{ "address": "0xd9166833FF12A5F900ccfBf2c8B62a90F1Ca1FD5", "abi": [ { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "msgHash", "type": "bytes32" } ], "name": "FailedRelayedMessage", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "_xDomainCalldataHash", "type": "bytes32" } ], "name": "MessageAllowed", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "_xDomainCalldataHash", "type": "bytes32" } ], "name": "MessageBlocked", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Paused", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "msgHash", "type": "bytes32" } ], "name": "RelayedMessage", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "target", "type": "address" }, { "indexed": false, "internalType": "address", "name": "sender", "type": "address" }, { "indexed": false, "internalType": "bytes", "name": "message", "type": "bytes" }, { "indexed": false, "internalType": "uint256", "name": "messageNonce", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "gasLimit", "type": "uint256" } ], "name": "SentMessage", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "account", "type": "address" } ], "name": "Unpaused", "type": "event" }, { "inputs": [ { "internalType": "bytes32", "name": "_xDomainCalldataHash", "type": "bytes32" } ], "name": "allowMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "_xDomainCalldataHash", "type": "bytes32" } ], "name": "blockMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "blockedMessages", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_libAddressManager", "type": "address" } ], "name": "initialize", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "libAddressManager", "outputs": [ { "internalType": "contract Lib_AddressManager", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "pause", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "paused", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_target", "type": "address" }, { "internalType": "address", "name": "_sender", "type": "address" }, { "internalType": "bytes", "name": "_message", "type": "bytes" }, { "internalType": "uint256", "name": "_messageNonce", "type": "uint256" }, { "components": [ { "internalType": "bytes32", "name": "stateRoot", "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": "stateRootBatchHeader", "type": "tuple" }, { "components": [ { "internalType": "uint256", "name": "index", "type": "uint256" }, { "internalType": "bytes32[]", "name": "siblings", "type": "bytes32[]" } ], "internalType": "struct Lib_OVMCodec.ChainInclusionProof", "name": "stateRootProof", "type": "tuple" }, { "internalType": "bytes", "name": "stateTrieWitness", "type": "bytes" }, { "internalType": "bytes", "name": "storageTrieWitness", "type": "bytes" } ], "internalType": "struct IL1CrossDomainMessenger.L2MessageInclusionProof", "name": "_proof", "type": "tuple" } ], "name": "relayMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "relayedMessages", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_target", "type": "address" }, { "internalType": "address", "name": "_sender", "type": "address" }, { "internalType": "bytes", "name": "_message", "type": "bytes" }, { "internalType": "uint256", "name": "_queueIndex", "type": "uint256" }, { "internalType": "uint32", "name": "_oldGasLimit", "type": "uint32" }, { "internalType": "uint32", "name": "_newGasLimit", "type": "uint32" } ], "name": "replayMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "string", "name": "_name", "type": "string" } ], "name": "resolve", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_target", "type": "address" }, { "internalType": "bytes", "name": "_message", "type": "bytes" }, { "internalType": "uint32", "name": "_gasLimit", "type": "uint32" } ], "name": "sendMessage", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "successfulMessages", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "xDomainMessageSender", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" } ], "transactionHash": "0xa45e328f35b3c7b87cabedb531f10a5d345b896382d8e40fee793dd463373aa8", "receipt": { "to": null, "from": "0x0bb2cA5Ea700ba04c713008E1a3D198B4e8dA7a7", "contractAddress": "0xd9166833FF12A5F900ccfBf2c8B62a90F1Ca1FD5", "transactionIndex": 22, "gasUsed": "3394374", "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0xa0875a7e1dc4dd67b8b4f05a54fd7bacd85a1614540d8945752b3ac058fc0d56", "transactionHash": "0xa45e328f35b3c7b87cabedb531f10a5d345b896382d8e40fee793dd463373aa8", "logs": [], "blockNumber": 13596491, "cumulativeGasUsed": "4992235", "status": 1, "byzantium": true }, "args": [], "solcInputHash": "e2f1121f17d06f85851dd0c837a00344", "metadata": "{\"compiler\":{\"version\":\"0.8.9+commit.e5eed63a\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"FailedRelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"_xDomainCalldataHash\",\"type\":\"bytes32\"}],\"name\":\"MessageAllowed\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"_xDomainCalldataHash\",\"type\":\"bytes32\"}],\"name\":\"MessageBlocked\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"previousOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"OwnershipTransferred\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"msgHash\",\"type\":\"bytes32\"}],\"name\":\"RelayedMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"message\",\"type\":\"bytes\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"messageNonce\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"}],\"name\":\"SentMessage\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_xDomainCalldataHash\",\"type\":\"bytes32\"}],\"name\":\"allowMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_xDomainCalldataHash\",\"type\":\"bytes32\"}],\"name\":\"blockMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"blockedMessages\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_libAddressManager\",\"type\":\"address\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"libAddressManager\",\"outputs\":[{\"internalType\":\"contract Lib_AddressManager\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_messageNonce\",\"type\":\"uint256\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"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\":\"stateRootBatchHeader\",\"type\":\"tuple\"},{\"components\":[{\"internalType\":\"uint256\",\"name\":\"index\",\"type\":\"uint256\"},{\"internalType\":\"bytes32[]\",\"name\":\"siblings\",\"type\":\"bytes32[]\"}],\"internalType\":\"struct Lib_OVMCodec.ChainInclusionProof\",\"name\":\"stateRootProof\",\"type\":\"tuple\"},{\"internalType\":\"bytes\",\"name\":\"stateTrieWitness\",\"type\":\"bytes\"},{\"internalType\":\"bytes\",\"name\":\"storageTrieWitness\",\"type\":\"bytes\"}],\"internalType\":\"struct IL1CrossDomainMessenger.L2MessageInclusionProof\",\"name\":\"_proof\",\"type\":\"tuple\"}],\"name\":\"relayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"relayedMessages\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_sender\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint256\",\"name\":\"_queueIndex\",\"type\":\"uint256\"},{\"internalType\":\"uint32\",\"name\":\"_oldGasLimit\",\"type\":\"uint32\"},{\"internalType\":\"uint32\",\"name\":\"_newGasLimit\",\"type\":\"uint32\"}],\"name\":\"replayMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"string\",\"name\":\"_name\",\"type\":\"string\"}],\"name\":\"resolve\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_target\",\"type\":\"address\"},{\"internalType\":\"bytes\",\"name\":\"_message\",\"type\":\"bytes\"},{\"internalType\":\"uint32\",\"name\":\"_gasLimit\",\"type\":\"uint32\"}],\"name\":\"sendMessage\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"successfulMessages\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"xDomainMessageSender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"The L1 Cross Domain Messenger contract sends messages from L1 to L2, and relays messages from L2 onto L1. In the event that a message sent from L1 to L2 is rejected for exceeding the L2 epoch gas limit, it can be resubmitted via this contract's replay function. Runtime target: EVM\",\"kind\":\"dev\",\"methods\":{\"allowMessage(bytes32)\":{\"params\":{\"_xDomainCalldataHash\":\"Hash of the message to block.\"}},\"blockMessage(bytes32)\":{\"params\":{\"_xDomainCalldataHash\":\"Hash of the message to block.\"}},\"initialize(address)\":{\"params\":{\"_libAddressManager\":\"Address of the Address Manager.\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"paused()\":{\"details\":\"Returns true if the contract is paused, and false otherwise.\"},\"relayMessage(address,address,bytes,uint256,(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]),bytes,bytes))\":{\"params\":{\"_message\":\"Message to send to the target.\",\"_messageNonce\":\"Nonce for the provided message.\",\"_proof\":\"Inclusion proof for the given message.\",\"_sender\":\"Message sender address.\",\"_target\":\"Target contract address.\"}},\"renounceOwnership()\":{\"details\":\"Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner.\"},\"replayMessage(address,address,bytes,uint256,uint32,uint32)\":{\"params\":{\"_message\":\"Message to send to the target.\",\"_newGasLimit\":\"New gas limit to be used for this message.\",\"_oldGasLimit\":\"Original gas limit used to send the message.\",\"_queueIndex\":\"CTC Queue index for the message to replay.\",\"_sender\":\"Original sender address.\",\"_target\":\"Target contract address.\"}},\"resolve(string)\":{\"params\":{\"_name\":\"Name to resolve an address for.\"},\"returns\":{\"_0\":\"Address associated with the given name.\"}},\"sendMessage(address,bytes,uint32)\":{\"params\":{\"_gasLimit\":\"Gas limit for the provided message.\",\"_message\":\"Message to send to the target.\",\"_target\":\"Target contract address.\"}},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"title\":\"L1CrossDomainMessenger\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"allowMessage(bytes32)\":{\"notice\":\"Allow a message.\"},\"blockMessage(bytes32)\":{\"notice\":\"Block a message.\"},\"constructor\":{\"notice\":\"This contract is intended to be behind a delegate proxy. We pass the zero address to the address resolver just to satisfy the constructor. We still need to set this value in initialize().\"},\"pause()\":{\"notice\":\"Pause relaying.\"},\"relayMessage(address,address,bytes,uint256,(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]),bytes,bytes))\":{\"notice\":\"Relays a cross domain message to a contract.\"},\"replayMessage(address,address,bytes,uint256,uint32,uint32)\":{\"notice\":\"Replays a cross domain message to the target messenger.\"},\"resolve(string)\":{\"notice\":\"Resolves the address associated with a given name.\"},\"sendMessage(address,bytes,uint32)\":{\"notice\":\"Sends a cross domain message to the target messenger.\"}},\"version\":1}},\"settings\":{\"compilationTarget\":{\"contracts/L1/messaging/L1CrossDomainMessenger.sol\":\"L1CrossDomainMessenger\"},\"evmVersion\":\"london\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/ContextUpgradeable.sol\\\";\\nimport \\\"../proxy/utils/Initializable.sol\\\";\\n\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n function __Ownable_init() internal initializer {\\n __Context_init_unchained();\\n __Ownable_init_unchained();\\n }\\n\\n function __Ownable_init_unchained() internal initializer {\\n _setOwner(_msgSender());\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n _setOwner(address(0));\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n _setOwner(newOwner);\\n }\\n\\n function _setOwner(address newOwner) private {\\n address oldOwner = _owner;\\n _owner = newOwner;\\n emit OwnershipTransferred(oldOwner, newOwner);\\n }\\n uint256[49] private __gap;\\n}\\n\",\"keccak256\":\"0x35b09b69aca3bc2633da8f47382a81ecf367efe57167a2114f60f9ec81988afa\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed\\n * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an\\n * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer\\n * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.\\n *\\n * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as\\n * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.\\n *\\n * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure\\n * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.\\n */\\nabstract contract Initializable {\\n /**\\n * @dev Indicates that the contract has been initialized.\\n */\\n bool private _initialized;\\n\\n /**\\n * @dev Indicates that the contract is in the process of being initialized.\\n */\\n bool private _initializing;\\n\\n /**\\n * @dev Modifier to protect an initializer function from being invoked twice.\\n */\\n modifier initializer() {\\n require(_initializing || !_initialized, \\\"Initializable: contract is already initialized\\\");\\n\\n bool isTopLevelCall = !