github.com/arieschain/arieschain@v0.0.0-20191023063405-37c074544356/cmd/evm/staterunner.go (about)

     1  
     2  package main
     3  
     4  import (
     5  	"encoding/json"
     6  	"errors"
     7  	"fmt"
     8  	"io/ioutil"
     9  	"os"
    10  
    11  	"github.com/quickchainproject/quickchain/core/state"
    12  	"github.com/quickchainproject/quickchain/core/vm"
    13  	"github.com/quickchainproject/quickchain/log"
    14  	"github.com/quickchainproject/quickchain/tests"
    15  
    16  	cli "gopkg.in/urfave/cli.v1"
    17  )
    18  
    19  var stateTestCommand = cli.Command{
    20  	Action:    stateTestCmd,
    21  	Name:      "statetest",
    22  	Usage:     "executes the given state tests",
    23  	ArgsUsage: "<file>",
    24  }
    25  
    26  type StatetestResult struct {
    27  	Name  string      `json:"name"`
    28  	Pass  bool        `json:"pass"`
    29  	Fork  string      `json:"fork"`
    30  	Error string      `json:"error,omitempty"`
    31  	State *state.Dump `json:"state,omitempty"`
    32  }
    33  
    34  func stateTestCmd(ctx *cli.Context) error {
    35  	if len(ctx.Args().First()) == 0 {
    36  		return errors.New("path-to-test argument required")
    37  	}
    38  	// Configure the quickchain logger
    39  	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
    40  	glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
    41  	log.Root().SetHandler(glogger)
    42  
    43  	// Configure the EVM logger
    44  	config := &vm.LogConfig{
    45  		DisableMemory: ctx.GlobalBool(DisableMemoryFlag.Name),
    46  		DisableStack:  ctx.GlobalBool(DisableStackFlag.Name),
    47  	}
    48  	var (
    49  		tracer   vm.Tracer
    50  		debugger *vm.StructLogger
    51  	)
    52  	switch {
    53  	case ctx.GlobalBool(MachineFlag.Name):
    54  		tracer = NewJSONLogger(config, os.Stderr)
    55  
    56  	case ctx.GlobalBool(DebugFlag.Name):
    57  		debugger = vm.NewStructLogger(config)
    58  		tracer = debugger
    59  
    60  	default:
    61  		debugger = vm.NewStructLogger(config)
    62  	}
    63  	// Load the test content from the input file
    64  	src, err := ioutil.ReadFile(ctx.Args().First())
    65  	if err != nil {
    66  		return err
    67  	}
    68  	var tests map[string]tests.StateTest
    69  	if err = json.Unmarshal(src, &tests); err != nil {
    70  		return err
    71  	}
    72  	// Iterate over all the tests, run them and aggregate the results
    73  	cfg := vm.Config{
    74  		Tracer: tracer,
    75  		Debug:  ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
    76  	}
    77  	results := make([]StatetestResult, 0, len(tests))
    78  	for key, test := range tests {
    79  		for _, st := range test.Subtests() {
    80  			// Run the test and aggregate the result
    81  			result := &StatetestResult{Name: key, Fork: st.Fork, Pass: true}
    82  			state, err := test.Run(st, cfg)
    83  			if err != nil {
    84  				// Test failed, mark as so and dump any state to aid debugging
    85  				result.Pass, result.Error = false, err.Error()
    86  				if ctx.GlobalBool(DumpFlag.Name) && state != nil {
    87  					dump := state.RawDump()
    88  					result.State = &dump
    89  				}
    90  			}
    91  			// print state root for evmlab tracing (already committed above, so no need to delete objects again
    92  			if ctx.GlobalBool(MachineFlag.Name) && state != nil {
    93  				fmt.Fprintf(os.Stderr, "{\"stateRoot\": \"%x\"}\n", state.IntermediateRoot(false))
    94  			}
    95  
    96  			results = append(results, *result)
    97  
    98  			// Print any structured logs collected
    99  			if ctx.GlobalBool(DebugFlag.Name) {
   100  				if debugger != nil {
   101  					fmt.Fprintln(os.Stderr, "#### TRACE ####")
   102  					vm.WriteTrace(os.Stderr, debugger.StructLogs())
   103  				}
   104  			}
   105  		}
   106  	}
   107  	out, _ := json.MarshalIndent(results, "", "  ")
   108  	fmt.Println(string(out))
   109  	return nil
   110  }