//拼交易体
static Transaction makeTran(Dictionary <string, List <Utxo> > dir_utxos, string[] targetaddrs, ThinNeo.Hash256 assetid, decimal sendcount)
{
if (!dir_utxos.ContainsKey(assetid.ToString()))
{
throw new Exception("no enough money.");
}
List <Utxo> utxos = dir_utxos[assetid.ToString()];
var tran = new Transaction();
tran.type = TransactionType.ContractTransaction;
tran.version = 0;//0 or 1
tran.extdata = null;
tran.attributes = new ThinNeo.Attribute[0];
utxos.Sort((a, b) =>
{
if (a.value > b.value)
{
return(1);
}
else if (a.value < b.value)
{
return(-1);
}
else
{
return(0);
}
});
//十进制小数
decimal count = decimal.Zero;
string scraddr = "";
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
for (var i = 0; i < utxos.Count; i++)
{
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos[i].txid;
input.index = (ushort)utxos[i].n;
list_inputs.Add(input);
count += utxos[i].value;
scraddr = utxos[i].addr;
if (count >= (sendcount))
{
break;
}
}
tran.inputs = list_inputs.ToArray();
if (count >= sendcount)//输入大于等于输出
{
List <ThinNeo.TransactionOutput> list_outputs = new List <ThinNeo.TransactionOutput>();
//输出
if (sendcount > decimal.Zero && targetaddrs.Length > 0)
{
foreach (string targetaddr in targetaddrs)
{
ThinNeo.TransactionOutput output = new ThinNeo.TransactionOutput();
output.assetId = assetid;
output.value = sendcount;
output.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(targetaddr);
list_outputs.Add(output);
}
}
//找零
var change = count - sendcount;
if (change > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr);
outputchange.value = change;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
}
tran.outputs = list_outputs.ToArray();
}
else
{
throw new Exception("no enough money.");
}
return(tran);
}
public static ThinNeo.Transaction makeGasTran(ref List <Utxo> list_Gas, Dictionary <string, string> usedUtxoDic, Hash256 assetid, decimal gasfee)
{
var tran = new ThinNeo.Transaction();
tran.type = ThinNeo.TransactionType.ContractTransaction;
tran.version = 0;//0 or 1
tran.attributes = new ThinNeo.Attribute[0];
var scraddr = "";
decimal count = decimal.Zero;
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
for (var i = list_Gas.Count - 1; i >= 0; i--)
{
if (usedUtxoDic.ContainsKey(list_Gas[i].txid.ToString() + list_Gas[i].n))
{
continue;
}
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = list_Gas[i].txid;
input.index = (ushort)list_Gas[i].n;
list_inputs.Add(input);
count += list_Gas[i].value;
scraddr = list_Gas[i].addr;
list_Gas.Remove(list_Gas[i]);
if (count >= gasfee)
{
break;
}
}
tran.inputs = list_inputs.ToArray();
if (count >= gasfee)//输入大于等于输出
{
List <ThinNeo.TransactionOutput> list_outputs = new List <ThinNeo.TransactionOutput>();
//输出
//if (gasfee > decimal.Zero && targetaddr != null)
//{
// ThinNeo.TransactionOutput output = new ThinNeo.TransactionOutput();
// output.assetId = assetid;
// output.value = gasfee;
// output.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(targetaddr);
// list_outputs.Add(output);
//}
//找零
var change = count - gasfee;
if (change > decimal.Zero)
{
decimal splitvalue = (decimal)0.01;
int i = 0;
while (change > splitvalue && list_Gas.Count - 10 < usedUtxoDic.Count)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr);
outputchange.value = splitvalue;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
change -= splitvalue;
i += 1;
