[#1461] cli: Reorganize common functions

Make `ParseEpoch` and `GetCurrentEpoch` funcs public and move the first one
to the `common` package.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2022-06-08 13:13:44 +03:00 committed by fyrchik
parent fed9e6679d
commit 595fc60d72
3 changed files with 66 additions and 61 deletions

View file

@ -1,9 +1,13 @@
package internal
import (
"context"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"errors"
"fmt"
"time"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/common"
"github.com/nspcc-dev/neofs-node/pkg/network"
@ -54,3 +58,32 @@ func GetSDKClient(key *ecdsa.PrivateKey, addr network.Address) (*client.Client,
return &c, nil
}
// GetCurrentEpoch returns current epoch.
func GetCurrentEpoch(endpoint string) (uint64, error) {
var addr network.Address
if err := addr.FromString(endpoint); err != nil {
return 0, fmt.Errorf("can't parse RPC endpoint: %w", err)
}
key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
return 0, fmt.Errorf("can't generate key to sign query: %w", err)
}
c, err := GetSDKClient(key, addr)
if err != nil {
return 0, err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
ni, err := c.NetworkInfo(ctx, client.PrmNetworkInfo{})
if err != nil {
return 0, err
}
return ni.Info().CurrentEpoch(), nil
}

View file

@ -0,0 +1,28 @@
package common
import (
"fmt"
"strconv"
"github.com/spf13/cobra"
)
// ParseEpoch parses epoch argument. Second return value is true if
// the specified epoch is relative, and false otherwise.
func ParseEpoch(cmd *cobra.Command, flag string) (uint64, bool, error) {
s, _ := cmd.Flags().GetString(flag)
if len(s) == 0 {
return 0, false, nil
}
relative := s[0] == '+'
if relative {
s = s[1:]
}
epoch, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return 0, relative, fmt.Errorf("can't parse epoch for %s argument: %w", flag, err)
}
return epoch, relative, nil
}

View file

@ -1,21 +1,14 @@
package bearer
import (
"context"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"encoding/json"
"fmt"
"io/ioutil"
"strconv"
"time"
internalclient "github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/client"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/common"
"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/commonflags"
"github.com/nspcc-dev/neofs-node/pkg/network"
"github.com/nspcc-dev/neofs-sdk-go/bearer"
"github.com/nspcc-dev/neofs-sdk-go/client"
eaclSDK "github.com/nspcc-dev/neofs-sdk-go/eacl"
"github.com/nspcc-dev/neofs-sdk-go/user"
"github.com/spf13/cobra"
@ -63,21 +56,21 @@ func init() {
}
func createToken(cmd *cobra.Command, _ []string) error {
iat, iatRelative, err := parseEpoch(cmd, issuedAtFlag)
iat, iatRelative, err := common.ParseEpoch(cmd, issuedAtFlag)
if err != nil {
return err
}
exp, expRelative, err := parseEpoch(cmd, expireAtFlag)
exp, expRelative, err := common.ParseEpoch(cmd, expireAtFlag)
if err != nil {
return err
}
nvb, nvbRelative, err := parseEpoch(cmd, notValidBeforeFlag)
nvb, nvbRelative, err := common.ParseEpoch(cmd, notValidBeforeFlag)
if err != nil {
return err
}
if iatRelative || expRelative || nvbRelative {
endpoint, _ := cmd.Flags().GetString(commonflags.RPC)
currEpoch, err := getCurrentEpoch(endpoint)
currEpoch, err := internalclient.GetCurrentEpoch(endpoint)
if err != nil {
return err
}
@ -140,52 +133,3 @@ func createToken(cmd *cobra.Command, _ []string) error {
return nil
}
// parseEpoch parses epoch argument. Second return value is true if
// the specified epoch is relative, and false otherwise.
func parseEpoch(cmd *cobra.Command, flag string) (uint64, bool, error) {
s, _ := cmd.Flags().GetString(flag)
if len(s) == 0 {
return 0, false, nil
}
relative := s[0] == '+'
if relative {
s = s[1:]
}
epoch, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return 0, relative, fmt.Errorf("can't parse epoch for %s argument: %w", flag, err)
}
return epoch, relative, nil
}
// getCurrentEpoch returns current epoch.
func getCurrentEpoch(endpoint string) (uint64, error) {
var addr network.Address
if err := addr.FromString(endpoint); err != nil {
return 0, fmt.Errorf("can't parse RPC endpoint: %w", err)
}
key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
if err != nil {
return 0, fmt.Errorf("can't generate key to sign query: %w", err)
}
c, err := internalclient.GetSDKClient(key, addr)
if err != nil {
return 0, err
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
defer cancel()
ni, err := c.NetworkInfo(ctx, client.PrmNetworkInfo{})
if err != nil {
return 0, err
}
return ni.Info().CurrentEpoch(), nil
}