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tera/Source/process/api-exchange.js

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JavaScript
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/*
* @project: TERA
* @version: Development (beta)
* @license: MIT (not for evil)
* @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
* Web: https://terafoundation.org
* Twitter: https://twitter.com/terafoundation
* Telegram: https://t.me/terafoundation
*/
const crypto = require('crypto');
WebApi2.GenerateKeys = function (Params)
{
var KeyPair = crypto.createECDH('secp256k1');
var PrivKey = sha3(crypto.randomBytes(32));
KeyPair.setPrivateKey(Buffer.from(PrivKey));
var PubKey = KeyPair.getPublicKey('', 'compressed');
return {result:1, PrivKey:GetHexFromArr(PrivKey), PubKey:GetHexFromArr(PubKey), Meta:Params ? Params.Meta : undefined};
};
WebApi2.CreateAccount = function (Params,response)
{
if(typeof Params === "object" && Params.Name && Params.PrivKey)
{
var KeyPair = crypto.createECDH('secp256k1');
KeyPair.setPrivateKey(Buffer.from(GetArrFromHex(Params.PrivKey)));
var PubKey = KeyPair.getPublicKey('', 'compressed');
var TR = {Type:TYPE_TRANSACTION_CREATE, Currency:Params.Currency, PubKey:PubKey, Name:Params.Name, Smart:Params.Smart, };
var Body = BufLib.GetBufferFromObject(TR, FORMAT_CREATE, 1000, {}, 1);
Body = Body.slice(0, Body.len + 12);
SendTransaction(Body, TR, Params.Wait, function (result,text)
{
var Result = {result:result, text:text, TxID:GetHexFromArr(TR._TxID.slice(0, TR_TICKET_HASH_LENGTH + 6)), BlockNum:TR._BlockNum,
Meta:Params.Meta, };
var Str = JSON.stringify(Result);
response.end(Str);
if(typeof Params.F === "function")
Params.F(Result);
});
return null;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
var MapSendID = {};
WebApi2.Send = function (Params,response,A,bJsonRet)
{
if(typeof Params !== "object")
return {result:0};
var Coin;
if(typeof Params.Amount === "number")
Coin = COIN_FROM_FLOAT2(Params.Amount);
else
Coin = Params.Amount;
var FromNum = ParseNum(Params.FromID);
if(!Coin)
return {result:0, Meta:Params.Meta, text:"Params.Amount required"};
if(!FromNum)
return {result:0, Meta:Params.Meta, text:"Params.FromID required"};
if(!Params.ToID)
return {result:0, Meta:Params.Meta, text:"Params.ToID required"};
var ToPubKeyArr = [];
var ToID = 0;
if(typeof Params.ToID === "string" && Params.ToID.length === 66)
ToPubKeyArr = GetArrFromHex(Params.ToID);
else
ToID = ParseNum(Params.ToID);
var DataFrom = DApps.Accounts.ReadState(FromNum);
if(!DataFrom)
return {result:0, Meta:Params.Meta, text:"Error read account: " + FromNum};
var OperationID;
if(!MapSendID[FromNum])
{
OperationID = DataFrom.Value.OperationID + 10;
MapSendID[FromNum] = {};
}
else
{
OperationID = MapSendID[FromNum].OperationID;
if((new Date() - MapSendID[FromNum].Date) > 8 * 1000)
{
OperationID += 20;
}
}
OperationID++;
MapSendID[FromNum].OperationID = OperationID;
MapSendID[FromNum].Date = Date.now();
var TR = {Type:111, Version:3, Reserve:0, FromID:FromNum, OperationID:OperationID, To:[{PubKey:ToPubKeyArr, ID:ToID, SumCOIN:Coin.SumCOIN,
SumCENT:Coin.SumCENT}], Description:Params.Description, Body:[], };
if(bJsonRet)
return {result:1, Tx:TR};
if(!Params.FromPrivKey)
return {result:0, Meta:Params.Meta, text:"Params.FromPrivKey required"};
TR.Sign = DApps.Accounts.GetSignTransferTx(TR, GetArrFromHex(Params.FromPrivKey));
var Body = BufLib.GetBufferFromObject(TR, FORMAT_MONEY_TRANSFER3, MAX_TRANSACTION_SIZE, {}, 1);
Body = Body.slice(0, Body.len + 12);
SendTransaction(Body, TR, Params.Wait, function (result,text)
{
var Result = {result:result, text:text, TxID:GetHexFromArr(TR._TxID.slice(0, TR_TICKET_HASH_LENGTH + 6)), BlockNum:TR._BlockNum,
Meta:Params.Meta, };
var Str = JSON.stringify(Result);
response.end(Str);
