Add classes

src/main/java/com/lbry/database/Prefix.java

@@ -0,0 +1,65 @@
+package com.lbry.database;
+
+public enum Prefix{
+    CLAIM_TO_SUPPORT('K'),
+    SUPPORT_TO_CLAIM('L'),
+
+    CLAIM_TO_TXO('E'),
+    TXO_TO_CLAIM('G'),
+
+    CLAIM_TO_CHANNEL('I'),
+    CHANNEL_TO_CLAIM('J'),
+
+    CLAIM_SHORT_ID_PREFIX('F'),
+    BID_ORDER('D'),
+    CLAIM_EXPIRATION('O'),
+
+    CLAIM_TAKEOVER('P'),
+    PENDING_ACTIVATION('Q'),
+    ACTIVATED_CLAIM_AND_SUPPORT('R'),
+    ACTIVE_AMOUNT('S'),
+
+    REPOST('V'),
+    REPOSTED_CLAIM('W'),
+
+    UNDO('M'),
+    TOUCHED_OR_DELETED('Y'),
+
+    TX('B'),
+    BLOCK_HASH('C'),
+    HEADER('H'),
+    TX_NUM('N'),
+    TX_COUNT('T'),
+    TX_HASH('X'),
+    UTXO('u'),
+    HASHX_UTXO('h'),
+    HASHX_HISTORY('x'),
+    DB_STATE('s'),
+    CHANNEL_COUNT('Z'),
+    SUPPORT_AMOUNT('a'),
+    BLOCK_TX('b'),
+    TRENDING_NOTIFICATION('c'),
+    MEMPOOL_TX('d'),
+    TOUCHED_HASHX('e'),
+    HASHX_STATUS('f'),
+    HASHX_MEMPOOL_STATUS('g'),
+    REPOSTED_COUNT('j'),
+    EFFECTIVE_AMOUNT('i'),
+    FUTURE_EFFECTIVE_AMOUNT('k'),
+    HASHX_HISTORY_HASH('l');
+
+    private final byte value;
+
+    Prefix(char value){
+        this((byte) value);
+    }
+
+    Prefix(byte value){
+        this.value = value;
+    }
+
+    public byte getValue(){
+        return this.value;
+    }
+
+}