_initializing;\\n if (isTopLevelCall) {\\n _initializing = true;\\n _initialized = true;\\n }\\n\\n _;\\n\\n if (isTopLevelCall) {\\n _initializing = false;\\n }\\n }\\n}\\n\",\"keccak256\":\"0x8b2abd85d0ece7e866e100e9d47ca9cbec93c87cf71a8d267b2b93eb81f7d5e9\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/ContextUpgradeable.sol\\\";\\nimport \\\"../proxy/utils/Initializable.sol\\\";\\n\\n/**\\n * @dev Contract module which allows children to implement an emergency stop\\n * mechanism that can be triggered by an authorized account.\\n *\\n * This module is used through inheritance. It will make available the\\n * modifiers `whenNotPaused` and `whenPaused`, which can be applied to\\n * the functions of your contract. Note that they will not be pausable by\\n * simply including this module, only once the modifiers are put in place.\\n */\\nabstract contract PausableUpgradeable is Initializable, ContextUpgradeable {\\n /**\\n * @dev Emitted when the pause is triggered by `account`.\\n */\\n event Paused(address account);\\n\\n /**\\n * @dev Emitted when the pause is lifted by `account`.\\n */\\n event Unpaused(address account);\\n\\n bool private _paused;\\n\\n /**\\n * @dev Initializes the contract in unpaused state.\\n */\\n function __Pausable_init() internal initializer {\\n __Context_init_unchained();\\n __Pausable_init_unchained();\\n }\\n\\n function __Pausable_init_unchained() internal initializer {\\n _paused = false;\\n }\\n\\n /**\\n * @dev Returns true if the contract is paused, and false otherwise.\\n */\\n function paused() public view virtual returns (bool) {\\n return _paused;\\n }\\n\\n /**\\n * @dev Modifier to make a function callable only when the contract is not paused.\\n *\\n * Requirements:\\n *\\n * - The contract must not be paused.\\n */\\n modifier whenNotPaused() {\\n require(!paused(), \\\"Pausable: paused\\\");\\n _;\\n }\\n\\n /**\\n * @dev Modifier to make a function callable only when the contract is paused.\\n *\\n * Requirements:\\n *\\n * - The contract must be paused.\\n */\\n modifier whenPaused() {\\n require(paused(), \\\"Pausable: not paused\\\");\\n _;\\n }\\n\\n /**\\n * @dev Triggers stopped state.\\n *\\n * Requirements:\\n *\\n * - The contract must not be paused.\\n */\\n function _pause() internal virtual whenNotPaused {\\n _paused = true;\\n emit Paused(_msgSender());\\n }\\n\\n /**\\n * @dev Returns to normal state.\\n *\\n * Requirements:\\n *\\n * - The contract must be paused.\\n */\\n function _unpause() internal virtual whenPaused {\\n _paused = false;\\n emit Unpaused(_msgSender());\\n }\\n uint256[49] private __gap;\\n}\\n\",\"keccak256\":\"0x742c0fbab73bf595ca40025f6e81cb48dbd5e133950717f7befd062a925c0148\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\nimport \\\"../proxy/utils/Initializable.sol\\\";\\n\\n/**\\n * @dev Contract module that helps prevent reentrant calls to a function.\\n *\\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\\n * available, which can be applied to functions to make sure there are no nested\\n * (reentrant) calls to them.\\n *\\n * Note that because there is a single `nonReentrant` guard, functions marked as\\n * `nonReentrant` may not call one another. This can be worked around by making\\n * those functions `private`, and then adding `external` `nonReentrant` entry\\n * points to them.\\n *\\n * TIP: If you would like to learn more about reentrancy and alternative ways\\n * to protect against it, check out our blog post\\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\\n */\\nabstract contract ReentrancyGuardUpgradeable is Initializable {\\n // Booleans are more expensive than uint256 or any type that takes up a full\\n // word because each write operation emits an extra SLOAD to first read the\\n // slot's contents, replace the bits taken up by the boolean, and then write\\n // back. This is the compiler's defense against contract upgrades and\\n // pointer aliasing, and it cannot be disabled.\\n\\n // The values being non-zero value makes deployment a bit more expensive,\\n // but in exchange the refund on every call to nonReentrant will be lower in\\n // amount. Since refunds are capped to a percentage of the total\\n // transaction's gas, it is best to keep them low in cases like this one, to\\n // increase the likelihood of the full refund coming into effect.\\n uint256 private constant _NOT_ENTERED = 1;\\n uint256 private constant _ENTERED = 2;\\n\\n uint256 private _status;\\n\\n function __ReentrancyGuard_init() internal initializer {\\n __ReentrancyGuard_init_unchained();\\n }\\n\\n function __ReentrancyGuard_init_unchained() internal initializer {\\n _status = _NOT_ENTERED;\\n }\\n\\n /**\\n * @dev Prevents a contract from calling itself, directly or indirectly.\\n * Calling a `nonReentrant` function from another `nonReentrant`\\n * function is not supported. It is possible to prevent this from happening\\n * by making the `nonReentrant` function external, and make it call a\\n * `private` function that does the actual work.\\n */\\n modifier nonReentrant() {\\n // On the first call to nonReentrant, _notEntered will be true\\n require(_status != _ENTERED, \\\"ReentrancyGuard: reentrant call\\\");\\n\\n // Any calls to nonReentrant after this point will fail\\n _status = _ENTERED;\\n\\n _;\\n\\n // By storing the original value once again, a refund is triggered (see\\n // https://eips.ethereum.org/EIPS/eip-2200)\\n _status = _NOT_ENTERED;\\n }\\n uint256[49] private __gap;\\n}\\n\",\"keccak256\":\"0x89fa60d14355f7ae06af11e28fce2bb90c5c6186645d681a30e1b36234a4c210\",\"license\":\"MIT\"},\"@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\nimport \\\"../proxy/utils/Initializable.sol\\\";\\n\\n/**\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract ContextUpgradeable is Initializable {\\n function __Context_init() internal initializer {\\n __Context_init_unchained();\\n }\\n\\n function __Context_init_unchained() internal initializer {\\n }\\n function _msgSender() internal view virtual returns (address) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes calldata) {\\n return msg.data;\\n }\\n uint256[50] private __gap;\\n}\\n\",\"keccak256\":\"0x062b5a0f7cc6b0528fa350033759f3a15ba42afb57423d7c593753860f2c82e0\",\"license\":\"MIT\"},\"@openzeppelin/contracts/access/Ownable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\nimport \\\"../utils/Context.sol\\\";\\n\\n/**\\n * @dev Contract module which provides a basic access control mechanism, where\\n * there is an account (an owner) that can be granted exclusive access to\\n * specific functions.\\n *\\n * By default, the owner account will be the one that deploys the contract. This\\n * can later be changed with {transferOwnership}.\\n *\\n * This module is used through inheritance. It will make available the modifier\\n * `onlyOwner`, which can be applied to your functions to restrict their use to\\n * the owner.\\n */\\nabstract contract Ownable is Context {\\n address private _owner;\\n\\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\\n\\n /**\\n * @dev Initializes the contract setting the deployer as the initial owner.\\n */\\n constructor() {\\n _setOwner(_msgSender());\\n }\\n\\n /**\\n * @dev Returns the address of the current owner.\\n */\\n function owner() public view virtual returns (address) {\\n return _owner;\\n }\\n\\n /**\\n * @dev Throws if called by any account other than the owner.\\n */\\n modifier onlyOwner() {\\n require(owner() == _msgSender(), \\\"Ownable: caller is not the owner\\\");\\n _;\\n }\\n\\n /**\\n * @dev Leaves the contract without owner. It will not be possible to call\\n * `onlyOwner` functions anymore. Can only be called by the current owner.\\n *\\n * NOTE: Renouncing ownership will leave the contract without an owner,\\n * thereby removing any functionality that is only available to the owner.\\n */\\n function renounceOwnership() public virtual onlyOwner {\\n _setOwner(address(0));\\n }\\n\\n /**\\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\\n * Can only be called by the current owner.\\n */\\n function transferOwnership(address newOwner) public virtual onlyOwner {\\n require(newOwner != address(0), \\\"Ownable: new owner is the zero address\\\");\\n _setOwner(newOwner);\\n }\\n\\n function _setOwner(address newOwner) private {\\n address oldOwner = _owner;\\n _owner = newOwner;\\n emit OwnershipTransferred(oldOwner, newOwner);\\n }\\n}\\n\",\"keccak256\":\"0x6bb804a310218875e89d12c053e94a13a4607cdf7cc2052f3e52bd32a0dc50a1\",\"license\":\"MIT\"},\"@openzeppelin/contracts/utils/Context.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\n\\npragma solidity ^0.8.0;\\n\\n/**\\n * @dev Provides information about the current execution context, including the\\n * sender of the transaction and its data. While these are generally available\\n * via msg.sender and msg.data, they should not be accessed in such a direct\\n * manner, since when dealing with meta-transactions the account sending and\\n * paying for execution may not be the actual sender (as far as an application\\n * is concerned).\\n *\\n * This contract is only required for intermediate, library-like contracts.\\n */\\nabstract contract Context {\\n function _msgSender() internal view virtual returns (address) {\\n return msg.sender;\\n }\\n\\n function _msgData() internal view virtual returns (bytes calldata) {\\n return msg.data;\\n }\\n}\\n\",\"keccak256\":\"0x90565a39ae45c80f0468dc96c7b20d0afc3055f344c8203a0c9258239f350b9f\",\"license\":\"MIT\"},\"contracts/L1/messaging/IL1CrossDomainMessenger.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/* Interface Imports */\\nimport { ICrossDomainMessenger } from \\\"../../libraries/bridge/ICrossDomainMessenger.sol\\\";\\n\\n/**\\n * @title IL1CrossDomainMessenger\\n */\\ninterface IL1CrossDomainMessenger is ICrossDomainMessenger {\\n /*******************\\n * Data Structures *\\n *******************/\\n\\n struct L2MessageInclusionProof {\\n bytes32 stateRoot;\\n Lib_OVMCodec.ChainBatchHeader stateRootBatchHeader;\\n Lib_OVMCodec.ChainInclusionProof stateRootProof;\\n bytes stateTrieWitness;\\n bytes storageTrieWitness;\\n }\\n\\n /********************\\n * Public Functions *\\n ********************/\\n\\n /**\\n * Relays a cross domain message to a contract.\\n * @param _target Target contract address.\\n * @param _sender Message sender address.\\n * @param _message Message to send to the target.\\n * @param _messageNonce Nonce for the provided message.\\n * @param _proof Inclusion proof for the given message.\\n */\\n function relayMessage(\\n address _target,\\n address _sender,\\n bytes memory _message,\\n uint256 _messageNonce,\\n L2MessageInclusionProof memory _proof\\n ) external;\\n\\n /**\\n * Replays a cross domain message to the target messenger.\\n * @param _target Target contract address.\\n * @param _sender Original sender address.\\n * @param _message Message to send to the target.\\n * @param _queueIndex CTC Queue index for the message to replay.\\n * @param _oldGasLimit Original gas limit used to send the message.\\n * @param _newGasLimit New gas limit to be used for this message.\\n */\\n function replayMessage(\\n address _target,\\n address _sender,\\n bytes memory _message,\\n uint256 _queueIndex,\\n uint32 _oldGasLimit,\\n uint32 _newGasLimit\\n ) external;\\n}\\n\",\"keccak256\":\"0xb0058ed29f6b510f09ffb52dd09812883adccb433cb2da1c8d5dd7de6d6c93ed\",\"license\":\"MIT\"},\"contracts/L1/messaging/L1CrossDomainMessenger.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { AddressAliasHelper } from \\\"../../standards/AddressAliasHelper.sol\\\";\\nimport { Lib_AddressResolver } from \\\"../../libraries/resolver/Lib_AddressResolver.sol\\\";\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\nimport { Lib_AddressManager } from \\\"../../libraries/resolver/Lib_AddressManager.sol\\\";\\nimport { Lib_SecureMerkleTrie } from \\\"../../libraries/trie/Lib_SecureMerkleTrie.sol\\\";\\nimport { Lib_DefaultValues } from \\\"../../libraries/constants/Lib_DefaultValues.sol\\\";\\nimport { Lib_PredeployAddresses } from \\\"../../libraries/constants/Lib_PredeployAddresses.sol\\\";\\nimport { Lib_CrossDomainUtils } from \\\"../../libraries/bridge/Lib_CrossDomainUtils.sol\\\";\\n\\n/* Interface Imports */\\nimport { IL1CrossDomainMessenger } from \\\"./IL1CrossDomainMessenger.sol\\\";\\nimport { ICanonicalTransactionChain } from \\\"../rollup/ICanonicalTransactionChain.sol\\\";\\nimport { IStateCommitmentChain } from \\\"../rollup/IStateCommitmentChain.sol\\\";\\n\\n/* External Imports */\\nimport {\\n OwnableUpgradeable\\n} from \\\"@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol\\\";\\nimport {\\n PausableUpgradeable\\n} from \\\"@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol\\\";\\nimport {\\n ReentrancyGuardUpgradeable\\n} from \\\"@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol\\\";\\n\\n/**\\n * @title L1CrossDomainMessenger\\n * @dev The L1 Cross Domain Messenger contract sends messages from L1 to L2, and relays messages\\n * from L2 onto L1. In the event that a message sent from L1 to L2 is rejected for exceeding the L2\\n * epoch gas limit, it can be resubmitted via this contract's replay function.