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