{ "address": "0x432defD2b3733e6fEBb1bD4B17Ed85D15b882163", "abi": [ { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "sender", "type": "address" }, { "indexed": false, "internalType": "bytes", "name": "batch", "type": "bytes" }, { "indexed": false, "internalType": "bool", "name": "succeeded", "type": "bool" } ], "name": "BatchDelegated", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "initializer", "type": "address" } ], "name": "Initialized", "type": "event" }, { "inputs": [], "name": "chainId", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "uint256", "name": "nonce", "type": "uint256" }, { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" }, { "internalType": "bytes", "name": "senderSignature", "type": "bytes" } ], "name": "delegateBatch", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "uint256", "name": "nonce", "type": "uint256" }, { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" }, { "internalType": "bytes", "name": "senderSignature", "type": "bytes" } ], "name": "delegateBatchWithGasPrice", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes[]", "name": "batches", "type": "bytes[]" }, { "internalType": "bool", "name": "revertOnFailure", "type": "bool" } ], "name": "delegateBatches", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "externalAccountRegistry", "outputs": [ { "internalType": "contract ExternalAccountRegistry", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" } ], "name": "getAccountNextNonce", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "uint256", "name": "nonce", "type": "uint256" }, { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" } ], "internalType": "struct Gateway.DelegatedBatch", "name": "delegatedBatch", "type": "tuple" } ], "name": "hashDelegatedBatch", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "uint256", "name": "nonce", "type": "uint256" }, { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" }, { "internalType": "uint256", "name": "gasPrice", "type": "uint256" } ], "internalType": "struct Gateway.DelegatedBatchWithGasPrice", "name": "delegatedBatch", "type": "tuple" } ], "name": "hashDelegatedBatchWithGasPrice", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "contract ExternalAccountRegistry", "name": "externalAccountRegistry_", "type": "address" }, { "internalType": "contract PersonalAccountRegistry", "name": "personalAccountRegistry_", "type": "address" } ], "name": "initialize", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "isInitialized", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "personalAccountRegistry", "outputs": [ { "internalType": "contract PersonalAccountRegistry", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" } ], "name": "sendBatch", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "account", "type": "address" }, { "internalType": "address[]", "name": "to", "type": "address[]" }, { "internalType": "bytes[]", "name": "data", "type": "bytes[]" } ], "name": "sendBatchFromAccount", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0xca8335c747f3f57fee8054d7aa416715a392bdc13be312ae45632c899b68e6ca", "receipt": { "to": "0x4e59b44847b379578588920cA78FbF26c0B4956C", "from": "0x53fE9288897e254698175740aa359E19E26c10af", "contractAddress": null, "transactionIndex": 1, "gasUsed": "2080112", "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0xee92aefcd2d07a6bc7a343b6d97ad8cc660164554b5e023fc8f2f5a9e80ac6e9", "transactionHash": "0xca8335c747f3f57fee8054d7aa416715a392bdc13be312ae45632c899b68e6ca", "logs": [], "blockNumber": 7138976, "cumulativeGasUsed": "4947099", "status": 1, "byzantium": true }, "args": [], "solcInputHash": "1bdf84d4bd28700579af1cc4796e2cae", "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"batch\",\"type\":\"bytes\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"succeeded\",\"type\":\"bool\"}],\"name\":\"BatchDelegated\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"initializer\",\"type\":\"address\"}],\"name\":\"Initialized\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"chainId\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"},{\"internalType\":\"bytes\",\"name\":\"senderSignature\",\"type\":\"bytes\"}],\"name\":\"delegateBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"},{\"internalType\":\"bytes\",\"name\":\"senderSignature\",\"type\":\"bytes\"}],\"name\":\"delegateBatchWithGasPrice\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes[]\",\"name\":\"batches\",\"type\":\"bytes[]\"},{\"internalType\":\"bool\",\"name\":\"revertOnFailure\",\"type\":\"bool\"}],\"name\":\"delegateBatches\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"externalAccountRegistry\",\"outputs\":[{\"internalType\":\"contract ExternalAccountRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"getAccountNextNonce\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"}],\"internalType\":\"struct Gateway.DelegatedBatch\",\"name\":\"delegatedBatch\",\"type\":\"tuple\"}],\"name\":\"hashDelegatedBatch\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"},{\"internalType\":\"uint256\",\"name\":\"gasPrice\",\"type\":\"uint256\"}],\"internalType\":\"struct Gateway.DelegatedBatchWithGasPrice\",\"name\":\"delegatedBatch\",\"type\":\"tuple\"}],\"name\":\"hashDelegatedBatchWithGasPrice\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract ExternalAccountRegistry\",\"name\":\"externalAccountRegistry_\",\"type\":\"address\"},{\"internalType\":\"contract PersonalAccountRegistry\",\"name\":\"personalAccountRegistry_\",\"type\":\"address\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"isInitialized\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"personalAccountRegistry\",\"outputs\":[{\"internalType\":\"contract PersonalAccountRegistry\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"}],\"name\":\"sendBatch\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"},{\"internalType\":\"address[]\",\"name\":\"to\",\"type\":\"address[]\"},{\"internalType\":\"bytes[]\",\"name\":\"data\",\"type\":\"bytes[]\"}],\"name\":\"sendBatchFromAccount\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"author\":\"Stanis\\u0142aw G\\u0142ogowski \",\"events\":{\"BatchDelegated(address,bytes,bool)\":{\"details\":\"Emitted when the single batch is delegated\",\"params\":{\"batch\":\"batch\",\"sender\":\"sender address\",\"succeeded\":\"if succeeded\"}}},\"kind\":\"dev\",\"methods\":{\"constructor\":{\"details\":\"Public constructor\"},\"delegateBatch(address,uint256,address[],bytes[],bytes)\":{\"details\":\"Use `hashDelegatedBatch` to create sender message payload. `GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return recovered address from `senderSignature` arg\",\"params\":{\"account\":\"account address\",\"data\":\"array of batch data\",\"nonce\":\"next account nonce\",\"senderSignature\":\"sender signature\",\"to\":\"array of batch recipients contracts\"}},\"delegateBatchWithGasPrice(address,uint256,address[],bytes[],bytes)\":{\"details\":\"Use `hashDelegatedBatchWithGasPrice` to create sender message payload (tx.gasprice as gasPrice) `GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return recovered address from `senderSignature` arg\",\"params\":{\"account\":\"account address\",\"data\":\"array of batch data\",\"nonce\":\"next account nonce\",\"senderSignature\":\"sender signature\",\"to\":\"array of batch recipients contracts\"}},\"delegateBatches(bytes[],bool)\":{\"details\":\"It will revert when all batches fail\",\"params\":{\"batches\":\"array of batches\",\"revertOnFailure\":\"reverts on any error\"}},\"getAccountNextNonce(address)\":{\"params\":{\"account\":\"account address\"},\"returns\":{\"_0\":\"next nonce\"}},\"hashDelegatedBatch((address,uint256,address[],bytes[]))\":{\"params\":{\"delegatedBatch\":\"struct\"},\"returns\":{\"_0\":\"hash\"}},\"hashDelegatedBatchWithGasPrice((address,uint256,address[],bytes[],uint256))\":{\"params\":{\"delegatedBatch\":\"struct\"},\"returns\":{\"_0\":\"hash\"}},\"initialize(address,address)\":{\"params\":{\"externalAccountRegistry_\":\"`ExternalAccountRegistry` contract address\",\"personalAccountRegistry_\":\"`PersonalAccountRegistry` contract address\"}},\"isInitialized()\":{\"returns\":{\"_0\":\"true when contract is initialized\"}},\"sendBatch(address[],bytes[])\":{\"details\":\"`GatewayRecipient` context api: `_getContextAccount` will return `msg.sender` `_getContextSender` will return `msg.sender`\",\"params\":{\"data\":\"array of batch data\",\"to\":\"array of batch recipients contracts\"}},\"sendBatchFromAccount(address,address[],bytes[])\":{\"details\":\"`GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return `msg.sender`\",\"params\":{\"account\":\"account address\",\"data\":\"array of batch data\",\"to\":\"array of batch recipients contracts\"}}},\"title\":\"Gateway\",\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{\"delegateBatch(address,uint256,address[],bytes[],bytes)\":{\"notice\":\"Delegates batch from the account\"},\"delegateBatchWithGasPrice(address,uint256,address[],bytes[],bytes)\":{\"notice\":\"Delegates batch from the account (with gas price)\"},\"delegateBatches(bytes[],bool)\":{\"notice\":\"Delegates multiple batches\"},\"getAccountNextNonce(address)\":{\"notice\":\"Gets next account nonce\"},\"hashDelegatedBatch((address,uint256,address[],bytes[]))\":{\"notice\":\"Hashes `DelegatedBatch` message payload\"},\"hashDelegatedBatchWithGasPrice((address,uint256,address[],bytes[],uint256))\":{\"notice\":\"Hashes `DelegatedBatchWithGasPrice` message payload\"},\"initialize(address,address)\":{\"notice\":\"Initializes `Gateway` contract\"},\"isInitialized()\":{\"notice\":\"Check if contract is initialized\"},\"sendBatch(address[],bytes[])\":{\"notice\":\"Sends batch\"},\"sendBatchFromAccount(address,address[],bytes[])\":{\"notice\":\"Sends batch from the account\"}},\"notice\":\"GSN replacement\",\"version\":1}},\"settings\":{\"compilationTarget\":{\"src/gateway/Gateway.sol\":\"Gateway\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"none\",\"useLiteralContent\":true},\"optimizer\":{\"enabled\":false,\"runs\":200},\"remappings\":[]},\"sources\":{\"src/common/access/Controlled.