Selfkey ID Authorization

Overview

Selfkey ID Authorization Smart Contract. Signature based authorization mechanism for onchain transactions.

Development

All smart contracts are implemented in Solidity ^0.8.19, using Hardhat as the Solidity development framework.

Prerequisites

• NodeJS, v16.1.0+
• Hardhat, which is a comprehensive framework for Ethereum development.

Initialization

npm install

Testing

npx hardhat test

or with code coverage

npx hardhat coverage

Contract method interface

The following public functions are provided:

• getMessageHash(address _from, address _to, string memory _scope, bytes32 _param, uint _timestamp) returns (bytes32) : obtain hash
• getEthSignedMessageHash(bytes32 _messageHash) returns (bytes32) : obtain signed message hash
• setMinimumAmount(uint _amount) onlyOwners: allows owners to change the minimum payment amoutn required
• verify(address _signer, address _from, address _to, string memory _scope, bytes32 _param, uint _timestamp, bytes memory signature) returns (bool): Verify if hash correctly signed
• authorize(address _from, address _to, string memory _scope, bytes32 _param, uint _timestamp, address signer, bytes memory signature) returns (bool): Returns true if hash is valid
• recoverSigner(bytes32 _ethSignedMessageHash, bytes memory _signature) returns (address): Recover signer

Contributing

Please see the contributing notes.

Copyright

Copyright SelfKey DAO Foundation 2024. All rights reserved.