forked from TrueCloudLab/frostfs-node
[#932] adm: Move dump-hashes to package contract
Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
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parent
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commit
e2557b2f0b
5 changed files with 32 additions and 21 deletions
264
cmd/frostfs-adm/internal/modules/morph/contract/dump_hashes.go
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264
cmd/frostfs-adm/internal/modules/morph/contract/dump_hashes.go
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@ -0,0 +1,264 @@
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package contract
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import (
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"bytes"
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"errors"
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"fmt"
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"strings"
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"text/tabwriter"
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"git.frostfs.info/TrueCloudLab/frostfs-contract/nns"
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morphUtil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/util"
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morphClient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/management"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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const lastGlagoliticLetter = 41
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type contractDumpInfo struct {
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hash util.Uint160
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name string
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version string
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}
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func dumpContractHashes(cmd *cobra.Command, _ []string) error {
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c, err := morphUtil.GetN3Client(viper.GetViper())
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if err != nil {
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return fmt.Errorf("can't create N3 client: %w", err)
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}
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r := management.NewReader(invoker.New(c, nil))
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cs, err := r.GetContractByID(1)
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if err != nil {
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return err
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}
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zone, _ := cmd.Flags().GetString(morphUtil.CustomZoneFlag)
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if zone != "" {
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return dumpCustomZoneHashes(cmd, cs.Hash, zone, c)
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}
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infos := []contractDumpInfo{{name: morphUtil.NNSContract, hash: cs.Hash}}
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irSize := 0
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for ; irSize < lastGlagoliticLetter; irSize++ {
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ok, err := morphUtil.NNSIsAvailable(c, cs.Hash, morphUtil.GetAlphabetNNSDomain(irSize))
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if err != nil {
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return err
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} else if ok {
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break
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}
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}
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bw := io.NewBufBinWriter()
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if irSize != 0 {
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bw.Reset()
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for i := 0; i < irSize; i++ {
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emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
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morphUtil.GetAlphabetNNSDomain(i),
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int64(nns.TXT))
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}
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alphaRes, err := c.InvokeScript(bw.Bytes(), nil)
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if err != nil {
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return fmt.Errorf("can't fetch info from NNS: %w", err)
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}
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for i := 0; i < irSize; i++ {
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info := contractDumpInfo{name: fmt.Sprintf("alphabet %d", i)}
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if h, err := morphUtil.ParseNNSResolveResult(alphaRes.Stack[i]); err == nil {
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info.hash = h
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}
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infos = append(infos, info)
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}
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}
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for _, ctrName := range morphUtil.ContractList {
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bw.Reset()
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emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
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morphUtil.DomainOf(ctrName), int64(nns.TXT))
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res, err := c.InvokeScript(bw.Bytes(), nil)
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if err != nil {
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return fmt.Errorf("can't fetch info from NNS: %w", err)
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}
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info := contractDumpInfo{name: ctrName}
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if len(res.Stack) != 0 {
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if h, err := morphUtil.ParseNNSResolveResult(res.Stack[0]); err == nil {
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info.hash = h
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}
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}
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infos = append(infos, info)
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}
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fillContractVersion(cmd, c, infos)
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printContractInfo(cmd, infos)
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return nil
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}
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func dumpCustomZoneHashes(cmd *cobra.Command, nnsHash util.Uint160, zone string, c morphUtil.Client) error {
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const nnsMaxTokens = 100
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inv := invoker.New(c, nil)
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if !strings.HasPrefix(zone, ".") {
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zone = "." + zone
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}
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var infos []contractDumpInfo
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processItem := func(item stackitem.Item) {
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bs, err := item.TryBytes()
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if err != nil {
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cmd.PrintErrf("Invalid NNS record: %v\n", err)
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return
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}
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if !bytes.HasSuffix(bs, []byte(zone)) || bytes.HasPrefix(bs, []byte(morphClient.NNSGroupKeyName)) {
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// Related https://github.com/nspcc-dev/neofs-contract/issues/316.
