{ "contractName": "RelayRegistrar", "abi": [ { "inputs": [ { "internalType": "uint256", "name": "_relayRegistrationMaxAge", "type": "uint256" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "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": true, "internalType": "address", "name": "relayManager", "type": "address" }, { "indexed": true, "internalType": "address", "name": "relayHub", "type": "address" }, { "indexed": false, "internalType": "bytes32[3]", "name": "relayUrl", "type": "bytes32[3]" } ], "name": "RelayServerRegistered", "type": "event" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "getCreationBlock", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "getRelayRegistrationMaxAge", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "uint256", "name": "_relayRegistrationMaxAge", "type": "uint256" } ], "name": "setRelayRegistrationMaxAge", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes4", "name": "interfaceId", "type": "bytes4" } ], "name": "supportsInterface", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "relayHub", "type": "address" }, { "internalType": "bytes32[3]", "name": "url", "type": "bytes32[3]" } ], "name": "registerRelayServer", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "relayHub", "type": "address" }, { "internalType": "address", "name": "relayManager", "type": "address" } ], "name": "getRelayInfo", "outputs": [ { "components": [ { "internalType": "uint32", "name": "lastSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "lastSeenTimestamp", "type": "uint40" }, { "internalType": "uint32", "name": "firstSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "firstSeenTimestamp", "type": "uint40" }, { "internalType": "bytes32[3]", "name": "urlParts", "type": "bytes32[3]" }, { "internalType": "address", "name": "relayManager", "type": "address" } ], "internalType": "struct IRelayRegistrar.RelayInfo", "name": "", "type": "tuple" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "relayHub", "type": "address" } ], "name": "readRelayInfos", "outputs": [ { "components": [ { "internalType": "uint32", "name": "lastSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "lastSeenTimestamp", "type": "uint40" }, { "internalType": "uint32", "name": "firstSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "firstSeenTimestamp", "type": "uint40" }, { "internalType": "bytes32[3]", "name": "urlParts", "type": "bytes32[3]" }, { "internalType": "address", "name": "relayManager", "type": "address" } ], "internalType": "struct IRelayRegistrar.RelayInfo[]", "name": "info", "type": "tuple[]" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "relayHub", "type": "address" }, { "internalType": "uint256", "name": "oldestBlockNumber", "type": "uint256" }, { "internalType": "uint256", "name": "oldestBlockTimestamp", "type": "uint256" }, { "internalType": "uint256", "name": "maxCount", "type": "uint256" } ], "name": "readRelayInfosInRange", "outputs": [ { "components": [ { "internalType": "uint32", "name": "lastSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "lastSeenTimestamp", "type": "uint40" }, { "internalType": "uint32", "name": "firstSeenBlockNumber", "type": "uint32" }, { "internalType": "uint40", "name": "firstSeenTimestamp", "type": "uint40" }, { "internalType": "bytes32[3]", "name": "urlParts", "type": "bytes32[3]" }, { "internalType": "address", "name": "relayManager", "type": "address" } ], "internalType": "struct IRelayRegistrar.RelayInfo[]", "name": "info", "type": "tuple[]" } ], "stateMutability": "view", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.8.7+commit.e28d00a7\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_relayRegistrationMaxAge\",\"type\":\"uint256\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"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\":true,\"internalType\":\"address\",\"name\":\"relayManager\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"relayHub\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"bytes32[3]\",\"name\":\"relayUrl\",\"type\":\"bytes32[3]\"}],\"name\":\"RelayServerRegistered\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"getCreationBlock\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"relayHub\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"relayManager\",\"type\":\"address\"}],\"name\":\"getRelayInfo\",\"outputs\":[{\"components\":[{\"internalType\":\"uint32\",\"name\":\"lastSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"lastSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"uint32\",\"name\":\"firstSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"firstSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"bytes32[3]\",\"name\":\"urlParts\",\"type\":\"bytes32[3]\"},{\"internalType\":\"address\",\"name\":\"relayManager\",\"type\":\"address\"}],\"internalType\":\"struct