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fix and improve block time predictions

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dce775e but then on the backed after refractor #1352
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Antoni Spaanderman 2022-03-15 20:39:25 +01:00
parent 53777e84c9
commit dbcc46be5f
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GPG Key ID: AE0B68E552E5DF8C
1 changed files with 10 additions and 14 deletions
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24
backend/src/api/difficulty-adjustment.ts
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@ -22,7 +22,7 @@ class DifficultyAdjustmentApi {
let difficultyChange = 0; let difficultyChange = 0;
if (remainingBlocks < 1870) { if (remainingBlocks < 1870) {
if (blocksInEpoch > 0) { if (blocksInEpoch > 0) {
difficultyChange = (600 / (diff / blocksInEpoch ) - 1) * 100; difficultyChange = (600 / (diff / blocksInEpoch) - 1) * 100;
} }
if (difficultyChange > 300) { if (difficultyChange > 300) {
difficultyChange = 300; difficultyChange = 300;
@ -32,22 +32,18 @@ class DifficultyAdjustmentApi {
} }
} }
const timeAvgDiff = difficultyChange * 0.1; let timeAvgMins = blocksInEpoch ? diff / blocksInEpoch / 60 : 10;
let timeAvgMins = 10; // Testnet difficulty is set to 1 after 20 minutes of no blocks,
if (timeAvgDiff > 0) {
timeAvgMins -= Math.abs(timeAvgDiff);
} else {
timeAvgMins += Math.abs(timeAvgDiff);
}
// Testnet difficulty is set to 1 after 20 minutes of no blockSize,
// therefore the time between blocks will always be below 20 minutes (1200s). // therefore the time between blocks will always be below 20 minutes (1200s).
let timeOffset = 0; let timeOffset = 0;
if (config.MEMPOOL.NETWORK === 'testnet' && now - latestBlock.timestamp + timeAvgMins * 60 > 1200) { if (config.MEMPOOL.NETWORK === 'testnet') {
timeOffset = -Math.min(now - latestBlock.timestamp, 1200) * 1000; if (timeAvgMins > 20) {
timeAvgMins = 20; timeAvgMins = 20;
}
if (now - latestBlock.timestamp + timeAvgMins * 60 > 1200) {
timeOffset = -Math.min(now - latestBlock.timestamp, 1200) * 1000;
}
} }
const timeAvg = timeAvgMins * 60 * 1000 ; const timeAvg = timeAvgMins * 60 * 1000 ;