tera/Source/core/db/block-db.js
progr76@gmail.com 3029d69c0e 0.884
2019-02-10 22:53:54 +03:00

969 lines
32 KiB
JavaScript

/*
* @project: TERA
* @version: Development (beta)
* @license: MIT (not for evil)
* @copyright: Yuriy Ivanov 2017-2019 [progr76@gmail.com]
* Web: https://terafoundation.org
* Twitter: https://twitter.com/terafoundation
* Telegram: https://web.telegram.org/#/im?p=@terafoundation
*/
"use strict";
const fs = require('fs');
const DBLib = require("./db");
global.BlockDB = new DBLib();
global.BLOCK_HEADER_SIZE = 150;
const FILE_NAME_HEADER = "block-header";
const FILE_NAME_BODY = "block-body";
module.exports = class CDB extends require("../code")
{
constructor(SetKeyPair, RunIP, RunPort, UseRNDHeader, bVirtual)
{
super(SetKeyPair, RunIP, RunPort, UseRNDHeader, bVirtual)
var bWriteMode = (global.PROCESS_NAME === "MAIN");
BlockDB.OpenDBFile(FILE_NAME_HEADER, bWriteMode)
BlockDB.OpenDBFile(FILE_NAME_BODY, bWriteMode)
this.BlockNumDB = 0
this.ClearBufMap()
}
LoadMemBlocksOnStart()
{
this.CurrentBlockNum = GetCurrentBlockNumByTime()
for(var i = this.BlockNumDB - BLOCK_COUNT_IN_MEMORY; i <= this.BlockNumDB; i++)
if(i >= 0)
{
if(i >= this.BlockNumDB - BLOCK_PROCESSING_LENGTH * 5)
this.GetBlock(i, true, true)
else
this.GetBlock(i, true, false)
}
}
GetMaxNumBlockDB()
{
var FI = BlockDB.OpenDBFile(FILE_NAME_HEADER);
var BlockNum = (FI.size / BLOCK_HEADER_SIZE) - 1;
return BlockNum;
}
FindStartBlockNum()
{
var BlockNum = this.GetMaxNumBlockDB();
if(global.NO_CHECK_BLOCKNUM_ONSTART)
{
this.BlockNumDB = this.CheckBlocksOnStartFoward(BlockNum - 2, 0)
ToLog("START_BLOCK_NUM:" + this.BlockNumDB)
return ;
}
BlockNum = this.CheckBlocksOnStartReverse(BlockNum)
this.BlockNumDB = this.CheckBlocksOnStartFoward(BlockNum - 2000, 0)
this.BlockNumDB = this.CheckBlocksOnStartFoward(this.BlockNumDB - 100, 1)
if(this.BlockNumDB >= BLOCK_PROCESSING_LENGTH2)
{
this.TruncateBlockDB(this.BlockNumDB)
}
ToLog("START_BLOCK_NUM:" + this.BlockNumDB)
this.CheckOnStartComplete = 1
}
CheckBlocksOnStartReverse(StartNum)
{
var delta = 1;
var Count = 0;
var PrevBlock;
for(var num = StartNum; num >= BLOCK_PROCESSING_LENGTH; num -= delta)
{
var Block = this.ReadBlockHeaderDB(num);
if(!Block || IsZeroArr(Block.SumHash))
{
delta++
Count = 0
continue;
}
var PrevBlock = this.ReadBlockHeaderDB(num - 1);
if(!PrevBlock || IsZeroArr(PrevBlock.SumHash))
{
Count = 0
continue;
}
delta = 1
var SumHash = shaarr2(PrevBlock.SumHash, Block.Hash);
if(CompareArr(SumHash, Block.SumHash) === 0)
{
Count++
if(Count > COUNT_BLOCKS_FOR_LOAD / 10)
return num;
}
else
{
Count = 0
}
}
return 0;
}
CheckBlocksOnStartFoward(StartNum, bCheckBody)
{
var PrevBlock;
if(StartNum < BLOCK_PROCESSING_LENGTH2)
StartNum = BLOCK_PROCESSING_LENGTH2
