575 lines
20 KiB
Python
575 lines
20 KiB
Python
import logging
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from datetime import date
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from typing import Tuple, List, Optional, Union
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from sqlalchemy import union, func, text, between, distinct
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from sqlalchemy.future import select, Select
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from ...blockchain.transaction import (
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Transaction, Output, OutputScript, TXRefImmutable
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)
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from ..tables import (
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TX, TXO, TXI, txi_join_account, txo_join_account,
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Claim, Support, AccountAddress
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)
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from ..utils import query, in_account_ids
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from ..query_context import context
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from ..constants import TXO_TYPES, CLAIM_TYPE_CODES, MAX_QUERY_VARIABLES
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log = logging.getLogger(__name__)
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minimum_txo_columns = (
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TXO.c.amount, TXO.c.position.label('txo_position'),
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TX.c.tx_hash, TX.c.height, TX.c.timestamp,
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func.substr(TX.c.raw, TXO.c.script_offset + 1, TXO.c.script_length).label('src'),
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)
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def row_to_txo(row):
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return Output(
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amount=row.amount,
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script=OutputScript(row.src),
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tx_ref=TXRefImmutable.from_hash(row.tx_hash, row.height, row.timestamp),
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position=row.txo_position,
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)
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def where_txo_type_in(txo_type: Optional[Union[tuple, int]] = None):
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if txo_type is not None:
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if isinstance(txo_type, int):
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return TXO.c.txo_type == txo_type
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assert len(txo_type) > 0
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if len(txo_type) == 1:
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return TXO.c.txo_type == txo_type[0]
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else:
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return TXO.c.txo_type.in_(txo_type)
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return TXO.c.txo_type.in_(CLAIM_TYPE_CODES)
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def where_unspent_txos(
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txo_types: Tuple[int, ...],
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blocks: Tuple[int, int] = None,
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missing_in_supports_table: bool = False,
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missing_in_claims_table: bool = False,
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missing_or_stale_in_claims_table: bool = False,
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):
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condition = where_txo_type_in(txo_types) & (TXO.c.spent_height == 0)
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if blocks is not None:
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condition &= between(TXO.c.height, *blocks)
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if missing_in_supports_table:
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condition &= TXO.c.txo_hash.notin_(select(Support.c.txo_hash))
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elif missing_or_stale_in_claims_table:
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condition &= TXO.c.txo_hash.notin_(select(Claim.c.txo_hash))
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elif missing_in_claims_table:
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condition &= TXO.c.claim_hash.notin_(select(Claim.c.claim_hash))
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return condition
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def where_abandoned_claims():
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return Claim.c.claim_hash.notin_(
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select(TXO.c.claim_hash).where(where_unspent_txos(CLAIM_TYPE_CODES))
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)
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def count_abandoned_claims():
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return context().fetchtotal(where_abandoned_claims())
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def where_abandoned_supports():
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return Support.c.txo_hash.notin_(
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select(TXO.c.txo_hash).where(where_unspent_txos(TXO_TYPES['support']))
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)
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def count_abandoned_supports():
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return context().fetchtotal(where_abandoned_supports())
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def count_unspent_txos(
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txo_types: Tuple[int, ...],
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blocks: Tuple[int, int] = None,
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missing_in_supports_table: bool = False,
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missing_in_claims_table: bool = False,
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missing_or_stale_in_claims_table: bool = False,
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):
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return context().fetchtotal(
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where_unspent_txos(
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txo_types, blocks,
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missing_in_supports_table,
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missing_in_claims_table,
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missing_or_stale_in_claims_table,
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)
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)
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def distribute_unspent_txos(
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txo_types: Tuple[int, ...],
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blocks: Tuple[int, int] = None,
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missing_in_supports_table: bool = False,
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missing_in_claims_table: bool = False,
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missing_or_stale_in_claims_table: bool = False,
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) -> Tuple[int, List[Tuple[int, int]]]:
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chunks = (
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select(func.ntile(10).over(order_by=TXO.c.height).label('chunk'), TXO.c.height)
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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_supports_table,
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missing_in_claims_table,
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missing_or_stale_in_claims_table,
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)
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).cte('chunks')
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)
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sql = (
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select(
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func.count('*').label('items'),
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func.min(chunks.c.height).label('start_height'),
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func.max(chunks.c.height).label('end_height'),
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).group_by(chunks.c.chunk).order_by(chunks.c.chunk)
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)
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total = 0
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buckets = []
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for bucket in context().fetchall(sql):
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total += bucket['items']
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if len(buckets) > 0:
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if buckets[-1][-1] == bucket['start_height']:
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if bucket['start_height'] == bucket['end_height']:
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continue
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bucket['start_height'] += 1
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buckets.append((bucket['start_height'], bucket['end_height']))
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return total, buckets
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def where_changed_support_txos(blocks: Optional[Tuple[int, int]]):
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return (
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(TXO.c.txo_type == TXO_TYPES['support']) & (
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between(TXO.c.height, blocks[0], blocks[-1]) |