\\n *\\n * Runtime target: EVM\\n */\\ncontract L1CrossDomainMessenger is\\n IL1CrossDomainMessenger,\\n Lib_AddressResolver,\\n OwnableUpgradeable,\\n PausableUpgradeable,\\n ReentrancyGuardUpgradeable\\n{\\n /**********\\n * Events *\\n **********/\\n\\n event MessageBlocked(bytes32 indexed _xDomainCalldataHash);\\n\\n event MessageAllowed(bytes32 indexed _xDomainCalldataHash);\\n\\n /**********************\\n * Contract Variables *\\n **********************/\\n\\n mapping(bytes32 => bool) public blockedMessages;\\n mapping(bytes32 => bool) public relayedMessages;\\n mapping(bytes32 => bool) public successfulMessages;\\n\\n address internal xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;\\n\\n /***************\\n * Constructor *\\n ***************/\\n\\n /**\\n * This contract is intended to be behind a delegate proxy.\\n * We pass the zero address to the address resolver just to satisfy the constructor.\\n * We still need to set this value in initialize().\\n */\\n constructor() Lib_AddressResolver(address(0)) {}\\n\\n /********************\\n * Public Functions *\\n ********************/\\n\\n /**\\n * @param _libAddressManager Address of the Address Manager.\\n */\\n function initialize(address _libAddressManager) public initializer {\\n require(\\n address(libAddressManager) == address(0),\\n \\\"L1CrossDomainMessenger already intialized.\\\"\\n );\\n libAddressManager = Lib_AddressManager(_libAddressManager);\\n xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;\\n\\n // Initialize upgradable OZ contracts\\n __Context_init_unchained(); // Context is a dependency for both Ownable and Pausable\\n __Ownable_init_unchained();\\n __Pausable_init_unchained();\\n __ReentrancyGuard_init_unchained();\\n }\\n\\n /**\\n * Pause relaying.\\n */\\n function pause() external onlyOwner {\\n _pause();\\n }\\n\\n /**\\n * Block a message.\\n * @param _xDomainCalldataHash Hash of the message to block.\\n */\\n function blockMessage(bytes32 _xDomainCalldataHash) external onlyOwner {\\n blockedMessages[_xDomainCalldataHash] = true;\\n emit MessageBlocked(_xDomainCalldataHash);\\n }\\n\\n /**\\n * Allow a message.\\n * @param _xDomainCalldataHash Hash of the message to block.\\n */\\n function allowMessage(bytes32 _xDomainCalldataHash) external onlyOwner {\\n blockedMessages[_xDomainCalldataHash] = false;\\n emit MessageAllowed(_xDomainCalldataHash);\\n }\\n\\n function xDomainMessageSender() public view returns (address) {\\n require(\\n xDomainMsgSender != Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER,\\n \\\"xDomainMessageSender is not set\\\"\\n );\\n return xDomainMsgSender;\\n }\\n\\n /**\\n * Sends a cross domain message to the target messenger.\\n * @param _target Target contract address.\\n * @param _message Message to send to the target.\\n * @param _gasLimit Gas limit for the provided message.\\n */\\n function sendMessage(\\n address _target,\\n bytes memory _message,\\n uint32 _gasLimit\\n ) public {\\n address ovmCanonicalTransactionChain = resolve(\\\"CanonicalTransactionChain\\\");\\n // Use the CTC queue length as nonce\\n uint40 nonce = ICanonicalTransactionChain(ovmCanonicalTransactionChain).getQueueLength();\\n\\n bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(\\n _target,\\n msg.sender,\\n _message,\\n nonce\\n );\\n\\n _sendXDomainMessage(ovmCanonicalTransactionChain, xDomainCalldata, _gasLimit);\\n\\n emit SentMessage(_target, msg.sender, _message, nonce, _gasLimit);\\n }\\n\\n /**\\n * Relays a cross domain message to a contract.\\n * @inheritdoc IL1CrossDomainMessenger\\n */\\n function relayMessage(\\n address _target,\\n address _sender,\\n bytes memory _message,\\n uint256 _messageNonce,\\n L2MessageInclusionProof memory _proof\\n ) public nonReentrant whenNotPaused {\\n bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(\\n _target,\\n _sender,\\n _message,\\n _messageNonce\\n );\\n\\n require(\\n _verifyXDomainMessage(xDomainCalldata, _proof) == true,\\n \\\"Provided message could not be verified.\\\"\\n );\\n\\n bytes32 xDomainCalldataHash = keccak256(xDomainCalldata);\\n\\n require(\\n successfulMessages[xDomainCalldataHash] == false,\\n \\\"Provided message has already been received.\\\"\\n );\\n\\n require(\\n blockedMessages[xDomainCalldataHash] == false,\\n \\\"Provided message has been blocked.\\\"\\n );\\n\\n require(\\n _target != resolve(\\\"CanonicalTransactionChain\\\"),\\n \\\"Cannot send L2->L1 messages to L1 system contracts.\\\"\\n );\\n\\n xDomainMsgSender = _sender;\\n (bool success, ) = _target.call(_message);\\n xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;\\n\\n // Mark the message as received if the call was successful. Ensures that a message can be\\n // relayed multiple times in the case that the call reverted.\\n if (success == true) {\\n successfulMessages[xDomainCalldataHash] = true;\\n emit RelayedMessage(xDomainCalldataHash);\\n } else {\\n emit FailedRelayedMessage(xDomainCalldataHash);\\n }\\n\\n // Store an identifier that can be used to prove that the given message was relayed by some\\n // user. Gives us an easy way to pay relayers for their work.\\n bytes32 relayId = keccak256(abi.encodePacked(xDomainCalldata, msg.sender, block.number));\\n relayedMessages[relayId] = true;\\n }\\n\\n /**\\n * Replays a cross domain message to the target messenger.\\n * @inheritdoc IL1CrossDomainMessenger\\n */\\n function replayMessage(\\n address _target,\\n address _sender,\\n bytes memory _message,\\n uint256 _queueIndex,\\n uint32 _oldGasLimit,\\n uint32 _newGasLimit\\n ) public {\\n // Verify that the message is in the queue:\\n address canonicalTransactionChain = resolve(\\\"CanonicalTransactionChain\\\");\\n Lib_OVMCodec.QueueElement memory element = ICanonicalTransactionChain(\\n canonicalTransactionChain\\n ).getQueueElement(_queueIndex);\\n\\n // Compute the calldata that was originally used to send the message.\\n bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(\\n _target,\\n _sender,\\n _message,\\n _queueIndex\\n );\\n\\n // Compute the transactionHash\\n bytes32 transactionHash = keccak256(\\n abi.encode(\\n AddressAliasHelper.applyL1ToL2Alias(address(this)),\\n Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,\\n _oldGasLimit,\\n xDomainCalldata\\n )\\n );\\n\\n // Now check that the provided message data matches the one in the queue element.\\n require(\\n transactionHash == element.transactionHash,\\n \\\"Provided message has not been enqueued.\\\"\\n );\\n\\n // Send the same message but with the new gas limit.\\n _sendXDomainMessage(canonicalTransactionChain, xDomainCalldata, _newGasLimit);\\n }\\n\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * Verifies that the given message is valid.\\n * @param _xDomainCalldata Calldata to verify.\\n * @param _proof Inclusion proof for the message.\\n * @return Whether or not the provided message is valid.\\n */\\n function _verifyXDomainMessage(\\n bytes memory _xDomainCalldata,\\n L2MessageInclusionProof memory _proof\\n ) internal view returns (bool) {\\n return (_verifyStateRootProof(_proof) && _verifyStorageProof(_xDomainCalldata, _proof));\\n }\\n\\n /**\\n * Verifies that the state root within an inclusion proof is valid.\\n * @param _proof Message inclusion proof.\\n * @return Whether or not the provided proof is valid.\\n */\\n function _verifyStateRootProof(L2MessageInclusionProof memory _proof)\\n internal\\n view\\n returns (bool)\\n {\\n IStateCommitmentChain ovmStateCommitmentChain = IStateCommitmentChain(\\n resolve(\\\"StateCommitmentChain\\\")\\n );\\n\\n return (ovmStateCommitmentChain.insideFraudProofWindow(_proof.stateRootBatchHeader) ==\\n false &&\\n ovmStateCommitmentChain.verifyStateCommitment(\\n _proof.stateRoot,\\n _proof.stateRootBatchHeader,\\n _proof.stateRootProof\\n ));\\n }\\n\\n /**\\n * Verifies that the storage proof within an inclusion proof is valid.\\n * @param _xDomainCalldata Encoded message calldata.\\n * @param _proof Message inclusion proof.\\n * @return Whether or not the provided proof is valid.\\n */\\n function _verifyStorageProof(\\n bytes memory _xDomainCalldata,\\n L2MessageInclusionProof memory _proof\\n ) internal view returns (bool) {\\n bytes32 storageKey = keccak256(\\n abi.encodePacked(\\n keccak256(\\n abi.encodePacked(\\n _xDomainCalldata,\\n Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER\\n )\\n ),\\n uint256(0)\\n )\\n );\\n\\n (bool exists, bytes memory encodedMessagePassingAccount) = Lib_SecureMerkleTrie.get(\\n abi.encodePacked(Lib_PredeployAddresses.L2_TO_L1_MESSAGE_PASSER),\\n _proof.stateTrieWitness,\\n _proof.stateRoot\\n );\\n\\n require(\\n exists == true,\\n \\\"Message passing predeploy has not been initialized or invalid proof provided.\\\"\\n );\\n\\n Lib_OVMCodec.EVMAccount memory account = Lib_OVMCodec.decodeEVMAccount(\\n encodedMessagePassingAccount\\n );\\n\\n return\\n Lib_SecureMerkleTrie.verifyInclusionProof(\\n abi.encodePacked(storageKey),\\n abi.encodePacked(uint8(1)),\\n _proof.storageTrieWitness,\\n account.storageRoot\\n );\\n }\\n\\n /**\\n * Sends a cross domain message.\\n * @param _canonicalTransactionChain Address of the CanonicalTransactionChain instance.\\n * @param _message Message to send.\\n * @param _gasLimit OVM gas limit for the message.\\n */\\n function _sendXDomainMessage(\\n address _canonicalTransactionChain,\\n bytes memory _message,\\n uint256 _gasLimit\\n ) internal {\\n ICanonicalTransactionChain(_canonicalTransactionChain).enqueue(\\n Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,\\n _gasLimit,\\n _message\\n );\\n }\\n}\\n\",\"keccak256\":\"0xbbf12d15d392f819cffe3f71aed2d65b6aed2f943ea78fdf046534622785aaff\",\"license\":\"MIT\"},\"contracts/L1/rollup/ICanonicalTransactionChain.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.9.0;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/* Interface Imports */\\nimport { IChainStorageContainer } from \\\"./IChainStorageContainer.sol\\\";\\n\\n/**\\n * @title ICanonicalTransactionChain\\n */\\ninterface ICanonicalTransactionChain {\\n /**********\\n * Events *\\n **********/\\n\\n event L2GasParamsUpdated(\\n uint256 l2GasDiscountDivisor,\\n uint256 enqueueGasCost,\\n uint256 enqueueL2GasPrepaid\\n );\\n\\n event TransactionEnqueued(\\n address indexed _l1TxOrigin,\\n address indexed _target,\\n uint256 _gasLimit,\\n bytes _data,\\n uint256 indexed _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 * Structs *\\n ***********/\\n\\n struct BatchContext {\\n uint256 numSequencedTransactions;\\n uint256 numSubsequentQueueTransactions;\\n uint256 timestamp;\\n uint256 blockNumber;\\n }\\n\\n /*******************************\\n * Authorized Setter Functions *\\n *******************************/\\n\\n /**\\n * Allows the Burn Admin to update the parameters which determine the amount of gas to burn.\\n * The value of enqueueL2GasPrepaid is immediately updated as well.\\n */\\n function setGasParams(uint256 _l2GasDiscountDivisor, uint256 _enqueueGasCost) external;\\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() external view returns (IChainStorageContainer);\\n\\n /**\\n * Retrieves the total number of elements submitted.\\n * @return _totalElements Total submitted elements.\\n */\\n function getTotalElements() external view returns (uint256 _totalElements);\\n\\n /**\\n * Retrieves the total number of batches submitted.\\n * @return _totalBatches Total submitted batches.\\n */\\n function getTotalBatches() external view returns (uint256 _totalBatches);\\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() external view returns (uint40);\\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(uint256 _index)\\n external\\n view\\n returns (Lib_OVMCodec.QueueElement memory _element);\\n\\n /**\\n * Returns the timestamp of the last transaction.\\n * @return Timestamp for the last transaction.\\n */\\n function getLastTimestamp() external view returns (uint40);\\n\\n /**\\n * Returns the blocknumber of the last transaction.\\n * @return Blocknumber for the last transaction.\\n */\\n function getLastBlockNumber() external view returns (uint40);\\n\\n /**\\n * Get the number of queue elements which have not yet been included.\\n * @return Number of pending queue elements.\\n */\\n function getNumPendingQueueElements() external view returns (uint40);\\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() external view returns (uint40);\\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 ) 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 ) external;\\n}\\n\",\"keccak256\":\"0xa534e90efd57e3c36053cb4aabba63ef8f53e35e3a4ce3d0f127ec2d0af1f618\",\"license\":\"MIT\"},\"contracts/L1/rollup/IChainStorageContainer.