0161151d565b90965094505060808b0135611c38816114f8565b925060a08b01359150611c4d60c08c0161150d565b90509295989b9194979a5092959850565b8183823760009101908152919050565b81835281816020850137506000828201602090810191909152601f909101601f19169091010190565b608081526000611cab60808301888a611c6e565b8281036020840152611cbe818789611c6e565b9150508360408301526001600160a01b0383166060830152979650505050505050565b634e487b7160e01b600052603260045260246000fd5b600060208284031215611d0957600080fd5b5051919050565b6000600019821415611d3257634e487b7160e01b600052601160045260246000fd5b5060010190565b60005b83811015611d54578181015183820152602001611d3c565b838111156112c85750506000910152565b60e081526000611d7960e083018b8d611c6e565b8281036020840152611d8c818a8c611c6e565b905082810360408401528751808252611dac816020840160208c01611d39565b60608401979097526001600160a01b03958616608084015260a083019490945250921660c0909201919091526020601f909201601f1916010195945050505050565b60c081526000611e0260c083018b8d611c6e565b8281036020840152611e15818a8c611c6e565b90508281036040840152611e2a81888a611c6e565b6060840196909652505060808101929092526001600160a01b031660a0909101529695505050505050565b602081526000611e69602083018486611c6e565b949350505050565b60008251611e83818460208701611d39565b9190910192915050565b60a081526000611ea160a08301898b611c6e565b8281036020840152611eb481888a611c6e565b6001600160a01b039687166040850152606084019590955250509216608090920191909152949350505050565b600060208284031215611ef357600080fd5b81518015158114611aa057600080fdfea26469706673582212205bea4548792d5e969db468efab61606ac6679ee26b5a75ed3cbb7288303b0b4f64736f6c634300080900330000000000000000000000007ddb2d76b80b0aa19bdea48eb1301182f4ceefbc

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

0000000000000000000000007ddb2d76b80b0aa19bdea48eb1301182f4ceefbc

-----Decoded View---------------
Arg [0] : gasCollector_ (address): 0x7DdB2d76b80B0AA19bDEa48EB1301182F4CeefbC

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000007ddb2d76b80b0aa19bdea48eb1301182f4ceefbc