var MaxNum = DApps.Accounts.GetHashedMaxBlockNum();
var BlockNumTime = GetCurrentBlockNumByTime();
if(BlockNumTime < MaxNum)
MaxNum = BlockNumTime
var arr = [];
for(var num = StartNum; num <= MaxNum; num++)
{
var Block;
if(bCheckBody)
Block = this.ReadBlockDB(num)
else
Block = this.ReadBlockHeaderDB(num)
if(!Block)
return num > 0 ? num - 1 : 0;
if(num % 100000 === 0)
ToLog("CheckBlocksOnStartFoward: " + num)
if(bCheckBody)
{
var TreeHash = CalcTreeHashFromArrBody(Block.BlockNum, Block.arrContent);
if(CompareArr(Block.TreeHash, TreeHash) !== 0)
{
ToLog("BAD TreeHash block=" + Block.BlockNum)
return num > 0 ? num - 1 : 0;
}
}
if(PrevBlock)
{
if(arr.length !== BLOCK_PROCESSING_LENGTH)
{
var start = num - BLOCK_PROCESSING_LENGTH2;
for(var n = 0; n < BLOCK_PROCESSING_LENGTH; n++)
{
var Prev = this.ReadBlockHeaderDB(start + n);
arr.push(Prev.Hash)
}
}
else
{
arr.shift()
var Prev = this.ReadBlockHeaderDB(num - BLOCK_PROCESSING_LENGTH - 1);
arr.push(Prev.Hash)
}
var PrevHash = CalcHashFromArray(arr, true);
var SeqHash = this.GetSeqHash(Block.BlockNum, PrevHash, Block.TreeHash);
var Value = GetHashFromSeqAddr(SeqHash, Block.AddrHash, Block.BlockNum, PrevHash);
if(CompareArr(Value.Hash, Block.Hash) !== 0)
{
ToLog("=================== FIND ERR Hash in " + Block.BlockNum + " bCheckBody=" + bCheckBody)
return num > 0 ? num - 1 : 0;
}
var SumHash = shaarr2(PrevBlock.SumHash, Block.Hash);
if(CompareArr(SumHash, Block.SumHash) !== 0)
{
ToLog("=================== FIND ERR SumHash in " + Block.BlockNum)
return num > 0 ? num - 1 : 0;
}
}
PrevBlock = Block
}
return num > 0 ? num - 1 : 0;
}
GetChainFileNum(chain)
{
return 0;
}
WriteBlockDB(Block)
{
var startTime = process.hrtime();
if(Block.TrCount === 0 && !IsZeroArr(Block.TreeHash))
{
ToLogTrace("ERROR WRITE TrCount BLOCK:" + Block.BlockNum)
throw "ERROR WRITE";
}
var Ret = this.WriteBodyDB(Block);
if(Ret)
{
Ret = this.WriteBlockDBFinaly(Block)
}
ADD_TO_STAT_TIME("MAX:WriteBlockDB", startTime)
ADD_TO_STAT_TIME("WriteBlockDB", startTime)
return Ret;
}
WriteBlockDBFinaly(Block)
{
var Ret = this.WriteBlockHeaderDB(Block);
if(Ret)
{
if(Block.TrDataLen === 0 && !IsZeroArr(Block.TreeHash))
{
ToLogTrace("ERROR WRITE FINAL TrDataLen BLOCK")
throw "ERROR WRITE";
}
this.OnWriteBlock(Block)
this.BlockNumDB = Block.BlockNum
Block.bSave = true
}
return Ret;
}
SaveDataTreeToDB(Block)
{
var Ret = this.WriteBodyDB(Block);
if(Ret)
{
var BufWrite = BufLib.GetNewBuffer(BLOCK_HEADER_SIZE);
this.BlockHeaderToBuf(BufWrite, Block)
Ret = this.WriteBufHeaderDB(BufWrite, Block.BlockNum)
}
return Ret;
}
WriteBodyDB(Block)
{
var FileItem = BlockDB.OpenDBFile(FILE_NAME_BODY, 1);
var FD = FileItem.fd;
var Position = FileItem.size;
Block.TrDataPos = Position