IRelayRegistrar.RelayInfo\",\"name\":\"\",\"type\":\"tuple\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"getRelayRegistrationMaxAge\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"relayHub\",\"type\":\"address\"}],\"name\":\"readRelayInfos\",\"outputs\":[{\"components\":[{\"internalType\":\"uint32\",\"name\":\"lastSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"lastSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"uint32\",\"name\":\"firstSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"firstSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"bytes32[3]\",\"name\":\"urlParts\",\"type\":\"bytes32[3]\"},{\"internalType\":\"address\",\"name\":\"relayManager\",\"type\":\"address\"}],\"internalType\":\"struct IRelayRegistrar.RelayInfo[]\",\"name\":\"info\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"relayHub\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"oldestBlockNumber\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"oldestBlockTimestamp\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"maxCount\",\"type\":\"uint256\"}],\"name\":\"readRelayInfosInRange\",\"outputs\":[{\"components\":[{\"internalType\":\"uint32\",\"name\":\"lastSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"lastSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"uint32\",\"name\":\"firstSeenBlockNumber\",\"type\":\"uint32\"},{\"internalType\":\"uint40\",\"name\":\"firstSeenTimestamp\",\"type\":\"uint40\"},{\"internalType\":\"bytes32[3]\",\"name\":\"urlParts\",\"type\":\"bytes32[3]\"},{\"internalType\":\"address\",\"name\":\"relayManager\",\"type\":\"address\"}],\"internalType\":\"struct IRelayRegistrar.RelayInfo[]\",\"name\":\"info\",\"type\":\"tuple[]\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"relayHub\",\"type\":\"address\"},{\"internalType\":\"bytes32[3]\",\"name\":\"url\",\"type\":\"bytes32[3]\"}],\"name\":\"registerRelayServer\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"renounceOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_relayRegistrationMaxAge\",\"type\":\"uint256\"}],\"name\":\"setRelayRegistrationMaxAge\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes4\",\"name\":\"interfaceId\",\"type\":\"bytes4\"}],\"name\":\"supportsInterface\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"kind\":\"dev\",\"methods\":{\"getCreationBlock()\":{\"returns\":{\"_0\":\"The block number in which the contract has been deployed.\"}},\"getRelayInfo(address,address)\":{\"params\":{\"relayHub\":\"The address of the `RelayHub` contract for which this action is performed.\",\"relayManager\":\"An address of a Relay Manager.\"},\"returns\":{\"_0\":\"All the details of the given Relay Manager's registration. Throws if relay not found for `RelayHub`.\"}},\"getRelayRegistrationMaxAge()\":{\"returns\":{\"_0\":\"The maximum age the relay is considered registered by default by this `RelayRegistrar`, in seconds.\"}},\"owner()\":{\"details\":\"Returns the address of the current owner.\"},\"readRelayInfos(address)\":{\"params\":{\"relayHub\":\"The address of the `RelayHub` contract for which this action is performed.\"},\"returns\":{\"info\":\"The list of `RelayInfo`s of registered Relay Servers\"}},\"readRelayInfosInRange(address,uint256,uint256,uint256)\":{\"params\":{\"maxCount\":\"The maximum amount of relays to be returned by this function.\",\"oldestBlockNumber\":\"The latest block number in which a Relay Server may be registered.\",\"oldestBlockTimestamp\":\"The latest block timestamp in which a Relay Server may be registered.\",\"relayHub\":\"The address of the `RelayHub` contract for which this action is performed.\"},\"returns\":{\"info\":\"The list of `RelayInfo`s of registered Relay Servers\"}},\"registerRelayServer(address,bytes32[3])\":{\"params\":{\"relayHub\":\"The address of the `RelayHub` contract for which this action is performed.\",\"url\":\"The URL of the Relay Server that is listening to the clients' requests.\"}},\"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.\"},\"supportsInterface(bytes4)\":{\"details\":\"Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas.\"},\"transferOwnership(address)\":{\"details\":\"Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner.\"}},\"title\":\"The RelayRegistrar Implementation\",\"version\":1},\"userdoc\":{\"events\":{\"RelayServerRegistered(address,address,bytes32[3])\":{\"notice\":\"Emitted when a relay server registers or updates its details. Looking up these events allows a client to discover registered Relay Servers.