wormhole/web/contracts/Wormhole.json

{
  "contractName": "Wormhole",
  "abi": [
    {
      "inputs": [
        {
          "components": [
            {
              "internalType": "address[]",
              "name": "keys",
              "type": "address[]"
            },
            {
              "internalType": "uint32",
              "name": "expiration_time",
              "type": "uint32"
            }
          ],
          "internalType": "struct Wormhole.GuardianSet",
          "name": "initial_guardian_set",
          "type": "tuple"
        },
        {
          "internalType": "address",
          "name": "wrapped_asset_master",
          "type": "address"
        },
        {
          "internalType": "uint32",
          "name": "_vaa_expiry",
          "type": "uint32"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "internalType": "uint32",
          "name": "oldGuardianIndex",
          "type": "uint32"
        },
        {
          "indexed": false,
          "internalType": "uint32",
          "name": "newGuardianIndex",
          "type": "uint32"
        }
      ],
      "name": "LogGuardianSetChanged",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": false,
          "internalType": "uint8",
          "name": "target_chain",
          "type": "uint8"
        },
        {
          "indexed": false,
          "internalType": "uint8",
          "name": "token_chain",
          "type": "uint8"
        },
        {
          "indexed": true,
          "internalType": "bytes32",
          "name": "token",
          "type": "bytes32"
        },
        {
          "indexed": true,
          "internalType": "bytes32",
          "name": "sender",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "internalType": "bytes32",
          "name": "recipient",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "uint32",
          "name": "nonce",
          "type": "uint32"
        }
      ],
      "name": "LogTokensLocked",
      "type": "event"
    },
    {
      "stateMutability": "payable",
      "type": "fallback"
    },
    {
      "inputs": [],
      "name": "guardian_set_index",
      "outputs": [
        {
          "internalType": "uint32",
          "name": "",
          "type": "uint32"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "uint32",
          "name": "",
          "type": "uint32"
        }
      ],
      "name": "guardian_sets",
      "outputs": [
        {
          "internalType": "uint32",
          "name": "expiration_time",
          "type": "uint32"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "name": "isWrappedAsset",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "vaa_expiry",
      "outputs": [
        {
          "internalType": "uint32",
          "name": "",
          "type": "uint32"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "wrappedAssetMaster",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes32",
          "name": "",
          "type": "bytes32"
        }
      ],
      "name": "wrappedAssets",
      "outputs": [
        {
          "internalType": "address",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "stateMutability": "payable",
      "type": "receive"
    },
    {
      "inputs": [
        {
          "internalType": "uint32",
          "name": "idx",
          "type": "uint32"
        }
      ],
      "name": "getGuardianSet",
      "outputs": [
        {
          "components": [
            {
              "internalType": "address[]",
              "name": "keys",
              "type": "address[]"
            },
            {
              "internalType": "uint32",
              "name": "expiration_time",
              "type": "uint32"
            }
          ],
          "internalType": "struct Wormhole.GuardianSet",
          "name": "gs",
          "type": "tuple"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes",
          "name": "vaa",
          "type": "bytes"
        }
      ],
      "name": "submitVAA",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "asset",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "amount",
          "type": "uint256"
        },
        {
          "internalType": "bytes32",
          "name": "recipient",
          "type": "bytes32"
        },
        {
          "internalType": "uint8",
          "name": "target_chain",
          "type": "uint8"
        },
        {
          "internalType": "uint32",
          "name": "nonce",
          "type": "uint32"
        }
      ],
      "name": "lockAssets",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes32",
          "name": "recipient",
          "type": "bytes32"
        },
        {
          "internalType": "uint8",
          "name": "target_chain",
          "type": "uint8"
        },
        {
          "internalType": "uint32",
          "name": "nonce",
          "type": "uint32"
        }
      ],
      "name": "lockETH",
      "outputs": [],
      "stateMutability": "payable",
      "type": "function"
    }
  ],