var arrTr = Block.arrContent;
if(!arrTr || arrTr.length === 0)
{
Block.TrCount = 0
Block.TrDataLen = 0
return true;
}
var TrDataLen = 4;
var arrSize = [];
for(var i = 0; i < arrTr.length; i++)
{
var body = arrTr[i];
arrSize[i] = 2 + body.length
TrDataLen += arrSize[i]
}
var BufWrite = BufLib.GetNewBuffer(TrDataLen);
BufWrite.Write(arrTr.length, "uint16")
BufWrite.Write(0, "uint16")
for(var i = 0; i < arrTr.length; i++)
{
var body = arrTr[i];
BufWrite.Write(body, "tr")
}
var written = fs.writeSync(FD, BufWrite, 0, BufWrite.length, Position);
if(written !== BufWrite.length)
{
TO_ERROR_LOG("DB", 240, "Error write to file block-chain : " + written + " <> " + BufWrite.length)
return false;
}
FileItem.size += TrDataLen
Block.TrCount = arrTr.length
Block.TrDataLen = TrDataLen
return true;
}
WriteBlockHeaderDB(Block)
{
if(Block.BlockNum > 0)
{
if(USE_CHECK_SAVE_DB)
if(!this.CheckSeqHashDB(Block, "WriteBlockHeaderDB"))
return false;
this.TruncateBlockDBInner(Block)
this.BlockNumDB = Block.BlockNum - 1
var PrevBlock = this.ReadBlockHeaderDB(Block.BlockNum - 1);
if(!PrevBlock)
{
ToLogTrace("Cant write header block:" + Block.BlockNum + " prev block not found")
throw "ERR: PREV BLOCK NOT FOUND";
return false;
}
Block.SumHash = shaarr2(PrevBlock.SumHash, Block.Hash)
Block.SumPow = PrevBlock.SumPow + GetPowPower(Block.PowHash)
}
var BufWrite = BufLib.GetNewBuffer(BLOCK_HEADER_SIZE);
this.BlockHeaderToBuf(BufWrite, Block)
var Res = this.WriteBufHeaderDB(BufWrite, Block.BlockNum);
return Res;
}
WriteBufHeaderDB(BufWrite, BlockNum)
{
BlockNum = Math.trunc(BlockNum)
this.ClearBufMap()
var Position = BlockNum * BLOCK_HEADER_SIZE;
var FI = BlockDB.OpenDBFile(FILE_NAME_HEADER, 1);
var written = fs.writeSync(FI.fd, BufWrite, 0, BufWrite.length, Position);
if(Position >= FI.size)
{
FI.size = Position + BufWrite.length
}
if(written !== BufWrite.length)
{
TO_ERROR_LOG("DB", 260, "Error write to file block-header :" + written + " <> " + Info.key_width)
return false;
}
else
{
return true;
}
}
ReadBlockDB(Num)
{
if(!Num)
Num = 0
Num = Math.trunc(Num)
var Block = this.ReadBlockHeaderDB(Num);
if(Block && Block.TrDataLen)
{
var Ret = this.ReadBlockBodyDB(Block);
if(!Ret)
return undefined;
}
else
{
if(Block && !IsZeroArr(Block.TreeHash))
{
ToLogTrace("ERROR arrContent on BlockNum=" + Num)
return undefined;
}
}
return Block;
}
ReadBlockBodyDB(Block)
{
var FileItem = BlockDB.OpenDBFile(FILE_NAME_BODY);
var FD = FileItem.fd;
if(Block.TrDataLen > MAX_BLOCK_SIZE * 2)
{
ToLogTrace("Error value TrDataLen, BlockNum=" + Block.BlockNum)
return false;
}
var Position = Block.TrDataPos;
var BufRead = BufLib.GetNewBuffer(Block.TrDataLen);
var bytesRead = fs.readSync(FD, BufRead, 0, BufRead.length, Position);