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between(TXO.c.spent_height, blocks[0], blocks[-1])
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)
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)
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def where_claims_with_changed_supports(blocks: Optional[Tuple[int, int]]):
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return Claim.c.claim_hash.in_(
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select(TXO.c.claim_hash).where(
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where_changed_support_txos(blocks)
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)
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)
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def count_claims_with_changed_supports(blocks: Optional[Tuple[int, int]]) -> int:
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sql = (
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select(func.count(distinct(TXO.c.claim_hash)).label('total'))
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.where(where_changed_support_txos(blocks))
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)
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return context().fetchone(sql)['total']
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def where_changed_content_txos(blocks: Optional[Tuple[int, int]]):
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return (
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(TXO.c.channel_hash.isnot(None)) & (
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between(TXO.c.height, blocks[0], blocks[-1]) |
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between(TXO.c.spent_height, blocks[0], blocks[-1])
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)
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)
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def where_channels_with_changed_content(blocks: Optional[Tuple[int, int]]):
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return Claim.c.claim_hash.in_(
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select(TXO.c.channel_hash).where(
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where_changed_content_txos(blocks)
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)
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)
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def count_channels_with_changed_content(blocks: Optional[Tuple[int, int]]):
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sql = (
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select(func.count(distinct(TXO.c.channel_hash)).label('total'))
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.where(where_changed_content_txos(blocks))
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)
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return context().fetchone(sql)['total']
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def select_transactions(cols, account_ids=None, **constraints):
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s: Select = select(*cols).select_from(TX)
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if not {'tx_hash', 'tx_hash__in'}.intersection(constraints):
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assert account_ids, (
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"'accounts' argument required when "
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"no 'tx_hash' constraint is present"
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)
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where = in_account_ids(account_ids)
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tx_hashes = union(
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select(TXO.c.tx_hash).select_from(txo_join_account).where(where),
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select(TXI.c.tx_hash).select_from(txi_join_account).where(where)
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)
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s = s.where(TX.c.tx_hash.in_(tx_hashes))
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return context().fetchall(query([TX], s, **constraints))
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TXO_NOT_MINE = Output(None, None, is_my_output=False)
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def get_raw_transactions(tx_hashes):
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return context().fetchall(
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select(TX.c.tx_hash, TX.c.raw).where(TX.c.tx_hash.in_(tx_hashes))
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)
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def get_transactions(**constraints) -> Tuple[List[Transaction], Optional[int]]:
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txs = []
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sql = select(TX.c.raw, TX.c.height, TX.c.position).select_from(TX)
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rows = context().fetchall(query([TX], sql, **constraints))
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for row in rows:
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txs.append(Transaction(row['raw'], height=row['height'], position=row['position']))
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return txs, 0
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def _get_transactions(
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wallet=None, include_total=False, **constraints
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) -> Tuple[List[Transaction], Optional[int]]:
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include_is_my_input = constraints.pop('include_is_my_input', False)
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include_is_my_output = constraints.pop('include_is_my_output', False)
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tx_rows = select_transactions(
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[TX.c.tx_hash, TX.c.raw, TX.c.height, TX.c.position, TX.c.is_verified],
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order_by=constraints.pop('order_by', ["height=0 DESC", "height DESC", "position DESC"]),
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**constraints
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)
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txids, txs, txi_txoids = [], [], []
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for row in tx_rows:
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txids.append(row['tx_hash'])
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txs.append(Transaction(
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raw=row['raw'], height=row['height'], position=row['position'],
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is_verified=bool(row['is_verified'])
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))
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for txi in txs[-1].inputs:
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txi_txoids.append(txi.txo_ref.hash)
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annotated_txos = {}
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for offset in range(0, len(txids), MAX_QUERY_VARIABLES):
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annotated_txos.update({
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txo.id: txo for txo in
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get_txos(
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wallet=wallet,
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tx_hash__in=txids[offset:offset + MAX_QUERY_VARIABLES], order_by='txo.tx_hash',
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include_is_my_input=include_is_my_input,
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include_is_my_output=include_is_my_output,
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)[0]
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})
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referenced_txos = {}
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for offset in range(0, len(txi_txoids), MAX_QUERY_VARIABLES):
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referenced_txos.update({
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txo.id: txo for txo in
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get_txos(
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wallet=wallet,
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txo_hash__in=txi_txoids[offset:offset + MAX_QUERY_VARIABLES], order_by='txo.txo_hash',
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include_is_my_output=include_is_my_output,
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)[0]
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})
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for tx in txs:
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for txi in tx.inputs:
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txo = referenced_txos.get(txi.txo_ref.id)
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if txo:
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txi.txo_ref = txo.ref
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for txo in tx.outputs:
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_txo = annotated_txos.get(txo.id)
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if _txo:
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txo.update_annotations(_txo)
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else:
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txo.update_annotations(TXO_NOT_MINE)
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for tx in txs:
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txos = tx.outputs
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if len(txos) >= 2 and txos[1].can_decode_purchase_data:
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txos[0].purchase = txos[1]
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return txs, get_transaction_count(**constraints) if include_total else None
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def get_transaction_count(**constraints):
