/// <summary>
/// Creates and signs a "Send to" operation without checking information and without transfering to the network. It's usefull for "cold wallets" that are off-line (not synchronized with the network) and only holds private keys
/// </summary>
/// <param name="sender">Sender account</param>
/// <param name="target">Target account</param>
/// <param name="sender_enc_pubkey">HEXASTRING - Public key of the sender account in encoded format</param>
/// <param name="sender_b58_pubkey">HEXASTRING - Public key of the sender account in base58 format</param>
/// <param name="target_enc_pubkey">HEXASTRING - Public key of the target account in encoded format</param>
/// <param name="target_b58_pubkey">HEXASTRING - Public key of the target account in base58 format</param>
/// <param name="last_n_operation">Last value of n_operation obtained with an Account object, for example when called to getaccount</param>
/// <param name="amount">Coins to be transferred</param>
/// <param name="fee">Fee of the operation</param>
/// <param name="payload">Payload "item" that will be included in this operation</param>
/// <param name="payloadMethod">Encode type of the item payload</param>
/// <param name="pwd">Used to encrypt payload with aes as a payload_method. If none equals to empty password</param>
/// <param name="rawoperations">HEXASTRING (optional) - If we want to add a sign operation with other previous operations, here we must put previous rawoperations result</param>
/// <remarks>Wallet must be unlocked and sender private key (searched with provided public key) must be in wallet. No other checks are made (no checks for valid target, valid n_operation, valid amount or fee ...)</remarks>
/// <remarks>Only one of sender_enc_pubkey, sender_b58_pubkey needs be provided</remarks>
/// <remarks>Only one of target_enc_pubkey, target_b58_pubkey needs be provided</remarks>
/// <returns>Returns a Raw Operations Object</returns>
public static Task <RawOperation> SignSendToAsync(this IPascalCoinClient client, uint sender, uint target, string sender_enc_pubkey, string sender_b58_pubkey, string target_enc_pubkey, string target_b58_pubkey, uint last_n_operation, decimal amount, decimal fee, byte[] payload = null, PayloadEncryptionMethod?payloadMethod = null, string pwd = null, string rawoperations = null)
{
return(Task.Run(() => client.SignSendTo(sender, target, sender_enc_pubkey, sender_b58_pubkey, target_enc_pubkey, target_b58_pubkey, last_n_operation, amount, fee, payload, payloadMethod, pwd, rawoperations)));
}