public virtual async Task forkchoiceUpdatedV1_should_communicate_with_boost_relay_through_http()
{
MergeConfig mergeConfig = new() { Enabled = true, SecondsPerSlot = 1, TerminalTotalDifficulty = "0" };
using MergeTestBlockchain chain = await CreateBlockChain(mergeConfig);
IJsonSerializer serializer = chain.JsonSerializer;
UInt256 timestamp = Timestamper.UnixTime.Seconds;
PayloadAttributes payloadAttributes = new() { Timestamp = timestamp, SuggestedFeeRecipient = Address.Zero, PrevRandao = Keccak.Zero };
string relayUrl = "http://localhost";
MockHttpMessageHandler mockHttp = new();
mockHttp.Expect(HttpMethod.Post, relayUrl + BoostRelay.GetPayloadAttributesPath)
.WithContent("{\"timestamp\":\"0x3e8\",\"prevRandao\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"suggestedFeeRecipient\":\"0x0000000000000000000000000000000000000000\"}")
.Respond("application/json", "{\"timestamp\":\"0x3e9\",\"prevRandao\":\"0x03783fac2efed8fbc9ad443e592ee30e61d65f471140c10ca155e937b435b760\",\"suggestedFeeRecipient\":\"0xb7705ae4c6f81b66cdb323c65f4e8133690fc099\"}");
mockHttp.Expect(HttpMethod.Post, relayUrl + BoostRelay.SendPayloadPath)
.WithContent("{\"block\":{\"parentHash\":\"0x1c53bdbf457025f80c6971a9cf50986974eed02f0a9acaeeb49cafef10efd133\",\"feeRecipient\":\"0xb7705ae4c6f81b66cdb323c65f4e8133690fc099\",\"stateRoot\":\"0x1ef7300d8961797263939a3d29bbba4ccf1702fabf02d8ad7a20b454edb6fd2f\",\"receiptsRoot\":\"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421\",\"logsBloom\":\"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000\",\"prevRandao\":\"0x03783fac2efed8fbc9ad443e592ee30e61d65f471140c10ca155e937b435b760\",\"blockNumber\":\"0x1\",\"gasLimit\":\"0x3d0900\",\"gasUsed\":\"0x0\",\"timestamp\":\"0x3e9\",\"extraData\":\"0x\",\"baseFeePerGas\":\"0x0\",\"blockHash\":\"0xb519d89363b891216dbf9bd046f226cae9348a90ba0db00e7ade437fff7a1510\",\"transactions\":[]},\"profit\":\"0x0\"}");
DefaultHttpClient defaultHttpClient = new(mockHttp.ToHttpClient(), serializer, chain.LogManager, 1, 100);
BoostRelay boostRelay = new(defaultHttpClient, relayUrl);
BoostBlockImprovementContextFactory improvementContextFactory = new(chain.BlockProductionTrigger, TimeSpan.FromSeconds(5000), boostRelay, chain.StateReader);
TimeSpan timePerSlot = TimeSpan.FromSeconds(1000);
chain.PayloadPreparationService = new PayloadPreparationService(
chain.PostMergeBlockProducer !,
improvementContextFactory,
TimerFactory.Default,
chain.LogManager,
timePerSlot);
IEngineRpcModule rpc = CreateEngineModule(chain);
Keccak startingHead = chain.BlockTree.HeadHash;
ManualResetEvent wait = new(false);
chain.PayloadPreparationService.BlockImproved += (_, _) => wait.Set();
string payloadId = rpc.engine_forkchoiceUpdatedV1(new ForkchoiceStateV1(startingHead, Keccak.Zero, startingHead),
payloadAttributes).Result.Data
.PayloadId !;
await wait.WaitOneAsync(100, CancellationToken.None);
ResultWrapper <ExecutionPayloadV1?> response = await rpc.engine_getPayloadV1(Bytes.FromHexString(payloadId));
ExecutionPayloadV1 executionPayloadV1 = response.Data !;
executionPayloadV1.FeeRecipient.Should().Be(TestItem.AddressA);
executionPayloadV1.PrevRandao.Should().Be(TestItem.KeccakA);
mockHttp.VerifyNoOutstandingExpectation();
}
[Test]
public async Task forkchoiceUpdatedV1_should_communicate_with_boost_relay()
{
MergeConfig mergeConfig = new() { Enabled = true, SecondsPerSlot = 1, TerminalTotalDifficulty = "0" };
using MergeTestBlockchain chain = await CreateBlockChain(mergeConfig);
IBoostRelay boostRelay = Substitute.For <IBoostRelay>();
boostRelay.GetPayloadAttributes(Arg.Any <PayloadAttributes>(), Arg.Any <CancellationToken>())
.Returns(c =>
{
PayloadAttributes payloadAttributes = c.Arg <PayloadAttributes>();
payloadAttributes.SuggestedFeeRecipient = TestItem.AddressA;
payloadAttributes.PrevRandao = TestItem.KeccakA;
payloadAttributes.Timestamp += 1;
payloadAttributes.GasLimit = 10_000_000L;
return(payloadAttributes);
});
BoostBlockImprovementContextFactory improvementContextFactory = new(chain.BlockProductionTrigger, TimeSpan.FromSeconds(5), boostRelay, chain.StateReader);
TimeSpan timePerSlot = TimeSpan.FromSeconds(10);
chain.PayloadPreparationService = new PayloadPreparationService(
chain.PostMergeBlockProducer !,
improvementContextFactory,
TimerFactory.Default,
chain.LogManager,
timePerSlot);
IEngineRpcModule rpc = CreateEngineModule(chain);
Keccak startingHead = chain.BlockTree.HeadHash;
UInt256 timestamp = Timestamper.UnixTime.Seconds;
Keccak random = Keccak.Zero;
Address feeRecipient = Address.Zero;
BoostExecutionPayloadV1?sentItem = null;
boostRelay.When(b => b.SendPayload(Arg.Any <BoostExecutionPayloadV1>(), Arg.Any <CancellationToken>()))
.Do(c => sentItem = c.Arg <BoostExecutionPayloadV1>());
ManualResetEvent wait = new(false);
chain.PayloadPreparationService.BlockImproved += (_, _) => wait.Set();
string payloadId = rpc.engine_forkchoiceUpdatedV1(new ForkchoiceStateV1(startingHead, Keccak.Zero, startingHead),
new PayloadAttributes {
Timestamp = timestamp, SuggestedFeeRecipient = feeRecipient, PrevRandao = random
}).Result.Data
.PayloadId !;
await wait.WaitOneAsync(100, CancellationToken.None);
ResultWrapper <ExecutionPayloadV1?> response = await rpc.engine_getPayloadV1(Bytes.FromHexString(payloadId));
ExecutionPayloadV1 executionPayloadV1 = response.Data !;
executionPayloadV1.FeeRecipient.Should().Be(TestItem.AddressA);
executionPayloadV1.PrevRandao.Should().Be(TestItem.KeccakA);
executionPayloadV1.GasLimit.Should().Be(10_000_000L);
executionPayloadV1.Should().BeEquivalentTo(sentItem !.Block);
sentItem.Profit.Should().Be(0);
}