frostfs-node/cmd/frostfs-adm/internal/modules/morph/util/initialize.go

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package util
import (
"errors"
"fmt"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-contract/nns"
"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var ErrTooManyAlphabetNodes = fmt.Errorf("too many alphabet nodes (maximum allowed is %d)", MaxAlphabetNodes)
func AwaitTx(cmd *cobra.Command, c Client, txs []HashVUBPair) error {
cmd.Println("Waiting for transactions to persist...")
at := trigger.Application
var retErr error
loop:
for i := range txs {
var it int
var pollInterval time.Duration
var pollIntervalChanged bool
for {
// We must fetch current height before application log, to avoid race condition.
currBlock, err := c.GetBlockCount()
if err != nil {
return fmt.Errorf("can't fetch current block height: %w", err)
}
res, err := c.GetApplicationLog(txs[i].Hash, &at)
if err == nil {
if retErr == nil && len(res.Executions) > 0 && res.Executions[0].VMState != vmstate.Halt {
retErr = fmt.Errorf("tx %d persisted in %s state: %s",
i, res.Executions[0].VMState, res.Executions[0].FaultException)
}
continue loop
}
if txs[i].Vub < currBlock {
return fmt.Errorf("tx was not persisted: Vub=%d, height=%d", txs[i].Vub, currBlock)
}
pollInterval, pollIntervalChanged = NextPollInterval(it, pollInterval)
if pollIntervalChanged && viper.GetBool(commonflags.Verbose) {
cmd.Printf("Pool interval to check transaction persistence changed: %s\n", pollInterval.String())
}
timer := time.NewTimer(pollInterval)
select {
case <-cmd.Context().Done():
return cmd.Context().Err()
case <-timer.C:
}
it++
}
}
return retErr
}
func NextPollInterval(it int, previous time.Duration) (time.Duration, bool) {
const minPollInterval = 1 * time.Second
const maxPollInterval = 16 * time.Second
const changeAfter = 5
if it == 0 {
return minPollInterval, true
}
if it%changeAfter != 0 {
return previous, false
}
nextInterval := previous * 2
if nextInterval > maxPollInterval {
return maxPollInterval, previous != maxPollInterval
}
return nextInterval, true
}
func GetWalletAccount(w *wallet.Wallet, typ string) (*wallet.Account, error) {
for i := range w.Accounts {
if w.Accounts[i].Label == typ {
return w.Accounts[i], nil
}
}
return nil, fmt.Errorf("account for '%s' not found", typ)
}
func NNSResolve(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (stackitem.Item, error) {
return unwrap.Item(inv.Call(nnsHash, "resolve", domain, int64(nns.TXT)))
}
// ParseNNSResolveResult parses the result of resolving NNS record.
// It works with multiple formats (corresponding to multiple NNS versions).
// If array of hashes is provided, it returns only the first one.
func ParseNNSResolveResult(res stackitem.Item) (util.Uint160, error) {
arr, ok := res.Value().([]stackitem.Item)
if !ok {
arr = []stackitem.Item{res}
}
if _, ok := res.Value().(stackitem.Null); ok || len(arr) == 0 {
return util.Uint160{}, errors.New("NNS record is missing")
}
for i := range arr {
bs, err := arr[i].TryBytes()
if err != nil {
continue
}
// We support several formats for hash encoding, this logic should be maintained in sync
// with NNSResolve from pkg/morph/client/nns.go
h, err := util.Uint160DecodeStringLE(string(bs))
if err == nil {
return h, nil
}
h, err = address.StringToUint160(string(bs))
if err == nil {
return h, nil
}
}
return util.Uint160{}, errors.New("no valid hashes are found")
}
// NNSResolveHash Returns errMissingNNSRecord if invocation fault exception contains "token not found".
func NNSResolveHash(inv *invoker.Invoker, nnsHash util.Uint160, domain string) (util.Uint160, error) {
item, err := NNSResolve(inv, nnsHash, domain)
if err != nil {
return util.Uint160{}, err
}
return ParseNNSResolveResult(item)
}
func DomainOf(contract string) string {
return contract + ".frostfs"
}