Revision 35581cf54ec436b8c37fabb43fdaa3f48339a170 authored by Jae Kwon on 02 February 2023, 21:35:52 UTC, committed by GitHub on 02 February 2023, 21:35:52 UTC
1 parent 64747b2
retry_signer_client.go
package privval
import (
"fmt"
"time"
"github.com/tendermint/tendermint/crypto"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/tendermint/tendermint/types"
)
// RetrySignerClient wraps SignerClient adding retry for each operation (except
// Ping) w/ a timeout.
type RetrySignerClient struct {
next *SignerClient
retries int
timeout time.Duration
}
// NewRetrySignerClient returns RetrySignerClient. If +retries+ is 0, the
// client will be retrying each operation indefinitely.
func NewRetrySignerClient(sc *SignerClient, retries int, timeout time.Duration) *RetrySignerClient {
return &RetrySignerClient{sc, retries, timeout}
}
var _ types.PrivValidator = (*RetrySignerClient)(nil)
func (sc *RetrySignerClient) Close() error {
return sc.next.Close()
}
func (sc *RetrySignerClient) IsConnected() bool {
return sc.next.IsConnected()
}
func (sc *RetrySignerClient) WaitForConnection(maxWait time.Duration) error {
return sc.next.WaitForConnection(maxWait)
}
//--------------------------------------------------------
// Implement PrivValidator
func (sc *RetrySignerClient) Ping() error {
return sc.next.Ping()
}
func (sc *RetrySignerClient) GetPubKey() (crypto.PubKey, error) {
var (
pk crypto.PubKey
err error
)
for i := 0; i < sc.retries || sc.retries == 0; i++ {
pk, err = sc.next.GetPubKey()
if err == nil {
return pk, nil
}
// If remote signer errors, we don't retry.
if _, ok := err.(*RemoteSignerError); ok {
return nil, err
}
time.Sleep(sc.timeout)
}
return nil, fmt.Errorf("exhausted all attempts to get pubkey: %w", err)
}
func (sc *RetrySignerClient) SignVote(chainID string, vote *tmproto.Vote) error {
var err error
for i := 0; i < sc.retries || sc.retries == 0; i++ {
err = sc.next.SignVote(chainID, vote)
if err == nil {
return nil
}
// If remote signer errors, we don't retry.
if _, ok := err.(*RemoteSignerError); ok {
return err
}
time.Sleep(sc.timeout)
}
return fmt.Errorf("exhausted all attempts to sign vote: %w", err)
}
func (sc *RetrySignerClient) SignProposal(chainID string, proposal *tmproto.Proposal) error {
var err error
for i := 0; i < sc.retries || sc.retries == 0; i++ {
err = sc.next.SignProposal(chainID, proposal)
if err == nil {
return nil
}
// If remote signer errors, we don't retry.
if _, ok := err.(*RemoteSignerError); ok {
return err
}
time.Sleep(sc.timeout)
}
return fmt.Errorf("exhausted all attempts to sign proposal: %w", err)
}
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