if (i > 50)
{
break;
}
}
if (change > 0)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr);
outputchange.value = change;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
}
}
tran.outputs = list_outputs.ToArray();
}
else
{
throw new Exception("no enough money.");
}
return(tran);
}
public void Deserialize(System.IO.Stream ms)
{
//参考源码来自
// https://github.com/neo-project/neo
// Transaction.cs
// 源码采用c#序列化技术
//参考源码2
// https://github.com/AntSharesSDK/antshares-ts
// Transaction.ts
// 采用typescript开发
this.type = (TransactionType)ms.ReadByte(); //读一个字节，交易类型
this.version = (byte)ms.ReadByte();
if (this.type == TransactionType.ContractTransaction) //每个交易类型有一些自己独特的处理
{
//ContractTransaction 就是最常见的合约交易，
//他没有自己的独特处理
extdata = null;
}
else if (this.type == TransactionType.InvocationTransaction)
{
extdata = new InvokeTransData();
}
else
{
throw new Exception("未编写针对这个交易类型的代码");
}
if (extdata != null)
{
extdata.Deserialize(this, ms);
}
//attributes
var countAttributes = readVarInt(ms);
this.attributes = new Attribute[countAttributes];
Console.WriteLine("countAttributes:" + countAttributes);
for (UInt64 i = 0; i < countAttributes; i++)
{
//读取attributes
byte[] attributeData;
var Usage = (TransactionAttributeUsage)ms.ReadByte();
if (Usage == TransactionAttributeUsage.ContractHash || Usage == TransactionAttributeUsage.Vote || (Usage >= TransactionAttributeUsage.Hash1 && Usage <= TransactionAttributeUsage.Hash15))
{
attributeData = new byte[32];
ms.Read(attributeData, 0, 32);
}
else if (Usage == TransactionAttributeUsage.ECDH02 || Usage == TransactionAttributeUsage.ECDH03)
{
attributeData = new byte[33];
attributeData[0] = (byte)Usage;
ms.Read(attributeData, 1, 32);
}
else if (Usage == TransactionAttributeUsage.Script)
{
attributeData = new byte[20];
ms.Read(attributeData, 0, 20);
}
else if (Usage == TransactionAttributeUsage.DescriptionUrl)
{
var len = (byte)ms.ReadByte();
attributeData = new byte[len];
ms.Read(attributeData, 0, len);
}
else if (Usage == TransactionAttributeUsage.Description || Usage >= TransactionAttributeUsage.Remark)
{
var len = (int)readVarInt(ms, 65535);
attributeData = new byte[len];
ms.Read(attributeData, 0, len);
}
else
{
throw new FormatException();
}
}
//inputs 输入表示基于哪些交易
var countInputs = readVarInt(ms);
Console.WriteLine("countInputs:" + countInputs);
this.inputs = new TransactionInput[countInputs];
for (UInt64 i = 0; i < countInputs; i++)
{
this.inputs[i] = new TransactionInput();
this.inputs[i].hash = new byte[32];
byte[] buf = new byte[2];
ms.Read(this.inputs[i].hash, 0, 32);
ms.Read(buf, 0, 2);
UInt16 index = (UInt16)(buf[1] * 256 + buf[0]);
this.inputs[i].index = index;
}
//outputes 输出表示最后有哪几个地址得到多少钱，肯定有一个是自己的地址,因为每笔交易都会把之前交易的余额清空,刨除自己,就是要转给谁多少钱
//这个机制叫做UTXO
var countOutputs = readVarInt(ms);
Console.WriteLine("countOutputs:" + countOutputs);
this.outputs = new TransactionOutput[countOutputs];
for (UInt64 i = 0; i < countOutputs; i++)
{
this.outputs[i] = new TransactionOutput();
TransactionOutput outp = this.outputs[i];
//资产种类
var assetid = new byte[32];
ms.Read(assetid, 0, 32);
byte[] buf = new byte[8];
ms.Read(buf, 0, 8);
var value = Fixed8.FromBytes(buf, 0);
//资产数量
var scripthash = new byte[20];
ms.Read(scripthash, 0, 20);
outp.assetId = assetid;
outp.value = value;
outp.toAddress = scripthash;
this.outputs[i] = outp;
}
}
