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Deploy script (#52)

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* No-downtime deploy script
* Easier to use helper for average numbers
This commit is contained in:
Maciej Hirsz
2018-09-25 11:53:57 +02:00
committed by GitHub
parent e0012099c0
commit df56e33bf6
9 changed files with 91 additions and 29 deletions
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packages/backend/src/Chain.ts
+4 -4
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@@ -2,7 +2,7 @@ import * as EventEmitter from 'events';
import Node from './Node';
import Feed from './Feed';
import FeedSet from './FeedSet';
import { Maybe, Types, FeedMessage, blockAverage } from '@dotstats/common';
import { Maybe, Types, FeedMessage, NumStats } from '@dotstats/common';
const BLOCK_TIME_HISTORY = 10;
@@ -16,7 +16,7 @@ export default class Chain {
public height = 0 as Types.BlockNumber;
public blockTimestamp = 0 as Types.Timestamp;
private blockTimes: Array<number> = new Array(BLOCK_TIME_HISTORY).fill(0);
private blockTimes = new NumStats<Types.Milliseconds>(BLOCK_TIME_HISTORY);
private averageBlockTime: Maybe<Types.Milliseconds> = null;
constructor(label: Types.ChainLabel) {
@@ -110,9 +110,9 @@ export default class Chain {
}
private updateAverageBlockTime(height: Types.BlockNumber, now: Types.Timestamp) {
this.blockTimes[height % BLOCK_TIME_HISTORY] = now - this.blockTimestamp;
this.blockTimes.push((now - this.blockTimestamp) as Types.Milliseconds);
// We are guaranteed that count > 0
this.averageBlockTime = blockAverage(this.blockTimes);
this.averageBlockTime = this.blockTimes.average();
}
}