{
  "address": "0x901a629a72A5daF200fc359657f070b34bBfdd18",
  "abi": [
    {
      "inputs": [
        {
          "internalType": "address",
          "name": "_libAddressManager",
          "type": "address"
        },
        {
          "internalType": "uint256",
          "name": "_fraudProofWindow",
          "type": "uint256"
        },
        {
          "internalType": "uint256",
          "name": "_sequencerPublishWindow",
          "type": "uint256"
        }
      ],
      "stateMutability": "nonpayable",
      "type": "constructor"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "uint256",
          "name": "_batchIndex",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "bytes32",
          "name": "_batchRoot",
          "type": "bytes32"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_batchSize",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "uint256",
          "name": "_prevTotalElements",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "bytes",
          "name": "_extraData",
          "type": "bytes"
        }
      ],
      "name": "StateBatchAppended",
      "type": "event"
    },
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,
          "internalType": "uint256",
          "name": "_batchIndex",
          "type": "uint256"
        },
        {
          "indexed": false,
          "internalType": "bytes32",
          "name": "_batchRoot",
          "type": "bytes32"
        }
      ],
      "name": "StateBatchDeleted",
      "type": "event"
    },
    {
      "inputs": [],
      "name": "FRAUD_PROOF_WINDOW",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "SEQUENCER_PUBLISH_WINDOW",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes32[]",
          "name": "_batch",
          "type": "bytes32[]"
        },
        {
          "internalType": "uint256",
          "name": "_shouldStartAtElement",
          "type": "uint256"
        }
      ],
      "name": "appendStateBatch",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "batches",
      "outputs": [
        {
          "internalType": "contract iOVM_ChainStorageContainer",
          "name": "",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "batchIndex",
              "type": "uint256"
            },
            {
              "internalType": "bytes32",
              "name": "batchRoot",
              "type": "bytes32"
            },
            {
              "internalType": "uint256",
              "name": "batchSize",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "prevTotalElements",
              "type": "uint256"
            },
            {
              "internalType": "bytes",
              "name": "extraData",
              "type": "bytes"
            }
          ],
          "internalType": "struct Lib_OVMCodec.ChainBatchHeader",
          "name": "_batchHeader",
          "type": "tuple"
        }
      ],
      "name": "deleteStateBatch",
      "outputs": [],
      "stateMutability": "nonpayable",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "getLastSequencerTimestamp",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "_lastSequencerTimestamp",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "getTotalBatches",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "_totalBatches",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [],
      "name": "getTotalElements",
      "outputs": [
        {
          "internalType": "uint256",
          "name": "_totalElements",
          "type": "uint256"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "batchIndex",
              "type": "uint256"
            },
            {
              "internalType": "bytes32",
              "name": "batchRoot",
              "type": "bytes32"
            },
            {
              "internalType": "uint256",
              "name": "batchSize",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "prevTotalElements",
              "type": "uint256"
            },
            {
              "internalType": "bytes",
              "name": "extraData",
              "type": "bytes"
            }
          ],
          "internalType": "struct Lib_OVMCodec.ChainBatchHeader",
          "name": "_batchHeader",
          "type": "tuple"
        }
      ],
      "name": "insideFraudProofWindow",
      "outputs": [
        {
          "internalType": "bool",
          "name": "_inside",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "string",
          "name": "_name",
          "type": "string"
        }
      ],
      "name": "resolve",
      "outputs": [
        {
          "internalType": "address",
          "name": "_contract",
          "type": "address"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    },
    {
      "inputs": [
        {
          "internalType": "bytes32",
          "name": "_element",
          "type": "bytes32"
        },
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "batchIndex",
              "type": "uint256"
            },
            {
              "internalType": "bytes32",
              "name": "batchRoot",
              "type": "bytes32"
            },
            {
              "internalType": "uint256",
              "name": "batchSize",
              "type": "uint256"
            },
            {
              "internalType": "uint256",
              "name": "prevTotalElements",
              "type": "uint256"
            },
            {
              "internalType": "bytes",
              "name": "extraData",
              "type": "bytes"
            }
          ],
          "internalType": "struct Lib_OVMCodec.ChainBatchHeader",
          "name": "_batchHeader",
          "type": "tuple"
        },
        {
          "components": [
            {
              "internalType": "uint256",
              "name": "index",
              "type": "uint256"
            },
            {
              "internalType": "bytes32[]",
              "name": "siblings",
              "type": "bytes32[]"
            }
          ],
          "internalType": "struct Lib_OVMCodec.ChainInclusionProof",
          "name": "_proof",
          "type": "tuple"
        }
      ],
      "name": "verifyStateCommitment",
      "outputs": [
        {
          "internalType": "bool",
          "name": "",
          "type": "bool"
        }
      ],
      "stateMutability": "view",
      "type": "function"
    }
  ],
  "transactionHash": "0xb39654f6dfba167749e5ed12a67f10721f84abd56328a468a2a0ec665eeef725",
  "receipt": {
    "to": null,
    "from": "0x558ba9b8d78713fbf768c1f8a584485B4003f43F",
    "contractAddress": "0xE1A99Ff67B5c92502bA94b5337576de3624cb512",
    "transactionIndex": 0,
    "gasUsed": "1626450",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "blockHash": "0xdcbf3bbc2709ed51ce548a98413a3f341a8fc245c4a435e7570e9aee5d2d95f3",
    "transactionHash": "0xb39654f6dfba167749e5ed12a67f10721f84abd56328a468a2a0ec665eeef725",
    "logs": [],
    "blockNumber": 4573386,
    "cumulativeGasUsed": "1626450",
    "status": 1,
    "byzantium": true
  },
  "args": [
    "0x1De8CFD4C1A486200286073aE91DE6e8099519f1",
    604800,
    18000000
  ],
  "solcInputHash": "cebcb515c1a9c570d96e0b8f6fd237e2",
  "metadata": "{\"compiler\":{\"version\":\"0.7.6+commit.7338295f\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_libAddressManager\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_fraudProofWindow\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"_sequencerPublishWindow\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_batchIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"_batchRoot\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_batchSize\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"_prevTotalElements\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"_extraData\",\"type\":\"bytes\"}],\"name\":\"StateBatchAppended\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"_batchIndex\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"_batchRoot\",\"type\":\"bytes32\"}],\"name\":\"StateBatchDeleted\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"FRAUD_PROOF_WINDOW\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"SEQUENCER_PUBLISH_WINDOW\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32[]\",\"name\":\"_batch\",\"type\":\"bytes32[]\"},{\"internalType\":\"uint256\",\"name\":\"_shouldStartAtElement\",\"type\":\"uint256\"}],\"name\":\"appendStateBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"batches\",\"outputs\":[{\"internalType\":\"contract iOVM_ChainStorageContainer\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"batchIndex\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"batchRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"batchSize\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"prevTotalElements\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"internalType\":\"struct Lib_OVMCodec.ChainBatchHeader\",\"name\":\"_batchHeader\",\"type\":\"tuple\"}],\"name\":\"deleteStateBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getLastSequencerTimestamp\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"_lastSequencerTimestamp\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getTotalBatches\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"_totalBatches\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getTotalElements\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"_totalElements\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"batchIndex\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"batchRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"batchSize\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"prevTotalElements\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"internalType\":\"struct Lib_OVMCodec.ChainBatchHeader\",\"name\":\"_batchHeader\",\"type\":\"tuple\"}],\"name\":\"insideFraudProofWindow\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"_inside\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"_name\",\"type\":\"string\"}],\"name\":\"resolve\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"_contract\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_element\",\"type\":\"bytes32\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"batchIndex\",\"type\":\"uint256\"},{\"internalType\":\"bytes32\",\"name\":\"batchRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint256\",\"name\":\"batchSize\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"prevTotalElements\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"extraData\",\"type\":\"bytes\"}],\"internalType\":\"struct Lib_OVMCodec.ChainBatchHeader\",\"name\":\"_batchHeader\",\"type\":\"tuple\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"},{\"internalType\":\"bytes32[]\",\"name\":\"siblings\",\"type\":\"bytes32[]\"}],\"internalType\":\"struct Lib_OVMCodec.ChainInclusionProof\",\"name\":\"_proof\",\"type\":\"tuple\"}],\"name\":\"verifyStateCommitment\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"appendStateBatch(bytes32[],uint256)\":{\"params\":{\"_batch\":\"Batch of state roots.\",\"_shouldStartAtElement\":\"Index of the element at which this batch should start.\"}},\"batches()\":{\"returns\":{\"_0\":\"Reference to the batch storage container.\"}},\"constructor\":{\"params\":{\"_libAddressManager\":\"Address of the Address Manager.\"}},\"deleteStateBatch((uint256,bytes32,uint256,uint256,bytes))\":{\"params\":{\"_batchHeader\":\"Header of the batch to start deleting from.\"}},\"getLastSequencerTimestamp()\":{\"returns\":{\"_lastSequencerTimestamp\":\"Last sequencer batch timestamp.\"}},\"getTotalBatches()\":{\"returns\":{\"_totalBatches\":\"Total submitted batches.\"}},\"getTotalElements()\":{\"returns\":{\"_totalElements\":\"Total submitted elements.\"}},\"insideFraudProofWindow((uint256,bytes32,uint256,uint256,bytes))\":{\"params\":{\"_batchHeader\":\"Header of the batch to check.\"},\"returns\":{\"_inside\":\"Whether or not the batch is inside the fraud proof window.\"}},\"verifyStateCommitment(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]))\":{\"params\":{\"_batchHeader\":\"Header of the batch in which the element was included.\",\"_element\":\"Hash of the element to verify a proof for.\",\"_proof\":\"Merkle inclusion proof for the element.\"}}},\"title\":\"OVM_StateCommitmentChain\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"appendStateBatch(bytes32[],uint256)\":{\"notice\":\"Appends a batch of state roots to the chain.\"},\"batches()\":{\"notice\":\"Accesses the batch storage container.\"},\"deleteStateBatch((uint256,bytes32,uint256,uint256,bytes))\":{\"notice\":\"Deletes all state roots after (and including) a given batch.\"},\"getLastSequencerTimestamp()\":{\"notice\":\"Retrieves the timestamp of the last batch submitted by the sequencer.\"},\"getTotalBatches()\":{\"notice\":\"Retrieves the total number of batches submitted.\"},\"getTotalElements()\":{\"notice\":\"Retrieves the total number of elements submitted.\"},\"insideFraudProofWindow((uint256,bytes32,uint256,uint256,bytes))\":{\"notice\":\"Checks whether a given batch is still inside its fraud proof window.\"},\"verifyStateCommitment(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]))\":{\"notice\":\"Verifies a batch inclusion proof.\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol\":\"OVM_StateCommitmentChain\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/math/SafeMath.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity >=0.6.0 <0.8.0;\\n\\n/**\\n * @dev Wrappers over Solidity's arithmetic operations with added overflow\\n * checks.\\n *\\n * Arithmetic operations in Solidity wrap on overflow. This can easily result\\n * in bugs, because programmers usually assume that an overflow raises an\\n * error, which is the standard behavior in high level programming languages.\\n * `SafeMath` restores this intuition by reverting the transaction when an\\n * operation overflows.\\n *\\n * Using this library instead of the unchecked operations eliminates an entire\\n * class of bugs, so it's recommended to use it always.\\n */\\nlibrary SafeMath {\\n    /**\\n     * @dev Returns the addition of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        uint256 c = a + b;\\n        if (c < a) return (false, 0);\\n        return (true, c);\\n    }\\n\\n    /**\\n     * @dev Returns the substraction of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b > a) return (false, 0);\\n        return (true, a - b);\\n    }\\n\\n    /**\\n     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\\n        // benefit is lost if 'b' is also tested.\\n        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\\n        if (a == 0) return (true, 0);\\n        uint256 c = a * b;\\n        if (c / a != b) return (false, 0);\\n        return (true, c);\\n    }\\n\\n    /**\\n     * @dev Returns the division of two unsigned integers, with a division by zero flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b == 0) return (false, 0);\\n        return (true, a / b);\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.