merged channel and content syncs and no longer storing canonical_url in column
This commit is contained in:
parent
09a2b2fa46
commit
e63151a370
6 changed files with 80 additions and 161 deletions
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@ -1,5 +1,5 @@
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import logging
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from typing import Tuple, Union
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from typing import Tuple
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from sqlalchemy import case, func, desc, text
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from sqlalchemy.future import select
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@ -8,12 +8,12 @@ from lbry.db.queries.txio import (
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minimum_txo_columns, row_to_txo,
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where_unspent_txos, where_claims_with_changed_supports,
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count_unspent_txos, where_channels_with_changed_content,
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where_abandoned_claims
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where_abandoned_claims, count_channels_with_changed_content
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)
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from lbry.db.query_context import ProgressContext, event_emitter
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from lbry.db.tables import TX, TXO, Claim, Support, pg_add_claim_constraints_and_indexes
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from lbry.db.utils import least
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from lbry.db.constants import TXO_TYPES
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from lbry.db.constants import TXO_TYPES, CLAIM_TYPE_CODES
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from lbry.blockchain.transaction import Output
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from .context import get_or_initialize_lbrycrd
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@ -64,26 +64,15 @@ def make_label(action, blocks):
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def select_claims_for_saving(
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txo_types: Union[int, Tuple[int, ...]],
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blocks: Tuple[int, int],
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missing_in_claims_table=False,
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missing_or_stale_in_claims_table=False,
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):
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select_claims = select(
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channel_txo = TXO.alias('channel_txo')
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return select(
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*minimum_txo_columns, TXO.c.claim_hash,
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staked_support_amount_calc(TXO).label('staked_support_amount'),
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staked_support_count_calc(TXO).label('staked_support_count')
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).where(
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where_unspent_txos(
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txo_types, blocks,
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missing_in_claims_table=missing_in_claims_table,
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missing_or_stale_in_claims_table=missing_or_stale_in_claims_table,
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)
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).select_from(TXO.join(TX))
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if txo_types != TXO_TYPES['channel']:
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channel_txo = TXO.alias('channel_txo')
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return (
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select_claims.add_columns(
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staked_support_count_calc(TXO).label('staked_support_count'),
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TXO.c.signature, TXO.c.signature_digest,
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case([(
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TXO.c.channel_hash.isnot(None),
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@ -93,29 +82,27 @@ def select_claims_for_saving(
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(channel_txo.c.height <= TXO.c.height)
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).order_by(desc(channel_txo.c.height)).limit(1).scalar_subquery()
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)]).label('channel_public_key')
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).where(
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where_unspent_txos(
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CLAIM_TYPE_CODES, blocks,
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missing_in_claims_table=missing_in_claims_table,
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missing_or_stale_in_claims_table=missing_or_stale_in_claims_table,
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)
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)
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return select_claims
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).select_from(TXO.join(TX))
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def row_to_claim_for_saving(row) -> Tuple[Output, dict]:
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txo = row_to_txo(row)
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extra = {
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return row_to_txo(row), {
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'staked_support_amount': int(row.staked_support_amount),
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'staked_support_count': int(row.staked_support_count),
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}
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if hasattr(row, 'signature'):
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extra.update({
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'signature': row.signature,
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'signature_digest': row.signature_digest,
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'channel_public_key': row.channel_public_key
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})
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return txo, extra
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}
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@event_emitter("blockchain.sync.claims.insert", "claims")
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def claims_insert(
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txo_types: Union[int, Tuple[int, ...]],
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blocks: Tuple[int, int],
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missing_in_claims_table: bool,
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p: ProgressContext
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@ -124,23 +111,21 @@ def claims_insert(
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p.start(