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.9.0;\\n\\n/**\\n * @title IChainStorageContainer\\n */\\ninterface IChainStorageContainer {\\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(bytes27 _globalMetadata) external;\\n\\n /**\\n * Retrieves the container's global metadata field.\\n * @return Container global metadata field.\\n */\\n function getGlobalMetadata() external view returns (bytes27);\\n\\n /**\\n * Retrieves the number of objects stored in the container.\\n * @return Number of objects in the container.\\n */\\n function length() external view returns (uint256);\\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(bytes32 _object) 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(bytes32 _object, bytes27 _globalMetadata) 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(uint256 _index) external view returns (bytes32);\\n\\n /**\\n * Removes all objects after and including a given index.\\n * @param _index Object index to delete from.\\n */\\n function deleteElementsAfterInclusive(uint256 _index) 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(uint256 _index, bytes27 _globalMetadata) external;\\n}\\n\",\"keccak256\":\"0xe55ad72572ec47dc09a02228d0c5a438571c76a41d16d92b35add057811977ce\",\"license\":\"MIT\"},\"contracts/L1/rollup/IStateCommitmentChain.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.9.0;\\n\\n/* Library Imports */\\nimport { Lib_OVMCodec } from \\\"../../libraries/codec/Lib_OVMCodec.sol\\\";\\n\\n/**\\n * @title IStateCommitmentChain\\n */\\ninterface IStateCommitmentChain {\\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(uint256 indexed _batchIndex, bytes32 _batchRoot);\\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() external view returns (uint256 _totalElements);\\n\\n /**\\n * Retrieves the total number of batches submitted.\\n * @return _totalBatches Total submitted batches.\\n */\\n function getTotalBatches() external view returns (uint256 _totalBatches);\\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() external view returns (uint256 _lastSequencerTimestamp);\\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(bytes32[] calldata _batch, uint256 _shouldStartAtElement) 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(Lib_OVMCodec.ChainBatchHeader memory _batchHeader) 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 ) external view returns (bool _verified);\\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(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)\\n external\\n view\\n returns (bool _inside);\\n}\\n\",\"keccak256\":\"0x47253e63bc34a006102374c39c052470b977e1eb63dacc953e2cbff19940de69\",\"license\":\"MIT\"},\"contracts/libraries/bridge/ICrossDomainMessenger.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity >0.5.0 <0.9.0;\\n\\n/**\\n * @title ICrossDomainMessenger\\n */\\ninterface ICrossDomainMessenger {\\n /**********\\n * Events *\\n **********/\\n\\n event SentMessage(\\n address indexed target,\\n address sender,\\n bytes message,\\n uint256 messageNonce,\\n uint256 gasLimit\\n );\\n event RelayedMessage(bytes32 indexed msgHash);\\n event FailedRelayedMessage(bytes32 indexed msgHash);\\n\\n /*************\\n * Variables *\\n *************/\\n\\n function xDomainMessageSender() external view returns (address);\\n\\n /********************\\n * Public Functions *\\n ********************/\\n\\n /**\\n * Sends a cross domain message to the target messenger.\\n * @param _target Target contract address.\\n * @param _message Message to send to the target.\\n * @param _gasLimit Gas limit for the provided message.\\n */\\n function sendMessage(\\n address _target,\\n bytes calldata _message,\\n uint32 _gasLimit\\n ) external;\\n}\\n\",\"keccak256\":\"0x8f29ae23021345a20ccac7b5edb3fc38268aef943b65adc8a32e74b80bf1833a\",\"license\":\"MIT\"},\"contracts/libraries/bridge/Lib_CrossDomainUtils.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { Lib_RLPReader } from \\\"../rlp/Lib_RLPReader.sol\\\";\\n\\n/**\\n * @title Lib_CrossDomainUtils\\n */\\nlibrary Lib_CrossDomainUtils {\\n /**\\n * Generates the correct cross domain calldata for a message.\\n * @param _target Target contract address.\\n * @param _sender Message sender address.\\n * @param _message Message to send to the target.\\n * @param _messageNonce Nonce for the provided message.\\n * @return ABI encoded cross domain calldata.\\n */\\n function encodeXDomainCalldata(\\n address _target,\\n address _sender,\\n bytes memory _message,\\n uint256 _messageNonce\\n ) internal pure returns (bytes memory) {\\n return\\n abi.encodeWithSignature(\\n \\\"relayMessage(address,address,bytes,uint256)\\\",\\n _target,\\n _sender,\\n _message,\\n _messageNonce\\n );\\n }\\n}\\n\",\"keccak256\":\"0x6866bf6fb1e32824f58e3cfdeab1220448c4d1130e5ba43c9a060d5c7aae9df1\",\"license\":\"MIT\"},\"contracts/libraries/codec/Lib_OVMCodec.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\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\\\";\\n\\n/**\\n * @title Lib_OVMCodec\\n */\\nlibrary Lib_OVMCodec {\\n /*********\\n * Enums *\\n *********/\\n\\n enum QueueOrigin {\\n SEQUENCER_QUEUE,\\n L1TOL2_QUEUE\\n }\\n\\n /***********\\n * Structs *\\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 transactionHash;\\n uint40 timestamp;\\n uint40 blockNumber;\\n }\\n\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * Encodes a standard OVM transaction.\\n * @param _transaction OVM transaction to encode.\\n * @return Encoded transaction bytes.\\n */\\n function encodeTransaction(Transaction memory _transaction)\\n internal\\n pure\\n returns (bytes memory)\\n {\\n return\\n 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 Hashed transaction\\n */\\n function hashTransaction(Transaction memory _transaction) internal pure returns (bytes32) {\\n return keccak256(encodeTransaction(_transaction));\\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 state struct.\\n */\\n function decodeEVMAccount(bytes memory _encoded) internal pure returns (EVMAccount memory) {\\n Lib_RLPReader.RLPItem[] memory accountState = Lib_RLPReader.readList(_encoded);\\n\\n return\\n 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 of the header.\\n */\\n function hashBatchHeader(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)\\n internal\\n pure\\n returns (bytes32)\\n {\\n return\\n keccak256(\\n abi.encode(\\n _batchHeader.batchRoot,\\n _batchHeader.batchSize,\\n _batchHeader.prevTotalElements,\\n _batchHeader.extraData\\n )\\n );\\n }\\n}\\n\",\"keccak256\":\"0xb5009ac1e0617e0b3b2fb917f08f8e8a7ae706034cc3a675258bc3d91978525e\",\"license\":\"MIT\"},\"contracts/libraries/constants/Lib_DefaultValues.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_DefaultValues\\n */\\nlibrary Lib_DefaultValues {\\n // The default x-domain message sender being set to a non-zero value makes\\n // deployment a bit more expensive, but in exchange the refund on every call to\\n // `relayMessage` by the L1 and L2 messengers will be higher.\\n address internal constant DEFAULT_XDOMAIN_SENDER = 0x000000000000000000000000000000000000dEaD;\\n}\\n\",\"keccak256\":\"0xa4c6003e04da72f20adb9caed0f8fd3faf5402ad8aa6034e8d9b440e7c0dd227\",\"license\":\"MIT\"},\"contracts/libraries/constants/Lib_PredeployAddresses.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_PredeployAddresses\\n */\\nlibrary Lib_PredeployAddresses {\\n address internal constant L2_TO_L1_MESSAGE_PASSER = 0x4200000000000000000000000000000000000000;\\n address internal constant L1_MESSAGE_SENDER = 0x4200000000000000000000000000000000000001;\\n address internal constant DEPLOYER_WHITELIST = 0x4200000000000000000000000000000000000002;\\n address payable internal constant OVM_ETH = payable(0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000);\\n address internal constant L2_CROSS_DOMAIN_MESSENGER =\\n 0x4200000000000000000000000000000000000007;\\n address internal constant LIB_ADDRESS_MANAGER = 0x4200000000000000000000000000000000000008;\\n address internal constant PROXY_EOA = 0x4200000000000000000000000000000000000009;\\n address internal constant L2_STANDARD_BRIDGE = 0x4200000000000000000000000000000000000010;\\n address internal constant SEQUENCER_FEE_WALLET = 0x4200000000000000000000000000000000000011;\\n address internal constant L2_STANDARD_TOKEN_FACTORY =\\n 0x4200000000000000000000000000000000000012;\\n address internal constant L1_BLOCK_NUMBER = 0x4200000000000000000000000000000000000013;\\n}\\n\",\"keccak256\":\"0x2bc28307af93e9716151a41a81694b56cbe513ef5eb335fb1d81f35e5db8edfa\",\"license\":\"MIT\"},\"contracts/libraries/resolver/Lib_AddressManager.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* External Imports */\\nimport { Ownable } from \\\"@openzeppelin/contracts/access/Ownable.sol\\\";\\n\\n/**\\n * @title Lib_AddressManager\\n */\\ncontract Lib_AddressManager is Ownable {\\n /**********\\n * Events *\\n **********/\\n\\n event AddressSet(string indexed _name, address _newAddress, address _oldAddress);\\n\\n /*************\\n * Variables *\\n *************/\\n\\n mapping(bytes32 => address) private addresses;\\n\\n /********************\\n * Public Functions *\\n ********************/\\n\\n /**\\n * Changes the address associated with a particular name.\\n * @param _name String name to associate an address with.\\n * @param _address Address to associate with the name.\\n */\\n function setAddress(string memory _name, address _address) external onlyOwner {\\n bytes32 nameHash = _getNameHash(_name);\\n address oldAddress = addresses[nameHash];\\n addresses[nameHash] = _address;\\n\\n emit AddressSet(_name, _address, oldAddress);\\n }\\n\\n /**\\n * Retrieves the address associated with a given name.\\n * @param _name Name to retrieve an address for.\\n * @return Address associated with the given name.\\n */\\n function getAddress(string memory _name) external view returns (address) {\\n return addresses[_getNameHash(_name)];\\n }\\n\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * Computes the hash of a name.\\n * @param _name Name to compute a hash for.\\n * @return Hash of the given name.\\n */\\n function _getNameHash(string memory _name) internal pure returns (bytes32) {\\n return keccak256(abi.encodePacked(_name));\\n }\\n}\\n\",\"keccak256\":\"0xcde9b29429d512c549f7c1b8a033f161fa71c18cda08b241748663854196ae14\",\"license\":\"MIT\"},\"contracts/libraries/resolver/Lib_AddressResolver.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { Lib_AddressManager } from \\\"./Lib_AddressManager.sol\\\";\\n\\n/**\\n * @title Lib_AddressResolver\\n */\\nabstract contract Lib_AddressResolver {\\n /*************\\n * Variables *\\n *************/\\n\\n Lib_AddressManager public libAddressManager;\\n\\n /***************\\n * Constructor *\\n ***************/\\n\\n /**\\n * @param _libAddressManager Address of the Lib_AddressManager.\\n */\\n constructor(address _libAddressManager) {\\n libAddressManager = Lib_AddressManager(_libAddressManager);\\n }\\n\\n /********************\\n * Public Functions *\\n ********************/\\n\\n /**\\n * Resolves the address associated with a given name.\\n * @param _name Name to resolve an address for.\\n * @return Address associated with the given name.\\n */\\n function resolve(string memory _name) public view returns (address) {\\n return libAddressManager.getAddress(_name);\\n }\\n}\\n\",\"keccak256\":\"0x515c4db671a28e2fe180201f6d11c0208c05f582ca3489fb6b8e81c27659bc62\",\"license\":\"MIT\"},\"contracts/libraries/rlp/Lib_RLPReader.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_RLPReader\\n * @dev Adapted from \\\"RLPReader\\\" by Hamdi Allam (hamdi.allam97@gmail.com).\\n */\\nlibrary Lib_RLPReader {\\n /*************\\n * Constants *\\n *************/\\n\\n uint256 internal constant MAX_LIST_LENGTH = 32;\\n\\n /*********\\n * Enums *\\n *********/\\n\\n enum RLPItemType {\\n DATA_ITEM,\\n LIST_ITEM\\n }\\n\\n /***********\\n * Structs *\\n ***********/\\n\\n struct RLPItem {\\n uint256 length;\\n uint256 ptr;\\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(bytes memory _in) internal pure returns (RLPItem memory) {\\n uint256 ptr;\\n assembly {\\n ptr := add(_in, 32)\\n }\\n\\n return RLPItem({ length: _in.length, ptr: ptr });\\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(RLPItem memory _in) internal pure returns (RLPItem[] memory) {\\n (uint256 listOffset, , RLPItemType itemType) = _decodeLength(_in);\\n\\n require(itemType == RLPItemType.LIST_ITEM, \\\"Invalid RLP list value.\\\");\\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(itemCount < MAX_LIST_LENGTH, \\\"Provided RLP list exceeds max list length.