machankura/mempool
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Difficulty adjustment refactor

Browse Source 
fixes #1157
This commit is contained in:
softsimon
2022-03-12 14:55:42 +01:00
parent 174d1874dd
commit 45206ea90e
13 changed files with 155 additions and 203 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
backend/src/routes.ts
View File

@@ -25,6 +25,7 @@ import axios from 'axios';
import mining from './api/mining';
import BlocksRepository from './repositories/BlocksRepository';
import HashratesRepository from './repositories/HashratesRepository';
import difficultyAdjustment from './api/difficulty-adjustment';
class Routes {
constructor() {}
@@ -847,55 +848,7 @@ class Routes {
public getDifficultyChange(req: Request, res: Response) {
try {
const DATime = blocks.getLastDifficultyAdjustmentTime();
const previousRetarget = blocks.getPreviousDifficultyRetarget();
const blockHeight = blocks.getCurrentBlockHeight();
const now = new Date().getTime() / 1000;
const diff = now - DATime;
const blocksInEpoch = blockHeight % 2016;
const progressPercent = (blocksInEpoch >= 0) ? blocksInEpoch / 2016 * 100 : 100;
const remainingBlocks = 2016 - blocksInEpoch;
const nextRetargetHeight = blockHeight + remainingBlocks;
let difficultyChange = 0;
if (remainingBlocks < 1870) {
if (blocksInEpoch > 0) {
difficultyChange = (600 / (diff / blocksInEpoch ) - 1) * 100;
}
if (difficultyChange > 300) {
difficultyChange = 300;
}
if (difficultyChange < -75) {
difficultyChange = -75;
}
}
const timeAvgDiff = difficultyChange * 0.1;
let timeAvgMins = 10;
if (timeAvgDiff > 0) {
timeAvgMins -= Math.abs(timeAvgDiff);
} else {
timeAvgMins += Math.abs(timeAvgDiff);
}
const timeAvg = timeAvgMins * 60;
const remainingTime = remainingBlocks * timeAvg;
const estimatedRetargetDate = remainingTime + now;
const result = {
progressPercent,
difficultyChange,
estimatedRetargetDate,
remainingBlocks,
remainingTime,
previousRetarget,
nextRetargetHeight,
timeAvg,
};
res.json(result);
res.json(difficultyAdjustment.getDifficultyAdjustment());
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);
}