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Refactor getDifficultyChange endpoint.

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This commit is contained in:
Miguel Medeiros 2021-08-25 21:14:01 -03:00
parent c7db81c97c
commit 05936f82bd
1 changed files with 25 additions and 12 deletions
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35
backend/src/routes.ts
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@ -693,37 +693,50 @@ class Routes {
public getDifficultyChange(req: Request, res: Response) { public getDifficultyChange(req: Request, res: Response) {
try { try {
const now = new Date().getTime() / 1000;
const DATime = blocks.getLastDifficultyAdjustmentTime(); const DATime = blocks.getLastDifficultyAdjustmentTime();
const previousRetarget = blocks.getPreviousDifficultyRetarget(); const previousRetarget = blocks.getPreviousDifficultyRetarget();
const diff = now - DATime;
const blockHeight = blocks.getCurrentBlockHeight(); const blockHeight = blocks.getCurrentBlockHeight();
const now = new Date().getTime() / 1000;
const diff = now - DATime;
const blocksInEpoch = blockHeight % 2016; const blocksInEpoch = blockHeight % 2016;
const difficultyChange = (600 / (diff / blocksInEpoch) - 1) * 100; const progressPercent = (blocksInEpoch >= 0) ? blocksInEpoch / 2016 * 100 : 100;
const remainingBlocks = 2016 - blocksInEpoch;
const nextRetargetHeight = blockHeight + remainingBlocks;
let difficultyChange = 0;
if (blocksInEpoch > 0) {
difficultyChange = (600 / (diff / blocksInEpoch ) - 1) * 100;
}
if (difficultyChange > 300) {
difficultyChange = 300;
}
if (difficultyChange < -75) {
difficultyChange = -75;
}
const timeAvgDiff = difficultyChange * 0.1; const timeAvgDiff = difficultyChange * 0.1;
let timeAvgMins = 10; let timeAvgMins = 10;
if (timeAvgDiff > 0 ){ if (timeAvgDiff > 0) {
timeAvgMins -= Math.abs(timeAvgDiff); timeAvgMins -= Math.abs(timeAvgDiff);
} else { } else {
timeAvgMins += Math.abs(timeAvgDiff); timeAvgMins += Math.abs(timeAvgDiff);
} }
const remainingBlocks = 2016 - blocksInEpoch; const timeAvg = timeAvgMins * 60;
const timeAvgSeconds = timeAvgMins * 60; const remainingTime = remainingBlocks * timeAvg;
const remainingTime = remainingBlocks * timeAvgSeconds; const estimatedRetargetDate = remainingTime + now;
const estimatedRetargetDate = (remainingTime + now);
const totalTime = estimatedRetargetDate-DATime;
const progressPercent = 100 - ((remainingTime * 100) / totalTime);
const result={ const result = {
progressPercent, progressPercent,
difficultyChange, difficultyChange,
estimatedRetargetDate, estimatedRetargetDate,
remainingBlocks, remainingBlocks,
remainingTime, remainingTime,
previousRetarget, previousRetarget,
nextRetargetHeight,
timeAvg,
} }
res.json(result); res.json(result);