Function sign

sign(
    message: string,
    identity: Identity,
    network?: BTC_NETWORK,
): Promise<string>
Sign a message using the BIP-322 simple signature scheme.

Constructs the standard BIP-322 toSpend and toSign transactions, signs via the Identity interface, and returns the base64-encoded witness stack.
Parameters
- message: string
  The message to sign
- identity: Identity
  Identity instance (holds the private key internally)
- Optionalnetwork: BTC_NETWORK
  Optional Bitcoin network for P2TR address derivation
Returns Promise<string>
Base64-encoded BIP-322 simple signature (witness stack)
- Defined in bip322/index.ts:59