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count_unspent_txos(
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txo_types, blocks,
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CLAIM_TYPE_CODES, blocks,
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missing_in_claims_table=missing_in_claims_table,
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), progress_id=blocks[0], label=make_label("add claims at", blocks)
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)
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channel_url_cache = {}
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with p.ctx.engine.connect().execution_options(stream_results=True) as c:
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loader = p.ctx.get_bulk_loader()
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cursor = c.execute(select_claims_for_saving(
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txo_types, blocks, missing_in_claims_table=missing_in_claims_table
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blocks, missing_in_claims_table=missing_in_claims_table
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).order_by(TXO.c.claim_hash))
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for rows in cursor.partitions(900):
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claim_metadata = chain.db.sync_get_claim_metadata(
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claim_hashes=[row['claim_hash'] for row in rows]
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)
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i, txos_w_extra, unknown_channel_urls, txos_wo_channel_url = 0, [], set(), []
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i = 0
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for row in rows:
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metadata = claim_metadata[i] if i < len(claim_metadata) else None
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if metadata is None:
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@ -157,37 +142,12 @@ def claims_insert(
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'expiration_height': metadata['expiration_height'],
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'takeover_height': metadata['takeover_height'],
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})
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txos_w_extra.append((txo, extra))
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set_or_add_to_url_lookup(
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channel_url_cache, txo, extra, unknown_channel_urls, txos_wo_channel_url
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)
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perform_url_lookup(chain, channel_url_cache, unknown_channel_urls, txos_wo_channel_url)
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for txo, extra in txos_w_extra:
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loader.add_claim(txo, **extra)
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if len(loader.claims) >= 25_000:
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p.add(loader.flush(Claim))
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p.add(loader.flush(Claim))
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def set_or_add_to_url_lookup(cache: dict, txo: Output, extra: dict, to_lookup: set, to_set: list):
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claim = txo.can_decode_claim
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if claim and claim.is_signed:
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if claim.signing_channel_hash not in cache:
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to_lookup.add(claim.signing_channel_hash)
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to_set.append((claim.signing_channel_hash, extra))
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else:
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extra['channel_url'] = cache[claim.signing_channel_hash]
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def perform_url_lookup(chain, cache, to_lookup: set, to_set: list):
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if to_lookup:
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channels = chain.db.sync_get_claim_metadata(claim_hashes=list(to_lookup))
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for channel in channels:
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cache[channel['claim_hash']] = channel['short_url']
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for channel_hash, extra in to_set:
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extra['channel_url'] = cache.get(channel_hash)
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@event_emitter("blockchain.sync.claims.indexes", "steps")
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def claims_constraints_and_indexes(p: ProgressContext):
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p.start(2)
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@ -202,27 +162,18 @@ def claims_constraints_and_indexes(p: ProgressContext):
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@event_emitter("blockchain.sync.claims.update", "claims")
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def claims_update(txo_types: Union[int, Tuple[int, ...]], blocks: Tuple[int, int], p: ProgressContext):
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def claims_update(blocks: Tuple[int, int], p: ProgressContext):
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p.start(
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count_unspent_txos(txo_types, blocks, missing_or_stale_in_claims_table=True),
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count_unspent_txos(CLAIM_TYPE_CODES, blocks, missing_or_stale_in_claims_table=True),
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progress_id=blocks[0], label=make_label("update claims at", blocks)
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)
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chain = get_or_initialize_lbrycrd(p.ctx)
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with p.ctx.engine.connect().execution_options(stream_results=True) as c:
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loader = p.ctx.get_bulk_loader()
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cursor = c.execute(select_claims_for_saving(
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txo_types, blocks, missing_or_stale_in_claims_table=True
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blocks, missing_or_stale_in_claims_table=True
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))
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channel_url_cache = {}
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for row in cursor:
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txo, extra = row_to_claim_for_saving(row)
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claim = txo.can_decode_claim
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if claim and claim.is_signed:
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if claim.signing_channel_hash not in channel_url_cache:
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channels = chain.db.sync_get_claim_metadata(claim_hashes=[claim.signing_channel_hash])
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if channels:
