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tera/Source/process/static-process.js

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/*
* @project: TERA
* @version: Development (beta)
* @license: MIT (not for evil)
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* @copyright: Yuriy Ivanov (Vtools) 2017-2019 [progr76@gmail.com]
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* Web: https://terafoundation.org
* Twitter: https://twitter.com/terafoundation
* Telegram: https://web.telegram.org/#/im?p=@terafoundation
*/
global.PROCESS_NAME = "STATIC";
const crypto = require('crypto');
const fs = require('fs');
require("../core/constant");
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require('../core/block-loader-const');
require('../core/rest_tables.js');
require('../dapp/accounts.js');
require('../dapp/smart.js');
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global.DATA_PATH = GetNormalPathString(global.DATA_PATH);
global.CODE_PATH = GetNormalPathString(global.CODE_PATH);
require("../core/library");
global.READ_ONLY_DB = 1;
var LastAlive = Date.now();
setTimeout(function ()
{
setInterval(CheckAlive, 1000);
}, 20000);
setInterval(function ()
{
process.send({cmd:"Alive"});
}, 1000);
process.send({cmd:"online", message:"OK"});
process.on('message', function (msg)
{
LastAlive = Date.now();
switch(msg.cmd)
{
case "ALive":
break;
case "Exit":
process.exit(0);
break;
case "call":
var Err = 0;
var Ret;
try
{
Ret = global[msg.Name](msg.Params);
}
catch(e)
{
Err = 1;
Ret = "" + e;
}
if(msg.id)
process.send({cmd:"retcall", id:msg.id, Err:Err, Params:Ret});
break;
case "GETBLOCKHEADER":
GETBLOCKHEADER(msg);
break;
case "GETBLOCK":
GETBLOCK(msg);
break;
case "GETCODE":
GETCODE(msg);
break;
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case "GETREST":
GETREST(msg);
break;
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case "GETSMART":
GETSMART(msg);
break;
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}
});
function CheckAlive()
{
if(global.NOALIVE)
return ;
var Delta = Date.now() - LastAlive;
if(Delta > CHECK_STOP_CHILD_PROCESS)
{
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ToLog("STATIC-DB: ALIVE TIMEOUT Stop and exit: " + Delta + "/" + global.CHECK_STOP_CHILD_PROCESS);
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process.exit(0);
return ;
}
};
process.on('uncaughtException', function (err)
{
ToError(err.stack);
ToLog(err.stack);
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TO_ERROR_LOG("STATIC-DB", 777, err);
ToLog("-----------------STATIC-DB EXIT------------------");
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process.exit();
});
process.on('error', function (err)
{
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ToError("STATIC-DB:\n" + err.stack);
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ToLog(err.stack);
});
var CServerDB = require("../core/db/block-db");
var KeyPair = crypto.createECDH('secp256k1');
KeyPair.setPrivateKey(Buffer.from([77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77, 77,
77, 77, 77, 77, 77, 77, 77, 77, 77, 77]));
global.SERVER = new CServerDB(KeyPair, undefined, undefined, false, true);
global.HTTP_PORT_NUMBER = 0;
setInterval(function ()
{
if(SERVER)
SERVER.ClearBufMap();
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DApps.Accounts.Close();
DApps.Smart.DBSmart.Close();
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global.BlockDB.CloseDBFile("block-header");
global.BlockDB.CloseDBFile("block-body");
}, 1000);
function GETBLOCKHEADER(msg)
{
var Data = msg.Data;
var StartNum = undefined;
var BlockNum;
var LoadHash = Data.Hash;
var Foward = Data.Foward;
if(Foward)
{
var BlockDB = SERVER.ReadBlockHeaderDB(Data.BlockNum);
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if(BlockDB && BlockDB.SumHash && (CompareArr(BlockDB.SumHash, LoadHash) === 0 || IsZeroArr(LoadHash)))
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{
StartNum = Data.BlockNum - BLOCK_PROCESSING_LENGTH2;
if(StartNum < 0)
StartNum = 0;
BlockNum = StartNum + COUNT_BLOCKS_FOR_LOAD + BLOCK_PROCESSING_LENGTH2;
if(BlockNum > SERVER.GetMaxNumBlockDB())
BlockNum = SERVER.GetMaxNumBlockDB();
}
}
else
{
BlockNum = Data.BlockNum;
var IsSum = Data.IsSum;
var Count = Data.Count;
if(!Count || Count < 0 || BlockNum < 0)
return ;
if(Count > COUNT_BLOCKS_FOR_LOAD)
Count = COUNT_BLOCKS_FOR_LOAD;
Count += BLOCK_PROCESSING_LENGTH2;
var BlockDB = SERVER.ReadBlockHeaderDB(BlockNum);