\\n     *\\n     * _Available since v3.4._\\n     */\\n    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\\n        if (b == 0) return (false, 0);\\n        return (true, a % b);\\n    }\\n\\n    /**\\n     * @dev Returns the addition of two unsigned integers, reverting on\\n     * overflow.\\n     *\\n     * Counterpart to Solidity's `+` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Addition cannot overflow.\\n     */\\n    function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n        uint256 c = a + b;\\n        require(c >= a, \\\"SafeMath: addition overflow\\\");\\n        return c;\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting on\\n     * overflow (when the result is negative).\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b <= a, \\\"SafeMath: subtraction overflow\\\");\\n        return a - b;\\n    }\\n\\n    /**\\n     * @dev Returns the multiplication of two unsigned integers, reverting on\\n     * overflow.\\n     *\\n     * Counterpart to Solidity's `*` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Multiplication cannot overflow.\\n     */\\n    function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n        if (a == 0) return 0;\\n        uint256 c = a * b;\\n        require(c / a == b, \\\"SafeMath: multiplication overflow\\\");\\n        return c;\\n    }\\n\\n    /**\\n     * @dev Returns the integer division of two unsigned integers, reverting on\\n     * division by zero. The result is rounded towards zero.\\n     *\\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n     * uses an invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b > 0, \\\"SafeMath: division by zero\\\");\\n        return a / b;\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n     * reverting when dividing by zero.\\n     *\\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\\n     * invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n        require(b > 0, \\\"SafeMath: modulo by zero\\\");\\n        return a % b;\\n    }\\n\\n    /**\\n     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\\n     * overflow (when the result is negative).\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {trySub}.\\n     *\\n     * Counterpart to Solidity's `-` operator.\\n     *\\n     * Requirements:\\n     *\\n     * - Subtraction cannot overflow.\\n     */\\n    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b <= a, errorMessage);\\n        return a - b;\\n    }\\n\\n    /**\\n     * @dev Returns the integer division of two unsigned integers, reverting with custom message on\\n     * division by zero. The result is rounded towards zero.\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {tryDiv}.\\n     *\\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\\n     * uses an invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b > 0, errorMessage);\\n        return a / b;\\n    }\\n\\n    /**\\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\\n     * reverting with custom message when dividing by zero.\\n     *\\n     * CAUTION: This function is deprecated because it requires allocating memory for the error\\n     * message unnecessarily. For custom revert reasons use {tryMod}.\\n     *\\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\\n     * invalid opcode to revert (consuming all remaining gas).\\n     *\\n     * Requirements:\\n     *\\n     * - The divisor cannot be zero.\\n     */\\n    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n        require(b > 0, errorMessage);\\n        return a % b;\\n    }\\n}\\n\",\"keccak256\":\"0xcc78a17dd88fa5a2edc60c8489e2f405c0913b377216a5b26b35656b2d0dab52\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\nimport { Lib_AddressResolver } from \\\"../../libraries/resolver/Lib_AddressResolver.sol\\\";\\nimport { Lib_MerkleTree } from \\\"../../libraries/utils/Lib_MerkleTree.sol\\\";\\n\\n/* Interface Imports */\\nimport { iOVM_FraudVerifier } from \\\"../../iOVM/verification/iOVM_FraudVerifier.sol\\\";\\nimport { iOVM_StateCommitmentChain } from \\\"../../iOVM/chain/iOVM_StateCommitmentChain.sol\\\";\\nimport { iOVM_CanonicalTransactionChain } from \\\"../../iOVM/chain/iOVM_CanonicalTransactionChain.sol\\\";\\nimport { iOVM_BondManager } from \\\"../../iOVM/verification/iOVM_BondManager.sol\\\";\\nimport { iOVM_ChainStorageContainer } from \\\"../../iOVM/chain/iOVM_ChainStorageContainer.sol\\\";\\n\\n/* External Imports */\\nimport '@openzeppelin/contracts/math/SafeMath.sol';\\n\\n/**\\n * @title OVM_StateCommitmentChain\\n */\\ncontract OVM_StateCommitmentChain is iOVM_StateCommitmentChain, Lib_AddressResolver {\\n\\n    /*************\\n     * Constants *\\n     *************/\\n\\n    uint256 public FRAUD_PROOF_WINDOW;\\n    uint256 public SEQUENCER_PUBLISH_WINDOW;\\n\\n\\n    /***************\\n     * Constructor *\\n     ***************/\\n\\n    /**\\n     * @param _libAddressManager Address of the Address Manager.\\n     */\\n    constructor(\\n        address _libAddressManager,\\n        uint256 _fraudProofWindow,\\n        uint256 _sequencerPublishWindow\\n    )\\n        Lib_AddressResolver(_libAddressManager)\\n    {\\n        FRAUD_PROOF_WINDOW = _fraudProofWindow;\\n        SEQUENCER_PUBLISH_WINDOW = _sequencerPublishWindow;\\n    }\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    /**\\n     * Accesses the batch storage container.\\n     * @return Reference to the batch storage container.\\n     */\\n    function batches()\\n        public\\n        view\\n        returns (\\n            iOVM_ChainStorageContainer\\n        )\\n    {\\n        return iOVM_ChainStorageContainer(\\n            resolve(\\\"OVM_ChainStorageContainer:SCC:batches\\\")\\n        );\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function getTotalElements()\\n        override\\n        public\\n        view\\n        returns (\\n            uint256 _totalElements\\n        )\\n    {\\n        (uint40 totalElements, ) = _getBatchExtraData();\\n        return uint256(totalElements);\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function getTotalBatches()\\n        override\\n        public\\n        view\\n        returns (\\n            uint256 _totalBatches\\n        )\\n    {\\n        return batches().length();\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function getLastSequencerTimestamp()\\n        override\\n        public\\n        view\\n        returns (\\n            uint256 _lastSequencerTimestamp\\n        )\\n    {\\n        (, uint40 lastSequencerTimestamp) = _getBatchExtraData();\\n        return uint256(lastSequencerTimestamp);\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function appendStateBatch(\\n        bytes32[] memory _batch,\\n        uint256 _shouldStartAtElement\\n    )\\n        override\\n        public\\n    {\\n        // Fail fast in to make sure our batch roots aren't accidentally made fraudulent by the\\n        // publication of batches by some other user.\\n        require(\\n            _shouldStartAtElement == getTotalElements(),\\n            \\\"Actual batch start index does not match expected start index.\\\"\\n        );\\n\\n        // Proposers must have previously staked at the BondManager\\n        require(\\n            iOVM_BondManager(resolve(\\\"OVM_BondManager\\\")).isCollateralized(msg.sender),\\n            \\\"Proposer does not have enough collateral posted\\\"\\n        );\\n\\n        require(\\n            _batch.length > 0,\\n            \\\"Cannot submit an empty state batch.\\\"\\n        );\\n\\n        require(\\n            getTotalElements() + _batch.length <= iOVM_CanonicalTransactionChain(resolve(\\\"OVM_CanonicalTransactionChain\\\")).getTotalElements(),\\n            \\\"Number of state roots cannot exceed the number of canonical transactions.\\\"\\n        );\\n\\n        // Pass the block's timestamp and the publisher of the data\\n        // to be used in the fraud proofs\\n        _appendBatch(\\n            _batch,\\n            abi.encode(block.timestamp, msg.sender)\\n        );\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function deleteStateBatch(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        override\\n        public\\n    {\\n        require(\\n            msg.sender == resolve(\\\"OVM_FraudVerifier\\\"),\\n            \\\"State batches can only be deleted by the OVM_FraudVerifier.\\\"\\n        );\\n\\n        require(\\n            _isValidBatchHeader(_batchHeader),\\n            \\\"Invalid batch header.\\\"\\n        );\\n\\n        require(\\n            insideFraudProofWindow(_batchHeader),\\n            \\\"State batches can only be deleted within the fraud proof window.\\\"\\n        );\\n\\n        _deleteBatch(_batchHeader);\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function verifyStateCommitment(\\n        bytes32 _element,\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,\\n        Lib_OVMCodec.ChainInclusionProof memory _proof\\n    )\\n        override\\n        public\\n        view\\n        returns (\\n            bool\\n        )\\n    {\\n        require(\\n            _isValidBatchHeader(_batchHeader),\\n            \\\"Invalid batch header.\\\"\\n        );\\n\\n        require(\\n            Lib_MerkleTree.verify(\\n                _batchHeader.batchRoot,\\n                _element,\\n                _proof.index,\\n                _proof.siblings,\\n                _batchHeader.batchSize\\n            ),\\n            \\\"Invalid inclusion proof.\\\"\\n        );\\n\\n        return true;\\n    }\\n\\n    /**\\n     * @inheritdoc iOVM_StateCommitmentChain\\n     */\\n    function insideFraudProofWindow(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        override\\n        public\\n        view\\n        returns (\\n            bool _inside\\n        )\\n    {\\n        (uint256 timestamp,) = abi.decode(\\n            _batchHeader.extraData,\\n            (uint256, address)\\n        );\\n\\n        require(\\n            timestamp != 0,\\n            \\\"Batch header timestamp cannot be zero\\\"\\n        );\\n        return SafeMath.add(timestamp, FRAUD_PROOF_WINDOW) > block.timestamp;\\n    }\\n\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    /**\\n     * Parses the batch context from the extra data.\\n     * @return Total number of elements submitted.\\n     * @return Timestamp of the last batch submitted by the sequencer.\\n     */\\n    function _getBatchExtraData()\\n        internal\\n        view\\n        returns (\\n            uint40,\\n            uint40\\n        )\\n    {\\n        bytes27 extraData = batches().getGlobalMetadata();\\n\\n        uint40 totalElements;\\n        uint40 lastSequencerTimestamp;\\n        assembly {\\n            extraData              := shr(40, extraData)\\n            totalElements          :=         and(extraData, 0x000000000000000000000000000000000000000000000000000000FFFFFFFFFF)\\n            lastSequencerTimestamp := shr(40, and(extraData, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000000000))\\n        }\\n\\n        return (\\n            totalElements,\\n            lastSequencerTimestamp\\n        );\\n    }\\n\\n    /**\\n     * Encodes the batch context for the extra data.\\n     * @param _totalElements Total number of elements submitted.\\n     * @param _lastSequencerTimestamp Timestamp of the last batch submitted by the sequencer.\\n     * @return Encoded batch context.\\n     */\\n    function _makeBatchExtraData(\\n        uint40 _totalElements,\\n        uint40 _lastSequencerTimestamp\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes27\\n        )\\n    {\\n        bytes27 extraData;\\n        assembly {\\n            extraData := _totalElements\\n            extraData := or(extraData, shl(40, _lastSequencerTimestamp))\\n            extraData := shl(40, extraData)\\n        }\\n\\n        return extraData;\\n    }\\n\\n    /**\\n     * Appends a batch to the chain.\\n     * @param _batch Elements within the batch.\\n     * @param _extraData Any extra data to append to the batch.\\n     */\\n    function _appendBatch(\\n        bytes32[] memory _batch,\\n        bytes memory _extraData\\n    )\\n        internal\\n    {\\n        address sequencer = resolve(\\\"OVM_Sequencer\\\");\\n        (uint40 totalElements, uint40 lastSequencerTimestamp) = _getBatchExtraData();\\n\\n        if (msg.sender == sequencer) {\\n            lastSequencerTimestamp = uint40(block.timestamp);\\n        } else {\\n            // We keep track of the last batch submitted by the sequencer so there's a window in\\n            // which only the sequencer can publish state roots. A window like this just reduces\\n            // the chance of \\\"system breaking\\\" state roots being published while we're still in\\n            // testing mode. This window should be removed or significantly reduced in the future.\\n            require(\\n                lastSequencerTimestamp + SEQUENCER_PUBLISH_WINDOW < block.timestamp,\\n                \\\"Cannot publish state roots within the sequencer publication window.\\\"\\n            );\\n        }\\n\\n        Lib_OVMCodec.ChainBatchHeader memory batchHeader = Lib_OVMCodec.ChainBatchHeader({\\n            batchIndex: getTotalBatches(),\\n            batchRoot: Lib_MerkleTree.getMerkleRoot(_batch),\\n            batchSize: _batch.length,\\n            prevTotalElements: totalElements,\\n            extraData: _extraData\\n        });\\n\\n        emit StateBatchAppended(\\n            batchHeader.batchIndex,\\n            batchHeader.batchRoot,\\n            batchHeader.batchSize,\\n            batchHeader.prevTotalElements,\\n            batchHeader.extraData\\n        );\\n\\n        batches().push(\\n            Lib_OVMCodec.hashBatchHeader(batchHeader),\\n            _makeBatchExtraData(\\n                uint40(batchHeader.prevTotalElements + batchHeader.batchSize),\\n                lastSequencerTimestamp\\n            )\\n        );\\n    }\\n\\n    /**\\n     * Removes a batch and all subsequent batches from the chain.\\n     * @param _batchHeader Header of the batch to remove.\\n     */\\n    function _deleteBatch(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        internal\\n    {\\n        require(\\n            _batchHeader.batchIndex < batches().length(),\\n            \\\"Invalid batch index.\\\"\\n        );\\n\\n        require(\\n            _isValidBatchHeader(_batchHeader),\\n            \\\"Invalid batch header.\\\"\\n        );\\n\\n        batches().deleteElementsAfterInclusive(\\n            _batchHeader.batchIndex,\\n            _makeBatchExtraData(\\n                uint40(_batchHeader.prevTotalElements),\\n                0\\n            )\\n        );\\n\\n        emit StateBatchDeleted(\\n            _batchHeader.batchIndex,\\n            _batchHeader.batchRoot\\n        );\\n    }\\n\\n    /**\\n     * Checks that a batch header matches the stored hash for the given index.\\n     * @param _batchHeader Batch header to validate.\\n     * @return Whether or not the header matches the stored one.