/*public Transaction SignTransaction(JObject t)
* {
* Transaction tr = new Transaction();
*
* try
* {
* tr.From = ByteArrayHelpers.FromHexString(addr);
* tr.To = Convert.FromBase64String(t["to"].ToString());
* tr.IncrementId = t["incr"].ToObject<ulong>();
* tr.MethodName = t["method"].ToObject<string>();
* var p = Convert.FromBase64String(t["params"].ToString());
* tr.Params = p.Length == 0 ? null : p;
*
* SignTransaction(tr);
*
* return tr;
* }
* catch (Exception e)
* {
* ;
* }
*
* return null;
* }*/
public Transaction SignTransaction(Transaction tx)
{
string addr = tx.From.Value.ToHex(true);
ECKeyPair kp = _keyStore.GetAccountKeyPair(addr);
if (kp == null)
{
throw new AccountLockedException(addr);
}
MemoryStream ms = new MemoryStream();
Serializer.Serialize(ms, tx);
byte[] b = ms.ToArray();
byte[] toSig = SHA256.Create().ComputeHash(b);
// Sign the hash
ECSigner signer = new ECSigner();
ECSignature signature = signer.Sign(kp, toSig);
// Update the signature
tx.Sig = new Signature {
R = signature.R, S = signature.S, P = kp.PublicKey.Q.GetEncoded()
};
return(tx);
}
private Transaction ConvertFromJson(JObject j)
{
try
{
Transaction tr = new Transaction();
tr.From = ByteArrayHelpers.FromHexString(j["from"].ToString());
tr.To = ByteArrayHelpers.FromHexString(j["to"].ToString());
tr.MethodName = j["method"].ToObject <string>();
return(tr);
}
catch (Exception e)
{
throw new InvalidTransactionException();
}
}
private Transaction CreateTransaction(string elementAt, string genesisAddress,
string methodName, byte[] serializedParams, TransactionType contracttransaction)
{
try
{
Transaction t = new Transaction();
t.From = ByteArrayHelpers.FromHexString(elementAt);
t.To = ByteArrayHelpers.FromHexString(genesisAddress);
t.MethodName = methodName;
t.Params = serializedParams;
t.type = contracttransaction;
return(t);
}
catch (Exception e)
{
throw new InvalidTransactionException();
}
}
private string CallTransaction(Transaction tx)
{
MemoryStream ms = new MemoryStream();
Serializer.Serialize(ms, tx);
byte[] b = ms.ToArray();
string payload = b.ToHex();
var reqParams = new JObject {
["rawtx"] = payload
};
var req = JsonRpcHelpers.CreateRequest(reqParams, "call", 1);
// todo send raw tx
HttpRequestor reqhttp = new HttpRequestor(_rpcAddress);
string resp = reqhttp.DoRequest(req.ToString());
return(resp);
}
private void ProcessCommand(CmdParseResult parsedCmd, CliCommandDefinition def)
{
string error = def.Validate(parsedCmd);
if (!string.IsNullOrEmpty(error))
{
_screenManager.PrintError(error);
}
else
{
if (def is GetDeserializedResultCmd g)
{
try
{
var str = g.Validate(parsedCmd);
if (str != null)
{
_screenManager.PrintError(str);
return;
}
// RPC
var t = parsedCmd.Args.ElementAt(0);
var data = parsedCmd.Args.ElementAt(1);
byte[] sd;
try
{
sd = ByteArrayHelpers.FromHexString(data);
}
catch (Exception e)
{
_screenManager.PrintError("Wrong data formant.");
return;
}
object dd;
try
{
dd = Deserializer.Deserialize(t, sd);
}
catch (Exception e)
{
_screenManager.PrintError("Invalid data format");
return;
}
if (dd == null)
{
_screenManager.PrintError("Not supported type.");
return;
}
_screenManager.PrintLine(dd.ToString());
return;
}
catch (Exception e)
{
Console.WriteLine(e);
return;
}
}
if (def is LoadContractAbiCmd l)
{
error = l.Validate(parsedCmd);
if (!string.IsNullOrEmpty(error))
{
_screenManager.PrintError(error);
}
try
{
// RPC
HttpRequestor reqhttp = new HttpRequestor(_rpcAddress);
if (!parsedCmd.Args.Any())