if(BlockDB && (BlockDB.Prepared && (!IsSum) && BlockDB.Hash && CompareArr(BlockDB.Hash, LoadHash) === 0 || BlockDB.bSave && IsSum && BlockDB.SumHash && CompareArr(BlockDB.SumHash,
LoadHash) === 0))
{
StartNum = BlockNum - Count + 1;
if(StartNum < 0)
StartNum = 0;
}
}
var BufWrite = SERVER.BlockChainToBuf(StartNum, StartNum, BlockNum);
process.send({cmd:"Send", addrStr:msg.addrStr, Method:"RETBLOCKHEADER", Context:msg.Context, Data:BufWrite});
};
function GETBLOCK(msg)
{
var Data = msg.Data;
var BlockNum = Data.BlockNum;
var TreeHash = Data.TreeHash;
if(msg.Context.SendCount)
{
return ;
}
var BufWrite;
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var BlockDB = SERVER.ReadBlockDB(BlockNum);
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var StrSend;
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if(BlockDB && (CompareArr(BlockDB.TreeHash, TreeHash) === 0 || IsZeroArr(TreeHash)))
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{
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var BufWrite = BufLib.GetBufferFromObject(BlockDB, FORMAT_BLOCK_TRANSFER, MAX_PACKET_LENGTH, WRK_BLOCK_TRANSFER);
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StrSend = "OK";
var TreeHashTest = CalcTreeHashFromArrBody(BlockDB.BlockNum, BlockDB.arrContent);
if(CompareArr(BlockDB.TreeHash, TreeHashTest) !== 0)
{
ToLog("1. BAD CMP TreeHash block=" + BlockNum + " TO: " + msg.addrStr.substr(0, 8) + " TreeHashTest=" + GetHexFromArr(TreeHashTest) + " DB TreeHash=" + GetHexFromArr(BlockDB.TreeHash));
StrSend = "NO";
}
}
if(StrSend === "OK")
{
ADD_TO_STAT("BLOCK_SEND");
}
else
{
BufWrite = BufLib.GetNewBuffer(100);
StrSend = "NO";
}
process.send({cmd:"Send", addrStr:msg.addrStr, Method:"RETGETBLOCK", Context:msg.Context, Data:BufWrite});
};
function GETCODE(msg)
{
var VersionNum = msg.Data;
var fname = GetDataPath("Update/wallet-" + VersionNum + ".zip");
if(fs.existsSync(fname))
{
var data = fs.readFileSync(fname);
process.send({cmd:"Send", addrStr:msg.addrStr, Method:"RETCODE", Context:msg.Context, Data:data});
}
};
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function GETREST(msg)
{
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var Data = msg.Data;
if(!Data.BlockNum)
return ;
var BlockNumRest = Data.BlockNum;
var arr = GetCurrentRestArr();
var BufLength;
var nResult = 0;
for(var i = 0; i < arr.length; i++)
{
if(arr[i] === BlockNumRest)
{
nResult = 1;
break;
}
}
var ArrRest = [];
if(nResult)
{
var WorkStruct = {};
var WorkFormat = DApps.Accounts.FORMAT_ACCOUNT_ROW;
var WorkFormatLength = DApps.Accounts.SIZE_ACCOUNT_ROW;
var Max = DApps.Accounts.DBState.GetMaxNum();
var LengthAccount = Data.Count;
if(LengthAccount > MAX_ACCOUNTS_TRANSFER)
LengthAccount = MAX_ACCOUNTS_TRANSFER;
var EndAccount = Data.AccNum + LengthAccount - 1;
if(EndAccount > Max)
EndAccount = Max;
var FindItem;
for(var Num = Data.AccNum; Num <= EndAccount; Num++)
{
FindItem = undefined;
var RestData = DApps.Accounts.ReadRest(Num);
var Data = DApps.Accounts.DBState.Read(Num);
if(!Data)
break;
var CountZero = 0;
for(var i = RestData.Arr.length - 1; i >= 0; i--)
{
var Item = RestData.Arr[i];
if(!Item.BlockNum)
{
CountZero++;
continue;
}
if(Item.BlockNum <= BlockNumRest)
{
if(!FindItem || Item.BlockNum > FindItem.BlockNum)
{
FindItem = Item;
}
}
}
if(FindItem)
{
Data.Value = FindItem.Value;
}
else
{
if(CountZero !== RestData.Arr.length)
continue;
}
var Buf = BufLib.GetBufferFromObject(Data, WorkFormat, WorkFormatLength, WorkStruct);
ArrRest.push(Buf);
}
BufLength = 1000 + ArrRest.length * WorkFormatLength;
}
else
{
BufLength = 1000;
}
var Data2 = {Result:nResult, BlockNum:BlockNumRest, Arr:ArrRest};
var BufWrite = BufLib.GetBufferFromObject(Data2, FORMAT_REST_TRANSFER, BufLength, {});
process.send({cmd:"Send", addrStr:msg.addrStr, Method:"RETREST", Context:msg.Context, Data:BufWrite});
};
function GETSMART(msg)
{
var Data = msg.Data;
if(!Data.Count)
return ;
var BufLength = 1000;
var SizeForSend = 200 * 1024;
var Arr = [];
for(var Num = Data.SmartNum; Num < Data.SmartNum + Data.Count; Num++)
{
var BufSmart = DApps.Smart.DBSmart.Read(Num, 1);
if(!BufSmart)
break;
SizeForSend = SizeForSend - BufSmart.length;
if(SizeForSend < 0)
break;
BufLength += BufSmart.length;
Arr.push(BufSmart);
}
var Data2 = {Result:Arr.length ? 1 : 0, Arr:Arr};
var BufWrite = BufLib.GetBufferFromObject(Data2, FORMAT_SMART_TRANSFER, BufLength, {});
process.send({cmd:"Send", addrStr:msg.addrStr, Method:"RETSMART", Context:msg.Context, Data:BufWrite});
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};
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