progress

lbry/blockchain/block.py

@@ -50,7 +50,10 @@ class Block(NamedTuple):
             timestamp=timestamp,
             bits=bits,
             nonce=nonce,
-            txs=[Transaction(height=height, position=i).deserialize(stream) for i in range(tx_count)]
+            txs=[
+                Transaction(height=height, position=i, timestamp=timestamp).deserialize(stream)
+                for i in range(tx_count)
+            ]
         )
 
     @property

lbry/blockchain/database.py

@@ -1,8 +1,11 @@
 import os.path
 import asyncio
 import sqlite3
-from typing import Optional
+from typing import List, Optional
 from concurrent.futures import ThreadPoolExecutor
+from lbry.schema.url import normalize_name
+
+from .bcd_data_stream import BCDataStream
 
 
 FILES = [
@@ -11,6 +14,27 @@ FILES = [
 ]
 
 
+class FindShortestID:
+    __slots__ = 'short_id', 'new_id'
+
+    def __init__(self):
+        self.short_id = ''
+        self.new_id = None
+
+    def step(self, other_id, new_id):
+        other_id = other_id[::-1].hex()
+        if self.new_id is None:
+            self.new_id = new_id[::-1].hex()
+        for i in range(len(self.new_id)):
+            if other_id[i] != self.new_id[i]:
+                if i > len(self.short_id)-1:
+                    self.short_id = self.new_id[:i+1]
+                break
+
+    def finalize(self):
+        return self.short_id
+
+
 class BlockchainDB:
 
     def __init__(self, directory: str):
@@ -30,6 +54,10 @@ class BlockchainDB:
             self.connection.execute(
                 f"ATTACH DATABASE '{os.path.join(self.directory, file+'.sqlite')}' AS {file}"
             )
+        self.connection.create_aggregate("find_shortest_id", 2, FindShortestID)
+        #self.connection.execute(
+        #    "CREATE INDEX IF NOT EXISTS claim_originalheight ON claim (originalheight);"
+        #)
         self.connection.row_factory = sqlite3.Row
 
     async def open(self):
@@ -48,88 +76,162 @@ class BlockchainDB:
             self.executor.shutdown()
             self.executor = None
 
+    async def commit(self):
+        await self.run_in_executor(self.connection.commit)
+
     def sync_execute(self, sql: str, *args):
         return self.connection.execute(sql, *args)
 
-    async def execute(self, sql, *args):
+    async def execute(self, sql: str, *args):
         return await self.run_in_executor(self.sync_execute, sql, *args)
 
-    def sync_execute_fetchall(self, sql: str, *args):
+    def sync_execute_fetchall(self, sql: str, *args) -> List[dict]:
-        return list(self.connection.execute(sql, *args).fetchall())
+        return [dict(r) for r in self.connection.execute(sql, *args).fetchall()]
 
-    async def execute_fetchall(self, sql: str, *args):
+    async def execute_fetchall(self, sql: str, *args) -> List[dict]:
         return await self.run_in_executor(self.sync_execute_fetchall, sql, *args)
 
-    def sync_get_block_files(self, file_number=None, above_height=None):
+    def sync_get_best_height(self) -> int:
+        sql = "SELECT MAX(height) FROM block_info"
+        return self.connection.execute(sql).fetchone()[0]
+
+    async def get_best_height(self) -> int:
+        return await self.run_in_executor(self.sync_get_best_height)
+
+    def sync_get_block_files(self, file_number: int = None, start_height: int = None) -> List[dict]:
         sql = """
             SELECT
                 file as file_number,
                 COUNT(hash) as blocks,
                 SUM(txcount) as txs,
-                MAX(height) as max_height
+                MAX(height) as best_height
             FROM block_info
             WHERE status&1 AND status&4
         """
         args = ()
-        if file_number is not None and above_height is not None:
+        if file_number is not None and start_height is not None:
-            sql += "AND file = ? AND height > ?"
+            sql += "AND file = ? AND height >= ?"
-            args = (file_number, above_height)
+            args = (file_number, start_height)
         return self.sync_execute_fetchall(sql + " GROUP BY file ORDER BY file ASC;", args)
 
-    async def get_block_files(self, file_number=None, above_height=None):
+    async def get_block_files(self, file_number: int = None, start_height: int = None) -> List[dict]:
         return await self.run_in_executor(
-            self.sync_get_block_files, file_number, above_height
+            self.sync_get_block_files, file_number, start_height
         )
 
-    def sync_get_blocks_in_file(self, block_file, above_height=-1):
+    def sync_get_blocks_in_file(self, block_file: int, start_height=0) -> List[dict]:
         return self.sync_execute_fetchall(
             """
             SELECT datapos as data_offset, height, hash as block_hash, txCount as txs
             FROM block_info
-            WHERE file = ? AND height > ? AND status&1 AND status&4
+            WHERE file = ? AND height >= ? AND status&1 AND status&4
             ORDER BY datapos ASC;
-            """, (block_file, above_height)
+            """, (block_file, start_height)
         )
 
-    async def get_blocks_in_file(self, block_file, above_height=-1):
+    async def get_blocks_in_file(self, block_file: int, start_height=0) -> List[dict]:
-        return await self.run_in_executor(self.sync_get_blocks_in_file, block_file, above_height)
+        return await self.run_in_executor(self.sync_get_blocks_in_file, block_file, start_height)
 
-    def sync_get_claimtrie(self):
+    def sync_get_claim_support_txo_hashes(self, at_height: int) -> set:
+        return {
+            r['txID'] + BCDataStream.uint32.pack(r['txN'])
+            for r in self.connection.execute(
+                """
+                SELECT txID, txN FROM claim WHERE updateHeight = ?
+                UNION
+                SELECT txID, txN FROM support WHERE blockHeight = ?
+                """, (at_height, at_height)
+            ).fetchall()
+        }
+
+    def sync_get_takeover_count(self, start_height: int, end_height: int) -> int:
+        sql = "SELECT COUNT(*) FROM takeover WHERE height BETWEEN ? AND ?"
+        return self.connection.execute(sql, (start_height, end_height)).fetchone()[0]
+
+    async def get_takeover_count(self, start_height: int, end_height: int) -> int:
+        return await self.run_in_executor(self.sync_get_takeover_count, start_height, end_height)
+
+    def sync_get_takeovers(self, start_height: int, end_height: int) -> List[dict]:
         return self.sync_execute_fetchall(
             """
             SELECT
-                takeover.name AS normalized,
+                takeover.name,
                 takeover.claimID AS claim_hash,
-                takeover.height AS last_take_over_height,
+                takeover.height
-                originalHeight AS original_height,
+            FROM takeover
-                updateHeight AS update_height,
+            WHERE height BETWEEN ? AND ?
-                validHeight AS valid_height,
+            ORDER BY height, name
-                activationHeight AS activation_height,
+            """, (start_height, end_height)
-                expirationHeight AS expiration_height
-            FROM takeover JOIN claim USING (claimID)
-            GROUP BY takeover.name HAVING MAX(height);
-            """
         )
 
-    async def get_claimtrie(self):
+    async def get_takeovers(self, start_height: int, end_height: int) -> List[dict]:
-        return await self.run_in_executor(self.sync_get_claimtrie)
+        return await self.run_in_executor(self.sync_get_takeovers, start_height, end_height)
 
-    def sync_get_claims(self):
+    def sync_get_claim_metadata_count(self, start_height: int, end_height: int) -> int:
-        return self.sync_execute_fetchall(
+        sql = "SELECT COUNT(*) FROM claim WHERE originalHeight BETWEEN ? AND ?"
+        return self.connection.execute(sql, (start_height, end_height)).fetchone()[0]
+
+    async def get_claim_metadata_count(self, start_height: int, end_height: int) -> int:
+        return await self.run_in_executor(self.sync_get_claim_metadata_count, start_height, end_height)
+
+    def sync_get_claim_metadata(self, start_height: int, end_height: int) -> List[dict]:
+        return [{
+            "name": r["name"],
+            "claim_hash_": r["claimID"],
+            "activation_height": r["activationHeight"],
+            "expiration_height": r["expirationHeight"],
+            "takeover_height": r["takeoverHeight"],
+            "is_controlling": r["isControlling"],
+            "short_url": f'{normalize_name(r["name"].decode())}#{r["shortestID"] or r["claimID"][::-1].hex()[0]}',
+            "short_url_": f'{normalize_name(r["name"].decode())}#{r["shortestID"] or r["claimID"][::-1].hex()[0]}',
+            } for r in self.sync_execute_fetchall(
             """
             SELECT
-                claimID AS claim_hash,
+                name, claimID, activationHeight, expirationHeight,
-                txID AS tx_hash,
+                (SELECT
-                txN AS position,
+                    CASE WHEN takeover.claimID = claim.claimID THEN takeover.height END
-                amount,
+                    FROM takeover WHERE takeover.name = claim.name
-                originalHeight AS original_height,
+                    ORDER BY height DESC LIMIT 1
-                updateHeight AS update_height,
+                ) AS takeoverHeight,
-                validHeight AS valid_height,
+                (SELECT CASE WHEN takeover.claimID = claim.claimID THEN 1 ELSE 0 END
-                activationHeight AS activation_height,
+                 FROM takeover WHERE takeover.name = claim.name
-                expirationHeight AS expiration_height
+                 ORDER BY height DESC LIMIT 1
-            FROM claims.claim
+                ) AS isControlling,
-            """
+                (SELECT find_shortest_id(c.claimid, claim.claimid) FROM claim AS c
-        )
+                 WHERE
+                    c.nodename = claim.nodename AND
+                    c.originalheight <= claim.originalheight AND
+                    c.claimid != claim.claimid
+                ) AS shortestID
+            FROM claim
+            WHERE originalHeight BETWEEN ? AND ?
+            ORDER BY originalHeight
+            """, (start_height, end_height)
+        )]
 
-    async def get_claims(self):
+    async def get_claim_metadata(self, start_height: int, end_height: int) -> List[dict]:
-        return await self.run_in_executor(self.sync_get_claims)
+        return await self.run_in_executor(self.sync_get_claim_metadata, start_height, end_height)
+
+    def sync_get_support_metadata_count(self, start_height: int, end_height: int) -> int:
+        sql = "SELECT COUNT(*) FROM support WHERE blockHeight BETWEEN ? AND ?"
+        return self.connection.execute(sql, (start_height, end_height)).fetchone()[0]
+
+    async def get_support_metadata_count(self, start_height: int, end_height: int) -> int:
+        return await self.run_in_executor(self.sync_get_support_metadata_count, start_height, end_height)
+
+    def sync_get_support_metadata(self, start_height: int, end_height: int) -> List[dict]:
+        return [{
+            "name": r['name'],
+            "txo_hash_pk": r['txID'] + BCDataStream.uint32.pack(r['txN']),
+            "activation_height": r['activationHeight'],
+            "expiration_height": r['expirationHeight'],
+            } for r in self.sync_execute_fetchall(
+            """
+            SELECT name, txid, txn, activationHeight, expirationHeight
+            FROM support WHERE blockHeight BETWEEN ? AND ?
+            """, (start_height, end_height)
+            )
+        ]
+
+    async def get_support_metadata(self, start_height: int, end_height: int) -> List[dict]:
+        return await self.run_in_executor(self.sync_get_support_metadata, start_height, end_height)

lbry/blockchain/script.py

@@ -443,6 +443,17 @@ class OutputScript(Script):
         SUPPORT_CLAIM_OPCODES + PAY_SCRIPT_HASH.opcodes
     ))
 
+    SUPPORT_CLAIM_DATA_OPCODES = (
+        OP_SUPPORT_CLAIM, PUSH_SINGLE('claim_name'), PUSH_SINGLE('claim_id'), PUSH_SINGLE('support'),
+        OP_2DROP, OP_2DROP
+    )
+    SUPPORT_CLAIM_DATA_PUBKEY = Template('support_claim+data+pay_pubkey_hash', (
+        SUPPORT_CLAIM_DATA_OPCODES + PAY_PUBKEY_HASH.opcodes
+    ))
+    SUPPORT_CLAIM_DATA_SCRIPT = Template('support_claim+data+pay_script_hash', (
+        SUPPORT_CLAIM_DATA_OPCODES + PAY_SCRIPT_HASH.opcodes
+    ))
+
     UPDATE_CLAIM_OPCODES = (
         OP_UPDATE_CLAIM, PUSH_SINGLE('claim_name'), PUSH_SINGLE('claim_id'), PUSH_SINGLE('claim'),
         OP_2DROP, OP_2DROP
@@ -479,6 +490,8 @@ class OutputScript(Script):
         CLAIM_NAME_SCRIPT,
         SUPPORT_CLAIM_PUBKEY,
         SUPPORT_CLAIM_SCRIPT,
+        SUPPORT_CLAIM_DATA_PUBKEY,
+        SUPPORT_CLAIM_DATA_SCRIPT,
         UPDATE_CLAIM_PUBKEY,
         UPDATE_CLAIM_SCRIPT,
         SELL_CLAIM, SELL_SCRIPT,
@@ -532,6 +545,16 @@ class OutputScript(Script):
             'pubkey_hash': pubkey_hash
         })
 
+    @classmethod
+    def pay_support_data_pubkey_hash(
+            cls, claim_name: bytes, claim_id: bytes, support, pubkey_hash: bytes):
+        return cls(template=cls.SUPPORT_CLAIM_DATA_PUBKEY, values={
+            'claim_name': claim_name,
+            'claim_id': claim_id,
+            'support': support,
+            'pubkey_hash': pubkey_hash
+        })
+
     @classmethod
     def sell_script(cls, price):
         return cls(template=cls.SELL_SCRIPT, values={
@@ -580,6 +603,10 @@ class OutputScript(Script):
     def is_support_claim(self):
         return self.template.name.startswith('support_claim+')
 
+    @property
+    def is_support_claim_data(self):
+        return self.template.name.startswith('support_claim+data+')
+
     @property
     def is_sell_claim(self):
         return self.template.name.startswith('sell_claim+')

lbry/blockchain/sync.py

@@ -2,21 +2,27 @@ import os
 import asyncio
 import logging
 from contextvars import ContextVar
-from typing import Optional
+from typing import Optional, Tuple, Set, NamedTuple
 
-from sqlalchemy import func, bindparam
+from sqlalchemy import func, bindparam, case, distinct, between
 from sqlalchemy.future import select
 
 from lbry.event import BroadcastSubscription
 from lbry.service.base import Sync, BlockEvent
-from lbry.db import Database, queries, TXO_TYPES
+from lbry.db import Database, queries, TXO_TYPES, CLAIM_TYPE_CODES
-from lbry.db.tables import Claim, Claimtrie, TXO, TXI, Block as BlockTable
+from lbry.db.tables import Claim, Takeover, Support, TXO, TX, TXI, Block as BlockTable
 from lbry.db.query_context import progress, context, Event
-from lbry.db.utils import chunk
+from lbry.db.queries import rows_to_txos
+from lbry.db.sync import (
+    condition_spent_claims, condition_spent_supports,
+    select_missing_claims, select_stale_claims, select_missing_supports
+)
+from lbry.schema.url import normalize_name
 
 from .lbrycrd import Lbrycrd
 from .block import Block, create_block_filter
 from .bcd_data_stream import BCDataStream
+from .transaction import Output
 
 
 log = logging.getLogger(__name__)
@@ -33,14 +39,14 @@ def get_or_initialize_lbrycrd(ctx=None) -> Lbrycrd:
     return chain
 
 
-def process_block_file(block_file_number, current_height):
+def process_block_file(block_file_number: int, starting_height: int, initial_sync: bool):
     ctx = context()
     chain = get_or_initialize_lbrycrd(ctx)
     stop = ctx.stop_event
     loader = ctx.get_bulk_loader()
 
     with progress(Event.BLOCK_READ, 100) as p:
-        new_blocks = chain.db.sync_get_blocks_in_file(block_file_number, current_height)
+        new_blocks = chain.db.sync_get_blocks_in_file(block_file_number, starting_height)
         if not new_blocks:
             return -1
         done, total, last_block_processed = 0, len(new_blocks), -1
@@ -54,7 +60,9 @@ def process_block_file(block_file_number, current_height):
                 block_height = block_info['height']
                 fp.seek(block_info['data_offset'])
                 block = Block.from_data_stream(stream, block_height, block_file_number)
-                loader.add_block(block)
+                loader.add_block(
+                    block, initial_sync and chain.db.sync_get_claim_support_txo_hashes(block_height)
+                )
                 last_block_processed = block_height
                 p.step(done)
 
@@ -65,61 +73,351 @@ def process_block_file(block_file_number, current_height):
     return last_block_processed
 
 
-def process_claimtrie(heights):
+def process_takeovers(starting_height: int, ending_height: int):
     chain = get_or_initialize_lbrycrd()
+    with progress(Event.TAKEOVER_INSERT) as p:
+        p.start(chain.db.sync_get_takeover_count(
+            above_height=starting_height, limit_height=ending_height
+        ))
+        done, step_size = 0, 500
+        for offset in range(starting_height, ending_height+1, step_size):
+            takeovers = chain.db.sync_get_takeovers(
+                above_height=offset, limit_height=min(offset+step_size, ending_height),
+            )
+            if takeovers:
+                p.ctx.execute(Takeover.insert(), takeovers)
+                done += len(takeovers)
+                p.step(done)
 