\"}},\"kind\":\"user\",\"methods\":{\"readRelayInfos(address)\":{\"notice\":\"Read relay info of registered Relay Server from an on-chain storage.\"},\"readRelayInfosInRange(address,uint256,uint256,uint256)\":{\"notice\":\"Read relay info of registered Relay Server from an on-chain storage.\"},\"registerRelayServer(address,bytes32[3])\":{\"notice\":\"This function is called by Relay Servers in order to register or to update their registration.\"},\"setRelayRegistrationMaxAge(uint256)\":{\"notice\":\"Change the maximum relay registration age.\"}},\"notice\":\"Keeps a list of registered relayers.Provides view functions to read the list of registered relayers and filters out invalid ones.Protects the list from spamming entries: only staked relayers are 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"source": "pragma solidity ^0.8.6;\n\n// solhint-disable not-rely-on-time\n//SPDX-License-Identifier: GPL-3.0-only\n\n/* solhint-disable no-inline-assembly */\n\nimport \"hardhat/console.sol\";\n\nimport \"@openzeppelin/contracts/utils/introspection/ERC165.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\nimport \"./MinLibBytes.sol\";\nimport \"../interfaces/IRelayHub.sol\";\nimport \"../interfaces/IRelayRegistrar.sol\";\n\n/**\n * @title The RelayRegistrar Implementation\n * @notice Keeps a list of registered relayers.\n *\n * @notice Provides view functions to read the list of registered relayers and filters out invalid ones.\n *\n * @notice Protects the list from spamming entries: only staked relayers are added.\n */\ncontract RelayRegistrar is IRelayRegistrar, Ownable, ERC165 {\n using MinLibBytes for bytes;\n\n uint256 private constant MAX_RELAYS_RETURNED_COUNT = 1000;\n\n /// @notice Mapping from `RelayHub` address to a mapping from a Relay Manager address to its registration details.\n mapping(address => mapping(address => RelayInfo)) internal values;\n\n /// @notice Mapping from `RelayHub` address to an array of Relay Managers that are registered on that `RelayHub`.\n mapping(address => address[]) internal indexedValues;\n\n uint256 private immutable creationBlock;\n\n uint256 private relayRegistrationMaxAge;\n\n constructor(uint256 _relayRegistrationMaxAge) {\n setRelayRegistrationMaxAge(_relayRegistrationMaxAge);\n creationBlock = block.number;\n }\n\n /// @inheritdoc IRelayRegistrar\n function getCreationBlock() external override view returns (uint256){\n return creationBlock;\n }\n\n /// @inheritdoc IRelayRegistrar\n function getRelayRegistrationMaxAge() external override view returns (uint256){\n return relayRegistrationMaxAge;\n }\n\n /// @inheritdoc IRelayRegistrar\n function setRelayRegistrationMaxAge(uint256 _relayRegistrationMaxAge) public override onlyOwner {\n relayRegistrationMaxAge = _relayRegistrationMaxAge;\n }\n\n /// @inheritdoc IERC165\n function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {\n return interfaceId == type(IRelayRegistrar).interfaceId ||\n super.supportsInterface(interfaceId);\n }\n\n /// @inheritdoc IRelayRegistrar\n function registerRelayServer(\n address relayHub,\n bytes32[3] calldata url\n ) external override {\n address relayManager = msg.sender;\n IRelayHub(relayHub).onRelayServerRegistered(relayManager);\n emit RelayServerRegistered(relayManager, relayHub, url);\n storeRelayServerRegistration(relayManager, relayHub, url);\n }\n\n function addItem(address relayHub, address relayManager) internal returns (RelayInfo storage) {\n RelayInfo storage storageInfo = values[relayHub][relayManager];\n if (storageInfo.lastSeenBlockNumber == 0) {\n indexedValues[relayHub].push(relayManager);\n }\n return storageInfo;\n }\n\n function storeRelayServerRegistration(\n address relayManager,\n address relayHub,\n bytes32[3] calldata url\n ) internal {\n RelayInfo storage storageInfo = addItem(relayHub, relayManager);\n if (storageInfo.firstSeenBlockNumber == 0) {\n storageInfo.firstSeenBlockNumber = uint32(block.number);\n storageInfo.firstSeenTimestamp = uint40(block.timestamp);\n }\n storageInfo.lastSeenBlockNumber = uint32(block.number);\n storageInfo.lastSeenTimestamp = uint40(block.timestamp);\n storageInfo.relayManager = relayManager;\n storageInfo.urlParts = url;\n }\n\n /// @inheritdoc IRelayRegistrar\n function getRelayInfo(address relayHub, address relayManager) public view override returns (RelayInfo memory) {\n RelayInfo memory info = values[relayHub][relayManager];\n require(info.lastSeenBlockNumber != 0, \"relayManager not found\");\n