Referencia de la API

interface AptosAccountInfo {
  address: string    // Hex address with 0x prefix
  publicKey: string  // Ed25519 public key
}

interface AptosNetwork {
  name: string       // Network name
  chainId: number    // Chain ID
  url: string        // RPC URL
}

interface SignMessageRequest {
  message: string    // Message to sign
  nonce: number      // Required by the direct provider API
  address?: boolean  // Include address in message
  application?: boolean // Include app info
  chainId?: boolean  // Include chain ID
}

interface SignMessageResponse {
  signature: string     // Hex signature
  fullMessage: string   // Complete signed message
  prefix: string        // APTOS prefix
  address?: string      // Signer address
  application?: string  // Application info
  chainId?: number      // Chain ID
  nonce: number         // Nonce used
}

interface TransactionPayload {
  type: 'entry_function_payload' | 'script_payload' | 'module_bundle_payload'
  function: string       // Module::function format
  type_arguments: string[]
  arguments: any[]
}

interface SignTransactionV2Params {
  transaction: string        // BCS serialized transaction
  transactionType: 'simple' | 'multi_agent'
  asFeePayer?: boolean       // Sign as fee payer
}