private static ThinNeo.Transaction makeTran(List <Utxo> utxos, string targetaddr, ThinNeo.Hash256 assetid, decimal sendcount, decimal extgas = 0, List <Utxo> utxos_ext = null, string extaddr = null)
{
var tran = new ThinNeo.Transaction();
tran.type = ThinNeo.TransactionType.ContractTransaction;
if (extgas >= 1)
{
tran.version = 1;//0 or 1
}
else
{
tran.version = 0;//0 or 1
}
tran.extdata = null;
tran.attributes = new ThinNeo.Attribute[0];
var scraddr = "";
utxos.Sort((a, b) =>
{
if (a.value > b.value)
{
return(1);
}
else if (a.value < b.value)
{
return(-1);
}
else
{
return(0);
}
});
decimal count = decimal.Zero;
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
for (var i = 0; i < utxos.Count; i++)
{
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos[i].txid;
input.index = (ushort)utxos[i].n;
list_inputs.Add(input);
count += utxos[i].value;
scraddr = utxos[i].addr;
if (count >= sendcount)
{
break;
}
}
decimal count_ext = decimal.Zero;
if (utxos_ext != null)
{
//手续费
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos_ext[0].txid;
input.index = (ushort)utxos_ext[0].n;
count_ext = utxos_ext[0].value;
list_inputs.Add(input);
}
tran.inputs = list_inputs.ToArray();
if (count >= sendcount)//输入大于等于输出
{
List <ThinNeo.TransactionOutput> list_outputs = new List <ThinNeo.TransactionOutput>();
//输出
if (sendcount > decimal.Zero && targetaddr != null)
{
ThinNeo.TransactionOutput output = new ThinNeo.TransactionOutput();
output.assetId = assetid;
output.value = sendcount;
output.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(targetaddr);
list_outputs.Add(output);
}
var change = count - sendcount - extgas;
decimal extchange = decimal.Zero;
//找零
if (utxos_ext != null)
{
change = count - sendcount;
extchange = count_ext - extgas;
}
else
{
change = count - sendcount - extgas;
}
if (change > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr);
outputchange.value = change;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
}
if (extchange > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(extaddr);
outputchange.value = extchange;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
}
tran.outputs = list_outputs.ToArray();
}
else
{
throw new Exception("no enough money.");
}
return(tran);
}
private Transaction MakeTran_Hasfee(Transaction tran, decimal systemfee, decimal netfee)
{
string assetid = id_GAS;
List <Utxo> utxos = GetUtxo(Address, assetid);
tran.attributes = new ThinNeo.Attribute[0];
utxos.Sort((a, b) =>
{
if (a.value > b.value)
{
return(1);
}
else if (a.value < b.value)
{
return(-1);
}
else
{
return(0);
}
});
decimal count = decimal.Zero;
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
for (var i = 0; i < utxos.Count; i++)
{
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos[i].txid;
input.index = (ushort)utxos[i].n;
list_inputs.Add(input);
count += utxos[i].value;
if (count >= netfee + systemfee)
{
break;
}
}
tran.inputs = list_inputs.ToArray();
if (count >= netfee + systemfee)//输入大于等于输出
{
List <ThinNeo.TransactionOutput> list_outputs = new List <ThinNeo.TransactionOutput>();
//找零
decimal change = count - netfee - systemfee;
if (change > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = SciptHash;
outputchange.value = change;
outputchange.assetId = new Hash256(id_GAS);
list_outputs.Add(outputchange);
}
tran.outputs = list_outputs.ToArray();
}
else
{
throw new Exception("no enough money.");
}
return(tran);
}
