forked from LBRYCommunity/lbry-sdk
48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
# pylint: disable=singleton-comparison
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from sqlalchemy.future import select
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from .constants import CLAIM_TYPE_CODES
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from .queries import get_txos
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from .query_context import progress, Event
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from .tables import (
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TXO, TXI,
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Claim
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)
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def process_inputs(heights):
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with progress(Event.INPUT_UPDATE) as p:
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if p.ctx.is_sqlite:
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address_query = select(TXO.c.address).where(TXI.c.txo_hash == TXO.c.txo_hash)
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sql = (
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TXI.update()
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.values(address=address_query.scalar_subquery())
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.where(TXI.c.address == None)
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)
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else:
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sql = (
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TXI.update()
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.values({TXI.c.address: TXO.c.address})
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.where((TXI.c.address == None) & (TXI.c.txo_hash == TXO.c.txo_hash))
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)
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p.start(1)
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p.ctx.execute(sql)
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def process_claims(heights):
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with progress(Event.CLAIM_DELETE) as p:
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p.start(1)
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p.ctx.execute(Claim.delete())
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with progress(Event.CLAIM_UPDATE) as p:
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loader = p.ctx.get_bulk_loader()
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for claim in get_txos(
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txo_type__in=CLAIM_TYPE_CODES, is_spent=False,
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height__gte=heights[0], height__lte=heights[1])[0]:
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loader.add_claim(claim)
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loader.save()
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def process_supports(heights):
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pass
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