add initial benchmarks

benchmarks/datastore.js

@@ -0,0 +1,43 @@
+import benchmark from 'nanobench'
+import { createDataStore } from '../tests/helpers/datastore.js'
+
+const datastore = await createDataStore({
+    dataTypes: [
+        {
+            name: 'example',
+            blockPrefix: '0',
+            schema: {
+              type: 'object',
+              properties: {
+                id: { type: 'string' },
+                version: { type: 'string' },
+                value: { type: 'string' },
+                created: { type: 'number' },
+                updated: { type: 'number' },
+                timestamp: { type: 'number' },
+                links: { type: 'array' },
+                forks: { type: 'array' },
+                authorId: { type: 'string' },
+              },
+              additionalProperties: false,
+            },
+            extraColumns: `
+              value TEXT,
+              created INTEGER,
+              updated INTEGER,
+              timestamp INTEGER,
+              authorId TEXT
+            `,
+        }
+    ]
+})
+
+benchmark('create', async (b) => {
+    b.start()
+    for (let i = 0; i < 1000; i = i + 1) {
+        await datastore.create('example', {
+            value: `value ${i}`,
+        })
+    }
+    b.end()
+})

package.json

@@ -16,6 +16,7 @@
     "lint": "eslint .",
     "format": "prettier . --write",
     "test": "brittle tests/*.js",
+    "bench": "nanobench benchmarks/*.js",
     "type": "tsc",
     "deps": "depcheck --ignore-dirs=docs,types --ignores=@types/*,typescript,typedoc,typedoc-plugin-markdown,@hyperswarm/testnet",
     "doc": "typedoc --plugin typedoc-plugin-markdown --out docs/api",
@@ -51,6 +52,7 @@
     "depcheck": "^1.4.3",
     "eslint": "^8.30.0",
     "eslint-config-prettier": "^8.5.0",
+    "nanobench": "^3.0.0",
     "prettier": "^2.8.1",
     "random-access-memory": "^6.1.0",
     "rimraf": "^4.1.2",

tests/helpers/datastore.js

@@ -0,0 +1,27 @@
+import ram from 'random-access-memory'
+import Corestore from 'corestore'
+import b4a from 'b4a'
+
+import { DataStore } from '../../lib/datastore/index.js'
+import { Sqlite } from '../../lib/sqlite.js'
+
+import { createIdentityKeys } from './index.js'
+
+export async function createDataStore (options) {
+    const { dataTypes } = options
+    const { identityKeyPair, keyManager } = createIdentityKeys()
+    const keyPair = keyManager.getHypercoreKeypair('data', b4a.alloc(32))
+    const corestore = new Corestore(ram)
+    const sqlite = new Sqlite(':memory:')
+
+    const datastore = new DataStore({
+    corestore,
+    sqlite,
+    keyPair,
+        identityPublicKey: identityKeyPair.publicKey,
+        dataTypes
+    })
+
+    await datastore.ready()
+    return datastore
+}

types/modules.d.ts

@@ -5,6 +5,7 @@
 // - DhtNode
 
 declare module 'brittle'
+declare module 'nanobench'
 declare module 'multi-core-indexer'
 declare module '@mapeo/sqlite-indexer'
 declare module 'sodium-universal'