-    with progress(Event.TRIE_DELETE) as p:
+
+def signature_validation(d: dict, row: dict, public_key) -> dict:
+    d['is_signature_valid'] = False
+    if Output.is_signature_valid(bytes(row['signature']), bytes(row['signature_digest']), public_key):
+        d['is_signature_valid'] = True
+    return d
+
+
+def select_updated_channel_keys(starting_height, ending_height, *cols):
+    return (
+        select(*cols).select_from(Claim)
+        .where(
+            (Claim.c.claim_type == TXO_TYPES['channel']) &
+            between(Claim.c.public_key_height, starting_height, ending_height)
+        )
+    )
+
+
+def get_updated_channel_key_count(ctx, starting_height, ending_height):
+    sql = select_updated_channel_keys(
+        starting_height, ending_height, func.count('*').label('total')
+    )
+    return ctx.fetchone(sql)['total']
+
+
+def get_updated_channel_keys(ctx, starting_height, ending_height):
+    sql = select_updated_channel_keys(
+        starting_height, ending_height,
+        Claim.c.claim_hash, Claim.c.public_key, Claim.c.height
+    )
+    return ctx.fetchall(sql)
+
+
+def get_signables_for_channel(ctx, table, pk, channel):
+    sql = (
+        select(pk, table.c.signature, table.c.signature_digest)
+        .where(table.c.channel_hash == channel['claim_hash'])
+    )
+    return ctx.fetchall(sql)
+
+
+def select_unvalidated_signables(signable, starting_height: int, ending_height: int, *cols):
+    channel = Claim.alias('channel')
+    if len(cols) > 1:
+        cols += (channel.c.public_key,)
+    return (
+        select(*cols)
+        .select_from(signable.join(channel, signable.c.channel_hash == channel.c.claim_hash))
+        .where(
+            (signable.c.signature != None) &
+            (signable.c.is_signature_valid == False) &
+            between(signable.c.height, starting_height, ending_height)
+        )
+    )
+
+
+def get_unvalidated_signable_count(ctx, signable, starting_height: int, ending_height: int):
+    sql = select_unvalidated_signables(
+        signable, starting_height, ending_height, func.count('*').label('total')
+    )
+    return ctx.fetchone(sql)['total']
+
+
+def get_unvalidated_signables(ctx, signable, starting_height: int, ending_height: int, pk):
+    sql = select_unvalidated_signables(
+        signable, starting_height, ending_height,
+        pk, signable.c.signature, signable.c.signature_digest
+    )
+    return ctx.fetchall(sql)
+
+
+class ClaimChanges(NamedTuple):
+    deleted_channels: Set[bytes]
+    channels_with_changed_claims: Set[bytes]
+    claims_with_changed_supports: Set[bytes]
+
+
+def process_claims_and_supports():
+    with progress(Event.CLAIM_DELETE) as p:
+        channels_with_deleted_claims = {
+            r['channel_hash'] for r in p.ctx.fetchall(
+                select(distinct(Claim.c.channel_hash))
+                .where(condition_spent_claims(
+                    list(set(CLAIM_TYPE_CODES) - {TXO_TYPES['channel']})
+                ) & (Claim.c.channel_hash != None))
+            )
+        }
+        deleted_channels = {
+            r['claim_hash'] for r in p.ctx.fetchall(
+                select(distinct(Claim.c.claim_hash)).where(
+                    (Claim.c.claim_type == TXO_TYPES['channel']) &
+                    condition_spent_claims([TXO_TYPES['channel']])
+                )
+            )
+        }
         p.start(1)
-        p.ctx.execute(Claimtrie.delete())
+        p.ctx.execute(Claim.delete().where(condition_spent_claims()))
 
-    with progress(Event.TRIE_UPDATE) as p, context().connection.begin():
+    with progress(Event.CLAIM_INSERT) as p:
-        trie = chain.db.sync_get_claimtrie()
+        channels_with_added_claims = set()
-        p.start(len(trie))
+        loader = p.ctx.get_bulk_loader()
-        done = 0
+        for txo in rows_to_txos(p.ctx.fetchall(select_missing_claims)):
-        for chunk_size, chunk_rows in chunk(trie, 10000):
+            loader.add_claim(txo)
-            p.ctx.execute(
+            if txo.can_decode_claim and txo.claim.is_signed:
-                Claimtrie.insert(), [{
+                channels_with_added_claims.add(txo.claim.signing_channel_hash)
-                    'normalized': r['normalized'],
+        loader.save()
-                    'claim_hash': r['claim_hash'],
+
-                    'last_take_over_height': r['last_take_over_height'],
+    with progress(Event.CLAIM_UPDATE) as p:
-                } for r in chunk_rows]
+        loader = p.ctx.get_bulk_loader()
+        for claim in rows_to_txos(p.ctx.fetchall(select_stale_claims)):
+            loader.update_claim(claim)
+        loader.save()
+
+    with progress(Event.SUPPORT_DELETE) as p:
+        claims_with_deleted_supports = {
+            r['claim_hash'] for r in p.ctx.fetchall(
+                select(distinct(Support.c.claim_hash)).where(condition_spent_supports)
             )
-            done += chunk_size
+        }
+        p.start(1)
+        sql = Support.delete().where(condition_spent_supports)
+        p.ctx.execute(sql)
+
+    with progress(Event.SUPPORT_INSERT) as p:
+        claims_with_added_supports = {
+            r['claim_hash'] for r in p.ctx.fetchall(
+                select(distinct(Support.c.claim_hash)).where(condition_spent_supports)
+            )
+        }
+        loader = p.ctx.get_bulk_loader()
+        for support in rows_to_txos(p.ctx.fetchall(select_missing_supports)):
+            loader.add_support(support)
+        loader.save()
+
+    return ClaimChanges(
+        deleted_channels=deleted_channels,
+        channels_with_changed_claims=(
+            channels_with_added_claims | channels_with_deleted_claims
+        ),
+        claims_with_changed_supports=(
+            claims_with_added_supports | claims_with_deleted_supports
+        )
+    )
+
+
+def process_metadata(starting_height: int, ending_height: int, initial_sync: bool):
+    # TODO:
+    # - claim updates to point to a different channel
+    # - deleting a channel should invalidate contained claim signatures
+    chain = get_or_initialize_lbrycrd()
+    channel = Claim.alias('channel')
+    changes = process_claims_and_supports() if not initial_sync else None
+
+    support_amount_calculator = (
+        select(func.coalesce(func.sum(Support.c.amount), 0) + Claim.c.amount)
+        .select_from(Support)
+        .where(Support.c.claim_hash == Claim.c.claim_hash)
+        .scalar_subquery()
+    )
+
+    supports_in_claim_calculator = (
+        select(func.count('*'))
+        .select_from(Support)
+        .where(Support.c.claim_hash == Claim.c.claim_hash)
+        .scalar_subquery()
+    )
+
+    stream = Claim.alias('stream')
+    claims_in_channel_calculator = (
+        select(func.count('*'))
+        .select_from(stream)
+        .where(stream.c.channel_hash == Claim.c.claim_hash)
+        .scalar_subquery()
+    )
+
+    with progress(Event.CLAIM_META) as p:
+        p.start(chain.db.sync_get_claim_metadata_count(start_height=starting_height, end_height=ending_height))
+        claim_update_sql = (
+            Claim.update().where(Claim.c.claim_hash == bindparam('claim_hash_'))
+            .values(
+                canonical_url=case([(
+                    ((Claim.c.canonical_url == None) & (Claim.c.channel_hash != None)),
+                    select(channel.c.short_url).select_from(channel)
+                    .where(channel.c.claim_hash == Claim.c.channel_hash)
+                    .scalar_subquery() + '/' + bindparam('short_url_')
+                )], else_=Claim.c.canonical_url),
+                support_amount=support_amount_calculator,
+                supports_in_claim_count=supports_in_claim_calculator,
+                claims_in_channel_count=case([(
+                    (Claim.c.claim_type == TXO_TYPES['channel']), claims_in_channel_calculator
+                )], else_=0),
+            )
+        )
+        done, step_size = 0, 500
+        for offset in range(starting_height, ending_height+1, step_size):
+            claims = chain.db.sync_get_claim_metadata(
+                start_height=offset, end_height=min(offset+step_size, ending_height)
+            )
+            if claims:
+                p.ctx.execute(claim_update_sql, claims)
+                done += len(claims)
                 p.step(done)
 
-    with progress(Event.TRIE_UPDATE, 250) as p, context().connection.begin():
+    if not initial_sync and changes.claims_with_changed_supports:
-        claims = chain.db.sync_get_claims()
+        # covered by Event.CLAIM_META during initial_sync, then only run if supports change
-        p.start(len(claims))
+        with progress(Event.CLAIM_CALC) as p:
-        done = 0
+            p.start(len(changes.claims_with_changed_supports))
-        for record in claims:
+            sql = (
-            p.ctx.execute(
                 Claim.update()
-                .where(Claim.c.claim_hash == record['claim_hash'])
+                .where((Claim.c.claim_hash.in_(changes.claims_with_changed_supports)))
                 .values(
-                    activation_height=record['activation_height'],
+                    support_amount=support_amount_calculator,
-                    expiration_height=record['expiration_height']
+                    supports_in_claim_count=supports_in_claim_calculator,
                 )
             )
-            done += 1
+            p.ctx.execute(sql)
+
+    if not initial_sync and changes.channels_with_changed_claims:
+        # covered by Event.CLAIM_META during initial_sync, then only run if claims are deleted
+        with progress(Event.CLAIM_CALC) as p:
+            p.start(len(changes.channels_with_changed_claims))
+            sql = (
+                Claim.update()
+                .where((Claim.c.claim_hash.in_(changes.channels_with_changed_claims)))
+                .values(claims_in_channel_count=claims_in_channel_calculator)
+            )
+            p.ctx.execute(sql)
+
+    if not initial_sync:
+        # covered by Event.CLAIM_META during initial_sync, otherwise loop over every block
+        with progress(Event.CLAIM_TRIE, 100) as p:
+            p.start(chain.db.sync_get_takeover_count(start_height=starting_height, end_height=ending_height))
+            for offset in range(starting_height, ending_height+1):
+                for takeover in chain.db.sync_get_takeovers(start_height=offset, end_height=offset):
+                    update_claims = (
+                        Claim.update()
+                        .where(Claim.c.normalized == normalize_name(takeover['name'].decode()))
+                        .values(
+                            is_controlling=case(
+                                [(Claim.c.claim_hash == takeover['claim_hash'], True)],
+                                else_=False
+                            ),
+                            takeover_height=case(
+                                [(Claim.c.claim_hash == takeover['claim_hash'], takeover['height'])],
+                                else_=None
+                            ),
+                            activation_height=func.min(Claim.c.activation_height, takeover['height']),
+                        )
+                    )
+                    p.ctx.execute(update_claims)
+                    p.step(1)
+
+#    with progress(Event.SUPPORT_META) as p:
+#        p.start(chain.db.sync_get_support_metadata_count(start_height=starting_height, end_height=ending_height))
+#        done, step_size = 0, 500
+#        for offset in range(starting_height, ending_height+1, step_size):
+#            supports = chain.db.sync_get_support_metadata(
+#                start_height=offset, end_height=min(offset+step_size, ending_height)
+#            )
+#            if supports:
+#                p.ctx.execute(
+#                    Support.update().where(Support.c.txo_hash == bindparam('txo_hash_pk')),
+#                    supports
+#                )
+#                done += len(supports)
+#                p.step(done)
+
+    with progress(Event.CHANNEL_SIGN) as p:
+        p.start(get_updated_channel_key_count(p.ctx, starting_height, ending_height))
+        done, step_size = 0, 500
+        for offset in range(starting_height, ending_height+1, step_size):
+            channels = get_updated_channel_keys(p.ctx, offset, min(offset+step_size, ending_height))
+            for channel in channels:
+
+                claim_updates = []
+                for claim in get_signables_for_channel(p.ctx, Claim, Claim.c.claim_hash, channel):
+                    claim_updates.append(
+                        signature_validation({'pk': claim['claim_hash']}, claim, channel['public_key'])
+                    )
+                if claim_updates:
+                    p.ctx.execute(
+                        Claim.update().where(Claim.c.claim_hash == bindparam('pk')), claim_updates
+                    )
+
+                support_updates = []
+                for support in get_signables_for_channel(p.ctx, Support, Support.c.txo_hash, channel):
+                    support_updates.append(
+                        signature_validation({'pk': support['txo_hash']}, support, channel['public_key'])
+                    )
+                if support_updates:
+                    p.ctx.execute(
+                        Support.update().where(Support.c.txo_hash == bindparam('pk')), support_updates
+                    )
+
+                p.step(len(channels))
+
+    with progress(Event.CLAIM_SIGN) as p:
+        p.start(get_unvalidated_signable_count(p.ctx, Claim, starting_height, ending_height))
+        done, step_size = 0, 500
+        for offset in range(starting_height, ending_height+1, step_size):
+            claims = get_unvalidated_signables(
+                p.ctx, Claim, offset, min(offset+step_size, ending_height), Claim.c.claim_hash)
+            claim_updates = []
+            for claim in claims:
+                claim_updates.append(
+                    signature_validation({'pk': claim['claim_hash']}, claim, claim['public_key'])
+                )
+            if claim_updates:
+                p.ctx.execute(
+                    Claim.update().where(Claim.c.claim_hash == bindparam('pk')), claim_updates
+                )
             p.step(done)
 
-    with context("effective amount update") as ctx:
+    with progress(Event.SUPPORT_SIGN) as p:
-        support = TXO.alias('support')
+        p.start(get_unvalidated_signable_count(p.ctx, Support, starting_height, ending_height))
-        effective_amount_update = (
+        done, step_size = 0, 500
-            Claim.update()
+        for offset in range(starting_height, ending_height+1, step_size):
-            .where(Claim.c.activation_height <= heights[-1])
+            supports = get_unvalidated_signables(
-            .values(
+                p.ctx, Support, offset, min(offset+step_size, ending_height), Support.c.txo_hash)
-                effective_amount=(
+            support_updates = []
-                    select(func.coalesce(func.sum(support.c.amount), 0) + Claim.c.amount)
+            for support in supports:
-                    .select_from(support).where(
+                support_updates.append(
-                        (support.c.claim_hash == Claim.c.claim_hash) &
+                    signature_validation({'pk': support['txo_hash']}, support, support['public_key'])
-                        (support.c.txo_type == TXO_TYPES['support']) &
-                        (support.c.txo_hash.notin_(select(TXI.c.txo_hash)))
-                    ).scalar_subquery()
                 )
+            if support_updates:
+                p.ctx.execute(
+                    Support.update().where(Support.c.txo_hash == bindparam('pk')), support_updates
                 )
-        )
+            p.step(done)
-        ctx.execute(effective_amount_update)
 
 
 def process_block_and_tx_filters():
@@ -159,8 +457,14 @@ class BlockchainSync(Sync):
         self.advance_loop_event = asyncio.Event()
 
     async def start(self):
-        # initial advance as task so that it can be stop()'ed before finishing
+        for _ in range(2):
-        self.advance_loop_task = asyncio.create_task(self.advance())
+            # initial sync can take a long time, new blocks may have been
+            # created while sync was running; therefore, run a second sync
+            # after first one finishes to possibly sync those new blocks.
+            # run advance as a task so that it can be stop()'ed if necessary.
+            self.advance_loop_task = asyncio.create_task(
+                self.advance(await self.db.needs_initial_sync())
+            )
             await self.advance_loop_task
         self.chain.subscribe()
         self.advance_loop_task = asyncio.create_task(self.advance_loop())
@@ -180,32 +484,33 @@ class BlockchainSync(Sync):
             self.db.executor, f, *args
         )
 
-    async def load_blocks(self):
+    async def load_blocks(self, initial_sync: bool) -> Optional[Tuple[int, int]]:
         tasks = []
-        starting_height = None
+        starting_height, ending_height = None, await self.chain.db.get_best_height()
-        tx_count = block_count = ending_height = 0
+        tx_count = block_count = 0
-        for file in await self.chain.db.get_block_files():
+        for chain_file in await self.chain.db.get_block_files():
             # block files may be read and saved out of order, need to check
             # each file individually to see if we have missing blocks
-            current_height = await self.db.get_best_height_for_file(file['file_number'])
+            our_best_file_height = await self.db.get_best_block_height_for_file(chain_file['file_number'])
-            if current_height == file['max_height']:
+            if our_best_file_height == chain_file['best_height']:
                 # we have all blocks in this file, skipping
                 continue
-            if -1 < current_height < file['max_height']:
+            if -1 < our_best_file_height < chain_file['best_height']:
                 # we have some blocks, need to figure out what we're missing
                 # call get_block_files again limited to this file and current_height
                 file = (await self.chain.db.get_block_files(
-                    file_number=file['file_number'], above_height=current_height
+                    file_number=chain_file['file_number'], start_height=our_best_file_height+1
                 ))[0]
-            tx_count += file['txs']
+            tx_count += chain_file['txs']
-            block_count += file['blocks']
+            block_count += chain_file['blocks']
             starting_height = min(
-                current_height if starting_height is None else starting_height, current_height
+                our_best_file_height+1 if starting_height is None else starting_height, our_best_file_height+1
             )
-            ending_height = max(ending_height, file['max_height'])
+            tasks.append(self.run(
-            tasks.append(self.run(process_block_file, file['file_number'], current_height))
+                process_block_file, chain_file['file_number'], our_best_file_height+1, initial_sync
+            ))
         if not tasks:
-            return None
+            return
         await self._on_progress_controller.add({
             "event": "blockchain.sync.start",
             "data": {
@@ -223,7 +528,7 @@ class BlockchainSync(Sync):
             self.db.stop_event.set()
             for future in pending:
                 future.cancel()
-            return None
+            return
         best_height_processed = max(f.result() for f in done)
         # putting event in queue instead of add to progress_controller because
         # we want this message to appear after all of the queued messages from workers
@@ -234,16 +539,18 @@ class BlockchainSync(Sync):
         ))
         return starting_height, best_height_processed
 
