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useChain

Hook to read the currently active chain ID and chain namespace.

Import​

import { useChain } from '@web3auth/modal/react'

Usage​

import { CHAIN_NAMESPACES } from '@web3auth/modal'
import { useChain } from '@web3auth/modal/react'

function ActiveChain() {
  const { chainId, chainNamespace } = useChain()

  return (
    <div>
      <div>Chain ID: {chainId}</div>
      <div>Namespace: {chainNamespace}</div>
      {chainNamespace === CHAIN_NAMESPACES.SOLANA && <div>Solana chain is active</div>}
    </div>
  )
}

Return type​

import { type IUseChain } from '@web3auth/modal/react'

chainId​

string | null

Chain ID of the currently active chain.

chainNamespace​

ChainNamespaceType | null

Chain namespace of the currently active chain (for example, eip155 or solana).

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