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dump.go
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dump.go
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package morph
import (
"bytes"
"encoding/binary"
"encoding/hex"
"errors"
"fmt"
"text/tabwriter"
nns "github.com/nspcc-dev/neo-go/examples/nft-nd-nns"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/vm"
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const lastGlagoliticLetter = 41
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")
}
irSize := 0
for ; irSize < lastGlagoliticLetter; irSize++ {
ok, err := c.NNSIsAvailable(cs.Hash, getAlphabetNNSDomain(irSize))
if err != nil {
return err
} else if ok {
break
}
}
buf := bytes.NewBuffer(nil)
tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
if irSize != 0 {
bw.Reset()
for i := 0; i < irSize; i++ {
emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
getAlphabetNNSDomain(i),
int64(nns.TXT))
}
alphaRes, err := c.InvokeScript(bw.Bytes(), nil)
if err != nil {
return fmt.Errorf("can't fetch info from NNS: %w", err)
}
for i := 0; i < irSize; i++ {
ctrHash := "hash is invalid"
bs, err := alphaRes.Stack[i].TryBytes()
if err == nil {
ctrHash = string(bs) // hashes are stored as hex-encoded LE string
}
_, _ = tw.Write([]byte(fmt.Sprintf("alphabet %d:\t%s\n", i, ctrHash)))
}
}
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
}
func dumpNetworkConfig(cmd *cobra.Command, _ []string) error {
wCtx, err := newInitializeContext(cmd, viper.GetViper())
if err != nil {
return fmt.Errorf("can't to initialize context: %w", err)
}
cs, err := wCtx.Client.GetContractStateByID(1)
if err != nil {
return fmt.Errorf("can't get NNS contract info: %w", err)
}
nmHash, err := nnsResolveHash(wCtx.Client, cs.Hash, netmapContract+".neofs")
if err != nil {
return fmt.Errorf("can't get netmap contract hash: %w", err)
}
res, err := wCtx.Client.InvokeFunction(nmHash, "listConfig",
[]smartcontract.Parameter{}, []transaction.Signer{{}})
if err != nil || res.State != vm.HaltState.String() || len(res.Stack) == 0 {
return errors.New("can't fetch list of network config keys from the netmap contract")
}
arr, ok := res.Stack[0].Value().([]stackitem.Item)
if !ok {
return errors.New("invalid ListConfig response from netmap contract")
}
buf := bytes.NewBuffer(nil)
tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
for _, param := range arr {
tuple, ok := param.Value().([]stackitem.Item)
if !ok || len(tuple) != 2 {
return errors.New("invalid ListConfig response from netmap contract")
}
k, err := tuple[0].TryBytes()
if err != nil {
return errors.New("invalid config key from netmap contract")
}
v, err := tuple[1].TryBytes()
if err != nil {
return errors.New("invalid config value from netmap contract")
}
switch string(k) {
case netmapAuditFeeKey, netmapBasicIncomeRateKey,
netmapContainerFeeKey, netmapEigenTrustIterationsKey,
netmapEpochKey, netmapInnerRingCandidateFeeKey,
netmapMaxObjectSizeKey, netmapWithdrawFeeKey:
nbuf := make([]byte, 8)
copy(nbuf[:], v)
n := binary.LittleEndian.Uint64(nbuf)
_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%d (int)\n", k, n)))
case netmapEigenTrustAlphaKey:
_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s (str)\n", k, v)))
default:
_, _ = tw.Write([]byte(fmt.Sprintf("%s:\t%s (hex)\n", k, hex.EncodeToString(v))))
}
}
_ = tw.Flush()
cmd.Print(buf.String())
return nil
}