Exemple #1
0
        //获取地址的utxo来得出地址的资产
        public static async Task <Dictionary <string, List <Utxo> > > GetBalanceByAddress(string api, string _addr)
        {
            MyJson.JsonNode_Object            response = (MyJson.JsonNode_Object)MyJson.Parse(await Helper.HttpGet(api + "?method=getutxo&id=1&params=['" + _addr + "']"));
            MyJson.JsonNode_Array             resJA    = (MyJson.JsonNode_Array)response["result"];
            Dictionary <string, List <Utxo> > _dir     = new Dictionary <string, List <Utxo> >();

            foreach (MyJson.JsonNode_Object j in resJA)
            {
                Utxo utxo = new Utxo(j["addr"].ToString(), new ThinNeo.Hash256(j["txid"].ToString()), j["asset"].ToString(), decimal.Parse(j["value"].ToString()), int.Parse(j["n"].ToString()));
                if (_dir.ContainsKey(j["asset"].ToString()))
                {
                    _dir[j["asset"].ToString()].Add(utxo);
                }
                else
                {
                    List <Utxo> l = new List <Utxo>();
                    l.Add(utxo);
                    _dir[j["asset"].ToString()] = l;
                }
            }
            return(_dir);
        }
Exemple #2
0
        async Task test_refund()
        {
            decimal amount = 0;

            while (true)
            {
                subPrintLine("Input amount:");
                string str_amount = Console.ReadLine();
                try
                {
                    amount = decimal.Parse(str_amount);
                    break;
                }
                catch (Exception e)
                {
                    subPrintLine("input number");
                }
            }

            string sgas_address = ThinNeo.Helper.GetAddressFromScriptHash(Config.dapp_sgas);

            //获取sgas合约地址的资产列表
            Dictionary <string, List <Utxo> > dir = await Helper.GetBalanceByAddress(Config.api, sgas_address);

            if (dir.ContainsKey(Config.id_GAS) == false)
            {
                subPrintLine("no gas");
                return;
            }
            List <Utxo> newlist = new List <Utxo>(dir[Config.id_GAS]);

            //检查sgas地址拥有的gas的utxo是否有被标记过
            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 = Config.dapp_sgas;
                    sb.EmitAppCall(shash);                                                     //nep5脚本
                    script = sb.ToArray();
                }
                if (newlist[i].n > 0)
                {
                    continue;
                }

                var    urlCheckUTXO    = Helper.MakeRpcUrl(Config.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);
                }
            }


            //添加系统费
            Dictionary <string, List <Utxo> > dir2 = await Helper.GetBalanceByAddress(Config.api, address);

            List <Utxo> newlist2 = new List <Utxo>(dir2[Config.id_GAS]);

            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 = Config.dapp_sgas;
                    sb.EmitAppCall(shash);                                            //nep5脚本
                    script = sb.ToArray();
                }

                //sgas 自己给自己转账   用来生成一个utxo  合约会把这个utxo标记给发起的地址使用
                tran      = Helper.makeTran(newlist, sgas_address, new ThinNeo.Hash256(Config.id_GAS), (decimal)0.00000001, (decimal)0.00000001, newlist2, address);
                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[] sgasScript = null;
                {
                    var urlgetscript    = Helper.MakeRpcUrl(Config.api, "getcontractstate", new MyJson.JsonNode_ValueString(Config.dapp_sgas.ToString()));
                    var resultgetscript = await Helper.HttpGet(urlgetscript);

                    var _json    = MyJson.Parse(resultgetscript).AsDict();
                    var _resultv = _json["result"].AsList()[0].AsDict();
                    sgasScript = 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(sgasScript, 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);

            byte[] postdata;
            var    url = Helper.MakeRpcUrlPost(Config.api, "sendrawtransaction", out postdata, new MyJson.JsonNode_ValueString(strtrandata));

            var result = await Helper.HttpPost(url, postdata);

            subPrintLine("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();
                    subPrintLine("cli=" + json["result"].ToString());
                }
                else
                {
                    var resultv = json["result"].AsList()[0].AsDict();
                    var txid    = resultv["txid"].AsString();
                    bSucc = txid.Length > 0;
                }
                if (bSucc)
                {
                    Hash256 txid = tran.GetHash();
                    url = Helper.MakeRpcUrlPost(Config.api, "getrawtransaction", out postdata, new MyJson.JsonNode_ValueString(txid.ToString()));
                    while (true)
                    {
                        subPrintLine("正在等待交易验证,请稍后。。。。");
                        result = await Helper.HttpPost(url, postdata);

                        json = MyJson.Parse(result).AsDict();
                        if (json.ContainsKey("result"))
                        {
                            //tx的第一个utxo就是给自己的
                            Utxo utxo = new Utxo(address, txid, Config.id_GAS, amount, 0);
                            //把这个txid里的utxo[0]的value转给自己
                            TranGas(new List <Utxo>()
                            {
                                utxo
                            }, amount);
                            break;
                        }
                        await Task.Delay(5000);
                    }
                }
                else
                {
                }
            }
        }