tera/src/process/pow-process.ts

140 lines
4.3 KiB
TypeScript

/*
* @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
*/
global.PROCESS_NAME = "POW";
global.POWPROCESS = 1;
import "../core/library"
import "../core/crypto-library"
import "../core/terahashmining"
var PROCESS = process;
if (process.send && !global.DEBUGPROCESS) {
process.send({ cmd: "online", message: "OK" });
} else {
PROCESS = global.DEBUGPROCESS;
}
var LastAlive = Date.now();
setInterval(CheckAlive, 1000);
var idInterval = undefined;
var Block: any = {};
PROCESS.on('message', function(msg) {
LastAlive = Date.now();
if (msg.cmd === "FastCalcBlock") {
var FastBlock = msg;
StartHashPump(FastBlock);
FastBlock.RunCount = 0;
try {
if (global.CreatePOWVersionX(FastBlock))
process.send({
cmd: "POW",
BlockNum: FastBlock.BlockNum,
SeqHash: FastBlock.SeqHash,
Hash: FastBlock.Hash,
PowHash: FastBlock.PowHash,
AddrHash: FastBlock.AddrHash,
Num: FastBlock.Num
});
} catch (e) {
global.ToError(e);
}
} else
if (msg.cmd === "SetBlock") {
var StartNonce = 1000000 * (1 + msg.Num);
if (Block.HashCount) {
process.send({ cmd: "HASHRATE", CountNonce: Block.HashCount, Hash: Block.Hash });
}
Block.HashCount = 0;
Block = msg;
Block.Time = Date.now();
Block.LastNonce = StartNonce;
Block.Period = global.CONSENSUS_PERIOD_TIME * Block.Percent / 100;
if (Block.Period > 0 && Block.RunPeriod > 0) {
CalcPOWHash();
if (idInterval !== undefined) {
clearInterval(idInterval);
}
idInterval = setInterval(CalcPOWHash, Block.RunPeriod);
}
} else
if (msg.cmd === "Alive") {
} else
if (msg.cmd === "Exit") {
PROCESS.exit(0);
}
});
function CheckAlive() {
if (global.NOALIVE)
return;
var Delta = Date.now() - LastAlive;
if (Math.abs(Delta) > global.CHECK_STOP_CHILD_PROCESS) {
PROCESS.exit(0);
return;
}
};
function CalcPOWHash() {
if (!Block.SeqHash)
return;
if ((new Date() as any) - Block.Time > Block.Period) {
clearInterval(idInterval);
idInterval = undefined;
return;
}
try {
if (global.CreatePOWVersionX(Block))
process.send({
cmd: "POW", BlockNum: Block.BlockNum, SeqHash: Block.SeqHash, Hash: Block.Hash, PowHash: Block.PowHash, AddrHash: Block.AddrHash,
Num: Block.Num
});
} catch (e) {
global.ToError(e);
}
};
global.BlockPump = undefined;
var idIntervalPump = undefined;
function StartHashPump(SetBlock) {
if (!global.BlockPump || global.BlockPump.BlockNum < SetBlock.BlockNum || global.BlockPump.MinerID !== SetBlock.MinerID || global.BlockPump.Percent !== SetBlock.Percent) {
global.BlockPump = {
BlockNum: SetBlock.BlockNum,
RunCount: SetBlock.RunCount,
MinerID: SetBlock.MinerID,
Percent: SetBlock.Percent,
LastNonce: 0,
};
}
if (!idIntervalPump) {
idIntervalPump = setInterval(PumpHash, global.POWRunPeriod);
}
};
var StartTime = 1;
var EndTime = 0;
function PumpHash() {
if (!global.BlockPump)
return;
var CurTime = Date.now();
if (StartTime > EndTime) {
var Delta = CurTime - StartTime;
var PeriodPercent = 100 * Delta / global.CONSENSUS_PERIOD_TIME;
if (PeriodPercent >= global.BlockPump.Percent) {
EndTime = CurTime;
return;
}
global.CreatePOWVersionX(global.BlockPump, 1);
} else {
var Delta = CurTime - EndTime;
var PeriodPercent = 100 * Delta / global.CONSENSUS_PERIOD_TIME;
if (PeriodPercent > 100 - global.BlockPump.Percent) {
StartTime = CurTime;
}
}
};