\\\");\\n\\n (uint256 itemOffset, uint256 itemLength, ) = _decodeLength(\\n RLPItem({ length: _in.length - offset, ptr: _in.ptr + offset })\\n );\\n\\n out[itemCount] = RLPItem({ length: itemLength + itemOffset, ptr: _in.ptr + offset });\\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(bytes memory _in) internal pure returns (RLPItem[] memory) {\\n return readList(toRLPItem(_in));\\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(RLPItem memory _in) internal pure returns (bytes memory) {\\n (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);\\n\\n require(itemType == RLPItemType.DATA_ITEM, \\\"Invalid RLP bytes value.\\\");\\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(bytes memory _in) internal pure returns (bytes memory) {\\n return readBytes(toRLPItem(_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(RLPItem memory _in) internal pure returns (string memory) {\\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(bytes memory _in) internal pure returns (string memory) {\\n return readString(toRLPItem(_in));\\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(RLPItem memory _in) internal pure returns (bytes32) {\\n require(_in.length <= 33, \\\"Invalid RLP bytes32 value.\\\");\\n\\n (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);\\n\\n require(itemType == RLPItemType.DATA_ITEM, \\\"Invalid RLP bytes32 value.\\\");\\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(bytes memory _in) internal pure returns (bytes32) {\\n return readBytes32(toRLPItem(_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(RLPItem memory _in) internal pure returns (uint256) {\\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(bytes memory _in) internal pure returns (uint256) {\\n return readUint256(toRLPItem(_in));\\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(RLPItem memory _in) internal pure returns (bool) {\\n require(_in.length == 1, \\\"Invalid RLP boolean value.\\\");\\n\\n uint256 ptr = _in.ptr;\\n uint256 out;\\n assembly {\\n out := byte(0, mload(ptr))\\n }\\n\\n require(out == 0 || out == 1, \\\"Lib_RLPReader: Invalid RLP boolean value, must be 0 or 1\\\");\\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(bytes memory _in) internal pure returns (bool) {\\n return readBool(toRLPItem(_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(RLPItem memory _in) internal pure returns (address) {\\n if (_in.length == 1) {\\n return address(0);\\n }\\n\\n require(_in.length == 21, \\\"Invalid RLP address value.\\\");\\n\\n return address(uint160(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(bytes memory _in) internal pure returns (address) {\\n return readAddress(toRLPItem(_in));\\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(RLPItem memory _in) internal pure returns (bytes memory) {\\n return _copy(_in);\\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(RLPItem memory _in)\\n private\\n pure\\n returns (\\n uint256,\\n uint256,\\n RLPItemType\\n )\\n {\\n require(_in.length > 0, \\\"RLP item cannot be null.\\\");\\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(_in.length > strLen, \\\"Invalid RLP short string.\\\");\\n\\n return (1, strLen, RLPItemType.DATA_ITEM);\\n } else if (prefix <= 0xbf) {\\n // Long string.\\n uint256 lenOfStrLen = prefix - 0xb7;\\n\\n require(_in.length > lenOfStrLen, \\\"Invalid RLP long string length.\\\");\\n\\n uint256 strLen;\\n assembly {\\n // Pick out the string length.\\n strLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfStrLen)))\\n }\\n\\n require(_in.length > lenOfStrLen + strLen, \\\"Invalid RLP long string.\\\");\\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(_in.length > listLen, \\\"Invalid RLP short list.\\\");\\n\\n return (1, listLen, RLPItemType.LIST_ITEM);\\n } else {\\n // Long list.\\n uint256 lenOfListLen = prefix - 0xf7;\\n\\n require(_in.length > lenOfListLen, \\\"Invalid RLP long list length.\\\");\\n\\n uint256 listLen;\\n assembly {\\n // Pick out the list length.\\n listLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfListLen)))\\n }\\n\\n require(_in.length > lenOfListLen + listLen, \\\"Invalid RLP long list.\\\");\\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 ) private pure returns (bytes memory) {\\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;\\n unchecked {\\n mask = 256**(32 - (_length % 32)) - 1;\\n }\\n\\n assembly {\\n mstore(dest, or(and(mload(src), not(mask)), and(mload(dest), mask)))\\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(RLPItem memory _in) private pure returns (bytes memory) {\\n return _copy(_in.ptr, 0, _in.length);\\n }\\n}\\n\",\"keccak256\":\"0xde4a27577a23b2b11b21e8af3e1a0df50b0b27f08864795f7a84b1e3c230da33\",\"license\":\"MIT\"},\"contracts/libraries/rlp/Lib_RLPWriter.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_RLPWriter\\n * @author Bakaoh (with modifications)\\n */\\nlibrary Lib_RLPWriter {\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * RLP encodes a byte string.\\n * @param _in The byte string to encode.\\n * @return The RLP encoded string in bytes.\\n */\\n function writeBytes(bytes memory _in) internal pure returns (bytes memory) {\\n bytes memory encoded;\\n\\n if (_in.length == 1 && uint8(_in[0]) < 128) {\\n encoded = _in;\\n } else {\\n encoded = abi.encodePacked(_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 The RLP encoded list of items in bytes.\\n */\\n function writeList(bytes[] memory _in) internal pure returns (bytes memory) {\\n bytes memory list = _flatten(_in);\\n return abi.encodePacked(_writeLength(list.length, 192), list);\\n }\\n\\n /**\\n * RLP encodes a string.\\n * @param _in The string to encode.\\n * @return The RLP encoded string in bytes.\\n */\\n function writeString(string memory _in) internal pure returns (bytes memory) {\\n return writeBytes(bytes(_in));\\n }\\n\\n /**\\n * RLP encodes an address.\\n * @param _in The address to encode.\\n * @return The RLP encoded address in bytes.\\n */\\n function writeAddress(address _in) internal pure returns (bytes memory) {\\n return writeBytes(abi.encodePacked(_in));\\n }\\n\\n /**\\n * RLP encodes a uint.\\n * @param _in The uint256 to encode.\\n * @return The RLP encoded uint256 in bytes.\\n */\\n function writeUint(uint256 _in) internal pure returns (bytes memory) {\\n return writeBytes(_toBinary(_in));\\n }\\n\\n /**\\n * RLP encodes a bool.\\n * @param _in The bool to encode.\\n * @return The RLP encoded bool in bytes.\\n */\\n function writeBool(bool _in) internal pure returns (bytes memory) {\\n bytes memory encoded = new bytes(1);\\n encoded[0] = (_in ? bytes1(0x01) : bytes1(0x80));\\n return encoded;\\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 RLP encoded bytes.\\n */\\n function _writeLength(uint256 _len, uint256 _offset) private pure returns (bytes memory) {\\n bytes memory encoded;\\n\\n if (_len < 56) {\\n encoded = new bytes(1);\\n encoded[0] = bytes1(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] = bytes1(uint8(lenLen) + uint8(_offset) + 55);\\n for (i = 1; i <= lenLen; i++) {\\n encoded[i] = bytes1(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 RLP encoded bytes.\\n */\\n function _toBinary(uint256 _x) private pure returns (bytes memory) {\\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 ) private pure {\\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;\\n unchecked {\\n mask = 256**(32 - len) - 1;\\n }\\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 The flattened byte string.\\n */\\n function _flatten(bytes[] memory _list) private pure returns (bytes memory) {\\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 {\\n flattenedPtr := add(flattened, 0x20)\\n }\\n\\n for (i = 0; i < _list.length; i++) {\\n bytes memory item = _list[i];\\n\\n uint256 listPtr;\\n assembly {\\n listPtr := add(item, 0x20)\\n }\\n\\n _memcpy(flattenedPtr, listPtr, item.length);\\n flattenedPtr += _list[i].length;\\n }\\n\\n return flattened;\\n }\\n}\\n\",\"keccak256\":\"0x215b90672ce126effc3f2df61ca0cdf52d2b1cc9be602877e637829b0bf229fd\",\"license\":\"MIT\"},\"contracts/libraries/trie/Lib_MerkleTrie.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { Lib_BytesUtils } from \\\"../utils/Lib_BytesUtils.sol\\\";\\nimport { Lib_RLPReader } from \\\"../rlp/Lib_RLPReader.sol\\\";\\nimport { Lib_RLPWriter } from \\\"../rlp/Lib_RLPWriter.sol\\\";\\n\\n/**\\n * @title Lib_MerkleTrie\\n */\\nlibrary Lib_MerkleTrie {\\n /*******************\\n * Data Structures *\\n *******************/\\n\\n enum NodeType {\\n BranchNode,\\n ExtensionNode,\\n LeafNode\\n }\\n\\n struct TrieNode {\\n bytes encoded;\\n Lib_RLPReader.RLPItem[] decoded;\\n }\\n\\n /**********************\\n * Contract Constants *\\n **********************/\\n\\n // TREE_RADIX determines the number of elements per branch node.\\n uint256 constant TREE_RADIX = 16;\\n // Branch nodes have TREE_RADIX elements plus an additional `value` slot.\\n uint256 constant BRANCH_NODE_LENGTH = TREE_RADIX + 1;\\n // Leaf nodes and extension nodes always have two elements, a `path` and a `value`.\\n uint256 constant LEAF_OR_EXTENSION_NODE_LENGTH = 2;\\n\\n // Prefixes are prepended to the `path` within a leaf or extension node and\\n // allow us to differentiate between the two node types. `ODD` or `EVEN` is\\n // determined by the number of nibbles within the unprefixed `path`. If the\\n // number of nibbles if even, we need to insert an extra padding nibble so\\n // the resulting prefixed `path` has an even number of nibbles.\\n uint8 constant PREFIX_EXTENSION_EVEN = 0;\\n uint8 constant PREFIX_EXTENSION_ODD = 1;\\n uint8 constant PREFIX_LEAF_EVEN = 2;\\n uint8 constant PREFIX_LEAF_ODD = 3;\\n\\n // Just a utility constant. RLP represents `NULL` as 0x80.\\n bytes1 constant RLP_NULL = bytes1(0x80);\\n bytes constant RLP_NULL_BYTES = hex\\\"80\\\";\\n bytes32 internal constant KECCAK256_RLP_NULL_BYTES = keccak256(RLP_NULL_BYTES);\\n\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * @notice Verifies a proof that a given key/value pair is present in the\\n * Merkle trie.\\n * @param _key Key of the node to search for, as a hex string.\\n * @param _value Value of the node to search for, as a hex string.\\n * @param _proof Merkle trie inclusion proof for the desired node. Unlike\\n * traditional Merkle trees, this proof is executed top-down and consists\\n * of a list of RLP-encoded nodes that make a path down to the target node.\\n * @param _root Known root of the Merkle trie. Used to verify that the\\n * included proof is correctly constructed.\\n * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.\\n */\\n function verifyInclusionProof(\\n bytes memory _key,\\n bytes memory _value,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bool _verified) {\\n (bool exists, bytes memory value) = get(_key, _proof, _root);\\n\\n return (exists && Lib_BytesUtils.equal(_value, value));\\n }\\n\\n /**\\n * @notice Updates a Merkle trie and returns a new root hash.\\n * @param _key Key of the node to update, as a hex string.\\n * @param _value Value of the node to update, as a hex string.\\n * @param _proof Merkle trie inclusion proof for the node *nearest* the\\n * target node. If the key exists, we can simply update the value.\\n * Otherwise, we need to modify the trie to handle the new k/v pair.\\n * @param _root Known root of the Merkle trie. Used to verify that the\\n * included proof is correctly constructed.\\n * @return _updatedRoot Root hash of the newly constructed trie.\\n */\\n function update(\\n bytes memory _key,\\n bytes memory _value,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bytes32 _updatedRoot) {\\n // Special case when inserting the very first node.\\n if (_root == KECCAK256_RLP_NULL_BYTES) {\\n return getSingleNodeRootHash(_key, _value);\\n }\\n\\n TrieNode[] memory proof = _parseProof(_proof);\\n (uint256 pathLength, bytes memory keyRemainder, ) = _walkNodePath(proof, _key, _root);\\n TrieNode[] memory newPath = _getNewPath(proof, pathLength, _key, keyRemainder, _value);\\n\\n return _getUpdatedTrieRoot(newPath, _key);\\n }\\n\\n /**\\n * @notice Retrieves the value associated with a given key.\\n * @param _key Key to search for, as hex bytes.\\n * @param _proof Merkle trie inclusion proof for the key.\\n * @param _root Known root of the Merkle trie.\\n * @return _exists Whether or not the key exists.\\n * @return _value Value of the key if it exists.\\n */\\n function get(\\n bytes memory _key,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bool _exists, bytes memory _value) {\\n TrieNode[] memory proof = _parseProof(_proof);\\n (uint256 pathLength, bytes memory keyRemainder, bool isFinalNode) = _walkNodePath(\\n proof,\\n _key,\\n _root\\n );\\n\\n bool exists = keyRemainder.length == 0;\\n\\n require(exists || isFinalNode, \\\"Provided proof is invalid.\\\");\\n\\n bytes memory value = exists ? _getNodeValue(proof[pathLength - 1]) : bytes(\\\"\\\");\\n\\n return (exists, value);\\n }\\n\\n /**\\n * Computes the root hash for a trie with a single node.