Account.sign

Extracts a signing key from a delegated account and signs a payload. This function handles both private key accounts and Porto accounts with multiple keys.

Usage

import { Account, Key } from 'porto/viem'
 
const passkey = await Key.createWebAuthnP256({
  label: 'My Passkey',
})
 
const account = Account.from({
  address: '0x742d35Cc6634C0532925a3b8D2c88F65b5c92B23',
  keys: [passkey],
})
 
const signature = await Account.sign(account, { 
  payload: '0x1234567890abcdef...', 
}) 

Parameters

account

• Type: Account

The Porto Account to sign with.

parameters

Signing parameters.

parameters.key

• Type: number | Key.Key | null | undefined

The key to sign the payload with.

parameters.payload

• Type: Hex.Hex

The payload to sign.

parameters.role

• Type: "admin" | "session" | undefined

The role of the key to sign the payload with.

parameters.storage

• Type: Storage.Storage | undefined

The storage to use for keytype-specific caching (e.g. WebAuthn user verification).

Return Value

type ReturnValue = Promise<`0x${string}`>

Returns a Promise that resolves to the signature as a hex string.