Contract Source Code (Solidity Standard Json-Input format)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.7.6;

import "./ProxyStorage.sol";

contract BridgeProxy is ProxyStorage {

    event NewAdmin(address oldAdmin, address newAdmin);
    event NewImplementation(address oldImplementation, address newImplementation);

    constructor(
        address bridgeImplementation_,
        address _courier,
        address _guardian,
        address _bridgeToken,
        uint _fee,
        uint[] memory _newRoutes
    ) {
        // Set admin to caller
        admin = msg.sender;

        _setImplementation(bridgeImplementation_);

        // First delegate gets to initialize the delegator (i.e. storage contract)
        delegateTo(implementation, abi.encodeWithSignature("initialize(address,address,address,uint256,uint256[])",
            _courier,
            _guardian,
            _bridgeToken,
            _fee,
            _newRoutes)
        );
    }

    /**
     * @notice Internal method to delegate execution to another contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     * @param callee The contract to delegatecall
     * @param data The raw data to delegatecall
     * @return The returned bytes from the delegatecall
     */
    function delegateTo(address callee, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returnData) = callee.delegatecall(data);
        assembly {
            if eq(success, 0) {
                revert(add(returnData, 0x20), returndatasize())
            }
        }
        return returnData;
    }

    function delegateAndReturn() internal returns (bytes memory) {
        (bool success, ) = implementation.delegatecall(msg.data);

        assembly {
            let free_mem_ptr := mload(0x40)
            returndatacopy(free_mem_ptr, 0, returndatasize())

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

    /**
     * @notice Delegates execution to an implementation contract
     * @dev It returns to the external caller whatever the implementation returns or forwards reverts
     */
    fallback() external {
        // delegate all other functions to current implementation
        delegateAndReturn();
    }

    function setImplementation(address newImplementation) external returns (bool) {
        require(msg.sender == admin, 'BridgeProxy: Only admin can set implementation');

        address oldImplementation = implementation;
        _setImplementation(newImplementation);

        emit NewImplementation(oldImplementation, implementation);

        return true;
    }

    function _setPendingAdmin(address newPendingAdmin) public returns (bool) {
        // Check caller = admin
        require(msg.sender == admin, 'BridgeProxy: Only admin can set pending admin');

        // Store pendingAdmin with value newPendingAdmin
        pendingAdmin = newPendingAdmin;

        return true;
    }

    function _acceptAdmin() public returns (bool) {
        // Check caller is pendingAdmin
        require(msg.sender == pendingAdmin, 'BridgeProxy: Only pendingAdmin can accept admin');

        address oldAdmin = admin;

        // Store admin with value pendingAdmin
        admin = pendingAdmin;

        // Clear the pending value
        pendingAdmin = address(0);

        emit NewAdmin(oldAdmin, admin);

        return true;
    }

    function _setImplementation(address implementation_) internal {
        implementation = implementation_;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.6;

contract ProxyStorage {
    address public implementation;
    address public admin;
    address public pendingAdmin;
}

{
  "remappings": [],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

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[{"inputs":[{"internalType":"address","name":"bridgeImplementation_","type":"address"},{"internalType":"address","name":"_courier","type":"address"},{"internalType":"address","name":"_guardian","type":"address"},{"internalType":"address","name":"_bridgeToken","type":"address"},{"internalType":"uint256","name":"_fee","type":"uint256"},{"internalType":"uint256[]","name":"_newRoutes","type":"uint256[]"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"NewAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldImplementation","type":"address"},{"indexed":false,"internalType":"address","name":"newImplementation","type":"address"}],"name":"NewImplementation","type":"event"},{"stateMutability":"nonpayable","type":"fallback"},{"inputs":[],"name":"_acceptAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newPendingAdmin","type":"address"}],"name":"_setPendingAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"setImplementation","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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

-----Decoded View---------------
Arg [0] : bridgeImplementation_ (address): 0x17571BEA9cbaBd3A6998575c59CE284eBF037CB2
Arg [1] : _courier (address): 0xc0F936C5f4668E9A4e01dd9A3B39D619b75C4688
Arg [2] : _guardian (address): 0x6EBD066e2891922f3c1BfD426B2a49D5D0bc11C8
Arg [3] : _bridgeToken (address): 0xa8B61CfF52564758A204F841E636265bEBC8db9B
Arg [4] : _fee (uint256): 20000000000000000000
Arg [5] : _newRoutes (uint256[]): 56

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000017571bea9cbabd3a6998575c59ce284ebf037cb2
Arg [1] : 000000000000000000000000c0f936c5f4668e9a4e01dd9a3b39d619b75c4688
Arg [2] : 0000000000000000000000006ebd066e2891922f3c1bfd426b2a49d5d0bc11c8
Arg [3] : 000000000000000000000000a8b61cff52564758a204f841e636265bebc8db9b
Arg [4] : 000000000000000000000000000000000000000000000001158e460913d00000
Arg [5] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [7] : 0000000000000000000000000000000000000000000000000000000000000038