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