github.com/codysnider/go-ethereum@v1.10.18-0.20220420071915-14f4ae99222a/cmd/evm/staterunner.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU 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  // go-ethereum 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 General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"encoding/json"
    21  	"errors"
    22  	"fmt"
    23  	"io/ioutil"
    24  	"os"
    25  
    26  	"github.com/ethereum/go-ethereum/core/state"
    27  	"github.com/ethereum/go-ethereum/core/vm"
    28  	"github.com/ethereum/go-ethereum/eth/tracers/logger"
    29  	"github.com/ethereum/go-ethereum/log"
    30  	"github.com/ethereum/go-ethereum/tests"
    31  
    32  	"gopkg.in/urfave/cli.v1"
    33  )
    34  
    35  var stateTestCommand = cli.Command{
    36  	Action:    stateTestCmd,
    37  	Name:      "statetest",
    38  	Usage:     "executes the given state tests",
    39  	ArgsUsage: "<file>",
    40  }
    41  
    42  // StatetestResult contains the execution status after running a state test, any
    43  // error that might have occurred and a dump of the final state if requested.
    44  type StatetestResult struct {
    45  	Name  string      `json:"name"`
    46  	Pass  bool        `json:"pass"`
    47  	Fork  string      `json:"fork"`
    48  	Error string      `json:"error,omitempty"`
    49  	State *state.Dump `json:"state,omitempty"`
    50  }
    51  
    52  func stateTestCmd(ctx *cli.Context) error {
    53  	if len(ctx.Args().First()) == 0 {
    54  		return errors.New("path-to-test argument required")
    55  	}
    56  	// Configure the go-ethereum logger
    57  	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
    58  	glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
    59  	log.Root().SetHandler(glogger)
    60  
    61  	// Configure the EVM logger
    62  	config := &logger.Config{
    63  		EnableMemory:     !ctx.GlobalBool(DisableMemoryFlag.Name),
    64  		DisableStack:     ctx.GlobalBool(DisableStackFlag.Name),
    65  		DisableStorage:   ctx.GlobalBool(DisableStorageFlag.Name),
    66  		EnableReturnData: !ctx.GlobalBool(DisableReturnDataFlag.Name),
    67  	}
    68  	var (
    69  		tracer   vm.EVMLogger
    70  		debugger *logger.StructLogger
    71  	)
    72  	switch {
    73  	case ctx.GlobalBool(MachineFlag.Name):
    74  		tracer = logger.NewJSONLogger(config, os.Stderr)
    75  
    76  	case ctx.GlobalBool(DebugFlag.Name):
    77  		debugger = logger.NewStructLogger(config)
    78  		tracer = debugger
    79  
    80  	default:
    81  		debugger = logger.NewStructLogger(config)
    82  	}
    83  	// Load the test content from the input file
    84  	src, err := ioutil.ReadFile(ctx.Args().First())
    85  	if err != nil {
    86  		return err
    87  	}
    88  	var tests map[string]tests.StateTest
    89  	if err = json.Unmarshal(src, &tests); err != nil {
    90  		return err
    91  	}
    92  	// Iterate over all the tests, run them and aggregate the results
    93  	cfg := vm.Config{
    94  		Tracer: tracer,
    95  		Debug:  ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
    96  	}
    97  	results := make([]StatetestResult, 0, len(tests))
    98  	for key, test := range tests {
    99  		for _, st := range test.Subtests() {
   100  			// Run the test and aggregate the result
   101  			result := &StatetestResult{Name: key, Fork: st.Fork, Pass: true}
   102  			_, s, err := test.Run(st, cfg, false)
   103  			// print state root for evmlab tracing
   104  			if ctx.GlobalBool(MachineFlag.Name) && s != nil {
   105  				fmt.Fprintf(os.Stderr, "{\"stateRoot\": \"%x\"}\n", s.IntermediateRoot(false))
   106  			}
   107  			if err != nil {
   108  				// Test failed, mark as so and dump any state to aid debugging
   109  				result.Pass, result.Error = false, err.Error()
   110  				if ctx.GlobalBool(DumpFlag.Name) && s != nil {
   111  					dump := s.RawDump(nil)
   112  					result.State = &dump
   113  				}
   114  			}
   115  
   116  			results = append(results, *result)
   117  
   118  			// Print any structured logs collected
   119  			if ctx.GlobalBool(DebugFlag.Name) {
   120  				if debugger != nil {
   121  					fmt.Fprintln(os.Stderr, "#### TRACE ####")
   122  					logger.WriteTrace(os.Stderr, debugger.StructLogs())
   123  				}
   124  			}
   125  		}
   126  	}
   127  	out, _ := json.MarshalIndent(results, "", "  ")
   128  	fmt.Println(string(out))
   129  	return nil
   130  }