\\n * @param _key Key for the single node.\\n * @param _value Value for the single node.\\n * @return _updatedRoot Hash of the trie.\\n */\\n function getSingleNodeRootHash(bytes memory _key, bytes memory _value)\\n internal\\n pure\\n returns (bytes32 _updatedRoot)\\n {\\n return keccak256(_makeLeafNode(Lib_BytesUtils.toNibbles(_key), _value).encoded);\\n }\\n\\n /*********************\\n * Private Functions *\\n *********************/\\n\\n /**\\n * @notice Walks through a proof using a provided key.\\n * @param _proof Inclusion proof to walk through.\\n * @param _key Key to use for the walk.\\n * @param _root Known root of the trie.\\n * @return _pathLength Length of the final path\\n * @return _keyRemainder Portion of the key remaining after the walk.\\n * @return _isFinalNode Whether or not we've hit a dead end.\\n */\\n function _walkNodePath(\\n TrieNode[] memory _proof,\\n bytes memory _key,\\n bytes32 _root\\n )\\n private\\n pure\\n returns (\\n uint256 _pathLength,\\n bytes memory _keyRemainder,\\n bool _isFinalNode\\n )\\n {\\n uint256 pathLength = 0;\\n bytes memory key = Lib_BytesUtils.toNibbles(_key);\\n\\n bytes32 currentNodeID = _root;\\n uint256 currentKeyIndex = 0;\\n uint256 currentKeyIncrement = 0;\\n TrieNode memory currentNode;\\n\\n // Proof is top-down, so we start at the first element (root).\\n for (uint256 i = 0; i < _proof.length; i++) {\\n currentNode = _proof[i];\\n currentKeyIndex += currentKeyIncrement;\\n\\n // Keep track of the proof elements we actually need.\\n // It's expensive to resize arrays, so this simply reduces gas costs.\\n pathLength += 1;\\n\\n if (currentKeyIndex == 0) {\\n // First proof element is always the root node.\\n require(keccak256(currentNode.encoded) == currentNodeID, \\\"Invalid root hash\\\");\\n } else if (currentNode.encoded.length >= 32) {\\n // Nodes 32 bytes or larger are hashed inside branch nodes.\\n require(\\n keccak256(currentNode.encoded) == currentNodeID,\\n \\\"Invalid large internal hash\\\"\\n );\\n } else {\\n // Nodes smaller than 31 bytes aren't hashed.\\n require(\\n Lib_BytesUtils.toBytes32(currentNode.encoded) == currentNodeID,\\n \\\"Invalid internal node hash\\\"\\n );\\n }\\n\\n if (currentNode.decoded.length == BRANCH_NODE_LENGTH) {\\n if (currentKeyIndex == key.length) {\\n // We've hit the end of the key\\n // meaning the value should be within this branch node.\\n break;\\n } else {\\n // We're not at the end of the key yet.\\n // Figure out what the next node ID should be and continue.\\n uint8 branchKey = uint8(key[currentKeyIndex]);\\n Lib_RLPReader.RLPItem memory nextNode = currentNode.decoded[branchKey];\\n currentNodeID = _getNodeID(nextNode);\\n currentKeyIncrement = 1;\\n continue;\\n }\\n } else if (currentNode.decoded.length == LEAF_OR_EXTENSION_NODE_LENGTH) {\\n bytes memory path = _getNodePath(currentNode);\\n uint8 prefix = uint8(path[0]);\\n uint8 offset = 2 - (prefix % 2);\\n bytes memory pathRemainder = Lib_BytesUtils.slice(path, offset);\\n bytes memory keyRemainder = Lib_BytesUtils.slice(key, currentKeyIndex);\\n uint256 sharedNibbleLength = _getSharedNibbleLength(pathRemainder, keyRemainder);\\n\\n if (prefix == PREFIX_LEAF_EVEN || prefix == PREFIX_LEAF_ODD) {\\n if (\\n pathRemainder.length == sharedNibbleLength &&\\n keyRemainder.length == sharedNibbleLength\\n ) {\\n // The key within this leaf matches our key exactly.\\n // Increment the key index to reflect that we have no remainder.\\n currentKeyIndex += sharedNibbleLength;\\n }\\n\\n // We've hit a leaf node, so our next node should be NULL.\\n currentNodeID = bytes32(RLP_NULL);\\n break;\\n } else if (prefix == PREFIX_EXTENSION_EVEN || prefix == PREFIX_EXTENSION_ODD) {\\n if (sharedNibbleLength != pathRemainder.length) {\\n // Our extension node is not identical to the remainder.\\n // We've hit the end of this path\\n // updates will need to modify this extension.\\n currentNodeID = bytes32(RLP_NULL);\\n break;\\n } else {\\n // Our extension shares some nibbles.\\n // Carry on to the next node.\\n currentNodeID = _getNodeID(currentNode.decoded[1]);\\n currentKeyIncrement = sharedNibbleLength;\\n continue;\\n }\\n } else {\\n revert(\\\"Received a node with an unknown prefix\\\");\\n }\\n } else {\\n revert(\\\"Received an unparseable node.\\\");\\n }\\n }\\n\\n // If our node ID is NULL, then we're at a dead end.\\n bool isFinalNode = currentNodeID == bytes32(RLP_NULL);\\n return (pathLength, Lib_BytesUtils.slice(key, currentKeyIndex), isFinalNode);\\n }\\n\\n /**\\n * @notice Creates new nodes to support a k/v pair insertion into a given Merkle trie path.\\n * @param _path Path to the node nearest the k/v pair.\\n * @param _pathLength Length of the path. Necessary because the provided path may include\\n * additional nodes (e.g., it comes directly from a proof) and we can't resize in-memory\\n * arrays without costly duplication.\\n * @param _key Full original key.\\n * @param _keyRemainder Portion of the initial key that must be inserted into the trie.\\n * @param _value Value to insert at the given key.\\n * @return _newPath A new path with the inserted k/v pair and extra supporting nodes.\\n */\\n function _getNewPath(\\n TrieNode[] memory _path,\\n uint256 _pathLength,\\n bytes memory _key,\\n bytes memory _keyRemainder,\\n bytes memory _value\\n ) private pure returns (TrieNode[] memory _newPath) {\\n bytes memory keyRemainder = _keyRemainder;\\n\\n // Most of our logic depends on the status of the last node in the path.\\n TrieNode memory lastNode = _path[_pathLength - 1];\\n NodeType lastNodeType = _getNodeType(lastNode);\\n\\n // Create an array for newly created nodes.\\n // We need up to three new nodes, depending on the contents of the last node.\\n // Since array resizing is expensive, we'll keep track of the size manually.\\n // We're using an explicit `totalNewNodes += 1` after insertions for clarity.\\n TrieNode[] memory newNodes = new TrieNode[](3);\\n uint256 totalNewNodes = 0;\\n\\n // solhint-disable-next-line max-line-length\\n // Reference: https://github.com/ethereumjs/merkle-patricia-tree/blob/c0a10395aab37d42c175a47114ebfcbd7efcf059/src/baseTrie.ts#L294-L313\\n bool matchLeaf = false;\\n if (lastNodeType == NodeType.LeafNode) {\\n uint256 l = 0;\\n if (_path.length > 0) {\\n for (uint256 i = 0; i < _path.length - 1; i++) {\\n if (_getNodeType(_path[i]) == NodeType.BranchNode) {\\n l++;\\n } else {\\n l += _getNodeKey(_path[i]).length;\\n }\\n }\\n }\\n\\n if (\\n _getSharedNibbleLength(\\n _getNodeKey(lastNode),\\n Lib_BytesUtils.slice(Lib_BytesUtils.toNibbles(_key), l)\\n ) ==\\n _getNodeKey(lastNode).length &&\\n keyRemainder.length == 0\\n ) {\\n matchLeaf = true;\\n }\\n }\\n\\n if (matchLeaf) {\\n // We've found a leaf node with the given key.\\n // Simply need to update the value of the node to match.\\n newNodes[totalNewNodes] = _makeLeafNode(_getNodeKey(lastNode), _value);\\n totalNewNodes += 1;\\n } else if (lastNodeType == NodeType.BranchNode) {\\n if (keyRemainder.length == 0) {\\n // We've found a branch node with the given key.\\n // Simply need to update the value of the node to match.\\n newNodes[totalNewNodes] = _editBranchValue(lastNode, _value);\\n totalNewNodes += 1;\\n } else {\\n // We've found a branch node, but it doesn't contain our key.\\n // Reinsert the old branch for now.\\n newNodes[totalNewNodes] = lastNode;\\n totalNewNodes += 1;\\n // Create a new leaf node, slicing our remainder since the first byte points\\n // to our branch node.\\n newNodes[totalNewNodes] = _makeLeafNode(\\n Lib_BytesUtils.slice(keyRemainder, 1),\\n _value\\n );\\n totalNewNodes += 1;\\n }\\n } else {\\n // Our last node is either an extension node or a leaf node with a different key.\\n bytes memory lastNodeKey = _getNodeKey(lastNode);\\n uint256 sharedNibbleLength = _getSharedNibbleLength(lastNodeKey, keyRemainder);\\n\\n if (sharedNibbleLength != 0) {\\n // We've got some shared nibbles between the last node and our key remainder.\\n // We'll need to insert an extension node that covers these shared nibbles.\\n bytes memory nextNodeKey = Lib_BytesUtils.slice(lastNodeKey, 0, sharedNibbleLength);\\n newNodes[totalNewNodes] = _makeExtensionNode(nextNodeKey, _getNodeHash(_value));\\n totalNewNodes += 1;\\n\\n // Cut down the keys since we've just covered these shared nibbles.\\n lastNodeKey = Lib_BytesUtils.slice(lastNodeKey, sharedNibbleLength);\\n keyRemainder = Lib_BytesUtils.slice(keyRemainder, sharedNibbleLength);\\n }\\n\\n // Create an empty branch to fill in.\\n TrieNode memory newBranch = _makeEmptyBranchNode();\\n\\n if (lastNodeKey.length == 0) {\\n // Key remainder was larger than the key for our last node.\\n // The value within our last node is therefore going to be shifted into\\n // a branch value slot.\\n newBranch = _editBranchValue(newBranch, _getNodeValue(lastNode));\\n } else {\\n // Last node key was larger than the key remainder.\\n // We're going to modify some index of our branch.\\n uint8 branchKey = uint8(lastNodeKey[0]);\\n // Move on to the next nibble.\\n lastNodeKey = Lib_BytesUtils.slice(lastNodeKey, 1);\\n\\n if (lastNodeType == NodeType.LeafNode) {\\n // We're dealing with a leaf node.\\n // We'll modify the key and insert the old leaf node into the branch index.\\n TrieNode memory modifiedLastNode = _makeLeafNode(\\n lastNodeKey,\\n _getNodeValue(lastNode)\\n );\\n newBranch = _editBranchIndex(\\n newBranch,\\n branchKey,\\n _getNodeHash(modifiedLastNode.encoded)\\n );\\n } else if (lastNodeKey.length != 0) {\\n // We're dealing with a shrinking extension node.\\n // We need to modify the node to decrease the size of the key.\\n TrieNode memory modifiedLastNode = _makeExtensionNode(\\n lastNodeKey,\\n _getNodeValue(lastNode)\\n );\\n newBranch = _editBranchIndex(\\n newBranch,\\n branchKey,\\n _getNodeHash(modifiedLastNode.encoded)\\n );\\n } else {\\n // We're dealing with an unnecessary extension node.\\n // We're going to delete the node entirely.\\n // Simply insert its current value into the branch index.\\n newBranch = _editBranchIndex(newBranch, branchKey, _getNodeValue(lastNode));\\n }\\n }\\n\\n if (keyRemainder.length == 0) {\\n // We've got nothing left in the key remainder.\\n // Simply insert the value into the branch value slot.\\n newBranch = _editBranchValue(newBranch, _value);\\n // Push the branch into the list of new nodes.\\n newNodes[totalNewNodes] = newBranch;\\n totalNewNodes += 1;\\n } else {\\n // We've got some key remainder to work with.\\n // We'll be inserting a leaf node into the trie.\\n // First, move on to the next nibble.\\n keyRemainder = Lib_BytesUtils.slice(keyRemainder, 1);\\n // Push the branch into the list of new nodes.\\n newNodes[totalNewNodes] = newBranch;\\n totalNewNodes += 1;\\n // Push a new leaf node for our k/v pair.\\n newNodes[totalNewNodes] = _makeLeafNode(keyRemainder, _value);\\n totalNewNodes += 1;\\n }\\n }\\n\\n // Finally, join the old path with our newly created nodes.\\n // Since we're overwriting the last node in the path, we use `_pathLength - 1`.\\n return _joinNodeArrays(_path, _pathLength - 1, newNodes, totalNewNodes);\\n }\\n\\n /**\\n * @notice Computes the trie root from a given path.\\n * @param _nodes Path to some k/v pair.\\n * @param _key Key for the k/v pair.\\n * @return _updatedRoot Root hash for the updated trie.\\n */\\n function _getUpdatedTrieRoot(TrieNode[] memory _nodes, bytes memory _key)\\n private\\n pure\\n returns (bytes32 _updatedRoot)\\n {\\n bytes memory key = Lib_BytesUtils.toNibbles(_key);\\n\\n // Some variables to keep track of during iteration.\\n TrieNode memory currentNode;\\n NodeType currentNodeType;\\n bytes memory previousNodeHash;\\n\\n // Run through the path backwards to rebuild our root hash.\\n for (uint256 i = _nodes.length; i > 0; i--) {\\n // Pick out the current node.\\n currentNode = _nodes[i - 1];\\n currentNodeType = _getNodeType(currentNode);\\n\\n if (currentNodeType == NodeType.LeafNode) {\\n // Leaf nodes are already correctly encoded.\\n // Shift the key over to account for the nodes key.\\n bytes memory nodeKey = _getNodeKey(currentNode);\\n key = Lib_BytesUtils.slice(key, 0, key.length - nodeKey.length);\\n } else if (currentNodeType == NodeType.ExtensionNode) {\\n // Shift the key over to account for the nodes key.\\n bytes memory nodeKey = _getNodeKey(currentNode);\\n key = Lib_BytesUtils.slice(key, 0, key.length - nodeKey.length);\\n\\n // If this node is the last element in the path, it'll be correctly encoded\\n // and we can skip this part.\\n if (previousNodeHash.length > 0) {\\n // Re-encode the node based on the previous node.\\n currentNode = _editExtensionNodeValue(currentNode, previousNodeHash);\\n }\\n } else if (currentNodeType == NodeType.BranchNode) {\\n // If this node is the last element in the path, it'll be correctly encoded\\n // and we can skip this part.