public void Can_estimate_with_stipend() { byte[] initByteCode = Prepare.EvmCode .CallWithValue(Address.Zero, 0, 1) .Op(Instruction.STOP) .Done; long gasLimit = 100000; Transaction tx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithInit(initByteCode).WithGasLimit(gasLimit).TestObject; Block block = Build.A.Block.WithNumber(MainnetSpecProvider.MuirGlacierBlockNumber).WithTransactions(tx).WithGasLimit(2 * gasLimit).TestObject; IntrinsicGasCalculator gasCalculator = new IntrinsicGasCalculator(); long intrinsic = gasCalculator.Calculate(tx, MuirGlacier.Instance); GethLikeTxTracer gethTracer = new GethLikeTxTracer(GethTraceOptions.Default); _transactionProcessor.CallAndRestore(tx, block.Header, gethTracer); TestContext.WriteLine(new EthereumJsonSerializer().Serialize(gethTracer.BuildResult(), true)); EstimateGasTracer tracer = new EstimateGasTracer(); _transactionProcessor.CallAndRestore(tx, block.Header, tracer); long actualIntrinsic = tx.GasLimit - tracer.IntrinsicGasAt; actualIntrinsic.Should().Be(intrinsic); tracer.CalculateAdditionalGasRequired(tx).Should().Be(2300); tracer.GasSpent.Should().Be(85669L); long estimate = tracer.CalculateEstimate(tx); estimate.Should().Be(87969L); ConfirmEnoughEstimate(tx, block, estimate); }
public void Can_estimate_with_refund() { byte[] initByteCode = Prepare.EvmCode .PushData(1) .PushData(1) .Op(Instruction.SSTORE) .PushData(0) .PushData(1) .Op(Instruction.SSTORE) .Op(Instruction.STOP) .Done; long gasLimit = 100000; Transaction tx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, 1).WithInit(initByteCode).WithGasLimit(gasLimit).TestObject; Block block = Build.A.Block.WithNumber(MainnetSpecProvider.MuirGlacierBlockNumber).WithTransactions(tx).WithGasLimit(2 * gasLimit).TestObject; IntrinsicGasCalculator gasCalculator = new IntrinsicGasCalculator(); long intrinsic = gasCalculator.Calculate(tx, MuirGlacier.Instance); GethLikeTxTracer gethTracer = new GethLikeTxTracer(GethTraceOptions.Default); _transactionProcessor.CallAndRestore(tx, block.Header, gethTracer); TestContext.WriteLine(new EthereumJsonSerializer().Serialize(gethTracer.BuildResult(), true)); EstimateGasTracer tracer = new EstimateGasTracer(); _transactionProcessor.CallAndRestore(tx, block.Header, tracer); long actualIntrinsic = tx.GasLimit - tracer.IntrinsicGasAt; actualIntrinsic.Should().Be(intrinsic); tracer.CalculateAdditionalGasRequired(tx).Should().Be(RefundOf.SSetReversedEip2200 + GasCostOf.CallStipend - GasCostOf.SStoreNetMeteredEip2200 + 1); tracer.GasSpent.Should().Be(54764L); long estimate = tracer.CalculateEstimate(tx); estimate.Should().Be(75465L); ConfirmEnoughEstimate(tx, block, estimate); }
public void Can_estimate_with_destroy_refund_and_below_intrinsic() { byte[] initByteCode = Prepare.EvmCode.ForInitOf(Prepare.EvmCode.PushData(Address.Zero).Op(Instruction.SELFDESTRUCT).Done).Done; Address contractAddress = ContractAddress.From(TestItem.PrivateKeyA.Address, 0); byte[] byteCode = Prepare.EvmCode .Call(contractAddress, 46179) .Op(Instruction.STOP).Done; long gasLimit = 100000; Transaction initTx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithInit(initByteCode).WithGasLimit(gasLimit).TestObject; Transaction tx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithInit(byteCode).WithGasLimit(gasLimit).WithNonce(1).TestObject; Block block = Build.A.Block.WithNumber(MainnetSpecProvider.MuirGlacierBlockNumber).WithTransactions(tx).WithGasLimit(2 * gasLimit).TestObject; IntrinsicGasCalculator gasCalculator = new IntrinsicGasCalculator(); long intrinsic = gasCalculator.Calculate(tx, MuirGlacier.Instance); _transactionProcessor.Execute(initTx, block.Header, NullTxTracer.Instance); EstimateGasTracer tracer = new EstimateGasTracer(); GethLikeTxTracer gethTracer = new GethLikeTxTracer(GethTraceOptions.Default); _transactionProcessor.CallAndRestore(tx, block.Header, tracer); _transactionProcessor.CallAndRestore(tx, block.Header, gethTracer); TestContext.WriteLine(new EthereumJsonSerializer().Serialize(gethTracer.BuildResult(), true)); long actualIntrinsic = tx.GasLimit - tracer.IntrinsicGasAt; actualIntrinsic.Should().Be(intrinsic); tracer.CalculateAdditionalGasRequired(tx).Should().Be(24080); tracer.GasSpent.Should().Be(35228L); long estimate = tracer.CalculateEstimate(tx); estimate.Should().Be(59308); ConfirmEnoughEstimate(tx, block, estimate); }
public void Can_estimate_with_single_call() { byte[] initByteCode = Prepare.EvmCode .ForInitOf(Bytes.FromHexString("6000")).Done; Address contractAddress = ContractAddress.From(TestItem.PrivateKeyA.Address, 0); byte[] byteCode = Prepare.EvmCode .Call(contractAddress, 46179).Done; long gasLimit = 100000; Transaction initTx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithInit(initByteCode).WithGasLimit(gasLimit).TestObject; Transaction tx = Build.A.Transaction.SignedAndResolved(_ethereumEcdsa, TestItem.PrivateKeyA, _isEip155Enabled).WithInit(byteCode).WithGasLimit(gasLimit).WithNonce(1).TestObject; Block block = Build.A.Block.WithNumber(MainnetSpecProvider.MuirGlacierBlockNumber).WithTransactions(tx).WithGasLimit(2 * gasLimit).TestObject; IntrinsicGasCalculator gasCalculator = new IntrinsicGasCalculator(); long intrinsic = gasCalculator.Calculate(tx, MuirGlacier.Instance); _transactionProcessor.Execute(initTx, block.Header, NullTxTracer.Instance); EstimateGasTracer tracer = new EstimateGasTracer(); _transactionProcessor.CallAndRestore(tx, block.Header, tracer); long actualIntrinsic = tx.GasLimit - tracer.IntrinsicGasAt; actualIntrinsic.Should().Be(intrinsic); tracer.CalculateAdditionalGasRequired(tx).Should().Be(1); tracer.GasSpent.Should().Be(54224L); long estimate = tracer.CalculateEstimate(tx); estimate.Should().Be(54225L); ConfirmEnoughEstimate(tx, block, estimate); }