private static byte[] SignData(FiscoTransModel trans, ECKeyPair key) { byte[][] b = new byte[10][]; b[0] = trans.data.AccountNonce; b[1] = LibraryHelper.FromBigInteger(trans.data.Price); b[2] = LibraryHelper.FromBigInteger(trans.data.GasLimit); b[3] = LibraryHelper.FromBigInteger(trans.data.BlockLimit); b[4] = trans.data.Recipient; b[5] = trans.data.Amount == null ? null : LibraryHelper.FromBigInteger(trans.data.Amount); b[6] = trans.data.Payload; b[7] = LibraryHelper.FromBigInteger(trans.data.ChainID); b[8] = LibraryHelper.FromBigInteger(trans.data.GroupID); b[9] = trans.data.ExtraData; var txb = Nethereum.RLP.RLP.EncodeElementsAndList(b); if (trans.smcrypto) { BigInteger r, s; SM2Utils.Sign(SM2Utils.SM3Hash(txb), key.prik, out r, out s); trans.data.R = LibraryHelper.FromBigInteger(r); trans.data.S = LibraryHelper.FromBigInteger(s); var pub1 = key.pubk.Q.XCoord.GetEncoded(); var pub2 = key.pubk.Q.YCoord.GetEncoded(); byte[] v = new byte[pub1.Length + pub2.Length]; Array.Copy(pub1, 0, v, 0, pub1.Length); Array.Copy(pub2, 0, v, pub1.Length, pub2.Length); Console.WriteLine(string.Format("sign.V:{0}", Hex.ToHexString(v))); trans.data.V = v; } else { var bytes = EthUtils.ConvertSHA256byte(txb); var sign = EthUtils.Sign(bytes, key.prik); trans.data.R = sign.Item1; trans.data.S = sign.Item2; trans.data.V = sign.Item3; } byte[][] si = new byte[b.Length + 3][]; Array.Copy(b, 0, si, 0, b.Length); si[b.Length] = trans.data.V; si[b.Length + 1] = trans.data.R; si[b.Length + 2] = trans.data.S; var txs = Nethereum.RLP.RLP.EncodeElementsAndList(si); return(txs); }