public void transient_storage_performance_test()
{
Stopwatch stopwatch = new Stopwatch();
long blockGasLimit = 30000000;
long numOfOps = (long)(blockGasLimit * .95) / (GasCostOf.TLoad + GasCostOf.TStore + GasCostOf.VeryLow * 4);
Prepare prepare = Prepare.EvmCode;
for (long i = 0; i < numOfOps; i++)
{
prepare.StoreDataInTransientStorage(1, 8);
prepare.LoadDataFromTransientStorage(1);
prepare.Op(Instruction.POP);
}
byte[] code = prepare.Done;
stopwatch.Start();
TestAllTracerWithOutput result = Execute(MainnetSpecProvider.ShanghaiBlockNumber, blockGasLimit, code, blockGasLimit);
Assert.AreEqual(StatusCode.Success, result.StatusCode);
stopwatch.Stop();
Assert.IsTrue(stopwatch.ElapsedMilliseconds < 5000);
}
public void Blockhash_times_256_no_loop()
{
Rlp rlp = BuildHeader();
Prepare bytecodeBuilder = Prepare.EvmCode
.PushData(0)
.PushData(1);
for (int i = 0; i < 256; i++)
{
bytecodeBuilder.Op(Instruction.ADD)
.Op(Instruction.BLOCKHASH)
.PushData(1);
}
byte[] bytecode = bytecodeBuilder.Done;
(Block block, Transaction transaction) = PrepareTx(
BlockNumber, 1000000, bytecode, rlp.Bytes, 0);
CallOutputTracer callOutputTracer = new CallOutputTracer();
_processor.Execute(transaction, block.Header, callOutputTracer);
callOutputTracer.GasSpent.Should().BeLessThan(21000 + 9600 + 20000);
}