public void Does_not_take_into_account_precompiles()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), ExecutionType.Call, true);
tracer.ReportActionEnd(400, Array.Empty <byte>()); // this would not happen but we want to ensure that precompiles are ignored
tracer.ReportActionEnd(600, Array.Empty <byte>());
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(1000).TestObject).Should().Be(0);
}
public void Does_not_take_into_account_precompiles()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Call, true);
tracer.ReportActionEnd(400, Bytes.Empty); // this would not happen but we want to ensure that precompiles are ignored
tracer.ReportActionEnd(600, Bytes.Empty);
tracer.ExcessiveGas.Should().Be(600L);
}
public void Easy_one_level_case()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(128, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), ExecutionType.Transaction, false);
tracer.ReportAction(100, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), _executionType, false);
tracer.ReportActionEnd(63, Array.Empty <byte>()); // second level
tracer.ReportActionEnd(65, Array.Empty <byte>());
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(128).TestObject).Should().Be(1);
}
public void Easy_one_level_case()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(128, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(100, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportActionEnd(63, Bytes.Empty); // second level
tracer.ReportActionEnd(65, Bytes.Empty);
tracer.AdditionalGasRequired.Should().Be(1);
}
public void Handles_well_top_level()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), ExecutionType.Transaction, false);
tracer.ReportActionEnd(600, Array.Empty <byte>());
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(1000).TestObject).Should().Be(0);
}
public void Handles_well_top_level()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportActionEnd(600, Bytes.Empty);
tracer.ExcessiveGas.Should().Be(600L);
}
public void Handles_well_serial_calls()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), _executionType, false);
tracer.ReportActionEnd(400, Array.Empty <byte>());
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Array.Empty <byte>(), _executionType, false);
if (_executionType.IsAnyCreate())
{
tracer.ReportActionEnd(200, Address.Zero, Array.Empty <byte>());
tracer.ReportActionEnd(300, Array.Empty <byte>());
}
else
{
tracer.ReportActionEnd(200, Array.Empty <byte>());
tracer.ReportActionEnd(300, Array.Empty <byte>()); // should not happen
}
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(1000).TestObject).Should().Be(14L);
}
public void Handles_well_serial_calls()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportActionEnd(400, Bytes.Empty);
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
if (_executionType == ExecutionType.Create)
{
tracer.ReportActionEnd(200, Address.Zero, Bytes.Empty);
tracer.ReportActionEnd(300, Bytes.Empty);
}
else
{
tracer.ReportActionEnd(200, Bytes.Empty);
tracer.ReportActionEnd(300, Bytes.Empty); // should not happen
}
tracer.ExcessiveGas.Should().Be(203L);
}
public void Handles_well_errors()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
if (_executionType.IsAnyCreate())
{
tracer.ReportActionError(EvmExceptionType.Other);
tracer.ReportActionEnd(400, Address.Zero, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
else
{
tracer.ReportActionError(EvmExceptionType.Other);
tracer.ReportActionEnd(400, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(1000).TestObject).Should().Be(24L);
}
public void Handles_well_nested_calls_where_least_nested_defines_excess()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
if (_executionType.IsAnyCreate())
{
tracer.ReportActionEnd(300, Address.Zero, Bytes.Empty); // second level
tracer.ReportActionEnd(200, Address.Zero, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
else
{
tracer.ReportActionEnd(300, Bytes.Empty); // second level
tracer.ReportActionEnd(200, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
tracer.CalculateEstimate(Build.A.Transaction.WithGasLimit(1000).TestObject).Should().Be(17);
}
public void Handles_well_errors()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
if (_executionType == ExecutionType.Create)
{
tracer.ReportActionError(EvmExceptionType.Other);
tracer.ReportActionEnd(400, Address.Zero, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
else
{
tracer.ReportActionError(EvmExceptionType.Other);
tracer.ReportActionEnd(400, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
tracer.ExcessiveGas.Should().Be(406L);
}
public void Handles_well_nested_calls_where_most_nested_defines_excess()
{
EstimateGasTracer tracer = new EstimateGasTracer();
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, ExecutionType.Transaction, false);
tracer.ReportAction(1000, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
tracer.ReportAction(400, 0, Address.Zero, Address.Zero, Bytes.Empty, _executionType, false);
if (_executionType == ExecutionType.Create)
{
tracer.ReportActionEnd(200, Address.Zero, Bytes.Empty); // second level
tracer.ReportActionEnd(400, Address.Zero, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
else
{
tracer.ReportActionEnd(200, Bytes.Empty); // second level
tracer.ReportActionEnd(400, Bytes.Empty);
tracer.ReportActionEnd(500, Bytes.Empty); // should not happen
}
tracer.ExcessiveGas.Should().Be(206L);
}