return info;\n }\n\n /// @inheritdoc IRelayRegistrar\n function readRelayInfos(\n address relayHub\n )\n public\n view\n override\n returns (\n RelayInfo[] memory info\n ) {\n uint256 blockTimestamp = block.timestamp;\n uint256 oldestBlockTimestamp = blockTimestamp >= relayRegistrationMaxAge ? blockTimestamp - relayRegistrationMaxAge : 0;\n return readRelayInfosInRange(relayHub, 0, oldestBlockTimestamp, MAX_RELAYS_RETURNED_COUNT);\n }\n\n /// @inheritdoc IRelayRegistrar\n function readRelayInfosInRange(\n address relayHub,\n uint256 oldestBlockNumber,\n uint256 oldestBlockTimestamp,\n uint256 maxCount\n )\n public\n view\n override\n returns (\n RelayInfo[] memory info\n ) {\n address[] storage items = indexedValues[relayHub];\n uint256 filled = 0;\n info = new RelayInfo[](items.length < maxCount ? items.length : maxCount);\n for (uint256 i = 0; i < items.length; i++) {\n address relayManager = items[i];\n RelayInfo memory relayInfo = getRelayInfo(relayHub, relayManager);\n if (\n relayInfo.lastSeenBlockNumber < oldestBlockNumber ||\n relayInfo.lastSeenTimestamp < oldestBlockTimestamp\n ) {\n continue;\n }\n // solhint-disable-next-line no-empty-blocks\n try IRelayHub(relayHub).verifyRelayManagerStaked(relayManager) {\n } catch (bytes memory /*lowLevelData*/) {\n continue;\n }\n info[filled++] = relayInfo;\n if (filled >= maxCount)\n break;\n }\n assembly { mstore(info, filled) }\n }\n}", "sourcePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/RelayRegistrar.sol", "ast": { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/RelayRegistrar.sol", "exportedSymbols": { "Context": [ 11508 ], "ERC165": [ 12146 ], "GsnTypes": [ 8492 ], "IERC165": [ 12352 ], "IERC20": [ 10849 ], "IForwarder": [ 5129 ], "IRelayHub": [ 5896 ], "IRelayRegistrar": [ 5994 ], "IStakeManager": [ 6284 ], "MinLibBytes": [ 8687 ], "Ownable": [ 10182 ], "RelayRegistrar": [ 9942 ], "console": [ 20920 ] }, "id": 9943, "license": "GPL-3.0-only", "nodeType": "SourceUnit", "nodes": [ { "id": 9501, "literals": [ "solidity", "^", "0.8", ".6" ], "nodeType": "PragmaDirective", "src": "0:23:44" }, { "absolutePath": "hardhat/console.sol", "file": "hardhat/console.sol", "id": 9502, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 20921, "src": "144:29:44", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "file": "@openzeppelin/contracts/utils/introspection/ERC165.sol", "id": 9503, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 12147, "src": "175:64:44", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "@openzeppelin/contracts/access/Ownable.sol", "file": "@openzeppelin/contracts/access/Ownable.sol", "id": 9504, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 10183, "src": "240:52:44", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/utils/MinLibBytes.sol", "file": "./MinLibBytes.sol", "id": 9505, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 8688, "src": "294:27:44", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IRelayHub.sol", "file": "../interfaces/IRelayHub.sol", "id": 9506, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 5897, "src": "322:37:44", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/Users/alexf/gsn2/packages/contracts/solpp/interfaces/IRelayRegistrar.sol", "file": "../interfaces/IRelayRegistrar.sol", "id": 9507, "nameLocation": "-1:-1:-1", "nodeType": "ImportDirective", "scope": 9943, "sourceUnit": 5995, "src": "360:43:44", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "baseName": { "id": 9509, "name": "IRelayRegistrar", "nodeType": "IdentifierPath", "referencedDeclaration": 5994, "src": "727:15:44" }, "id": 9510, "nodeType": "InheritanceSpecifier", "src": "727:15:44" }, { "baseName": { "id": 9511, "name": "Ownable", "nodeType": "IdentifierPath", "referencedDeclaration": 10182, "src": "744:7:44" }, "id": 9512, "nodeType": "InheritanceSpecifier", "src": "744:7:44" }, { "baseName": { "id": 9513, "name": "ERC165", "nodeType": "IdentifierPath", "referencedDeclaration": 12146, "src": "753:6:44" }, "id": 9514, "nodeType": "InheritanceSpecifier", "src": "753:6:44" } ], "contractDependencies": [], "contractKind": "contract", "documentation": { "id": 9508, "nodeType": "StructuredDocumentation", "src": "405:294:44", "text": " @title The RelayRegistrar Implementation\n @notice Keeps a list of registered relayers.\n @notice Provides view functions to read the list of registered relayers and filters out invalid ones.