[#726] neofs-adm: allow to dump deployed contract hashes

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2021-07-28 17:10:02 +03:00 committed by Alex Vanin
parent 9ef2579afa
commit 4d65e138f5
2 changed files with 71 additions and 0 deletions

View file

@ -0,0 +1,59 @@
package morph
import (
"bytes"
"errors"
"fmt"
"text/tabwriter"
nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
func dumpContractHashes(cmd *cobra.Command, _ []string) error {
c, err := getN3Client(viper.GetViper())
if err != nil {
return fmt.Errorf("can't create N3 client: %w", err)
}
cs, err := c.GetContractStateByID(1)
if err != nil {
return err
}
bw := io.NewBufBinWriter()
for _, ctrName := range contractList {
emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
ctrName+".neofs", int64(nns.TXT))
}
res, err := c.InvokeScript(bw.Bytes(), nil)
if err != nil {
return fmt.Errorf("can't fetch info from NNS: %w", err)
}
if len(res.Stack) != len(contractList) {
return errors.New("invalid response from NNS contract: length mismatch")
}
buf := bytes.NewBuffer(nil)
tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
for i := range contractList {
ctrHash := "hash is invalid"
bs, err := res.Stack[i].TryBytes()
if err == nil {
ctrHash = string(bs) // hashes are stored as hex-encoded LE string
}
_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s\n", contractList[i], ctrHash)))
}
_ = tw.Flush()
cmd.Print(buf.String())
return nil
}

View file

@ -65,6 +65,15 @@ var (
}, },
RunE: forceNewEpochCmd, RunE: forceNewEpochCmd,
} }
dumpContractHashesCmd = &cobra.Command{
Use: "dump-hashes",
Short: "Dump deployed contract hashes.",
PreRun: func(cmd *cobra.Command, _ []string) {
_ = viper.BindPFlag(endpointFlag, cmd.Flags().Lookup(endpointFlag))
},
RunE: dumpContractHashes,
}
) )
func init() { func init() {
@ -87,4 +96,7 @@ func init() {
RootCmd.AddCommand(forceNewEpoch) RootCmd.AddCommand(forceNewEpoch)
forceNewEpoch.Flags().String(alphabetWalletsFlag, "", "path to alphabet wallets dir") forceNewEpoch.Flags().String(alphabetWalletsFlag, "", "path to alphabet wallets dir")
forceNewEpoch.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint") forceNewEpoch.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
RootCmd.AddCommand(dumpContractHashesCmd)
dumpContractHashesCmd.Flags().StringP(endpointFlag, "r", "", "N3 RPC node endpoint")
} }