switchChain
Function to switch blockchain networks with Web3Auth.
Usage
await web3auth.switchChain({ chainId: '0xaa36a7' })
Parameters
- Table
- Function Definition
Parameter | Description | Type | Required |
---|---|---|---|
{ chainId: string } | chainId of the chain to switch to, e.g { chainId: "0xaa36a7" } | Object | Yes |
async switchChain(params: { chainId: string }): Promise<void> {
if (this.status !== ADAPTER_STATUS.CONNECTED || !this.connectedAdapterName) throw WalletLoginError.notConnectedError(`No wallet is connected`);
return this.walletAdapters[this.connectedAdapterName].switchChain(params);
}
Example
switchChain.js
// Initialize Web3Auth first
// ...
// Switch to Sepolia Testnet
try {
await web3auth.switchChain({ chainId: '0xaa36a7' })
console.log('Successfully switched to Sepolia Testnet')
} catch (error) {
console.error('Error switching chain:', error)
}
// Later, switch to Ethereum Mainnet
try {
await web3auth.switchChain({ chainId: '0x1' })
console.log('Successfully switched to Ethereum Mainnet')
} catch (error) {
console.error('Error switching chain:', error)
}