  "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"components\":[{\"internalType\":\"address[]\",\"name\":\"keys\",\"type\":\"address[]\"},{\"internalType\":\"uint32\",\"name\":\"expiration_time\",\"type\":\"uint32\"}],\"internalType\":\"struct Wormhole.GuardianSet\",\"name\":\"initial_guardian_set\",\"type\":\"tuple\"},{\"internalType\":\"address\",\"name\":\"wrapped_asset_master\",\"type\":\"address\"},{\"internalType\":\"uint32\",\"name\":\"_vaa_expiry\",\"type\":\"uint32\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"oldGuardianIndex\",\"type\":\"uint32\"},{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"newGuardianIndex\",\"type\":\"uint32\"}],\"name\":\"LogGuardianSetChanged\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint8\",\"name\":\"target_chain\",\"type\":\"uint8\"},{\"indexed\":false,\"internalType\":\"uint8\",\"name\":\"token_chain\",\"type\":\"uint8\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"token\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"sender\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"recipient\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint32\",\"name\":\"nonce\",\"type\":\"uint32\"}],\"name\":\"LogTokensLocked\",\"type\":\"event\"},{\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"idx\",\"type\":\"uint32\"}],\"name\":\"getGuardianSet\",\"outputs\":[{\"components\":[{\"internalType\":\"address[]\",\"name\":\"keys\",\"type\":\"address[]\"},{\"internalType\":\"uint32\",\"name\":\"expiration_time\",\"type\":\"uint32\"}],\"internalType\":\"struct Wormhole.GuardianSet\",\"name\":\"gs\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"guardian_set_index\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"name\":\"guardian_sets\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"expiration_time\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"isWrappedAsset\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"recipient\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"target_chain\",\"type\":\"uint8\"},{\"internalType\":\"uint32\",\"name\":\"nonce\",\"type\":\"uint32\"}],\"name\":\"lockAssets\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"recipient\",\"type\":\"bytes32\"},{\"internalType\":\"uint8\",\"name\":\"target_chain\",\"type\":\"uint8\"},{\"internalType\":\"uint32\",\"name\":\"nonce\",\"type\":\"uint32\"}],\"name\":\"lockETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes\",\"name\":\"vaa\",\"type\":\"bytes\"}],\"name\":\"submitVAA\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"vaa_expiry\",\"outputs\":[{\"internalType\":\"uint32\",\"name\":\"\",\"type\":\"uint32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"wrappedAssetMaster\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"i
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  "source": "// contracts/Wormhole.sol\n// SPDX-License-Identifier: Apache 2\n\n// TODO(hendrik): switch-over feature\n\npragma solidity ^0.6.0;\npragma experimental ABIEncoderV2;\n\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/SafeERC20.sol\";\nimport \"@openzeppelin/contracts/math/SafeMath.sol\";\nimport \"@openzeppelin/contracts/utils/ReentrancyGuard.sol\";\nimport \"./BytesLib.sol\";\nimport \"./WrappedAsset.sol\";\n\ncontract Wormhole is ReentrancyGuard {\n    using SafeERC20 for IERC20;\n    using BytesLib for bytes;\n    using SafeMath for uint256;\n\n    // Address of the Wrapped asset template\n    address public wrappedAssetMaster;\n\n    // Chain ID of Ethereum\n    uint8 CHAIN_ID = 2;\n\n    // Address of the official WETH contract\n    address constant WETHAddress = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;\n\n    struct GuardianSet {\n        address[] keys;\n        uint32 expiration_time;\n    }\n\n    event LogGuardianSetChanged(\n        uint32 oldGuardianIndex,\n        uint32 newGuardianIndex\n    );\n\n    event LogTokensLocked(\n        uint8 target_chain,\n        uint8 token_chain,\n        bytes32 indexed token,\n        bytes32 indexed sender,\n        bytes32 recipient,\n        uint256 amount,\n        uint32 nonce\n    );\n\n    // Mapping of guardian_set_index => guardian set\n    mapping(uint32 => GuardianSet) public guardian_sets;\n    // Current active guardian set\n    uint32 public guardian_set_index;\n\n    // Period for which an vaa is valid in seconds\n    uint32 public vaa_expiry;\n\n    // Mapping of already consumedVAAs\n    mapping(bytes32 => bool) consumedVAAs;\n\n    // Mapping of wrapped asset ERC20 contracts\n    mapping(bytes32 => address) public wrappedAssets;\n    mapping(address => bool) public isWrappedAsset;\n\n    constructor(GuardianSet memory initial_guardian_set, address wrapped_asset_master, uint32 _vaa_expiry) public {\n        guardian_sets[0] = initial_guardian_set;\n        // Explicitly set for doc purposes\n        guardian_set_index = 0;\n        vaa_expiry = _vaa_expiry;\n\n        wrappedAssetMaster = wrapped_asset_master;\n    }\n\n    function getGuardianSet(uint32 idx) view public returns (GuardianSet memory gs) {\n        return guardian_sets[idx];\n    }\n\n    function submitVAA(\n        bytes calldata vaa\n    ) public nonReentrant {\n        uint8 version = vaa.toUint8(0);\n        require(version == 1, \"VAA version incompatible\");\n\n        // Load 4 bytes starting from index 1\n        uint32 vaa_guardian_set_index = vaa.toUint32(1);\n\n        uint256 len_signers = vaa.toUint8(5);\n        uint offset = 6 + 66 * len_signers;\n\n        // Load 4 