getChainId
Action for getting current chain ID.
Import
ts
import { getChainId } from '@wagmi/core'
Usage
ts
import { getChainId } from '@wagmi/core'
import { config } from './config'
const chainId = getChainId(config)
ts
import { http, createConfig } from '@wagmi/core'
import { mainnet, sepolia } from '@wagmi/core/chains'
export const config = createConfig({
chains: [mainnet, sepolia],
transports: {
[mainnet.id]: http(),
[sepolia.id]: http(),
},
})
Return Type
ts
import { type GetChainIdReturnType } from '@wagmi/core'
number
Current chain ID from config.state.chainId
.
INFO
Only returns chain IDs for chains configured via createConfig
's chains
parameter.
If the active connection chainId
is not from a chain included in your Wagmi Config
, getChainId
will return the last configured chain ID.