111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
package util
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"encoding/hex"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/nspcc-dev/neo-go/cli/options"
|
|
vmcli "github.com/nspcc-dev/neo-go/cli/vm"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
// NewCommands returns util commands for neo-go CLI.
|
|
func NewCommands() []cli.Command {
|
|
txDumpFlags := append([]cli.Flag{}, options.RPC...)
|
|
return []cli.Command{
|
|
{
|
|
Name: "util",
|
|
Usage: "Various helper commands",
|
|
Subcommands: []cli.Command{
|
|
{
|
|
Name: "convert",
|
|
Usage: "Convert provided argument into other possible formats",
|
|
UsageText: `convert <arg>
|
|
|
|
<arg> is an argument which is tried to be interpreted as an item of different types
|
|
and converted to other formats. Strings are escaped and output in quotes.`,
|
|
Action: handleParse,
|
|
},
|
|
{
|
|
Name: "sendtx",
|
|
Usage: "Send complete transaction stored in a context file",
|
|
UsageText: "sendtx [-r <endpoint>] <file.in>",
|
|
Description: `Sends the transaction from the given context file to the given RPC node if it's
|
|
completely signed and ready. This command expects a ContractParametersContext
|
|
JSON file for input, it can't handle binary (or hex- or base64-encoded)
|
|
transactions.
|
|
`,
|
|
Action: sendTx,
|
|
Flags: txDumpFlags,
|
|
},
|
|
{
|
|
Name: "txdump",
|
|
Usage: "Dump transaction stored in file",
|
|
UsageText: "txdump [-r <endpoint>] <file.in>",
|
|
Action: txDump,
|
|
Flags: txDumpFlags,
|
|
},
|
|
{
|
|
Name: "ops",
|
|
Usage: "Pretty-print VM opcodes of the given base64- or hex- encoded script (base64 is checked first). If the input file is specified, then the script is taken from the file.",
|
|
UsageText: "ops <base64/hex-encoded script> [-i path-to-file] [--hex]",
|
|
Action: handleOps,
|
|
Flags: []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "in, i",
|
|
Usage: "input file containing base64- or hex- encoded script representation",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "hex",
|
|
Usage: "use hex encoding and do not check base64",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func handleParse(ctx *cli.Context) error {
|
|
res, err := vmcli.Parse(ctx.Args())
|
|
if err != nil {
|
|
return cli.NewExitError(err, 1)
|
|
}
|
|
fmt.Fprint(ctx.App.Writer, res)
|
|
return nil
|
|
}
|
|
|
|
func handleOps(ctx *cli.Context) error {
|
|
var (
|
|
s string
|
|
err error
|
|
b []byte
|
|
)
|
|
in := ctx.String("in")
|
|
if len(in) != 0 {
|
|
b, err := os.ReadFile(in)
|
|
if err != nil {
|
|
return cli.NewExitError(fmt.Errorf("failed to read file: %w", err), 1)
|
|
}
|
|
s = string(b)
|
|
} else {
|
|
if !ctx.Args().Present() {
|
|
return cli.NewExitError("missing script", 1)
|
|
}
|
|
s = ctx.Args()[0]
|
|
}
|
|
b, err = base64.StdEncoding.DecodeString(s)
|
|
if err != nil || ctx.Bool("hex") {
|
|
b, err = hex.DecodeString(s)
|
|
}
|
|
if err != nil {
|
|
return cli.NewExitError("unknown encoding: base64 or hex are supported", 1)
|
|
}
|
|
v := vm.New()
|
|
v.LoadScript(b)
|
|
v.PrintOps(ctx.App.Writer)
|
|
return nil
|
|
}
|