\\n if (previousNodeHash.length > 0) {\\n // Re-encode the node based on the previous node.\\n uint8 branchKey = uint8(key[key.length - 1]);\\n key = Lib_BytesUtils.slice(key, 0, key.length - 1);\\n currentNode = _editBranchIndex(currentNode, branchKey, previousNodeHash);\\n }\\n }\\n\\n // Compute the node hash for the next iteration.\\n previousNodeHash = _getNodeHash(currentNode.encoded);\\n }\\n\\n // Current node should be the root at this point.\\n // Simply return the hash of its encoding.\\n return keccak256(currentNode.encoded);\\n }\\n\\n /**\\n * @notice Parses an RLP-encoded proof into something more useful.\\n * @param _proof RLP-encoded proof to parse.\\n * @return _parsed Proof parsed into easily accessible structs.\\n */\\n function _parseProof(bytes memory _proof) private pure returns (TrieNode[] memory _parsed) {\\n Lib_RLPReader.RLPItem[] memory nodes = Lib_RLPReader.readList(_proof);\\n TrieNode[] memory proof = new TrieNode[](nodes.length);\\n\\n for (uint256 i = 0; i < nodes.length; i++) {\\n bytes memory encoded = Lib_RLPReader.readBytes(nodes[i]);\\n proof[i] = TrieNode({ encoded: encoded, decoded: Lib_RLPReader.readList(encoded) });\\n }\\n\\n return proof;\\n }\\n\\n /**\\n * @notice Picks out the ID for a node. Node ID is referred to as the\\n * \\\"hash\\\" within the specification, but nodes < 32 bytes are not actually\\n * hashed.\\n * @param _node Node to pull an ID for.\\n * @return _nodeID ID for the node, depending on the size of its contents.\\n */\\n function _getNodeID(Lib_RLPReader.RLPItem memory _node) private pure returns (bytes32 _nodeID) {\\n bytes memory nodeID;\\n\\n if (_node.length < 32) {\\n // Nodes smaller than 32 bytes are RLP encoded.\\n nodeID = Lib_RLPReader.readRawBytes(_node);\\n } else {\\n // Nodes 32 bytes or larger are hashed.\\n nodeID = Lib_RLPReader.readBytes(_node);\\n }\\n\\n return Lib_BytesUtils.toBytes32(nodeID);\\n }\\n\\n /**\\n * @notice Gets the path for a leaf or extension node.\\n * @param _node Node to get a path for.\\n * @return _path Node path, converted to an array of nibbles.\\n */\\n function _getNodePath(TrieNode memory _node) private pure returns (bytes memory _path) {\\n return Lib_BytesUtils.toNibbles(Lib_RLPReader.readBytes(_node.decoded[0]));\\n }\\n\\n /**\\n * @notice Gets the key for a leaf or extension node. Keys are essentially\\n * just paths without any prefix.\\n * @param _node Node to get a key for.\\n * @return _key Node key, converted to an array of nibbles.\\n */\\n function _getNodeKey(TrieNode memory _node) private pure returns (bytes memory _key) {\\n return _removeHexPrefix(_getNodePath(_node));\\n }\\n\\n /**\\n * @notice Gets the path for a node.\\n * @param _node Node to get a value for.\\n * @return _value Node value, as hex bytes.\\n */\\n function _getNodeValue(TrieNode memory _node) private pure returns (bytes memory _value) {\\n return Lib_RLPReader.readBytes(_node.decoded[_node.decoded.length - 1]);\\n }\\n\\n /**\\n * @notice Computes the node hash for an encoded node. Nodes < 32 bytes\\n * are not hashed, all others are keccak256 hashed.\\n * @param _encoded Encoded node to hash.\\n * @return _hash Hash of the encoded node. Simply the input if < 32 bytes.\\n */\\n function _getNodeHash(bytes memory _encoded) private pure returns (bytes memory _hash) {\\n if (_encoded.length < 32) {\\n return _encoded;\\n } else {\\n return abi.encodePacked(keccak256(_encoded));\\n }\\n }\\n\\n /**\\n * @notice Determines the type for a given node.\\n * @param _node Node to determine a type for.\\n * @return _type Type of the node; BranchNode/ExtensionNode/LeafNode.\\n */\\n function _getNodeType(TrieNode memory _node) private pure returns (NodeType _type) {\\n if (_node.decoded.length == BRANCH_NODE_LENGTH) {\\n return NodeType.BranchNode;\\n } else if (_node.decoded.length == LEAF_OR_EXTENSION_NODE_LENGTH) {\\n bytes memory path = _getNodePath(_node);\\n uint8 prefix = uint8(path[0]);\\n\\n if (prefix == PREFIX_LEAF_EVEN || prefix == PREFIX_LEAF_ODD) {\\n return NodeType.LeafNode;\\n } else if (prefix == PREFIX_EXTENSION_EVEN || prefix == PREFIX_EXTENSION_ODD) {\\n return NodeType.ExtensionNode;\\n }\\n }\\n\\n revert(\\\"Invalid node type\\\");\\n }\\n\\n /**\\n * @notice Utility; determines the number of nibbles shared between two\\n * nibble arrays.\\n * @param _a First nibble array.\\n * @param _b Second nibble array.\\n * @return _shared Number of shared nibbles.\\n */\\n function _getSharedNibbleLength(bytes memory _a, bytes memory _b)\\n private\\n pure\\n returns (uint256 _shared)\\n {\\n uint256 i = 0;\\n while (_a.length > i && _b.length > i && _a[i] == _b[i]) {\\n i++;\\n }\\n return i;\\n }\\n\\n /**\\n * @notice Utility; converts an RLP-encoded node into our nice struct.\\n * @param _raw RLP-encoded node to convert.\\n * @return _node Node as a TrieNode struct.\\n */\\n function _makeNode(bytes[] memory _raw) private pure returns (TrieNode memory _node) {\\n bytes memory encoded = Lib_RLPWriter.writeList(_raw);\\n\\n return TrieNode({ encoded: encoded, decoded: Lib_RLPReader.readList(encoded) });\\n }\\n\\n /**\\n * @notice Utility; converts an RLP-decoded node into our nice struct.\\n * @param _items RLP-decoded node to convert.\\n * @return _node Node as a TrieNode struct.\\n */\\n function _makeNode(Lib_RLPReader.RLPItem[] memory _items)\\n private\\n pure\\n returns (TrieNode memory _node)\\n {\\n bytes[] memory raw = new bytes[](_items.length);\\n for (uint256 i = 0; i < _items.length; i++) {\\n raw[i] = Lib_RLPReader.readRawBytes(_items[i]);\\n }\\n return _makeNode(raw);\\n }\\n\\n /**\\n * @notice Creates a new extension node.\\n * @param _key Key for the extension node, unprefixed.\\n * @param _value Value for the extension node.\\n * @return _node New extension node with the given k/v pair.\\n */\\n function _makeExtensionNode(bytes memory _key, bytes memory _value)\\n private\\n pure\\n returns (TrieNode memory _node)\\n {\\n bytes[] memory raw = new bytes[](2);\\n bytes memory key = _addHexPrefix(_key, false);\\n raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));\\n raw[1] = Lib_RLPWriter.writeBytes(_value);\\n return _makeNode(raw);\\n }\\n\\n /**\\n * Creates a new extension node with the same key but a different value.\\n * @param _node Extension node to copy and modify.\\n * @param _value New value for the extension node.\\n * @return New node with the same key and different value.\\n */\\n function _editExtensionNodeValue(TrieNode memory _node, bytes memory _value)\\n private\\n pure\\n returns (TrieNode memory)\\n {\\n bytes[] memory raw = new bytes[](2);\\n bytes memory key = _addHexPrefix(_getNodeKey(_node), false);\\n raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));\\n if (_value.length < 32) {\\n raw[1] = _value;\\n } else {\\n raw[1] = Lib_RLPWriter.writeBytes(_value);\\n }\\n return _makeNode(raw);\\n }\\n\\n /**\\n * @notice Creates a new leaf node.\\n * @dev This function is essentially identical to `_makeExtensionNode`.\\n * Although we could route both to a single method with a flag, it's\\n * more gas efficient to keep them separate and duplicate the logic.\\n * @param _key Key for the leaf node, unprefixed.\\n * @param _value Value for the leaf node.\\n * @return _node New leaf node with the given k/v pair.\\n */\\n function _makeLeafNode(bytes memory _key, bytes memory _value)\\n private\\n pure\\n returns (TrieNode memory _node)\\n {\\n bytes[] memory raw = new bytes[](2);\\n bytes memory key = _addHexPrefix(_key, true);\\n raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));\\n raw[1] = Lib_RLPWriter.writeBytes(_value);\\n return _makeNode(raw);\\n }\\n\\n /**\\n * @notice Creates an empty branch node.\\n * @return _node Empty branch node as a TrieNode struct.\\n */\\n function _makeEmptyBranchNode() private pure returns (TrieNode memory _node) {\\n bytes[] memory raw = new bytes[](BRANCH_NODE_LENGTH);\\n for (uint256 i = 0; i < raw.length; i++) {\\n raw[i] = RLP_NULL_BYTES;\\n }\\n return _makeNode(raw);\\n }\\n\\n /**\\n * @notice Modifies the value slot for a given branch.\\n * @param _branch Branch node to modify.\\n * @param _value Value to insert into the branch.\\n * @return _updatedNode Modified branch node.\\n */\\n function _editBranchValue(TrieNode memory _branch, bytes memory _value)\\n private\\n pure\\n returns (TrieNode memory _updatedNode)\\n {\\n bytes memory encoded = Lib_RLPWriter.writeBytes(_value);\\n _branch.decoded[_branch.decoded.length - 1] = Lib_RLPReader.toRLPItem(encoded);\\n return _makeNode(_branch.decoded);\\n }\\n\\n /**\\n * @notice Modifies a slot at an index for a given branch.\\n * @param _branch Branch node to modify.\\n * @param _index Slot index to modify.\\n * @param _value Value to insert into the slot.\\n * @return _updatedNode Modified branch node.\\n */\\n function _editBranchIndex(\\n TrieNode memory _branch,\\n uint8 _index,\\n bytes memory _value\\n ) private pure returns (TrieNode memory _updatedNode) {\\n bytes memory encoded = _value.length < 32 ? _value : Lib_RLPWriter.writeBytes(_value);\\n _branch.decoded[_index] = Lib_RLPReader.toRLPItem(encoded);\\n return _makeNode(_branch.decoded);\\n }\\n\\n /**\\n * @notice Utility; adds a prefix to a key.\\n * @param _key Key to prefix.\\n * @param _isLeaf Whether or not the key belongs to a leaf.\\n * @return _prefixedKey Prefixed key.\\n */\\n function _addHexPrefix(bytes memory _key, bool _isLeaf)\\n private\\n pure\\n returns (bytes memory _prefixedKey)\\n {\\n uint8 prefix = _isLeaf ? uint8(0x02) : uint8(0x00);\\n uint8 offset = uint8(_key.length % 2);\\n bytes memory prefixed = new bytes(2 - offset);\\n prefixed[0] = bytes1(prefix + offset);\\n return abi.encodePacked(prefixed, _key);\\n }\\n\\n /**\\n * @notice Utility; removes a prefix from a path.\\n * @param _path Path to remove the prefix from.\\n * @return _unprefixedKey Unprefixed key.\\n */\\n function _removeHexPrefix(bytes memory _path)\\n private\\n pure\\n returns (bytes memory _unprefixedKey)\\n {\\n if (uint8(_path[0]) % 2 == 0) {\\n return Lib_BytesUtils.slice(_path, 2);\\n } else {\\n return Lib_BytesUtils.slice(_path, 1);\\n }\\n }\\n\\n /**\\n * @notice Utility; combines two node arrays. Array lengths are required\\n * because the actual lengths may be longer than the filled lengths.\\n * Array resizing is extremely costly and should be avoided.\\n * @param _a First array to join.\\n * @param _aLength Length of the first array.\\n * @param _b Second array to join.\\n * @param _bLength Length of the second array.\\n * @return _joined Combined node array.\\n */\\n function _joinNodeArrays(\\n TrieNode[] memory _a,\\n uint256 _aLength,\\n TrieNode[] memory _b,\\n uint256 _bLength\\n ) private pure returns (TrieNode[] memory _joined) {\\n TrieNode[] memory ret = new TrieNode[](_aLength + _bLength);\\n\\n // Copy elements from the first array.\\n for (uint256 i = 0; i < _aLength; i++) {\\n ret[i] = _a[i];\\n }\\n\\n // Copy elements from the second array.\\n for (uint256 i = 0; i < _bLength; i++) {\\n ret[i + _aLength] = _b[i];\\n }\\n\\n return ret;\\n }\\n}\\n\",\"keccak256\":\"0xf74792249e96247fdcd4f91ff472e9bc29c4fba5d651696c5b769c71d0a49db2\",\"license\":\"MIT\"},\"contracts/libraries/trie/Lib_SecureMerkleTrie.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/* Library Imports */\\nimport { Lib_MerkleTrie } from \\\"./Lib_MerkleTrie.sol\\\";\\n\\n/**\\n * @title Lib_SecureMerkleTrie\\n */\\nlibrary Lib_SecureMerkleTrie {\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * @notice Verifies a proof that a given key/value pair is present in the\\n * Merkle trie.\\n * @param _key Key of the node to search for, as a hex string.\\n * @param _value Value of the node to search for, as a hex string.\\n * @param _proof Merkle trie inclusion proof for the desired node. Unlike\\n * traditional Merkle trees, this proof is executed top-down and consists\\n * of a list of RLP-encoded nodes that make a path down to the target node.\\n * @param _root Known root of the Merkle trie. Used to verify that the\\n * included proof is correctly constructed.\\n * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.\\n */\\n function verifyInclusionProof(\\n bytes memory _key,\\n bytes memory _value,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bool _verified) {\\n bytes memory key = _getSecureKey(_key);\\n return Lib_MerkleTrie.verifyInclusionProof(key, _value, _proof, _root);\\n }\\n\\n /**\\n * @notice Updates a Merkle trie and returns a new root hash.\\n * @param _key Key of the node to update, as a hex string.\\n * @param _value Value of the node to update, as a hex string.\\n * @param _proof Merkle trie inclusion proof for the node *nearest* the\\n * target node. If the key exists, we can simply update the value.\\n * Otherwise, we need to modify the trie to handle the new k/v pair.