\\n     */\\n    function _isValidBatchHeader(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        internal\\n        view\\n        returns (\\n            bool\\n        )\\n    {\\n        return Lib_OVMCodec.hashBatchHeader(_batchHeader) == batches().get(_batchHeader.batchIndex);\\n    }\\n}\\n\",\"keccak256\":\"0xb93198fb1ea4469f21deb7329f5f0e1e3a826cd14a959fa4b8ffdd2cd325a715\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/iOVM/chain/iOVM_CanonicalTransactionChain.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/**\\n * @title iOVM_CanonicalTransactionChain\\n */\\ninterface iOVM_CanonicalTransactionChain {\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event TransactionEnqueued(\\n        address _l1TxOrigin,\\n        address _target,\\n        uint256 _gasLimit,\\n        bytes _data,\\n        uint256 _queueIndex,\\n        uint256 _timestamp\\n    );\\n\\n    event QueueBatchAppended(\\n        uint256 _startingQueueIndex,\\n        uint256 _numQueueElements,\\n        uint256 _totalElements\\n    );\\n\\n    event SequencerBatchAppended(\\n        uint256 _startingQueueIndex,\\n        uint256 _numQueueElements,\\n        uint256 _totalElements\\n    );\\n\\n    event TransactionBatchAppended(\\n        uint256 indexed _batchIndex,\\n        bytes32 _batchRoot,\\n        uint256 _batchSize,\\n        uint256 _prevTotalElements,\\n        bytes _extraData\\n    );\\n\\n\\n    /***********\\n     * Structs *\\n     ***********/\\n\\n    struct BatchContext {\\n        uint256 numSequencedTransactions;\\n        uint256 numSubsequentQueueTransactions;\\n        uint256 timestamp;\\n        uint256 blockNumber;\\n    }\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    /**\\n     * Retrieves the total number of elements submitted.\\n     * @return _totalElements Total submitted elements.\\n     */\\n    function getTotalElements()\\n        external\\n        view\\n        returns (\\n            uint256 _totalElements\\n        );\\n\\n    /**\\n     * Retrieves the total number of batches submitted.\\n     * @return _totalBatches Total submitted batches.\\n     */\\n    function getTotalBatches()\\n        external\\n        view\\n        returns (\\n            uint256 _totalBatches\\n        );\\n\\n    /**\\n     * Returns the index of the next element to be enqueued.\\n     * @return Index for the next queue element.\\n     */\\n    function getNextQueueIndex()\\n        external\\n        view\\n        returns (\\n            uint40\\n        );\\n\\n    /**\\n     * Get the number of queue elements which have not yet been included.\\n     * @return Length of the queue.\\n     */\\n    function getNumPendingQueueElements()\\n        external\\n        view\\n        returns (\\n            uint40\\n        );\\n\\n    /**\\n     * Retrieves the length of the queue, including\\n     * both pending and canonical transactions.\\n     * @return Length of the queue.\\n     */\\n    function getQueueLength()\\n        external\\n        view\\n        returns (\\n            uint40\\n        );\\n\\n    /**\\n     * Gets the queue element at a particular index.\\n     * @param _index Index of the queue element to access.\\n     * @return _element Queue element at the given index.\\n     */\\n    function getQueueElement(\\n        uint256 _index\\n    )\\n        external\\n        view\\n        returns (\\n            Lib_OVMCodec.QueueElement memory _element\\n        );\\n\\n    /**\\n     * Adds a transaction to the queue.\\n     * @param _target Target contract to send the transaction to.\\n     * @param _gasLimit Gas limit for the given transaction.\\n     * @param _data Transaction data.\\n     */\\n    function enqueue(\\n        address _target,\\n        uint256 _gasLimit,\\n        bytes memory _data\\n    )\\n        external;\\n\\n    /**\\n     * Appends a given number of queued transactions as a single batch.\\n     * @param _numQueuedTransactions Number of transactions to append.\\n     */\\n    function appendQueueBatch(\\n        uint256 _numQueuedTransactions\\n    )\\n        external;\\n\\n    /**\\n     * Allows the sequencer to append a batch of transactions.\\n     * @dev This function uses a custom encoding scheme for efficiency reasons.\\n     * .param _shouldStartAtElement Specific batch we expect to start appending to.\\n     * .param _totalElementsToAppend Total number of batch elements we expect to append.\\n     * .param _contexts Array of batch contexts.\\n     * .param _transactionDataFields Array of raw transaction data.\\n     */\\n    function appendSequencerBatch(\\n        // uint40 _shouldStartAtElement,\\n        // uint24 _totalElementsToAppend,\\n        // BatchContext[] _contexts,\\n        // bytes[] _transactionDataFields\\n    )\\n        external;\\n\\n    /**\\n     * Verifies whether a transaction is included in the chain.\\n     * @param _transaction Transaction to verify.\\n     * @param _txChainElement Transaction chain element corresponding to the transaction.\\n     * @param _batchHeader Header of the batch the transaction was included in.\\n     * @param _inclusionProof Inclusion proof for the provided transaction chain element.\\n     * @return True if the transaction exists in the CTC, false if not.\\n     */\\n    function verifyTransaction(\\n        Lib_OVMCodec.Transaction memory _transaction,\\n        Lib_OVMCodec.TransactionChainElement memory _txChainElement,\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,\\n        Lib_OVMCodec.ChainInclusionProof memory _inclusionProof\\n    )\\n        external\\n        view\\n        returns (\\n            bool\\n        );\\n}\\n\",\"keccak256\":\"0x82a4e62286c8bc5e2d3de33f66d9b707cb9636e553dca54b5e95277bd794a934\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/iOVM/chain/iOVM_ChainStorageContainer.sol\":{\"content\":\"pragma solidity ^0.7.0;\\n\\n/**\\n * @title iOVM_ChainStorageContainer\\n */\\ninterface iOVM_ChainStorageContainer {\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    /**\\n     * Sets the container's global metadata field. We're using `bytes27` here because we use five\\n     * bytes to maintain the length of the underlying data structure, meaning we have an extra\\n     * 27 bytes to store arbitrary data.\\n     * @param _globalMetadata New global metadata to set.\\n     */\\n    function setGlobalMetadata(\\n        bytes27 _globalMetadata\\n    )\\n        external;\\n\\n    /**\\n     * Retrieves the container's global metadata field.\\n     * @return Container global metadata field.\\n     */\\n    function getGlobalMetadata()\\n        external\\n        view\\n        returns (\\n            bytes27\\n        );\\n\\n    /**\\n     * Retrieves the number of objects stored in the container.\\n     * @return Number of objects in the container.\\n     */\\n    function length()\\n        external\\n        view\\n        returns (\\n            uint256\\n        );\\n\\n    /**\\n     * Pushes an object into the container.\\n     * @param _object A 32 byte value to insert into the container.\\n     */\\n    function push(\\n        bytes32 _object\\n    )\\n        external;\\n\\n    /**\\n     * Pushes an object into the container. Function allows setting the global metadata since\\n     * we'll need to touch the \\\"length\\\" storage slot anyway, which also contains the global\\n     * metadata (it's an optimization).\\n     * @param _object A 32 byte value to insert into the container.\\n     * @param _globalMetadata New global metadata for the container.\\n     */\\n    function push(\\n        bytes32 _object,\\n        bytes27 _globalMetadata\\n    )\\n        external;\\n\\n    /**\\n     * Pushes two objects into the container at the same time. A useful optimization.\\n     * @param _objectA First 32 byte value to insert into the container.\\n     * @param _objectB Second 32 byte value to insert into the container.\\n     */\\n    function push2(\\n        bytes32 _objectA,\\n        bytes32 _objectB\\n    )\\n        external;\\n\\n    /**\\n     * Pushes two objects into the container at the same time. Also allows setting the global\\n     * metadata field.\\n     * @param _objectA First 32 byte value to insert into the container.\\n     * @param _objectB Second 32 byte value to insert into the container.\\n     * @param _globalMetadata New global metadata for the container.\\n     */\\n    function push2(\\n        bytes32 _objectA,\\n        bytes32 _objectB,\\n        bytes27 _globalMetadata\\n    )\\n        external;\\n\\n    /**\\n     * Retrieves an object from the container.\\n     * @param _index Index of the particular object to access.\\n     * @return 32 byte object value.\\n     */\\n    function get(\\n        uint256 _index\\n    )\\n        external\\n        view\\n        returns (\\n            bytes32\\n        );\\n\\n    /**\\n     * Removes all objects after and including a given index.\\n     * @param _index Object index to delete from.\\n     */\\n    function deleteElementsAfterInclusive(\\n        uint256 _index\\n    )\\n        external;\\n\\n    /**\\n     * Removes all objects after and including a given index. Also allows setting the global\\n     * metadata field.\\n     * @param _index Object index to delete from.\\n     * @param _globalMetadata New global metadata for the container.\\n     */\\n    function deleteElementsAfterInclusive(\\n        uint256 _index,\\n        bytes27 _globalMetadata\\n    )\\n        external;\\n\\n    /**\\n     * Marks an index as overwritable, meaing the underlying buffer can start to write values over\\n     * any objects before and including the given index.\\n     */\\n    function setNextOverwritableIndex(\\n        uint256 _index\\n    )\\n        external;\\n}\\n\",\"keccak256\":\"0xcfca7da85b35d94c27581c2460b0d48fd0cc51fa72670cc7a2f7f760fb21a2f0\"},\"contracts/optimistic-ethereum/iOVM/chain/iOVM_StateCommitmentChain.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/**\\n * @title iOVM_StateCommitmentChain\\n */\\ninterface iOVM_StateCommitmentChain {\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event StateBatchAppended(\\n        uint256 indexed _batchIndex,\\n        bytes32 _batchRoot,\\n        uint256 _batchSize,\\n        uint256 _prevTotalElements,\\n        bytes _extraData\\n    );\\n\\n    event StateBatchDeleted(\\n        uint256 indexed _batchIndex,\\n        bytes32 _batchRoot\\n    );\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    /**\\n     * Retrieves the total number of elements submitted.\\n     * @return _totalElements Total submitted elements.\\n     */\\n    function getTotalElements()\\n        external\\n        view\\n        returns (\\n            uint256 _totalElements\\n        );\\n\\n    /**\\n     * Retrieves the total number of batches submitted.\\n     * @return _totalBatches Total submitted batches.\\n     */\\n    function getTotalBatches()\\n        external\\n        view\\n        returns (\\n            uint256 _totalBatches\\n        );\\n\\n    /**\\n     * Retrieves the timestamp of the last batch submitted by the sequencer.\\n     * @return _lastSequencerTimestamp Last sequencer batch timestamp.\\n     */\\n    function getLastSequencerTimestamp()\\n        external\\n        view\\n        returns (\\n            uint256 _lastSequencerTimestamp\\n        );\\n\\n    /**\\n     * Appends a batch of state roots to the chain.\\n     * @param _batch Batch of state roots.\\n     * @param _shouldStartAtElement Index of the element at which this batch should start.\\n     */\\n    function appendStateBatch(\\n        bytes32[] calldata _batch,\\n        uint256 _shouldStartAtElement\\n    )\\n        external;\\n\\n    /**\\n     * Deletes all state roots after (and including) a given batch.\\n     * @param _batchHeader Header of the batch to start deleting from.\\n     */\\n    function deleteStateBatch(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        external;\\n\\n    /**\\n     * Verifies a batch inclusion proof.\\n     * @param _element Hash of the element to verify a proof for.\\n     * @param _batchHeader Header of the batch in which the element was included.\\n     * @param _proof Merkle inclusion proof for the element.\\n     */\\n    function verifyStateCommitment(\\n        bytes32 _element,\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,\\n        Lib_OVMCodec.ChainInclusionProof memory _proof\\n    )\\n        external\\n        view\\n        returns (\\n            bool _verified\\n        );\\n\\n    /**\\n     * Checks whether a given batch is still inside its fraud proof window.\\n     * @param _batchHeader Header of the batch to check.\\n     * @return _inside Whether or not the batch is inside the fraud proof window.\\n     */\\n    function insideFraudProofWindow(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        external\\n        view\\n        returns (\\n            bool _inside\\n        );\\n}\\n\",\"keccak256\":\"0x6646d6ff392b81aab52a7a277e91540819464751de0af5afd1962094b2e92448\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/iOVM/verification/iOVM_BondManager.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\n\\ninterface ERC20 {\\n    function transfer(address, uint256) external returns (bool);\\n    function transferFrom(address, address, uint256) external returns (bool);\\n}\\n\\n/// All the errors which may be encountered on the bond manager\\nlibrary Errors {\\n    string constant ERC20_ERR = \\\"BondManager: Could not post bond\\\";\\n    string constant ALREADY_FINALIZED = \\\"BondManager: Fraud proof for this pre-state root has already been finalized\\\";\\n    string constant SLASHED = \\\"BondManager: Cannot finalize withdrawal, you probably got slashed\\\";\\n    string constant WRONG_STATE = \\\"BondManager: Wrong bond state for proposer\\\";\\n    string constant CANNOT_CLAIM = \\\"BondManager: Cannot claim yet. Dispute must be finalized first\\\";\\n\\n    string constant WITHDRAWAL_PENDING = \\\"BondManager: Withdrawal already pending\\\";\\n    string constant TOO_EARLY = \\\"BondManager: Too early to finalize your withdrawal\\\";\\n\\n    string constant ONLY_TRANSITIONER = \\\"BondManager: Only the transitioner for this pre-state root may call this function\\\";\\n    string constant ONLY_FRAUD_VERIFIER = \\\"BondManager: Only the fraud verifier may call this function\\\";\\n    string constant ONLY_STATE_COMMITMENT_CHAIN = \\\"BondManager: Only the state commitment chain may call this function\\\";\\n    string constant WAIT_FOR_DISPUTES = \\\"BondManager: Wait for other potential disputes\\\";\\n}\\n\\n/**\\n * @title iOVM_BondManager\\n */\\ninterface iOVM_BondManager {\\n\\n    /*******************\\n     * Data Structures *\\n     *******************/\\n\\n    /// The lifecycle of a proposer's bond\\n    enum State {\\n        // Before depositing or after getting slashed, a user is uncollateralized\\n        NOT_COLLATERALIZED,\\n        // After depositing, a user is collateralized\\n        COLLATERALIZED,\\n        // After a user has initiated a withdrawal\\n        WITHDRAWING\\n    }\\n\\n    /// A bond posted by a proposer\\n    struct Bond {\\n        // The user's state\\n        State state;\\n        // The timestamp at which a proposer issued their withdrawal request\\n        uint32 withdrawalTimestamp;\\n        // The time when the first disputed was initiated for this bond\\n        uint256 firstDisputeAt;\\n        // The earliest observed state root for this bond which has had fraud\\n        bytes32 earliestDisputedStateRoot;\\n        // The state root's timestamp\\n        uint256 earliestTimestamp;\\n    }\\n\\n    // Per pre-state root, store the number of state provisions that were made\\n    // and how many of these calls were made by each user. Payouts will then be\\n    // claimed by users proportionally for that dispute.