\n @notice Protects the list from spamming entries: only staked relayers are added." }, "fullyImplemented": true, "id": 9942, "linearizedBaseContracts": [ 9942, 12146, 10182, 11508, 5994, 12352 ], "name": "RelayRegistrar", "nameLocation": "709:14:44", "nodeType": "ContractDefinition", "nodes": [ { "id": 9517, "libraryName": { "id": 9515, "name": "MinLibBytes", "nodeType": "IdentifierPath", "referencedDeclaration": 8687, "src": "772:11:44" }, "nodeType": "UsingForDirective", "src": "766:28:44", "typeName": { "id": 9516, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "788:5:44", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, { "constant": true, "id": 9520, "mutability": "constant", "name": "MAX_RELAYS_RETURNED_COUNT", "nameLocation": "825:25:44", "nodeType": "VariableDeclaration", "scope": 9942, "src": "800:57:44", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9518, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "800:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": { "hexValue": "31303030", "id": 9519, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "853:4:44", "typeDescriptions": { "typeIdentifier": "t_rational_1000_by_1", "typeString": "int_const 1000" }, "value": "1000" }, "visibility": "private" }, { "constant": false, "documentation": { "id": 9521, "nodeType": "StructuredDocumentation", "src": "864:114:44", "text": "@notice Mapping from `RelayHub` address to a mapping from a Relay Manager address to its registration details." }, "id": 9528, "mutability": "mutable", "name": "values", "nameLocation": "1042:6:44", "nodeType": "VariableDeclaration", "scope": 9942, "src": "983:65:44", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_struct$_RelayInfo_$5917_storage_$_$", "typeString": "mapping(address => mapping(address => struct IRelayRegistrar.RelayInfo))" }, "typeName": { "id": 9527, "keyType": { "id": 9522, "name": "address", "nodeType": "ElementaryTypeName", "src": "991:7:44", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "983:49:44", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_mapping$_t_address_$_t_struct$_RelayInfo_$5917_storage_$_$", "typeString": "mapping(address => mapping(address => struct IRelayRegistrar.RelayInfo))" }, "valueType": { "id": 9526, "keyType": { "id": 9523, "name": "address", "nodeType": "ElementaryTypeName", "src": "1010:7:44", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1002:29:44", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_struct$_RelayInfo_$5917_storage_$", "typeString": "mapping(address => struct IRelayRegistrar.RelayInfo)" }, "valueType": { "id": 9525, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 9524, "name": "RelayInfo", "nodeType": "IdentifierPath", "referencedDeclaration": 5917, "src": "1021:9:44" }, "referencedDeclaration": 5917, "src": "1021:9:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_storage_ptr", "typeString": "struct IRelayRegistrar.RelayInfo" } } } }, "visibility": "internal" }, { "constant": false, "documentation": { "id": 9529, "nodeType": "StructuredDocumentation", "src": "1055:113:44", "text": "@notice Mapping from `RelayHub` address to an array of Relay Managers that are registered on that `RelayHub`." }, "id": 9534, "mutability": "mutable", "name": "indexedValues", "nameLocation": "1212:13:44", "nodeType": "VariableDeclaration", "scope": 9942, "src": "1173:52:44", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_address_$dyn_storage_$", "typeString": "mapping(address => address[])" }, "typeName": { "id": 9533, "keyType": { "id": 9530, "name": "address", "nodeType": "ElementaryTypeName", "src": "1181:7:44", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "1173:29:44", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_array$_t_address_$dyn_storage_$", "typeString": "mapping(address => address[])" }, "valueType": { "baseType": { "id": 9531, "name": "address", "nodeType": "ElementaryTypeName", "src": "1192:7:44", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 9532, "nodeType": "ArrayTypeName", "src": "1192:9:44", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[]" } } }, "visibility": "internal" }, { "constant": false, "id": 9536, "mutability": "immutable", "name": "creationBlock", "nameLocation": "1258:13:44", "nodeType": "VariableDeclaration", "scope": 9942, "src": "1232:39:44", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9535, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1232:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "private" }, { "constant": false, "id": 9538, "mutability": "mutable", "name": "relayRegistrationMaxAge", "nameLocation": "1294:23:44", "nodeType": "VariableDeclaration", "scope": 9942, "src": "1278:39:44", "stateVariable": true, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9537, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1278:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "private" }, { "body": { "id": 