verifyMessage
Verify that a message was signed by the provided address.
💡 Why should I use this over the verifyMessage util?
This Action supports verifying messages that were signed by either a Smart Contract Account or Externally Owned Account. The verifyMessage util only supports Externally Owned Accounts. This is getting increasingly important as more wallets implement Account Abstraction.
Usage
ts
import { account, walletClient, publicClient } from './client'
const signature = await walletClient.signMessage({
account,
message: 'hello world',
})
const valid = await publicClient.verifyMessage({
address: account.address,
message: 'hello world',
signature,
})
// true
ts
import { createPublicClient, http } from 'viem'
import { mainnet } from 'viem/chains'
export const publicClient = createPublicClient({
chain: mainnet,
transport: http()
})
export const walletClient = createWalletClient({
transport: custom(window.ethereum)
})
// JSON-RPC Account
export const [account] = await walletClient.getAddresses()
// Local Account
export const account = privateKeyToAccount(...)
Returns
boolean
Wheather the signed message is valid for the given address.
Parameters
address
- Type:
Address
The Ethereum address that signed the original message.
ts
const valid = await verifyMessage({
address: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
message: 'hello world',
signature:
'0x66edc32e2ab001213321ab7d959a2207fcef5190cc9abb6da5b0d2a8a9af2d4d2b0700e2c317c4106f337fd934fbbb0bf62efc8811a78603b33a8265d3b8f8cb1c',
})
message
- Type:
string
The message to be verified.
ts
const valid = await verifyMessage({
address: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
message: 'hello world',
signature:
'0x66edc32e2ab001213321ab7d959a2207fcef5190cc9abb6da5b0d2a8a9af2d4d2b0700e2c317c4106f337fd934fbbb0bf62efc8811a78603b33a8265d3b8f8cb1c',
})
signature
- Type:
Hex | ByteArray
The signature that was generated by signing the message with the address's signer.
ts
const valid = await verifyMessage({
address: '0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266',
message: 'hello world',
signature:
'0x66edc32e2ab001213321ab7d959a2207fcef5190cc9abb6da5b0d2a8a9af2d4d2b0700e2c317c4106f337fd934fbbb0bf62efc8811a78603b33a8265d3b8f8cb1c',
})
JSON-RPC Method
eth_call to a deployless universal signature validator contract.