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Controlled\\n *\\n * @dev Contract module which provides an access control mechanism.\\n * It ensures there is only one controlling account of the smart contract\\n * and grants that account exclusive access to specific functions.\\n *\\n * The controller account will be the one that deploys the contract.\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract Controlled {\\n /**\\n * @return controller account address\\n */\\n address public controller;\\n\\n // modifiers\\n\\n /**\\n * @dev Throws if msg.sender is not the controller\\n */\\n modifier onlyController() {\\n require(\\n msg.sender == controller,\\n \\\"Controlled: msg.sender is not the controller\\\"\\n );\\n\\n _;\\n }\\n\\n /**\\n * @dev Internal constructor\\n */\\n constructor()\\n internal\\n {\\n controller = msg.sender;\\n }\\n}\\n\",\"keccak256\":\"0xdf03a0b7ec644da9925c5c1b6c8a86bb1cc1b9c5018bb265a1a4c5044b877af3\",\"license\":\"MIT\"},\"src/common/access/Guarded.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../libs/ECDSALib.sol\\\";\\n\\n\\n/**\\n * @title Guarded\\n *\\n * @dev Contract module which provides a guardian-type control mechanism.\\n * It allows key accounts to have guardians and restricts specific methods to be accessible by guardians only.\\n *\\n * Each guardian account can remove other guardians\\n *\\n * Use `_initializeGuarded` to initialize the contract\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract Guarded {\\n using ECDSALib for bytes32;\\n\\n mapping(address => bool) private guardians;\\n\\n // events\\n\\n /**\\n * @dev Emitted when a new guardian is added\\n * @param sender sender address\\n * @param guardian guardian address\\n */\\n event GuardianAdded(\\n address sender,\\n address guardian\\n );\\n\\n /**\\n * @dev Emitted when the existing guardian is removed\\n * @param sender sender address\\n * @param guardian guardian address\\n */\\n event GuardianRemoved(\\n address sender,\\n address guardian\\n );\\n\\n // modifiers\\n\\n /**\\n * @dev Throws if tx.origin is not a guardian account\\n */\\n modifier onlyGuardian() {\\n require(\\n // solhint-disable-next-line avoid-tx-origin\\n guardians[tx.origin],\\n \\\"Guarded: tx.origin is not the guardian\\\"\\n );\\n\\n _;\\n }\\n\\n /**\\n * @dev Internal constructor\\n */\\n constructor() internal {}\\n\\n // external functions\\n\\n /**\\n * @notice Adds a new guardian\\n * @param guardian guardian address\\n */\\n function addGuardian(\\n address guardian\\n )\\n external\\n onlyGuardian\\n {\\n _addGuardian(guardian);\\n }\\n\\n /**\\n * @notice Removes the existing guardian\\n * @param guardian guardian address\\n */\\n function removeGuardian(\\n address guardian\\n )\\n external\\n onlyGuardian\\n {\\n require(\\n // solhint-disable-next-line avoid-tx-origin\\n tx.origin != guardian,\\n \\\"Guarded: cannot remove self\\\"\\n );\\n\\n require(\\n guardians[guardian],\\n \\\"Guarded: guardian doesn't exist\\\"\\n );\\n\\n guardians[guardian] = false;\\n\\n emit GuardianRemoved(\\n // solhint-disable-next-line avoid-tx-origin\\n tx.origin,\\n guardian\\n );\\n }\\n\\n // external functions (views)\\n\\n /**\\n * @notice Check if guardian exists\\n * @param guardian guardian address\\n * @return true when guardian exists\\n */\\n function isGuardian(\\n address guardian\\n )\\n external\\n view\\n returns (bool)\\n {\\n return guardians[guardian];\\n }\\n\\n /**\\n * @notice Verifies guardian signature\\n * @param messageHash message hash\\n * @param signature signature\\n * @return true on correct guardian signature\\n */\\n function verifyGuardianSignature(\\n bytes32 messageHash,\\n bytes calldata signature\\n )\\n external\\n view\\n returns (bool)\\n {\\n return _verifyGuardianSignature(\\n messageHash,\\n signature\\n );\\n }\\n\\n // internal functions\\n\\n /**\\n * @notice Initializes `Guarded` contract\\n * @dev If `guardians_` array is empty `tx.origin` is added as guardian account\\n * @param guardians_ array of guardians addresses\\n */\\n function _initializeGuarded(\\n address[] memory guardians_\\n )\\n internal\\n {\\n if (guardians_.length == 0) {\\n // solhint-disable-next-line avoid-tx-origin\\n _addGuardian(tx.origin);\\n } else {\\n uint guardiansLen = guardians_.length;\\n for (uint i = 0; i < guardiansLen; i++) {\\n _addGuardian(guardians_[i]);\\n }\\n }\\n }\\n\\n\\n // internal functions (views)\\n\\n function _verifyGuardianSignature(\\n bytes32 messageHash,\\n bytes memory signature\\n )\\n internal\\n view\\n returns (bool)\\n {\\n address guardian = messageHash.recoverAddress(signature);\\n\\n return guardians[guardian];\\n }\\n\\n // private functions\\n\\n function _addGuardian(\\n address guardian\\n )\\n private\\n {\\n require(\\n guardian != address(0),\\n \\\"Guarded: cannot add 0x0 guardian\\\"\\n );\\n\\n require(\\n !guardians[guardian],\\n \\\"Guarded: guardian already exists\\\"\\n );\\n\\n guardians[guardian] = true;\\n\\n emit GuardianAdded(\\n // solhint-disable-next-line avoid-tx-origin\\n tx.origin,\\n guardian\\n );\\n }\\n}\\n\",\"keccak256\":\"0x4a5f5670041362e87ea267d81c55fc3edc1a78e81f6f17524b13267f91f31458\",\"license\":\"MIT\"},\"src/common/account/Account.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../access/Controlled.sol\\\";\\nimport \\\"./AccountBase.sol\\\";\\n\\n\\n/**\\n * @title Account\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract Account is Controlled, AccountBase {\\n address public implementation;\\n\\n /**\\n * @dev Public constructor\\n * @param registry_ account registry address\\n * @param implementation_ account implementation address\\n */\\n constructor(\\n address registry_,\\n address implementation_\\n )\\n public\\n Controlled()\\n {\\n registry = registry_;\\n implementation = implementation_;\\n }\\n\\n // external functions\\n\\n /**\\n * @notice Payable receive\\n */\\n receive()\\n external\\n payable\\n {\\n //\\n }\\n\\n /**\\n * @notice Fallback\\n */\\n // solhint-disable-next-line payable-fallback\\n fallback()\\n external\\n {\\n if (msg.data.length != 0) {\\n address implementation_ = implementation;\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n let calldedatasize := calldatasize()\\n\\n calldatacopy(0, 0, calldedatasize)\\n\\n let result := delegatecall(gas(), implementation_, 0, calldedatasize, 0, 0)\\n let returneddatasize := returndatasize()\\n\\n returndatacopy(0, 0, returneddatasize)\\n\\n switch result\\n case 0 { revert(0, returneddatasize) }\\n default { return(0, returneddatasize) }\\n }\\n }\\n }\\n\\n /**\\n * @notice Sets implementation\\n * @param implementation_ implementation address\\n */\\n function setImplementation(\\n address implementation_\\n )\\n external\\n onlyController\\n {\\n implementation = implementation_;\\n }\\n\\n /**\\n * @notice Executes transaction\\n * @param to to address\\n * @param value value\\n * @param data data\\n * @return transaction result\\n */\\n function executeTransaction(\\n address to,\\n uint256 value,\\n bytes calldata data\\n )\\n external\\n onlyController\\n returns (bytes memory)\\n {\\n bytes memory result;\\n bool succeeded;\\n\\n // solhint-disable-next-line avoid-call-value, avoid-low-level-calls\\n (succeeded, result) = payable(to).call{value: value}(data);\\n\\n require(\\n succeeded,\\n \\\"Account: transaction reverted\\\"\\n );\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0xe516c999a02a65ee99487d398d0c12589500680a9ca08c852540fb9473d70a26\",\"license\":\"MIT\"},\"src/common/account/AccountBase.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Account base\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract AccountBase {\\n address public registry;\\n}\\n\",\"keccak256\":\"0xcadf29e389f8db823e14f3f92808fd135f07b0135eb4dcf29b89c85941b39862\",\"license\":\"MIT\"},\"src/common/account/AccountController.