Aditya Dhir
Aditya Dhir

Reputation: 1

How to write a offchain method for Clones.predictDeterministicAddress(erc20TokenImplementation, salt);

I want to write javascript method for same

function predictDeterministicAddress(
    address implementation,
    bytes32 salt,
    address deployer
) internal pure returns (address predicted) {
    assembly {
        let ptr := mload(0x40)
        mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
        mstore(add(ptr, 0x14), shl(0x60, implementation))
        mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
        mstore(add(ptr, 0x38), shl(0x60, deployer))
        mstore(add(ptr, 0x4c), salt)
        mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
        predicted := keccak256(add(ptr, 0x37), 0x55)
    }
}

Upvotes: 0

Views: 143

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