\\n    struct Rewards {\\n        // Flag to check if rewards for a fraud proof are claimable\\n        bool canClaim;\\n        // Total number of `recordGasSpent` calls made\\n        uint256 total;\\n        // The gas spent by each user to provide witness data. The sum of all\\n        // values inside this map MUST be equal to the value of `total`\\n        mapping(address => uint256) gasSpent;\\n    }\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    function recordGasSpent(\\n        bytes32 _preStateRoot,\\n        bytes32 _txHash,\\n        address _who,\\n        uint256 _gasSpent\\n    ) external;\\n\\n    function finalize(\\n        bytes32 _preStateRoot,\\n        address _publisher,\\n        uint256 _timestamp\\n    ) external;\\n\\n    function deposit() external;\\n\\n    function startWithdrawal() external;\\n\\n    function finalizeWithdrawal() external;\\n\\n    function claim(\\n        address _who\\n    ) external;\\n\\n    function isCollateralized(\\n        address _who\\n    ) external view returns (bool);\\n\\n    function getGasSpent(\\n        bytes32 _preStateRoot,\\n        address _who\\n    ) external view returns (uint256);\\n}\\n\",\"keccak256\":\"0x3c2a8a399487857158649db1896749d86e39cba545a8aeb2e2bb0f3bdfa7a5b1\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/iOVM/verification/iOVM_FraudVerifier.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/* Interface Imports */\\nimport { iOVM_StateTransitioner } from \\\"./iOVM_StateTransitioner.sol\\\";\\n\\n/**\\n * @title iOVM_FraudVerifier\\n */\\ninterface iOVM_FraudVerifier {\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event FraudProofInitialized(\\n        bytes32 _preStateRoot,\\n        uint256 _preStateRootIndex,\\n        bytes32 _transactionHash,\\n        address _who\\n    );\\n\\n    event FraudProofFinalized(\\n        bytes32 _preStateRoot,\\n        uint256 _preStateRootIndex,\\n        bytes32 _transactionHash,\\n        address _who\\n    );\\n\\n\\n    /***************************************\\n     * Public Functions: Transition Status *\\n     ***************************************/\\n\\n    function getStateTransitioner(bytes32 _preStateRoot, bytes32 _txHash) external view returns (iOVM_StateTransitioner _transitioner);\\n\\n\\n    /****************************************\\n     * Public Functions: Fraud Verification *\\n     ****************************************/\\n\\n    function initializeFraudVerification(\\n        bytes32 _preStateRoot,\\n        Lib_OVMCodec.ChainBatchHeader calldata _preStateRootBatchHeader,\\n        Lib_OVMCodec.ChainInclusionProof calldata _preStateRootProof,\\n        Lib_OVMCodec.Transaction calldata _transaction,\\n        Lib_OVMCodec.TransactionChainElement calldata _txChainElement,\\n        Lib_OVMCodec.ChainBatchHeader calldata _transactionBatchHeader,\\n        Lib_OVMCodec.ChainInclusionProof calldata _transactionProof\\n    ) external;\\n\\n    function finalizeFraudVerification(\\n        bytes32 _preStateRoot,\\n        Lib_OVMCodec.ChainBatchHeader calldata _preStateRootBatchHeader,\\n        Lib_OVMCodec.ChainInclusionProof calldata _preStateRootProof,\\n        bytes32 _txHash,\\n        bytes32 _postStateRoot,\\n        Lib_OVMCodec.ChainBatchHeader calldata _postStateRootBatchHeader,\\n        Lib_OVMCodec.ChainInclusionProof calldata _postStateRootProof\\n    ) external;\\n}\\n\",\"keccak256\":\"0x5efd7bb18164bbd3e9d58379e8203fbf2a7ee802b1a48dff3ceaaec1523b1751\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/iOVM/verification/iOVM_StateTransitioner.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/**\\n * @title iOVM_StateTransitioner\\n */\\ninterface iOVM_StateTransitioner {\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event AccountCommitted(\\n        address _address\\n    );\\n\\n    event ContractStorageCommitted(\\n        address _address,\\n        bytes32 _key\\n    );\\n\\n\\n    /**********************************\\n     * Public Functions: State Access *\\n     **********************************/\\n\\n    function getPreStateRoot() external view returns (bytes32 _preStateRoot);\\n    function getPostStateRoot() external view returns (bytes32 _postStateRoot);\\n    function isComplete() external view returns (bool _complete);\\n\\n\\n    /***********************************\\n     * Public Functions: Pre-Execution *\\n     ***********************************/\\n\\n    function proveContractState(\\n        address _ovmContractAddress,\\n        address _ethContractAddress,\\n        bytes calldata _stateTrieWitness\\n    ) external;\\n\\n    function proveStorageSlot(\\n        address _ovmContractAddress,\\n        bytes32 _key,\\n        bytes calldata _storageTrieWitness\\n    ) external;\\n\\n\\n    /*******************************\\n     * Public Functions: Execution *\\n     *******************************/\\n\\n    function applyTransaction(\\n        Lib_OVMCodec.Transaction calldata _transaction\\n    ) external;\\n\\n\\n    /************************************\\n     * Public Functions: Post-Execution *\\n     ************************************/\\n\\n    function commitContractState(\\n        address _ovmContractAddress,\\n        bytes calldata _stateTrieWitness\\n    ) external;\\n\\n    function commitStorageSlot(\\n        address _ovmContractAddress,\\n        bytes32 _key,\\n        bytes calldata _storageTrieWitness\\n    ) external;\\n\\n\\n    /**********************************\\n     * Public Functions: Finalization *\\n     **********************************/\\n\\n    function completeTransition() external;\\n}\\n\",\"keccak256\":\"0x3d044ac0a3bb6ad3d529f904b3191117511f9c379678ca03010e1ebdfcb5c34b\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/codec/Lib_OVMCodec.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.8.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_RLPReader } from \\\"../rlp/Lib_RLPReader.sol\\\";\\nimport { Lib_RLPWriter } from \\\"../rlp/Lib_RLPWriter.sol\\\";\\nimport { Lib_BytesUtils } from \\\"../utils/Lib_BytesUtils.sol\\\";\\nimport { Lib_Bytes32Utils } from \\\"../utils/Lib_Bytes32Utils.sol\\\";\\nimport { Lib_SafeExecutionManagerWrapper } from \\\"../../libraries/wrappers/Lib_SafeExecutionManagerWrapper.sol\\\";\\n\\n/**\\n * @title Lib_OVMCodec\\n */\\nlibrary Lib_OVMCodec {\\n\\n    /*************\\n     * Constants *\\n     *************/\\n\\n    bytes constant internal RLP_NULL_BYTES = hex'80';\\n    bytes constant internal NULL_BYTES = bytes('');\\n\\n    // Ring buffer IDs\\n    bytes32 constant internal RING_BUFFER_SCC_BATCHES = keccak256(\\\"RING_BUFFER_SCC_BATCHES\\\");\\n    bytes32 constant internal RING_BUFFER_CTC_BATCHES = keccak256(\\\"RING_BUFFER_CTC_BATCHES\\\");\\n    bytes32 constant internal RING_BUFFER_CTC_QUEUE = keccak256(\\\"RING_BUFFER_CTC_QUEUE\\\");\\n\\n\\n    /*********\\n     * Enums *\\n     *********/\\n\\n    enum EOASignatureType {\\n        EIP155_TRANSACTON,\\n        ETH_SIGNED_MESSAGE\\n    }\\n\\n    enum QueueOrigin {\\n        SEQUENCER_QUEUE,\\n        L1TOL2_QUEUE\\n    }\\n\\n\\n    /***********\\n     * Structs *\\n     ***********/\\n\\n    struct Account {\\n        uint256 nonce;\\n        uint256 balance;\\n        bytes32 storageRoot;\\n        bytes32 codeHash;\\n        address ethAddress;\\n        bool isFresh;\\n    }\\n\\n    struct EVMAccount {\\n        uint256 nonce;\\n        uint256 balance;\\n        bytes32 storageRoot;\\n        bytes32 codeHash;\\n    }\\n\\n    struct ChainBatchHeader {\\n        uint256 batchIndex;\\n        bytes32 batchRoot;\\n        uint256 batchSize;\\n        uint256 prevTotalElements;\\n        bytes extraData;\\n    }\\n\\n    struct ChainInclusionProof {\\n        uint256 index;\\n        bytes32[] siblings;\\n    }\\n\\n    struct Transaction {\\n        uint256 timestamp;\\n        uint256 blockNumber;\\n        QueueOrigin l1QueueOrigin;\\n        address l1TxOrigin;\\n        address entrypoint;\\n        uint256 gasLimit;\\n        bytes data;\\n    }\\n\\n    struct TransactionChainElement {\\n        bool isSequenced;\\n        uint256 queueIndex;  // QUEUED TX ONLY\\n        uint256 timestamp;   // SEQUENCER TX ONLY\\n        uint256 blockNumber; // SEQUENCER TX ONLY\\n        bytes txData;        // SEQUENCER TX ONLY\\n    }\\n\\n    struct QueueElement {\\n        bytes32 queueRoot;\\n        uint40 timestamp;\\n        uint40 blockNumber;\\n    }\\n\\n    struct EIP155Transaction {\\n        uint256 nonce;\\n        uint256 gasPrice;\\n        uint256 gasLimit;\\n        address to;\\n        uint256 value;\\n        bytes data;\\n        uint256 chainId;\\n    }\\n\\n\\n    /*********************************************\\n     * Internal Functions: Encoding and Decoding *\\n     *********************************************/\\n\\n    /**\\n     * Decodes an EOA transaction (i.e., native Ethereum RLP encoding).\\n     * @param _transaction Encoded EOA transaction.\\n     * @return _decoded Transaction decoded into a struct.\\n     */\\n    function decodeEIP155Transaction(\\n        bytes memory _transaction,\\n        bool _isEthSignedMessage\\n    )\\n        internal\\n        pure\\n        returns (\\n            EIP155Transaction memory _decoded\\n        )\\n    {\\n        if (_isEthSignedMessage) {\\n            (\\n                uint256 _nonce,\\n                uint256 _gasLimit,\\n                uint256 _gasPrice,\\n                uint256 _chainId,\\n                address _to,\\n                bytes memory _data\\n            ) = abi.decode(\\n                _transaction,\\n                (uint256, uint256, uint256, uint256, address ,bytes)\\n            );\\n            return EIP155Transaction({\\n                nonce: _nonce,\\n                gasPrice: _gasPrice,\\n                gasLimit: _gasLimit,\\n                to: _to,\\n                value: 0,\\n                data: _data,\\n                chainId: _chainId\\n            });\\n        } else {\\n            Lib_RLPReader.RLPItem[] memory decoded = Lib_RLPReader.readList(_transaction);\\n\\n            return EIP155Transaction({\\n                nonce: Lib_RLPReader.readUint256(decoded[0]),\\n                gasPrice: Lib_RLPReader.readUint256(decoded[1]),\\n                gasLimit: Lib_RLPReader.readUint256(decoded[2]),\\n                to: Lib_RLPReader.readAddress(decoded[3]),\\n                value: Lib_RLPReader.readUint256(decoded[4]),\\n                data: Lib_RLPReader.readBytes(decoded[5]),\\n                chainId:  Lib_RLPReader.readUint256(decoded[6])\\n            });\\n        }\\n    }\\n\\n    function decompressEIP155Transaction(\\n        bytes memory _transaction\\n    )\\n        internal\\n        returns (\\n            EIP155Transaction memory _decompressed\\n        )\\n    {\\n        return EIP155Transaction({\\n            gasLimit: Lib_BytesUtils.toUint24(_transaction, 0),\\n            gasPrice: uint256(Lib_BytesUtils.toUint24(_transaction, 3)) * 1000000,\\n            nonce: Lib_BytesUtils.toUint24(_transaction, 6),\\n            to: Lib_BytesUtils.toAddress(_transaction, 9),\\n            data: Lib_BytesUtils.slice(_transaction, 29),\\n            chainId: Lib_SafeExecutionManagerWrapper.safeCHAINID(),\\n            value: 0\\n        });\\n    }\\n\\n    /**\\n     * Encodes an EOA transaction back into the original transaction.\\n     * @param _transaction EIP155transaction to encode.\\n     * @param _isEthSignedMessage Whether or not this was an eth signed message.\\n     * @return Encoded transaction.\\n     */\\n    function encodeEIP155Transaction(\\n        EIP155Transaction memory _transaction,\\n        bool _isEthSignedMessage\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        if (_isEthSignedMessage) {\\n            return abi.encode(\\n                _transaction.nonce,\\n                _transaction.gasLimit,\\n                _transaction.gasPrice,\\n                _transaction.chainId,\\n                _transaction.to,\\n                _transaction.data\\n            );\\n        } else {\\n            bytes[] memory raw = new bytes[](9);\\n\\n            raw[0] = Lib_RLPWriter.writeUint(_transaction.nonce);\\n            raw[1] = Lib_RLPWriter.writeUint(_transaction.gasPrice);\\n            raw[2] = Lib_RLPWriter.writeUint(_transaction.gasLimit);\\n            if (_transaction.to == address(0)) {\\n                raw[3] = Lib_RLPWriter.writeBytes('');\\n            } else {\\n                raw[3] = Lib_RLPWriter.writeAddress(_transaction.to);\\n            }\\n            raw[4] = Lib_RLPWriter.writeUint(0);\\n            raw[5] = Lib_RLPWriter.writeBytes(_transaction.data);\\n            raw[6] = Lib_RLPWriter.writeUint(_transaction.chainId);\\n            raw[7] = Lib_RLPWriter.writeBytes(bytes(''));\\n            raw[8] = Lib_RLPWriter.writeBytes(bytes(''));\\n\\n            return Lib_RLPWriter.writeList(raw);\\n        }\\n    }\\n\\n    /**\\n     * Encodes a standard OVM transaction.\\n     * @param _transaction OVM transaction to encode.\\n     * @return _encoded Encoded transaction bytes.\\n     */\\n    function encodeTransaction(\\n        Transaction memory _transaction\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _encoded\\n        )\\n    {\\n        return abi.encodePacked(\\n            _transaction.timestamp,\\n            _transaction.blockNumber,\\n            _transaction.l1QueueOrigin,\\n            _transaction.l1TxOrigin,\\n            _transaction.entrypoint,\\n            _transaction.gasLimit,\\n            _transaction.data\\n        );\\n    }\\n\\n    /**\\n     * Hashes a standard OVM transaction.\\n     * @param _transaction OVM transaction to encode.\\n     * @return _hash Hashed transaction\\n     */\\n    function hashTransaction(\\n        Transaction memory _transaction\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32 _hash\\n        )\\n    {\\n        return keccak256(encodeTransaction(_transaction));\\n    }\\n\\n    /**\\n     * Converts an OVM account to an EVM account.\\n     * @param _in OVM account to convert.\\n     * @return _out Converted EVM account.\\n     */\\n    function toEVMAccount(\\n        Account memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            EVMAccount memory _out\\n        )\\n    {\\n        return EVMAccount({\\n            nonce: _in.nonce,\\n            balance: _in.balance,\\n            storageRoot: _in.storageRoot,\\n            codeHash: _in.codeHash\\n        });\\n    }\\n\\n    /**\\n     * @notice RLP-encodes an account state struct.\\n     * @param _account Account state struct.