if(typeof Params.F === "function")
Params.F(Result);
});
return null;
};
WebApi2.GetBalance = function (Params,response)
{
if(typeof Params === "object")
{
var arr = DApps.Accounts.GetRowsAccounts(ParseNum(Params.AccountID), 1);
if(arr.length)
{
var Account = arr[0];
var Value = Account.Value;
var Result = {result:1, SumCOIN:Value.SumCOIN, SumCENT:Value.SumCENT, Currency:Account.Currency, PubKey:GetHexFromArr(Account.PubKey),
Meta:Params.Meta, };
return Result;
}
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
WebApi2.GetTransaction = function (Params)
{
if(typeof Params === "object" && Params.TxID)
{
var Arr = GetArrFromHex(Params.TxID);
var BlockNum = ReadUintFromArr(Arr, TR_TICKET_HASH_LENGTH);
var Block = SERVER.ReadBlockDB(BlockNum);
if(Block && Block.arrContent)
{
for(var i = 0; i < Block.arrContent.length; i++)
{
var Body = Block.arrContent[i];
var Arr2 = GetTxID(BlockNum, Body);
if(CompareArr(Arr2, Arr) === 0)
{
return GetTransactionFromBody(Params, Block, i, Body);
}
}
}
}
else
{
if(typeof Params === "object" && Params.BlockNum && Params.TrNum !== undefined)
{
var Block = SERVER.ReadBlockDB(Params.BlockNum);
if(Block && Block.arrContent)
{
var Body = Block.arrContent[Params.TrNum];
if(Body)
{
return GetTransactionFromBody(Params, Block, Params.TrNum, Body);
}
}
}
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
WebApi2.GetHistoryTransactions = function (Params)
{
if(typeof Params === "object" && Params.AccountID)
{
if(!Params.Count)
Params.Count = 100;
if(Params.Confirm === undefined)
Params.Confirm = 8;
var arr = DApps.Accounts.GetHistory(Params.AccountID, Params.Count, Params.NextPos, Params.Confirm);
if(Params.GetTxID || Params.GetDescription)
{
for(var i = 0; i < arr.length; i++)
{
var Item = arr[i];
var Block = SERVER.ReadBlockDB(Item.BlockNum);
if(!Block || (!Block.arrContent))
continue;
var Body = Block.arrContent[Item.TrNum];
if(!Body)
continue;
if(Params.GetTxID)
{
Item.TxID = GetHexFromArr(GetTxID(Item.BlockNum, Body));
}
if(Params.GetDescription)
{
var TR = DApps.Accounts.GetObjectTransaction(Body);
if(TR)
{
Item.Description = TR.Description;
}
}
}
}
var Result = {result:arr.length > 0 ? 1 : 0, History:arr, Tail:DApps.Accounts.DBStateHistory.Read(Params.AccountID), Meta:Params ? Params.Meta : undefined};
return Result;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
WebApi2.CreateRawTransaction = function (Params)
{
if(typeof Params === "object")
{
var Ret = WebApi2.Send(Params, undefined, undefined, 1);
TxArrToHex(Ret.Tx);
Ret.Meta = Params.Meta;
return Ret;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
WebApi2.SignRawTransaction = function (Params)
{
if(typeof Params === "object" && Params.Tx)
{
if(!Params.FromPrivKey)
return {result:0, Meta:Params.Meta, text:"Params.FromPrivKey required"};
if(typeof Params.Tx !== "object")
return {result:0, Meta:Params.Meta, text:"Params.Tx required"};
if(!Params.Tx.To || !Params.Tx.To.length)
return {result:0, Meta:Params.Meta, text:"Params.Tx.To required"};
var TR = Params.Tx;
TxHexToArr(TR);
TR.Sign = DApps.Accounts.GetSignTransferTx(TR, GetArrFromHex(Params.FromPrivKey));
TxArrToHex(TR);
var Ret = {result:1, Tx:TR, Meta:Params ? Params.Meta : undefined};
return Ret;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
WebApi2.SendRawTransaction = function (Params,response)
{
if(typeof Params === "object" && Params.Tx)
{
if(typeof Params.Tx !== "object")
return {result:0, Meta:Params.Meta, text:"Params.Tx required"};
if(!Params.Tx.To || !Params.Tx.To.length)
return {result:0, Meta:Params.Meta, text:"Params.Tx.To required"};
if(!Params.Tx.Sign)
return {result:0, Meta:Params.Meta, text:"Params.Tx.Sign required"};
var TR = Params.Tx;
TxHexToArr(TR);
var Body = BufLib.GetBufferFromObject(TR, FORMAT_MONEY_TRANSFER3, MAX_TRANSACTION_SIZE, {}, 1);