-    async def advance(self):
+    async def process(self, starting_height: int, ending_height: int, initial_sync: bool):
-        heights = await self.load_blocks()
+        await self.db.process_inputs_outputs()
-        if heights and heights[0] < heights[-1]:
+        await self.run(process_metadata, starting_height, ending_height, initial_sync)
-            await self.db.process_inputs(heights)
-            await self.db.process_claims(heights)
-            await self.db.process_supports(heights)
-            await self.run(process_claimtrie, heights)
         if self.conf.spv_address_filters:
-                await self.run(process_block_and_tx_filters, heights)
+            await self.run(process_block_and_tx_filters)
-            await self._on_block_controller.add(BlockEvent(heights[1]))
+
+    async def advance(self, initial_sync=False):
+        heights = await self.load_blocks(initial_sync)
+        if heights:
+            starting_height, ending_height = heights
+            await self.process(starting_height, ending_height, initial_sync)
+            await self._on_block_controller.add(BlockEvent(ending_height))
 
     async def advance_loop(self):
         while True:

lbry/blockchain/testing.py

@@ -1,79 +0,0 @@
-import os
-import sqlite3
-import asyncio
-from typing import List
-
-from .block import Block
-from .lbrycrd import Lbrycrd
-
-
-def sync_create_lbrycrd_databases(dir_path: str):
-    for file_name, ddl in DDL.items():
-        connection = sqlite3.connect(os.path.join(dir_path, file_name))
-        connection.executescript(ddl)
-        connection.close()
-
-
-async def create_lbrycrd_databases(dir_path: str):
-    await asyncio.get_running_loop().run_in_executor(
-        None, sync_create_lbrycrd_databases, dir_path
-    )
-
-
-async def add_block_to_lbrycrd(chain: Lbrycrd, block: Block, takeovers: List[str]):
-    for tx in block.txs:
-        for txo in tx.outputs:
-            if txo.is_claim:
-                await insert_claim(chain, block, tx, txo)
-                if txo.id in takeovers:
-                    await insert_takeover(chain, block, tx, txo)
-
-
-async def insert_claim(chain, block, tx, txo):
-    await chain.db.execute(
-        """
-        INSERT OR REPLACE INTO claim (
-            claimID, name, nodeName, txID, txN, originalHeight, updateHeight, validHeight,
-            activationHeight, expirationHeight, amount
-        ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, 10000, ?)
-        """, (
-            txo.claim_hash, txo.claim_name, txo.claim_name, tx.hash, txo.position,
-            block.height, block.height, block.height, block.height, txo.amount
-        )
-    )
-
-
-async def insert_takeover(chain, block, tx, txo):
-    await chain.db.execute(
-        "INSERT INTO takeover (name) VALUES (?)",
-        (txo.claim_name,)
-    )
-
-
-# These are extracted by opening each of lbrycrd latest sqlite databases and
-# running '.schema' command.
-DDL = {
-    'claims.sqlite': """
-    CREATE TABLE node (name BLOB NOT NULL PRIMARY KEY, parent BLOB REFERENCES node(name) DEFERRABLE INITIALLY DEFERRED, hash BLOB);
-    CREATE TABLE claim (claimID BLOB NOT NULL PRIMARY KEY, name BLOB NOT NULL, nodeName BLOB NOT NULL REFERENCES node(name) DEFERRABLE INITIALLY DEFERRED, txID BLOB NOT NULL, txN INTEGER NOT NULL, originalHeight INTEGER NOT NULL, updateHeight INTEGER NOT NULL, validHeight INTEGER NOT NULL, activationHeight INTEGER NOT NULL, expirationHeight INTEGER NOT NULL, amount INTEGER NOT NULL);
-    CREATE TABLE support (txID BLOB NOT NULL, txN INTEGER NOT NULL, supportedClaimID BLOB NOT NULL, name BLOB NOT NULL, nodeName BLOB NOT NULL, blockHeight INTEGER NOT NULL, validHeight INTEGER NOT NULL, activationHeight INTEGER NOT NULL, expirationHeight INTEGER NOT NULL, amount INTEGER NOT NULL, PRIMARY KEY(txID, txN));
-    CREATE TABLE takeover (name BLOB NOT NULL, height INTEGER NOT NULL, claimID BLOB, PRIMARY KEY(name, height DESC));
-    CREATE INDEX node_hash_len_name ON node (hash, LENGTH(name) DESC);
-    CREATE INDEX node_parent ON node (parent);
-    CREATE INDEX takeover_height ON takeover (height);
-    CREATE INDEX claim_activationHeight ON claim (activationHeight);
-    CREATE INDEX claim_expirationHeight ON claim (expirationHeight);
-    CREATE INDEX claim_nodeName ON claim (nodeName);
-    CREATE INDEX support_supportedClaimID ON support (supportedClaimID);
-    CREATE INDEX support_activationHeight ON support (activationHeight);
-    CREATE INDEX support_expirationHeight ON support (expirationHeight);
-    CREATE INDEX support_nodeName ON support (nodeName);
-    """,
-    'block_index.sqlite': """
-    CREATE TABLE block_file (file INTEGER NOT NULL PRIMARY KEY, blocks INTEGER NOT NULL, size INTEGER NOT NULL, undoSize INTEGER NOT NULL, heightFirst INTEGER NOT NULL, heightLast INTEGER NOT NULL, timeFirst INTEGER NOT NULL, timeLast INTEGER NOT NULL );
-    CREATE TABLE block_info (hash BLOB NOT NULL PRIMARY KEY, prevHash BLOB NOT NULL, height INTEGER NOT NULL, file INTEGER NOT NULL, dataPos INTEGER NOT NULL, undoPos INTEGER NOT NULL, txCount INTEGER NOT NULL, status INTEGER NOT NULL, version INTEGER NOT NULL, rootTxHash BLOB NOT NULL, rootTrieHash BLOB NOT NULL, time INTEGER NOT NULL, bits INTEGER NOT NULL, nonce INTEGER NOT NULL );
-    CREATE TABLE tx_to_block (txID BLOB NOT NULL PRIMARY KEY, file INTEGER NOT NULL, blockPos INTEGER NOT NULL, txPos INTEGER NOT NULL);
-    CREATE TABLE flag (name TEXT NOT NULL PRIMARY KEY, value INTEGER NOT NULL);
-    CREATE INDEX block_info_height ON block_info (height);
-    """,
-}

lbry/blockchain/transaction.py

@@ -2,8 +2,9 @@ import struct
 import hashlib
 import logging
 import asyncio
+from datetime import date
 from binascii import hexlify, unhexlify
-from typing import List, Iterable, Optional
+from typing import List, Iterable, Optional, Union
 
 import ecdsa
 from cryptography.hazmat.backends import default_backend
@@ -17,7 +18,9 @@ from lbry.crypto.hash import hash160, sha256
 from lbry.crypto.base58 import Base58
 from lbry.schema.url import normalize_name
 from lbry.schema.claim import Claim
+from lbry.schema.base import Signable
 from lbry.schema.purchase import Purchase
+from lbry.schema.support import Support
 
 from .script import InputScript, OutputScript
 from .bcd_data_stream import BCDataStream
@@ -100,7 +103,7 @@ class InputOutput:
 
     __slots__ = 'tx_ref', 'position'
 
-    def __init__(self, tx_ref: TXRef = None, position: int = None) -> None:
+    def __init__(self, tx_ref: Union[TXRef, TXRefImmutable] = None, position: int = None) -> None:
         self.tx_ref = tx_ref
         self.position = position
 
@@ -196,7 +199,7 @@ class Output(InputOutput):
         'amount', 'script', 'is_internal_transfer', 'is_spent', 'is_my_output', 'is_my_input',
         'channel', 'private_key', 'meta', 'sent_supports', 'sent_tips', 'received_tips',
         'purchase', 'purchased_claim', 'purchase_receipt',
-        'reposted_claim', 'claims',
+        'reposted_claim', 'claims', '_signable'
     )
 
     def __init__(self, amount: int, script: OutputScript,
@@ -224,6 +227,7 @@ class Output(InputOutput):
         self.purchase_receipt: 'Output' = None  # txo representing purchase receipt for this claim
         self.reposted_claim: 'Output' = None  # txo representing claim being reposted
         self.claims: List['Output'] = None  # resolved claims for collection
+        self._signable: Optional[Signable] = None
         self.meta = {}
 
     def update_annotations(self, annotated: 'Output'):
@@ -299,6 +303,10 @@ class Output(InputOutput):
     def is_support(self) -> bool:
         return self.script.is_support_claim
 
+    @property
+    def is_support_data(self) -> bool:
+        return self.script.is_support_claim_data
+
     @property
     def claim_hash(self) -> bytes:
         if self.script.is_claim_name:
@@ -334,9 +342,33 @@ class Output(InputOutput):
     def can_decode_claim(self):
         try:
             return self.claim
-        except:  # pylint: disable=bare-except
+        except Exception:
             return False
 
+    @property
+    def support(self) -> Support:
+        if self.is_support_data:
+            if not isinstance(self.script.values['support'], Support):
+                self.script.values['support'] = Support.from_bytes(self.script.values['support'])
+            return self.script.values['support']
+        raise ValueError('Only supports with data can be represented as Supports.')
+
+    @property
+    def can_decode_support(self):
+        try:
+            return self.support
+        except Exception:
+            return False
+
+    @property
+    def signable(self) -> Signable:
+        if self._signable is None:
+            if self.is_claim:
+                self._signable = self.claim
+            elif self.is_support_data:
+                self._signable = self.support
+        return self._signable
+
     @property
     def permanent_url(self) -> str:
         if self.script.is_claim_involved:
@@ -348,22 +380,22 @@ class Output(InputOutput):
         return self.private_key is not None
 
     def get_signature_digest(self, ledger):
-        if self.claim.unsigned_payload:
+        if self.signable.unsigned_payload:
             pieces = [
                 Base58.decode(self.get_address(ledger)),
-                self.claim.unsigned_payload,
+                self.signable.unsigned_payload,
-                self.claim.signing_channel_hash[::-1]
+                self.signable.signing_channel_hash[::-1]
             ]
         else:
             pieces = [
                 self.tx_ref.tx.inputs[0].txo_ref.hash,
-                self.claim.signing_channel_hash,
+                self.signable.signing_channel_hash,
-                self.claim.to_message_bytes()
+                self.signable.to_message_bytes()
             ]
         return sha256(b''.join(pieces))
 
     def get_encoded_signature(self):
-        signature = hexlify(self.claim.signature)
+        signature = hexlify(self.signable.signature)
         r = int(signature[:int(len(signature)/2)], 16)
         s = int(signature[int(len(signature)/2):], 16)
         return ecdsa.util.sigencode_der(r, s, len(signature)*4)
@@ -390,13 +422,13 @@ class Output(InputOutput):
 
     def sign(self, channel: 'Output', first_input_id=None):
         self.channel = channel
-        self.claim.signing_channel_hash = channel.claim_hash
+        self.signable.signing_channel_hash = channel.claim_hash
         digest = sha256(b''.join([
             first_input_id or self.tx_ref.tx.inputs[0].txo_ref.hash,
-            self.claim.signing_channel_hash,
+            self.signable.signing_channel_hash,
-            self.claim.to_message_bytes()
+            self.signable.to_message_bytes()
         ]))
-        self.claim.signature = channel.private_key.sign_digest_deterministic(digest, hashfunc=hashlib.sha256)
+        self.signable.signature = channel.private_key.sign_digest_deterministic(digest, hashfunc=hashlib.sha256)
         self.script.generate()
 
     def clear_signature(self):
@@ -443,6 +475,14 @@ class Output(InputOutput):
         )
         return cls(amount, script)
 
+    @classmethod
+    def pay_support_data_pubkey_hash(
+            cls, amount: int, claim_name: str, claim_id: str, support: Support, pubkey_hash: bytes) -> 'Output':
+        script = OutputScript.pay_support_data_pubkey_hash(
+            claim_name.encode(), unhexlify(claim_id)[::-1], support, pubkey_hash
+        )
+        return cls(amount, script)
+
     @classmethod
     def add_purchase_data(cls, purchase: Purchase) -> 'Output':
         script = OutputScript.return_data(purchase)
@@ -501,7 +541,7 @@ class Output(InputOutput):
 class Transaction:
 
     def __init__(self, raw=None, version: int = 1, locktime: int = 0, is_verified: bool = False,
-                 height: int = -2, position: int = -1, julian_day: int = None) -> None:
+                 height: int = -2, position: int = -1, timestamp: int = 0) -> None:
         self._raw = raw
         self._raw_sans_segwit = None
         self.is_segwit_flag = 0
@@ -519,7 +559,8 @@ class Transaction:
         # +num: confirmed in a specific block (height)
         self.height = height
         self.position = position
-        self._day = julian_day
+        self.timestamp = timestamp
+        self._day: int = 0
         if raw is not None:
             self.deserialize()
 
@@ -546,9 +587,10 @@ class Transaction:
     def hash(self):
         return self.ref.hash
 
-    def get_ordinal_day(self, ledger):
+    @property
-        if self._day is None and self.height > 0:
+    def day(self):
-            self._day = ledger.headers.estimated_date(self.height).toordinal()
+        if self._day is None and self.timestamp > 0:
+            self._day = date.fromtimestamp(self.timestamp).toordinal()
         return self._day
 
     @property

lbry/db/database.py

@@ -109,6 +109,12 @@ class Database:
         ledger = RegTestLedger(conf)
         return cls(ledger)
 
+    @classmethod
+    def temp_sqlite(cls):
+        from lbry import Config, Ledger  # pylint: disable=import-outside-toplevel
+        conf = Config.with_same_dir(tempfile.mkdtemp())
+        return cls(Ledger(conf))
+
     @classmethod
     def in_memory(cls):
         from lbry import Config, Ledger  # pylint: disable=import-outside-toplevel
@@ -173,20 +179,20 @@ class Database:
     async def execute_fetchall(self, sql):
         return await self.run_in_executor(q.execute_fetchall, sql)
 
-    async def process_inputs(self, heights):
+    async def process_inputs_outputs(self):
-        return await self.run_in_executor(sync.process_inputs, heights)
+        return await self.run_in_executor(sync.process_inputs_outputs)
 
-    async def process_claims(self, heights):
+    async def process_all_things_after_sync(self):
-        return await self.run_in_executor(sync.process_claims, heights)
+        return await self.run_in_executor(sync.process_all_things_after_sync)
 
-    async def process_supports(self, heights):
+    async def needs_initial_sync(self) -> bool:
-        return await self.run_in_executor(sync.process_supports, heights)
+        return (await self.get_best_tx_height()) == -1
 
-    async def get_best_height(self) -> int:
+    async def get_best_tx_height(self) -> int:
-        return await self.run_in_executor(q.get_best_height)
+        return await self.run_in_executor(q.get_best_tx_height)
 
-    async def get_best_height_for_file(self, file_number) -> int:
+    async def get_best_block_height_for_file(self, file_number) -> int:
-        return await self.run_in_executor(q.get_best_height_for_file, file_number)
+        return await self.run_in_executor(q.get_best_block_height_for_file, file_number)
 
     async def get_blocks_without_filters(self):
         return await self.run_in_executor(q.get_blocks_without_filters)
@@ -203,6 +209,9 @@ class Database:
     async def get_transaction_address_filters(self, block_hash):
         return await self.run_in_executor(q.get_transaction_address_filters, block_hash)
 
+    async def insert_block(self, block):
+        return await self.run_in_executor(q.insert_block, block)
+
     async def insert_transaction(self, block_hash, tx):
         return await self.run_in_executor(q.insert_transaction, block_hash, tx)
 