9552, "nodeType": "Block", "src": "1370:107:44", "statements": [ { "expression": { "arguments": [ { "id": 9544, "name": "_relayRegistrationMaxAge", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9540, "src": "1407:24:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { 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"1442:13:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "expression": { "id": 9548, "name": "block", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4294967292, "src": "1458:5:44", "typeDescriptions": { "typeIdentifier": "t_magic_block", "typeString": "block" } }, "id": 9549, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "number", "nodeType": "MemberAccess", "src": "1458:12:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "1442:28:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9551, "nodeType": "ExpressionStatement", "src": "1442:28:44" } ] }, "id": 9553, "implemented": true, "kind": "constructor", "modifiers": [], "name": "", "nameLocation": "-1:-1:-1", "nodeType": "FunctionDefinition", "parameters": { "id": 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false, "id": 9885, "mutability": "mutable", "name": "relayManager", "nameLocation": "4955:12:44", "nodeType": "VariableDeclaration", "scope": 9937, "src": "4947:20:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9884, "name": "address", "nodeType": "ElementaryTypeName", "src": "4947:7:44", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" } ], "id": 9889, "initialValue": { "baseExpression": { "id": 9886, "name": "items", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9848, "src": "4970:5:44", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[] storage pointer" } }, "id": 9888, "indexExpression": { "id": 9887, "name": "i", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 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false, "lValueRequested": false, "leftExpression": { "expression": { "id": 9898, "name": "relayInfo", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9892, "src": "5092:9:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo memory" } }, "id": 9899, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "lastSeenBlockNumber", "nodeType": "MemberAccess", "referencedDeclaration": 5904, "src": "5092:29:44", "typeDescriptions": { "typeIdentifier": "t_uint32", "typeString": "uint32" } }, "nodeType": "BinaryOperation", "operator": "<", "rightExpression": { "id": 9900, "name": "oldestBlockNumber", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9832, "src": "5124:17:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5092:49:44", "typeDescriptions": { 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"typeString": "address" } ], "expression": { "arguments": [ { "id": 9911, "name": "relayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9830, "src": "5351:8:44", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 9910, "name": "IRelayHub", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5896, "src": "5341:9:44", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IRelayHub_$5896_$", "typeString": "type(contract IRelayHub)" } }, "id": 9912, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5341:19:44", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_contract$_IRelayHub_$5896", "typeString": "contract IRelayHub" } }, "id": 9913, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "verifyRelayManagerStaked", "nodeType": "MemberAccess", "referencedDeclaration": 5857, "src": "5341:44:44", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$__$", "typeString": "function (address) view external" } }, "id": 9915, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5341:58:44", "tryCall": true, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 9924, "nodeType": "TryStatement", "src": "5337:158:44" }, { "expression": { "id": 9930, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "baseExpression": { "id": 9925, "name": "info", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9842, "src": "5508:4:44", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_RelayInfo_$5917_memory_ptr_$dyn_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo memory[] memory" } }, "id": 9928, "indexExpression": { "id": 9927, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "++", "prefix": false, "src": "5513:8:44", "subExpression": { "id": 9926, "name": "filled", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9854, "src": "5513:6:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "5508:14:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo