public Utxo(string _addr, ThinNeo.Hash256 _txid, string _asset, decimal _value, int _n)
{
this.addr = _addr;
this.txid = _txid;
this.asset = _asset;
this.value = _value;
this.n = _n;
}
public static ThinNeo.Transaction makeTran(List <Utxo> utxos, string targetaddr, ThinNeo.Hash256 assetid, decimal sendcount)
{
var tran = new ThinNeo.Transaction();
tran.type = ThinNeo.TransactionType.ContractTransaction;
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;
}
}
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);
}
//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);
}
async public Task Demo()
{
byte[] prikey = ThinNeo.Helper.GetPrivateKeyFromWIF(Nep55_1.testwif);
byte[] pubkey = ThinNeo.Helper.GetPublicKeyFromPrivateKey(prikey);
string address = ThinNeo.Helper.GetAddressFromPublicKey(pubkey);
var scripthash = ThinNeo.Helper.GetPublicKeyHashFromAddress(address);
var nep55_shash = new ThinNeo.Hash160(Nep55_1.nep55);
string nep55_address = ThinNeo.Helper.GetAddressFromScriptHash(nep55_shash);
Console.WriteLine("address=" + address);
//获取地址的资产列表
Dictionary <string, List <Utxo> > dir = await Helper.GetBalanceByAddress(Nep55_1.api, nep55_address);
if (dir.ContainsKey(Nep55_1.id_GAS) == false)
{
Console.WriteLine("no gas");
return;
}
List <Utxo> newlist = new List <Utxo>(dir[Nep55_1.id_GAS]);
for (var i = newlist.Count - 1; i >= 0; i--)
{
byte[] script = null;
using (var sb = new ThinNeo.ScriptBuilder())
{
var array = new MyJson.JsonNode_Array();
array.AddArrayValue("(hex256)" + newlist[i].txid.ToString());
sb.EmitParamJson(array); //参数倒序入
sb.EmitParamJson(new MyJson.JsonNode_ValueString("(str)getRefundTarget")); //参数倒序入
var shash = new ThinNeo.Hash160(Nep55_1.nep55);
sb.EmitAppCall(shash); //nep5脚本
script = sb.ToArray();
}
if (newlist[i].n > 0)
{
continue;
}
var urlCheckUTXO = Helper.MakeRpcUrl(Nep55_1.api, "invokescript", new MyJson.JsonNode_ValueString(ThinNeo.Helper.Bytes2HexString(script)));
string resultCheckUTXO = await Helper.HttpGet(urlCheckUTXO);
var jsonCU = MyJson.Parse(resultCheckUTXO);
var stack = jsonCU.AsDict()["result"].AsList()[0].AsDict()["stack"].AsList()[0].AsDict();
var value = stack["value"].AsString();
if (value.Length > 0)//已经标记的UTXO，不能使用
{
newlist.RemoveAt(i);
}
}
ThinNeo.Transaction tran = null;
{
byte[] script = null;
using (var sb = new ThinNeo.ScriptBuilder())
{
var array = new MyJson.JsonNode_Array();
array.AddArrayValue("(bytes)" + ThinNeo.Helper.Bytes2HexString(scripthash));
sb.EmitParamJson(array); //参数倒序入
sb.EmitParamJson(new MyJson.JsonNode_ValueString("(str)refund")); //参数倒序入
var shash = new ThinNeo.Hash160(Nep55_1.nep55);
sb.EmitAppCall(shash); //nep5脚本
script = sb.ToArray();
}
Console.WriteLine("contract address=" + nep55_address);//往合约地址转账
//生成交易
tran = Helper.makeTran(newlist, nep55_address, new ThinNeo.Hash256(Nep55_1.id_GAS), (decimal)2.1);
tran.type = ThinNeo.TransactionType.InvocationTransaction;
var idata = new ThinNeo.InvokeTransData();
tran.extdata = idata;
idata.script = script;
//附加鉴证
tran.attributes = new ThinNeo.Attribute[1];
tran.attributes[0] = new ThinNeo.Attribute();
tran.attributes[0].usage = ThinNeo.TransactionAttributeUsage.Script;
tran.attributes[0].data = scripthash;
}
//sign and broadcast
{//做智能合约的签名
byte[] n55contract = null;
{
var urlgetscript = Helper.MakeRpcUrl(Nep55_1.api, "getcontractstate", new MyJson.JsonNode_ValueString(Nep55_1.nep55));
var resultgetscript = await Helper.HttpGet(urlgetscript);
var _json = MyJson.Parse(resultgetscript).AsDict();
var _resultv = _json["result"].AsList()[0].AsDict();
n55contract = ThinNeo.Helper.HexString2Bytes(_resultv["script"].AsString());
}
byte[] iscript = null;
using (var sb = new ThinNeo.ScriptBuilder())
{
sb.EmitPushString("whatever");
sb.EmitPushNumber(250);
iscript = sb.ToArray();
}
tran.AddWitnessScript(n55contract, iscript);
}
{//做提款人的签名
var signdata = ThinNeo.Helper.Sign(tran.GetMessage(), prikey);
tran.AddWitness(signdata, pubkey, address);
}
var trandata = tran.GetRawData();
var strtrandata = ThinNeo.Helper.Bytes2HexString(trandata);
