public void GetFeeHistory_HashParameter_ReturnsFailingWrapper()
{
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle();
ResultWrapper <FeeHistoryResults> expected =
ResultWrapper <FeeHistoryResults> .Fail("newestBlock: Is not correct block number", ErrorCodes.InvalidParams);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(0, new BlockParameter(TestItem.KeccakA));
resultWrapper.Should().BeEquivalentTo(expected);
}
public void GetFeeHistory_BlocksToCheckLess1_ReturnsFailingWrapper()
{
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle();
ResultWrapper <FeeHistoryResults> expected =
ResultWrapper <FeeHistoryResults> .Fail("blockCount: Value 0 is less than 1", ErrorCodes.InvalidParams);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(0, BlockParameter.Latest);
resultWrapper.Should().BeEquivalentTo(expected);
}
public void GetFeeHistory_IfRewardPercentilesContainInvalidNumber_ResultsInFailure(double[] rewardPercentiles)
{
int blockCount = 10;
IBlockFinder blockFinder = Substitute.For <IBlockFinder>();
blockFinder.FindBlock(BlockParameter.Latest).Returns(Build.A.Block.TestObject);
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle(blockFinder: blockFinder);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(blockCount, BlockParameter.Latest, rewardPercentiles);
resultWrapper.Result.Error.Should().Be("rewardPercentiles: Some values are below 0 or greater than 100.");
resultWrapper.Result.ResultType.Should().Be(ResultType.Failure);
}
public void GetFeeHistory_NewestBlockIsNull_ReturnsFailingWrapper()
{
IBlockFinder blockFinder = Substitute.For <IBlockFinder>();
blockFinder.FindBlock(Arg.Any <long>()).Returns((Block?)null);
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle(blockFinder: blockFinder);
ResultWrapper <FeeHistoryResults> expected =
ResultWrapper <FeeHistoryResults> .Fail("newestBlock: Block is not available",
ErrorCodes.ResourceUnavailable);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(1, new BlockParameter((long)0));
resultWrapper.Should().BeEquivalentTo(expected);
}
public void GetFeeHistory_IfPendingBlockDoesNotExistAndLastBlockNumberGreaterThanHeadNumber_ReturnsError(long pendingBlockNumber, long lastBlockNumber)
{
IBlockFinder blockFinder = Substitute.For <IBlockFinder>();
blockFinder.FindPendingBlock().Returns(Build.A.Block.WithNumber(pendingBlockNumber).TestObject);
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle(blockFinder: blockFinder);
ResultWrapper <FeeHistoryResults> expected =
ResultWrapper <FeeHistoryResults> .Fail("newestBlock: Block is not available",
ErrorCodes.ResourceUnavailable);
ResultWrapper <FeeHistoryResults> resultWrapper =
feeHistoryOracle.GetFeeHistory(1, new BlockParameter(lastBlockNumber));
resultWrapper.Should().BeEquivalentTo(expected);
}
public void GetFeeHistory_IfRewardPercentilesNotInAscendingOrder_ResultsInFailure()
{
int blockCount = 10;
double[] rewardPercentiles = { 0, 2, 3, 5, 1 };
IBlockFinder blockFinder = Substitute.For <IBlockFinder>();
blockFinder.FindBlock(BlockParameter.Latest).Returns(Build.A.Block.TestObject);
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle(blockFinder: blockFinder);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(blockCount, BlockParameter.Latest, rewardPercentiles);
resultWrapper.Result.Error.Should().Be("rewardPercentiles: Value at index 4: 1 is less than or equal to the value at previous index 3: 5.");
resultWrapper.Result.ResultType.Should().Be(ResultType.Failure);
}
[TestCase(100, 40, 50, 49)] //Target gas used: 100/2 = 50 | Actual Gas used = 40 | Base Fee Delta = (((50-40)/50) * 50) / 8 = 1 | Next Base Fee = 50 - 1 = 49
public void GetFeeHistory_IfLondonEnabled_NextBaseFeePerGasCalculatedCorrectly(long gasLimit, long gasUsed, long baseFee, long expectedNextBaseFee)
{
int blockCount = 1;
IBlockFinder blockFinder = Substitute.For <IBlockFinder>();
BlockHeader blockHeader = Build.A.BlockHeader.WithBaseFee((UInt256)baseFee).WithGasLimit(gasLimit).WithGasUsed(gasUsed).TestObject;
BlockParameter newestBlock = new((long)0);
Block headBlock = Build.A.Block.Genesis.WithHeader(blockHeader).TestObject;
blockFinder.FindBlock(newestBlock).Returns(headBlock);
ISpecProvider specProvider = GetSpecProviderWithEip1559EnabledAs(true);
FeeHistoryOracle feeHistoryOracle = GetSubstitutedFeeHistoryOracle(blockFinder: blockFinder, specProvider: specProvider);
ResultWrapper <FeeHistoryResults> resultWrapper = feeHistoryOracle.GetFeeHistory(blockCount, newestBlock);
resultWrapper.Data.BaseFeePerGas ![1].Should().Be((UInt256)expectedNextBaseFee);