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fix: Use data dir for lmdb forks #7973

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merged 1 commit into from
Aug 14, 2024
Merged

fix: Use data dir for lmdb forks #7973

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11 changes: 6 additions & 5 deletions yarn-project/kv-store/src/lmdb/store.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import { createDebugLogger } from '@aztec/foundation/log';
import { mkdtemp } from 'fs/promises';
import { type Database, type Key, type RootDatabase, open } from 'lmdb';
import { tmpdir } from 'os';
import { join } from 'path';
import { dirname, join } from 'path';

import { type AztecArray } from '../interfaces/array.js';
import { type AztecCounter } from '../interfaces/counter.js';
Expand All @@ -25,7 +25,7 @@ export class AztecLmdbStore implements AztecKVStore {
#data: Database<unknown, Key>;
#multiMapData: Database<unknown, Key>;

constructor(rootDb: RootDatabase, public readonly isEphemeral: boolean) {
constructor(rootDb: RootDatabase, public readonly isEphemeral: boolean, private path?: string) {
this.#rootDb = rootDb;

// big bucket to store all the data
Expand Down Expand Up @@ -61,18 +61,19 @@ export class AztecLmdbStore implements AztecKVStore {
): AztecLmdbStore {
log.info(`Opening LMDB database at ${path || 'temporary location'}`);
const rootDb = open({ path, noSync: ephemeral });
return new AztecLmdbStore(rootDb, ephemeral);
return new AztecLmdbStore(rootDb, ephemeral, path);
}

/**
* Forks the current DB into a new DB by backing it up to a temporary location and opening a new lmdb db.
* @returns A new AztecLmdbStore.
*/
async fork() {
const forkPath = join(await mkdtemp(join(tmpdir(), 'aztec-store-fork-')), 'root.mdb');
const baseDir = this.path ? dirname(this.path) : tmpdir();
const forkPath = join(await mkdtemp(join(baseDir, 'aztec-store-fork-')), 'root.mdb');
await this.#rootDb.backup(forkPath, false);
const forkDb = open(forkPath, { noSync: this.isEphemeral });
return new AztecLmdbStore(forkDb, this.isEphemeral);
return new AztecLmdbStore(forkDb, this.isEphemeral, forkPath);
}

/**
Expand Down
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