if(bytesRead !== BufRead.length)
{
TO_ERROR_LOG("DB", 272, "Error read block-body file: " + FileItem.name + " from POS:" + Position + " bytesRead=" + bytesRead + " of " + BufRead.length + " BlockNum=" + Block.BlockNum)
return false;
}
Block.arrContent = []
var TrCount = BufRead.Read("uint16");
var TrCountDapp = BufRead.Read("uint16");
if(TrCount <= MAX_TRANSACTION_COUNT)
{
for(var i = 0; i < TrCount; i++)
{
var body = BufRead.Read("tr");
if(!body)
break;
Block.arrContent[i] = body
}
}
Block.TrCount = Block.arrContent.length
return true;
}
ReadBlockHeaderDB(Num)
{
if(Num < 0)
{
return undefined;
}
Num = Math.trunc(Num)
var BufRead = BufLib.GetNewBuffer(BLOCK_HEADER_SIZE);
var Position = Num * BLOCK_HEADER_SIZE;
var FD = BlockDB.OpenDBFile(FILE_NAME_HEADER).fd;
var bytesRead = fs.readSync(FD, BufRead, 0, BufRead.length, Position);
if(bytesRead !== BufRead.length)
return undefined;
var Block = this.BufToBlockHeader(BufRead, Num);
if(Block)
{
Block.bSave = true
Block.Prepared = true
}
return Block;
}
ReadBlockHeaderFromMapDB(Num)
{
var Block = this.MapHeader[Num];
if(!Block)
{
Block = this.ReadBlockHeaderDB(Num)
this.MapHeader[Num] = Block
}
return Block;
}
SetTruncateBlockDB(Num)
{
Num = Math.trunc(Num)
if(Num < BLOCK_PROCESSING_LENGTH2)
Num = BLOCK_PROCESSING_LENGTH2
if(this.UseTruncateBlockDB)
{
if(Num < this.UseTruncateBlockDB)
this.UseTruncateBlockDB = Num
}
else
{
this.UseTruncateBlockDB = Num
}
}
TruncateBlockDB(LastBlockNum)
{
this.UseTruncateBlockDB = undefined
var Block = this.ReadBlockDB(LastBlockNum);
if(!Block)
{
ToLog("************ ERROR TruncateBlockDB - not found block=" + LastBlockNum)
return ;
}
this.WriteBlockDB(Block)
}
TruncateBlockDBInner(LastBlock)
{
var FItem1 = BlockDB.OpenDBFile(FILE_NAME_HEADER, 1);
var size = (LastBlock.BlockNum + 1) * BLOCK_HEADER_SIZE;
if(size < 0)
size = 0
if(FItem1.size > size)
{
FItem1.size = size
fs.ftruncateSync(FItem1.fd, FItem1.size)
}
this.TruncateStat(LastBlock.BlockNum)
}
TruncateBlockBodyDBInner()
{
var FItem2 = BlockDB.OpenDBFile(FILE_NAME_BODY, 1);
var size2 = 0;
if(FItem2.size !== size2)
{
this.ClearBufMap()
FItem2.size = size2
fs.ftruncateSync(FItem2.fd, FItem2.size)
}
}
TruncateFileBuf(Tree, size)
{
while(true)
{
var Item = Tree.max();
if(Item === null)
break;
if(Item.Position >= size)
{
Tree.remove(Item)
}
else
{
break;
}
}
}
ClearDataBase()
{
this.RewriteAllTransactions()
var FItem1 = BlockDB.OpenDBFile(FILE_NAME_HEADER, 1);
FItem1.size = 0
fs.ftruncateSync(FItem1.fd, FItem1.size)
var FItem2 = BlockDB.OpenDBFile(FILE_NAME_BODY, 1);
FItem2.size = 0
fs.ftruncateSync(FItem2.fd, FItem2.size)
this.BlockNumDB = 0
this.ClearBufMap()
this.ClearStat()
this.CreateGenesisBlocks()
}
ClearBufMap()
{
this.MapHeader = {}
}