@@ -263,7 +272,9 @@ class Database:
         return await self.fetch_result(q.get_purchases, **constraints)
 
     async def search_claims(self, **constraints) -> Result[Output]:
-        claims, total, censor = await self.run_in_executor(q.search, **constraints)
+        #assert set(constraints).issubset(SEARCH_PARAMS), \
+        #    f"Search query contains invalid arguments: {set(constraints).difference(SEARCH_PARAMS)}"
+        claims, total, censor = await self.run_in_executor(q.search_claims, **constraints)
         return Result(claims, total, censor)
 
     async def get_txo_sum(self, **constraints) -> int:
@@ -285,7 +296,9 @@ class Database:
         return await self.get_utxos(txo_type=TXO_TYPES['support'], **constraints)
 
     async def get_claims(self, **constraints) -> Result[Output]:
-        txos = await self.fetch_result(q.get_claims, **constraints)
+        if 'txo_type' not in constraints:
+            constraints['txo_type'] = CLAIM_TYPES
+        txos = await self.fetch_result(q.get_txos, **constraints)
         if 'wallet' in constraints:
             await add_channel_keys_to_txo_results(constraints['wallet'].accounts, txos)
         return txos

lbry/db/queries.py

@@ -21,13 +21,13 @@ from .utils import query, in_account_ids
 from .query_context import context
 from .constants import (
     TXO_TYPES, CLAIM_TYPE_CODES, STREAM_TYPES, ATTRIBUTE_ARRAY_MAX_LENGTH,
-    SEARCH_PARAMS, SEARCH_INTEGER_PARAMS, SEARCH_ORDER_FIELDS
+    SEARCH_INTEGER_PARAMS, SEARCH_ORDER_FIELDS
 )
 from .tables import (
     metadata,
     SCHEMA_VERSION, Version,
     Block, TX, TXO, TXI, txi_join_account, txo_join_account,
-    Claim, Claimtrie,
+    Claim, Support, Takeover,
     PubkeyAddress, AccountAddress
 )
 
@@ -58,6 +58,10 @@ def check_version_and_create_tables():
             ctx.execute(text("ALTER TABLE block DISABLE TRIGGER ALL;"))
 
 
+def insert_block(block):
+    context().get_bulk_loader().add_block(block).save()
+
+
 def insert_transaction(block_hash, tx):
     context().get_bulk_loader().add_transaction(block_hash, tx).save()
 
@@ -70,13 +74,13 @@ def execute_fetchall(sql):
     return context().fetchall(text(sql))
 
 
-def get_best_height():
+def get_best_tx_height():
     return context().fetchone(
-        select(func.coalesce(func.max(TX.c.height), -1).label('total')).select_from(TX)
+        select(func.coalesce(func.max(TX.c.height), -1).label('height')).select_from(TX)
-    )['total']
+    )['height']
 
 
-def get_best_height_for_file(file_number):
+def get_best_block_height_for_file(file_number):
     return context().fetchone(
         select(func.coalesce(func.max(Block.c.height), -1).label('height'))
         .select_from(Block)
@@ -154,6 +158,33 @@ def release_all_outputs(account_id):
     )
 
 
+def get_takeover_names(above_height, limit_height, offset, limit):
+    return context().fetchall(
+        select(
+            Takeover.c.normalized.label('_name'),
+            func.max(Takeover.c.height).label('_height'),
+
+        )
+        .where((Takeover.c.height < above_height) & (Takeover.c.height >= limit_height))
+        .group_by(Takeover.c.normalized)
+        .limit(limit).offset(offset)
+    )
+
+
+def get_takeovers(above_height, limit_height, offset, limit):
+    return context().fetchall(
+        select(
+            Takeover.c.normalized,
+            Takeover.c.claim_hash,
+            Takeover.c.height,
+        )
+        .select_from(Takeover)
+        .where((Takeover.c.height < above_height) & (Takeover.c.height >= limit_height))
+        .group_by(Takeover.c.normalized)
+        .limit(limit).offset(offset)
+    )
+
+
 def select_transactions(cols, account_ids=None, **constraints):
     s: Select = select(*cols).select_from(TX)
     if not {'tx_hash', 'tx_hash__in'}.intersection(constraints):
@@ -259,11 +290,22 @@ def get_transaction_count(**constraints):
     return count[0]['total'] or 0
 
 
+BASE_SELECT_TXO_COLUMNS = [
+    TX.c.tx_hash, TX.c.raw, TX.c.height, TX.c.position.label('tx_position'),
+    TX.c.is_verified, TX.c.timestamp,
+    TXO.c.txo_type, TXO.c.position.label('txo_position'), TXO.c.amount, TXO.c.is_spent,
+    TXO.c.script_offset, TXO.c.script_length,
+]
+
+
 def select_txos(
-        cols, account_ids=None, is_my_input=None, is_my_output=True,
+        cols=None, account_ids=None, is_my_input=None,
-        is_my_input_or_output=None, exclude_internal_transfers=False,
+        is_my_output=True, is_my_input_or_output=None, exclude_internal_transfers=False,
-        include_is_spent=False, include_is_my_input=False,
+        include_is_my_input=False, claim_id_not_in_claim_table=None,
-        is_spent=None, spent=None, is_claim_list=False, **constraints):
+        txo_id_not_in_claim_table=None, txo_id_not_in_support_table=None,
+        **constraints) -> Select:
+    if cols is None:
+        cols = BASE_SELECT_TXO_COLUMNS
     s: Select = select(*cols)
     if account_ids:
         my_addresses = select(AccountAddress.c.address).where(in_account_ids(account_ids))
@@ -301,22 +343,61 @@ def select_txos(
                 (TXI.c.address.notin_(my_addresses))
             )
     joins = TXO.join(TX)
-    tables = [TXO, TX]
+    if constraints.get('is_spent', None) is False:
-    if spent is None:
+        s = s.where((TXO.c.is_spent == False) & (TXO.c.is_reserved == False))
-        spent = TXI.alias('spent')
-    if is_spent:
-        s = s.where(spent.c.txo_hash != None)
-    elif is_spent is False:
-        s = s.where((spent.c.txo_hash == None) & (TXO.c.is_reserved == False))
-    if include_is_spent or is_spent is not None:
-        joins = joins.join(spent, spent.c.txo_hash == TXO.c.txo_hash, isouter=True)
     if include_is_my_input:
         joins = joins.join(TXI, (TXI.c.position == 0) & (TXI.c.tx_hash == TXO.c.tx_hash), isouter=True)
-    if is_claim_list:
+    if claim_id_not_in_claim_table:
-        tables.append(Claim)
+        s = s.where(TXO.c.claim_hash.notin_(select(Claim.c.claim_hash)))
-        joins = joins.join(Claim)
+    elif txo_id_not_in_claim_table:
-    s = s.select_from(joins)
+        s = s.where(TXO.c.txo_hash.notin_(select(Claim.c.txo_hash)))
-    return context().fetchall(query(tables, s, **constraints))
+    elif txo_id_not_in_support_table:
+        s = s.where(TXO.c.txo_hash.notin_(select(Support.c.txo_hash)))
+    return query([TXO, TX], s.select_from(joins), **constraints)
+
+
+META_ATTRS = (
+    'activation_height', 'takeover_height', 'support_amount', 'creation_height',
+    'short_url', 'canonical_url', 'claims_in_channel_count', 'supports_in_claim_count',
+)
+
+
+def rows_to_txos(rows: List[dict], include_tx=True) -> List[Output]:
+    txos = []
+    tx_cache = {}
+    for row in rows:
+        if include_tx:
+            if row['tx_hash'] not in tx_cache:
+                tx_cache[row['tx_hash']] = Transaction(
+                    row['raw'], height=row['height'], position=row['tx_position'],
+                    is_verified=bool(row['is_verified']),
+                )
+            txo = tx_cache[row['tx_hash']].outputs[row['txo_position']]
+        else:
+            source = row['raw'][row['script_offset']:row['script_offset']+row['script_length']]
+            txo = Output(
+                amount=row['amount'],
+                script=OutputScript(source),
+                tx_ref=TXRefImmutable.from_hash(row['tx_hash'], row['height']),
+                position=row['txo_position'],
+            )
+        txo.is_spent = bool(row['is_spent'])
+        if 'is_my_input' in row:
+            txo.is_my_input = bool(row['is_my_input'])
+        if 'is_my_output' in row:
+            txo.is_my_output = bool(row['is_my_output'])
+        if 'is_my_input' in row and 'is_my_output' in row:
+            if txo.is_my_input and txo.is_my_output and row['txo_type'] == TXO_TYPES['other']:
+                txo.is_internal_transfer = True
+            else:
+                txo.is_internal_transfer = False
+        if 'received_tips' in row:
+            txo.received_tips = row['received_tips']
+        for attr in META_ATTRS:
+            if attr in row:
+                txo.meta[attr] = row[attr]
+        txos.append(txo)
+    return txos
 
 
 def get_txos(no_tx=False, include_total=False, **constraints) -> Tuple[List[Output], Optional[int]]:
@@ -326,12 +407,8 @@ def get_txos(no_tx=False, include_total=False, **constraints) -> Tuple[List[Outp
     include_is_my_output = constraints.pop('include_is_my_output', False)
     include_received_tips = constraints.pop('include_received_tips', False)
 
-    select_columns = [
+    select_columns = BASE_SELECT_TXO_COLUMNS + [
-        TX.c.tx_hash, TX.c.raw, TX.c.height, TX.c.position.label('tx_position'), TX.c.is_verified,
-        TXO.c.txo_type, TXO.c.position.label('txo_position'), TXO.c.amount,
-        TXO.c.script_offset, TXO.c.script_length,
         TXO.c.claim_name
-
     ]
 
     my_accounts = None
@@ -376,40 +453,8 @@ def get_txos(no_tx=False, include_total=False, **constraints) -> Tuple[List[Outp
     elif constraints.get('order_by', None) == 'none':
         del constraints['order_by']
 
-    rows = select_txos(select_columns, spent=spent, **constraints)
+    rows = context().fetchall(select_txos(select_columns, spent=spent, **constraints))
-
+    txos = rows_to_txos(rows, not no_tx)
-    txs = {}
-    txos = []
-    for row in rows:
-        if no_tx:
-            source = row['raw'][row['script_offset']:row['script_offset']+row['script_length']]
-            txo = Output(
-                amount=row['amount'],
-                script=OutputScript(source),
-                tx_ref=TXRefImmutable.from_hash(row['tx_hash'], row['height']),
-                position=row['txo_position']
-            )
-        else:
-            if row['tx_hash'] not in txs:
-                txs[row['tx_hash']] = Transaction(
-                    row['raw'], height=row['height'], position=row['tx_position'],
-                    is_verified=bool(row['is_verified'])
-                )
-            txo = txs[row['tx_hash']].outputs[row['txo_position']]
-        if include_is_spent:
-            txo.is_spent = bool(row['is_spent'])
-        if include_is_my_input:
-            txo.is_my_input = bool(row['is_my_input'])
-        if include_is_my_output:
-            txo.is_my_output = bool(row['is_my_output'])
-        if include_is_my_input and include_is_my_output:
-            if txo.is_my_input and txo.is_my_output and row['txo_type'] == TXO_TYPES['other']:
-                txo.is_internal_transfer = True
-            else:
-                txo.is_internal_transfer = False
-        if include_received_tips:
-            txo.received_tips = row['received_tips']
-        txos.append(txo)
 
     channel_hashes = set()
     for txo in txos:
@@ -445,13 +490,13 @@ def _clean_txo_constraints_for_aggregation(constraints):
 
 def get_txo_count(**constraints):
     _clean_txo_constraints_for_aggregation(constraints)
-    count = select_txos([func.count().label('total')], **constraints)
+    count = context().fetchall(select_txos([func.count().label('total')], **constraints))
     return count[0]['total'] or 0
 
 
 def get_txo_sum(**constraints):
     _clean_txo_constraints_for_aggregation(constraints)
-    result = select_txos([func.sum(TXO.c.amount).label('total')], **constraints)
+    result = context().fetchall(select_txos([func.sum(TXO.c.amount).label('total')], **constraints))
     return result[0]['total'] or 0
 
 
@@ -475,124 +520,33 @@ def get_txo_plot(start_day=None, days_back=0, end_day=None, days_after=None, **c
             constraints['day__lte'] = date.fromisoformat(end_day).toordinal()
         elif days_after is not None:
             constraints['day__lte'] = constraints['day__gte'] + days_after
-    plot = select_txos(
+    plot = context().fetchall(select_txos(
         [TX.c.day, func.sum(TXO.c.amount).label('total')],
         group_by='day', order_by='day', **constraints
-    )
+    ))
     for row in plot:
         row['day'] = date.fromordinal(row['day'])
     return plot
 
 
-def get_purchases(**constraints) -> Tuple[List[Output], Optional[int]]:
+BASE_SELECT_CLAIM_COLUMNS = BASE_SELECT_TXO_COLUMNS + [
-    accounts = constraints.pop('accounts', None)
+    Claim.c.activation_height,
-    assert accounts, "'accounts' argument required to find purchases"
+    Claim.c.takeover_height,
-    if not {'purchased_claim_hash', 'purchased_claim_hash__in'}.intersection(constraints):
+    Claim.c.creation_height,
-        constraints['purchased_claim_hash__is_not_null'] = True
+    Claim.c.is_controlling,
-    constraints['tx_hash__in'] = (
+    Claim.c.channel_hash,
-        select(TXI.c.tx_hash).select_from(txi_join_account).where(in_account_ids(accounts))
+    Claim.c.reposted_claim_hash,
-    )
+    Claim.c.short_url,
-    txs, count = get_transactions(**constraints)
+    Claim.c.canonical_url,
-    return [tx.outputs[0] for tx in txs], count
+    Claim.c.claims_in_channel_count,
+    Claim.c.support_amount,
+    Claim.c.supports_in_claim_count,
+]
 
 
-def select_addresses(cols, **constraints):
+def select_claims(cols: List = None, for_count=False, **constraints) -> Select:
-    return context().fetchall(query(
-        [AccountAddress, PubkeyAddress],
-        select(*cols).select_from(PubkeyAddress.join(AccountAddress)),
-        **constraints
-    ))
-
-
-def get_addresses(cols=None, include_total=False, **constraints) -> Tuple[List[dict], Optional[int]]:
     if cols is None:
-        cols = (
+        cols = BASE_SELECT_CLAIM_COLUMNS
-            PubkeyAddress.c.address,
-            PubkeyAddress.c.used_times,
-            AccountAddress.c.account,
-            AccountAddress.c.chain,
-            AccountAddress.c.pubkey,
-            AccountAddress.c.chain_code,
-            AccountAddress.c.n,
-            AccountAddress.c.depth
-        )
-    return (
-        select_addresses(cols, **constraints),
-        get_address_count(**constraints) if include_total else None
-    )
-
-
-def get_address_count(**constraints):
-    count = select_addresses([func.count().label('total')], **constraints)
-    return count[0]['total'] or 0
-
-
-def get_all_addresses(self):
-    return context().execute(select(PubkeyAddress.c.address))
-
-
-def add_keys(account, chain, pubkeys):
-    c = context()
-    c.execute(
-        c.insert_or_ignore(PubkeyAddress)
-        .values([{'address': k.address} for k in pubkeys])
-    )
-    c.execute(
-        c.insert_or_ignore(AccountAddress)
-        .values([{
-            'account': account.id,
-            'address': k.address,
-            'chain': chain,
-            'pubkey': k.pubkey_bytes,
-            'chain_code': k.chain_code,
-            'n': k.n,
-            'depth': k.depth
-        } for k in pubkeys])
-    )
-
-
-def get_supports_summary(self, **constraints):
-    return get_txos(
-        txo_type=TXO_TYPES['support'],
-        is_spent=False, is_my_output=True,
-        include_is_my_input=True,
-        no_tx=True,
-        **constraints
-    )
-
-
-def search_to_bytes(constraints) -> Union[bytes, Tuple[bytes, Dict]]:
-    return Outputs.to_bytes(*search(**constraints))
-
-
-def resolve_to_bytes(urls) -> Union[bytes, Tuple[bytes, Dict]]:
-    return Outputs.to_bytes(*resolve(urls))
-
-
-def execute_censored(sql, row_offset: int, row_limit: int, censor: Censor) -> List:
-    ctx = context()
-    return ctx.fetchall(sql)
-    # c = ctx.db.cursor()
-    # def row_filter(cursor, row):
-    #     nonlocal row_offset
-    #     #row = row_factory(cursor, row)
-    #     if len(row) > 1 and censor.censor(row):
-    #         return
-    #     if row_offset:
-    #         row_offset -= 1
-    #         return
-    #     return row
-    # c.setrowtrace(row_filter)
-    # i, rows = 0, []
-    # for row in c.execute(sql):
-    #     i += 1
-    #     rows.append(row)
-    #     if i >= row_limit:
-    #         break
-    # return rows
-
-
-def claims_query(cols, for_count=False, **constraints) -> Tuple[str, Dict]:
     if 'order_by' in constraints:
         order_by_parts = constraints['order_by']
         if isinstance(order_by_parts, str):
@@ -624,10 +578,6 @@ def claims_query(cols, for_count=False, **constraints) -> Tuple[str, Dict]:
                 value = Decimal(value)*1000
             constraints[f'{constraint}{postfix}'] = int(value)
 
-    if constraints.pop('is_controlling', False):
-        if {'sequence', 'amount_order'}.isdisjoint(constraints):
-            for_count = False
-            constraints['Claimtrie.claim_hash__is_not_null'] = ''
     if 'sequence' in constraints:
         constraints['order_by'] = 'activation_height ASC'
         constraints['offset'] = int(constraints.pop('sequence')) - 1
@@ -724,74 +674,29 @@ def claims_query(cols, for_count=False, **constraints) -> Tuple[str, Dict]:
         # TODO: fix
         constraints["search"] = constraints.pop("text")
 
