// SPDX-License-Identifier: BSL 1.1 - Copyright 2024 MetaLayer Labs Ltd.
pragma solidity ^0.8.0;

/// @title Predeploys
/// @notice Contains constant addresses for contracts that are pre-deployed to the L2 system.
library Predeploys {
  /// @notice Address of the L2ToL1MessagePasser predeploy.
  address internal constant L2_TO_L1_MESSAGE_PASSER = 0x4200000000000000000000000000000000000016;

  /// @notice Address of the L2CrossDomainMessenger predeploy.
  address internal constant L2_CROSS_DOMAIN_MESSENGER = 0x4200000000000000000000000000000000000007;

  /// @notice Address of the L2StandardBridge predeploy.
  address internal constant L2_STANDARD_BRIDGE = 0x4200000000000000000000000000000000000010;

  /// @notice Address of the L2ERC721Bridge predeploy.
  address internal constant L2_ERC721_BRIDGE = 0x4200000000000000000000000000000000000014;

  //// @notice Address of the SequencerFeeWallet predeploy.
  address internal constant SEQUENCER_FEE_WALLET = 0x4200000000000000000000000000000000000011;

  /// @notice Address of the OptimismMintableERC20Factory predeploy.
  address internal constant OPTIMISM_MINTABLE_ERC20_FACTORY = 0x4200000000000000000000000000000000000012;

  /// @notice Address of the OptimismMintableERC721Factory predeploy.
  address internal constant OPTIMISM_MINTABLE_ERC721_FACTORY = 0x4200000000000000000000000000000000000017;

  /// @notice Address of the L1Block predeploy.
  address internal constant L1_BLOCK_ATTRIBUTES = 0x4200000000000000000000000000000000000015;

  /// @notice Address of the GasPriceOracle predeploy. Includes fee information
  ///         and helpers for computing the L1 portion of the transaction fee.
  address internal constant GAS_PRICE_ORACLE = 0x420000000000000000000000000000000000000F;

  /// @custom:legacy
  /// @notice Address of the L1MessageSender predeploy. Deprecated. Use L2CrossDomainMessenger
  ///         or access tx.origin (or msg.sender) in a L1 to L2 transaction instead.
  address internal constant L1_MESSAGE_SENDER = 0x4200000000000000000000000000000000000001;

  /// @custom:legacy
  /// @notice Address of the DeployerWhitelist predeploy. No longer active.
  address internal constant DEPLOYER_WHITELIST = 0x4200000000000000000000000000000000000002;

  /// @custom:legacy
  /// @notice Address of the LegacyERC20ETH predeploy. Deprecated. Balances are migrated to the
  ///         state trie as of the Bedrock upgrade. Contract has been locked and write functions
  ///         can no longer be accessed.
  address internal constant LEGACY_ERC20_ETH = 0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000;

  /// @custom:legacy
  /// @notice Address of the L1BlockNumber predeploy. Deprecated. Use the L1Block predeploy
  ///         instead, which exposes more information about the L1 state.
  address internal constant L1_BLOCK_NUMBER = 0x4200000000000000000000000000000000000013;

  /// @custom:legacy
  /// @notice Address of the LegacyMessagePasser predeploy. Deprecate. Use the updated
  ///         L2ToL1MessagePasser contract instead.
  address internal constant LEGACY_MESSAGE_PASSER = 0x4200000000000000000000000000000000000000;

  /// @notice Address of the ProxyAdmin predeploy.
  address internal constant PROXY_ADMIN = 0x4200000000000000000000000000000000000018;

  /// @notice Address of the BaseFeeVault predeploy.
  address internal constant BASE_FEE_VAULT = 0x4200000000000000000000000000000000000019;

  /// @notice Address of the L1FeeVault predeploy.
  address internal constant L1_FEE_VAULT = 0x420000000000000000000000000000000000001A;

  /// @notice Address of the GovernanceToken predeploy.
  address internal constant GOVERNANCE_TOKEN = 0x4200000000000000000000000000000000000042;

  /// @notice Address of the SchemaRegistry predeploy.
  address internal constant SCHEMA_REGISTRY = 0x4200000000000000000000000000000000000020;

  /// @notice Address of the EAS predeploy.
  address internal constant EAS = 0x4200000000000000000000000000000000000021;

  /// @notice Address of the Shares predeploy.
  address internal constant SHARES = 0x4300000000000000000000000000000000000000;

  /// @notice Address of the Gas predeploy.
  address internal constant GAS = 0x4300000000000000000000000000000000000001;

  /// @notice Address of the Blast predeploy.
  address internal constant BLAST = 0x4300000000000000000000000000000000000002;

  /// @notice Address of the USDB predeploy.
  address internal constant USDB = 0x4300000000000000000000000000000000000003;

  /// @notice Address of the WETH predeploy.
  address internal constant WETH_REBASING = 0x4300000000000000000000000000000000000004;

  /// @notice Address of the L2BlastBridge predeploy.
  address internal constant L2_BLAST_BRIDGE = 0x4300000000000000000000000000000000000005;
}