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77 lines
1.9 KiB
77 lines
1.9 KiB
package privval
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import (
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"errors"
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"time"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/types"
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)
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// RetrySignerClient wraps SignerClient adding retry for each operation (except
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// Ping) w/ a timeout.
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type RetrySignerClient struct {
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next *SignerClient
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retries int
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timeout time.Duration
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}
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// NewRetrySignerClient returns RetrySignerClient. If +retries+ is 0, the
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// client will be retrying each operation indefinitely.
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func NewRetrySignerClient(sc *SignerClient, retries int, timeout time.Duration) *RetrySignerClient {
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return &RetrySignerClient{sc, retries, timeout}
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}
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var _ types.PrivValidator = (*RetrySignerClient)(nil)
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func (sc *RetrySignerClient) Close() error {
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return sc.next.Close()
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}
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func (sc *RetrySignerClient) IsConnected() bool {
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return sc.next.IsConnected()
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}
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func (sc *RetrySignerClient) WaitForConnection(maxWait time.Duration) error {
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return sc.next.WaitForConnection(maxWait)
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}
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//--------------------------------------------------------
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// Implement PrivValidator
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func (sc *RetrySignerClient) Ping() error {
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return sc.next.Ping()
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}
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func (sc *RetrySignerClient) GetPubKey() crypto.PubKey {
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for i := 0; i < sc.retries || sc.retries == 0; i++ {
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pk := sc.next.GetPubKey()
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if pk != nil {
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return pk
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}
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time.Sleep(sc.timeout)
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}
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return nil
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}
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func (sc *RetrySignerClient) SignVote(chainID string, vote *types.Vote) error {
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for i := 0; i < sc.retries || sc.retries == 0; i++ {
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err := sc.next.SignVote(chainID, vote)
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if err == nil {
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return nil
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}
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time.Sleep(sc.timeout)
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}
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return errors.New("exhausted all attempts to sign vote")
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}
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func (sc *RetrySignerClient) SignProposal(chainID string, proposal *types.Proposal) error {
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for i := 0; i < sc.retries || sc.retries == 0; i++ {
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err := sc.next.SignProposal(chainID, proposal)
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if err == nil {
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return nil
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}
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time.Sleep(sc.timeout)
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}
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return errors.New("exhausted all attempts to sign proposal")
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}
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