-    return query(
+    joins = Claim.join(TXO).join(TX)
-        [Claim, Claimtrie],
+    return query([Claim], select(*cols).select_from(joins), **constraints)
-        select(*cols).select_from(Claim.join(Claimtrie, isouter=True).join(TXO).join(TX)),
-        **constraints
-    )
 
 
-def select_claims(censor: Censor, cols: List, for_count=False, **constraints) -> List:
+def search_claims(**constraints) -> Tuple[List[Output], Optional[int], Optional[Censor]]:
-    if 'channel' in constraints:
+    total = None
-        channel_url = constraints.pop('channel')
+    if not constraints.pop('no_totals', False):
-        match = resolve_url(channel_url)
+        total = search_claim_count(**constraints)
-        if isinstance(match, dict):
+    constraints['offset'] = abs(constraints.get('offset', 0))
-            constraints['channel_hash'] = match['claim_hash']
+    constraints['limit'] = min(abs(constraints.get('limit', 10)), 50)
-        else:
+    ctx = context()
-            return [{'row_count': 0}] if cols == 'count(*) as row_count' else []
+    search_censor = ctx.get_search_censor()
-    row_offset = constraints.pop('offset', 0)
+    rows = context().fetchall(select_claims(**constraints))
-    row_limit = constraints.pop('limit', 20)
+    txos = rows_to_txos(rows, include_tx=False)
-    return execute_censored(
+    return txos, total, search_censor
-        claims_query(cols, for_count, **constraints),
-        row_offset, row_limit, censor
-    )
 
 
-def count_claims(**constraints) -> int:
+def search_claim_count(**constraints) -> int:
     constraints.pop('offset', None)
     constraints.pop('limit', None)
     constraints.pop('order_by', None)
-    count = select_claims(Censor(), [func.count().label('row_count')], for_count=True, **constraints)
+    count = context().fetchall(select_claims([func.count().label('total')], **constraints))
-    return count[0]['row_count']
+    return count[0]['total'] or 0
-
-
-def search_claims(censor: Censor, **constraints) -> List:
-    return select_claims(
-        censor, [
-            Claimtrie.c.claim_hash.label('is_controlling'),
-            Claimtrie.c.last_take_over_height,
-            TX.c.raw,
-            TX.c.height,
-            TX.c.tx_hash,
-            TXO.c.script_offset,
-            TXO.c.script_length,
-            TXO.c.amount,
-            TXO.c.position.label('txo_position'),
-            Claim.c.claim_hash,
-            Claim.c.txo_hash,
-            # Claim.c.claims_in_channel,
-            # Claim.c.reposted,
-            # Claim.c.height,
-            # Claim.c.creation_height,
-            # Claim.c.activation_height,
-            # Claim.c.expiration_height,
-            # Claim.c.effective_amount,
-            # Claim.c.support_amount,
-            # Claim.c.trending_group,
-            # Claim.c.trending_mixed,
-            # Claim.c.trending_local,
-            # Claim.c.trending_global,
-            # Claim.c.short_url,
-            # Claim.c.canonical_url,
-            Claim.c.channel_hash,
-            Claim.c.reposted_claim_hash,
-            # Claim.c.signature_valid
-        ], **constraints
-    )
-
-
-def get_claims(**constraints) -> Tuple[List[Output], Optional[int]]:
-    return get_txos(no_tx=True, is_claim_list=True, **constraints)
 
 
 def _get_referenced_rows(txo_rows: List[dict], censor_channels: List[bytes]):
@@ -815,43 +720,81 @@ def _get_referenced_rows(txo_rows: List[dict], censor_channels: List[bytes]):
     return channel_txos + reposted_txos
 
 
-def old_search(**constraints) -> Tuple[List, List, int, int, Censor]:
+def get_purchases(**constraints) -> Tuple[List[Output], Optional[int]]:
-    assert set(constraints).issubset(SEARCH_PARAMS), \
+    accounts = constraints.pop('accounts', None)
-        f"Search query contains invalid arguments: {set(constraints).difference(SEARCH_PARAMS)}"
+    assert accounts, "'accounts' argument required to find purchases"
-    total = None
+    if not {'purchased_claim_hash', 'purchased_claim_hash__in'}.intersection(constraints):
-    if not constraints.pop('no_totals', False):
+        constraints['purchased_claim_hash__is_not_null'] = True
-        total = count_claims(**constraints)
+    constraints['tx_hash__in'] = (
-    constraints['offset'] = abs(constraints.get('offset', 0))
+        select(TXI.c.tx_hash).select_from(txi_join_account).where(in_account_ids(accounts))
-    constraints['limit'] = min(abs(constraints.get('limit', 10)), 50)
+    )
-    ctx = context()
+    txs, count = get_transactions(**constraints)
-    search_censor = ctx.get_search_censor()
+    return [tx.outputs[0] for tx in txs], count
-    txo_rows = search_claims(search_censor, **constraints)
+
-    extra_txo_rows = _get_referenced_rows(txo_rows, search_censor.censored.keys())
+
-    return txo_rows, extra_txo_rows, constraints['offset'], total, search_censor
+def select_addresses(cols, **constraints):
-
+    return context().fetchall(query(
-
+        [AccountAddress, PubkeyAddress],
-def search(**constraints) -> Tuple[List, int, Censor]:
+        select(*cols).select_from(PubkeyAddress.join(AccountAddress)),
-    assert set(constraints).issubset(SEARCH_PARAMS), \
+        **constraints
-        f"Search query contains invalid arguments: {set(constraints).difference(SEARCH_PARAMS)}"
+    ))
-    total = None
+
-    if not constraints.pop('no_totals', False):
+
-        total = count_claims(**constraints)
+def get_addresses(cols=None, include_total=False, **constraints) -> Tuple[List[dict], Optional[int]]:
-    constraints['offset'] = abs(constraints.get('offset', 0))
+    if cols is None:
-    constraints['limit'] = min(abs(constraints.get('limit', 10)), 50)
+        cols = (
-    ctx = context()
+            PubkeyAddress.c.address,
-    search_censor = ctx.get_search_censor()
+            PubkeyAddress.c.used_times,
-    txos = []
+            AccountAddress.c.account,
-    for row in search_claims(search_censor, **constraints):
+            AccountAddress.c.chain,
-        source = row['raw'][row['script_offset']:row['script_offset']+row['script_length']]
+            AccountAddress.c.pubkey,
-        txo = Output(
+            AccountAddress.c.chain_code,
-            amount=row['amount'],
+            AccountAddress.c.n,
-            script=OutputScript(source),
+            AccountAddress.c.depth
-            tx_ref=TXRefImmutable.from_hash(row['tx_hash'], row['height']),
+        )
-            position=row['txo_position']
+    return (
+        select_addresses(cols, **constraints),
+        get_address_count(**constraints) if include_total else None
+    )
+
+
+def get_address_count(**constraints):
+    count = select_addresses([func.count().label('total')], **constraints)
+    return count[0]['total'] or 0
+
+
+def get_all_addresses(self):
+    return context().execute(select(PubkeyAddress.c.address))
+
+
+def add_keys(account, chain, pubkeys):
+    c = context()
+    c.execute(
+        c.insert_or_ignore(PubkeyAddress)
+        .values([{'address': k.address} for k in pubkeys])
+    )
+    c.execute(
+        c.insert_or_ignore(AccountAddress)
+        .values([{
+            'account': account.id,
+            'address': k.address,
+            'chain': chain,
+            'pubkey': k.pubkey_bytes,
+            'chain_code': k.chain_code,
+            'n': k.n,
+            'depth': k.depth
+        } for k in pubkeys])
+    )
+
+
+def get_supports_summary(self, **constraints):
+    return get_txos(
+        txo_type=TXO_TYPES['support'],
+        is_spent=False, is_my_output=True,
+        include_is_my_input=True,
+        no_tx=True,
+        **constraints
     )
-        txos.append(txo)
-    #extra_txo_rows = _get_referenced_rows(txo_rows, search_censor.censored.keys())
-    return txos, total, search_censor
 
 
 def resolve(urls) -> Tuple[List, List]:

lbry/db/query_context.py

@@ -3,11 +3,11 @@ import time
 import multiprocessing as mp
 from enum import Enum
 from decimal import Decimal
-from typing import Dict, List, Optional
+from typing import Dict, List, Optional, Tuple
 from dataclasses import dataclass
 from contextvars import ContextVar
 
-from sqlalchemy import create_engine, inspect
+from sqlalchemy import create_engine, inspect, bindparam, case
 from sqlalchemy.engine import Engine, Connection
 
 from lbry.event import EventQueuePublisher
@@ -18,7 +18,7 @@ from lbry.schema.result import Censor
 from lbry.schema.mime_types import guess_stream_type
 
 from .utils import pg_insert, chunk
-from .tables import Block, TX, TXO, TXI, Claim, Tag, Claimtrie, Support
+from .tables import Block, TX, TXO, TXI, Claim, Tag, Takeover, Support
 from .constants import TXO_TYPES, STREAM_TYPES
 
 
@@ -163,7 +163,7 @@ class ProgressUnit(Enum):
     TASKS = "tasks", None
     BLOCKS = "blocks", Block
     TXS = "txs", TX
-    TRIE = "trie", Claimtrie
+    TAKEOVERS = "takeovers", Takeover
     TXIS = "txis", TXI
     CLAIMS = "claims", Claim
     SUPPORTS = "supports", Support
@@ -182,17 +182,22 @@ class Event(Enum):
     BLOCK_READ = "blockchain.sync.block.read", ProgressUnit.BLOCKS
     BLOCK_SAVE = "blockchain.sync.block.save", ProgressUnit.TXS
     BLOCK_DONE = "blockchain.sync.block.done", ProgressUnit.TASKS
-    TRIE_DELETE = "blockchain.sync.trie.delete", ProgressUnit.TRIE
+    CLAIM_META = "blockchain.sync.claim.update", ProgressUnit.CLAIMS
-    TRIE_UPDATE = "blockchain.sync.trie.update", ProgressUnit.TRIE
+    CLAIM_CALC = "blockchain.sync.claim.totals", ProgressUnit.CLAIMS
-    TRIE_INSERT = "blockchain.sync.trie.insert", ProgressUnit.TRIE
+    CLAIM_TRIE = "blockchain.sync.claim.trie", ProgressUnit.TAKEOVERS
+    CLAIM_SIGN = "blockchain.sync.claim.signatures", ProgressUnit.CLAIMS
+    SUPPORT_META = "blockchain.sync.support.update", ProgressUnit.SUPPORTS
+    SUPPORT_SIGN = "blockchain.sync.support.signatures", ProgressUnit.SUPPORTS
+    CHANNEL_SIGN = "blockchain.sync.channel.signatures", ProgressUnit.CLAIMS
+    TRENDING_CALC = "blockchain.sync.trending", ProgressUnit.BLOCKS
+    TAKEOVER_INSERT = "blockchain.sync.takeover.insert", ProgressUnit.TAKEOVERS
 
     # full node + light client sync events
     INPUT_UPDATE = "db.sync.input", ProgressUnit.TXIS
     CLAIM_DELETE = "db.sync.claim.delete", ProgressUnit.CLAIMS
-    CLAIM_UPDATE = "db.sync.claim.update", ProgressUnit.CLAIMS
     CLAIM_INSERT = "db.sync.claim.insert", ProgressUnit.CLAIMS
+    CLAIM_UPDATE = "db.sync.claim.update", ProgressUnit.CLAIMS
     SUPPORT_DELETE = "db.sync.support.delete", ProgressUnit.SUPPORTS
-    SUPPORT_UPDATE = "db.sync.support.update", ProgressUnit.SUPPORTS
     SUPPORT_INSERT = "db.sync.support.insert", ProgressUnit.SUPPORTS
 
     def __new__(cls, value, unit: ProgressUnit):
@@ -222,6 +227,10 @@ class ProgressPublisher(EventQueuePublisher):
         return d
 
 
+class BreakProgress(Exception):
+    """Break out of progress when total is 0."""
+
+
 class ProgressContext:
 
     def __init__(self, ctx: QueryContext, event: Event, step_size=1):
@@ -237,10 +246,14 @@ class ProgressContext:
         return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
+        if exc_type == BreakProgress:
+            return True
         self.ctx.message_queue.put(self.get_event_args(self.total))
         return self.ctx.__exit__(exc_type, exc_val, exc_tb)
 
     def start(self, total, extra=None):
+        if not total:
+            raise BreakProgress
         self.total = total
         if extra is not None:
             self.extra = extra
@@ -248,6 +261,8 @@ class ProgressContext:
 
     def step(self, done):
         send_condition = (
+            # no-op
+            done != 0 and self.total != 0 and
             # enforce step rate
             (self.step_size == 1 or done % self.step_size == 0) and
             # deduplicate finish event by not sending a step where done == total
@@ -280,20 +295,24 @@ class BulkLoader:
         self.txs = []
         self.txos = []
         self.txis = []
+        self.supports = []
         self.claims = []
         self.tags = []
+        self.update_claims = []
+        self.delete_tags = []
 
     @staticmethod
-    def block_to_row(block):
+    def block_to_row(block: Block) -> dict:
         return {
             'block_hash': block.block_hash,
             'previous_hash': block.prev_block_hash,
             'file_number': block.file_number,
             'height': 0 if block.is_first_block else block.height,
+            'timestamp': block.timestamp,
         }
 
     @staticmethod
-    def tx_to_row(block_hash: bytes, tx: Transaction):
+    def tx_to_row(block_hash: bytes, tx: Transaction) -> dict:
         row = {
             'tx_hash': tx.hash,
             'block_hash': block_hash,
@@ -301,8 +320,8 @@ class BulkLoader:
             'height': tx.height,
             'position': tx.position,
             'is_verified': tx.is_verified,
-            # TODO: fix
+            'timestamp': tx.timestamp,
-            # 'day': tx.get_ordinal_day(self.db.ledger),
+            'day': tx.day,
             'purchased_claim_hash': None,
         }
         txos = tx.outputs
@@ -312,14 +331,14 @@ class BulkLoader:
         return row
 
     @staticmethod
-    def txi_to_row(tx: Transaction, txi: Input):
+    def txi_to_row(tx: Transaction, txi: Input) -> dict:
         return {
             'tx_hash': tx.hash,
             'txo_hash': txi.txo_ref.hash,
             'position': txi.position,
         }
 
-    def txo_to_row(self, tx: Transaction, txo: Output):
+    def txo_to_row(self, tx: Transaction, txo: Output) -> dict:
         row = {
             'tx_hash': tx.hash,
             'txo_hash': txo.hash,
@@ -345,7 +364,6 @@ class BulkLoader:
                     row['channel_hash'] = claim.signing_channel_hash
             else:
                 row['txo_type'] = TXO_TYPES['stream']
-            #self.add_claim(txo)
         elif txo.is_support:
             row['txo_type'] = TXO_TYPES['support']
         elif txo.purchase is not None:
@@ -367,28 +385,13 @@ class BulkLoader:
                 pass
         return row
 
-    def add_block(self, block):
+    def claim_to_rows(self, txo: Output) -> Tuple[dict, List]:
-        self.blocks.append(self.block_to_row(block))
-        for tx in block.txs:
-            self.add_transaction(block.block_hash, tx)
-        return self
-
-    def add_transaction(self, block_hash: bytes, tx: Transaction):
-        self.txs.append(self.tx_to_row(block_hash, tx))
-        for txi in tx.inputs:
-            if txi.coinbase is None:
-                self.txis.append(self.txi_to_row(tx, txi))
-        for txo in tx.outputs:
-            self.txos.append(self.txo_to_row(tx, txo))
-        return self
-
-    def add_claim(self, txo):
         try:
             assert txo.claim_name
             assert txo.normalized_name
         except Exception:
             #self.logger.exception(f"Could not decode claim name for {tx.id}:{txo.position}.")
-            return
+            return {}, []
         tx = txo.tx_ref.tx
         claim_hash = txo.claim_hash
         claim_record = {
@@ -400,10 +403,8 @@ class BulkLoader:
             'txo_hash': txo.ref.hash,
             'tx_position': tx.position,
             'amount': txo.amount,
-            'timestamp': 0, # TODO: fix
-            'creation_timestamp': 0, # TODO: fix
             'height': tx.height,
-            'creation_height': tx.height,
+            'timestamp': tx.timestamp,
             'release_time': None,
             'title': None,
             'author': None,
@@ -418,16 +419,19 @@ class BulkLoader:
             # reposts
             'reposted_claim_hash': None,
             # claims which are channels
-            'public_key_bytes': None,
+            'public_key': None,
             'public_key_hash': None,
+            # signed claims
+            'channel_hash': None,
+            'signature': None,
+            'signature_digest': None,
         }
-        self.claims.append(claim_record)
 
         try:
             claim = txo.claim
         except Exception:
             #self.logger.exception(f"Could not parse claim protobuf for {tx.id}:{txo.position}.")
-            return
+            return claim_record, []
 
         if claim.is_stream:
             claim_record['claim_type'] = TXO_TYPES['stream']
@@ -453,24 +457,96 @@ class BulkLoader:
             claim_record['reposted_claim_hash'] = claim.repost.reference.claim_hash
         elif claim.is_channel:
             claim_record['claim_type'] = TXO_TYPES['channel']
-            claim_record['public_key_bytes'] = txo.claim.channel.public_key_bytes
+            claim_record['public_key'] = claim.channel.public_key_bytes
             claim_record['public_key_hash'] = self.ledger.address_to_hash160(
-                self.ledger.public_key_to_address(txo.claim.channel.public_key_bytes)
+                self.ledger.public_key_to_address(claim.channel.public_key_bytes)
             )
+        if claim.is_signed:
+            claim_record['channel_hash'] = claim.signing_channel_hash
+            claim_record['signature'] = txo.get_encoded_signature()
+            claim_record['signature_digest'] = txo.get_signature_digest(None)
 
