ethereum_smart_contract_ecrecover_evm_asm.sol

ethereum_smart_contract_ecrecover_evm_asm.sol

bool ret;
address addr;
assembly {
    let size := mload(0x40)
    mstore(size, msgHash)
    mstore(add(size, 32), v)
    mstore(add(size, 64), r)
    mstore(add(size, 96), s)
    ret := call(3000, 1, 0, size, 128, size, 32)
    addr := mload(size)
}