{
if (_genesisAddress == null)
{
_screenManager.PrintError(ConnectionNeeded);
return;
}
parsedCmd.Args.Add(_genesisAddress);
//parsedCmd.Args.Add(Globals.GenesisBasicContract);
}
var addr = parsedCmd.Args.ElementAt(0);
Module m = null;
if (!_loadedModules.TryGetValue(addr, out m))
{
string resp = reqhttp.DoRequest(def.BuildRequest(parsedCmd).ToString());
if (resp == null)
{
_screenManager.PrintError(ServerConnError);
return;
}
if (resp.IsEmpty())
{
_screenManager.PrintError(NoReplyContentError);
return;
}
JObject jObj = JObject.Parse(resp);
var res = JObject.FromObject(jObj["result"]);
JToken ss = res["abi"];
byte[] aa = ByteArrayHelpers.FromHexString(ss.ToString());
MemoryStream ms = new MemoryStream(aa);
m = Serializer.Deserialize <Module>(ms);
_loadedModules.Add(addr, m);
}
var obj = JObject.FromObject(m);
_screenManager.PrintLine(obj.ToString());
}
catch (Exception e)
{
if (e is JsonReaderException)
{
_screenManager.PrintError(WrongInputFormat);
return;
}
return;
}
return;
}
if (def is DeployContractCommand dcc)
{
if (_genesisAddress == null)
{
_screenManager.PrintError(NotConnected);
return;
}
try
{
string err = dcc.Validate(parsedCmd);
if (!string.IsNullOrEmpty(err))
{
_screenManager.PrintLine(err);
return;
}
//string cat = parsedCmd.Args.ElementAt(0);
string filename = parsedCmd.Args.ElementAt(0);
// Read sc bytes
SmartContractReader screader = new SmartContractReader();
byte[] sc = screader.Read(filename);
string hex = sc.ToHex();
var name = GlobalConfig.GenesisBasicContract;
Module m = _loadedModules.Values.FirstOrDefault(ld => ld.Name.Equals(name));
if (m == null)
{
_screenManager.PrintError(AbiNotLoaded);
return;
}
Method meth = m.Methods.FirstOrDefault(mt => mt.Name.Equals(DeploySmartContract));
if (meth == null)
{
_screenManager.PrintError(MethodNotFound);
return;
}
byte[] serializedParams = meth.SerializeParams(new List <string> {
"1", hex
});
Transaction t = new Transaction();
t = CreateTransaction(parsedCmd.Args.ElementAt(2), _genesisAddress,
DeploySmartContract, serializedParams, TransactionType.ContractTransaction);
t = t.AddBlockReference(_rpcAddress);
MemoryStream ms = new MemoryStream();
Serializer.Serialize(ms, t);
byte[] b = ms.ToArray();
byte[] toSig = SHA256.Create().ComputeHash(b);
ECSigner signer = new ECSigner();
ECSignature signature;
ECKeyPair kp = _accountManager.GetKeyPair(parsedCmd.Args.ElementAt(2));
if (kp == null)
{
throw new AccountLockedException(parsedCmd.Args.ElementAt(2));
}
signature = signer.Sign(kp, toSig);
// Update the signature
t.Sig = new Signature {
R = signature.R, S = signature.S, P = kp.PublicKey.Q.GetEncoded()
};
var resp = SignAndSendTransaction(t);
if (resp == null)
{
_screenManager.PrintError(ServerConnError);
return;
}
if (resp.IsEmpty())
{
_screenManager.PrintError(NoReplyContentError);
return;
}
JObject jObj = JObject.Parse(resp);
string toPrint = def.GetPrintString(JObject.FromObject(jObj["result"]));
_screenManager.PrintLine(toPrint);
return;
}
catch (Exception e)
{
if (e is ContractLoadedException || e is AccountLockedException)
{
_screenManager.PrintError(e.Message);
return;
}
if (e is InvalidTransactionException)
{
_screenManager.PrintError(InvalidTransaction);
return;
}
if (e is JsonReaderException)
{
_screenManager.PrintError(WrongInputFormat);
return;
}
return;
}
}
// Execute
// 2 cases : RPC command, Local command (like account management)
if (def.IsLocal)
{
if (def is SendTransactionCmd c)
{
try
{