-        for tag in clean_tags(claim.message.tags):
+        tags = [
-            self.tags.append({'claim_hash': claim_hash, 'tag': tag})
+            {'claim_hash': claim_hash, 'tag': tag} for tag in clean_tags(claim.message.tags)
+        ]
 
+        return claim_record, tags
+
+    def add_block(self, block: Block, add_claims_supports: set = None):
+        self.blocks.append(self.block_to_row(block))
+        for tx in block.txs:
+            self.add_transaction(block.block_hash, tx, add_claims_supports)
+        return self
+
+    def add_transaction(self, block_hash: bytes, tx: Transaction, add_claims_supports: set = None):
+        self.txs.append(self.tx_to_row(block_hash, tx))
+        for txi in tx.inputs:
+            if txi.coinbase is None:
+                self.txis.append(self.txi_to_row(tx, txi))
+        for txo in tx.outputs:
+            self.txos.append(self.txo_to_row(tx, txo))
+            if add_claims_supports:
+                if txo.is_support and txo.hash in add_claims_supports:
+                    self.add_support(txo)
+                elif txo.is_claim and txo.hash in add_claims_supports:
+                    self.add_claim(txo)
+        return self
+
+    def add_support(self, txo: Output):
+        tx = txo.tx_ref.tx
+        claim_hash = txo.claim_hash
+        support_record = {
+            'claim_hash': claim_hash,
+            'address': txo.get_address(self.ledger),
+            'txo_hash': txo.ref.hash,
+            'tx_position': tx.position,
+            'amount': txo.amount,
+            'height': tx.height,
+        }
+        self.supports.append(support_record)
+        support = txo.can_decode_support
+        if support:
+            support_record['emoji'] = support.emoji
+            if support.is_signed:
+                support_record['channel_hash'] = support.signing_channel_hash
+
+    def add_claim(self, txo: Output):
+        claim, tags = self.claim_to_rows(txo)
+        if claim:
+            tx = txo.tx_ref.tx
+            claim['public_key_height'] = tx.height
+            if txo.script.is_claim_name:
+                claim['creation_height'] = tx.height
+                claim['creation_timestamp'] = tx.timestamp
+            self.claims.append(claim)
+            self.tags.extend(tags)
+        return self
+
+    def update_claim(self, txo: Output):
+        claim, tags = self.claim_to_rows(txo)
+        if claim:
+            claim['claim_hash_pk'] = claim.pop('claim_hash')
+            self.update_claims.append(claim)
+            self.delete_tags.append({'claim_hash_pk': claim['claim_hash_pk']})
+            self.tags.extend(tags)
         return self
 
     def save(self, batch_size=10000):
         queries = (
-            (Block, self.blocks),
+            (Block.insert(), self.blocks),
-            (TX, self.txs),
+            (TX.insert(), self.txs),
-            (TXO, self.txos),
+            (TXO.insert(), self.txos),
-            (TXI, self.txis),
+            (TXI.insert(), self.txis),
-            (Claim, self.claims),
+            (Claim.insert(), self.claims),
-            (Tag, self.tags),
+            (Tag.delete().where(Tag.c.claim_hash == bindparam('claim_hash_pk')), self.delete_tags),
+            (Claim.update()
+             .where(Claim.c.claim_hash == bindparam('claim_hash_pk'))
+             .values(public_key_height=case(
+                [(Claim.c.public_key_hash != bindparam('public_key_hash'), bindparam('height'))],
+                else_=Claim.c.public_key_height
+             )), self.update_claims),
+            (Tag.insert(), self.tags),
+            (Support.insert(), self.supports),
         )
 
         p = self.ctx.current_progress
@@ -478,10 +554,9 @@ class BulkLoader:
         if p:
             unit_table = p.event.unit.table
             progress_total, row_total = 0, sum(len(q[1]) for q in queries)
-            for table, rows in queries:
+            for sql, rows in queries:
-                if table == unit_table:
+                if sql.table == unit_table:
-                    progress_total = len(rows)
+                    progress_total += len(rows)
-                    break
             if not progress_total:
                 assert row_total == 0, "Rows used for progress are empty but other rows present."
                 return
@@ -489,10 +564,9 @@ class BulkLoader:
             p.start(progress_total)
 
         execute = self.ctx.connection.execute
-        for table, rows in queries:
+        for sql, rows in queries:
-            sql = table.insert()
+            for chunk_rows in chunk(rows, batch_size):
-            for chunk_size, chunk_rows in chunk(rows, batch_size):
+                execute(sql, chunk_rows)
-                execute(sql, list(chunk_rows))
                 if p:
-                    done += int(chunk_size/row_scale)
+                    done += int(len(chunk_rows)/row_scale)
                     p.step(done)

lbry/db/sync.py

@@ -1,48 +1,128 @@
 # pylint: disable=singleton-comparison
 from sqlalchemy.future import select
 
-from .constants import CLAIM_TYPE_CODES
+from lbry.db.constants import CLAIM_TYPE_CODES, TXO_TYPES
-from .queries import get_txos
+from lbry.db.queries import select_txos, rows_to_txos
-from .query_context import progress, Event
+from lbry.db.query_context import progress, Event
-from .tables import (
+from lbry.db.tables import (
-    TXO, TXI,
+    TXO, TXI, Claim, Support
-    Claim
 )
 
 
-def process_inputs(heights):
+def process_all_things_after_sync():
+    process_inputs_outputs()
+    process_supports()
+    process_claims()
+
+
+def process_inputs_outputs():
+
     with progress(Event.INPUT_UPDATE) as p:
+        p.start(2)
+
         if p.ctx.is_sqlite:
             address_query = select(TXO.c.address).where(TXI.c.txo_hash == TXO.c.txo_hash)
-            sql = (
+            set_addresses = (
                 TXI.update()
                 .values(address=address_query.scalar_subquery())
                 .where(TXI.c.address == None)
             )
         else:
-            sql = (
+            set_addresses = (
                 TXI.update()
                 .values({TXI.c.address: TXO.c.address})
                 .where((TXI.c.address == None) & (TXI.c.txo_hash == TXO.c.txo_hash))
             )
+
+        # 1. Update TXIs to have the address of TXO they are spending.
+        p.ctx.execute(set_addresses)
+        p.step(1)
+
+        # 2. Update spent TXOs setting is_spent = True
+        set_is_spent = (
+            TXO.update()
+            .values({TXO.c.is_spent: True})
+            .where(
+                (TXO.c.is_spent == False) &
+                (TXO.c.txo_hash.in_(select(TXI.c.txo_hash)))
+            )
+        )
+        p.ctx.execute(set_is_spent)
+        p.step(2)
+
+
+def condition_spent_claims(claim_type: list = None):
+    if claim_type is not None:
+        if len(claim_type) == 0:
+            raise ValueError("Missing 'claim_type'.")
+        if len(claim_type) == 1:
+            type_filter = TXO.c.txo_type == claim_type[0]
+        else:
+            type_filter = TXO.c.txo_type.in_(claim_type)
+    else:
+        type_filter = TXO.c.txo_type.in_(CLAIM_TYPE_CODES)
+    return Claim.c.claim_hash.notin_(
+        select(TXO.c.claim_hash).where(type_filter & (TXO.c.is_spent == False))
+    )
+
+
+# find UTXOs that are claims and their claim_id is not in claim table,
+# this means they need to be inserted
+select_missing_claims = (
+    select_txos(txo_type__in=CLAIM_TYPE_CODES, is_spent=False, claim_id_not_in_claim_table=True)
+)
+
+
+# find UTXOs that are claims and their txo_id is not in claim table,
+# this ONLY works if you first ran select_missing_claims and inserted the missing claims, then
+# all claims_ids should match between TXO and Claim table but txo_hashes will not match for
+# claims that are not up-to-date
+select_stale_claims = (
+    select_txos(txo_type__in=CLAIM_TYPE_CODES, is_spent=False, txo_id_not_in_claim_table=True)
+)
+
+
+condition_spent_supports = (
+    Support.c.txo_hash.notin_(
+        select(TXO.c.txo_hash).where(
+            (TXO.c.txo_type == TXO_TYPES['support']) &
+            (TXO.c.is_spent == False)
+        )
+    )
+)
+
+
+select_missing_supports = (
+    select_txos(txo_type=TXO_TYPES['support'], is_spent=False, txo_id_not_in_support_table=True)
+)
+
+
+def process_supports():
+    with progress(Event.SUPPORT_DELETE) as p:
         p.start(1)
+        sql = Support.delete().where(condition_spent_supports)
         p.ctx.execute(sql)
-
+    with progress(Event.SUPPORT_INSERT) as p:
-
-def process_claims(heights):
-
-    with progress(Event.CLAIM_DELETE) as p:
-        p.start(1)
-        p.ctx.execute(Claim.delete())
-
-    with progress(Event.CLAIM_UPDATE) as p:
         loader = p.ctx.get_bulk_loader()
-        for claim in get_txos(
+        for support in rows_to_txos(p.ctx.fetchall(select_missing_supports)):
-                txo_type__in=CLAIM_TYPE_CODES, is_spent=False,
+            loader.add_support(support)
-                height__gte=heights[0], height__lte=heights[1])[0]:
-            loader.add_claim(claim)
         loader.save()
 
 
-def process_supports(heights):
+def process_claims():
-    pass
+    with progress(Event.CLAIM_DELETE) as p:
+        p.start(1)
+        sql = Claim.delete().where(condition_spent_claims())
+        p.ctx.execute(sql)
+
+    with progress(Event.CLAIM_INSERT) as p:
+        loader = p.ctx.get_bulk_loader()
+        for claim in rows_to_txos(p.ctx.fetchall(select_missing_claims)):
+            loader.add_claim(claim)
+        loader.save()
+
+    with progress(Event.CLAIM_UPDATE) as p:
+        loader = p.ctx.get_bulk_loader()
+        for claim in rows_to_txos(p.ctx.fetchall(select_stale_claims)):
+            loader.update_claim(claim)
+        loader.save()

lbry/db/tables.py

@@ -43,6 +43,7 @@ Block = Table(
     Column('previous_hash', LargeBinary),
     Column('file_number', SmallInteger),
     Column('height', Integer),
+    Column('timestamp', Integer),
     Column('block_filter', LargeBinary, nullable=True)
 )
 
@@ -54,9 +55,10 @@ TX = Table(
     Column('raw', LargeBinary),
     Column('height', Integer),
     Column('position', SmallInteger),
+    Column('timestamp', Integer, nullable=True),
+    Column('day', Integer, nullable=True),
     Column('is_verified', Boolean, server_default='FALSE'),
     Column('purchased_claim_hash', LargeBinary, nullable=True),
-    Column('day', Integer, nullable=True),
     Column('tx_filter', LargeBinary, nullable=True)
 )
 
@@ -107,11 +109,13 @@ Claim = Table(
     Column('height', Integer),  # last updated height
     Column('creation_height', Integer),
     Column('activation_height', Integer, nullable=True),
-    Column('expiration_height', Integer),
+    Column('expiration_height', Integer, nullable=True),
+    Column('takeover_height', Integer, nullable=True),
+    Column('is_controlling', Boolean, server_default='0'),
     Column('release_time', Integer, nullable=True),
 
     # normalized#shortest-unique-claim_id
-    Column('short_url', Text),
+    Column('short_url', Text, nullable=True),
     # channel's-short_url/normalized#shortest-unique-claim_id-within-channel
     Column('canonical_url', Text, nullable=True),
 
@@ -120,7 +124,8 @@ Claim = Table(
     Column('description', Text, nullable=True),
 
     Column('claim_type', SmallInteger),
-    Column('reposted', Integer, server_default='0'),
+    Column('claim_reposted_count', Integer, server_default='0'),
+    Column('supports_in_claim_count', Integer, server_default='0'),
 
     # streams
     Column('stream_type', Text, nullable=True),
@@ -133,18 +138,17 @@ Claim = Table(
     Column('reposted_claim_hash', LargeBinary, nullable=True),
 
     # claims which are channels
-    Column('public_key_bytes', LargeBinary, nullable=True),
+    Column('public_key', LargeBinary, nullable=True),
     Column('public_key_hash', LargeBinary, nullable=True),
-    Column('claims_in_channel', Integer, server_default='0'),
+    Column('public_key_height', Integer, server_default='0'),  # height at which public key was last changed
+    Column('claims_in_channel_count', Integer, server_default='0'),
 
     # claims which are inside channels
     Column('channel_hash', LargeBinary, nullable=True),
-    Column('channel_join', Integer, nullable=True),  # height at which claim got valid signature / joined channel
     Column('signature', LargeBinary, nullable=True),
     Column('signature_digest', LargeBinary, nullable=True),
-    Column('signature_valid', Boolean, nullable=True),
+    Column('is_signature_valid', Boolean, server_default='0'),
 
-    Column('effective_amount', BigInteger, server_default='0'),
     Column('support_amount', BigInteger, server_default='0'),
     Column('trending_group', BigInteger, server_default='0'),
     Column('trending_mixed', BigInteger, server_default='0'),
@@ -162,14 +166,30 @@ Tag = Table(
 
 Support = Table(
     'support', metadata,
-    Column('normalized', Text, primary_key=True),
+
-    Column('claim_hash', LargeBinary, ForeignKey(Claim.columns.claim_hash)),
+    Column('txo_hash', LargeBinary, ForeignKey(TXO.columns.txo_hash), primary_key=True),
+    Column('claim_hash', LargeBinary, ForeignKey(TXO.columns.claim_hash)),
+    Column('address', Text),
+    Column('tx_position', SmallInteger),
+    Column('activation_height', Integer, nullable=True),
+    Column('expiration_height', Integer, nullable=True),
+    Column('amount', BigInteger),
+    Column('height', Integer),
+
+    # support metadata
+    Column('emoji', Text),
+
+    # signed supports
+    Column('channel_hash', LargeBinary, nullable=True),
+    Column('signature', LargeBinary, nullable=True),
+    Column('signature_digest', LargeBinary, nullable=True),
+    Column('is_signature_valid', Boolean, server_default='0'),
 )
 
 
-Claimtrie = Table(
+Takeover = Table(
-    'claimtrie', metadata,
+    'takeover', metadata,
-    Column('normalized', Text, primary_key=True),
+    Column('normalized', Text),
-    Column('claim_hash', LargeBinary, ForeignKey(Claim.columns.claim_hash)),
+    Column('claim_hash', LargeBinary, ForeignKey(TXO.columns.claim_hash)),
-    Column('last_take_over_height', Integer),
+    Column('height', Integer),
 )

lbry/db/utils.py

@@ -14,7 +14,7 @@ from .tables import AccountAddress
 def chunk(rows, step):
     it, total = iter(rows), len(rows)
     for _ in range(0, total, step):
-        yield min(step, total), islice(it, step)
+        yield list(islice(it, step))
         total -= step
 
 

lbry/schema/claim.py

@@ -30,14 +30,10 @@ class Claim(Signable):
     COLLECTION = 'collection'
     REPOST = 'repost'
 
-    __slots__ = 'version',
+    __slots__ = ()
 
     message_class = ClaimMessage
 
-    def __init__(self, message=None):
-        super().__init__(message)
-        self.version = 2
-
     @property
     def claim_type(self) -> str:
         return self.message.WhichOneof('type')

lbry/schema/support.py

@@ -1,6 +1,19 @@
 from lbry.schema.base import Signable
+from lbry.schema.types.v2.support_pb2 import Support as SupportMessage
 
 
 class Support(Signable):
     __slots__ = ()
-    message_class = None  # TODO: add support protobufs
+    message_class = SupportMessage
+
+    def __init__(self, emoji='👍', message=None):
+        super().__init__(message)
+        self.emoji = emoji
+
+    @property
+    def emoji(self) -> str:
+        return self.message.emoji
+
+    @emoji.setter
+    def emoji(self, emoji: str):
+        self.message.emoji = emoji

lbry/schema/types/v2/support_pb2.py

@@ -0,0 +1,69 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: support.proto
+
+import sys
+_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf import descriptor_pb2
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='support.proto',
+  package='pb',
+  syntax='proto3',
+  serialized_pb=_b('\n\rsupport.proto\x12\x02pb\"\x18\n\x07Support\x12\r\n\x05\x65moji\x18\x01 \x01(\tb\x06proto3')
+)
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+
+
+
+_SUPPORT = _descriptor.Descriptor(
+  name='Support',
+  full_name='pb.Support',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='emoji', full_name='pb.Support.emoji', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=21,
+  serialized_end=45,
+)
+
+DESCRIPTOR.message_types_by_name['Support'] = _SUPPORT
+
+Support = _reflection.GeneratedProtocolMessageType('Support', (_message.Message,), dict(
+  DESCRIPTOR = _SUPPORT,
+  __module__ = 'support_pb2'
+  # @@protoc_insertion_point(class_scope:pb.Support)
+  ))
+_sym_db.RegisterMessage(Support)
+
+
+# @@protoc_insertion_point(module_scope)

lbry/testcase.py

@@ -2,6 +2,7 @@ import os
 import sys
 import json
 import shutil
+import hashlib
 import logging
 import tempfile
 import functools
@@ -10,18 +11,25 @@ import time
 from asyncio.runners import _cancel_all_tasks  # type: ignore
 import unittest
 from unittest.case import _Outcome
-from typing import Optional
+from typing import Optional, List, Union
-from binascii import unhexlify
+from binascii import unhexlify, hexlify
 
