ECDSAtest.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

contract ECDSA {
    /**
     * @dev Dummy implementation. This code is implemented in the precomiled contract
     * @return A boolean confirming whether the public key is signer for the message.
     */
    function verify(
        bytes calldata public_key,
        bytes calldata signature,
        bytes calldata message
    ) external pure returns (bool){
        if (public_key[0] == 0 || signature[0] == 0 || message[0] == 0) return false;

        return true;
    }
}
contract ECDSAtest {
    ECDSA public ECDSAContract;

    function initialise(address ecdsa) public {
        ECDSAContract = ECDSA(ecdsa);
    }

    function verify(
        bytes memory public_key,
        bytes memory signature,
        bytes memory smessage
    ) external view returns (bool) {
        bool address_verified = ECDSAContract.verify(public_key, signature, smessage);


        return address_verified;
    }

}