neo-go/cli/vm/vm.go
Anna Shaleva 513821cfff vm: allow to provide state for VM CLI
Close #2528.

Also, add new simple testchain as an analogue for basicchain.
2022-10-07 15:56:34 +03:00

48 lines
1.2 KiB
Go

package vm
import (
"fmt"
"os"
"github.com/chzyer/readline"
"github.com/nspcc-dev/neo-go/cli/cmdargs"
"github.com/nspcc-dev/neo-go/cli/options"
"github.com/nspcc-dev/neo-go/pkg/core/storage/dbconfig"
"github.com/urfave/cli"
)
// NewCommands returns 'vm' command.
func NewCommands() []cli.Command {
cfgFlags := []cli.Flag{options.Config}
cfgFlags = append(cfgFlags, options.Network...)
return []cli.Command{{
Name: "vm",
Usage: "start the virtual machine",
Action: startVMPrompt,
Flags: cfgFlags,
}}
}
func startVMPrompt(ctx *cli.Context) error {
if err := cmdargs.EnsureNone(ctx); err != nil {
return err
}
cfg, err := options.GetConfigFromContext(ctx)
if err != nil {
return cli.NewExitError(err, 1)
}
if ctx.NumFlags() == 0 {
cfg.ApplicationConfiguration.DBConfiguration.Type = dbconfig.InMemoryDB
}
if cfg.ApplicationConfiguration.DBConfiguration.Type != dbconfig.InMemoryDB {
cfg.ApplicationConfiguration.DBConfiguration.LevelDBOptions.ReadOnly = true
cfg.ApplicationConfiguration.DBConfiguration.BoltDBOptions.ReadOnly = true
}
p, err := NewWithConfig(true, os.Exit, &readline.Config{}, cfg)
if err != nil {
return cli.NewExitError(fmt.Errorf("failed to create VM CLI: %w", err), 1)
}
return p.Run()
}