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"./Account.sol\\\";\\n\\n\\n/**\\n * @title Account controller\\n *\\n * @dev Contract module which provides Account deployment mechanism\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract AccountController {\\n address public accountRegistry;\\n address public accountImplementation;\\n\\n // events\\n\\n /**\\n * @dev Emitted when the account registry is updated\\n * @param accountRegistry account registry address\\n */\\n event AccountRegistryUpdated(\\n address accountRegistry\\n );\\n\\n /**\\n * @dev Emitted when the account implementation is updated\\n * @param accountImplementation account implementation address\\n */\\n event AccountImplementationUpdated(\\n address accountImplementation\\n );\\n\\n /**\\n * @dev Emitted when the account is deployed\\n * @param account account address\\n * @param accountImplementation account implementation address\\n */\\n event AccountDeployed(\\n address account,\\n address accountImplementation\\n );\\n\\n /**\\n * @dev Emitted when the account is upgraded\\n * @param account account address\\n * @param accountImplementation account implementation address\\n */\\n event AccountUpgraded(\\n address account,\\n address accountImplementation\\n );\\n\\n /**\\n * @dev Emitted when the transaction is executed\\n * @param account account address\\n * @param to to address\\n * @param value value\\n * @param data data\\n * @param response response\\n */\\n event AccountTransactionExecuted(\\n address account,\\n address to,\\n uint256 value,\\n bytes data,\\n bytes response\\n );\\n\\n /**\\n * @dev Internal constructor\\n */\\n constructor() internal {}\\n\\n // internal functions\\n\\n /**\\n * @notice Initializes `AccountController` contract\\n * @param accountRegistry_ account registry address\\n * @param accountImplementation_ account implementation address\\n */\\n function _initializeAccountController(\\n address accountRegistry_,\\n address accountImplementation_\\n )\\n internal\\n {\\n _setAccountRegistry(accountRegistry_, false);\\n _setAccountImplementation(accountImplementation_, false);\\n }\\n\\n /**\\n * @notice Sets account registry\\n * @param accountRegistry_ account registry address\\n * @param emitEvent it will emit event when flag is set to true\\n */\\n function _setAccountRegistry(\\n address accountRegistry_,\\n bool emitEvent\\n )\\n internal\\n {\\n require(\\n accountRegistry_ != address(0),\\n \\\"AccountController: cannot set account registry to 0x0\\\"\\n );\\n\\n accountRegistry = accountRegistry_;\\n\\n if (emitEvent) {\\n emit AccountRegistryUpdated(accountRegistry);\\n }\\n }\\n\\n /**\\n * @notice Sets account implementation\\n * @param accountImplementation_ account implementation address\\n * @param emitEvent it will emit event when flag is set to true\\n */\\n function _setAccountImplementation(\\n address accountImplementation_,\\n bool emitEvent\\n )\\n internal\\n {\\n require(\\n accountImplementation_ != address(0),\\n \\\"AccountController: cannot set account Implementation to 0x0\\\"\\n );\\n\\n accountImplementation = accountImplementation_;\\n\\n if (emitEvent) {\\n emit AccountImplementationUpdated(accountImplementation);\\n }\\n }\\n\\n /**\\n * @notice Deploys account\\n * @param salt CREATE2 salt\\n * @param emitEvent it will emit event when flag is set to true\\n * @return account address\\n */\\n function _deployAccount(\\n bytes32 salt,\\n bool emitEvent\\n )\\n internal\\n returns (address)\\n {\\n address account = address(new Account{salt: salt}(\\n accountRegistry,\\n accountImplementation\\n ));\\n\\n if (emitEvent) {\\n emit AccountDeployed(\\n account,\\n accountImplementation\\n );\\n }\\n\\n return account;\\n }\\n\\n /**\\n * @notice Upgrades account\\n * @param account account address\\n * @param emitEvent it will emit event when flag is set to true\\n */\\n function _upgradeAccount(\\n address account,\\n bool emitEvent\\n )\\n internal\\n {\\n require(\\n Account(payable(account)).implementation() != accountImplementation,\\n \\\"AccountController: account already upgraded\\\"\\n );\\n\\n Account(payable(account)).setImplementation(accountImplementation);\\n\\n if (emitEvent) {\\n emit AccountUpgraded(\\n account,\\n accountImplementation\\n );\\n }\\n }\\n\\n /**\\n * @notice Executes transaction from the account\\n * @param account account address\\n * @param to to address\\n * @param value value\\n * @param data data\\n * @param emitEvent it will emit event when flag is set to true\\n * @return transaction result\\n */\\n function _executeAccountTransaction(\\n address account,\\n address to,\\n uint256 value,\\n bytes memory data,\\n bool emitEvent\\n )\\n internal\\n returns (bytes memory)\\n {\\n require(\\n to != address(0),\\n \\\"AccountController: cannot send to 0x0\\\"\\n );\\n\\n require(\\n to != address(this),\\n \\\"AccountController: cannot send to controller\\\"\\n );\\n\\n require(\\n to != account,\\n \\\"AccountController: cannot send to self\\\"\\n );\\n\\n bytes memory response = Account(payable(account)).executeTransaction(\\n to,\\n value,\\n data\\n );\\n\\n if (emitEvent) {\\n emit AccountTransactionExecuted(\\n account,\\n to,\\n value,\\n data,\\n response\\n );\\n }\\n\\n return response;\\n }\\n\\n // internal functions (views)\\n\\n /**\\n * @notice Computes account CREATE2 address\\n * @param salt CREATE2 salt\\n * @return account address\\n */\\n function _computeAccountAddress(\\n bytes32 salt\\n )\\n internal\\n view\\n returns (address)\\n {\\n bytes memory creationCode = abi.encodePacked(\\n type(Account).creationCode,\\n bytes12(0),\\n accountRegistry,\\n bytes12(0),\\n accountImplementation\\n );\\n\\n bytes32 data = keccak256(\\n abi.encodePacked(\\n bytes1(0xff),\\n address(this),\\n salt,\\n keccak256(creationCode)\\n )\\n );\\n\\n return address(uint160(uint256(data)));\\n }\\n}\\n\",\"keccak256\":\"0xe161f1f4f6ea5d3a9810f7c93764d55e473abe1054e6aa68fde791be7d70a26c\",\"license\":\"MIT\"},\"src/common/account/AccountRegistry.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"./Account.sol\\\";\\n\\n\\n/**\\n * @title Account registry\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\nabstract contract AccountRegistry {\\n /**\\n * @notice Verifies account signature\\n * @param account account address\\n * @param messageHash message hash\\n * @param signature signature\\n * @return true if valid\\n */\\n function isValidAccountSignature(\\n address account,\\n bytes32 messageHash,\\n bytes calldata signature\\n )\\n virtual\\n external\\n view\\n returns (bool);\\n\\n /**\\n * @notice Verifies account signature\\n * @param account account address\\n * @param message message\\n * @param signature signature\\n * @return true if valid\\n */\\n function isValidAccountSignature(\\n address account,\\n bytes calldata message,\\n bytes calldata signature\\n )\\n virtual\\n external\\n view\\n returns (bool);\\n}\\n\",\"keccak256\":\"0x2d40245721f5f74219e5cf88713246dbe8b6d5404e941125d3e850b1f127ec34\",\"license\":\"MIT\"},\"src/common/libs/BlockLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Block library\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\nlibrary BlockLib {\\n struct BlockRelated {\\n bool added;\\n uint256 removedAtBlockNumber;\\n }\\n\\n /**\\n * @notice Verifies self struct at current block\\n * @param self self struct\\n * @return true on correct self struct\\n */\\n function verifyAtCurrentBlock(\\n BlockRelated memory self\\n )\\n internal\\n view\\n returns (bool)\\n {\\n return verifyAtBlock(self, block.number);\\n }\\n\\n /**\\n * @notice Verifies self struct at any block\\n * @param self self struct\\n * @return true on correct self struct\\n */\\n function verifyAtAnyBlock(\\n BlockRelated memory self\\n )\\n internal\\n pure\\n returns (bool)\\n {\\n return verifyAtBlock(self, 0);\\n }\\n\\n /**\\n * @notice Verifies self struct at specific block\\n * @param self self struct\\n * @param blockNumber block number to verify\\n * @return true on correct self struct\\n */\\n function verifyAtBlock(\\n BlockRelated memory self,\\n uint256 blockNumber\\n )\\n internal\\n pure\\n returns (bool)\\n {\\n bool result = false;\\n\\n if (self.added) {\\n if (self.removedAtBlockNumber == 0) {\\n result = true;\\n } else if (blockNumber == 0) {\\n result = true;\\n } else {\\n result = self.removedAtBlockNumber > blockNumber;\\n }\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0x9205536bc211f86d1113118a44dddfa7a9b9772a918cf4b1575c982a05472587\",\"license\":\"MIT\"},\"src/common/libs/BytesLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Bytes library\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\nlibrary BytesLib {\\n /**\\n * @notice Converts bytes to address\\n * @param data data\\n * @return address\\n */\\n function toAddress(\\n bytes memory