Body = Body.slice(0, Body.len + 12);
SendTransaction(Body, TR, Params.Wait, function (result,text)
{
var Result = {result:result, text:text, TxID:GetHexFromArr(TR._TxID.slice(0, TR_TICKET_HASH_LENGTH + 6)), BlockNum:TR._BlockNum,
Meta:Params.Meta, };
var Str = JSON.stringify(Result);
response.end(Str);
});
return null;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
function TxArrToHex(TR)
{
if(TR && TR.To && TR.To[0].PubKey)
{
if(TR.To[0].PubKey.length)
TR.To[0].PubKey = GetHexFromArr(TR.To[0].PubKey);
else
TR.To[0].PubKey = "";
if(TR.Sign && TR.Sign.length)
TR.Sign = GetHexFromArr(TR.Sign);
else
TR.Sign = "";
TR.Body = undefined;
TR.Reserve = undefined;
}
};
function TxHexToArr(TR)
{
TR.Body = [];
if(TR.Sign && TR.Sign.length)
TR.Sign = GetArrFromHex(TR.Sign);
else
TR.Sign = [];
for(var i = 0; i < TR.To.length; i++)
{
TR.To[i].PubKey = GetArrFromHex(TR.To[i].PubKey);
}
};
var DELTA_FOR_TIME_TX = 1;
function GetTxID(BlockNum,Body)
{
var Nonce = ReadUintFromArr(Body, Body.length - 6);
var Arr2 = CreateTxID(Body, BlockNum, Nonce);
return Arr2.slice(0, TR_TICKET_HASH_LENGTH + 6);
};
function CreateTxID(body,BlockNum,Nonce)
{
body.writeUIntLE(BlockNum, body.length - 12, 6);
body.writeUIntLE(Nonce, body.length - 6, 6);
var HASH = sha3(body);
var FullHashTicket = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
for(var i = 0; i < TR_TICKET_HASH_LENGTH; i++)
FullHashTicket[i] = HASH[i];
WriteUintToArrOnPos(FullHashTicket, BlockNum, TR_TICKET_HASH_LENGTH);
return FullHashTicket;
};
function GetBlockNumTr(arr)
{
var BlockNum = DELTA_FOR_TIME_TX + GetCurrentBlockNumByTime();
if(arr[0] === TYPE_TRANSACTION_CREATE)
{
var BlockNum2 = Math.floor(BlockNum / 10) * 10;
if(BlockNum2 < BlockNum)
BlockNum2 = BlockNum2 + 10;
BlockNum = BlockNum2;
}
return BlockNum;
};
function CreateHashBodyPOWInnerMinPower(TR,arr,MinPow,startnonce)
{
var BlockNum = GetBlockNumTr(arr);
if(MinPow === undefined)
{
MinPow = MIN_POWER_POW_TR + Math.log2(arr.length / 128);
}
var nonce = startnonce;
while(1)
{
var TxID = CreateTxID(arr, BlockNum, nonce);
var power = GetPowPower(sha3(TxID));
if(power >= MinPow)
{
TR._TxID = TxID;
TR._BlockNum = BlockNum;
ToLog("Find: " + power + " for block:" + BlockNum);
return nonce;
}
nonce++;
if(nonce % 2000 === 0)
{
BlockNum = GetBlockNumTr(arr);
}
}
};
function SendTransaction(Body,TR,Wait,F)
{
if(Body.length > 16000)
{
TR._result = 0;
TR._text = "Error length transaction =" + Body.length + " (max size=16000)";
F(1, TR, Body);
return ;
}
global.GlobalRunID++;
let WebID = global.GlobalRunID;
CreateNonceAndSend(0, 0);
function CreateNonceAndSend(startnonce,NumNext)
{
if(!NumNext)
NumNext = 0;
if(NumNext > 10)
{
F(0, TR, Body);
return ;
}
var nonce = CreateHashBodyPOWInnerMinPower(TR, Body, undefined, startnonce);
process.RunRPC("AddTransactionFromWeb", {WebID:WebID, HexValue:GetHexFromArr(Body)}, function (Err,text)
{
TR._result = Err ? 0 : 1;
TR._text = text;
if(text === "Not add" || text === "Bad PoW")
{
CreateNonceAndSend(nonce + 1, NumNext + 1);
return ;
}
else
if(text === "Bad time")
{
if(DELTA_FOR_TIME_TX < 6)
{
DELTA_FOR_TIME_TX++;
ToLog("New set Delta time: " + DELTA_FOR_TIME_TX);
CreateNonceAndSend(0, NumNext + 1);
return ;
}
}
if(Wait && TR._result)
{
global.GlobalRunMap[WebID] = F;
}
else
{
F(TR._result < 1 ? 0 : 1, text);
}
});
};
};
function GetTransactionFromBody(Params,Block,TrNum,Body)
{
var TR = DApps.Accounts.GetObjectTransaction(Body);
if(TR)
{
ConvertBufferToStr(TR);
TR.result = 1;
TR.Meta = Params.Meta;
if(Block.VersionBody === 1 && Block.arrContentResult)
{
TR.result = Block.arrContentResult[TrNum];
}
TR.BlockNum = Block.BlockNum;
TR.TrNum = TrNum;
return TR;
}
return {result:0, Meta:Params ? Params.Meta : undefined};
};
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