\\n * @param _root Known root of the Merkle trie. Used to verify that the\\n * included proof is correctly constructed.\\n * @return _updatedRoot Root hash of the newly constructed trie.\\n */\\n function update(\\n bytes memory _key,\\n bytes memory _value,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bytes32 _updatedRoot) {\\n bytes memory key = _getSecureKey(_key);\\n return Lib_MerkleTrie.update(key, _value, _proof, _root);\\n }\\n\\n /**\\n * @notice Retrieves the value associated with a given key.\\n * @param _key Key to search for, as hex bytes.\\n * @param _proof Merkle trie inclusion proof for the key.\\n * @param _root Known root of the Merkle trie.\\n * @return _exists Whether or not the key exists.\\n * @return _value Value of the key if it exists.\\n */\\n function get(\\n bytes memory _key,\\n bytes memory _proof,\\n bytes32 _root\\n ) internal pure returns (bool _exists, bytes memory _value) {\\n bytes memory key = _getSecureKey(_key);\\n return Lib_MerkleTrie.get(key, _proof, _root);\\n }\\n\\n /**\\n * Computes the root hash for a trie with a single node.\\n * @param _key Key for the single node.\\n * @param _value Value for the single node.\\n * @return _updatedRoot Hash of the trie.\\n */\\n function getSingleNodeRootHash(bytes memory _key, bytes memory _value)\\n internal\\n pure\\n returns (bytes32 _updatedRoot)\\n {\\n bytes memory key = _getSecureKey(_key);\\n return Lib_MerkleTrie.getSingleNodeRootHash(key, _value);\\n }\\n\\n /*********************\\n * Private Functions *\\n *********************/\\n\\n /**\\n * Computes the secure counterpart to a key.\\n * @param _key Key to get a secure key from.\\n * @return _secureKey Secure version of the key.\\n */\\n function _getSecureKey(bytes memory _key) private pure returns (bytes memory _secureKey) {\\n return abi.encodePacked(keccak256(_key));\\n }\\n}\\n\",\"keccak256\":\"0x8a5898637aebe30794e954d9749f6d62963e4e387e773bde5b06d0aecdc2ac23\",\"license\":\"MIT\"},\"contracts/libraries/utils/Lib_Bytes32Utils.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_Byte32Utils\\n */\\nlibrary Lib_Bytes32Utils {\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n /**\\n * Converts a bytes32 value to a boolean. Anything non-zero will be converted to \\\"true.\\\"\\n * @param _in Input bytes32 value.\\n * @return Bytes32 as a boolean.\\n */\\n function toBool(bytes32 _in) internal pure returns (bool) {\\n return _in != 0;\\n }\\n\\n /**\\n * Converts a boolean to a bytes32 value.\\n * @param _in Input boolean value.\\n * @return Boolean as a bytes32.\\n */\\n function fromBool(bool _in) internal pure returns (bytes32) {\\n return bytes32(uint256(_in ? 1 : 0));\\n }\\n\\n /**\\n * Converts a bytes32 value to an address. Takes the *last* 20 bytes.\\n * @param _in Input bytes32 value.\\n * @return Bytes32 as an address.\\n */\\n function toAddress(bytes32 _in) internal pure returns (address) {\\n return address(uint160(uint256(_in)));\\n }\\n\\n /**\\n * Converts an address to a bytes32.\\n * @param _in Input address value.\\n * @return Address as a bytes32.\\n */\\n function fromAddress(address _in) internal pure returns (bytes32) {\\n return bytes32(uint256(uint160(_in)));\\n }\\n}\\n\",\"keccak256\":\"0xf2d1a526f2529e51fc2fffccf093c1691e291cbbb6de8a3da7d7f80024a9a234\",\"license\":\"MIT\"},\"contracts/libraries/utils/Lib_BytesUtils.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.8.9;\\n\\n/**\\n * @title Lib_BytesUtils\\n */\\nlibrary Lib_BytesUtils {\\n /**********************\\n * Internal Functions *\\n **********************/\\n\\n function slice(\\n bytes memory _bytes,\\n uint256 _start,\\n uint256 _length\\n ) internal pure returns (bytes memory) {\\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(bytes memory _bytes, uint256 _start) internal pure returns (bytes memory) {\\n if (_start >= _bytes.length) {\\n return bytes(\\\"\\\");\\n }\\n\\n return slice(_bytes, _start, _bytes.length - _start);\\n }\\n\\n function toBytes32(bytes memory _bytes) internal pure returns (bytes32) {\\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(bytes memory _bytes) internal pure returns (uint256) {\\n return uint256(toBytes32(_bytes));\\n }\\n\\n function toNibbles(bytes memory _bytes) internal pure returns (bytes memory) {\\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(bytes memory _bytes) internal pure returns (bytes memory) {\\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(bytes memory _bytes, bytes memory _other) internal pure returns (bool) {\\n return keccak256(_bytes) == keccak256(_other);\\n }\\n}\\n\",\"keccak256\":\"0xc39ee13f97e4ccfbc72a5aac571deb3c1aff882fca2dd18be794d43ac5de0a30\",\"license\":\"MIT\"},\"contracts/standards/AddressAliasHelper.sol\":{\"content\":\"// SPDX-License-Identifier: Apache-2.0\\n\\n/*\\n * Copyright 2019-2021, Offchain Labs, Inc.\\n *\\n * Licensed under the Apache License, Version 2.0 (the \\\"License\\\");\\n * you may not use this file except in compliance with the License.\\n * You may obtain a copy of the License at\\n *\\n * http://www.apache.org/licenses/LICENSE-2.0\\n *\\n * Unless required by applicable law or agreed to in writing, software\\n * distributed under the License is distributed on an \\\"AS IS\\\" BASIS,\\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\\n * See the License for the specific language governing permissions and\\n * limitations under the License.\\n */\\n\\npragma solidity ^0.8.7;\\n\\nlibrary AddressAliasHelper {\\n uint160 constant offset = uint160(0x1111000000000000000000000000000000001111);\\n\\n /// @notice Utility function that converts the address in the L1 that submitted a tx to\\n /// the inbox to the msg.sender viewed in the L2\\n /// @param l1Address the address in the L1 that triggered the tx to L2\\n /// @return l2Address L2 address as viewed in msg.sender\\n function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {\\n unchecked {\\n l2Address = address(uint160(l1Address) + offset);\\n }\\n }\\n\\n /// @notice Utility function that converts the msg.sender viewed in the L2 to the\\n /// address in the L1 that submitted a tx to the inbox\\n /// @param l2Address L2 address as viewed in msg.sender\\n /// @return l1Address the address in the L1 that triggered the tx to L2\\n function undoL1ToL2Alias(address l2Address) internal pure returns (address l1Address) {\\n unchecked {\\n l1Address = address(uint160(l2Address) - offset);\\n }\\n }\\n}\\n\",\"keccak256\":\"0xf330061b0ad081dd4d35a3efaeb3acd0a926c23ebb1ce7115007dac406d61b3f\",\"license\":\"Apache-2.0\"}},\"version\":1}", "bytecode": 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"devdoc": { "details": "The L1 Cross Domain Messenger contract sends messages from L1 to L2, and relays messages from L2 onto L1. In the event that a message sent from L1 to L2 is rejected for exceeding the L2 epoch gas limit, it can be resubmitted via this contract's replay function. Runtime target: EVM", "kind": "dev", "methods": { "allowMessage(bytes32)": { "params": { "_xDomainCalldataHash": "Hash of the message to block." } }, "blockMessage(bytes32)": { "params": { "_xDomainCalldataHash": "Hash of the message to block." } }, "initialize(address)": { "params": { "_libAddressManager": "Address of the Address Manager." } }, "owner()": { "details": "Returns the address of the current owner." }, "paused()": { "details": "Returns true if the contract is paused, and false otherwise." }, "relayMessage(address,address,bytes,uint256,(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]),bytes,bytes))": { "params": { "_message": "Message to send to the target.", "_messageNonce": "Nonce for the provided message.", "_proof": "Inclusion proof for the given message.", "_sender": "Message sender address.", "_target": "Target contract address." } }, "renounceOwnership()": { "details": "Leaves the contract without owner. It will not be possible to call `onlyOwner` functions anymore. Can only be called by the current owner. NOTE: Renouncing ownership will leave the contract without an owner, thereby removing any functionality that is only available to the owner." }, "replayMessage(address,address,bytes,uint256,uint32,uint32)": { "params": { "_message": "Message to send to the target.", "_newGasLimit": "New gas limit to be used for this message.", "_oldGasLimit": "Original gas limit used to send the message.", "_queueIndex": "CTC Queue index for the message to replay.", "_sender": "Original sender address.", "_target": "Target contract address." } }, "resolve(string)": { "params": { "_name": "Name to resolve an address for." }, "returns": { "_0": "Address associated with the given name." } }, "sendMessage(address,bytes,uint32)": { "params": { "_gasLimit": "Gas limit for the provided message.", "_message": "Message to send to the target.", "_target": "Target contract address." } }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } }, "title": "L1CrossDomainMessenger", "version": 1 }, "userdoc": { "kind": "user", "methods": { "allowMessage(bytes32)": { "notice": "Allow a message." }, "blockMessage(bytes32)": { "notice": "Block a message." }, "constructor": { "notice": "This contract is intended to be behind a delegate proxy. We pass the zero address to the address resolver just to satisfy the constructor. We still need to set this value in initialize()." }, "pause()": { "notice": "Pause relaying." }, "relayMessage(address,address,bytes,uint256,(bytes32,(uint256,bytes32,uint256,uint256,bytes),(uint256,bytes32[]),bytes,bytes))": { "notice": "Relays a cross domain message to a contract." }, "replayMessage(address,address,bytes,uint256,uint32,uint32)": { "notice": "Replays a cross domain message to the target messenger." }, "resolve(string)": { "notice": "Resolves the address associated with a given name." }, "sendMessage(address,bytes,uint32)": { "notice": "Sends a cross domain message to the target messenger." } }, "version": 1 }, "storageLayout": { "storage": [ { "astId": 6653, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "libAddressManager", "offset": 0, "slot": "0", "type": "t_contract(Lib_AddressManager)6645" }, { "astId": 130, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "_initialized", "offset": 20, "slot": "0", "type": "t_bool" }, { "astId": 133, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "_initializing", "offset": 21, "slot": "0", "type": "t_bool" }, { "astId": 384, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "__gap", "offset": 0, "slot": "1", "type": "t_array(t_uint256)50_storage" }, { "astId": 10, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "_owner", "offset": 0, "slot": "51", "type": "t_address" }, { "astId": 123, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "__gap", "offset": 0, "slot": "52", "type": "t_array(t_uint256)49_storage" }, { "astId": 191, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "_paused", "offset": 0, "slot": "101", "type": "t_bool" }, { "astId": 282, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "__gap", "offset": 0, "slot": "102", "type": "t_array(t_uint256)49_storage" }, { "astId": 297, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "_status", "offset": 0, "slot": "151", "type": "t_uint256" }, { "astId": 340, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "__gap", "offset": 0, "slot": "152", "type": "t_array(t_uint256)49_storage" }, { "astId": 2289, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "blockedMessages", "offset": 0, "slot": "201", "type": "t_mapping(t_bytes32,t_bool)" }, { "astId": 2293, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "relayedMessages", "offset": 0, "slot": "202", "type": "t_mapping(t_bytes32,t_bool)" }, { "astId": 2297, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "successfulMessages", "offset": 0, "slot": "203", "type": "t_mapping(t_bytes32,t_bool)" }, { "astId": 2301, "contract": "contracts/L1/messaging/L1CrossDomainMessenger.sol:L1CrossDomainMessenger", "label": "xDomainMsgSender", "offset": 0, "slot": "204", "type": "t_address" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_array(t_uint256)49_storage": { "base": "t_uint256", "encoding": "inplace", "label": "uint256[49]", "numberOfBytes": "1568" }, "t_array(t_uint256)50_storage": { "base": "t_uint256", "encoding": "inplace", "label": "uint256[50]", "numberOfBytes": "1600" }, "t_bool": { "encoding": "inplace", "label": "bool", "numberOfBytes": "1" }, "t_bytes32": { "encoding": "inplace", "label": "bytes32", "numberOfBytes": "32" }, "t_contract(Lib_AddressManager)6645": { "encoding": "inplace", "label": "contract Lib_AddressManager", "numberOfBytes": "20" }, "t_mapping(t_bytes32,t_bool)": { "encoding": "mapping", "key": "t_bytes32", "label": "mapping(bytes32 => bool)", "numberOfBytes": "32", "value": "t_bool" }, "t_uint256": { "encoding": "inplace", "label": "uint256", "numberOfBytes": "32" } } } }