github.com/cryptogateway/go-paymex@v0.0.0-20210204174735-96277fb1e602/tests/state_test.go (about)

     1  // Copyright 2015 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package tests
    18  
    19  import (
    20  	"bufio"
    21  	"bytes"
    22  	"fmt"
    23  	"reflect"
    24  	"testing"
    25  
    26  	"github.com/cryptogateway/go-paymex/core/vm"
    27  )
    28  
    29  func TestState(t *testing.T) {
    30  	t.Parallel()
    31  
    32  	st := new(testMatcher)
    33  	// Long tests:
    34  	st.slow(`^stAttackTest/ContractCreationSpam`)
    35  	st.slow(`^stBadOpcode/badOpcodes`)
    36  	st.slow(`^stPreCompiledContracts/modexp`)
    37  	st.slow(`^stQuadraticComplexityTest/`)
    38  	st.slow(`^stStaticCall/static_Call50000`)
    39  	st.slow(`^stStaticCall/static_Return50000`)
    40  	st.slow(`^stSystemOperationsTest/CallRecursiveBomb`)
    41  	st.slow(`^stTransactionTest/Opcodes_TransactionInit`)
    42  
    43  	// Very time consuming
    44  	st.skipLoad(`^stTimeConsuming/`)
    45  
    46  	// Uses 1GB RAM per tested fork
    47  	st.skipLoad(`^stStaticCall/static_Call1MB`)
    48  
    49  	// Broken tests:
    50  	// Expected failures:
    51  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/Byzantium/0`, "bug in test")
    52  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/Byzantium/3`, "bug in test")
    53  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/Constantinople/0`, "bug in test")
    54  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/Constantinople/3`, "bug in test")
    55  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/ConstantinopleFix/0`, "bug in test")
    56  	//st.fails(`^stRevertTest/RevertPrecompiledTouch(_storage)?\.json/ConstantinopleFix/3`, "bug in test")
    57  
    58  	// For Istanbul, older tests were moved into LegacyTests
    59  	for _, dir := range []string{
    60  		stateTestDir,
    61  		legacyStateTestDir,
    62  	} {
    63  		st.walk(t, dir, func(t *testing.T, name string, test *StateTest) {
    64  			for _, subtest := range test.Subtests() {
    65  				if subtest.Fork == "Berlin" {
    66  					// Our current berlin-tests were generated using YOLOv2 rules, hence a lot of them
    67  					// fail when berlin is defined as YOLOv3. We skip those, until they've been
    68  					// regenerated and re-imported
    69  					// TODO (@holiman)
    70  					continue
    71  				}
    72  
    73  				subtest := subtest
    74  				key := fmt.Sprintf("%s/%d", subtest.Fork, subtest.Index)
    75  				name := name + "/" + key
    76  
    77  				t.Run(key+"/trie", func(t *testing.T) {
    78  					withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
    79  						_, _, err := test.Run(subtest, vmconfig, false)
    80  						return st.checkFailure(t, name+"/trie", err)
    81  					})
    82  				})
    83  				t.Run(key+"/snap", func(t *testing.T) {
    84  					withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
    85  						snaps, statedb, err := test.Run(subtest, vmconfig, true)
    86  						if _, err := snaps.Journal(statedb.IntermediateRoot(false)); err != nil {
    87  							return err
    88  						}
    89  						return st.checkFailure(t, name+"/snap", err)
    90  					})
    91  				})
    92  			}
    93  		})
    94  	}
    95  }
    96  
    97  // Transactions with gasLimit above this value will not get a VM trace on failure.
    98  const traceErrorLimit = 400000
    99  
   100  func withTrace(t *testing.T, gasLimit uint64, test func(vm.Config) error) {
   101  	// Use config from command line arguments.
   102  	config := vm.Config{EVMInterpreter: *testEVM, EWASMInterpreter: *testEWASM}
   103  	err := test(config)
   104  	if err == nil {
   105  		return
   106  	}
   107  
   108  	// Test failed, re-run with tracing enabled.
   109  	t.Error(err)
   110  	if gasLimit > traceErrorLimit {
   111  		t.Log("gas limit too high for EVM trace")
   112  		return
   113  	}
   114  	buf := new(bytes.Buffer)
   115  	w := bufio.NewWriter(buf)
   116  	tracer := vm.NewJSONLogger(&vm.LogConfig{DisableMemory: true}, w)
   117  	config.Debug, config.Tracer = true, tracer
   118  	err2 := test(config)
   119  	if !reflect.DeepEqual(err, err2) {
   120  		t.Errorf("different error for second run: %v", err2)
   121  	}
   122  	w.Flush()
   123  	if buf.Len() == 0 {
   124  		t.Log("no EVM operation logs generated")
   125  	} else {
   126  		t.Log("EVM operation log:\n" + buf.String())
   127  	}
   128  	//t.Logf("EVM output: 0x%x", tracer.Output())
   129  	//t.Logf("EVM error: %v", tracer.Error())
   130  }