JObject j = JObject.Parse(parsedCmd.Args.ElementAt(0));
Transaction tr;
tr = ConvertFromJson(j);
string hex = tr.To.Value.ToHex();
Module m = null;
if (!_loadedModules.TryGetValue(hex.Replace("0x", ""), out m))
{
if (!_loadedModules.TryGetValue("0x" + hex.Replace("0x", ""), out m))
{
_screenManager.PrintError(AbiNotLoaded);
return;
}
}
Method method = m.Methods?.FirstOrDefault(mt => mt.Name.Equals(tr.MethodName));
if (method == null)
{
_screenManager.PrintError(MethodNotFound);
return;
}
JArray p = j["params"] == null ? null : JArray.Parse(j["params"].ToString());
tr.Params = j["params"] == null ? null : method.SerializeParams(p.ToObject <string[]>());
tr.type = TransactionType.ContractTransaction;
tr = tr.AddBlockReference(_rpcAddress);
_accountManager.SignTransaction(tr);
var resp = SignAndSendTransaction(tr);
if (resp == null)
{
_screenManager.PrintError(ServerConnError);
return;
}
if (resp.IsEmpty())
{
_screenManager.PrintError(NoReplyContentError);
return;
}
JObject jObj = JObject.Parse(resp);
string toPrint = def.GetPrintString(JObject.FromObject(jObj["result"]));
_screenManager.PrintLine(toPrint);
}
catch (Exception e)
{
if (e is AccountLockedException || e is InvalidTransactionException ||
e is InvalidInputException)
{
_screenManager.PrintError(e.Message);
}
if (e is JsonReaderException || e is FormatException)
{
_screenManager.PrintError(WrongInputFormat);
return;
}
}
}
else if (def is CallReadOnlyCmd)
{
JObject j = JObject.Parse(parsedCmd.Args.ElementAt(0));
Transaction tr;
tr = ConvertFromJson(j);
string hex = tr.To.Value.ToHex();
Module m = null;
if (!_loadedModules.TryGetValue(hex.Replace("0x", ""), out m))
{
if (!_loadedModules.TryGetValue("0x" + hex.Replace("0x", ""), out m))
{
_screenManager.PrintError(AbiNotLoaded);
return;
}
}
Method method = m.Methods?.FirstOrDefault(mt => mt.Name.Equals(tr.MethodName));
if (method == null)
{
_screenManager.PrintError(MethodNotFound);
return;
}
JArray p = j["params"] == null ? null : JArray.Parse(j["params"].ToString());
tr.Params = j["params"] == null ? null : method.SerializeParams(p.ToObject <string[]>());
var resp = CallTransaction(tr);
if (resp == null)
{
_screenManager.PrintError(ServerConnError);
return;
}
if (resp.IsEmpty())
{
_screenManager.PrintError(NoReplyContentError);
return;
}
JObject jObj = JObject.Parse(resp);
string toPrint = def.GetPrintString(JObject.FromObject(jObj["result"]));
_screenManager.PrintLine(toPrint);
}
else if (def is AccountCmd)
{
_accountManager.ProcessCommand(parsedCmd);
}
else if (def is CertificateCmd)
{
_certificatManager.ProcCmd(parsedCmd);
}
}
else
{
try
{
// RPC
HttpRequestor reqhttp = new HttpRequestor(_rpcAddress);
string resp = reqhttp.DoRequest(def.BuildRequest(parsedCmd).ToString(), def.GetUrl());
if (resp == null)
{
_screenManager.PrintError(ServerConnError);
return;
}
if (resp.IsEmpty())
{
_screenManager.PrintError(NoReplyContentError);
return;
}
JObject jObj = JObject.Parse(resp);
var j = jObj["result"];
if (j["error"] != null)
{
_screenManager.PrintLine(j["error"].ToString());
return;
}
if (j["result"]?["BasicContractZero"] != null)
{
_genesisAddress = j["result"]["BasicContractZero"].ToString();
}
string toPrint = def.GetPrintString(JObject.FromObject(j));
_screenManager.PrintLine(toPrint);
}
catch (Exception e)
{
if (e is UriFormatException)
{
_screenManager.PrintError(UriFormatEroor);
return;
}
if (e is JsonReaderException)
{
_screenManager.PrintError(WrongInputFormat);
return;
}
}
}
}
}