\\n     * @return _encoded RLP-encoded account state.\\n     */\\n    function encodeEVMAccount(\\n        EVMAccount memory _account\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _encoded\\n        )\\n    {\\n        bytes[] memory raw = new bytes[](4);\\n\\n        // Unfortunately we can't create this array outright because\\n        // Lib_RLPWriter.writeList will reject fixed-size arrays. Assigning\\n        // index-by-index circumvents this issue.\\n        raw[0] = Lib_RLPWriter.writeBytes(\\n            Lib_Bytes32Utils.removeLeadingZeros(\\n                bytes32(_account.nonce)\\n            )\\n        );\\n        raw[1] = Lib_RLPWriter.writeBytes(\\n            Lib_Bytes32Utils.removeLeadingZeros(\\n                bytes32(_account.balance)\\n            )\\n        );\\n        raw[2] = Lib_RLPWriter.writeBytes(abi.encodePacked(_account.storageRoot));\\n        raw[3] = Lib_RLPWriter.writeBytes(abi.encodePacked(_account.codeHash));\\n\\n        return Lib_RLPWriter.writeList(raw);\\n    }\\n\\n    /**\\n     * @notice Decodes an RLP-encoded account state into a useful struct.\\n     * @param _encoded RLP-encoded account state.\\n     * @return _account Account state struct.\\n     */\\n    function decodeEVMAccount(\\n        bytes memory _encoded\\n    )\\n        internal\\n        pure\\n        returns (\\n            EVMAccount memory _account\\n        )\\n    {\\n        Lib_RLPReader.RLPItem[] memory accountState = Lib_RLPReader.readList(_encoded);\\n\\n        return EVMAccount({\\n            nonce: Lib_RLPReader.readUint256(accountState[0]),\\n            balance: Lib_RLPReader.readUint256(accountState[1]),\\n            storageRoot: Lib_RLPReader.readBytes32(accountState[2]),\\n            codeHash: Lib_RLPReader.readBytes32(accountState[3])\\n        });\\n    }\\n\\n    /**\\n     * Calculates a hash for a given batch header.\\n     * @param _batchHeader Header to hash.\\n     * @return _hash Hash of the header.\\n     */\\n    function hashBatchHeader(\\n        Lib_OVMCodec.ChainBatchHeader memory _batchHeader\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32 _hash\\n        )\\n    {\\n        return keccak256(\\n            abi.encode(\\n                _batchHeader.batchRoot,\\n                _batchHeader.batchSize,\\n                _batchHeader.prevTotalElements,\\n                _batchHeader.extraData\\n            )\\n        );\\n    }\\n}\\n\",\"keccak256\":\"0x19d78734777b4998f1544e235cf3934f20c5055cd76c2bd60bf0f6dacdd72b3a\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/resolver/Lib_AddressManager.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// +build ovm\\npragma solidity >0.5.0 <0.8.0;\\n\\n/* Contract Imports */\\nimport { Ownable } from \\\"./Lib_Ownable.sol\\\";\\n\\n/**\\n * @title Lib_AddressManager\\n */\\ncontract Lib_AddressManager is Ownable {\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event AddressSet(\\n        string _name,\\n        address _newAddress\\n    );\\n\\n    /*******************************************\\n     * Contract Variables: Internal Accounting *\\n     *******************************************/\\n\\n    mapping (bytes32 => address) private addresses;\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    function setAddress(\\n        string memory _name,\\n        address _address\\n    )\\n        public\\n        onlyOwner\\n    {\\n        emit AddressSet(_name, _address);\\n        addresses[_getNameHash(_name)] = _address;\\n    }\\n\\n    function getAddress(\\n        string memory _name\\n    )\\n        public\\n        view\\n        returns (address)\\n    {\\n        return addresses[_getNameHash(_name)];\\n    }\\n\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    function _getNameHash(\\n        string memory _name\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32 _hash\\n        )\\n    {\\n        return keccak256(abi.encodePacked(_name));\\n    }\\n}\\n\",\"keccak256\":\"0xdf802e1cc6474df913626991e9fca3835c620a519f397afe04bf9c260e723257\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/resolver/Lib_AddressResolver.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// +build ovm\\npragma solidity >0.5.0 <0.8.0;\\n\\n/* Library Imports */\\nimport { Lib_AddressManager } from \\\"./Lib_AddressManager.sol\\\";\\n\\n/**\\n * @title Lib_AddressResolver\\n */\\ncontract Lib_AddressResolver {\\n\\n    /*******************************************\\n     * Contract Variables: Contract References *\\n     *******************************************/\\n\\n    Lib_AddressManager internal libAddressManager;\\n\\n\\n    /***************\\n     * Constructor *\\n     ***************/\\n\\n    /**\\n     * @param _libAddressManager Address of the Lib_AddressManager.\\n     */\\n    constructor(\\n        address _libAddressManager\\n    ) public {\\n        libAddressManager = Lib_AddressManager(_libAddressManager);\\n    }\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    function resolve(\\n        string memory _name\\n    )\\n        public\\n        view\\n        returns (\\n            address _contract\\n        )\\n    {\\n        return libAddressManager.getAddress(_name);\\n    }\\n}\\n\",\"keccak256\":\"0xf3b9d78b309ddeec259ce3e0e1cfdef3ca40938e9a81971b28ce2b8ea327f533\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/resolver/Lib_Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n// +build ovm\\npragma solidity >0.5.0 <0.8.0;\\n\\n/**\\n * @title Ownable\\n * @dev Adapted from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol\\n */\\nabstract contract Ownable {\\n\\n    /*************\\n     * Variables *\\n     *************/\\n\\n    address public owner;\\n\\n\\n    /**********\\n     * Events *\\n     **********/\\n\\n    event OwnershipTransferred(\\n        address indexed previousOwner,\\n        address indexed newOwner\\n    );\\n\\n\\n    /***************\\n     * Constructor *\\n     ***************/\\n\\n    constructor() internal {\\n        owner = msg.sender;\\n        emit OwnershipTransferred(address(0), owner);\\n    }\\n\\n\\n    /**********************\\n     * Function Modifiers *\\n     **********************/\\n\\n    modifier onlyOwner() {\\n        require(\\n            owner == msg.sender,\\n            \\\"Ownable: caller is not the owner\\\"\\n        );\\n        _;\\n    }\\n\\n\\n    /********************\\n     * Public Functions *\\n     ********************/\\n\\n    function renounceOwnership()\\n        public\\n        virtual\\n        onlyOwner\\n    {\\n        emit OwnershipTransferred(owner, address(0));\\n        owner = address(0);\\n    }\\n\\n    function transferOwnership(address _newOwner)\\n        public\\n        virtual\\n        onlyOwner\\n    {\\n        require(\\n            _newOwner != address(0),\\n            \\\"Ownable: new owner cannot be the zero address\\\"\\n        );\\n\\n        emit OwnershipTransferred(owner, _newOwner);\\n        owner = _newOwner;\\n    }\\n}\\n\",\"keccak256\":\"0xe0409fbd236d16ca6be439d9d97dd36d0d9a0697ee0062d49588b9d29c248e47\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/rlp/Lib_RLPReader.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title Lib_RLPReader\\n * @dev Adapted from \\\"RLPReader\\\" by Hamdi Allam (hamdi.allam97@gmail.com).\\n */\\nlibrary Lib_RLPReader {\\n\\n    /*************\\n     * Constants *\\n     *************/\\n\\n    uint256 constant internal MAX_LIST_LENGTH = 32;\\n\\n\\n    /*********\\n     * Enums *\\n     *********/\\n\\n    enum RLPItemType {\\n        DATA_ITEM,\\n        LIST_ITEM\\n    }\\n\\n    \\n    /***********\\n     * Structs *\\n     ***********/\\n\\n    struct RLPItem {\\n        uint256 length;\\n        uint256 ptr;\\n    }\\n    \\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n    \\n    /**\\n     * Converts bytes to a reference to memory position and length.\\n     * @param _in Input bytes to convert.\\n     * @return Output memory reference.\\n     */\\n    function toRLPItem(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            RLPItem memory\\n        )\\n    {\\n        uint256 ptr;\\n        assembly {\\n            ptr := add(_in, 32)\\n        }\\n\\n        return RLPItem({\\n            length: _in.length,\\n            ptr: ptr\\n        });\\n    }\\n\\n    /**\\n     * Reads an RLP list value into a list of RLP items.\\n     * @param _in RLP list value.\\n     * @return Decoded RLP list items.\\n     */\\n    function readList(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            RLPItem[] memory\\n        )\\n    {\\n        (\\n            uint256 listOffset,\\n            ,\\n            RLPItemType itemType\\n        ) = _decodeLength(_in);\\n\\n        require(\\n            itemType == RLPItemType.LIST_ITEM,\\n            \\\"Invalid RLP list value.\\\"\\n        );\\n\\n        // Solidity in-memory arrays can't be increased in size, but *can* be decreased in size by\\n        // writing to the length. Since we can't know the number of RLP items without looping over\\n        // the entire input, we'd have to loop twice to accurately size this array. It's easier to\\n        // simply set a reasonable maximum list length and decrease the size before we finish.\\n        RLPItem[] memory out = new RLPItem[](MAX_LIST_LENGTH);\\n\\n        uint256 itemCount = 0;\\n        uint256 offset = listOffset;\\n        while (offset < _in.length) {\\n            require(\\n                itemCount < MAX_LIST_LENGTH,\\n                \\\"Provided RLP list exceeds max list length.\\\"\\n            );\\n\\n            (\\n                uint256 itemOffset,\\n                uint256 itemLength,\\n            ) = _decodeLength(RLPItem({\\n                length: _in.length - offset,\\n                ptr: _in.ptr + offset\\n            }));\\n\\n            out[itemCount] = RLPItem({\\n                length: itemLength + itemOffset,\\n                ptr: _in.ptr + offset\\n            });\\n\\n            itemCount += 1;\\n            offset += itemOffset + itemLength;\\n        }\\n\\n        // Decrease the array size to match the actual item count.\\n        assembly {\\n            mstore(out, itemCount)\\n        }\\n\\n        return out;\\n    }\\n\\n    /**\\n     * Reads an RLP list value into a list of RLP items.\\n     * @param _in RLP list value.\\n     * @return Decoded RLP list items.\\n     */\\n    function readList(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            RLPItem[] memory\\n        )\\n    {\\n        return readList(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP bytes value into bytes.\\n     * @param _in RLP bytes value.\\n     * @return Decoded bytes.\\n     */\\n    function readBytes(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        (\\n            uint256 itemOffset,\\n            uint256 itemLength,\\n            RLPItemType itemType\\n        ) = _decodeLength(_in);\\n\\n        require(\\n            itemType == RLPItemType.DATA_ITEM,\\n            \\\"Invalid RLP bytes value.\\\"\\n        );\\n\\n        return _copy(_in.ptr, itemOffset, itemLength);\\n    }\\n\\n    /**\\n     * Reads an RLP bytes value into bytes.\\n     * @param _in RLP bytes value.\\n     * @return Decoded bytes.\\n     */\\n    function readBytes(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        return readBytes(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP string value into a string.\\n     * @param _in RLP string value.\\n     * @return Decoded string.\\n     */\\n    function readString(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            string memory\\n        )\\n    {\\n        return string(readBytes(_in));\\n    }\\n\\n    /**\\n     * Reads an RLP string value into a string.\\n     * @param _in RLP string value.\\n     * @return Decoded string.\\n     */\\n    function readString(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            string memory\\n        )\\n    {\\n        return readString(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP bytes32 value into a bytes32.\\n     * @param _in RLP bytes32 value.\\n     * @return Decoded bytes32.\\n     */\\n    function readBytes32(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32\\n        )\\n    {\\n        require(\\n            _in.length <= 33,\\n            \\\"Invalid RLP bytes32 value.\\\"\\n        );\\n\\n        (\\n            uint256 itemOffset,\\n            uint256 itemLength,\\n            RLPItemType itemType\\n        ) = _decodeLength(_in);\\n\\n        require(\\n            itemType == RLPItemType.DATA_ITEM,\\n            \\\"Invalid RLP bytes32 value.\\\"\\n        );\\n\\n        uint256 ptr = _in.ptr + itemOffset;\\n        bytes32 out;\\n        assembly {\\n            out := mload(ptr)\\n\\n            // Shift the bytes over to match the item size.\\n            if lt(itemLength, 32) {\\n                out := div(out, exp(256, sub(32, itemLength)))\\n            }\\n        }\\n\\n        return out;\\n    }\\n\\n    /**\\n     * Reads an RLP bytes32 value into a bytes32.\\n     * @param _in RLP bytes32 value.\\n     * @return Decoded bytes32.\\n     */\\n    function readBytes32(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32\\n        )\\n    {\\n        return readBytes32(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP uint256 value into a uint256.\\n     * @param _in RLP uint256 value.\\n     * @return Decoded uint256.\\n     */\\n    function readUint256(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            uint256\\n        )\\n    {\\n        return uint256(readBytes32(_in));\\n    }\\n\\n    /**\\n     * Reads an RLP uint256 value into a uint256.\\n     * @param _in RLP uint256 value.\\n     * @return Decoded uint256.\\n     */\\n    function readUint256(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            uint256\\n        )\\n    {\\n        return readUint256(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP bool value into a bool.\\n     * @param _in RLP bool value.\\n     * @return Decoded bool.\\n     */\\n    function readBool(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bool\\n        )\\n    {\\n        require(\\n            _in.length == 1,\\n            \\\"Invalid RLP boolean value.\\\"\\n        );\\n\\n        uint256 ptr = _in.ptr;\\n        uint256 out;\\n        assembly {\\n            out := byte(0, mload(ptr))\\n        }\\n\\n        return out != 0;\\n    }\\n\\n    /**\\n     * Reads an RLP bool value into a bool.\\n     * @param _in RLP bool value.\\n     * @return Decoded bool.\\n     */\\n    function readBool(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bool\\n        )\\n    {\\n        return readBool(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads an RLP address value into a address.\\n     * @param _in RLP address value.\\n     * @return Decoded address.\\n     */\\n    function readAddress(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            address\\n        )\\n    {\\n        if (_in.length == 1) {\\n            return address(0);\\n        }\\n\\n        require(\\n            _in.length == 21,\\n            \\\"Invalid RLP address value.