Clean up data API

Remove unused functionality and disable modification to tables that should only be written by librustzcash

src/androidTest/java/cash/z/wallet/sdk/db/DerivedDbIntegrationTest.kt

@@ -32,11 +32,6 @@ class DerivedDbIntegrationTest {
         assertNotNull(blocks)
     }
 
-    @Test
-    fun testCount_Transaction() {
-        assertEquals(5, transactions.count())
-    }
-
     @Test
     fun testCount_Block() {
         assertEquals(80101, blocks.count())
@@ -55,13 +50,6 @@ class DerivedDbIntegrationTest {
         assertEquals(343987, tran?.block)
     }
 
-    @Test
-    fun testBlockDaoPrepopulated() {
-        val tran = blocks.findById(1)?.apply {
-            assertEquals(343987, this.height)
-        }
-    }
-
     companion object {
         private lateinit var transactions: TransactionDao
         private lateinit var blocks: BlockDao

src/main/java/cash/z/wallet/sdk/dao/BlockDao.kt

@@ -5,27 +5,9 @@ import cash.z.wallet.sdk.entity.Block
 
 @Dao
 interface BlockDao {
-    @Insert(onConflict = OnConflictStrategy.REPLACE)
-    fun insert(block: Block)
-
-    @Query("SELECT * FROM blocks WHERE height = :height")
-    fun findById(height: Int): Block?
-
-    @Query("DELETE FROM blocks WHERE height = :height")
-    fun deleteById(height: Int)
-
-    @Delete
-    fun delete(block: Block)
-
     @Query("SELECT COUNT(height) FROM blocks")
     fun count(): Int
 
-    @Query("DELETE FROM blocks")
-    fun deleteAll()
-
     @Query("SELECT MAX(height) FROM blocks")
     fun lastScannedHeight(): Int
-
-    @Query("UPDATE blocks SET time=:time WHERE height = :height")
-    fun updateTime(height: Int, time: Int)
 }

src/main/java/cash/z/wallet/sdk/dao/CompactBlockDao.kt

@@ -1,26 +1,16 @@
 package cash.z.wallet.sdk.dao
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
 import cash.z.wallet.sdk.entity.CompactBlock
 
 @Dao
 interface CompactBlockDao {
-
-    @Query("SELECT COUNT(height) FROM compactblocks")
-    fun count(): Int
-
     @Insert(onConflict = OnConflictStrategy.IGNORE)
     fun insert(block: CompactBlock)
 
-    @Query("SELECT * FROM compactblocks WHERE height = :height")
-    fun findById(height: Int): CompactBlock?
-
-    @Query("DELETE FROM compactblocks WHERE height = :height")
-    fun deleteById(height: Int)
-
-    @Delete
-    fun delete(block: CompactBlock)
-
     @Query("SELECT MAX(height) FROM compactblocks")
     fun latestBlockHeight(): Int
 }