74 lines
1.9 KiB
TypeScript
74 lines
1.9 KiB
TypeScript
import { mockRpcPool } from "../../mocks/mockRpcPool";
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mockRpcPool();
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import { describe, it, expect, afterEach, afterAll } from "@jest/globals";
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import { BscEvmJsonRPCBlockRepository } from "../../../src/infrastructure/repositories";
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import { InstrumentedHttpProvider } from "../../../src/infrastructure/rpc/http/InstrumentedHttpProvider";
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import { EvmTag } from "../../../src/domain/entities/evm";
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import axios from "axios";
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import nock from "nock";
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axios.defaults.adapter = "http"; // needed by nock
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const rpc = "http://localhost";
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const bsc = "bsc";
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let repo: BscEvmJsonRPCBlockRepository;
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describe("BscEvmJsonRPCBlockRepository", () => {
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afterAll(() => {
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nock.restore();
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});
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afterEach(() => {
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nock.cleanAll();
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});
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it("should be able to get block height with the latest commitment", async () => {
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// Given
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const originalBlock = 1980809n;
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const expectedBlock = 1980794n;
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givenARepo();
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givenBlockHeightIs(originalBlock, "latest");
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// When
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const result = await repo.getBlockHeight(bsc, "latest");
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// Then
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expect(result).toBe(expectedBlock);
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});
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});
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const givenARepo = () => {
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repo = new BscEvmJsonRPCBlockRepository(
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{
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chains: {
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bsc: { rpcs: [rpc], timeout: 100, name: bsc, network: "mainnet", chainId: 4 },
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},
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environment: "testnet",
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},
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{ bsc: { get: () => new InstrumentedHttpProvider({ url: rpc, chain: "bsc" }) } } as any
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);
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};
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const givenBlockHeightIs = (height: bigint, commitment: EvmTag) => {
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nock(rpc)
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.post("/", {
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jsonrpc: "2.0",
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method: "eth_getBlockByNumber",
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params: [commitment, false],
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id: 1,
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})
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.reply(200, {
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jsonrpc: "2.0",
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id: 1,
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result: {
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number: `0x${height.toString(16)}`,
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hash: blockHash(height),
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timestamp: "0x654a892f",
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},
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});
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};
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const blockHash = (blockNumber: bigint) => `0x${blockNumber.toString(16)}`;
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