RewriteAllTransactions()
{
if(TX_PROCESS.Worker)
TX_PROCESS.Worker.send({cmd:"RewriteAllTransactions"})
}
BlockHeaderToBuf(BufWrite, Block)
{
Block.BodyFileNum = 0
var len = BufWrite.len;
BufWrite.Write(Block.TreeHash, "hash")
BufWrite.Write(Block.AddrHash, "hash")
BufWrite.Write(Block.PrevHash, "hash")
BufWrite.Write(Block.SumHash, "hash")
BufWrite.Write(Block.SumPow, "uint")
BufWrite.Write(Block.BodyFileNum, "uint")
BufWrite.Write(Block.TrDataPos, "uint")
BufWrite.Write(Block.TrDataLen, "uint32")
BufWrite.len = len + BLOCK_HEADER_SIZE
}
BufToBlockHeader(BufRead, Num)
{
var Block = {};
Block.AddInfo = AddInfoBlock.bind(Block)
Block.Info = ""
var len = BufRead.len;
Block.TreeHash = BufRead.Read("hash")
Block.AddrHash = BufRead.Read("hash")
Block.PrevHash = BufRead.Read("hash")
Block.SumHash = BufRead.Read("hash")
Block.SumPow = BufRead.Read("uint")
Block.BodyFileNum = BufRead.Read("uint")
Block.TrDataPos = BufRead.Read("uint")
Block.TrDataLen = BufRead.Read("uint32")
Block.TrCount = 0
BufRead.len = len + BLOCK_HEADER_SIZE
Block.BlockNum = Num
Block.SeqHash = this.GetSeqHash(Block.BlockNum, Block.PrevHash, Block.TreeHash)
if(Block.BlockNum >= BLOCK_PROCESSING_LENGTH2)
{
CalcHashBlockFromSeqAddr(Block)
}
else
{
Block.Hash = this.GetHashGenesis(Block.BlockNum)
Block.PowHash = Block.Hash
}
Block.Power = GetPowPower(Block.PowHash)
if(IsZeroArr(Block.Hash))
return undefined;
return Block;
}
GetRows(start, count, Filter)
{
if(Filter)
{
Filter = Filter.trim()
Filter = Filter.toUpperCase()
}
var MaxAccount = DApps.Accounts.GetMaxAccount();
var WasError = 0;
var arr = [];
for(var num = start; true; num++)
{
var Block = this.ReadBlockHeaderDB(num);
if(!Block)
break;
Block.Num = Block.BlockNum
if(Block.AddrHash)
{
Block.Miner = ReadUintFromArr(Block.AddrHash, 0)
if(Block.BlockNum < 16 || Block.Miner > MaxAccount)
Block.Miner = 0
var Value = GetHashFromSeqAddr(Block.SeqHash, Block.AddrHash, Block.BlockNum, Block.PrevHash);
Block.Hash1 = Value.Hash1
Block.Hash2 = Value.Hash2
}
if(Filter)
{
var Num = Block.BlockNum;
var Bytes = Block.TrDataLen;
var Pow = Block.Power;
var Miner = Block.Miner;
var Date = DateFromBlock(Block.BlockNum);
try
{
if(!eval(Filter))
continue;
}
catch(e)
{
if(!WasError)
ToLog(e)
WasError = 1
}
}
arr.push(Block)
count--
if(count < 1)
break;
}
return arr;
}
GetTrRows(BlockNum, start, count)
{
var arr = [];
var Block = this.ReadBlockDB(BlockNum);
if(Block && Block.arrContent)
for(var num = start; num < start + count; num++)
{
if(num < 0)
continue;
if(num >= Block.arrContent.length)
break;
var Tr = {body:Block.arrContent[num]};
this.CheckCreateTransactionObject(Tr)
Tr.Num = num
Tr.Type = Tr.body[0]
Tr.Length = Tr.body.length
Tr.Body = []
for(var j = 0; j < Tr.body.length; j++)