memory" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "id": 9929, "name": "relayInfo", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9892, "src": "5525:9:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo memory" } }, "src": "5508:26:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo memory" } }, "id": 9931, "nodeType": "ExpressionStatement", "src": "5508:26:44" }, { "condition": { "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 9934, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "id": 9932, "name": "filled", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9854, "src": "5552:6:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": 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"name": "items", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 9848, "src": "4914:5:44", "typeDescriptions": { "typeIdentifier": "t_array$_t_address_$dyn_storage_ptr", "typeString": "address[] storage pointer" } }, "id": 9879, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "length", "nodeType": "MemberAccess", "src": "4914:12:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4910:16:44", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 9938, "initializationExpression": { "assignments": [ 9874 ], "declarations": [ { "constant": false, "id": 9874, "mutability": "mutable", "name": "i", "nameLocation": "4903:1:44", "nodeType": "VariableDeclaration", "scope": 9938, "src": "4895:9:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { 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"typeString": "uint256" } }, "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 9883, "nodeType": "ExpressionStatement", "src": "4928:3:44" }, "nodeType": "ForStatement", "src": "4890:714:44" }, { "AST": { "nodeType": "YulBlock", "src": "5622:24:44", "statements": [ { "expression": { "arguments": [ { "name": "info", "nodeType": "YulIdentifier", "src": "5631:4:44" }, { "name": "filled", "nodeType": "YulIdentifier", "src": "5637:6:44" } ], "functionName": { "name": "mstore", "nodeType": "YulIdentifier", "src": "5624:6:44" }, "nodeType": "YulFunctionCall", "src": "5624:20:44" }, "nodeType": "YulExpressionStatement", "src": "5624:20:44" } ] }, "evmVersion": "london", "externalReferences": [ { "declaration": 9854, "isOffset": false, "isSlot": false, "src": "5637:6:44", "valueSize": 1 }, { "declaration": 9842, "isOffset": false, "isSlot": false, "src": "5631:4:44", "valueSize": 1 } ], "id": 9939, "nodeType": "InlineAssembly", "src": "5613:33:44" } ] }, "documentation": { "id": 9828, "nodeType": "StructuredDocumentation", "src": "4427:31:44", "text": "@inheritdoc IRelayRegistrar" }, "functionSelector": "55fb8d60", "id": 9941, "implemented": true, "kind": "function", "modifiers": [], "name": "readRelayInfosInRange", "nameLocation": "4472:21:44", "nodeType": "FunctionDefinition", "overrides": { "id": 9838, "nodeType": "OverrideSpecifier", "overrides": [], "src": "4649:8:44" }, "parameters": { "id": 9837, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9830, "mutability": "mutable", "name": "relayHub", "nameLocation": "4511:8:44", "nodeType": "VariableDeclaration", "scope": 9941, "src": "4503:16:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 9829, "name": "address", "nodeType": "ElementaryTypeName", "src": "4503:7:44", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "visibility": "internal" }, { "constant": false, "id": 9832, "mutability": "mutable", "name": "oldestBlockNumber", "nameLocation": "4537:17:44", "nodeType": "VariableDeclaration", "scope": 9941, "src": "4529:25:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9831, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4529:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 9834, "mutability": "mutable", "name": "oldestBlockTimestamp", "nameLocation": "4572:20:44", "nodeType": "VariableDeclaration", "scope": 9941, "src": "4564:28:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9833, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4564:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" }, { "constant": false, "id": 9836, "mutability": "mutable", "name": "maxCount", "nameLocation": "4610:8:44", "nodeType": "VariableDeclaration", "scope": 9941, "src": "4602:16:44", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 9835, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4602:7:44", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "visibility": "internal" } ], "src": "4493:131:44" }, "returnParameters": { "id": 