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EVM-Compatible Networks

Using Ethers.js or Web3.js with the Wepin Provider allows you to interact with EVM-compatible blockchain networks.

Supported Networks

Installation

First, import @wepin/widget-sdk and @wepin/provider into your peoject.

// You must import the widget-sdk first.
import '@wepin/widget-sdk'
import '@wepin/provider'

Initialize Web3.js

First, initialize Wepin, then obtain the provider to initialize web3.js.

// Import the web3.js first.
import Web3 from 'web3';

const appId = 'app_id_eg12sf3491azgs520' // Test App ID
const appKey = 'ak_test_ghq1D5s1sfG234sbnhdsw24mnovk313' // Test App Key
const attributes = {
	type: 'show'
}
// Initialize Wepin
await Wepin.init(appId, appKey, attributes)
// Obtain the provider from the initialized Wepin.
const provider = Wepin.getProvider({ network: 'ethereum' });

// Initialize web3 using the Wepin provider.
const web3 = new Web3(provider)

Methods

Get Accounts

Through the initialized web3, you can retrieve account information.

const accounts = await web3.eth.getAccounts()

Get Balance

Using the account information, you can query the balance.

const balance = await web3.eth.getBalance(accounts[0])

You can refer to the link below to query not only the balance but also fee information, block number, etc.

Send Transaction

You can send transactions.

const accounts = await web3.eth.getAccounts()
const tx = {
    from: accounts[0],
    gasPrice: "2000000000",
    gas: "21000",
    to: '0x11f4d0A3c1......13F7E19D048276DAe',
    value: "10000000000000000",
}
const response = await web3.eth.sendTransaction(tx)

Contract Call

You can perform contract calls.

const callObject = {
	to: '0x11f4d0A3c12e86B4b5F39B213F7E19D048276DAe', //contract address
	data: '0xc6888fa10000000000000000000000000000000000000000000000000000000000000003'
}
const response = await web3.eth.call(callObject)

For more details on the Ethereum-compatible network provider, please refer to the link below.

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