Tr.Body[j] = Tr.body[j]
var App = DAppByType[Tr.Type];
if(App)
{
Tr.Script = App.GetScriptTransaction(Tr.body)
Tr.Verify = App.GetVerifyTransaction(BlockNum, Tr.Num, Tr.body)
if(Tr.Verify == 1)
Tr.VerifyHTML = "<B style='color:green'>✔</B>"
else
if(Tr.Verify == - 1)
Tr.VerifyHTML = "<B style='color:red'>✘</B>"
else
Tr.VerifyHTML = ""
}
else
{
Tr.Script = ""
Tr.VerifyHTML = ""
}
arr.push(Tr)
}
return arr;
}
ClearStat()
{
var MAX_ARR_PERIOD = MAX_STAT_PERIOD * 2 + 10;
this.StatMap = {StartPos:0, StartBlockNum:0, Length:0, "ArrPower":new Float64Array(MAX_ARR_PERIOD), "ArrPowerMy":new Float64Array(MAX_ARR_PERIOD),
}
}
TruncateStat(LastBlockNum)
{
if(this.StatMap)
{
var LastNumStat = this.StatMap.StartBlockNum + this.StatMap.Length;
var Delta = LastNumStat - LastBlockNum;
if(Delta > 0)
{
this.StatMap.Length -= Delta
if(this.StatMap.Length < 0)
this.StatMap.Length = 0
}
this.StatMap.CaclBlockNum = 0
}
}
GetStatBlockchainPeriod(Param)
{
var StartNum = Param.BlockNum;
if(!Param.Count || Param.Count < 0)
Param.Count = 1000
if(!Param.Miner)
Param.Miner = 0
if(!Param.Adviser)
Param.Adviser = 0
var Map = {};
var ArrList = new Array(Param.Count);
var i = 0;
for(var num = StartNum; num < StartNum + Param.Count; num++)
{
var Power = 0, PowerMy = 0, Nonce = 0;
if(num <= this.BlockNumDB)
{
var Block = this.ReadBlockHeaderDB(num);
if(Block)
{
Power = GetPowPower(Block.PowHash)
var Miner = ReadUintFromArr(Block.AddrHash, 0);
var Nonce = ReadUintFromArr(Block.AddrHash, 6);
if(Param.Miner < 0)
{
if(Param.Adviser)
{
var Adviser = DApps.Accounts.GetAdviserByMiner(Map, Miner);
if(Adviser === Param.Adviser)
PowerMy = Power
}
else
{
PowerMy = Power
}
}
else
if(Miner === Param.Miner && !Param.bMinerLess)
{
PowerMy = Power
}
else
if(Miner <= Param.Miner && Param.bMinerLess)
{
PowerMy = Power
}
}
}
ArrList[i] = PowerMy
if(Param.bNonce && PowerMy)
ArrList[i] = Nonce
i++
}
var AvgValue = 0;
for(var j = 0; j < ArrList.length; j++)
{
if(ArrList[j])
AvgValue += ArrList[j]
}
if(ArrList.length > 0)
AvgValue = AvgValue / ArrList.length
const MaxSizeArr = 1000;
var StepTime = 1;
while(ArrList.length >= MaxSizeArr)
{
if(Param.bNonce)
ArrList = ResizeArrMax(ArrList)
else
ArrList = ResizeArrAvg(ArrList)
StepTime = StepTime * 2
}
return {ArrList:ArrList, AvgValue:AvgValue, steptime:StepTime};
}
GetStatBlockchain(name, MinLength)
{
if(!MinLength)
return [];
var MAX_ARR_PERIOD = MAX_STAT_PERIOD * 2 + 10;
if(!this.StatMap)
{
this.ClearStat()
}
var MaxNumBlockDB = this.GetMaxNumBlockDB();
if(this.StatMap.CaclBlockNum !== MaxNumBlockDB || this.StatMap.CalcMinLength !== MinLength)
{
this.StatMap.CaclBlockNum = MaxNumBlockDB
this.StatMap.CalcMinLength = MinLength
var start = MaxNumBlockDB - MinLength + 1;