bytes timestamp\n        uint32 timestamp = vaa.toUint32(offset);\n\n        // Verify that the VAA is still valid\n        require(timestamp + vaa_expiry > block.timestamp, \"VAA has expired\");\n\n        // Hash the body\n        bytes32 hash = keccak256(vaa.slice(offset, vaa.length - offset));\n        require(!consumedVAAs[hash], \"VAA was already executed\");\n\n        GuardianSet memory guardian_set = guardian_sets[vaa_guardian_set_index];\n        require(guardian_set.expiration_time == 0 || guardian_set.expiration_time > block.timestamp, \"guardian set has expired\");\n        require(guardian_set.keys.length * 3 / 4 + 1 <= len_signers, \"no quorum\");\n\n        for (uint i = 0; i < len_signers; i++) {\n            uint8 index = vaa.toUint8(6 + i * 66);\n            bytes32 r = vaa.toBytes32(7 + i * 66);\n            bytes32 s = vaa.toBytes32(39 + i * 66);\n            uint8 v = vaa.toUint8(71 + i * 66);\n            v += 27;\n            require(ecrecover(hash, v, r, s) == guardian_set.keys[index], \"VAA signature invalid\");\n        }\n\n        uint8 action = vaa.toUint8(offset + 4);\n        bytes memory payload = vaa.slice(offset + 5, vaa.length - (offset + 5));\n\n        // Process VAA\n        if (action == 0x01) {\n            require(vaa_guardian_set_index == guardian_set_index, \"only the current guardian set can ch
  "sourcePath": "/home/hhofstadt/Dev/certus/wormhole/ethereum/contracts/Wormhole.sol",
  "ast": {
    "absolutePath": "/home/hhofstadt/Dev/certus/wormhole/ethereum/contracts/Wormhole.sol",
    "exportedSymbols": {
      "WETH": [
        1181
      ],
      "Wormhole": [
        1170
      ]
    },
    "id": 1182,
    "license": "Apache 2",
    "nodeType": "SourceUnit",
    "nodes": [
      {
        "id": 335,
        "literals": [
          "solidity",
          "^",
          "0.6",
          ".0"
        ],
        "nodeType": "PragmaDirective",
        "src": "103:23:1"
      },
      {
        "id": 336,
        "literals": [
          "experimental",
          "ABIEncoderV2"
        ],
        "nodeType": "PragmaDirective",
        "src": "127:33:1"
      },
      {
        "absolutePath": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "file": "@openzeppelin/contracts/token/ERC20/IERC20.sol",
        "id": 337,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 2023,
        "src": "162:56:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/token/ERC20/SafeERC20.sol",
        "file": "@openzeppelin/contracts/token/ERC20/SafeERC20.sol",
        "id": 338,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 2236,
        "src": "219:59:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/math/SafeMath.sol",
        "file": "@openzeppelin/contracts/math/SafeMath.sol",
        "id": 339,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 1945,
        "src": "279:51:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "@openzeppelin/contracts/utils/ReentrancyGuard.sol",
        "file": "@openzeppelin/contracts/utils/ReentrancyGuard.sol",
        "id": 340,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 2480,
        "src": "331:59:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "/home/hhofstadt/Dev/certus/wormhole/ethereum/contracts/BytesLib.sol",
        "file": "./BytesLib.sol",
        "id": 341,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 334,
        "src": "391:24:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "absolutePath": "/home/hhofstadt/Dev/certus/wormhole/ethereum/contracts/WrappedAsset.sol",
        "file": "./WrappedAsset.sol",
        "id": 342,
        "nodeType": "ImportDirective",
        "scope": 1182,
        "sourceUnit": 1726,
        "src": "416:28:1",
        "symbolAliases": [],
        "unitAlias": ""
      },
      {
        "abstract": false,
        "baseContracts": [
          {
            "arguments": null,
            "baseName": {
              "contractScope": null,
              "id": 343,
              "name": "ReentrancyGuard",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 2479,
              "src": "467:15:1",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_ReentrancyGuard_$2479",
                "typeString": "contract ReentrancyGuard"
              }
            },
            "id": 344,
            "nodeType": "InheritanceSpecifier",
            "src": "467:15:1"
          }
        ],
        "contractDependencies": [
          2479
        ],
        "contractKind": "contract",
        "documentation": null,
        "fullyImplemented": true,
        "id": 1170,
        "linearizedBaseContracts": [
          1170,
          2479
        ],
        "name": "Wormhole",
        "nodeType": "ContractDefinition",
        "nodes": [
          {
            "id": 347,
            "libraryName": {
              "contractScope": null,
              "id": 345,
              "name": "SafeERC20",
              "nodeType": "UserDefinedTypeName",
              "referencedDeclaration": 2235,
              "src": "495:9:1",
              "typeDescriptions": {
                "typeIdentifier": "t_contract$_SafeERC20_$2235",
                "typeString": "library SafeERC20"
              }
            },
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