\\\"\\n        );\\n\\n        return address(readUint256(_in));\\n    }\\n\\n    /**\\n     * Reads an RLP address value into a address.\\n     * @param _in RLP address value.\\n     * @return Decoded address.\\n     */\\n    function readAddress(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            address\\n        )\\n    {\\n        return readAddress(\\n            toRLPItem(_in)\\n        );\\n    }\\n\\n    /**\\n     * Reads the raw bytes of an RLP item.\\n     * @param _in RLP item to read.\\n     * @return Raw RLP bytes.\\n     */\\n    function readRawBytes(\\n        RLPItem memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        return _copy(_in);\\n    }\\n\\n\\n    /*********************\\n     * Private Functions *\\n     *********************/\\n\\n    /**\\n     * Decodes the length of an RLP item.\\n     * @param _in RLP item to decode.\\n     * @return Offset of the encoded data.\\n     * @return Length of the encoded data.\\n     * @return RLP item type (LIST_ITEM or DATA_ITEM).\\n     */\\n    function _decodeLength(\\n        RLPItem memory _in\\n    )\\n        private\\n        pure\\n        returns (\\n            uint256,\\n            uint256,\\n            RLPItemType\\n        )\\n    {\\n        require(\\n            _in.length > 0,\\n            \\\"RLP item cannot be null.\\\"\\n        );\\n\\n        uint256 ptr = _in.ptr;\\n        uint256 prefix;\\n        assembly {\\n            prefix := byte(0, mload(ptr))\\n        }\\n\\n        if (prefix <= 0x7f) {\\n            // Single byte.\\n\\n            return (0, 1, RLPItemType.DATA_ITEM);\\n        } else if (prefix <= 0xb7) {\\n            // Short string.\\n\\n            uint256 strLen = prefix - 0x80;\\n            \\n            require(\\n                _in.length > strLen,\\n                \\\"Invalid RLP short string.\\\"\\n            );\\n\\n            return (1, strLen, RLPItemType.DATA_ITEM);\\n        } else if (prefix <= 0xbf) {\\n            // Long string.\\n            uint256 lenOfStrLen = prefix - 0xb7;\\n\\n            require(\\n                _in.length > lenOfStrLen,\\n                \\\"Invalid RLP long string length.\\\"\\n            );\\n\\n            uint256 strLen;\\n            assembly {\\n                // Pick out the string length.\\n                strLen := div(\\n                    mload(add(ptr, 1)),\\n                    exp(256, sub(32, lenOfStrLen))\\n                )\\n            }\\n\\n            require(\\n                _in.length > lenOfStrLen + strLen,\\n                \\\"Invalid RLP long string.\\\"\\n            );\\n\\n            return (1 + lenOfStrLen, strLen, RLPItemType.DATA_ITEM);\\n        } else if (prefix <= 0xf7) {\\n            // Short list.\\n            uint256 listLen = prefix - 0xc0;\\n\\n            require(\\n                _in.length > listLen,\\n                \\\"Invalid RLP short list.\\\"\\n            );\\n\\n            return (1, listLen, RLPItemType.LIST_ITEM);\\n        } else {\\n            // Long list.\\n            uint256 lenOfListLen = prefix - 0xf7;\\n\\n            require(\\n                _in.length > lenOfListLen,\\n                \\\"Invalid RLP long list length.\\\"\\n            );\\n\\n            uint256 listLen;\\n            assembly {\\n                // Pick out the list length.\\n                listLen := div(\\n                    mload(add(ptr, 1)),\\n                    exp(256, sub(32, lenOfListLen))\\n                )\\n            }\\n\\n            require(\\n                _in.length > lenOfListLen + listLen,\\n                \\\"Invalid RLP long list.\\\"\\n            );\\n\\n            return (1 + lenOfListLen, listLen, RLPItemType.LIST_ITEM);\\n        }\\n    }\\n\\n    /**\\n     * Copies the bytes from a memory location.\\n     * @param _src Pointer to the location to read from.\\n     * @param _offset Offset to start reading from.\\n     * @param _length Number of bytes to read.\\n     * @return Copied bytes.\\n     */\\n    function _copy(\\n        uint256 _src,\\n        uint256 _offset,\\n        uint256 _length\\n    )\\n        private\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        bytes memory out = new bytes(_length);\\n        if (out.length == 0) {\\n            return out;\\n        }\\n\\n        uint256 src = _src + _offset;\\n        uint256 dest;\\n        assembly {\\n            dest := add(out, 32)\\n        }\\n\\n        // Copy over as many complete words as we can.\\n        for (uint256 i = 0; i < _length / 32; i++) {\\n            assembly {\\n                mstore(dest, mload(src))\\n            }\\n\\n            src += 32;\\n            dest += 32;\\n        }\\n\\n        // Pick out the remaining bytes.\\n        uint256 mask = 256 ** (32 - (_length % 32)) - 1;\\n        assembly {\\n            mstore(\\n                dest,\\n                or(\\n                    and(mload(src), not(mask)),\\n                    and(mload(dest), mask)\\n                )\\n            )\\n        }\\n\\n        return out;\\n    }\\n\\n    /**\\n     * Copies an RLP item into bytes.\\n     * @param _in RLP item to copy.\\n     * @return Copied bytes.\\n     */\\n    function _copy(\\n        RLPItem memory _in\\n    )\\n        private\\n        pure\\n        returns (\\n            bytes memory\\n        )\\n    {\\n        return _copy(_in.ptr, 0, _in.length);\\n    }\\n}\\n\",\"keccak256\":\"0x8338f7b6e5f0ded8fc36d9088fd127ee53ae4040ca3f4838eb6123f642d38c62\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/rlp/Lib_RLPWriter.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\npragma experimental ABIEncoderV2;\\n\\n/* Library Imports */\\nimport { Lib_BytesUtils } from \\\"../utils/Lib_BytesUtils.sol\\\";\\n\\n/**\\n * @title Lib_RLPWriter\\n * @author Bakaoh (with modifications)\\n */\\nlibrary Lib_RLPWriter {\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    /**\\n     * RLP encodes a byte string.\\n     * @param _in The byte string to encode.\\n     * @return _out The RLP encoded string in bytes.\\n     */\\n    function writeBytes(\\n        bytes memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        bytes memory encoded;\\n\\n        if (_in.length == 1 && uint8(_in[0]) < 128) {\\n            encoded = _in;\\n        } else {\\n            encoded = Lib_BytesUtils.concat(_writeLength(_in.length, 128), _in);\\n        }\\n\\n        return encoded;\\n    }\\n\\n    /**\\n     * RLP encodes a list of RLP encoded byte byte strings.\\n     * @param _in The list of RLP encoded byte strings.\\n     * @return _out The RLP encoded list of items in bytes.\\n     */\\n    function writeList(\\n        bytes[] memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        bytes memory list = _flatten(_in);\\n        return Lib_BytesUtils.concat(_writeLength(list.length, 192), list);\\n    }\\n\\n    /**\\n     * RLP encodes a string.\\n     * @param _in The string to encode.\\n     * @return _out The RLP encoded string in bytes.\\n     */\\n    function writeString(\\n        string memory _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        return writeBytes(bytes(_in));\\n    }\\n\\n    /**\\n     * RLP encodes an address.\\n     * @param _in The address to encode.\\n     * @return _out The RLP encoded address in bytes.\\n     */\\n    function writeAddress(\\n        address _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        return writeBytes(abi.encodePacked(_in));\\n    }\\n\\n    /**\\n     * RLP encodes a uint.\\n     * @param _in The uint256 to encode.\\n     * @return _out The RLP encoded uint256 in bytes.\\n     */\\n    function writeUint(\\n        uint256 _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        return writeBytes(_toBinary(_in));\\n    }\\n\\n    /**\\n     * RLP encodes a bool.\\n     * @param _in The bool to encode.\\n     * @return _out The RLP encoded bool in bytes.\\n     */\\n    function writeBool(\\n        bool _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        bytes memory encoded = new bytes(1);\\n        encoded[0] = (_in ? bytes1(0x01) : bytes1(0x80));\\n        return encoded;\\n    }\\n\\n\\n    /*********************\\n     * Private Functions *\\n     *********************/\\n\\n    /**\\n     * Encode the first byte, followed by the `len` in binary form if `length` is more than 55.\\n     * @param _len The length of the string or the payload.\\n     * @param _offset 128 if item is string, 192 if item is list.\\n     * @return _encoded RLP encoded bytes.\\n     */\\n    function _writeLength(\\n        uint256 _len,\\n        uint256 _offset\\n    )\\n        private\\n        pure\\n        returns (\\n            bytes memory _encoded\\n        )\\n    {\\n        bytes memory encoded;\\n\\n        if (_len < 56) {\\n            encoded = new bytes(1);\\n            encoded[0] = byte(uint8(_len) + uint8(_offset));\\n        } else {\\n            uint256 lenLen;\\n            uint256 i = 1;\\n            while (_len / i != 0) {\\n                lenLen++;\\n                i *= 256;\\n            }\\n\\n            encoded = new bytes(lenLen + 1);\\n            encoded[0] = byte(uint8(lenLen) + uint8(_offset) + 55);\\n            for(i = 1; i <= lenLen; i++) {\\n                encoded[i] = byte(uint8((_len / (256**(lenLen-i))) % 256));\\n            }\\n        }\\n\\n        return encoded;\\n    }\\n\\n    /**\\n     * Encode integer in big endian binary form with no leading zeroes.\\n     * @notice TODO: This should be optimized with assembly to save gas costs.\\n     * @param _x The integer to encode.\\n     * @return _binary RLP encoded bytes.\\n     */\\n    function _toBinary(\\n        uint256 _x\\n    )\\n        private\\n        pure\\n        returns (\\n            bytes memory _binary\\n        )\\n    {\\n        bytes memory b = abi.encodePacked(_x);\\n\\n        uint256 i = 0;\\n        for (; i < 32; i++) {\\n            if (b[i] != 0) {\\n                break;\\n            }\\n        }\\n\\n        bytes memory res = new bytes(32 - i);\\n        for (uint256 j = 0; j < res.length; j++) {\\n            res[j] = b[i++];\\n        }\\n\\n        return res;\\n    }\\n\\n    /**\\n     * Copies a piece of memory to another location.\\n     * @notice From: https://github.com/Arachnid/solidity-stringutils/blob/master/src/strings.sol.\\n     * @param _dest Destination location.\\n     * @param _src Source location.\\n     * @param _len Length of memory to copy.\\n     */\\n    function _memcpy(\\n        uint256 _dest,\\n        uint256 _src,\\n        uint256 _len\\n    )\\n        private\\n        pure\\n    {\\n        uint256 dest = _dest;\\n        uint256 src = _src;\\n        uint256 len = _len;\\n\\n        for(; len >= 32; len -= 32) {\\n            assembly {\\n                mstore(dest, mload(src))\\n            }\\n            dest += 32;\\n            src += 32;\\n        }\\n\\n        uint256 mask = 256 ** (32 - len) - 1;\\n        assembly {\\n            let srcpart := and(mload(src), not(mask))\\n            let destpart := and(mload(dest), mask)\\n            mstore(dest, or(destpart, srcpart))\\n        }\\n    }\\n\\n    /**\\n     * Flattens a list of byte strings into one byte string.\\n     * @notice From: https://github.com/sammayo/solidity-rlp-encoder/blob/master/RLPEncode.sol.\\n     * @param _list List of byte strings to flatten.\\n     * @return _flattened The flattened byte string.\\n     */\\n    function _flatten(\\n        bytes[] memory _list\\n    )\\n        private\\n        pure\\n        returns (\\n            bytes memory _flattened\\n        )\\n    {\\n        if (_list.length == 0) {\\n            return new bytes(0);\\n        }\\n\\n        uint256 len;\\n        uint256 i = 0;\\n        for (; i < _list.length; i++) {\\n            len += _list[i].length;\\n        }\\n\\n        bytes memory flattened = new bytes(len);\\n        uint256 flattenedPtr;\\n        assembly { flattenedPtr := add(flattened, 0x20) }\\n\\n        for(i = 0; i < _list.length; i++) {\\n            bytes memory item = _list[i];\\n\\n            uint256 listPtr;\\n            assembly { listPtr := add(item, 0x20)}\\n\\n            _memcpy(flattenedPtr, listPtr, item.length);\\n            flattenedPtr += _list[i].length;\\n        }\\n\\n        return flattened;\\n    }\\n}\",\"keccak256\":\"0x6d1aaef567f8a91bb965b95a95637f433a1f0ac4cf0bc1e209cdb1dd5b0f204b\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/utils/Lib_Bytes32Utils.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title Lib_Byte32Utils\\n */\\nlibrary Lib_Bytes32Utils {\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    function toBool(\\n        bytes32 _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bool _out\\n        )\\n    {\\n        return _in != 0;\\n    }\\n\\n    function fromBool(\\n        bool _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32 _out\\n        )\\n    {\\n        return bytes32(uint256(_in ? 1 : 0));\\n    }\\n\\n    function toAddress(\\n        bytes32 _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            address _out\\n        )\\n    {\\n        return address(uint160(uint256(_in)));\\n    }\\n\\n    function fromAddress(\\n        address _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes32 _out\\n        )\\n    {\\n        return bytes32(uint256(_in));\\n    }\\n\\n    function removeLeadingZeros(\\n        bytes32 _in\\n    )\\n        internal\\n        pure\\n        returns (\\n            bytes memory _out\\n        )\\n    {\\n        bytes memory out;\\n\\n        assembly {\\n            // Figure out how many leading zero bytes to remove.\\n            let shift := 0\\n            for { let i := 0 } and(lt(i, 32), eq(byte(i, _in), 0)) { i := add(i, 1) } {\\n                shift := add(shift, 1)\\n            }\\n\\n            // Reserve some space for our output and fix the free memory pointer.\\n            out := mload(0x40)\\n            mstore(0x40, add(out, 0x40))\\n\\n            // Shift the value and store it into the output bytes.\\n            mstore(add(out, 0x20), shl(mul(shift, 8), _in))\\n\\n            // Store the new size (with leading zero bytes removed) in the output byte size.\\n            mstore(out, sub(32, shift))\\n        }\\n\\n        return out;\\n    }\\n}\\n\",\"keccak256\":\"0x06f97590a80a01daa3bf6aa795449aea91a78684c646b4a6caeece8ef919c80c\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/utils/Lib_BytesUtils.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title Lib_BytesUtils\\n */\\nlibrary Lib_BytesUtils {\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    function concat(\\n        bytes memory _preBytes,\\n        bytes memory _postBytes\\n    )\\n        internal\\n        pure\\n        returns (bytes memory)\\n    {\\n        bytes memory tempBytes;\\n\\n        assembly {\\n            // Get a location of some free memory and store it in tempBytes as\\n            // Solidity does for memory variables.