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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package cache | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "time" | ||
|
|
||
| "github.com/benleb/gloomberg/internal/gbl" | ||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/go-redis/redis/v8" | ||
| "github.com/spf13/viper" | ||
| ) | ||
|
|
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| var gbCache *GbCache | ||
|
|
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| type GbCache struct { | ||
| rdb *redis.Client | ||
| addressToName map[common.Address]string | ||
| } | ||
|
|
||
| func New(ctx context.Context) *GbCache { | ||
| if gbCache != nil { | ||
| return gbCache | ||
| } | ||
|
|
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| gCache := &GbCache{ | ||
| addressToName: make(map[common.Address]string), | ||
| } | ||
|
|
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| if viper.GetBool("redis.enabled") { | ||
| if client := NewRCache(ctx); client != nil { | ||
| gCache.rdb = client | ||
| } | ||
| } | ||
|
|
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| return gCache | ||
| } | ||
|
|
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| func (c *GbCache) GetRDB() *redis.Client { | ||
| return c.rdb | ||
| } | ||
|
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| func (c *GbCache) CacheCollectionName(collectionAddress common.Address, collectionName string) { | ||
| c.cacheName(collectionAddress, keyContract, collectionName, viper.GetDuration("cache.names_ttl")) | ||
| } | ||
|
|
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| func (c *GbCache) GetCollectionName(collectionAddress common.Address) (string, error) { | ||
| return c.getName(collectionAddress, keyContract) | ||
| } | ||
|
|
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| func (c *GbCache) CacheENSName(walletAddress common.Address, ensName string) { | ||
| c.cacheName(walletAddress, keyENS, ensName, viper.GetDuration("cache.ens_ttl")) | ||
| } | ||
|
|
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| func (c *GbCache) GetENSName(walletAddress common.Address) (string, error) { | ||
| return c.getName(walletAddress, keyENS) | ||
| } | ||
|
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| func (c *GbCache) cacheName(address common.Address, keyFunc func(common.Address) string, value string, duration time.Duration) { | ||
| c.addressToName[address] = value | ||
|
|
||
| if c.rdb != nil { | ||
| gbl.Log.Debugf("redis | searching for: %s", keyFunc(address)) | ||
|
|
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| err := c.rdb.SetEX(c.rdb.Context(), keyFunc(address), value, duration).Err() | ||
|
|
||
| if err != nil { | ||
| gbl.Log.Warnf("redis | error while adding: %s", err.Error()) | ||
| } else { | ||
| gbl.Log.Debugf("redis | added: %s -> %s", keyFunc(address), value) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (c *GbCache) getName(address common.Address, keyFunc func(common.Address) string) (string, error) { | ||
| if name := c.addressToName[address]; name != "" { | ||
| return name, nil | ||
| } | ||
|
|
||
| if c.rdb != nil { | ||
| gbl.Log.Debugf("redis | searching for: %s", keyFunc(address)) | ||
|
|
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| if name, err := c.rdb.Get(c.rdb.Context(), keyFunc(address)).Result(); err == nil && name != "" { | ||
| gbl.Log.Debugf("redis | using cached name: %s", name) | ||
|
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| c.addressToName[address] = name | ||
|
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| return name, nil | ||
| } else { | ||
| gbl.Log.Debugf("redis | name not found in cache: %s", err) | ||
|
|
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| return "", err | ||
| } | ||
| } | ||
|
|
||
| return "", errors.New("name not found in cache") | ||
| } |
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