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