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channel_url_cache[channels[0]['claim_hash']] = channels[0]['short_url']
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extra['channel_url'] = channel_url_cache.get(claim.signing_channel_hash)
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loader.update_claim(txo, **extra)
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if len(loader.update_claims) >= 500:
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p.add(loader.flush(Claim))
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@ -276,15 +227,18 @@ def update_stakes(blocks: Tuple[int, int], claims: int, p: ProgressContext):
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@event_emitter("blockchain.sync.claims.channels", "channels")
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def update_channel_stats(blocks: Tuple[int, int], initial_sync: int, channels: int, p: ProgressContext):
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p.start(channels, label="channel stats")
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def update_channel_stats(blocks: Tuple[int, int], initial_sync: int, p: ProgressContext):
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update_sql = Claim.update().values(
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signed_claim_count=channel_content_count_calc(Claim.alias('content')),
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signed_support_count=channel_content_count_calc(Support),
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)
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if initial_sync:
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p.start(p.ctx.fetchtotal(Claim.c.claim_type == TXO_TYPES['channel']), label="channel stats")
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update_sql = update_sql.where(Claim.c.claim_type == TXO_TYPES['channel'])
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else:
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elif blocks:
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p.start(count_channels_with_changed_content(blocks), label="channel stats")
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update_sql = update_sql.where(where_channels_with_changed_content(blocks))
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else:
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return
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result = p.ctx.execute(update_sql)
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p.step(result.rowcount)
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@ -5,7 +5,7 @@ from typing import Optional, Tuple, Set, List, Coroutine
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from lbry.db import Database
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from lbry.db import queries as q
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from lbry.db.constants import TXO_TYPES, CONTENT_TYPE_CODES
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from lbry.db.constants import TXO_TYPES, CLAIM_TYPE_CODES
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from lbry.db.query_context import Event, Progress
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from lbry.event import BroadcastSubscription
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from lbry.service.base import Sync, BlockEvent
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@ -187,72 +187,43 @@ class BlockchainSync(Sync):
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start_height=blocks[0], end_height=blocks[-1]
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)
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async def sync_claims(self, blocks):
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total = delete_claims = takeovers = claims_with_changed_supports = 0
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async def sync_claims(self, blocks) -> bool:
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delete_claims = takeovers = claims_with_changed_supports = 0
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initial_sync = not await self.db.has_claims()
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with Progress(self.db.message_queue, CLAIMS_INIT_EVENT) as p:
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if initial_sync:
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p.start(2)
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# 1. distribute channel insertion load
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channels, channel_batches = await self.distribute_unspent_txos(TXO_TYPES['channel'])
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channels_with_changed_content = channels
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total += channels + channels_with_changed_content
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p.step()
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# 2. distribute content insertion load
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content, content_batches = await self.distribute_unspent_txos(CONTENT_TYPE_CODES)
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total += content
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p.step()
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total, batches = await self.distribute_unspent_txos(CLAIM_TYPE_CODES)
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elif blocks:
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p.start(6)
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# 1. channel claims to be inserted or updated
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channels = await self.count_unspent_txos(
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TXO_TYPES['channel'], blocks, missing_or_stale_in_claims_table=True
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p.start(4)
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# 1. content claims to be inserted or updated
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total = await self.count_unspent_txos(
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CLAIM_TYPE_CODES, blocks, missing_or_stale_in_claims_table=True
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)
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channel_batches = [blocks] if channels else []
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total += channels
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batches = [blocks] if total else []
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p.step()
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# 2. content claims to be inserted or updated
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content = await self.count_unspent_txos(
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CONTENT_TYPE_CODES, blocks, missing_or_stale_in_claims_table=True
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)
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content_batches = [blocks] if content else []
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total += content
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p.step()
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# 3. claims to be deleted
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# 2. claims to be deleted
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delete_claims = await self.count_abandoned_claims()