data\\n )\\n internal\\n pure\\n returns (address)\\n {\\n address result;\\n\\n require(\\n data.length == 20,\\n \\\"BytesLib: invalid data length\\\"\\n );\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n result := div(mload(add(data, 0x20)), 0x1000000000000000000000000)\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0x64c84964ea91bfb1f2d859eea6c57fe5b4a6f269951a4adf5f58d306c54c7f76\",\"license\":\"MIT\"},\"src/common/libs/ECDSAExtendedLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"./StringsLib.sol\\\";\\n\\n\\n/**\\n * @title ECDSA extended library\\n */\\nlibrary ECDSAExtendedLib {\\n using StringsLib for uint;\\n\\n function toEthereumSignedMessageHash(\\n bytes memory message\\n )\\n internal\\n pure\\n returns (bytes32)\\n {\\n return keccak256(abi.encodePacked(\\n \\\"\\\\x19Ethereum Signed Message:\\\\n\\\",\\n message.length.toString(),\\n abi.encodePacked(message)\\n ));\\n }\\n}\\n\",\"keccak256\":\"0x83e6056caaba892d91de45324f4d2702ac01695fab2d34c86895d7d288547ba3\",\"license\":\"MIT\"},\"src/common/libs/ECDSALib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title ECDSA library\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/cryptography/ECDSA.sol#L26\\n */\\nlibrary ECDSALib {\\n function recoverAddress(\\n bytes32 messageHash,\\n bytes memory signature\\n )\\n internal\\n pure\\n returns (address)\\n {\\n address result = address(0);\\n\\n if (signature.length == 65) {\\n bytes32 r;\\n bytes32 s;\\n uint8 v;\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n r := mload(add(signature, 0x20))\\n s := mload(add(signature, 0x40))\\n v := byte(0, mload(add(signature, 0x60)))\\n }\\n\\n if (v < 27) {\\n v += 27;\\n }\\n\\n if (v == 27 || v == 28) {\\n result = ecrecover(messageHash, v, r, s);\\n }\\n }\\n\\n return result;\\n }\\n\\n function toEthereumSignedMessageHash(\\n bytes32 messageHash\\n )\\n internal\\n pure\\n returns (bytes32)\\n {\\n return keccak256(abi.encodePacked(\\n \\\"\\\\x19Ethereum Signed Message:\\\\n32\\\",\\n messageHash\\n ));\\n }\\n}\\n\",\"keccak256\":\"0x3b1460d688302eb595268c2af147ab532f29dbced66520e013f48d498eed3cec\",\"license\":\"MIT\"},\"src/common/libs/SafeMathLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Safe math library\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/math/SafeMath.sol\\n */\\nlibrary SafeMathLib {\\n function add(uint256 a, uint256 b) internal pure returns (uint256) {\\n uint256 c = a + b;\\n\\n require(c >= a, \\\"SafeMathLib: addition overflow\\\");\\n\\n return c;\\n }\\n\\n function sub(uint256 a, uint256 b) internal pure returns (uint256) {\\n return sub(a, b, \\\"SafeMathLib: subtraction overflow\\\");\\n }\\n\\n function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b <= a, errorMessage);\\n\\n return a - b;\\n }\\n\\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\\n if (a == 0) {\\n return 0;\\n }\\n\\n uint256 c = a * b;\\n\\n require(c / a == b, \\\"SafeMathLib: multiplication overflow\\\");\\n\\n return c;\\n }\\n\\n function div(uint256 a, uint256 b) internal pure returns (uint256) {\\n return div(a, b, \\\"SafeMathLib: division by zero\\\");\\n }\\n\\n function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b > 0, errorMessage);\\n\\n return a / b;\\n }\\n\\n function mod(uint256 a, uint256 b) internal pure returns (uint256) {\\n return mod(a, b, \\\"SafeMathLib: modulo by zero\\\");\\n }\\n\\n function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\\n require(b != 0, errorMessage);\\n\\n return a % b;\\n }\\n}\\n\",\"keccak256\":\"0x6089f354ca754d9c5dd9e800ee5ed86717dbf8f9af470604e0be691ac57c0107\",\"license\":\"MIT\"},\"src/common/libs/StringsLib.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Strings library\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/utils/Strings.sol#L12\\n */\\nlibrary StringsLib {\\n function toString(\\n uint256 value\\n )\\n internal\\n pure\\n returns (string memory)\\n {\\n if (value == 0) {\\n return \\\"0\\\";\\n }\\n\\n uint256 temp = value;\\n uint256 digits;\\n\\n while (temp != 0) {\\n digits++;\\n temp /= 10;\\n }\\n\\n bytes memory buffer = new bytes(digits);\\n uint256 index = digits - 1;\\n temp = value;\\n\\n while (temp != 0) {\\n buffer[index--] = byte(uint8(48 + temp % 10));\\n temp /= 10;\\n }\\n\\n return string(buffer);\\n }\\n}\\n\",\"keccak256\":\"0x4110150d0c921fd31db34ca33672de8e81c3ae467076149a3a546f804d1f58dd\",\"license\":\"MIT\"},\"src/common/lifecycle/Initializable.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\n/**\\n * @title Initializable\\n *\\n * @dev Contract module which provides access control mechanism, where\\n * there is the initializer account that can be granted exclusive access to\\n * specific functions.\\n *\\n * The initializer account will be tx.origin during contract deployment and will be removed on first use.\\n * Use `onlyInitializer` modifier on contract initialize process.\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract Initializable {\\n address private initializer;\\n\\n // events\\n\\n /**\\n * @dev Emitted after `onlyInitializer`\\n * @param initializer initializer address\\n */\\n event Initialized(\\n address initializer\\n );\\n\\n // modifiers\\n\\n /**\\n * @dev Throws if tx.origin is not the initializer\\n */\\n modifier onlyInitializer() {\\n require(\\n // solhint-disable-next-line avoid-tx-origin\\n tx.origin == initializer,\\n \\\"Initializable: tx.origin is not the initializer\\\"\\n );\\n\\n /// @dev removes initializer\\n initializer = address(0);\\n\\n _;\\n\\n emit Initialized(\\n // solhint-disable-next-line avoid-tx-origin\\n tx.origin\\n );\\n }\\n\\n /**\\n * @dev Internal constructor\\n */\\n constructor()\\n internal\\n {\\n // solhint-disable-next-line avoid-tx-origin\\n initializer = tx.origin;\\n }\\n\\n // external functions (views)\\n\\n /**\\n * @notice Check if contract is initialized\\n * @return true when contract is initialized\\n */\\n function isInitialized()\\n external\\n view\\n returns (bool)\\n {\\n return initializer == address(0);\\n }\\n}\\n\",\"keccak256\":\"0x3d47b2864dde5bde245917f7ac416a9e9715cdf1d226897e49838eb3186ee067\",\"license\":\"MIT\"},\"src/common/signature/SignatureValidator.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../libs/ECDSALib.sol\\\";\\n\\n/**\\n * @title Signature validator\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract SignatureValidator {\\n using ECDSALib for bytes32;\\n\\n uint256 public chainId;\\n\\n /**\\n * @dev internal constructor\\n */\\n constructor() internal {\\n uint256 chainId_;\\n\\n // solhint-disable-next-line no-inline-assembly\\n assembly {\\n chainId_ := chainid()\\n }\\n\\n chainId = chainId_;\\n }\\n\\n // internal functions\\n\\n function _hashMessagePayload(\\n bytes32 messagePrefix,\\n bytes memory messagePayload\\n )\\n internal\\n view\\n returns (bytes32)\\n {\\n return keccak256(abi.encodePacked(\\n chainId,\\n address(this),\\n messagePrefix,\\n messagePayload\\n )).toEthereumSignedMessageHash();\\n }\\n}\\n\",\"keccak256\":\"0xc1168f7ccb74aea67089941dc5e4c1d1c4aa766afca47a90c0b017b8445b8acf\",\"license\":\"MIT\"},\"src/common/token/ERC20Token.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../libs/SafeMathLib.sol\\\";\\n\\n\\n/**\\n * @title ERC20 token\\n *\\n * @dev Based on https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.3.0/contracts/token/ERC20/ERC20.sol\\n */\\ncontract ERC20Token {\\n using SafeMathLib for uint256;\\n\\n string public name;\\n string public symbol;\\n uint8 public decimals;\\n uint256 public totalSupply;\\n\\n mapping(address => uint256) internal balances;\\n mapping(address => mapping(address => uint256)) internal allowances;\\n\\n // events\\n\\n event Transfer(\\n address indexed from,\\n address indexed to,\\n uint256 value\\n );\\n\\n event Approval(\\n address indexed owner,\\n address indexed spender,\\n uint256 value\\n );\\n\\n /**\\n * @dev internal constructor\\n */\\n constructor() internal {}\\n\\n // external functions\\n\\n function transfer(\\n address to,\\n uint256 value\\n )\\n external\\n returns (bool)\\n {\\n _transfer(_getSender(), to, value);\\n\\n return true;\\n }\\n\\n function transferFrom(\\n address from,\\n address to,\\n uint256 value\\n )\\n virtual\\n external\\n returns (bool)\\n {\\n address sender = _getSender();\\n\\n _transfer(from, to, value);\\n _approve(from, sender, allowances[from][sender].sub(value));\\n\\n return true;\\n }\\n\\n function approve(\\n address spender,\\n uint256 value\\n )\\n virtual\\n external\\n returns (bool)\\n {\\n _approve(_getSender(), spender, value);\\n\\n return true;\\n }\\n\\n // external functions (views)\\n\\n function balanceOf(\\n address owner\\n )\\n virtual\\n external\\n view\\n returns (uint256)\\n {\\n return balances[owner];\\n }\\n\\n function allowance(\\n address owner,\\n address spender\\n )\\n virtual\\n external\\n view\\n returns (uint256)\\n {\\n return allowances[owner][spender];\\n }\\n\\n // internal functions\\n\\n function _transfer(\\n address from,\\n address to,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n from != address(0),\\n \\\"ERC20Token: cannot transfer from 0x0 address\\\"\\n );\\n require(\\n to != address(0),\\n \\\"ERC20Token: cannot transfer to 0x0 address\\\"\\n );\\n\\n balances[from] = balances[from].sub(value);\\n balances[to] = balances[to].add(value);\\n\\n emit Transfer(from, to, value);\\n }\\n\\n function _approve(\\n address owner,\\n address spender,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot approve from 0x0 address\\\"\\n );\\n require(\\n spender != address(0),\\n \\\"ERC20Token: cannot approve to 0x0 address\\\"\\n );\\n\\n allowances[owner][spender] = value;\\n\\n emit Approval(owner, spender, value);\\n }\\n\\n function _mint(\\n address owner,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot mint to 0x0 address\\\"\\n );\\n require(\\n value > 0,\\n \\\"ERC20Token: cannot mint 0 value\\\"\\n );\\n\\n balances[owner] = balances[owner].add(value);\\n totalSupply = totalSupply.add(value);\\n\\n emit Transfer(address(0), owner, value);\\n }\\n\\n function _burn(\\n address owner,\\n uint256 value\\n )\\n virtual\\n internal\\n {\\n require(\\n owner != address(0),\\n \\\"ERC20Token: cannot burn from 0x0 address\\\"\\n );\\n\\n balances[owner] = balances[owner].sub(\\n value,\\n \\\"ERC20Token: burn value exceeds balance\\\"\\n );\\n\\n totalSupply = totalSupply.sub(value);\\n\\n emit Transfer(owner, address(0), value);\\n }\\n\\n // internal functions (views)\\n\\n function _getSender()\\n virtual\\n internal\\n view\\n returns (address)\\n {\\n return msg.sender;\\n }\\n}\\n\",\"keccak256\":\"0x6f2b0bd08da549c6c1f5ceee85766832d587dde62c56bebc3a14bd9ea407e03d\",\"license\":\"MIT\"},\"src/external/ExternalAccountRegistry.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../common/libs/BlockLib.sol\\\";\\n\\n\\n/**\\n * @title External account registry\\n *\\n * @notice Global registry for keys and external (outside of the platform) contract based wallets\\n *\\n * @dev An account can call the registry to add (`addAccountOwner`) or remove (`removeAccountOwner`) its own owners.\\n * When the owner has been added, information about that fact will live in the registry forever.\\n * Removing an owner only affects the future blocks (until the owner is re-added).\\n *\\n * Given the fact, there is no way to sign the data using a contract based wallet,\\n * we created a registry to store signed by the key wallet proofs.\\n * ERC-1271 allows removing a signer after the signature was created. Thus store the signature for the later use\\n * doesn't guarantee the signer is still has access to that smart account.\\n * Because of that, the ERC1271's `isValidSignature()` cannot be used in e.g. `PaymentRegistry`.*\\n *\\n * An account can call the registry to add (`addAccountProof`) or remove (`removeAccountProof`) proof hash.\\n * When the proof has been added, information about that fact will live in the registry forever.\\n * Removing a proof only affects the future blocks (until the proof is re-added).\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract ExternalAccountRegistry {\\n using BlockLib for BlockLib.BlockRelated;\\n\\n struct Account {\\n mapping(address => BlockLib.BlockRelated) owners;\\n mapping(bytes32 => BlockLib.BlockRelated) proofs;\\n }\\n\\n mapping(address => Account) private accounts;\\n\\n // events\\n\\n /**\\n * @dev Emitted when the new owner is added\\n * @param account account address\\n * @param owner owner address\\n */\\n event AccountOwnerAdded(\\n address account,\\n address owner\\n );\\n\\n /**\\n * @dev Emitted when the existing owner is removed\\n * @param account account address\\n * @param owner owner address\\n */\\n event AccountOwnerRemoved(\\n address account,\\n address owner\\n );\\n\\n /**\\n * @dev Emitted when the new proof is added\\n * @param account account address\\n * @param hash proof hash\\n */\\n event AccountProofAdded(\\n address account,\\n bytes32 hash\\n );\\n\\n /**\\n * @dev Emitted when the existing proof is removed\\n * @param account account address\\n * @param hash proof hash\\n */\\n event AccountProofRemoved(\\n address account,\\n bytes32 hash\\n );\\n\\n // external functions\\n\\n /**\\n * @notice Adds a new account owner\\n * @param owner owner address\\n */\\n function addAccountOwner(\\n address owner\\n )\\n external\\n {\\n require(\\n owner != address(0),\\n \\\"ExternalAccountRegistry: cannot add 0x0 owner\\\"\\n );\\n\\n require(\\n !accounts[msg.sender].owners[owner].verifyAtCurrentBlock(),\\n \\\"ExternalAccountRegistry: owner already exists\\\"\\n );\\n\\n accounts[msg.sender].owners[owner].added = true;\\n accounts[msg.sender].owners[owner].removedAtBlockNumber = 0;\\n\\n emit AccountOwnerAdded(\\n msg.sender,\\n owner\\n );\\n }\\n\\n /**\\n * @notice Removes existing account owner\\n * @param owner owner address\\n */\\n function removeAccountOwner(\\n address owner\\n )\\n external\\n {\\n require(\\n accounts[msg.sender].owners[owner].verifyAtCurrentBlock(),\\n \\\"ExternalAccountRegistry: owner doesn't exist\\\"\\n );\\n\\n accounts[msg.sender].owners[owner].removedAtBlockNumber = block.number;\\n\\n emit AccountOwnerRemoved(\\n msg.sender,\\n owner\\n );\\n }\\n\\n /**\\n * @notice Adds a new account proof\\n * @param hash proof hash\\n */\\n function addAccountProof(\\n bytes32 hash\\n )\\n external\\n {\\n require(\\n !accounts[msg.sender].proofs[hash].verifyAtCurrentBlock(),\\n \\\"ExternalAccountRegistry: proof already exists\\\"\\n );\\n\\n accounts[msg.sender].proofs[hash].added = true;\\n accounts[msg.sender].proofs[hash].removedAtBlockNumber = 0;\\n\\n emit AccountProofAdded(\\n msg.sender,\\n hash\\n );\\n }\\n\\n /**\\n * @notice Removes existing account proof\\n * @param hash proof hash\\n */\\n function removeAccountProof(\\n bytes32 hash\\n )\\n external\\n {\\n require(\\n accounts[msg.sender].proofs[hash].verifyAtCurrentBlock(),\\n \\\"ExternalAccountRegistry: proof doesn't exist\\\"\\n );\\n\\n accounts[msg.sender].proofs[hash].removedAtBlockNumber = block.number;\\n\\n emit AccountProofRemoved(\\n msg.sender,\\n hash\\n );\\n }\\n\\n // external functions (views)\\n\\n /**\\n * @notice Verifies the owner of the account at current block\\n * @param account account address\\n * @param owner owner address\\n * @return true on correct account owner\\n */\\n function verifyAccountOwner(\\n address account,\\n address owner\\n )\\n external\\n view\\n returns (bool)\\n {\\n return accounts[account].owners[owner].verifyAtCurrentBlock();\\n }\\n\\n /**\\n * @notice Verifies the owner of the account at specific block\\n * @param account account address\\n * @param owner owner address\\n * @param blockNumber block number to verify\\n * @return true on correct account owner\\n */\\n function verifyAccountOwnerAtBlock(\\n address account,\\n address owner,\\n uint256 blockNumber\\n )\\n external\\n view\\n returns (bool)\\n {\\n return accounts[account].owners[owner].verifyAtBlock(blockNumber);\\n }\\n\\n /**\\n * @notice Verifies the proof of the account at current block\\n * @param account account address\\n * @param hash proof hash\\n * @return true on correct account proof\\n */\\n function verifyAccountProof(\\n address account,\\n bytes32 hash\\n )\\n external\\n view\\n returns (bool)\\n {\\n return accounts[account].proofs[hash].verifyAtCurrentBlock();\\n }\\n\\n /**\\n * @notice Verifies the proof of the account at specific block\\n * @param account account address\\n * @param hash proof hash\\n * @param blockNumber block number to verify\\n * @return true on correct account proof\\n */\\n function verifyAccountProofAtBlock(\\n address account,\\n bytes32 hash,\\n uint256 blockNumber\\n )\\n external\\n view\\n returns (bool)\\n {\\n return accounts[account].proofs[hash].verifyAtBlock(blockNumber);\\n }\\n}\\n\",\"keccak256\":\"0x8067b1fae41b73949f8d871a835533cbdd94b9ca3faa93b91f595c37e632ccdb\",\"license\":\"MIT\"},\"src/gateway/Gateway.