var finish = MaxNumBlockDB + 1;
var StartPos = this.StatMap.StartPos;
var ArrPower = this.StatMap.ArrPower;
var ArrPowerMy = this.StatMap.ArrPowerMy;
var StartNumStat = this.StatMap.StartBlockNum;
var FinishNumStat = this.StatMap.StartBlockNum + this.StatMap.Length - 1;
var CountReadDB = 0;
var arr = new Array(MinLength);
var arrmy = new Array(MinLength);
for(var num = start; num < finish; num++)
{
var i = num - start;
var i2 = (StartPos + i) % MAX_ARR_PERIOD;
if(num >= StartNumStat && num <= FinishNumStat && (num < finish - 10))
{
arr[i] = ArrPower[i2]
arrmy[i] = ArrPowerMy[i2]
}
else
{
CountReadDB++
var Power = 0, PowerMy = 0;
if(num <= MaxNumBlockDB)
{
var Block = this.ReadBlockHeaderDB(num);
if(Block)
{
Power = GetPowPower(Block.PowHash)
var Miner = ReadUintFromArr(Block.AddrHash, 0);
if(Miner === GENERATE_BLOCK_ACCOUNT)
{
PowerMy = Power
}
}
}
arr[i] = Power
arrmy[i] = PowerMy
ArrPower[i2] = arr[i]
ArrPowerMy[i2] = arrmy[i]
if(num > FinishNumStat)
{
this.StatMap.StartBlockNum = num - this.StatMap.Length
this.StatMap.Length++
if(this.StatMap.Length > MAX_ARR_PERIOD)
{
this.StatMap.Length = MAX_ARR_PERIOD
this.StatMap.StartBlockNum++
this.StatMap.StartPos++
}
}
}
}
this.StatMap["POWER_BLOCKCHAIN"] = arr
this.StatMap["POWER_MY_WIN"] = arrmy
}
var arr = this.StatMap[name];
if(!arr)
arr = []
var arrT = this.StatMap["POWER_BLOCKCHAIN"];
for(var i = 0; i < arrT.length; i++)
if(!arrT[i])
{
this.StatMap = undefined
break;
}
return arr;
}
GetHashGenesis(Num)
{
return [Num + 1, 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, Num + 1];
}
GetSeqHash(BlockNum, PrevHash, TreeHash)
{
var arr = [GetArrFromValue(BlockNum), PrevHash, TreeHash];
var SeqHash = CalcHashFromArray(arr, true);
return SeqHash;
}
CheckCreateTicketObject(Tr, BlockNum)
{
if(!Tr.HashPow && Tr.HashTicket)
{
Tr.num = BlockNum
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 < global.TR_TICKET_HASH_LENGTH; i++)
FullHashTicket[i] = Tr.HashTicket[i]
WriteUintToArrOnPos(FullHashTicket, Tr.num, global.TR_TICKET_HASH_LENGTH)
Tr.HashPow = sha3(FullHashTicket)
Tr.power = GetPowPower(Tr.HashPow)
Tr.TimePow = Tr.power
}
}
CheckCreateTransactionObject(Tr)
{
if(!Tr.HashPow)
{
Tr.IsTx = 1
Tr.num = ReadUintFromArr(Tr.body, Tr.body.length - 12)
if(Tr.num >= global.BLOCKNUM_TICKET_ALGO)
Tr.HASH = sha3(Tr.body)
else
Tr.HASH = shaarr(Tr.body)
Tr.HashTicket = Tr.HASH.slice(0, global.TR_TICKET_HASH_LENGTH)
this.CheckCreateTicketObject(Tr, Tr.num)
}
}
BlockChainToBuf(WriteNum, StartNum, EndBlockNum)
{
if(StartNum === undefined)
return BufLib.GetNewBuffer(10);
var GetLength = EndBlockNum - StartNum + 1;
var PrevBlock;
if(StartNum > 0)
PrevBlock = this.ReadBlockHeaderDB(StartNum - 1)
var arr = [];
var arr0 = this.PrevBlockChainArr;