+import ecdsa
+
+from lbry.db import Database
 from lbry.blockchain import (
     RegTestLedger, Transaction, Input, Output, dewies_to_lbc
 )
+from lbry.blockchain.block import Block
+from lbry.blockchain.bcd_data_stream import BCDataStream
 from lbry.blockchain.lbrycrd import Lbrycrd
-from lbry.constants import CENT, NULL_HASH32
+from lbry.blockchain.dewies import lbc_to_dewies
+from lbry.constants import COIN, CENT, NULL_HASH32
 from lbry.service import Daemon, FullNode, jsonrpc_dumps_pretty
 from lbry.conf import Config
 from lbry.console import Console
 from lbry.wallet import Wallet, Account
+from lbry.schema.claim import Claim
 
 from lbry.service.exchange_rate_manager import (
     ExchangeRateManager, ExchangeRate, LBRYFeed, LBRYBTCFeed
@@ -219,6 +227,173 @@ class AdvanceTimeTestCase(AsyncioTestCase):
             await asyncio.sleep(0)
 
 
+class UnitDBTestCase(AsyncioTestCase):
+
+    async def asyncSetUp(self):
+        await super().asyncSetUp()
+
+        self.db = Database.temp_sqlite()
+        self.addCleanup(self.db.close)
+        await self.db.open()
+
+        self.ledger = self.db.ledger
+        self.conf = self.ledger.conf
+        self.outputs: List[Output] = []
+        self.current_height = 0
+
+    async def add(self, block_or_tx: Union[Block, Transaction], block_hash: Optional[bytes] = None):
+        if isinstance(block_or_tx, Block):
+            await self.db.insert_block(block_or_tx)
+            for tx in block_or_tx.txs:
+                self.outputs.extend(tx.outputs)
+            return block_or_tx
+        elif isinstance(block_or_tx, Transaction):
+            await self.db.insert_transaction(block_hash, block_or_tx)
+            self.outputs.extend(block_or_tx.outputs)
+            return block_or_tx.outputs[0]
+        else:
+            raise NotImplementedError(f"Can't add {type(block_or_tx)}.")
+
+    def block(self, height: int, txs: List[Transaction]):
+        self.current_height = height
+        for tx in txs:
+            tx.height = height
+        return Block(
+            height=height, version=1, file_number=0,
+            block_hash=f'beef{height}'.encode(), prev_block_hash=f'beef{height-1}'.encode(),
+            merkle_root=b'beef', claim_trie_root=b'beef',
+            timestamp=99, bits=1, nonce=1, txs=txs
+        )
+
+    def coinbase(self):
+        return (
+            Transaction(height=0)
+            .add_inputs([Input.create_coinbase()])
+            .add_outputs([Output.pay_pubkey_hash(1000*COIN, (0).to_bytes(32, 'little'))])
+        )
+
+    def tx(self, amount='1.0', height=None, txi=None, txo=None):
+        counter = len(self.outputs)
+        self.current_height = height or (self.current_height+1)
+        txis = [Input.spend(self.outputs[-1])]
+        if txi is not None:
+            txis.insert(0, txi)
+        txo = txo or Output.pay_pubkey_hash(lbc_to_dewies(amount), counter.to_bytes(32, 'little'))
+        change = (sum(txi.txo_ref.txo.amount for txi in txis) - txo.amount) - CENT
+        assert change > 0
+        return (
+            Transaction(height=self.current_height)
+            .add_inputs(txis)
+            .add_outputs([
+                txo,
+                Output.pay_pubkey_hash(change, (counter + 1).to_bytes(32, 'little'))
+            ])
+        )
+
+    def create_claim(self, claim_name='foo', claim=b'', amount='1.0', height=None):
+        return self.tx(
+            height=height,
+            txo=Output.pay_claim_name_pubkey_hash(
+                lbc_to_dewies(amount), claim_name, claim,
+                len(self.outputs).to_bytes(32, 'little')
+            )
+        )
+
+    def update_claim(self, txo, amount='1.0', height=None):
+        return self.tx(
+            height=height,
+            txo=Output.pay_update_claim_pubkey_hash(
+                lbc_to_dewies(amount), txo.claim_name, txo.claim_id, txo.claim,
+                len(self.outputs).to_bytes(32, 'little')
+            )
+        )
+
+    def support_claim(self, txo, amount='1.0', height=None):
+        return self.tx(
+            height=height,
+            txo=Output.pay_support_pubkey_hash(
+                lbc_to_dewies(amount), txo.claim_name, txo.claim_id,
+                len(self.outputs).to_bytes(32, 'little')
+            )
+        )
+
+    def repost_claim(self, claim_id, amount, channel):
+        claim = Claim()
+        claim.repost.reference.claim_id = claim_id
+        result = self.create_claim('repost', claim, amount)
+        if channel:
+            result.outputs[0].sign(channel)
+            result._reset()
+        return result
+
+    def abandon_claim(self, txo):
+        return self.tx(amount='0.01', txi=Input.spend(txo))
+
+    def _set_channel_key(self, channel, key):
+        private_key = ecdsa.SigningKey.from_string(key*32, curve=ecdsa.SECP256k1, hashfunc=hashlib.sha256)
+        channel.private_key = private_key
+        channel.claim.channel.public_key_bytes = private_key.get_verifying_key().to_der()
+        channel.script.generate()
+
+    def create_channel(self, title, amount, name='@foo', key=b'a', **kwargs):
+        claim = Claim()
+        claim.stream.update(title=title, **kwargs)
+        tx = self.create_claim(name, claim, amount)
+        self._set_channel_key(tx.outputs[0], key)
+        return tx
+
+    def update_channel(self, channel, amount, key=b'a'):
+        self._set_channel_key(channel, key)
+        return self.update_claim(channel, amount)
+
+    def create_stream(self, title, amount, name='foo', channel=None, **kwargs):
+        claim = Claim()
+        claim.stream.update(title=title, **kwargs)
+        result = self.create_claim(name, claim, amount)
+        if channel:
+            result.outputs[0].sign(channel)
+            result._reset()
+        return result
+
+    def update_stream(self, stream, amount, channel=None):
+        result = self.update_claim(stream, amount)
+        if channel:
+            result.outputs[0].sign(channel)
+            result._reset()
+        return result
+
+    async def get_txis(self):
+        txis = []
+        for txi in await self.db.execute_fetchall("select txo_hash, address from txi"):
+            txoid = hexlify(txi["txo_hash"][:32][::-1]).decode()
+            position, = BCDataStream.uint32.unpack(txi['txo_hash'][32:])
+            txis.append((f'{txoid}:{position}', txi['address']))
+        return txis
+
+    async def get_txos(self):
+        txos = []
+        sql = (
+            "select txo_hash, txo.position, is_spent from txo join tx using (tx_hash) "
+            "order by tx.height, tx.position, txo.position"
+        )
+        for txo in await self.db.execute_fetchall(sql):
+            txoid = hexlify(txo["txo_hash"][:32][::-1]).decode()
+            txos.append((
+                f"{txoid}:{txo['position']}",
+                bool(txo['is_spent'])
+            ))
+        return txos
+
+    async def get_claims(self):
+        claims = []
+        sql = (
+            "select claim_id from claim order by height, tx_position"
+        )
+        for claim in await self.db.execute_fetchall(sql):
+            claims.append(claim['claim_id'])
+        return claims
+
+
 class IntegrationTestCase(AsyncioTestCase):
 
