Merge PR #7121: Support Event Indexing

server/config/config.go

@@ -45,6 +45,10 @@ type BaseConfig struct {
 
 	// InterBlockCache enables inter-block caching.
 	InterBlockCache bool `mapstructure:"inter-block-cache"`
+
+	// IndexEvents defines the set of events in the form {eventType}.{attributeKey},
+	// which informs Tendermint what to index. If empty, all events will be indexed.
+	IndexEvents []string `mapstructure:"index-events"`
 }
 
 // APIConfig defines the API listener configuration.
@@ -134,6 +138,7 @@ func DefaultConfig() *Config {
 			PruningKeepRecent: "0",
 			PruningKeepEvery:  "0",
 			PruningInterval:   "0",
+			IndexEvents:       make([]string, 0),
 		},
 		Telemetry: telemetry.Config{
 			Enabled:      false,
@@ -175,6 +180,7 @@ func GetConfig(v *viper.Viper) Config {
 			PruningInterval:   v.GetString("pruning-interval"),
 			HaltHeight:        v.GetUint64("halt-height"),
 			HaltTime:          v.GetUint64("halt-time"),
+			IndexEvents:       v.GetStringSlice("index-events"),
 		},
 		Telemetry: telemetry.Config{
 			ServiceName:             v.GetString("telemetry.service-name"),

server/config/toml.go

@@ -47,6 +47,13 @@ halt-time = {{ .BaseConfig.HaltTime }}
 # InterBlockCache enables inter-block caching.
 inter-block-cache = {{ .BaseConfig.InterBlockCache }}
 
+# IndexEvents defines the set of events in the form {eventType}.{attributeKey},
+# which informs Tendermint what to index. If empty, all events will be indexed.
+#
+# Example:
+# ["message.sender", "message.recipient"]
+index-events = {{ .BaseConfig.IndexEvents }}
+
 ###############################################################################
 ###                         Telemetry Configuration                         ###
 ###############################################################################

server/start.go

@@ -48,6 +48,7 @@ const (
 	FlagPruningKeepRecent = "pruning-keep-recent"
 	FlagPruningKeepEvery  = "pruning-keep-every"
 	FlagPruningInterval   = "pruning-interval"
+	FlagIndexEvents       = "index-events"
 )
 
 // GRPC-related flags.