ThinNeo.Transaction testde = new ThinNeo.Transaction();
testde.Deserialize(new System.IO.MemoryStream(trandata));
byte[] postdata;
var url = Helper.MakeRpcUrlPost(Nep55_1.api, "sendrawtransaction", out postdata, new MyJson.JsonNode_ValueString(strtrandata));
//bug
//sendraw api 有bug，所以先加这个
//url = "http://localhost:20332";
string poststr = System.Text.Encoding.UTF8.GetString(postdata);
Console.WriteLine("-----post info begin----");
Console.WriteLine(poststr);
Console.WriteLine("-----post info end----");
var result = await Helper.HttpPost(url, postdata);
Console.WriteLine("得到的结果是：" + result);
var json = MyJson.Parse(result).AsDict();
if (json.ContainsKey("result"))
{
bool bSucc = false;
if (json["result"].type == MyJson.jsontype.Value_Number)
{
bSucc = json["result"].AsBool();
Console.WriteLine("cli=" + json["result"].ToString());
}
else
{
var resultv = json["result"].AsList()[0].AsDict();
var txid = resultv["txid"].AsString();
bSucc = txid.Length > 0;
Console.WriteLine("txid=" + txid);
}
if (bSucc)
{
lasttxid = tran.GetHash();
Nep55_1.lastNep5Tran = tran.GetHash();
Console.WriteLine("你可以从这个UTXO拿走GAS了 txid=" + lasttxid.ToString() + "[0]");
}
else
{
lasttxid = null;
}
}
}
//拼交易体
ThinNeo.Transaction makeTran(Dictionary <string, List <Utxo> > dir_utxos1, Dictionary <string, List <Utxo> > dir_utxos2, string[] targetaddrs, ThinNeo.Hash256 assetid, decimal sendcount)
{
if (!dir_utxos1.ContainsKey(assetid.ToString()) || !dir_utxos2.ContainsKey(assetid.ToString()))
{
throw new Exception("no enough money.");
}
List <Utxo> utxos1 = dir_utxos1[assetid.ToString()];
List <Utxo> utxos2 = dir_utxos2[assetid.ToString()];
var tran = new ThinNeo.Transaction();
tran.type = ThinNeo.TransactionType.ContractTransaction;
tran.version = 0;//0 or 1
tran.extdata = null;
tran.attributes = new ThinNeo.Attribute[0];
utxos1.Sort((a, b) =>
{
if (a.value > b.value)
{
return(1);
}
else if (a.value < b.value)
{
return(-1);
}
else
{
return(0);
}
});
utxos2.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;
string scraddr = "";
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
for (var i = 0; i < utxos1.Count; i++)
{
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos1[i].txid;
input.index = (ushort)utxos1[i].n;
list_inputs.Add(input);
count += utxos1[i].value;
scraddr = utxos1[i].addr;
if (count >= (sendcount / 2))
{
break;
}
}
decimal count2 = decimal.Zero;
string scraddr2 = "";
for (var i = 0; i < utxos2.Count; i++)
{
ThinNeo.TransactionInput input = new ThinNeo.TransactionInput();
input.hash = utxos2[i].txid;
input.index = (ushort)utxos2[i].n;
list_inputs.Add(input);
count2 += utxos2[i].value;
scraddr2 = utxos2[i].addr;
if (count2 >= (sendcount / 2))
{
break;
}
}
tran.inputs = list_inputs.ToArray();
if (count + count2 >= 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 / 2;
output.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(targetaddr);
list_outputs.Add(output);
}
}
//找零
var change1 = count - sendcount / 2;
var change2 = count2 - sendcount / 2;
if (change1 > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr);
outputchange.value = change1;
outputchange.assetId = assetid;
list_outputs.Add(outputchange);
}
if (change2 > decimal.Zero)
{
ThinNeo.TransactionOutput outputchange = new ThinNeo.TransactionOutput();
outputchange.toAddress = ThinNeo.Helper.GetPublicKeyHashFromAddress(scraddr2);
outputchange.value = change2;
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 makeTran(Dictionary <string, List <Utxo> > dir_utxos, string targetaddr, ThinNeo.Hash256 assetid, decimal sendcount)
{
var tran = new ThinNeo.Transaction();
tran.type = ThinNeo.TransactionType.ContractTransaction;
tran.version = 0;
tran.extdata = null;
tran.attributes = new ThinNeo.Attribute[0];
var scraddr = "";
decimal count = decimal.Zero;
List <ThinNeo.TransactionInput> list_inputs = new List <ThinNeo.TransactionInput>();
tran.inputs = list_inputs.ToArray();
List <ThinNeo.TransactionOutput> list_outputs = new List <ThinNeo.TransactionOutput>();
tran.outputs = list_outputs.ToArray();
return(tran);
}
