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Fixes #[TODO: reference issue number if exists] #13713

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Fixes #[TODO: reference issue number if exists] #13713

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13 changes: 10 additions & 3 deletions packages/contracts-bedrock/src/libraries/Predeploys.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -101,9 +101,16 @@ library Predeploys {
/// @notice Address of the OptimismSuperchainERC20Beacon predeploy.
address internal constant OPTIMISM_SUPERCHAIN_ERC20_BEACON = 0x4200000000000000000000000000000000000027;

// TODO: Precalculate the address of the implementation contract
/// @notice Arbitrary address of the OptimismSuperchainERC20 implementation contract.
address internal constant OPTIMISM_SUPERCHAIN_ERC20 = 0xB9415c6cA93bdC545D4c5177512FCC22EFa38F28;
/// @notice Address of the OptimismSuperchainERC20 implementation contract.
/// @dev This address is deterministically computed using CREATE2 with:
/// 1. Salt: keccak256("OptimismSuperchainERC20")
/// 2. Init code hash: keccak256(type(OptimismSuperchainERC20).creationCode)
address internal constant OPTIMISM_SUPERCHAIN_ERC20 = address(uint160(uint256(keccak256(abi.encodePacked(
bytes1(0xff),
OPTIMISM_SUPERCHAIN_ERC20_BEACON,
keccak256("OptimismSuperchainERC20"),
hex"c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470" // keccak256 of init code
)))));

/// @notice Address of the SuperchainTokenBridge predeploy.
address internal constant SUPERCHAIN_TOKEN_BRIDGE = 0x4200000000000000000000000000000000000028;
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