if(arr0 && arr0.length === GetLength)
{
var StartNumArr = - 1;
var EndNumArr = - 1;
for(var i = 0; i < arr0.length; i++)
{
var BlockArr = arr0[i];
if(BlockArr.BlockNum === StartNum)
{
StartNumArr = i
}
if(BlockArr.BlockNum <= EndBlockNum)
{
EndNumArr = i
}
}
if(StartNumArr >= 0 && EndNumArr > StartNumArr)
{
var BlockArr = arr0[EndNumArr];
var Block = this.ReadBlockHeaderDB(BlockArr.BlockNum);
if(Block)
if(CompareArr(BlockArr.SumHash, Block.SumHash) == 0)
{
arr0.splice(EndNumArr + 1, arr.length)
if(StartNumArr > 0)
arr0.splice(StartNumArr - 1, StartNumArr)
arr = arr0
PrevBlock = Block
StartNum = Block.BlockNum + 1
}
}
}
for(var num = StartNum; num <= EndBlockNum; num++)
{
var Block = this.ReadBlockHeaderDB(num);
if(!Block || !Block.Prepared || !Block.Hash)
break;
if(PrevBlock)
{
if(!PrevBlock.SumHash)
break;
var SumHash = shaarr2(PrevBlock.SumHash, Block.Hash);
Block.SumHash = SumHash
}
arr.push(Block)
PrevBlock = Block
}
this.PrevBlockChainArr = arr
return this.ArrHeaderToBuf(WriteNum, arr);
}
ArrHeaderToBuf(StartNum, arr)
{
var CountSend = arr.length - BLOCK_PROCESSING_LENGTH2;
var BufWrite;
if(CountSend <= 0)
{
BufWrite = BufLib.GetNewBuffer(10)
}
else
{
var BufSize = 6 + 4 + BLOCK_PROCESSING_LENGTH2 * 32 + 32 + 6 + CountSend * 64;
BufWrite = BufLib.GetNewBuffer(BufSize)
BufWrite.Write(StartNum, "uint")
BufWrite.Write(CountSend, "uint32")
for(var i = 0; i < arr.length; i++)
{
var Block = arr[i];
if(i < BLOCK_PROCESSING_LENGTH2)
{
BufWrite.Write(Block.Hash, "hash")
}
else
{
if(i === BLOCK_PROCESSING_LENGTH2)
{
BufWrite.Write(Block.SumHash, "hash")
BufWrite.Write(Block.SumPow, "uint")
}
BufWrite.Write(Block.TreeHash, "hash")
BufWrite.Write(Block.AddrHash, "hash")
}
}
}
return BufWrite;
}
};
function AddInfo(Block,Str,BlockNumStart)
{
if(!global.STAT_MODE)
return ;
if(!Block.Info)
Block.Info = Str;
else
if(Block.Info.length < 2000)
{
var timesend = "" + SERVER.CurrentBlockNum - BlockNumStart;
var now = GetCurrentTime();
timesend += ".[" + now.getSeconds().toStringZ(2) + "." + now.getMilliseconds().toStringZ(3) + "]";
Str = timesend + ": " + Str;
Block.Info += "\n" + Str;
}
};
global.AddInfoChain = function (Str)
{
if(!global.STAT_MODE)
return ;
if(this.BlockNumStart > GetCurrentBlockNumByTime() - HISTORY_BLOCK_COUNT)
AddInfo(this, Str, this.BlockNumStart);
};
global.AddInfoBlock = function (Block,Str)
{
if(!global.STAT_MODE)
return ;
if(Block && Block.BlockNum && Block.BlockNum > GetCurrentBlockNumByTime() - HISTORY_BLOCK_COUNT)
AddInfo(Block, Str, Block.BlockNum);
};
global.GetNodeStrPort = function (Node)
{
if(!Node)
return "";
if(LOCAL_RUN)
return "" + Node.port;
else
{
if(!Node.ip)
return "";
var arr = Node.ip.split(".");
return "" + arr[2] + "." + arr[3];
}
};