83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
package txhash
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"time"
|
|
|
|
gossipv1 "github.com/certusone/wormhole/node/pkg/proto/gossip/v1"
|
|
"github.com/go-redis/redis/v8"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
const txHashByVaaIDKey = "tx-hash-by-vaa-id"
|
|
|
|
type redisTxHash struct {
|
|
client *redis.Client
|
|
prefix string
|
|
expiration time.Duration
|
|
logger *zap.Logger
|
|
}
|
|
|
|
func NewRedisTxHash(client *redis.Client,
|
|
prefix string,
|
|
expiration time.Duration,
|
|
logger *zap.Logger) *redisTxHash {
|
|
return &redisTxHash{
|
|
client: client,
|
|
prefix: prefix,
|
|
expiration: expiration,
|
|
logger: logger,
|
|
}
|
|
}
|
|
|
|
func (t *redisTxHash) Set(ctx context.Context, vaaID string, txHash TxHash) error {
|
|
body, err := json.Marshal(txHash)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
key := t.createKey(vaaID)
|
|
if res := t.client.Set(ctx, key, string(body), t.expiration); res.Err() != nil {
|
|
t.logger.Warn("Error setting tx hash in redis", zap.Error(res.Err()), zap.String("vaaId", vaaID))
|
|
return res.Err()
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (r *redisTxHash) SetObservation(ctx context.Context, o *gossipv1.SignedObservation) error {
|
|
txHash, err := CreateTxHash(r.logger, o)
|
|
if err != nil {
|
|
r.logger.Error("Error creating txHash", zap.Error(err))
|
|
return err
|
|
}
|
|
return r.Set(ctx, o.MessageId, *txHash)
|
|
}
|
|
|
|
func (r *redisTxHash) Get(ctx context.Context, vaaID string) (*TxHash, error) {
|
|
key := r.createKey(vaaID)
|
|
res := r.client.Get(ctx, key)
|
|
if res.Err() == nil {
|
|
var txHash TxHash
|
|
err := json.Unmarshal([]byte(res.Val()), &txHash)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &txHash, nil
|
|
}
|
|
if res.Err() == redis.Nil {
|
|
return nil, ErrTxHashNotFound
|
|
}
|
|
return nil, res.Err()
|
|
}
|
|
|
|
func (r *redisTxHash) createKey(vaaID string) string {
|
|
return fmt.Sprintf("%s:%s:%s", r.prefix, txHashByVaaIDKey, vaaID)
|
|
}
|
|
|
|
func (r *redisTxHash) GetName() string {
|
|
return "redis"
|
|
}
|