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\npragma experimental ABIEncoderV2;\\n\\nimport \\\"../common/libs/ECDSALib.sol\\\";\\nimport \\\"../common/libs/SafeMathLib.sol\\\";\\nimport \\\"../common/lifecycle/Initializable.sol\\\";\\nimport \\\"../common/signature/SignatureValidator.sol\\\";\\nimport \\\"../external/ExternalAccountRegistry.sol\\\";\\nimport \\\"../personal/PersonalAccountRegistry.sol\\\";\\n\\n\\n/**\\n * @title Gateway\\n *\\n * @notice GSN replacement\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract Gateway is Initializable, SignatureValidator {\\n using ECDSALib for bytes32;\\n using SafeMathLib for uint256;\\n\\n struct DelegatedBatch {\\n address account;\\n uint256 nonce;\\n address[] to;\\n bytes[] data;\\n }\\n\\n struct DelegatedBatchWithGasPrice {\\n address account;\\n uint256 nonce;\\n address[] to;\\n bytes[] data;\\n uint256 gasPrice;\\n }\\n\\n bytes32 private constant HASH_PREFIX_DELEGATED_BATCH = keccak256(\\n \\\"DelegatedBatch(address account,uint256 nonce,address[] to,bytes[] data)\\\"\\n );\\n\\n bytes32 private constant HASH_PREFIX_DELEGATED_BATCH_WITH_GAS_PRICE = keccak256(\\n \\\"DelegatedBatchWithGasPrice(address account,uint256 nonce,address[] to,bytes[] data,uint256 gasPrice)\\\"\\n );\\n\\n ExternalAccountRegistry public externalAccountRegistry;\\n PersonalAccountRegistry public personalAccountRegistry;\\n\\n mapping(address => uint256) private accountNonce;\\n\\n // events\\n\\n /**\\n * @dev Emitted when the single batch is delegated\\n * @param sender sender address\\n * @param batch batch\\n * @param succeeded if succeeded\\n */\\n event BatchDelegated(\\n address sender,\\n bytes batch,\\n bool succeeded\\n );\\n\\n /**\\n * @dev Public constructor\\n */\\n constructor() public Initializable() SignatureValidator() {}\\n\\n // external functions\\n\\n /**\\n * @notice Initializes `Gateway` contract\\n * @param externalAccountRegistry_ `ExternalAccountRegistry` contract address\\n * @param personalAccountRegistry_ `PersonalAccountRegistry` contract address\\n */\\n function initialize(\\n ExternalAccountRegistry externalAccountRegistry_,\\n PersonalAccountRegistry personalAccountRegistry_\\n )\\n external\\n onlyInitializer\\n {\\n externalAccountRegistry = externalAccountRegistry_;\\n personalAccountRegistry = personalAccountRegistry_;\\n }\\n\\n // public functions\\n\\n /**\\n * @notice Sends batch\\n * @dev `GatewayRecipient` context api:\\n * `_getContextAccount` will return `msg.sender`\\n * `_getContextSender` will return `msg.sender`\\n *\\n * @param to array of batch recipients contracts\\n * @param data array of batch data\\n */\\n function sendBatch(\\n address[] memory to,\\n bytes[] memory data\\n )\\n public\\n {\\n _sendBatch(\\n msg.sender,\\n msg.sender,\\n to,\\n data\\n );\\n }\\n\\n /**\\n * @notice Sends batch from the account\\n * @dev `GatewayRecipient` context api:\\n * `_getContextAccount` will return `account` arg\\n * `_getContextSender` will return `msg.sender`\\n *\\n * @param account account address\\n * @param to array of batch recipients contracts\\n * @param data array of batch data\\n */\\n function sendBatchFromAccount(\\n address account,\\n address[] memory to,\\n bytes[] memory data\\n )\\n public\\n {\\n _sendBatch(\\n account,\\n msg.sender,\\n to,\\n data\\n );\\n }\\n\\n /**\\n * @notice Delegates batch from the account\\n * @dev Use `hashDelegatedBatch` to create sender message payload.\\n *\\n * `GatewayRecipient` context api:\\n * `_getContextAccount` will return `account` arg\\n * `_getContextSender` will return recovered address from `senderSignature` arg\\n *\\n * @param account account address\\n * @param nonce next account nonce\\n * @param to array of batch recipients contracts\\n * @param data array of batch data\\n * @param senderSignature sender signature\\n */\\n function delegateBatch(\\n address account,\\n uint256 nonce,\\n address[] memory to,\\n bytes[] memory data,\\n bytes memory senderSignature\\n )\\n public\\n {\\n require(\\n nonce > accountNonce[account],\\n \\\"Gateway: nonce is lower than current account nonce\\\"\\n );\\n\\n address sender = _hashDelegatedBatch(\\n account,\\n nonce,\\n to,\\n data\\n ).recoverAddress(senderSignature);\\n\\n accountNonce[account] = nonce;\\n\\n _sendBatch(\\n account,\\n sender,\\n to,\\n data\\n );\\n }\\n\\n /**\\n * @notice Delegates batch from the account (with gas price)\\n *\\n * @dev Use `hashDelegatedBatchWithGasPrice` to create sender message payload (tx.gasprice as gasPrice)\\n *\\n * `GatewayRecipient` context api:\\n * `_getContextAccount` will return `account` arg\\n * `_getContextSender` will return recovered address from `senderSignature` arg\\n *\\n * @param account account address\\n * @param nonce next account nonce\\n * @param to array of batch recipients contracts\\n * @param data array of batch data\\n * @param senderSignature sender signature\\n */\\n function delegateBatchWithGasPrice(\\n address account,\\n uint256 nonce,\\n address[] memory to,\\n bytes[] memory data,\\n bytes memory senderSignature\\n )\\n public\\n {\\n require(\\n nonce > accountNonce[account],\\n \\\"Gateway: nonce is lower than current account nonce\\\"\\n );\\n\\n address sender = _hashDelegatedBatchWithGasPrice(\\n account,\\n nonce,\\n to,\\n data,\\n tx.gasprice\\n ).recoverAddress(senderSignature);\\n\\n accountNonce[account] = nonce;\\n\\n _sendBatch(\\n account,\\n sender,\\n to,\\n data\\n );\\n }\\n\\n /**\\n * @notice Delegates multiple batches\\n * @dev It will revert when all batches fail\\n * @param batches array of batches\\n * @param revertOnFailure reverts on any error\\n */\\n function delegateBatches(\\n bytes[] memory batches,\\n bool revertOnFailure\\n )\\n public\\n {\\n require(\\n batches.length > 0,\\n \\\"Gateway: cannot delegate empty batches\\\"\\n );\\n\\n bool anySucceeded;\\n\\n for (uint256 i = 0; i < batches.length; i++) {\\n // solhint-disable-next-line avoid-low-level-calls\\n (bool succeeded,) = address(this).call(batches[i]);\\n\\n if (revertOnFailure) {\\n require(\\n succeeded,\\n \\\"Gateway: batch reverted\\\"\\n );\\n } else if (succeeded && !anySucceeded) {\\n anySucceeded = true;\\n }\\n\\n emit BatchDelegated(\\n msg.sender,\\n batches[i],\\n succeeded\\n );\\n }\\n\\n if (!anySucceeded) {\\n revert(\\\"Gateway: all batches reverted\\\");\\n }\\n }\\n\\n // public functions (views)\\n\\n /**\\n * @notice Hashes `DelegatedBatch` message payload\\n * @param delegatedBatch struct\\n * @return hash\\n */\\n function hashDelegatedBatch(\\n DelegatedBatch memory delegatedBatch\\n )\\n public\\n view\\n returns (bytes32)\\n {\\n return _hashDelegatedBatch(\\n delegatedBatch.account,\\n delegatedBatch.nonce,\\n delegatedBatch.to,\\n delegatedBatch.data\\n );\\n }\\n\\n /**\\n * @notice Hashes `DelegatedBatchWithGasPrice` message payload\\n * @param delegatedBatch struct\\n * @return hash\\n */\\n function hashDelegatedBatchWithGasPrice(\\n DelegatedBatchWithGasPrice memory delegatedBatch\\n )\\n public\\n view\\n returns (bytes32)\\n {\\n return _hashDelegatedBatchWithGasPrice(\\n delegatedBatch.account,\\n delegatedBatch.nonce,\\n delegatedBatch.to,\\n delegatedBatch.data,\\n delegatedBatch.gasPrice\\n );\\n }\\n\\n // external functions (views)\\n\\n /**\\n * @notice Gets next account nonce\\n * @param account account address\\n * @return next nonce\\n */\\n function getAccountNextNonce(\\n address account\\n )\\n external\\n view\\n returns (uint256)\\n {\\n return accountNonce[account].add(1);\\n }\\n\\n // private functions\\n\\n function _sendBatch(\\n address account,\\n address sender,\\n address[] memory to,\\n bytes[] memory data\\n )\\n private\\n {\\n require(\\n account != address(0),\\n \\\"Gateway: cannot send from 0x0 account\\\"\\n );\\n require(\\n to.length > 0,\\n \\\"Gateway: cannot send empty batch\\\"\\n );\\n require(\\n data.length == to.length,\\n \\\"Gateway: invalid batch\\\"\\n );\\n\\n if (account != sender) {\\n require(\\n personalAccountRegistry.verifyAccountOwner(account, sender) ||\\n externalAccountRegistry.verifyAccountOwner(account, sender),\\n \\\"Gateway: sender is not the account owner\\\"\\n );\\n }\\n\\n bool succeeded;\\n\\n for (uint256 i = 0; i < data.length; i++) {\\n require(\\n to[i] != address(0),\\n \\\"Gateway: cannot send to 0x0\\\"\\n );\\n\\n // solhint-disable-next-line avoid-low-level-calls\\n (succeeded,) = to[i].call(abi.encodePacked(data[i], account, sender));\\n\\n require(\\n succeeded,\\n \\\"Gateway: batch transaction reverted\\\"\\n );\\n }\\n }\\n\\n // private functions (views)\\n\\n function _hashDelegatedBatch(\\n address account,\\n uint256 nonce,\\n address[] memory to,\\n bytes[] memory data\\n )\\n private\\n view\\n returns (bytes32)\\n {\\n return _hashMessagePayload(HASH_PREFIX_DELEGATED_BATCH, abi.encodePacked(\\n account,\\n nonce,\\n to,\\n _concatBytes(data)\\n ));\\n }\\n\\n function _hashDelegatedBatchWithGasPrice(\\n address account,\\n uint256 nonce,\\n address[] memory to,\\n bytes[] memory data,\\n uint256 gasPrice\\n )\\n private\\n view\\n returns (bytes32)\\n {\\n return _hashMessagePayload(HASH_PREFIX_DELEGATED_BATCH_WITH_GAS_PRICE, abi.encodePacked(\\n account,\\n nonce,\\n to,\\n _concatBytes(data),\\n gasPrice\\n ));\\n }\\n\\n// private functions (pure)\\n\\n function _concatBytes(bytes[] memory data)\\n private\\n pure\\n returns (bytes memory)\\n {\\n bytes memory result;\\n uint dataLen = data.length;\\n\\n for (uint i = 0 ; i < dataLen ; i++) {\\n result = abi.encodePacked(result, data[i]);\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0x666f10ebf96aef0a37607852871a6e1d816a271558b1dce43dda74fc73274ae4\",\"license\":\"MIT\"},\"src/gateway/GatewayRecipient.