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openzeppelin-contracts/contracts/vendor/arbitrum/IArbSys.sol

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3.9 KiB

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IArbSys.sol)
pragma solidity >=0.4.21 <0.9.0;
/**
* @title Precompiled contract that exists in every Arbitrum chain at address(100), 0x0000000000000000000000000000000000000064. Exposes a variety of system-level functionality.
*/
interface IArbSys {
/**
* @notice Get internal version number identifying an ArbOS build
* @return version number as int
*/
function arbOSVersion() external pure returns (uint256);
function arbChainID() external view returns (uint256);
/**
* @notice Get Arbitrum block number (distinct from L1 block number; Arbitrum genesis block has block number 0)
* @return block number as int
*/
function arbBlockNumber() external view returns (uint256);
/**
* @notice Send given amount of Eth to dest from sender.
* This is a convenience function, which is equivalent to calling sendTxToL1 with empty calldataForL1.
* @param destination recipient address on L1
* @return unique identifier for this L2-to-L1 transaction.
*/
function withdrawEth(address destination) external payable returns (uint256);
/**
* @notice Send a transaction to L1
* @param destination recipient address on L1
* @param calldataForL1 (optional) calldata for L1 contract call
* @return a unique identifier for this L2-to-L1 transaction.
*/
function sendTxToL1(address destination, bytes calldata calldataForL1) external payable returns (uint256);
/**
* @notice get the number of transactions issued by the given external account or the account sequence number of the given contract
* @param account target account
* @return the number of transactions issued by the given external account or the account sequence number of the given contract
*/
function getTransactionCount(address account) external view returns (uint256);
/**
* @notice get the value of target L2 storage slot
* This function is only callable from address 0 to prevent contracts from being able to call it
* @param account target account
* @param index target index of storage slot
* @return stotage value for the given account at the given index
*/
function getStorageAt(address account, uint256 index) external view returns (uint256);
/**
* @notice check if current call is coming from l1
* @return true if the caller of this was called directly from L1
*/
function isTopLevelCall() external view returns (bool);
/**
* @notice check if the caller (of this caller of this) is an aliased L1 contract address
* @return true iff the caller's address is an alias for an L1 contract address
*/
function wasMyCallersAddressAliased() external view returns (bool);
/**
* @notice return the address of the caller (of this caller of this), without applying L1 contract address aliasing
* @return address of the caller's caller, without applying L1 contract address aliasing
*/
function myCallersAddressWithoutAliasing() external view returns (address);
/**
* @notice map L1 sender contract address to its L2 alias
* @param sender sender address
* @param dest destination address
* @return aliased sender address
*/
function mapL1SenderContractAddressToL2Alias(address sender, address dest) external pure returns (address);
/**
* @notice get the caller's amount of available storage gas
* @return amount of storage gas available to the caller
*/
function getStorageGasAvailable() external view returns (uint256);
event L2ToL1Transaction(
address caller,
address indexed destination,
uint256 indexed uniqueId,
uint256 indexed batchNumber,
uint256 indexInBatch,
uint256 arbBlockNum,
uint256 ethBlockNum,
uint256 timestamp,
uint256 callvalue,
bytes data
);
}