[#422] pkg/services: Cache clients by address only

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2021-03-13 18:22:21 +03:00 committed by Leonard Lyubich
parent 55dec28bbb
commit cc7287d6f7
19 changed files with 55 additions and 68 deletions

View file

@ -1,13 +1,9 @@
package cache
import (
"crypto/ecdsa"
"crypto/sha256"
"encoding/hex"
"sync"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
crypto "github.com/nspcc-dev/neofs-crypto"
)
type (
@ -28,11 +24,9 @@ func NewSDKClientCache() *ClientCache {
}
// Get function returns existing client or creates a new one.
func (c *ClientCache) Get(key *ecdsa.PrivateKey, address string, opts ...client.Option) (*client.Client, error) {
id := uniqueID(key, address)
func (c *ClientCache) Get(address string, opts ...client.Option) (*client.Client, error) {
c.mu.RLock()
if cli, ok := c.clients[id]; ok {
if cli, ok := c.clients[address]; ok {
// todo: check underlying connection neofs-api-go#196
c.mu.RUnlock()
@ -46,22 +40,16 @@ func (c *ClientCache) Get(key *ecdsa.PrivateKey, address string, opts ...client.
// check once again if client is missing in cache, concurrent routine could
// create client while this routine was locked on `c.mu.Lock()`.
if cli, ok := c.clients[id]; ok {
if cli, ok := c.clients[address]; ok {
return cli, nil
}
cli, err := client.New(key, append(opts, client.WithAddress(address))...)
cli, err := client.New(nil, append(opts, client.WithAddress(address))...)
if err != nil {
return nil, err
}
c.clients[id] = cli
c.clients[address] = cli
return cli, nil
}
func uniqueID(key *ecdsa.PrivateKey, address string) string {
keyFingerprint := sha256.Sum256(crypto.MarshalPrivateKey(key))
return hex.EncodeToString(keyFingerprint[:]) + address
}