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import { Block } from "@/cache"; | ||
import { createPostgresCache } from "@/cache/postgres"; | ||
import { Event } from "@/types"; | ||
import { describe, it, expect } from "vitest"; | ||
import { Pool } from "pg"; | ||
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const makeEvent = (blockNumber: bigint): Event => ({ | ||
name: "EventName", | ||
params: { string: "value", bigint: blockNumber }, | ||
address: "0x123", | ||
topic: "0x456", | ||
transactionHash: "0x789", | ||
blockNumber, | ||
logIndex: 0, | ||
}); | ||
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const DATABASE_URL = process.env.DATABASE_URL; | ||
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async function createNewPostgresCache() { | ||
const pool = new Pool({ | ||
connectionString: DATABASE_URL, | ||
}); | ||
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const cache = createPostgresCache({ | ||
connectionPool: pool, | ||
schemaName: `test_${Math.random().toString(36).substring(7)}`, | ||
}); | ||
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await cache.migrate(); | ||
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return cache; | ||
} | ||
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describe.runIf(DATABASE_URL !== undefined)("postgres cache", () => { | ||
it("inserts and retrieves events", async () => { | ||
const max256BitBigInt = 2n ** 256n - 1n; | ||
const cache = await createNewPostgresCache(); | ||
|
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const event: Event = { | ||
name: "EventName", | ||
params: { string: "value", bigint: max256BitBigInt }, | ||
address: "0x123", | ||
topic: "0x456", | ||
transactionHash: "0x789", | ||
blockNumber: 100n, | ||
logIndex: 0, | ||
}; | ||
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: [event], | ||
address: "0x123", | ||
fromBlock: 100n, | ||
toBlock: 150n, | ||
}); | ||
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{ | ||
const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
fromBlock: 0n, | ||
toBlock: 150n, | ||
}); | ||
|
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expect(storedEvents).not.toBe(null); | ||
if (storedEvents !== null) { | ||
expect(storedEvents.events.length).toBe(1); | ||
expect(storedEvents.events[0]).toEqual(event); | ||
expect(storedEvents.fromBlock).toEqual(100n); | ||
expect(storedEvents.toBlock).toEqual(150n); | ||
} | ||
} | ||
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{ | ||
const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 0n, | ||
toBlock: 99n, | ||
}); | ||
|
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expect(storedEvents).toBe(null); | ||
} | ||
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{ | ||
const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 100n, | ||
toBlock: 101n, | ||
}); | ||
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expect(storedEvents).not.toBe(null); | ||
if (storedEvents !== null) { | ||
expect(storedEvents.events.length).toBe(1); | ||
expect(storedEvents.events[0]).toEqual(event); | ||
expect(storedEvents.fromBlock).toEqual(100n); | ||
expect(storedEvents.toBlock).toEqual(101n); | ||
} | ||
} | ||
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{ | ||
const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 0n, | ||
toBlock: 100n, | ||
}); | ||
|
||
expect(storedEvents).not.toBe(null); | ||
if (storedEvents !== null) { | ||
expect(storedEvents.events.length).toBe(1); | ||
expect(storedEvents.events[0]).toEqual(event); | ||
expect(storedEvents.fromBlock).toEqual(100n); | ||
expect(storedEvents.toBlock).toEqual(100n); | ||
} | ||
} | ||
}); | ||
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it("merges sequential log ranges", async () => { | ||
const cache = await createNewPostgresCache(); | ||
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const makeEvent = (blockNumber: bigint): Event => ({ | ||
name: "EventName", | ||
params: { string: "value", bigint: blockNumber }, | ||
address: "0x123", | ||
topic: "0x456", | ||
transactionHash: "0x789", | ||
blockNumber, | ||
logIndex: 0, | ||
}); | ||
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const eventsBatch1 = [makeEvent(1n), makeEvent(2n)]; | ||
const eventsBatch2 = [makeEvent(3n), makeEvent(4n)]; | ||
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: eventsBatch1, | ||
address: "0x123", | ||
fromBlock: 1n, | ||
toBlock: 2n, | ||
}); | ||
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: eventsBatch2, | ||
address: "0x123", | ||
fromBlock: 3n, | ||
toBlock: 4n, | ||
}); | ||
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const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 1n, | ||
toBlock: 5n, | ||
}); | ||
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expect(storedEvents).not.toBeNull(); | ||
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if (storedEvents !== null) { | ||
expect(storedEvents.events.length).toBe(4); | ||
const expectedEvents = [...eventsBatch1, ...eventsBatch2]; | ||
expect(storedEvents.events).toEqual(expectedEvents); | ||
expect(storedEvents.fromBlock).toEqual(1n); | ||
expect(storedEvents.toBlock).toEqual(4n); | ||
} | ||
}); | ||
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it("merges overlapping log ranges", async () => { | ||
const cache = await createNewPostgresCache(); | ||
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const eventsBatch1 = [makeEvent(1n), makeEvent(2n)]; | ||
const eventsBatch2 = [makeEvent(2n), makeEvent(4n)]; | ||
|
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: eventsBatch1, | ||
address: "0x123", | ||
fromBlock: 1n, | ||
toBlock: 2n, | ||
}); | ||
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: eventsBatch2, | ||
address: "0x123", | ||
fromBlock: 2n, | ||
toBlock: 4n, | ||
}); | ||
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const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 1n, | ||
toBlock: 5n, | ||
}); | ||
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expect(storedEvents).not.toBeNull(); | ||
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if (storedEvents !== null) { | ||
expect(storedEvents.events.length).toBe(3); | ||
const expectedEvents = [makeEvent(1n), makeEvent(2n), makeEvent(4n)]; | ||
expect(storedEvents.events).toEqual(expectedEvents); | ||
expect(storedEvents.fromBlock).toEqual(1n); | ||
expect(storedEvents.toBlock).toEqual(4n); | ||
} | ||
}); | ||
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it("returns empty array if range not fetched", async () => { | ||
const cache = await createNewPostgresCache(); | ||
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await cache.insertEvents({ | ||
chainId: 1, | ||
events: [makeEvent(1n)], | ||
address: "0x123", | ||
fromBlock: 1n, | ||
toBlock: 2n, | ||
}); | ||
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const storedEvents = await cache.getEvents({ | ||
chainId: 1, | ||
address: "0x123", | ||
topic0: "0x456", | ||
fromBlock: 3n, | ||
toBlock: 4n, | ||
}); | ||
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expect(storedEvents).toBeNull(); | ||
}); | ||
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describe("block cache", async () => { | ||
it("returns null on non existent blocks", async () => { | ||
const cache = await createNewPostgresCache(); | ||
const cachedBlock = await cache.getBlockByNumber({ | ||
chainId: 1, | ||
blockNumber: 1n, | ||
}); | ||
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expect(cachedBlock).toBeNull(); | ||
}); | ||
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it("returns block on existent blocks", async () => { | ||
const cache = await createNewPostgresCache(); | ||
const block: Block = { | ||
chainId: 1, | ||
blockNumber: 1n, | ||
blockHash: "0x123", | ||
timestamp: 123, | ||
}; | ||
await cache.insertBlock(block); | ||
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const cachedBlock = await cache.getBlockByNumber({ | ||
chainId: 1, | ||
blockNumber: 1n, | ||
}); | ||
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expect(cachedBlock).toEqual(block); | ||
}); | ||
}); | ||
}); |
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