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Also save and load blocks to cache.json for speedy restarts.

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softsimon 2020-02-29 21:52:04 +07:00
parent 50b4e1523e
commit 39394e1178
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GPG Key ID: 488D7DCFB5A430D7
2 changed files with 18 additions and 4 deletions
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4
backend/src/api/blocks.ts
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@ -14,6 +14,10 @@ class Blocks {
return this.blocks;
}
public setBlocks(blocks: Block[]) {
this.blocks = blocks;
}
public setNewBlockCallback(fn: Function) {
this.newBlockCallback = fn;
}

18
backend/src/api/disk-cache.ts
View File

@ -1,13 +1,17 @@
import * as fs from 'fs';
import memPool from './mempool';
import blocks from './blocks';
class DiskCache {
static FILE_NAME = './cache.json';
constructor() {
process.on('SIGINT', () => {
this.saveData(JSON.stringify(memPool.getMempool()));
console.log('Mempool data saved to disk cache');
this.saveData(JSON.stringify({
mempool: memPool.getMempool(),
blocks: blocks.getBlocks(),
}));
console.log('Mempool and blocks data saved to disk cache');
process.exit(2);
});
}
@ -15,8 +19,14 @@ class DiskCache {
loadMempoolCache() {
const cacheData = this.loadData();
if (cacheData) {
console.log('Restoring mempool data from disk cache');
memPool.setMempool(JSON.parse(cacheData));
console.log('Restoring mempool and blocks data from disk cache');
const data = JSON.parse(cacheData);
if (data.mempool) {
memPool.setMempool(data.mempool);
blocks.setBlocks(data.blocks);
} else {
memPool.setMempool(data);
}
}
}