extern public static void create_key_pairs_shp(ref PrivateKeyHelpInfo privatehelper,
ref WalletAddrHelpInfo addrhelper, ref Keypairs result);
extern public static string sign_message_shp([MarshalAs(UnmanagedType.LPStr)] String strAddress, [MarshalAs(UnmanagedType.LPStr)] String strMessage,
ref PrivateKeyHelpInfo privatehelper, ref WalletAddrHelpInfo addrhelper);
extern public static int verify_message_shp([MarshalAs(UnmanagedType.LPStr)] String strAddress, [MarshalAs(UnmanagedType.LPStr)] String strSign,
[MarshalAs(UnmanagedType.LPStr)] String strMessage, ref WalletAddrHelpInfo addrhelper);
extern public static string create_asset_send_tx_shp([MarshalAs(UnmanagedType.LPStr)] String toAddr, double quantity,
[MarshalAs(UnmanagedType.LPStr)] String issueTxid, int multiple, [MarshalAs(UnmanagedType.LPStr)] String unspentScriptPubKey,
[MarshalAs(UnmanagedType.LPStr)] String unspentTxid, uint unspentVout, double unspentQty, [MarshalAs(UnmanagedType.LPStr)] String unspentRedeemScript,
[MarshalAs(UnmanagedType.LPStr)] String privateKey,
ref PrivateKeyHelpInfo privatehelper, ref WalletAddrHelpInfo addrhelper);