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total += delete_claims
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p.step()
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# 4. claims to be updated with new support totals
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# 3. claims to be updated with new support totals
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claims_with_changed_supports = await self.count_claims_with_changed_supports(blocks)
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total += claims_with_changed_supports
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p.step()
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# 5. channels to be updated with changed content totals
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channels_with_changed_content = await self.count_channels_with_changed_content(blocks)
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total += channels_with_changed_content
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p.step()
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# 6. claims to be updated due to name takeovers
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# 5. claims to be updated due to name takeovers
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takeovers = await self.count_takeovers(blocks)
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total += takeovers
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p.step()
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else:
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return
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return initial_sync
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with Progress(self.db.message_queue, CLAIMS_MAIN_EVENT) as p:
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p.start(total)
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insertions = [
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(TXO_TYPES['channel'], channel_batches),
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(CONTENT_TYPE_CODES, content_batches),
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]
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for txo_type, batches in insertions:
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if batches:
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await self.run_tasks([
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self.db.run(
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claim_phase.claims_insert, txo_type, batch, not initial_sync
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) for batch in batches
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self.db.run(claim_phase.claims_insert, batch, not initial_sync) for batch in batches
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])
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if not initial_sync:
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await self.run_tasks([
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self.db.run(claim_phase.claims_update, txo_type, batch)
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for batch in batches
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self.db.run(claim_phase.claims_update, batch) for batch in batches
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])
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if delete_claims:
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await self.db.run(claim_phase.claims_delete, delete_claims)
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@ -262,8 +233,7 @@ class BlockchainSync(Sync):
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await self.db.run(claim_phase.update_stakes, blocks, claims_with_changed_supports)
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if initial_sync:
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await self.db.run(claim_phase.claims_constraints_and_indexes)
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if channels_with_changed_content:
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return initial_sync, channels_with_changed_content
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return initial_sync
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async def sync_supports(self, blocks):
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delete_supports = 0
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@ -298,11 +268,8 @@ class BlockchainSync(Sync):
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if initial_sync:
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await self.db.run(support_phase.supports_constraints_and_indexes)
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async def sync_channel_stats(self, blocks, initial_sync, channels_with_changed_content):
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if channels_with_changed_content:
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await self.db.run(
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claim_phase.update_channel_stats, blocks, initial_sync, channels_with_changed_content
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)
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async def sync_channel_stats(self, blocks, initial_sync):
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await self.db.run(claim_phase.update_channel_stats, blocks, initial_sync)
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async def sync_trends(self):
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pass
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@ -312,10 +279,9 @@ class BlockchainSync(Sync):
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sync_filters_task = asyncio.create_task(self.sync_filters())
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sync_trends_task = asyncio.create_task(self.sync_trends())
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await self.sync_spends(blocks_added)
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channel_stats = await self.sync_claims(blocks_added)
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initial_claim_sync = await self.sync_claims(blocks_added)
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await self.sync_supports(blocks_added)
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if channel_stats:
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await self.sync_channel_stats(blocks_added, *channel_stats)
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await self.sync_channel_stats(blocks_added, initial_claim_sync)
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await sync_trends_task
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await sync_filters_task
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if blocks_added:
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|
|
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@ -4,7 +4,7 @@ from decimal import Decimal
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from binascii import unhexlify
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from typing import Tuple, List, Optional
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from sqlalchemy import func
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from sqlalchemy import func, case
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from sqlalchemy.future import select, Select