public static Transaction FromBytes(byte[] data)
{
Transaction tdata = null;
//参考源码来自
// https://github.com/neo-project/neo
// Transaction.cs
// 源码采用c#序列化技术
//参考源码2
// https://github.com/AntSharesSDK/antshares-ts
// Transaction.ts
// 采用typescript开发
System.IO.MemoryStream ms = new System.IO.MemoryStream(data);
tdata.type = (TransactionType)ms.ReadByte();//读一个字节，交易类型
Console.WriteLine("datatype:" + tdata.type);
byte version = (byte)ms.ReadByte();
Console.WriteLine("dataver:" + version);
if (tdata.type == TransactionType.ContractTransaction)//每个交易类型有一些自己独特的处理
{
//ContractTransaction 就是最常见的合约交易，
//他没有自己的独特处理
}
else
{
throw new Exception("未编写针对这个交易类型的代码");
}
//attributes
var countAttributes = readVarInt(ms);
Console.WriteLine("countAttributes:" + countAttributes);
for (UInt64 i = 0; i < countAttributes; i++)
{
//读取attributes
byte[] attributeData;
var Usage = (TransactionAttributeUsage)ms.ReadByte();
if (Usage == TransactionAttributeUsage.ContractHash || Usage == TransactionAttributeUsage.Vote || (Usage >= TransactionAttributeUsage.Hash1 && Usage <= TransactionAttributeUsage.Hash15))
{
attributeData = new byte[32];
ms.Read(attributeData, 0, 32);
}
else if (Usage == TransactionAttributeUsage.ECDH02 || Usage == TransactionAttributeUsage.ECDH03)
{
attributeData = new byte[33];
attributeData[0] = (byte)Usage;
ms.Read(attributeData, 1, 32);
}
else if (Usage == TransactionAttributeUsage.Script)
{
attributeData = new byte[20];
ms.Read(attributeData, 0, 20);
}
else if (Usage == TransactionAttributeUsage.DescriptionUrl)
{
var len = (byte)ms.ReadByte();
attributeData = new byte[len];
ms.Read(attributeData, 0, len);
}
else if (Usage == TransactionAttributeUsage.Description || Usage >= TransactionAttributeUsage.Remark)
{
var len = (int)readVarInt(ms, 65535);
attributeData = new byte[len];
ms.Read(attributeData, 0, len);
}
else
{
throw new FormatException();
}
}
//inputs 输入表示基于哪些交易
var countInputs = readVarInt(ms);
Console.WriteLine("countInputs:" + countInputs);
for (UInt64 i = 0; i < countInputs; i++)
{
byte[] hash = new byte[32];
byte[] buf = new byte[2];
ms.Read(hash, 0, 32);
ms.Read(buf, 0, 2);
UInt16 index = (UInt16)(buf[1] * 256 + buf[0]);
hash = hash.Reverse().ToArray();//反转
var strhash = Helper.Bytes2HexString(hash);
Console.WriteLine(" input:" + strhash + " index:" + index);
}
//outputes 输出表示最后有哪几个地址得到多少钱，肯定有一个是自己的地址,因为每笔交易都会把之前交易的余额清空,刨除自己,就是要转给谁多少钱
//这个机制叫做UTXO
var countOutputs = readVarInt(ms);
Console.WriteLine("countOutputs:" + countOutputs);
tdata.outputs = new TransactionOutput[countOutputs];
for (UInt64 i = 0; i < countOutputs; i++)
{
TransactionOutput outp = new TransactionOutput();
//资产种类
var assetid = new byte[32];
ms.Read(assetid, 0, 32);
assetid = assetid.Reverse().ToArray(); //反转
UInt64 value = 0; //钱的数字是一个定点数，乘以D
Int64 D = 100000000;
byte[] buf = new byte[8];
ms.Read(buf, 0, 8);
value = BitConverter.ToUInt64(buf, 0);
decimal number = ((decimal)value / (decimal)D);
if (number <= 0)
{
throw new FormatException();
}
//资产数量
var scripthash = new byte[20];
ms.Read(scripthash, 0, 20);
var address = Helper.GetAddressFromScriptHash(scripthash);
outp.assetId = assetid;
//Helper.Bytes2HexString(assetid);
outp.value = value;
outp.toAddress = scripthash;
tdata.outputs[i] = outp;
Console.WriteLine(" output" + i + ":" + Helper.Bytes2HexString(assetid) + "=" + number);
Console.WriteLine(" address:" + address);
}
return(tdata);
}
