Web3.js Adapter for Wagmi: Documenation

docs/docs/guides/wagmi_usage/_category_.yml

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+label: '🔄 Wagmi usage'
+collapsible: true
+collapsed: true
+link: null
+position: 11

docs/docs/guides/wagmi_usage/wagmi.md

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+---
+sidebar_position: 1
+sidebar_label: 'Wagmi Web3js Adaptor'
+title: 'Wagmi Web3js Adaptor'
+---
+
+If you're using [Wagmi](https://wagmi.sh/react/getting-started#use-wagmi) and want to add web3.js, use this provider in your project:
+
+
+```typescript
+import {Web3} from 'web3'
+import {useMemo} from 'react'
+import type {Chain, Client, Transport} from 'viem'
+import {type Config, useClient, useConnectorClient} from 'wagmi'
+
+export function clientToWeb3js(client?: Client<Transport, Chain>) {
+    if (!client) {
+        return new Web3()
+    }
+
+    const {transport} = client
+
+    if (transport.type === 'fallback') {
+        return new Web3(transport.transports[0].value.url)
+    }
+    return new Web3(transport)
+}
+
+/** Action to convert a viem Client to a web3.js Instance. */
+export function useWeb3js({chainId}: { chainId?: number } = {}) {
+    const client = useClient<Config>({chainId})
+    return useMemo(() => clientToWeb3js(client), [client])
+}
+
+/** Action to convert a viem ConnectorClient to a web3.js Instance. */
+export function useWeb3jsSigner({chainId}: { chainId?: number } = {}) {
+    const {data: client} = useConnectorClient<Config>({chainId})
+    return useMemo(() => clientToWeb3js(client), [client])
+}
+```
+
+Get block data example:
+
+```typescript
+import {useWeb3js} from '../web3/useWeb3js'
+import {mainnet} from 'wagmi/chains'
+import {useEffect, useState} from "react";
+
+type Block = {
+    hash: string
+    extraData: string
+    miner: string
+
+}
+
+function Block() {
+    const web3js = useWeb3js({chainId: mainnet.id})
+    const [block, setBlock] = useState<Block>()
+
+    useEffect(() => {
+        web3js.eth.getBlock(19235006).then((b) => {
+            setBlock(b as Block)
+        }).catch(console.error)
+    }, [setBlock]);
+
+
+    if (!block) return (<div>Loading...</div>)
+
+    return (
+        <>
+            <div id='hash'>{block.hash}</div>
+            <div id='extraData'>{block.extraData}</div>
+            <div id='miner'>{block.miner}</div>
+
+        </>
+)
+}
+
+export default Block
+
+```
+
+Send transaction example:
+
+```typescript
+import {mainnet} from 'wagmi/chains'
+import {useAccount, useConnect} from "wagmi";
+import {useWeb3jsSigner} from "../web3/useWeb3js";
+import {useEffect} from "react";
+
+function SendTransaction() {
+    const account = useAccount()
+    const {connectors, connect,} = useConnect()
+    const web3js = useWeb3jsSigner({chainId: mainnet.id})
+
+    useEffect(() => {
+        if (account && account.address) {
+            web3js.eth.sendTransaction({
+                from: account.address,
+                to: '0x', // some address
+                value: '0x1' // set your value
+            }).then(console.log).catch(console.error)
+        }
+    }, [account])
+
+    return (
+        <>
+            {connectors.map((connector) => (
+                <button
+                    key={connector.uid}
+                    onClick={() => connect({connector})}
+                    type="button"
+                >
+                    {connector.name}
+                </button>
+            ))}
+        </>
+    )
+}
+
+export default SendTransaction
+
+```
+
+
+:::tip
+[This repository](https://github.com/avkos/wagmi-web3js-example-app) contains an example Wagmi app that demonstrates how to interact with the Ethereum blockchain using the web3.js library
+:::