     SEED = None

tests/unit/blockchain/test_sync.py

@@ -1,528 +0,0 @@
-import tempfile
-import ecdsa
-import hashlib
-from unittest import skip
-from binascii import hexlify
-from typing import List, Tuple
-
-from lbry.testcase import AsyncioTestCase, get_output
-from lbry.conf import Config
-from lbry.db.query_context import BulkLoader
-from lbry.schema.claim import Claim
-from lbry.schema.result import Censor
-from lbry.blockchain.block import Block
-from lbry.constants import COIN
-from lbry.blockchain.transaction import Transaction, Input, Output
-from lbry.service.full_node import FullNode
-from lbry.blockchain.ledger import Ledger
-from lbry.blockchain.lbrycrd import Lbrycrd
-from lbry.blockchain.testing import create_lbrycrd_databases, add_block_to_lbrycrd
-
-
-def get_input(fuzz=1):
-    return Input.spend(get_output(COIN, fuzz.to_bytes(32, 'little')))
-
-
-def get_tx(fuzz=1):
-    return Transaction().add_inputs([get_input(fuzz)])
-
-
-def search(**constraints) -> List:
-    return reader.search_claims(Censor(), **constraints)
-
-
-def censored_search(**constraints) -> Tuple[List, Censor]:
-    rows, _, _, _, censor = reader.search(constraints)
-    return rows, censor
-
-
-@skip('figure out what to do with these tests, claimtrie calcs are now done by lbrycrd')
-class TestSQLDB(AsyncioTestCase):
-
-    async def asyncSetUp(self):
-        await super().asyncSetUp()
-        self.chain = Lbrycrd(Ledger(Config.with_same_dir(tempfile.mkdtemp())))
-        self.addCleanup(self.chain.cleanup)
-        await create_lbrycrd_databases(self.chain.actual_data_dir)
-        await self.chain.open()
-        self.addCleanup(self.chain.close)
-        self.service = FullNode(
-            self.chain.ledger, f'sqlite:///{self.chain.data_dir}/lbry.db', self.chain
-        )
-        self.service.conf.spv_address_filters = False
-        self.db = self.service.db
-        self.addCleanup(self.db.close)
-        await self.db.open()
-        self._txos = {}
-
-    async def advance(self, height, txs, takeovers=None):
-        block = Block(
-            height=height, version=1, file_number=0,
-            block_hash=f'beef{height}'.encode(), prev_block_hash=f'beef{height-1}'.encode(),
-            merkle_root=b'beef', claim_trie_root=b'beef',
-            timestamp=99, bits=1, nonce=1, txs=txs
-        )
-        await add_block_to_lbrycrd(self.chain, block, takeovers or [])
-        await BulkLoader(self.db).add_block(block).save()
-        await self.service.sync.post_process()
-        return [tx.outputs[0] for tx in txs]
-
-    def _make_tx(self, output, txi=None, **kwargs):
-        tx = get_tx(**kwargs).add_outputs([output])
-        if txi is not None:
-            tx.add_inputs([txi])
-        self._txos[output.ref.hash] = output
-        return tx
-
-    def _set_channel_key(self, channel, key):
-        private_key = ecdsa.SigningKey.from_string(key*32, curve=ecdsa.SECP256k1, hashfunc=hashlib.sha256)
-        channel.private_key = private_key
-        channel.claim.channel.public_key_bytes = private_key.get_verifying_key().to_der()
-        channel.script.generate()
-
-    def get_channel(self, title, amount, name='@foo', key=b'a', **kwargs):
-        claim = Claim()
-        claim.channel.title = title
-        channel = Output.pay_claim_name_pubkey_hash(amount, name, claim, b'abc')
-        self._set_channel_key(channel, key)
-        return self._make_tx(channel, **kwargs)
-
-    def get_channel_update(self, channel, amount, key=b'a'):
-        self._set_channel_key(channel, key)
-        return self._make_tx(
-            Output.pay_update_claim_pubkey_hash(
-                amount, channel.claim_name, channel.claim_id, channel.claim, b'abc'
-            ),
-            Input.spend(channel)
-        )
-
-    def get_stream(self, title, amount, name='foo', channel=None, **kwargs):
-        claim = Claim()
-        claim.stream.update(title=title, **kwargs)
-        result = self._make_tx(Output.pay_claim_name_pubkey_hash(amount, name, claim, b'abc'))
-        if channel:
-            result.outputs[0].sign(channel)
-            result._reset()
-        return result
-
-    def get_stream_update(self, tx, amount, channel=None):
-        stream = Transaction(tx[0].raw).outputs[0]
-        result = self._make_tx(
-            Output.pay_update_claim_pubkey_hash(
-                amount, stream.claim_name, stream.claim_id, stream.claim, b'abc'
-            ),
-            Input.spend(stream)
-        )
-        if channel:
-            result.outputs[0].sign(channel)
-            result._reset()
-        return result
-
-    def get_repost(self, claim_id, amount, channel):
-        claim = Claim()
-        claim.repost.reference.claim_id = claim_id
-        result = self._make_tx(Output.pay_claim_name_pubkey_hash(amount, 'repost', claim, b'abc'))
-        result.outputs[0].sign(channel)
-        result._reset()
-        return result
-
-    def get_abandon(self, tx):
-        claim = Transaction(tx[0].raw).outputs[0]
-        return self._make_tx(
-            Output.pay_pubkey_hash(claim.amount, b'abc'),
-            Input.spend(claim)
-        )
-
-    def get_support(self, tx, amount):
-        claim = Transaction(tx[0].raw).outputs[0]
-        return self._make_tx(
-            Output.pay_support_pubkey_hash(
-                amount, claim.claim_name, claim.claim_id, b'abc'
-             )
-        )
-
-
-@skip('figure out what to do with these tests, claimtrie calcs are now done by lbrycrd')
-class TestClaimtrie(TestSQLDB):
-
-    def setUp(self):
-        super().setUp()
-        self._input_counter = 1
-
-    def _get_x_with_claim_id_prefix(self, getter, prefix, cached_iteration=None, **kwargs):
-        iterations = cached_iteration+1 if cached_iteration else 100
-        for i in range(cached_iteration or 1, iterations):
-            stream = getter(f'claim #{i}', COIN, fuzz=self._input_counter, **kwargs)
-            if stream.outputs[0].claim_id.startswith(prefix):
-                cached_iteration is None and print(f'Found "{prefix}" in {i} iterations.')
-                self._input_counter += 1
-                return stream
-        if cached_iteration:
-            raise ValueError(f'Failed to find "{prefix}" at cached iteration, run with None to find iteration.')
-        raise ValueError(f'Failed to find "{prefix}" in {iterations} iterations, try different values.')
-
-    def get_channel_with_claim_id_prefix(self, prefix, cached_iteration=None, **kwargs):
-        return self._get_x_with_claim_id_prefix(self.get_channel, prefix, cached_iteration, **kwargs)
-
-    def get_stream_with_claim_id_prefix(self, prefix, cached_iteration=None, **kwargs):
-        return self._get_x_with_claim_id_prefix(self.get_stream, prefix, cached_iteration, **kwargs)
-
-    async def test_canonical_url_and_channel_validation(self):
-        advance, search = self.advance, partial(self.service.search_claims, [])
-
-        tx_chan_a = self.get_channel_with_claim_id_prefix('a', 1, key=b'c')
-        tx_chan_ab = self.get_channel_with_claim_id_prefix('ab', 20, key=b'c')
-        txo_chan_a = tx_chan_a.outputs[0]
-        txo_chan_ab = tx_chan_ab.outputs[0]
-        await advance(1, [tx_chan_a])
-        await advance(2, [tx_chan_ab])
-        (r_ab, r_a) = search(order_by=['creation_height'], limit=2)
-        self.assertEqual("@foo#a", r_a['short_url'])
-        self.assertEqual("@foo#ab", r_ab['short_url'])
-        self.assertIsNone(r_a['canonical_url'])
-        self.assertIsNone(r_ab['canonical_url'])
-        self.assertEqual(0, r_a['claims_in_channel'])
-        self.assertEqual(0, r_ab['claims_in_channel'])
-
-        tx_a = self.get_stream_with_claim_id_prefix('a', 2)
-        tx_ab = self.get_stream_with_claim_id_prefix('ab', 42)
-        tx_abc = self.get_stream_with_claim_id_prefix('abc', 65)
-        await advance(3, [tx_a])
-        await advance(4, [tx_ab, tx_abc])
-        (r_abc, r_ab, r_a) = search(order_by=['creation_height', 'tx_position'], limit=3)
-        self.assertEqual("foo#a", r_a['short_url'])
-        self.assertEqual("foo#ab", r_ab['short_url'])
-        self.assertEqual("foo#abc", r_abc['short_url'])
-        self.assertIsNone(r_a['canonical_url'])
-        self.assertIsNone(r_ab['canonical_url'])
-        self.assertIsNone(r_abc['canonical_url'])
-
-        tx_a2 = self.get_stream_with_claim_id_prefix('a', 7, channel=txo_chan_a)
-        tx_ab2 = self.get_stream_with_claim_id_prefix('ab', 23, channel=txo_chan_a)
-        a2_claim = tx_a2.outputs[0]
-        ab2_claim = tx_ab2.outputs[0]
-        await advance(6, [tx_a2])
-        await advance(7, [tx_ab2])
-        (r_ab2, r_a2) = search(order_by=['creation_height'], limit=2)
-        self.assertEqual(f"foo#{a2_claim.claim_id[:2]}", r_a2['short_url'])
-        self.assertEqual(f"foo#{ab2_claim.claim_id[:4]}", r_ab2['short_url'])
-        self.assertEqual("@foo#a/foo#a", r_a2['canonical_url'])
-        self.assertEqual("@foo#a/foo#ab", r_ab2['canonical_url'])
-        self.assertEqual(2, search(claim_id=txo_chan_a.claim_id, limit=1)[0]['claims_in_channel'])
-
-        # change channel public key, invaliding stream claim signatures
-        await advance(8, [self.get_channel_update(txo_chan_a, COIN, key=b'a')])
-        (r_ab2, r_a2) = search(order_by=['creation_height'], limit=2)
-        self.assertEqual(f"foo#{a2_claim.claim_id[:2]}", r_a2['short_url'])
-        self.assertEqual(f"foo#{ab2_claim.claim_id[:4]}", r_ab2['short_url'])
-        self.assertIsNone(r_a2['canonical_url'])
-        self.assertIsNone(r_ab2['canonical_url'])
-        self.assertEqual(0, search(claim_id=txo_chan_a.claim_id, limit=1)[0]['claims_in_channel'])
-
-        # reinstate previous channel public key (previous stream claim signatures become valid again)
-        channel_update = self.get_channel_update(txo_chan_a, COIN, key=b'c')
-        await advance(9, [channel_update])
-        (r_ab2, r_a2) = search(order_by=['creation_height'], limit=2)
-        self.assertEqual(f"foo#{a2_claim.claim_id[:2]}", r_a2['short_url'])
-        self.assertEqual(f"foo#{ab2_claim.claim_id[:4]}", r_ab2['short_url'])
-        self.assertEqual("@foo#a/foo#a", r_a2['canonical_url'])
-        self.assertEqual("@foo#a/foo#ab", r_ab2['canonical_url'])
-        self.assertEqual(2, search(claim_id=txo_chan_a.claim_id, limit=1)[0]['claims_in_channel'])
-        self.assertEqual(0, search(claim_id=txo_chan_ab.claim_id, limit=1)[0]['claims_in_channel'])
-
-        # change channel of stream
-        self.assertEqual("@foo#a/foo#ab", search(claim_id=ab2_claim.claim_id, limit=1)[0]['canonical_url'])
-        tx_ab2 = self.get_stream_update(tx_ab2, COIN, txo_chan_ab)
-        await advance(10, [tx_ab2])
-        self.assertEqual("@foo#ab/foo#a", search(claim_id=ab2_claim.claim_id, limit=1)[0]['canonical_url'])
-        # TODO: currently there is a bug where stream leaving a channel does not update that channels claims count
-        self.assertEqual(2, search(claim_id=txo_chan_a.claim_id, limit=1)[0]['claims_in_channel'])
-        # TODO: after bug is fixed remove test above and add test below
-        #self.assertEqual(1, search(claim_id=txo_chan_a.claim_id, limit=1)[0]['claims_in_channel'])
-        self.assertEqual(1, search(claim_id=txo_chan_ab.claim_id, limit=1)[0]['claims_in_channel'])
-
-        # claim abandon updates claims_in_channel
-        await advance(11, [self.get_abandon(tx_ab2)])
-        self.assertEqual(0, search(claim_id=txo_chan_ab.claim_id, limit=1)[0]['claims_in_channel'])
-
-        # delete channel, invaliding stream claim signatures
-        await advance(12, [self.get_abandon(channel_update)])
-        (r_a2,) = search(order_by=['creation_height'], limit=1)
-        self.assertEqual(f"foo#{a2_claim.claim_id[:2]}", r_a2['short_url'])
-        self.assertIsNone(r_a2['canonical_url'])
-
-    def test_resolve_issue_2448(self):
-        advance = self.advance
-
-        tx_chan_a = self.get_channel_with_claim_id_prefix('a', 1, key=b'c')
-        tx_chan_ab = self.get_channel_with_claim_id_prefix('ab', 72, key=b'c')
-        txo_chan_a = tx_chan_a[0].outputs[0]
-        txo_chan_ab = tx_chan_ab[0].outputs[0]
-        advance(1, [tx_chan_a])
-        advance(2, [tx_chan_ab])
-
-        self.assertEqual(reader.resolve_url("@foo#a")['claim_hash'], txo_chan_a.claim_hash)
-        self.assertEqual(reader.resolve_url("@foo#ab")['claim_hash'], txo_chan_ab.claim_hash)
-
-        # update increase last height change of channel
-        advance(9, [self.get_channel_update(txo_chan_a, COIN, key=b'c')])
-
-        # make sure that activation_height is used instead of height (issue #2448)
-        self.assertEqual(reader.resolve_url("@foo#a")['claim_hash'], txo_chan_a.claim_hash)
-        self.assertEqual(reader.resolve_url("@foo#ab")['claim_hash'], txo_chan_ab.claim_hash)
-
-    def test_canonical_find_shortest_id(self):
-        new_hash = 'abcdef0123456789beef'
-        other0 = '1bcdef0123456789beef'
-        other1 = 'ab1def0123456789beef'
-        other2 = 'abc1ef0123456789beef'
-        other3 = 'abcdef0123456789bee1'
-        f = FindShortestID()
-        f.step(other0, new_hash)
-        self.assertEqual('#a', f.finalize())
-        f.step(other1, new_hash)
-        self.assertEqual('#abc', f.finalize())
-        f.step(other2, new_hash)
-        self.assertEqual('#abcd', f.finalize())
-        f.step(other3, new_hash)
-        self.assertEqual('#abcdef0123456789beef', f.finalize())
-
-
-@skip('figure out what to do with these tests, claimtrie calcs are now done by lbrycrd')
-class TestTrending(TestSQLDB):
-
-    def test_trending(self):
-        advance = self.advance
-        no_trend = self.get_stream('Claim A', COIN)
-        downwards = self.get_stream('Claim B', COIN)
-        up_small = self.get_stream('Claim C', COIN)
-        up_medium = self.get_stream('Claim D', COIN)
-        up_biggly = self.get_stream('Claim E', COIN)
-        claims = advance(1, [up_biggly, up_medium, up_small, no_trend, downwards])
-        for window in range(1, 8):
-            advance(zscore.TRENDING_WINDOW * window, [
-                self.get_support(downwards, (20-window)*COIN),
-                self.get_support(up_small, int(20+(window/10)*COIN)),
-                self.get_support(up_medium, (20+(window*(2 if window == 7 else 1)))*COIN),
-                self.get_support(up_biggly, (20+(window*(3 if window == 7 else 1)))*COIN),
-            ])
-        results = search(order_by=['trending_local'])
-        self.assertEqual([c.claim_id for c in claims], [hexlify(c['claim_hash'][::-1]).decode() for c in results])
-        self.assertEqual([10, 6, 2, 0, -2], [int(c['trending_local']) for c in results])
-        self.assertEqual([53, 38, -32, 0, -6], [int(c['trending_global']) for c in results])
-        self.assertEqual([4, 4, 2, 0, 1], [int(c['trending_group']) for c in results])
-        self.assertEqual([53, 38, 2, 0, -6], [int(c['trending_mixed']) for c in results])
-
-    def test_edge(self):
-        problematic = self.get_stream('Problem', COIN)
-        self.advance(1, [problematic])
-        self.advance(zscore.TRENDING_WINDOW, [self.get_support(problematic, 53000000000)])
-        self.advance(zscore.TRENDING_WINDOW * 2, [self.get_support(problematic, 500000000)])
-
-
-@skip('figure out what to do with these tests, claimtrie calcs are now done by lbrycrd')
-class TestContentBlocking(TestSQLDB):
-
-    def test_blocking_and_filtering(self):
-        # content claims and channels
-        tx0 = self.get_channel('A Channel', COIN, '@channel1')
-        regular_channel = tx0[0].outputs[0]
-        tx1 = self.get_stream('Claim One', COIN, 'claim1')
-        tx2 = self.get_stream('Claim Two', COIN, 'claim2', regular_channel)
-        tx3 = self.get_stream('Claim Three', COIN, 'claim3')
-        self.advance(1, [tx0, tx1, tx2, tx3])
-        claim1, claim2, claim3 = tx1[0].outputs[0], tx2[0].outputs[0], tx3[0].outputs[0]
-
-        # block and filter channels
-        tx0 = self.get_channel('Blocking Channel', COIN, '@block')
-        tx1 = self.get_channel('Filtering Channel', COIN, '@filter')
-        blocking_channel = tx0[0].outputs[0]
-        filtering_channel = tx1[0].outputs[0]
-        self.sql.blocking_channel_hashes.add(blocking_channel.claim_hash)
-        self.sql.filtering_channel_hashes.add(filtering_channel.claim_hash)
-        self.advance(2, [tx0, tx1])
-        self.assertEqual({}, dict(self.sql.blocked_streams))
-        self.assertEqual({}, dict(self.sql.blocked_channels))
-        self.assertEqual({}, dict(self.sql.filtered_streams))
-        self.assertEqual({}, dict(self.sql.filtered_channels))
-
-        # nothing blocked
-        results, _ = reader.resolve([
-            claim1.claim_name, claim2.claim_name,
-            claim3.claim_name, regular_channel.claim_name
-        ])
-        self.assertEqual(claim1.claim_hash, results[0]['claim_hash'])
-        self.assertEqual(claim2.claim_hash, results[1]['claim_hash'])
-        self.assertEqual(claim3.claim_hash, results[2]['claim_hash'])
-        self.assertEqual(regular_channel.claim_hash, results[3]['claim_hash'])
-
-        # nothing filtered
-        results, censor = censored_search()
-        self.assertEqual(6, len(results))
-        self.assertEqual(0, censor.total)
-        self.assertEqual({}, censor.censored)
-
-        # block claim reposted to blocking channel, also gets filtered
-        repost_tx1 = self.get_repost(claim1.claim_id, COIN, blocking_channel)
-        repost1 = repost_tx1[0].outputs[0]
-        self.advance(3, [repost_tx1])
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.blocked_streams)
-        )
-        self.assertEqual({}, dict(self.sql.blocked_channels))
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.filtered_streams)
-        )
-        self.assertEqual({}, dict(self.sql.filtered_channels))
-
-        # claim is blocked from results by direct repost
-        results, censor = censored_search(text='Claim')
-        self.assertEqual(2, len(results))
-        self.assertEqual(claim2.claim_hash, results[0]['claim_hash'])
-        self.assertEqual(claim3.claim_hash, results[1]['claim_hash'])
-        self.assertEqual(1, censor.total)
-        self.assertEqual({blocking_channel.claim_hash: 1}, censor.censored)
-        results, _ = reader.resolve([claim1.claim_name])
-        self.assertEqual(
-            f"Resolve of 'claim1' was censored by channel with claim id '{blocking_channel.claim_id}'.",
-            results[0].args[0]
-        )
-        results, _ = reader.resolve([
-            claim2.claim_name, regular_channel.claim_name  # claim2 and channel still resolved
-        ])
-        self.assertEqual(claim2.claim_hash, results[0]['claim_hash'])
-        self.assertEqual(regular_channel.claim_hash, results[1]['claim_hash'])
-
-        # block claim indirectly by blocking its parent channel
-        repost_tx2 = self.get_repost(regular_channel.claim_id, COIN, blocking_channel)
-        repost2 = repost_tx2[0].outputs[0]
-        self.advance(4, [repost_tx2])
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.blocked_streams)
-        )
-        self.assertEqual(
-            {repost2.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.blocked_channels)
-        )
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.filtered_streams)
-        )
-        self.assertEqual(
-            {repost2.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.filtered_channels)
-        )
-
-        # claim in blocked channel is filtered from search and can't resolve
-        results, censor = censored_search(text='Claim')
-        self.assertEqual(1, len(results))
-        self.assertEqual(claim3.claim_hash, results[0]['claim_hash'])
-        self.assertEqual(2, censor.total)
-        self.assertEqual({blocking_channel.claim_hash: 2}, censor.censored)
-        results, _ = reader.resolve([
-            claim2.claim_name, regular_channel.claim_name  # claim2 and channel don't resolve
-        ])
-        self.assertEqual(
-            f"Resolve of 'claim2' was censored by channel with claim id '{blocking_channel.claim_id}'.",
-            results[0].args[0]
-        )
-        self.assertEqual(
-            f"Resolve of '@channel1' was censored by channel with claim id '{blocking_channel.claim_id}'.",
-            results[1].args[0]
-        )
-        results, _ = reader.resolve([claim3.claim_name])  # claim3 still resolved
-        self.assertEqual(claim3.claim_hash, results[0]['claim_hash'])
-
-        # filtered claim is only filtered and not blocked
-        repost_tx3 = self.get_repost(claim3.claim_id, COIN, filtering_channel)
-        repost3 = repost_tx3[0].outputs[0]
-        self.advance(5, [repost_tx3])
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.blocked_streams)
-        )
-        self.assertEqual(
-            {repost2.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.blocked_channels)
-        )
-        self.assertEqual(
-            {repost1.claim.repost.reference.claim_hash: blocking_channel.claim_hash,
-            repost3.claim.repost.reference.claim_hash: filtering_channel.claim_hash},
-            dict(self.sql.filtered_streams)
-        )
-        self.assertEqual(
-            {repost2.claim.repost.reference.claim_hash: blocking_channel.claim_hash},
-            dict(self.sql.filtered_channels)
-        )
-
-        # filtered claim doesn't return in search but is resolveable
-        results, censor = censored_search(text='Claim')
-        self.assertEqual(0, len(results))
-        self.assertEqual(3, censor.total)
-        self.assertEqual({blocking_channel.claim_hash: 2, filtering_channel.claim_hash: 1}, censor.censored)
-        results, _ = reader.resolve([claim3.claim_name])  # claim3 still resolved
-        self.assertEqual(claim3.claim_hash, results[0]['claim_hash'])
-
-        # abandon unblocks content
-        self.advance(6, [
-            self.get_abandon(repost_tx1),
-            self.get_abandon(repost_tx2),
-            self.get_abandon(repost_tx3)
-        ])
-        self.assertEqual({}, dict(self.sql.blocked_streams))
-        self.assertEqual({}, dict(self.sql.blocked_channels))
-        self.assertEqual({}, dict(self.sql.filtered_streams))
-        self.assertEqual({}, dict(self.sql.filtered_channels))
-        results, censor = censored_search(text='Claim')
-        self.assertEqual(3, len(results))
-        self.assertEqual(0, censor.total)
-        results, censor = censored_search()
-        self.assertEqual(6, len(results))
-        self.assertEqual(0, censor.total)
-        results, _ = reader.resolve([
-            claim1.claim_name, claim2.claim_name,
-            claim3.claim_name, regular_channel.claim_name
-        ])
-        self.assertEqual(claim1.claim_hash, results[0]['claim_hash'])
-        self.assertEqual(claim2.claim_hash, results[1]['claim_hash'])
-        self.assertEqual(claim3.claim_hash, results[2]['claim_hash'])
-        self.assertEqual(regular_channel.claim_hash, results[3]['claim_hash'])
-
-    def test_pagination(self):
-        one, two, three, four, five, six, seven, filter_channel = self.advance(1, [
-            self.get_stream('One', COIN),
-            self.get_stream('Two', COIN),
-            self.get_stream('Three', COIN),
-            self.get_stream('Four', COIN),
-            self.get_stream('Five', COIN),
-            self.get_stream('Six', COIN),
-            self.get_stream('Seven', COIN),
-            self.get_channel('Filtering Channel', COIN, '@filter'),
-        ])
-        self.sql.filtering_channel_hashes.add(filter_channel.claim_hash)
-
-        # nothing filtered
-        results, censor = censored_search(order_by='^height', offset=1, limit=3)
-        self.assertEqual(3, len(results))
-        self.assertEqual(
-            [two.claim_hash, three.claim_hash, four.claim_hash],
-            [r['claim_hash'] for r in results]
-        )
-        self.assertEqual(0, censor.total)
-
-        # content filtered
-        repost1, repost2 = self.advance(2, [
-            self.get_repost(one.claim_id, COIN, filter_channel),
-            self.get_repost(two.claim_id, COIN, filter_channel),
-        ])
-        results, censor = censored_search(order_by='^height', offset=1, limit=3)
-        self.assertEqual(3, len(results))
-        self.assertEqual(
-            [four.claim_hash, five.claim_hash, six.claim_hash],
-            [r['claim_hash'] for r in results]
-        )
-        self.assertEqual(2, censor.total)
-        self.assertEqual({filter_channel.claim_hash: 2}, censor.censored)