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../common/libs/BytesLib.sol\\\";\\n\\n\\n/**\\n * @title Gateway recipient\\n *\\n * @notice Gateway target contract\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract GatewayRecipient {\\n using BytesLib for bytes;\\n\\n address public gateway;\\n\\n /**\\n * @dev internal constructor\\n */\\n constructor() internal {}\\n\\n // internal functions\\n\\n /**\\n * @notice Initializes `GatewayRecipient` contract\\n * @param gateway_ `Gateway` contract address\\n */\\n function _initializeGatewayRecipient(\\n address gateway_\\n )\\n internal\\n {\\n gateway = gateway_;\\n }\\n\\n // internal functions (views)\\n\\n /**\\n * @notice Gets gateway context account\\n * @return context account address\\n */\\n function _getContextAccount()\\n internal\\n view\\n returns (address)\\n {\\n return _getContextAddress(40);\\n }\\n\\n /**\\n * @notice Gets gateway context sender\\n * @return context sender address\\n */\\n function _getContextSender()\\n internal\\n view\\n returns (address)\\n {\\n return _getContextAddress(20);\\n }\\n\\n /**\\n * @notice Gets gateway context data\\n * @return context data\\n */\\n function _getContextData()\\n internal\\n view\\n returns (bytes calldata)\\n {\\n bytes calldata result;\\n\\n if (_isGatewaySender()) {\\n result = msg.data[:msg.data.length - 40];\\n } else {\\n result = msg.data;\\n }\\n\\n return result;\\n }\\n\\n // private functions (views)\\n\\n function _getContextAddress(\\n uint256 offset\\n )\\n private\\n view\\n returns (address)\\n {\\n address result = address(0);\\n\\n if (_isGatewaySender()) {\\n uint from = msg.data.length - offset;\\n result = bytes(msg.data[from:from + 20]).toAddress();\\n } else {\\n result = msg.sender;\\n }\\n\\n return result;\\n }\\n\\n function _isGatewaySender()\\n private\\n view\\n returns (bool)\\n {\\n bool result;\\n\\n if (msg.sender == gateway) {\\n require(\\n msg.data.length >= 44,\\n \\\"GatewayRecipient: invalid msg.data\\\"\\n );\\n\\n result = true;\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0xe3fd29479d748d67360c61a9cbaafc66eaca25f476e59a45e842472bcf5233fc\",\"license\":\"MIT\"},\"src/personal/PersonalAccountRegistry.sol\":{\"content\":\"// SPDX-License-Identifier: MIT\\npragma solidity ^0.6.12;\\n\\nimport \\\"../common/access/Guarded.sol\\\";\\nimport \\\"../common/account/AccountController.sol\\\";\\nimport \\\"../common/account/AccountRegistry.sol\\\";\\nimport \\\"../common/libs/BlockLib.sol\\\";\\nimport \\\"../common/libs/ECDSALib.sol\\\";\\nimport \\\"../common/libs/ECDSAExtendedLib.sol\\\";\\nimport \\\"../common/libs/SafeMathLib.sol\\\";\\nimport \\\"../common/lifecycle/Initializable.sol\\\";\\nimport \\\"../common/token/ERC20Token.sol\\\";\\nimport \\\"../gateway/GatewayRecipient.sol\\\";\\n\\n\\n/**\\n * @title Personal account registry\\n *\\n * @notice A registry for personal (controlled by owners) accounts\\n *\\n * @author Stanis\\u0142aw G\\u0142ogowski \\n */\\ncontract PersonalAccountRegistry is Guarded, AccountController, AccountRegistry, Initializable, GatewayRecipient {\\n using BlockLib for BlockLib.BlockRelated;\\n using SafeMathLib for uint256;\\n using ECDSALib for bytes32;\\n using ECDSAExtendedLib for bytes;\\n\\n struct Account {\\n bool deployed;\\n bytes32 salt;\\n mapping(address => BlockLib.BlockRelated) owners;\\n }\\n\\n mapping(address => Account) private accounts;\\n\\n // events\\n\\n /**\\n * @dev Emitted when the new owner is added\\n * @param account account address\\n * @param owner owner address\\n */\\n event AccountOwnerAdded(\\n address account,\\n address owner\\n );\\n\\n /**\\n * @dev Emitted when the existing owner is removed\\n * @param account account address\\n * @param owner owner address\\n */\\n event AccountOwnerRemoved(\\n address account,\\n address owner\\n );\\n\\n /**\\n * @dev Emitted when the call is refunded\\n * @param account account address\\n * @param beneficiary beneficiary address\\n * @param token token address\\n * @param value value\\n */\\n event AccountCallRefunded(\\n address account,\\n address beneficiary,\\n address token,\\n uint256 value\\n );\\n\\n /**\\n * @dev Public constructor\\n */\\n constructor() public Initializable() {}\\n\\n // external functions\\n\\n /**\\n * @notice Initializes `PersonalAccountRegistry` contract\\n * @param guardians_ array of guardians addresses\\n * @param accountImplementation_ account implementation address\\n * @param gateway_ `Gateway` contract address\\n */\\n function initialize(\\n address[] calldata guardians_,\\n address accountImplementation_,\\n address gateway_\\n )\\n external\\n onlyInitializer\\n {\\n // Guarded\\n _initializeGuarded(guardians_);\\n\\n // AccountController\\n _initializeAccountController(address(this), accountImplementation_);\\n\\n // GatewayRecipient\\n _initializeGatewayRecipient(gateway_);\\n }\\n\\n /**\\n * @notice Upgrades `PersonalAccountRegistry` contract\\n * @param accountImplementation_ account implementation address\\n */\\n function upgrade(\\n address accountImplementation_\\n )\\n external\\n onlyGuardian\\n {\\n _setAccountImplementation(accountImplementation_, true);\\n }\\n\\n /**\\n * @notice Deploys account\\n * @param account account address\\n */\\n function deployAccount(\\n address account\\n )\\n external\\n {\\n _verifySender(account);\\n _deployAccount(account);\\n }\\n\\n /**\\n * @notice Upgrades account\\n * @param account account address\\n */\\n function upgradeAccount(\\n address account\\n )\\n external\\n {\\n _verifySender(account);\\n _upgradeAccount(account, true);\\n }\\n\\n /**\\n * @notice Adds a new account owner\\n * @param account account address\\n * @param owner owner address\\n */\\n function addAccountOwner(\\n address account,\\n address owner\\n )\\n external\\n {\\n _verifySender(account);\\n\\n require(\\n owner != address(0),\\n \\\"PersonalAccountRegistry: cannot add 0x0 owner\\\"\\n );\\n\\n require(\\n !accounts[account].owners[owner].verifyAtCurrentBlock(),\\n \\\"PersonalAccountRegistry: owner already exists\\\"\\n );\\n\\n accounts[account].owners[owner].added = true;\\n accounts[account].owners[owner].removedAtBlockNumber = 0;\\n\\n emit AccountOwnerAdded(\\n account,\\n owner\\n );\\n }\\n\\n /**\\n * @notice Removes the existing account owner\\n * @param account account address\\n * @param owner owner address\\n */\\n function removeAccountOwner(\\n address account,\\n address owner\\n )\\n external\\n {\\n address sender = _verifySender(account);\\n\\n require(\\n owner != sender,\\n \\\"PersonalAccountRegistry: cannot remove self\\\"\\n );\\n\\n require(\\n accounts[account].owners[owner].verifyAtCurrentBlock(),\\n \\\"PersonalAccountRegistry: owner doesn't exist\\\"\\n );\\n\\n accounts[account].owners[owner].removedAtBlockNumber = block.number;\\n\\n emit AccountOwnerRemoved(\\n account,\\n owner\\n );\\n }\\n\\n /**\\n * @notice Executes account transaction\\n * @dev Deploys an account if not deployed yet\\n * @param account account address\\n * @param to to address\\n * @param value value\\n * @param data data\\n */\\n function executeAccountTransaction(\\n address account,\\n address to,\\n uint256 value,\\n bytes calldata data\\n )\\n external\\n {\\n _verifySender(account);\\n\\n _deployAccount(account);\\n\\n _executeAccountTransaction(\\n account,\\n to,\\n value,\\n data,\\n true\\n );\\n }\\n\\n /**\\n * @notice Refunds account call\\n * @dev Deploys an account if not deployed yet\\n * @param account account address\\n * @param token token address\\n * @param value value\\n */\\n function refundAccountCall(\\n address account,\\n address token,\\n uint256 value\\n )\\n external\\n {\\n _verifySender(account);\\n\\n _deployAccount(account);\\n\\n /* solhint-disable avoid-tx-origin */\\n\\n if (token == address(0)) {\\n _executeAccountTransaction(\\n account,\\n tx.origin,\\n value,\\n new bytes(0),\\n false\\n );\\n } else {\\n bytes memory response = _executeAccountTransaction(\\n account,\\n token,\\n 0,\\n abi.encodeWithSelector(\\n ERC20Token(token).transfer.selector,\\n tx.origin,\\n value\\n ),\\n false\\n );\\n\\n if (response.length > 0) {\\n require(\\n abi.decode(response, (bool)),\\n \\\"PersonalAccountRegistry: ERC20Token transfer reverted\\\"\\n );\\n }\\n }\\n\\n emit AccountCallRefunded(\\n account,\\n tx.origin,\\n token,\\n value\\n );\\n\\n /* solhint-enable avoid-tx-origin */\\n }\\n\\n // external functions (views)\\n\\n /**\\n * @notice Computes account address\\n * @param saltOwner salt owner address\\n * @return account address\\n */\\n function computeAccountAddress(\\n address saltOwner\\n )\\n external\\n view\\n returns (address)\\n {\\n return _computeAccountAddress(saltOwner);\\n }\\n\\n /**\\n * @notice Checks if account is deployed\\n * @param account account address\\n * @return true when account is deployed\\n */\\n function isAccountDeployed(\\n address account\\n )\\n external\\n view\\n returns (bool)\\n {\\n return accounts[account].deployed;\\n }\\n\\n /**\\n * @notice Verifies the owner of the account at the current block\\n * @param account account address\\n * @param owner owner address\\n * @return true on correct account owner\\n */\\n function verifyAccountOwner(\\n address account,\\n address owner\\n )\\n external\\n view\\n returns (bool)\\n {\\n return _verifyAccountOwner(account, owner);\\n }\\n\\n /**\\n * @notice Verifies the owner of the account at a specific block\\n * @param account account address\\n * @param owner owner address\\n * @param blockNumber block number to verify\\n * @return true on correct account owner\\n */\\n function verifyAccountOwnerAtBlock(\\n address account,\\n address owner,\\n uint256 blockNumber\\n )\\n external\\n view\\n returns (bool)\\n {\\n bool result = false;\\n\\n if (_verifyAccountOwner(account, owner)) {\\n result = true;\\n } else {\\n result = accounts[account].owners[owner].verifyAtBlock(blockNumber);\\n }\\n\\n return result;\\n }\\n\\n /**\\n * @notice Verifies account signature\\n * @param account account address\\n * @param messageHash message hash\\n * @param signature signature\\n * @return magic hash if valid\\n */\\n function isValidAccountSignature(\\n address account,\\n bytes32 messageHash,\\n bytes calldata signature\\n )\\n override\\n external\\n view\\n returns (bool)\\n {\\n return _verifyAccountOwner(\\n account,\\n messageHash.recoverAddress(signature)\\n );\\n }\\n\\n /**\\n * @notice Verifies account signature\\n * @param account account address\\n * @param message message\\n * @param signature signature\\n * @return magic hash if valid\\n */\\n function isValidAccountSignature(\\n address account,\\n bytes calldata message,\\n bytes calldata signature\\n )\\n override\\n external\\n view\\n returns (bool)\\n {\\n return _verifyAccountOwner(\\n account,\\n message.toEthereumSignedMessageHash().recoverAddress(signature)\\n );\\n }\\n\\n // private functions\\n\\n function _verifySender(\\n address account\\n )\\n private\\n returns (address)\\n {\\n address sender = _getContextSender();\\n\\n if (accounts[account].owners[sender].added) {\\n require(\\n accounts[account].owners[sender].removedAtBlockNumber == 0,\\n \\\"PersonalAccountRegistry: sender is not the account owner\\\"\\n );\\n } else {\\n require(\\n accounts[account].salt == 0,\\n \\\"PersonalAccountRegistry: sender is not the account owner\\\"\\n );\\n\\n bytes32 salt = keccak256(\\n abi.encodePacked(sender)\\n );\\n\\n require(\\n account == _computeAccountAddress(salt),\\n \\\"PersonalAccountRegistry: sender is not the account owner\\\"\\n );\\n\\n accounts[account].salt = salt;\\n accounts[account].owners[sender].added = true;\\n\\n emit AccountOwnerAdded(\\n account,\\n sender\\n );\\n }\\n\\n return sender;\\n }\\n\\n function _deployAccount(\\n address account\\n )\\n internal\\n {\\n if (!accounts[account].deployed) {\\n _deployAccount(\\n accounts[account].salt,\\n true\\n );\\n\\n accounts[account].deployed = true;\\n }\\n }\\n\\n // private functions (views)\\n\\n function _computeAccountAddress(\\n address saltOwner\\n )\\n private\\n view\\n returns (address)\\n {\\n bytes32 salt = keccak256(\\n abi.encodePacked(saltOwner)\\n );\\n\\n return _computeAccountAddress(salt);\\n }\\n\\n function _verifyAccountOwner(\\n address account,\\n address owner\\n )\\n private\\n view\\n returns (bool)\\n {\\n bool result;\\n\\n if (accounts[account].owners[owner].added) {\\n result = accounts[account].owners[owner].removedAtBlockNumber == 0;\\n } else if (accounts[account].salt == 0) {\\n result = account == _computeAccountAddress(owner);\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0xdae162610e707ab8c394b3edf924b75ef1f315520935cb88f4280b29eeaf4b61\",\"license\":\"MIT\"}},\"version\":1}", "bytecode": 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"devdoc": { "author": "Stanisław Głogowski ", "events": { "BatchDelegated(address,bytes,bool)": { "details": "Emitted when the single batch is delegated", "params": { "batch": "batch", "sender": "sender address", "succeeded": "if succeeded" } } }, "kind": "dev", "methods": { "constructor": { "details": "Public constructor" }, "delegateBatch(address,uint256,address[],bytes[],bytes)": { "details": "Use `hashDelegatedBatch` to create sender message payload. `GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return recovered address from `senderSignature` arg", "params": { "account": "account address", "data": "array of batch data", "nonce": "next account nonce", "senderSignature": "sender signature", "to": "array of batch recipients contracts" } }, "delegateBatchWithGasPrice(address,uint256,address[],bytes[],bytes)": { "details": "Use `hashDelegatedBatchWithGasPrice` to create sender message payload (tx.gasprice as gasPrice) `GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return recovered address from `senderSignature` arg", "params": { "account": "account address", "data": "array of batch data", "nonce": "next account nonce", "senderSignature": "sender signature", "to": "array of batch recipients contracts" } }, "delegateBatches(bytes[],bool)": { "details": "It will revert when all batches fail", "params": { "batches": "array of batches", "revertOnFailure": "reverts on any error" } }, "getAccountNextNonce(address)": { "params": { "account": "account address" }, "returns": { "_0": "next nonce" } }, "hashDelegatedBatch((address,uint256,address[],bytes[]))": { "params": { "delegatedBatch": "struct" }, "returns": { "_0": "hash" } }, "hashDelegatedBatchWithGasPrice((address,uint256,address[],bytes[],uint256))": { "params": { "delegatedBatch": "struct" }, "returns": { "_0": "hash" } }, "initialize(address,address)": { "params": { "externalAccountRegistry_": "`ExternalAccountRegistry` contract address", "personalAccountRegistry_": "`PersonalAccountRegistry` contract address" } }, "isInitialized()": { "returns": { "_0": "true when contract is initialized" } }, "sendBatch(address[],bytes[])": { "details": "`GatewayRecipient` context api: `_getContextAccount` will return `msg.sender` `_getContextSender` will return `msg.sender`", "params": { "data": "array of batch data", "to": "array of batch recipients contracts" } }, "sendBatchFromAccount(address,address[],bytes[])": { "details": "`GatewayRecipient` context api: `_getContextAccount` will return `account` arg `_getContextSender` will return `msg.sender`", "params": { "account": "account address", "data": "array of batch data", "to": "array of batch recipients contracts" } } }, "title": "Gateway", "version": 1 }, "userdoc": { "kind": "user", "methods": { "delegateBatch(address,uint256,address[],bytes[],bytes)": { "notice": "Delegates batch from the account" }, "delegateBatchWithGasPrice(address,uint256,address[],bytes[],bytes)": { "notice": "Delegates batch from the account (with gas price)" }, "delegateBatches(bytes[],bool)": { "notice": "Delegates multiple batches" }, "getAccountNextNonce(address)": { "notice": "Gets next account nonce" }, "hashDelegatedBatch((address,uint256,address[],bytes[]))": { "notice": "Hashes `DelegatedBatch` message payload" }, "hashDelegatedBatchWithGasPrice((address,uint256,address[],bytes[],uint256))": { "notice": "Hashes `DelegatedBatchWithGasPrice` message payload" }, "initialize(address,address)": { "notice": "Initializes `Gateway` contract" }, "isInitialized()": { "notice": "Check if contract is initialized" }, "sendBatch(address[],bytes[])": { "notice": "Sends batch" }, "sendBatchFromAccount(address,address[],bytes[])": { "notice": "Sends batch from the account" } }, "notice": "GSN replacement", "version": 1 }, "storageLayout": { "storage": [ { "astId": 1871, "contract": "src/gateway/Gateway.sol:Gateway", "label": "initializer", "offset": 0, "slot": "0", "type": "t_address" }, { "astId": 1935, "contract": "src/gateway/Gateway.sol:Gateway", "label": "chainId", "offset": 0, "slot": "1", "type": "t_uint256" }, { "astId": 4647, "contract": "src/gateway/Gateway.sol:Gateway", "label": "externalAccountRegistry", "offset": 0, "slot": "2", "type": "t_contract(ExternalAccountRegistry)4591" }, { "astId": 4649, "contract": "src/gateway/Gateway.sol:Gateway", "label": "personalAccountRegistry", "offset": 0, "slot": "3", "type": "t_contract(PersonalAccountRegistry)7452" }, { "astId": 4653, "contract": "src/gateway/Gateway.sol:Gateway", "label": "accountNonce", "offset": 0, "slot": "4", "type": "t_mapping(t_address,t_uint256)" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_contract(ExternalAccountRegistry)4591": { "encoding": "inplace", "label": "contract ExternalAccountRegistry", "numberOfBytes": "20" }, "t_contract(PersonalAccountRegistry)7452": { "encoding": "inplace", "label": "contract PersonalAccountRegistry", "numberOfBytes": "20" }, "t_mapping(t_address,t_uint256)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => uint256)", "numberOfBytes": "32", "value": "t_uint256" }, "t_uint256": { "encoding": "inplace", "label": "uint256", "numberOfBytes": "32" } } } }