webSocket
The webSocket Transport connects to a JSON-RPC API via a WebSocket. Wraps Viem's webSocket Transport.
Import
import { webSocket } from '@wagmi/core'import { webSocket } from '@wagmi/core'Usage
import {
createConfig,
webSocket
} from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'
export const config = createConfig({
chains: [mainnet, sepolia],
connectors: [injected()],
transports: {
[mainnet.id]: webSocket('wss://eth-mainnet.g.alchemy.com/v2/...'),
[sepolia.id]: webSocket('wss://eth-sepolia.g.alchemy.com/v2/...'),
},
})import {
createConfig,
webSocket
} from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'
export const config = createConfig({
chains: [mainnet, sepolia],
connectors: [injected()],
transports: {
[mainnet.id]: webSocket('wss://eth-mainnet.g.alchemy.com/v2/...'),
[sepolia.id]: webSocket('wss://eth-sepolia.g.alchemy.com/v2/...'),
},
})WARNING
If no URL is provided, then the transport will fall back to a public RPC URL on the chain. It is highly recommended to provide an authenticated RPC URL to prevent rate-limiting.
Parameters
url
string
URL of the JSON-RPC API.
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...')const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...')key (optional)
string
A key for the Transport. Defaults to "webSocket".
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
key: 'alchemy',
})const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
key: 'alchemy',
})name (optional)
string
A name for the Transport. Defaults to "WebSocket JSON-RPC".
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
name: 'Alchemy WebSocket Provider',
})const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
name: 'Alchemy WebSocket Provider',
})retryCount (optional)
number
The max number of times to retry when a request fails. Defaults to 3.
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
retryCount: 5,
})const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
retryCount: 5,
})retryDelay (optional)
number
The base delay (in ms) between retries. By default, the Transport will use exponential backoff (~~(1 << count) * retryDelay), which means the time between retries is not constant.
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
retryDelay: 100,
})const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
retryDelay: 100,
})timeout (optional)
number
The timeout for async WebSocket requests. Defaults to 10_000.
const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
timeout: 60_000,
})const transport = webSocket('wss://eth-mainnet.g.alchemy.com/v2/...', {
timeout: 60_000,
})