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https://github.com/perlin-network/react-use-wavelet

Simple React hooks for interacting with Wavelet.
https://github.com/perlin-network/react-use-wavelet

blockchain dapp react react-hooks smart-contracts wavelet

Last synced: 3 months ago
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Simple React hooks for interacting with Wavelet.

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README

        

# `react-use-wavelet`
[![npmjs.com](https://img.shields.io/npm/v/react-use-wavelet.svg)](https://www.npmjs.com/package/react-use-wavelet)
[![codecov](https://codecov.io/gh/perlin-network/react-use-wavelet/branch/master/graph/badge.svg)](https://codecov.io/gh/perlin-network/react-use-wavelet)
[![Discord Chat](https://img.shields.io/discord/458332417909063682.svg)](https://discord.gg/dMYfDPM)

React hooks to easily integrate [Wavelet](https://wavelet.perlin.net) smart contracts into your React application.

## Setup

```shell
yarn add react-use-wavelet
```

## Usage

```jsx
import React, {useCallback, useState} from "react";
import { useWavelet, useAccount, useContract } from 'react-use-wavelet';
import { Wavelet } from 'wavelet-client';
import JSBI from "jsbi";
const BigInt = JSBI.BigInt;

const MyAccount = () => {
// First get a working client
const [client, node, clientErr] = useWavelet('https://testnet.perlin.net');
// To get a Wavelet Account
const [account, accountErr] = useAccount(client, 'yourprivatekey');

const [chatLogs, setChatLogs] = useState([]);
// callback to set chat logs to results of contract 'get_messages' function
const loadLogs = useCallback((contract) => {
const wallet = Wavelet.loadWalletFromPrivateKey('yourprivatekey');
setChatLogs(contract.test(wallet, 'get_messages', BigInt(0)).logs);
}, []);
// load logs every time wavelet reaches consensus;
const onUpdate = loadLogs;

// load logs after contract loads
const onLoad = loadLogs;

// To get a Wavelet Contract, and register callbacks
const [contract] = useContract(client, 'contract addr', onUpdate, onLoad);

// To call a contract function
const sendMessage = (message) => {
const wallet = Wavelet.loadWalletFromPrivateKey('yourprivatekey');
contract.call(wallet, 'send_message', BigInt(0), BigInt(250000), BigInt(0), {
type: 'string',
value: message
});
}

return (


Balance: {account ? account.balance : 'account not loaded'}
Public Key: {account ? account.pulic_key : 'account not loaded'}
sendMessage('Yo')} />


)
}
```

You can use `contract` and `client` objects in the same way as documented in the [wavelet-client-js docs](https://github.com/perlin-network/wavelet-client-js)