\\n            tempBytes := mload(0x40)\\n\\n            // Store the length of the first bytes array at the beginning of\\n            // the memory for tempBytes.\\n            let length := mload(_preBytes)\\n            mstore(tempBytes, length)\\n\\n            // Maintain a memory counter for the current write location in the\\n            // temp bytes array by adding the 32 bytes for the array length to\\n            // the starting location.\\n            let mc := add(tempBytes, 0x20)\\n            // Stop copying when the memory counter reaches the length of the\\n            // first bytes array.\\n            let end := add(mc, length)\\n\\n            for {\\n                // Initialize a copy counter to the start of the _preBytes data,\\n                // 32 bytes into its memory.\\n                let cc := add(_preBytes, 0x20)\\n            } lt(mc, end) {\\n                // Increase both counters by 32 bytes each iteration.\\n                mc := add(mc, 0x20)\\n                cc := add(cc, 0x20)\\n            } {\\n                // Write the _preBytes data into the tempBytes memory 32 bytes\\n                // at a time.\\n                mstore(mc, mload(cc))\\n            }\\n\\n            // Add the length of _postBytes to the current length of tempBytes\\n            // and store it as the new length in the first 32 bytes of the\\n            // tempBytes memory.\\n            length := mload(_postBytes)\\n            mstore(tempBytes, add(length, mload(tempBytes)))\\n\\n            // Move the memory counter back from a multiple of 0x20 to the\\n            // actual end of the _preBytes data.\\n            mc := end\\n            // Stop copying when the memory counter reaches the new combined\\n            // length of the arrays.\\n            end := add(mc, length)\\n\\n            for {\\n                let cc := add(_postBytes, 0x20)\\n            } lt(mc, end) {\\n                mc := add(mc, 0x20)\\n                cc := add(cc, 0x20)\\n            } {\\n                mstore(mc, mload(cc))\\n            }\\n\\n            // Update the free-memory pointer by padding our last write location\\n            // to 32 bytes: add 31 bytes to the end of tempBytes to move to the\\n            // next 32 byte block, then round down to the nearest multiple of\\n            // 32. If the sum of the length of the two arrays is zero then add\\n            // one before rounding down to leave a blank 32 bytes (the length block with 0).\\n            mstore(0x40, and(\\n              add(add(end, iszero(add(length, mload(_preBytes)))), 31),\\n              not(31) // Round down to the nearest 32 bytes.\\n            ))\\n        }\\n\\n        return tempBytes;\\n    }\\n\\n    function slice(\\n        bytes memory _bytes,\\n        uint256 _start,\\n        uint256 _length\\n    )\\n        internal\\n        pure\\n        returns (bytes memory)\\n    {\\n        require(_length + 31 >= _length, \\\"slice_overflow\\\");\\n        require(_start + _length >= _start, \\\"slice_overflow\\\");\\n        require(_bytes.length >= _start + _length, \\\"slice_outOfBounds\\\");\\n\\n        bytes memory tempBytes;\\n\\n        assembly {\\n            switch iszero(_length)\\n            case 0 {\\n                // Get a location of some free memory and store it in tempBytes as\\n                // Solidity does for memory variables.\\n                tempBytes := mload(0x40)\\n\\n                // The first word of the slice result is potentially a partial\\n                // word read from the original array. To read it, we calculate\\n                // the length of that partial word and start copying that many\\n                // bytes into the array. The first word we copy will start with\\n                // data we don't care about, but the last `lengthmod` bytes will\\n                // land at the beginning of the contents of the new array. When\\n                // we're done copying, we overwrite the full first word with\\n                // the actual length of the slice.\\n                let lengthmod := and(_length, 31)\\n\\n                // The multiplication in the next line is necessary\\n                // because when slicing multiples of 32 bytes (lengthmod == 0)\\n                // the following copy loop was copying the origin's length\\n                // and then ending prematurely not copying everything it should.\\n                let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))\\n                let end := add(mc, _length)\\n\\n                for {\\n                    // The multiplication in the next line has the same exact purpose\\n                    // as the one above.\\n                    let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)\\n                } lt(mc, end) {\\n                    mc := add(mc, 0x20)\\n                    cc := add(cc, 0x20)\\n                } {\\n                    mstore(mc, mload(cc))\\n                }\\n\\n                mstore(tempBytes, _length)\\n\\n                //update free-memory pointer\\n                //allocating the array padded to 32 bytes like the compiler does now\\n                mstore(0x40, and(add(mc, 31), not(31)))\\n            }\\n            //if we want a zero-length slice let's just return a zero-length array\\n            default {\\n                tempBytes := mload(0x40)\\n\\n                //zero out the 32 bytes slice we are about to return\\n                //we need to do it because Solidity does not garbage collect\\n                mstore(tempBytes, 0)\\n\\n                mstore(0x40, add(tempBytes, 0x20))\\n            }\\n        }\\n\\n        return tempBytes;\\n    }\\n\\n    function slice(\\n        bytes memory _bytes,\\n        uint256 _start\\n    )\\n        internal\\n        pure\\n        returns (bytes memory)\\n    {\\n        if (_bytes.length - _start == 0) {\\n            return bytes('');\\n        }\\n\\n        return slice(_bytes, _start, _bytes.length - _start);\\n    }\\n\\n    function toBytes32PadLeft(\\n        bytes memory _bytes\\n    )\\n        internal\\n        pure\\n        returns (bytes32)\\n    {\\n        bytes32 ret;\\n        uint256 len = _bytes.length <= 32 ? _bytes.length : 32;\\n        assembly {\\n            ret := shr(mul(sub(32, len), 8), mload(add(_bytes, 32)))\\n        }\\n        return ret;\\n    }\\n\\n    function toBytes32(\\n        bytes memory _bytes\\n    )\\n        internal\\n        pure\\n        returns (bytes32)\\n    {\\n        if (_bytes.length < 32) {\\n            bytes32 ret;\\n            assembly {\\n                ret := mload(add(_bytes, 32))\\n            }\\n            return ret;\\n        }\\n\\n        return abi.decode(_bytes,(bytes32)); // will truncate if input length > 32 bytes\\n    }\\n\\n    function toUint256(\\n        bytes memory _bytes\\n    )\\n        internal\\n        pure\\n        returns (uint256)\\n    {\\n        return uint256(toBytes32(_bytes));\\n    }\\n\\n    function toUint24(bytes memory _bytes, uint256 _start) internal pure returns (uint24) {\\n        require(_start + 3 >= _start, \\\"toUint24_overflow\\\");\\n        require(_bytes.length >= _start + 3 , \\\"toUint24_outOfBounds\\\");\\n        uint24 tempUint;\\n\\n        assembly {\\n            tempUint := mload(add(add(_bytes, 0x3), _start))\\n        }\\n\\n        return tempUint;\\n    }\\n\\n    function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) {\\n        require(_start + 1 >= _start, \\\"toUint8_overflow\\\");\\n        require(_bytes.length >= _start + 1 , \\\"toUint8_outOfBounds\\\");\\n        uint8 tempUint;\\n\\n        assembly {\\n            tempUint := mload(add(add(_bytes, 0x1), _start))\\n        }\\n\\n        return tempUint;\\n    }\\n\\n    function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) {\\n        require(_start + 20 >= _start, \\\"toAddress_overflow\\\");\\n        require(_bytes.length >= _start + 20, \\\"toAddress_outOfBounds\\\");\\n        address tempAddress;\\n\\n        assembly {\\n            tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)\\n        }\\n\\n        return tempAddress;\\n    }\\n\\n    function toNibbles(\\n        bytes memory _bytes\\n    )\\n        internal\\n        pure\\n        returns (bytes memory)\\n    {\\n        bytes memory nibbles = new bytes(_bytes.length * 2);\\n\\n        for (uint256 i = 0; i < _bytes.length; i++) {\\n            nibbles[i * 2] = _bytes[i] >> 4;\\n            nibbles[i * 2 + 1] = bytes1(uint8(_bytes[i]) % 16);\\n        }\\n\\n        return nibbles;\\n    }\\n\\n    function fromNibbles(\\n        bytes memory _bytes\\n    )\\n        internal\\n        pure\\n        returns (bytes memory)\\n    {\\n        bytes memory ret = new bytes(_bytes.length / 2);\\n\\n        for (uint256 i = 0; i < ret.length; i++) {\\n            ret[i] = (_bytes[i * 2] << 4) | (_bytes[i * 2 + 1]);\\n        }\\n\\n        return ret;\\n    }\\n\\n    function equal(\\n        bytes memory _bytes,\\n        bytes memory _other\\n    )\\n        internal\\n        pure\\n        returns (bool)\\n    {\\n        return keccak256(_bytes) == keccak256(_other);\\n    }\\n}\\n\",\"keccak256\":\"0x849e4fedd81cd260e4c3b74b953f00636323574c60d363f36ab331e94aab9219\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/utils/Lib_MerkleTree.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title Lib_MerkleTree\\n * @author River Keefer\\n */\\nlibrary Lib_MerkleTree {\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    /**\\n     * Calculates a merkle root for a list of 32-byte leaf hashes.  WARNING: If the number\\n     * of leaves passed in is not a power of two, it pads out the tree with zero hashes.\\n     * If you do not know the original length of elements for the tree you are verifying,\\n     * then this may allow empty leaves past _elements.length to pass a verification check down the line.\\n     * @param _elements Array of hashes from which to generate a merkle root.\\n     * @return Merkle root of the leaves, with zero hashes for non-powers-of-two (see above).\\n     */\\n    function getMerkleRoot(\\n        bytes32[] memory _elements\\n    )\\n        internal\\n        view\\n        returns (\\n            bytes32\\n        )\\n    {\\n        require(\\n            _elements.length > 0,\\n            \\\"Lib_MerkleTree: Must provide at least one leaf hash.\\\"\\n        );\\n\\n        if (_elements.length == 0) {\\n            return _elements[0];\\n        }\\n\\n        uint256[16] memory defaults = [\\n            0x290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563,\\n            0x633dc4d7da7256660a892f8f1604a44b5432649cc8ec5cb3ced4c4e6ac94dd1d,\\n            0x890740a8eb06ce9be422cb8da5cdafc2b58c0a5e24036c578de2a433c828ff7d,\\n            0x3b8ec09e026fdc305365dfc94e189a81b38c7597b3d941c279f042e8206e0bd8,\\n            0xecd50eee38e386bd62be9bedb990706951b65fe053bd9d8a521af753d139e2da,\\n            0xdefff6d330bb5403f63b14f33b578274160de3a50df4efecf0e0db73bcdd3da5,\\n            0x617bdd11f7c0a11f49db22f629387a12da7596f9d1704d7465177c63d88ec7d7,\\n            0x292c23a9aa1d8bea7e2435e555a4a60e379a5a35f3f452bae60121073fb6eead,\\n            0xe1cea92ed99acdcb045a6726b2f87107e8a61620a232cf4d7d5b5766b3952e10,\\n            0x7ad66c0a68c72cb89e4fb4303841966e4062a76ab97451e3b9fb526a5ceb7f82,\\n            0xe026cc5a4aed3c22a58cbd3d2ac754c9352c5436f638042dca99034e83636516,\\n            0x3d04cffd8b46a874edf5cfae63077de85f849a660426697b06a829c70dd1409c,\\n            0xad676aa337a485e4728a0b240d92b3ef7b3c372d06d189322bfd5f61f1e7203e,\\n            0xa2fca4a49658f9fab7aa63289c91b7c7b6c832a6d0e69334ff5b0a3483d09dab,\\n            0x4ebfd9cd7bca2505f7bef59cc1c12ecc708fff26ae4af19abe852afe9e20c862,\\n            0x2def10d13dd169f550f578bda343d9717a138562e0093b380a1120789d53cf10\\n        ];\\n\\n        // Reserve memory space for our hashes.\\n        bytes memory buf = new bytes(64);\\n\\n        // We'll need to keep track of left and right siblings.\\n        bytes32 leftSibling;\\n        bytes32 rightSibling;\\n\\n        // Number of non-empty nodes at the current depth.\\n        uint256 rowSize = _elements.length;\\n\\n        // Current depth, counting from 0 at the leaves\\n        uint256 depth = 0;\\n\\n        // Common sub-expressions\\n        uint256 halfRowSize;         // rowSize / 2\\n        bool rowSizeIsOdd;           // rowSize % 2 == 1\\n\\n        while (rowSize > 1) {\\n            halfRowSize = rowSize / 2;\\n            rowSizeIsOdd = rowSize % 2 == 1;\\n\\n            for (uint256 i = 0; i < halfRowSize; i++) {\\n                leftSibling  = _elements[(2 * i)    ];\\n                rightSibling = _elements[(2 * i) + 1];\\n                assembly {\\n                    mstore(add(buf, 32), leftSibling )\\n                    mstore(add(buf, 64), rightSibling)\\n                }\\n\\n                _elements[i] = keccak256(buf);\\n            }\\n\\n            if (rowSizeIsOdd) {\\n                leftSibling  = _elements[rowSize - 1];\\n                rightSibling = bytes32(defaults[depth]);\\n                assembly {\\n                    mstore(add(buf, 32), leftSibling)\\n                    mstore(add(buf, 64), rightSibling)\\n                }\\n\\n                _elements[halfRowSize] = keccak256(buf);\\n            }\\n\\n            rowSize = halfRowSize + (rowSizeIsOdd ? 1 : 0);\\n            depth++;\\n        }\\n\\n        return _elements[0];\\n    }\\n\\n    /**\\n     * Verifies a merkle branch for the given leaf hash.  Assumes the original length\\n     * of leaves generated is a known, correct input, and does not return true for indices \\n     * extending past that index (even if _siblings would be otherwise valid.)\\n     * @param _root The Merkle root to verify against.\\n     * @param _leaf The leaf hash to verify inclusion of.\\n     * @param _index The index in the tree of this leaf.\\n     * @param _siblings Array of sibline nodes in the inclusion proof, starting from depth 0 (bottom of the tree). \\n     * @param _totalLeaves The total number of leaves originally passed into.\\n     * @return Whether or not the merkle branch and leaf passes verification.\\n     */\\n    function verify(\\n        bytes32 _root,\\n        bytes32 _leaf,\\n        uint256 _index,\\n        bytes32[] memory _siblings,\\n        uint256 _totalLeaves\\n    )\\n        internal\\n        pure\\n        returns (\\n            bool\\n        )\\n    {\\n        require(\\n            _totalLeaves > 0,\\n            \\\"Lib_MerkleTree: Total leaves must be greater than zero.\\\"\\n        );\\n\\n        require(\\n            _index < _totalLeaves,\\n            \\\"Lib_MerkleTree: Index out of bounds.\\\"\\n        );\\n\\n        require(\\n            _siblings.length == _ceilLog2(_totalLeaves),\\n            \\\"Lib_MerkleTree: Total siblings does not correctly correspond to total leaves.