128 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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	"encoding/json"
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	"errors"
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	"fmt"
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	"io/ioutil"
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	"os"
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	"github.com/ethereum/go-ethereum/core/state"
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	"github.com/ethereum/go-ethereum/core/vm"
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	"github.com/ethereum/go-ethereum/log"
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	"github.com/ethereum/go-ethereum/tests"
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	cli "gopkg.in/urfave/cli.v1"
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)
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var stateTestCommand = cli.Command{
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	Action:    stateTestCmd,
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	Name:      "statetest",
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	Usage:     "executes the given state tests",
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	ArgsUsage: "<file>",
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}
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// StatetestResult contains the execution status after running a state test, any
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// error that might have occurred and a dump of the final state if requested.
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type StatetestResult struct {
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	Name  string      `json:"name"`
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	Pass  bool        `json:"pass"`
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	Fork  string      `json:"fork"`
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	Error string      `json:"error,omitempty"`
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	State *state.Dump `json:"state,omitempty"`
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}
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func stateTestCmd(ctx *cli.Context) error {
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	if len(ctx.Args().First()) == 0 {
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		return errors.New("path-to-test argument required")
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	}
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	// Configure the go-ethereum logger
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	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
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	glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
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	log.Root().SetHandler(glogger)
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	// Configure the EVM logger
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	config := &vm.LogConfig{
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		DisableMemory: ctx.GlobalBool(DisableMemoryFlag.Name),
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		DisableStack:  ctx.GlobalBool(DisableStackFlag.Name),
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	}
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	var (
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		tracer   vm.Tracer
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		debugger *vm.StructLogger
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	)
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	switch {
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	case ctx.GlobalBool(MachineFlag.Name):
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		tracer = NewJSONLogger(config, os.Stderr)
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	case ctx.GlobalBool(DebugFlag.Name):
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		debugger = vm.NewStructLogger(config)
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		tracer = debugger
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	default:
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		debugger = vm.NewStructLogger(config)
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	}
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	// Load the test content from the input file
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	src, err := ioutil.ReadFile(ctx.Args().First())
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	if err != nil {
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		return err
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	}
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	var tests map[string]tests.StateTest
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	if err = json.Unmarshal(src, &tests); err != nil {
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		return err
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	}
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	// Iterate over all the tests, run them and aggregate the results
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	cfg := vm.Config{
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		Tracer: tracer,
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		Debug:  ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
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	}
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	results := make([]StatetestResult, 0, len(tests))
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	for key, test := range tests {
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		for _, st := range test.Subtests() {
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			// Run the test and aggregate the result
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			result := &StatetestResult{Name: key, Fork: st.Fork, Pass: true}
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			state, err := test.Run(st, cfg)
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			// print state root for evmlab tracing
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			if ctx.GlobalBool(MachineFlag.Name) && state != nil {
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				fmt.Fprintf(os.Stderr, "{\"stateRoot\": \"%x\"}\n", state.IntermediateRoot(false))
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			}
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			if err != nil {
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				// Test failed, mark as so and dump any state to aid debugging
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				result.Pass, result.Error = false, err.Error()
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				if ctx.GlobalBool(DumpFlag.Name) && state != nil {
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					dump := state.RawDump()
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					result.State = &dump
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				}
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			}
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			results = append(results, *result)
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			// Print any structured logs collected
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			if ctx.GlobalBool(DebugFlag.Name) {
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				if debugger != nil {
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					fmt.Fprintln(os.Stderr, "#### TRACE ####")
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					vm.WriteTrace(os.Stderr, debugger.StructLogs())
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				}
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			}
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		}
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	}
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	out, _ := json.MarshalIndent(results, "", "  ")
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	fmt.Println(string(out))
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	return nil
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}
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