How to Integrate with the Celo Blockchain with Magic
How to Integrate with the Celo Blockchain with Magic
Celo implementation guide
How to use Magic with the Celo blockchain
#Resources
#Installation
Via Magic SDK, you can interact with Celo.
note
You can skip straight to our kitchen sink example directly:
👉 Celo Example
#NPM
npm install --save magic-sdk
npm install --save @celo/contractkit
#Yarn
yarn add magic-sdk
yarn add @celo/contractkit
#Send Transaction
#Getting Test CELO token
Before you can send transaction on the Celo blockchain, you'll need to acquire some test CELO token (Celo's native cryptocurrency for test network).
- Go to our Celo Example application
- Login with your email address
- Copy your Celo public address
- Go to the Celo Faucet
- Paste your copied Celo public address in the text input
- Now you can use your test CELO token in our Celo Example
#Use Magic Rpc Provider
ES Modules/TypeScript
import { Magic } from 'magic-sdk';
import { newKitFromWeb3 } from '@celo/contractkit';
import Web3 from 'web3';
const magic = new Magic('YOUR_API_KEY', {
network: {
rpcUrl: 'https://alfajores-forno.celo-testnet.org',
},
});
const web3 = new Web3(magic.rpcProvider);
const kit = newKitFromWeb3(web3);
const { publicAddress } = await magic.user.getMetadata();
kit.defaultAccount = publicAddress;
const oneGold = kit.web3.utils.toWei('1', 'ether');
const tx = await kit.sendTransaction({
from: publicAddress,
to: 'Destination Address',
value: oneGold,
gasPrice: 1000000000,
});
const hash = await tx.getHash();
const receipt = await tx.waitReceipt();
console.log('transaction result: ', hash, receipt);
#Smart Contract
Getting Test CELO token
Before you can send transaction on the Celo blockchain, you'll need to acquire some test CELO token (Celo's native cryptocurrency for test network).
- Go to our Celo Example application
- Login with your email address
- Copy your Celo public address
- Go to the Celo Faucet
- Paste your copied Celo public address in the text input
- Now you can use your test CELO token in our Celo Example
Contract Send
ES Modules/TypeScript
import { Magic } from 'magic-sdk';
import { newKitFromWeb3 } from '@celo/contractkit';
import Web3 from 'web3';
const magic = new Magic('YOUR_API_KEY', {
network: {
rpcUrl: 'https://alfajores-forno.celo-testnet.org',
},
});
const contractAddress = '0xcf71aB733148F70647129F3006E92439d11946A9';
const abi = [
{
constant: true,
inputs: [],
name: 'getName',
outputs: [
{
internalType: 'string',
name: '',
type: 'string',
},
],
payable: false,
stateMutability: 'view',
type: 'function',
},
{
constant: false,
inputs: [
{
internalType: 'string',
name: 'newName',
type: 'string',
},
],
name: 'setName',
outputs: [],
payable: false,
stateMutability: 'nonpayable',
type: 'function',
},
];
const { publicAddress } = await magic.user.getMetadata();
const web3 = new Web3(magic.rpcProvider);
const kit = newKitFromWeb3(web3);
let instance = new web3.eth.Contract(abi, contractAddress);
const txObject = await instance.methods.setName('new name');
let tx = await kit.sendTransactionObject(txObject, { from: publicAddress, gasPrice: 1000000000 });
const hash = await tx.getHash();
let receipt = await tx.waitReceipt();
console.log('contract send result: ', hash, receipt);
