solidity-string-util

A simply Solidity library for common string operations.

Install

npm install solidity-string-util

Usage

To write your custom contracts, import it and attach it to the string type:

pragma solidity ^0.5.0;

import "solidity-string-util/contracts/StringUtil.sol";

contract YourContract {
    using StringUtil for string;

    // your custom code
}

You need an ethereum development framework for the above import statements to work! Check out these guides for Truffle, Embark or Buidler.

Please see the Solidity documentation on libraries for more details on how to work with libraries.

Available functions

Function name	Description
toHash	Returns the keccak256 hash of a string
isEmpty	Returns true if a string is empty, false otherwise

Tests

To run the unit tests execute npm test.

Code coverage

To run the code coverage simply execute npm run coverage.