fix: proper consumer key prefix ordering (#991)

* Update keys.go

* tests

* fix another bug

* fix comments

x/ccv/consumer/types/keys.go

@@ -49,6 +49,23 @@ const (
 	// received over CCV channel but not yet flushed over ABCI
 	PendingChangesByteKey
 
+	// NOTE: This prefix is depreciated, but left in place to avoid consumer state migrations
+	// [DEPRECATED]
+	PendingDataPacketsByteKey
+
+	// PreCCVByteKey is the byte to store the consumer is running on democracy staking module without consumer
+	PreCCVByteKey
+
+	// InitialValSetByteKey is the byte to store the initial validator set for a consumer
+	InitialValSetByteKey
+
+	// NOTE: This prefix is depreciated, but left in place to avoid consumer state migrations
+	// [DEPRECATED]
+	LastStandaloneHeightByteKey
+
+	// SmallestNonOptOutPowerByteKey is the byte that will store the smallest val power that cannot opt out
+	SmallestNonOptOutPowerByteKey
+
 	// HistoricalInfoKey is the byte prefix that will store the historical info for a given height
 	HistoricalInfoBytePrefix
 
@@ -61,30 +78,18 @@ const (
 	// OutstandingDowntimePrefix is the byte prefix that will store the validators outstanding downtime by consensus address
 	OutstandingDowntimeBytePrefix
 
-	// NOTE: This prefix is depreciated, but left in place to avoid consumer state migrations
-	PendingDataPacketsBytePrefix
-
-	// CrossChainValidatorPrefix is the byte prefix that will store cross-chain validators by consensus address
-	CrossChainValidatorBytePrefix
-
-	// PendingDataPacketsByteKey is the byte key for storing
+	// PendingDataPacketsBytePrefix is the byte prefix for storing
 	// a list of data packets that cannot be sent yet to the provider
 	// chain either because the CCV channel is not established or
 	// because the client is expired
-	PendingDataPacketsByteKey
-
-	// PreCCVByteKey is the byte to store the consumer is running on democracy staking module without consumer
-	PreCCVByteKey
+	PendingDataPacketsBytePrefix
 
-	// InitialValSetByteKey is the byte to store the initial validator set for a consumer
-	InitialValSetByteKey
+	// CrossChainValidatorPrefix is the byte prefix that will store cross-chain validators by consensus address
+	CrossChainValidatorBytePrefix
 
 	// InitGenesisHeightByteKey is the byte that will store the init genesis height
 	InitGenesisHeightByteKey
 
-	// SmallestNonOptOutPowerByteKey is the byte that will store the smallest val power that cannot opt out
-	SmallestNonOptOutPowerByteKey
-
 	// StandaloneTransferChannelIDByteKey is the byte storing the channelID of transfer channel
 	// that existed from a standalone chain changing over to a consumer
 	StandaloneTransferChannelIDByteKey
@@ -170,7 +175,7 @@ func CrossChainValidatorKey(addr []byte) []byte {
 // that cannot be sent yet to the provider chain either because the CCV channel
 // is not established or because the client is expired.
 func PendingDataPacketsKey() []byte {
-	return []byte{PendingDataPacketsByteKey}
+	return []byte{PendingDataPacketsBytePrefix}
 }
 
 func PreCCVKey() []byte {

x/ccv/consumer/types/keys_test.go

@@ -27,16 +27,18 @@ func getAllKeyPrefixes() []byte {
 		ProviderClientByteKey,
 		ProviderChannelByteKey,
 		PendingChangesByteKey,
+		PendingDataPacketsByteKey,
+		PreCCVByteKey,
+		InitialValSetByteKey,
+		LastStandaloneHeightByteKey,
+		SmallestNonOptOutPowerByteKey,
 		HistoricalInfoBytePrefix,
 		PacketMaturityTimeBytePrefix,
 		HeightValsetUpdateIDBytePrefix,
 		OutstandingDowntimeBytePrefix,
+		PendingDataPacketsBytePrefix,
 		CrossChainValidatorBytePrefix,
-		PendingDataPacketsByteKey,
-		PreCCVByteKey,
-		InitialValSetByteKey,
 		InitGenesisHeightByteKey,
-		SmallestNonOptOutPowerByteKey,
 		StandaloneTransferChannelIDByteKey,
 		PrevStandaloneChainByteKey,
 	}
@@ -61,16 +63,18 @@ func getAllFullyDefinedKeys() [][]byte {
 		ProviderClientIDKey(),
 		ProviderChannelKey(),
 		PendingChangesKey(),
+		// PendingDataPacketsKey() does not use duplicated prefix with value of 0x06
+		PreCCVKey(),
+		InitialValSetKey(),
+		// LastStandaloneHeightKey() is depreciated
+		SmallestNonOptOutPowerKey(),
 		HistoricalInfoKey(0),
 		PacketMaturityTimeKey(0, time.Time{}),
 		HeightValsetUpdateIDKey(0),
 		OutstandingDowntimeKey([]byte{}),
-		CrossChainValidatorKey([]byte{}),
 		PendingDataPacketsKey(),
-		PreCCVKey(),
-		InitialValSetKey(),
+		CrossChainValidatorKey([]byte{}),
 		InitGenesisHeightKey(),
-		SmallestNonOptOutPowerKey(),
 		StandaloneTransferChannelIDKey(),
 		PrevStandaloneChainKey(),
 	}