public async Task forkchoiceUpdatedV1_should_ignore_gas_limit([Values(false, true)] bool relay)
{
MergeConfig mergeConfig = new() { Enabled = true, SecondsPerSlot = 1, TerminalTotalDifficulty = "0" };
using MergeTestBlockchain chain = await CreateBlockChain(mergeConfig);
IBlockImprovementContextFactory improvementContextFactory;
if (relay)
{
IBoostRelay boostRelay = Substitute.For <IBoostRelay>();
boostRelay.GetPayloadAttributes(Arg.Any <PayloadAttributes>(), Arg.Any <CancellationToken>())
.Returns(c => c.Arg <PayloadAttributes>());
improvementContextFactory = new BoostBlockImprovementContextFactory(chain.BlockProductionTrigger, TimeSpan.FromSeconds(5), boostRelay, chain.StateReader);
}
else
{
improvementContextFactory = new BlockImprovementContextFactory(chain.BlockProductionTrigger, TimeSpan.FromSeconds(5));
}
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;
string payloadId = rpc.engine_forkchoiceUpdatedV1(new ForkchoiceStateV1(startingHead, Keccak.Zero, startingHead),
new PayloadAttributes {
Timestamp = timestamp, SuggestedFeeRecipient = feeRecipient, PrevRandao = random, GasLimit = 10_000_000L
}).Result.Data
.PayloadId !;
ResultWrapper <ExecutionPayloadV1?> response = await rpc.engine_getPayloadV1(Bytes.FromHexString(payloadId));
ExecutionPayloadV1 executionPayloadV1 = response.Data !;
executionPayloadV1.GasLimit.Should().Be(4_000_000L);
}
private async Task <Block?> StartImprovingBlock(
IManualBlockProductionTrigger blockProductionTrigger,
BlockHeader parentHeader,
PayloadAttributes payloadAttributes,
CancellationToken cancellationToken)
{
payloadAttributes = await _boostRelay.GetPayloadAttributes(payloadAttributes, cancellationToken);
UInt256 balanceBefore = _stateReader.GetAccount(parentHeader.StateRoot !, payloadAttributes.SuggestedFeeRecipient)?.Balance ?? UInt256.Zero;
Block? block = await blockProductionTrigger.BuildBlock(parentHeader, cancellationToken, NullBlockTracer.Instance, payloadAttributes);
if (block is not null)
{
CurrentBestBlock = block;
UInt256 balanceAfter = _stateReader.GetAccount(block.StateRoot !, payloadAttributes.SuggestedFeeRecipient)?.Balance ?? UInt256.Zero;
await _boostRelay.SendPayload(new BoostExecutionPayloadV1 { Block = new ExecutionPayloadV1(block), Profit = balanceAfter - balanceBefore }, cancellationToken);
}
return(CurrentBestBlock);
}
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);
}