diff --git a/lbry/db/database.py b/lbry/db/database.py
index 97a89c6c4..c27f056bf 100644
--- a/lbry/db/database.py
+++ b/lbry/db/database.py
@@ -1,6 +1,6 @@
 import os
 import asyncio
-from typing import List, Optional, Tuple, Iterable
+from typing import List, Optional, Tuple, Iterable, TYPE_CHECKING
 from concurrent.futures import Executor, ThreadPoolExecutor, ProcessPoolExecutor
 from functools import partial
 
@@ -8,12 +8,15 @@ from sqlalchemy import create_engine, text
 
 from lbry.crypto.bip32 import PubKey
 from lbry.schema.result import Censor
-from lbry.blockchain.ledger import Ledger
 from lbry.blockchain.transaction import Transaction, Output
 from .constants import TXO_TYPES
 from . import queries as q
 
 
+if TYPE_CHECKING:
+    from lbry.blockchain.ledger import Ledger
+
+
 def clean_wallet_account_ids(constraints):
     wallet = constraints.pop('wallet', None)
     account = constraints.pop('account', None)
@@ -28,12 +31,12 @@ def clean_wallet_account_ids(constraints):
         constraints['account_ids'] = [account.id for account in accounts]
 
 
-def add_channel_keys_to_txo_results(accounts: List, txos: Iterable[Output]):
+async def add_channel_keys_to_txo_results(accounts: List, txos: Iterable[Output]):
     sub_channels = set()
     for txo in txos:
         if txo.claim.is_channel:
             for account in accounts:
-                private_key = account.get_channel_private_key(
+                private_key = await account.get_channel_private_key(
                     txo.claim.channel.public_key_bytes
                 )
                 if private_key:
@@ -42,17 +45,21 @@ def add_channel_keys_to_txo_results(accounts: List, txos: Iterable[Output]):
         if txo.channel is not None:
             sub_channels.add(txo.channel)
     if sub_channels:
-        add_channel_keys_to_txo_results(accounts, sub_channels)
+        await add_channel_keys_to_txo_results(accounts, sub_channels)
 
 
 class Database:
 
-    def __init__(self, ledger: Ledger, url: str, multiprocess=False):
+    def __init__(self, ledger: 'Ledger', url: str, multiprocess=False):
         self.url = url
         self.ledger = ledger
         self.multiprocess = multiprocess
         self.executor: Optional[Executor] = None
 
+    @classmethod
+    def from_memory(cls, ledger):
+        return cls(ledger, 'sqlite:///:memory:')
+
     def sync_create(self, name):
         engine = create_engine(self.url)
         db = engine.connect()
@@ -145,8 +152,8 @@ class Database:
     async def get_balance(self, **constraints):
         return await self.run_in_executor(q.get_balance, **constraints)
 
-    async def get_supports_summary(self, **constraints):
-        return await self.run_in_executor(self.get_supports_summary, **constraints)
+    async def get_report(self, accounts):
+        return await self.run_in_executor(q.get_report, accounts=accounts)
 
     async def get_addresses(self, **constraints) -> Tuple[List[dict], Optional[int]]:
         addresses, count = await self.run_in_executor(q.get_addresses, **constraints)
@@ -193,10 +200,10 @@ class Database:
         return await self.run_in_executor(q.get_txo_plot, **constraints)
 
     async def get_txos(self, **constraints) -> Tuple[List[Output], Optional[int]]:
-        txos = await self.run_in_executor(q.get_txos, **constraints)
+        txos, count = await self.run_in_executor(q.get_txos, **constraints)
         if 'wallet' in constraints:
-            add_channel_keys_to_txo_results(constraints['wallet'], txos)
-        return txos
+            await add_channel_keys_to_txo_results(constraints['wallet'].accounts, txos)
+        return txos, count
 
     async def get_utxos(self, **constraints) -> Tuple[List[Output], Optional[int]]:
         return await self.get_txos(is_spent=False, **constraints)
@@ -207,7 +214,7 @@ class Database:
     async def get_claims(self, **constraints) -> Tuple[List[Output], Optional[int]]:
         txos, count = await self.run_in_executor(q.get_claims, **constraints)
         if 'wallet' in constraints:
-            add_channel_keys_to_txo_results(constraints['wallet'].accounts, txos)
+            await add_channel_keys_to_txo_results(constraints['wallet'].accounts, txos)
         return txos, count
 
     async def get_streams(self, **constraints) -> Tuple[List[Output], Optional[int]]:
diff --git a/lbry/db/queries.py b/lbry/db/queries.py
index 81b2beda5..da44289eb 100644
--- a/lbry/db/queries.py
+++ b/lbry/db/queries.py
@@ -737,6 +737,14 @@ def get_txo_sum(**constraints):
     return result[0]['total'] or 0
 
 
+def get_balance(**constraints):
+    return get_txo_sum(is_spent=False, **constraints)
+
+
+def get_report(account_ids):
+    return
+
+
 def get_txo_plot(start_day=None, days_back=0, end_day=None, days_after=None, **constraints):
     _clean_txo_constraints_for_aggregation(constraints)
     if start_day is None:
@@ -771,13 +779,6 @@ def get_purchases(**constraints) -> Tuple[List[Output], Optional[int]]:
     return [tx.outputs[0] for tx in txs], count
 
 
-def get_balance(**constraints):
-    balance = select_txos(
-        [func.sum(TXO.c.amount).label('total')], is_spent=False, **constraints
-    )
-    return balance[0]['total'] or 0
-
-
 def select_addresses(cols, **constraints):
     return ctx().fetchall(query(
         [AccountAddress, PubkeyAddress],