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from lbry.schema.tags import clean_tags
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@ -56,6 +56,7 @@ def search_support_count(**constraints) -> int:
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return count[0]['total'] or 0
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channel_claim = Claim.alias('channel')
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BASE_SELECT_CLAIM_COLUMNS = BASE_SELECT_TXO_COLUMNS + [
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Claim.c.activation_height,
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Claim.c.takeover_height,
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@ -64,15 +65,19 @@ BASE_SELECT_CLAIM_COLUMNS = BASE_SELECT_TXO_COLUMNS + [
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Claim.c.channel_hash,
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Claim.c.reposted_claim_hash,
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Claim.c.short_url,
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Claim.c.canonical_url,
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Claim.c.signed_claim_count,
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Claim.c.signed_support_count,
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(Claim.c.amount + Claim.c.staked_support_amount).label('staked_amount'),
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Claim.c.staked_support_amount,
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Claim.c.staked_support_count,
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Claim.c.is_signature_valid,
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case([(
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channel_claim.c.short_url.isnot(None),
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channel_claim.c.short_url + '/' + Claim.c.short_url
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)]).label('canonical_url'),
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]
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def select_claims(cols: List = None, for_count=False, **constraints) -> Select:
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if cols is None:
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cols = BASE_SELECT_CLAIM_COLUMNS
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@ -203,8 +208,14 @@ def select_claims(cols: List = None, for_count=False, **constraints) -> Select:
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# TODO: fix
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constraints["search"] = constraints.pop("text")
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joins = Claim.join(TXO).join(TX)
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return query([Claim], select(*cols).select_from(joins), **constraints)
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return query(
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[Claim],
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select(*cols)
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.select_from(
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Claim.join(TXO).join(TX)
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.join(channel_claim, Claim.c.channel_hash == channel_claim.c.claim_hash, isouter=True)
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), **constraints
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)
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def search_claims(**constraints) -> Tuple[List[Output], Optional[int], Optional[Censor]]:
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@ -226,6 +237,8 @@ def search_claim_count(**constraints) -> int:
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constraints.pop('order_by', None)
|
||||
count = context().fetchall(select_claims([func.count().label('total')], **constraints))
|
||||
return count[0]['total'] or 0
|
||||
|
||||
|
||||
CLAIM_HASH_OR_REPOST_HASH_SQL = f"""
|
||||
CASE WHEN claim.claim_type = {TXO_TYPES['repost']}
|
||||
THEN claim.reposted_claim_hash
|
||||
|
|
|
@ -612,7 +612,7 @@ class BulkLoader:
|
|||
def add_claim(
|
||||
self, txo: Output, short_url: str,
|
||||
creation_height: int, activation_height: int, expiration_height: int,
|
||||
takeover_height: int = None, channel_url: str = None, **extra
|
||||
takeover_height: int = None, **extra
|
||||
):
|
||||
try:
|
||||
claim_name = txo.claim_name.replace('\x00', '')
|
||||
|
@ -630,18 +630,13 @@ class BulkLoader:
|
|||
d['expiration_height'] = expiration_height
|
||||
d['takeover_height'] = takeover_height
|
||||
d['is_controlling'] = takeover_height is not None
|
||||
if d['is_signature_valid'] and channel_url is not None:
|
||||
d['canonical_url'] = channel_url + '/' + short_url
|
||||
else:
|
||||
d['canonical_url'] = None
|
||||
self.claims.append(d)
|
||||
self.tags.extend(tags)
|
||||
return self
|
||||
|
||||
def update_claim(self, txo: Output, channel_url: str = None, **extra):
|
||||
def update_claim(self, txo: Output, **extra):
|
||||
d, tags = self.claim_to_rows(txo, **extra)
|
||||
d['pk'] = txo.claim_hash
|
||||
d['channel_url'] = channel_url
|
||||
d['set_canonical_url'] = d['is_signature_valid']
|
||||
self.update_claims.append(d)
|
||||
self.delete_tags.append({'pk': txo.claim_hash})
|
||||
|
@ -656,11 +651,7 @@ class BulkLoader:
|
|||
(TXI.insert(), self.txis),
|
||||
(Claim.insert(), self.claims),
|
||||
(Tag.delete().where(Tag.c.claim_hash == bindparam('pk')), self.delete_tags),
|
||||
(Claim.update().where(Claim.c.claim_hash == bindparam('pk')).values(
|
||||
canonical_url=case([
|
||||
(bindparam('set_canonical_url'), bindparam('channel_url') + '/' + Claim.c.short_url)
|
||||
], else_=None)
|
||||
), self.update_claims),
|
||||
(Claim.update().where(Claim.c.claim_hash == bindparam('pk')), self.update_claims),
|
||||
(Tag.insert(), self.tags),
|
||||
(Support.insert(), self.supports),
|
||||
)
|
||||
|
|
|
@ -146,10 +146,10 @@ Claim = Table(
|
|||
Column('sync_height', Integer), # claim dynamic values up-to-date as of this height (eg. staked_amount)
|
||||
Column('is_controlling', Boolean),
|
||||
|
||||
# normalized#shortest-unique-claim_id
|
||||
# short_url: normalized#shortest-unique-claim_id
|
||||
Column('short_url', Text),
|
||||
# channel's-short_url/normalized#shortest-unique-claim_id-within-channel
|
||||
Column('canonical_url', Text, nullable=True),
|
||||
# canonical_url: channel's-short_url/normalized#shortest-unique-claim_id-within-channel
|
||||
# canonical_url is computed dynamically
|
||||
|
||||
Column('title', Text, nullable=True),
|
||||
Column('author', Text, nullable=True),
|
||||
|
|
|
@ -536,11 +536,6 @@ class TestMultiBlockFileSyncing(BasicBlockchainTestCase):
|
|||
(0, None, (9,), (1,), (2,), (3,), (4,), (5,), (6,), (7,), (8,), (9,))
|
||||
]
|
||||
)
|
||||
self.assertConsumingEvents(
|
||||
events, "blockchain.sync.claims.init", ("steps",), [
|
||||
(0, None, (2,), (1,), (2,))
|
||||
]
|
||||
)
|
||||
self.assertEqual(
|
||||
events.pop(0), {
|
||||
"event": "blockchain.sync.claims.main",
|
||||
|
@ -648,7 +643,7 @@ class TestMultiBlockFileSyncing(BasicBlockchainTestCase):
|
|||
)
|
||||
self.assertConsumingEvents(
|
||||
events, "blockchain.sync.claims.init", ("steps",), [
|
||||
(0, None, (6,), (1,), (2,), (3,), (4,), (5,), (6,))
|
||||
(0, None, (4,), (1,), (2,), (3,), (4,))
|
||||
]
|
||||
)
|
||||
self.assertEqual(
|
||||
|
|
Loading…
Reference in a new issue