Contract

/**
 *Submitted for verification at testnet.ftmscan.com on 2022-06-20
*/

// Root file: src/gas-receiver/AxelarGasReceiverProxy.sol

// SPDX-License-Identifier: MIT

pragma solidity 0.8.9;

contract AxelarGasReceiverProxy {
    error SetupFailed();
    error EtherNotAccepted();

    // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    constructor(address gasReceiverImplementation, bytes memory params) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(_IMPLEMENTATION_SLOT, gasReceiverImplementation)
        }
        // solhint-disable-next-line avoid-low-level-calls
        (bool success, ) = gasReceiverImplementation.delegatecall(
            //0x9ded06df is the setup selector.
            abi.encodeWithSelector(0x9ded06df, params)
        );

        if (!success) revert SetupFailed();
    }

    function implementation() public view returns (address implementation_) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            implementation_ := sload(_IMPLEMENTATION_SLOT)
        }
    }

    // solhint-disable-next-line no-empty-blocks
    function setup(bytes calldata data) public {}

    // solhint-disable-next-line no-complex-fallback
    fallback() external payable {
        address implementaion_ = implementation();
        // solhint-disable-next-line no-inline-assembly
        assembly {
            calldatacopy(0, 0, calldatasize())

            let result := delegatecall(gas(), implementaion_, 0, calldatasize(), 0, 0)
            returndatacopy(0, 0, returndatasize())

            switch result
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    receive() external payable {
        revert EtherNotAccepted();
    }
}

[{"inputs":[{"internalType":"address","name":"gasReceiverImplementation","type":"address"},{"internalType":"bytes","name":"params","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"EtherNotAccepted","type":"error"},{"inputs":[],"name":"SetupFailed","type":"error"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"implementation_","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"data","type":"bytes"}],"name":"setup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

000000000000000000000000cd6b34faf1fd1056c728a27426ab6807f84baa1b000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000200000000000000000000000005b593e7b1725dc6fcbbfe80b2415b19153f94a85

-----Decoded View---------------
Arg [0] : gasReceiverImplementation (address): 0xCD6b34FaF1FD1056C728A27426AB6807f84BAa1b
Arg [1] : params (bytes): 0x0000000000000000000000005b593e7b1725dc6fcbbfe80b2415b19153f94a85

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000cd6b34faf1fd1056c728a27426ab6807f84baa1b
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [3] : 0000000000000000000000005b593e7b1725dc6fcbbfe80b2415b19153f94a85

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ipfs://203d39a48f71cd482da7178f46b63c2ea4e679297ac50f0f3aa1c5a5076b40e4