\\\"\\n        );\\n\\n        bytes32 computedRoot = _leaf;\\n\\n        for (uint256 i = 0; i < _siblings.length; i++) {\\n            if ((_index & 1) == 1) {\\n                computedRoot = keccak256(\\n                    abi.encodePacked(\\n                        _siblings[i],\\n                        computedRoot\\n                    )\\n                );\\n            } else {\\n                computedRoot = keccak256(\\n                    abi.encodePacked(\\n                        computedRoot,\\n                        _siblings[i]\\n                    )\\n                );\\n            }\\n\\n            _index >>= 1;\\n        }\\n\\n        return _root == computedRoot;\\n    }\\n\\n\\n    /*********************\\n     * Private Functions *\\n     *********************/\\n\\n    /**\\n     * Calculates the integer ceiling of the log base 2 of an input.\\n     * @param _in Unsigned input to calculate the log.\\n     * @return ceil(log_base_2(_in))\\n     */\\n    function _ceilLog2(\\n        uint256 _in\\n    )\\n        private\\n        pure\\n        returns (\\n            uint256\\n        )\\n    {   \\n        require(\\n            _in > 0,\\n            \\\"Lib_MerkleTree: Cannot compute ceil(log_2) of 0.\\\"\\n        );\\n\\n        if (_in == 1) {\\n            return 0;\\n        }\\n\\n        // Find the highest set bit (will be floor(log_2)).\\n        // Borrowed with <3 from https://github.com/ethereum/solidity-examples\\n        uint256 val = _in;\\n        uint256 highest = 0;\\n        for (uint8 i = 128; i >= 1; i >>= 1) {\\n            if (val & (uint(1) << i) - 1 << i != 0) {\\n                highest += i;\\n                val >>= i;\\n            }\\n        }\\n\\n        // Increment by one if this is not a perfect logarithm.\\n        if ((uint(1) << highest) != _in) {\\n            highest += 1;\\n        }\\n\\n        return highest;\\n    }\\n}\\n\",\"keccak256\":\"0x5a859eccd3c4e7e31db90f3022069a725d5389e16fbcace3fe653d6b0acf80f6\",\"license\":\"MIT\"},\"contracts/optimistic-ethereum/libraries/wrappers/Lib_SafeExecutionManagerWrapper.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.7.0;\\n\\n/**\\n * @title Lib_SafeExecutionManagerWrapper\\n */\\nlibrary Lib_SafeExecutionManagerWrapper {\\n\\n    /**********************\\n     * Internal Functions *\\n     **********************/\\n\\n    /**\\n     * Makes an ovmCALL and performs all the necessary safety checks.\\n     * @param _gasLimit Gas limit for the call.\\n     * @param _target Address to call.\\n     * @param _calldata Data to send to the call.\\n     * @return _success Whether or not the call reverted.\\n     * @return _returndata Data returned by the call.\\n     */\\n    function safeCALL(\\n        uint256 _gasLimit,\\n        address _target,\\n        bytes memory _calldata\\n    )\\n        internal\\n        returns (\\n            bool _success,\\n            bytes memory _returndata\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmCALL(uint256,address,bytes)\\\",\\n                _gasLimit,\\n                _target,\\n                _calldata\\n            )\\n        );\\n\\n        return abi.decode(returndata, (bool, bytes));\\n    }\\n\\n    /**\\n     * Makes an ovmCALL and performs all the necessary safety checks.\\n     * @param _gasLimit Gas limit for the call.\\n     * @param _target Address to call.\\n     * @param _calldata Data to send to the call.\\n     * @return _success Whether or not the call reverted.\\n     * @return _returndata Data returned by the call.\\n     */\\n    function safeDELEGATECALL(\\n        uint256 _gasLimit,\\n        address _target,\\n        bytes memory _calldata\\n    )\\n        internal\\n        returns (\\n            bool _success,\\n            bytes memory _returndata\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmDELEGATECALL(uint256,address,bytes)\\\",\\n                _gasLimit,\\n                _target,\\n                _calldata\\n            )\\n        );\\n\\n        return abi.decode(returndata, (bool, bytes));\\n    }\\n\\n    /**\\n     * Performs an ovmCREATE and the necessary safety checks.\\n     * @param _gasLimit Gas limit for the creation.\\n     * @param _bytecode Code for the new contract.\\n     * @return _contract Address of the created contract.\\n     */\\n    function safeCREATE(\\n        uint256 _gasLimit,\\n        bytes memory _bytecode\\n    )\\n        internal\\n        returns (\\n            address _contract\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            _gasLimit,\\n            abi.encodeWithSignature(\\n                \\\"ovmCREATE(bytes)\\\",\\n                _bytecode\\n            )\\n        );\\n\\n        return abi.decode(returndata, (address));\\n    }\\n\\n    /**\\n     * Performs an ovmEXTCODESIZE and the necessary safety checks.\\n     * @param _contract Address of the contract to query the size of.\\n     * @return _EXTCODESIZE Size of the requested contract in bytes.\\n     */\\n    function safeEXTCODESIZE(\\n        address _contract\\n    )\\n        internal\\n        returns (\\n            uint256 _EXTCODESIZE\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmEXTCODESIZE(address)\\\",\\n                _contract\\n            )\\n        );\\n\\n        return abi.decode(returndata, (uint256));\\n    }\\n\\n    /**\\n     * Performs a safe ovmCHAINID call.\\n     * @return _CHAINID Result of calling ovmCHAINID.\\n     */\\n    function safeCHAINID()\\n        internal\\n        returns (\\n            uint256 _CHAINID\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmCHAINID()\\\"\\n            )\\n        );\\n\\n        return abi.decode(returndata, (uint256));\\n    }\\n\\n    /**\\n     * Performs a safe ovmCALLER call.\\n     * @return _CALLER Result of calling ovmCALLER.\\n     */\\n    function safeCALLER()\\n        internal\\n        returns (\\n            address _CALLER\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmCALLER()\\\"\\n            )\\n        );\\n\\n        return abi.decode(returndata, (address));\\n    }\\n\\n    /**\\n     * Performs a safe ovmADDRESS call.\\n     * @return _ADDRESS Result of calling ovmADDRESS.\\n     */\\n    function safeADDRESS()\\n        internal\\n        returns (\\n            address _ADDRESS\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmADDRESS()\\\"\\n            )\\n        );\\n\\n        return abi.decode(returndata, (address));\\n    }\\n\\n    /**\\n     * Performs a safe ovmGETNONCE call.\\n     * @return _nonce Result of calling ovmGETNONCE.\\n     */\\n    function safeGETNONCE()\\n        internal\\n        returns (\\n            uint256 _nonce\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmGETNONCE()\\\"\\n            )\\n        );\\n\\n        return abi.decode(returndata, (uint256));\\n    }\\n\\n    /**\\n     * Performs a safe ovmSETNONCE call.\\n     * @param _nonce New account nonce.\\n     */\\n    function safeSETNONCE(\\n        uint256 _nonce\\n    )\\n        internal\\n    {\\n        _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmSETNONCE(uint256)\\\",\\n                _nonce\\n            )\\n        );\\n    }\\n\\n    /**\\n     * Performs a safe ovmCREATEEOA call.\\n     * @param _messageHash Message hash which was signed by EOA\\n     * @param _v v value of signature (0 or 1)\\n     * @param _r r value of signature\\n     * @param _s s value of signature\\n     */\\n    function safeCREATEEOA(\\n        bytes32 _messageHash,\\n        uint8 _v,\\n        bytes32 _r,\\n        bytes32 _s\\n    )\\n        internal\\n    {\\n        _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmCREATEEOA(bytes32,uint8,bytes32,bytes32)\\\",\\n                _messageHash,\\n                _v,\\n                _r,\\n                _s\\n            )\\n        );\\n    }\\n\\n    /**\\n     * Performs a safe REVERT.\\n     * @param _reason String revert reason to pass along with the REVERT.\\n     */\\n    function safeREVERT(\\n        string memory _reason\\n    )\\n        internal\\n    {\\n        _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmREVERT(bytes)\\\",\\n                bytes(_reason)\\n            )\\n        );\\n    }\\n\\n    /**\\n     * Performs a safe \\\"require\\\".\\n     * @param _condition Boolean condition that must be true or will revert.\\n     * @param _reason String revert reason to pass along with the REVERT.\\n     */\\n    function safeREQUIRE(\\n        bool _condition,\\n        string memory _reason\\n    )\\n        internal\\n    {\\n        if (!_condition) {\\n            safeREVERT(\\n                _reason\\n            );\\n        }\\n    }\\n\\n    /**\\n     * Performs a safe ovmSLOAD call.\\n     */\\n    function safeSLOAD(\\n        bytes32 _key\\n    )\\n        internal\\n        returns (\\n            bytes32\\n        )\\n    {\\n        bytes memory returndata = _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmSLOAD(bytes32)\\\",\\n                _key\\n            )\\n        );\\n\\n        return abi.decode(returndata, (bytes32));\\n    }\\n\\n    /**\\n     * Performs a safe ovmSSTORE call.\\n     */\\n    function safeSSTORE(\\n        bytes32 _key,\\n        bytes32 _value\\n    )\\n        internal\\n    {\\n        _safeExecutionManagerInteraction(\\n            abi.encodeWithSignature(\\n                \\\"ovmSSTORE(bytes32,bytes32)\\\",\\n                _key,\\n                _value\\n            )\\n        );\\n    }\\n\\n    /*********************\\n     * Private Functions *\\n     *********************/\\n\\n    /**\\n     * Performs an ovm interaction and the necessary safety checks.\\n     * @param _gasLimit Gas limit for the interaction.\\n     * @param _calldata Data to send to the OVM_ExecutionManager (encoded with sighash).\\n     * @return _returndata Data sent back by the OVM_ExecutionManager.\\n     */\\n    function _safeExecutionManagerInteraction(\\n        uint256 _gasLimit,\\n        bytes memory _calldata\\n    )\\n        private\\n        returns (\\n            bytes memory _returndata\\n        )\\n    {\\n        address ovmExecutionManager = msg.sender;\\n        (\\n            bool success,\\n            bytes memory returndata\\n        ) = ovmExecutionManager.call{gas: _gasLimit}(_calldata);\\n\\n        if (success == false) {\\n            assembly {\\n                revert(add(returndata, 0x20), mload(returndata))\\n            }\\n        } else if (returndata.length == 1) {\\n            assembly {\\n                return(0, 1)\\n            }\\n        } else {\\n            return returndata;\\n        }\\n    }\\n\\n    function _safeExecutionManagerInteraction(\\n        bytes memory _calldata\\n    )\\n        private\\n        returns (\\n            bytes memory _returndata\\n        )\\n    {\\n        return _safeExecutionManagerInteraction(\\n            gasleft(),\\n            _calldata\\n        );\\n    }\\n}\\n\",\"keccak256\":\"0xdc30487ca1580f3498d4a1c4e26dc53158c00b44bd72da212a66267c22a139b0\",\"license\":\"MIT\"}},\"version\":1}",
  "bytecode": "[encoded data, 14268 characters]",
  "deployedBytecode": "[encoded data, 13926 characters]",
  "devdoc": {
    "kind": "dev",
    "methods": {
      "appendStateBatch(bytes32[],uint256)": {
        "params": {
          "_batch": "Batch of state roots.",
          "_shouldStartAtElement": "Index of the element at which this batch should start."
        }
      },
      "batches()": {
        "returns": {
          "_0": "Reference to the batch storage container."
        }
      },
      "constructor": {
        "params": {
          "_libAddressManager": "Address of the Address Manager."
        }
      },
      "deleteStateBatch((uint256,bytes32,uint256,uint256,bytes))": {
        "params": {
          "_batchHeader": "Header of the batch to start deleting from."
        }
      },
      "getLastSequencerTimestamp()": {
        "returns": {
          "_lastSequencerTimestamp": "Last sequencer batch timestamp."
        }
      },
      "getTotalBatches()": {
        "returns": {
          "_totalBatches": "Total submitted batches."
        }
      },
      "getTotalElements()": {
        "returns": {
          "_totalElements": "Total submitted elements."
        }
      },
      "insideFraudProofWindow((uint256,bytes32,uint256,uint256,bytes))": {
        "params": {
          "_batchHeader": "Header of the batch to check."
        },
        "returns": {
          "_inside": "Whether or not the batch is inside the fraud proof window."
        }
      },
      "verifyStateCommitment(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]))": {
        "params": {
          "_batchHeader": "Header of the batch in which the element was included.",
          "_element": "Hash of the element to verify a proof for.",
          "_proof": "Merkle inclusion proof for the element."
        }
      }
    },
    "title": "OVM_StateCommitmentChain",
    "version": 1
  },
  "userdoc": {
    "kind": "user",
    "methods": {
      "appendStateBatch(bytes32[],uint256)": {
        "notice": "Appends a batch of state roots to the chain."
      },
      "batches()": {
        "notice": "Accesses the batch storage container."
      },
      "deleteStateBatch((uint256,bytes32,uint256,uint256,bytes))": {
        "notice": "Deletes all state roots after (and including) a given batch."
      },
      "getLastSequencerTimestamp()": {
        "notice": "Retrieves the timestamp of the last batch submitted by the sequencer."
      },
      "getTotalBatches()": {
        "notice": "Retrieves the total number of batches submitted."
      },
      "getTotalElements()": {
        "notice": "Retrieves the total number of elements submitted."
      },
      "insideFraudProofWindow((uint256,bytes32,uint256,uint256,bytes))": {
        "notice": "Checks whether a given batch is still inside its fraud proof window."
      },
      "verifyStateCommitment(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]))": {
        "notice": "Verifies a batch inclusion proof."
      }
    },
    "version": 1
  },
  "storageLayout": {
    "storage": [
      {
        "astId": 11707,
        "contract": "contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol:OVM_StateCommitmentChain",
        "label": "libAddressManager",
        "offset": 0,
        "slot": "0",
        "type": "t_contract(Lib_AddressManager)11700"
      },
      {
        "astId": 3141,
        "contract": "contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol:OVM_StateCommitmentChain",
        "label": "FRAUD_PROOF_WINDOW",
        "offset": 0,
        "slot": "1",
        "type": "t_uint256"
      },
      {
        "astId": 3143,
        "contract": "contracts/optimistic-ethereum/OVM/chain/OVM_StateCommitmentChain.sol:OVM_StateCommitmentChain",
        "label": "SEQUENCER_PUBLISH_WINDOW",
        "offset": 0,
        "slot": "2",
        "type": "t_uint256"
      }
    ],
    "types": {
      "t_contract(Lib_AddressManager)11700": {
        "encoding": "inplace",
        "label": "contract Lib_AddressManager",
        "numberOfBytes": "20"
      },
      "t_uint256": {
        "encoding": "inplace",
        "label": "uint256",
        "numberOfBytes": "32"
      }
    }
  }
}