9843, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 9842, "mutability": "mutable", "name": "info", "nameLocation": "4699:4:44", "nodeType": "VariableDeclaration", "scope": 9941, "src": "4680:23:44", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_RelayInfo_$5917_memory_ptr_$dyn_memory_ptr", "typeString": "struct IRelayRegistrar.RelayInfo[]" }, "typeName": { "baseType": { "id": 9840, "nodeType": "UserDefinedTypeName", "pathNode": { "id": 9839, "name": "RelayInfo", "nodeType": "IdentifierPath", "referencedDeclaration": 5917, "src": "4680:9:44" }, "referencedDeclaration": 5917, "src": "4680:9:44", "typeDescriptions": { "typeIdentifier": "t_struct$_RelayInfo_$5917_storage_ptr", "typeString": "struct IRelayRegistrar.RelayInfo" } }, "id": 9841, "nodeType": "ArrayTypeName", "src": "4680:11:44", "typeDescriptions": { "typeIdentifier": "t_array$_t_struct$_RelayInfo_$5917_storage_$dyn_storage_ptr", "typeString": "struct IRelayRegistrar.RelayInfo[]" } }, "visibility": "internal" } ], "src": "4670:39:44" }, "scope": 9942, "src": "4463:1189:44", "stateMutability": "view", "virtual": false, "visibility": "public" } ], "scope": 9943, "src": "700:4954:44", "usedErrors": [] } ], "src": "0:5654:44" }, "compiler": { "name": "solc", "version": "0.8.7+commit.e28d00a7.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.1.0", "updatedAt": "2023-03-16T16:54:15.259Z", "devdoc": { "kind": "dev", "methods": { "getCreationBlock()": { "returns": { "_0": "The block number in which the contract has been deployed." } }, "getRelayInfo(address,address)": { "params": { "relayHub": "The address of the `RelayHub` contract for which this action is performed.", "relayManager": "An address of a Relay Manager." }, "returns": { "_0": "All the details of the given Relay Manager's registration. Throws if relay not found for `RelayHub`." } }, "getRelayRegistrationMaxAge()": { "returns": { "_0": "The maximum age the relay is considered registered by default by this `RelayRegistrar`, in seconds." } }, "owner()": { "details": "Returns the address of the current owner." }, "readRelayInfos(address)": { "params": { "relayHub": "The address of the `RelayHub` contract for which this action is performed." }, "returns": { "info": "The list of `RelayInfo`s of registered Relay Servers" } }, "readRelayInfosInRange(address,uint256,uint256,uint256)": { "params": { "maxCount": "The maximum amount of relays to be returned by this function.", "oldestBlockNumber": "The latest block number in which a Relay Server may be registered.", "oldestBlockTimestamp": "The latest block timestamp in which a Relay Server may be registered.", "relayHub": "The address of the `RelayHub` contract for which this action is performed." }, "returns": { "info": "The list of `RelayInfo`s of registered Relay Servers" } }, "registerRelayServer(address,bytes32[3])": { "params": { "relayHub": "The address of the `RelayHub` contract for which this action is performed.", "url": "The URL of the Relay Server that is listening to the clients' requests." } }, "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." }, "supportsInterface(bytes4)": { "details": "Returns true if this contract implements the interface defined by `interfaceId`. See the corresponding https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] to learn more about how these ids are created. This function call must use less than 30 000 gas." }, "transferOwnership(address)": { "details": "Transfers ownership of the contract to a new account (`newOwner`). Can only be called by the current owner." } }, "title": "The RelayRegistrar Implementation", "version": 1 }, "userdoc": { "events": { "RelayServerRegistered(address,address,bytes32[3])": { "notice": "Emitted when a relay server registers or updates its details. Looking up these events allows a client to discover registered Relay Servers." } }, "kind": "user", "methods": { "readRelayInfos(address)": { "notice": "Read relay info of registered Relay Server from an on-chain storage." }, "readRelayInfosInRange(address,uint256,uint256,uint256)": { "notice": "Read relay info of registered Relay Server from an on-chain storage." }, "registerRelayServer(address,bytes32[3])": { "notice": "This function is called by Relay Servers in order to register or to update their registration." }, "setRelayRegistrationMaxAge(uint256)": { "notice": "Change the maximum relay registration age." } }, "notice": "Keeps a list of registered relayers.Provides view functions to read the list of registered relayers and filters out invalid ones.Protects the list from spamming entries: only staked relayers are added.", "version": 1 } }