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return
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}
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h, err := morphUtil.NNSResolveHash(inv, nnsHash, string(bs))
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if err != nil {
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cmd.PrintErrf("Could not resolve name %s: %v\n", string(bs), err)
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return
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}
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infos = append(infos, contractDumpInfo{
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hash: h,
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name: strings.TrimSuffix(string(bs), zone),
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})
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}
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script, err := smartcontract.CreateCallAndPrefetchIteratorScript(nnsHash, "tokens", nnsMaxTokens)
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if err != nil {
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return fmt.Errorf("create prefetch script: %w", err)
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}
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arr, sessionID, iter, err := unwrap.ArrayAndSessionIterator(inv.Run(script))
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if err != nil {
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if errors.Is(err, unwrap.ErrNoSessionID) {
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items, err := unwrap.Array(inv.CallAndExpandIterator(nnsHash, "tokens", nnsMaxTokens))
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if err != nil {
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return fmt.Errorf("can't get a list of NNS domains: %w", err)
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}
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if len(items) == nnsMaxTokens {
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cmd.PrintErrln("Provided RPC endpoint doesn't support sessions, some hashes might be lost.")
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}
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for i := range items {
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processItem(items[i])
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}
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} else {
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return err
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}
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} else {
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for i := range arr {
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processItem(arr[i])
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}
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defer func() {
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_ = inv.TerminateSession(sessionID)
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}()
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items, err := inv.TraverseIterator(sessionID, &iter, nnsMaxTokens)
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for err == nil && len(items) != 0 {
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for i := range items {
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processItem(items[i])
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}
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items, err = inv.TraverseIterator(sessionID, &iter, nnsMaxTokens)
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}
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if err != nil {
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return fmt.Errorf("error during NNS domains iteration: %w", err)
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}
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}
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fillContractVersion(cmd, c, infos)
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printContractInfo(cmd, infos)
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return nil
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}
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func parseContractVersion(item stackitem.Item) string {
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bi, err := item.TryInteger()
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if err != nil || bi.Sign() == 0 || !bi.IsInt64() {
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return "unknown"
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}
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v := bi.Int64()
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major := v / 1_000_000
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minor := (v % 1_000_000) / 1000
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patch := v % 1_000
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return fmt.Sprintf("v%d.%d.%d", major, minor, patch)
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}
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func printContractInfo(cmd *cobra.Command, infos []contractDumpInfo) {
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if len(infos) == 0 {
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return
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}
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buf := bytes.NewBuffer(nil)
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tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
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for _, info := range infos {
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if info.version == "" {
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info.version = "unknown"
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}
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_, _ = tw.Write([]byte(fmt.Sprintf("%s\t(%s):\t%s\n",
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info.name, info.version, info.hash.StringLE())))
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}
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_ = tw.Flush()
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cmd.Print(buf.String())
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}
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func fillContractVersion(cmd *cobra.Command, c morphUtil.Client, infos []contractDumpInfo) {
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bw := io.NewBufBinWriter()
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sub := io.NewBufBinWriter()
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for i := range infos {
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if infos[i].hash.Equals(util.Uint160{}) {
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emit.Int(bw.BinWriter, 0)
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} else {
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sub.Reset()
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emit.AppCall(sub.BinWriter, infos[i].hash, "version", callflag.NoneFlag)
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if sub.Err != nil {
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panic(fmt.Errorf("BUG: can't create version script: %w", bw.Err))
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}
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script := sub.Bytes()
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emit.Instruction(bw.BinWriter, opcode.TRY, []byte{byte(3 + len(script) + 2), 0})
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bw.BinWriter.WriteBytes(script)
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emit.Instruction(bw.BinWriter, opcode.ENDTRY, []byte{2 + 1})
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emit.Opcodes(bw.BinWriter, opcode.PUSH0)
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}
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}
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emit.Opcodes(bw.BinWriter, opcode.NOP) // for the last ENDTRY target
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if bw.Err != nil {
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panic(fmt.Errorf("BUG: can't create version script: %w", bw.Err))
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}
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res, err := c.InvokeScript(bw.Bytes(), nil)
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if err != nil {
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cmd.Printf("Can't fetch version from NNS: %v\n", err)
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return
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}
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if res.State == vmstate.Halt.String() {
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for i := range res.Stack {
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infos[i].version = parseContractVersion(res.Stack[i])
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}
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}
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}
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