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constraints.pop('wallet', None)
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constraints.pop('offset', None)
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constraints.pop('limit', None)
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constraints.pop('order_by', None)
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count = select_transactions([func.count().label('total')], **constraints)
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return count[0]['total'] or 0
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BASE_SELECT_TXO_COLUMNS = [
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TX.c.tx_hash, TX.c.raw, TX.c.height, TX.c.position.label('tx_position'),
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TX.c.is_verified, TX.c.timestamp,
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TXO.c.txo_type, TXO.c.position.label('txo_position'), TXO.c.amount, TXO.c.spent_height,
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TXO.c.script_offset, TXO.c.script_length,
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]
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def select_txos(
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cols=None, account_ids=None, is_my_input=None,
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is_my_output=True, is_my_input_or_output=None, exclude_internal_transfers=False,
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include_is_my_input=False, claim_id_not_in_claim_table=None,
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txo_id_not_in_claim_table=None, txo_id_not_in_support_table=None,
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**constraints
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) -> Select:
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if cols is None:
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cols = BASE_SELECT_TXO_COLUMNS
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s: Select = select(*cols)
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if account_ids:
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my_addresses = select(AccountAddress.c.address).where(in_account_ids(account_ids))
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if is_my_input_or_output:
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include_is_my_input = True
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s = s.where(
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TXO.c.address.in_(my_addresses) | (
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(TXI.c.address.isnot(None)) &
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(TXI.c.address.in_(my_addresses))
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)
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)
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else:
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if is_my_output:
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s = s.where(TXO.c.address.in_(my_addresses))
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elif is_my_output is False:
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s = s.where(TXO.c.address.notin_(my_addresses))
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if is_my_input:
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include_is_my_input = True
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s = s.where(
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(TXI.c.address.isnot(None)) &
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(TXI.c.address.in_(my_addresses))
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)
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elif is_my_input is False:
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include_is_my_input = True
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s = s.where(
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(TXI.c.address.is_(None)) |
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(TXI.c.address.notin_(my_addresses))
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)
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if exclude_internal_transfers:
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include_is_my_input = True
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s = s.where(
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(TXO.c.txo_type != TXO_TYPES['other']) |
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(TXO.c.address.notin_(my_addresses))
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(TXI.c.address.is_(None)) |
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(TXI.c.address.notin_(my_addresses))
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)
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joins = TXO.join(TX)
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#if constraints.get('is_spent', None) is False:
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# s = s.where((TXO.c.is_spent == False) & (TXO.c.is_reserved == False))
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if include_is_my_input:
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joins = joins.join(TXI, (TXI.c.position == 0) & (TXI.c.tx_hash == TXO.c.tx_hash), isouter=True)
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if claim_id_not_in_claim_table:
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s = s.where(TXO.c.claim_hash.notin_(select(Claim.c.claim_hash)))
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elif txo_id_not_in_claim_table:
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s = s.where(TXO.c.txo_hash.notin_(select(Claim.c.txo_hash)))
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elif txo_id_not_in_support_table:
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s = s.where(TXO.c.txo_hash.notin_(select(Support.c.txo_hash)))
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return query([TXO, TX], s.select_from(joins), **constraints)
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META_ATTRS = (
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'activation_height', 'takeover_height', 'creation_height', 'staked_amount',
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'short_url', 'canonical_url', 'staked_support_amount', 'staked_support_count',
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'signed_claim_count', 'signed_support_count', 'is_signature_valid',
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)
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def rows_to_txos(rows: List[dict], include_tx=True) -> List[Output]:
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txos = []
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tx_cache = {}
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for row in rows:
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if include_tx:
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if row['tx_hash'] not in tx_cache:
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tx_cache[row['tx_hash']] = Transaction(
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row['raw'], height=row['height'], position=row['tx_position'],
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is_verified=bool(row['is_verified']),
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)
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txo = tx_cache[row['tx_hash']].outputs[row['txo_position']]
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else:
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source = row['raw'][row['script_offset']:row['script_offset']+row['script_length']]
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txo = Output(
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amount=row['amount'],
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script=OutputScript(source),
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tx_ref=TXRefImmutable.from_hash(row['tx_hash'], row['height'], row['timestamp']),
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position=row['txo_position'],
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)
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txo.spent_height = bool(row['spent_height'])
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if 'is_my_input' in row:
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txo.is_my_input = bool(row['is_my_input'])
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if 'is_my_output' in row:
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txo.is_my_output = bool(row['is_my_output'])
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if 'is_my_input' in row and 'is_my_output' in row:
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if txo.is_my_input and txo.is_my_output and row['txo_type'] == TXO_TYPES['other']:
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txo.is_internal_transfer = True
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else:
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txo.is_internal_transfer = False
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if 'received_tips' in row:
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txo.received_tips = row['received_tips']
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for attr in META_ATTRS:
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if attr in row:
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txo.meta[attr] = row[attr]
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txos.append(txo)
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return txos
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def get_txos(no_tx=False, include_total=False, **constraints) -> Tuple[List[Output], Optional[int]]:
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wallet_account_ids = constraints.pop('wallet_account_ids', [])
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include_is_my_input = constraints.get('include_is_my_input', False)
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include_is_my_output = constraints.pop('include_is_my_output', False)
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include_received_tips = constraints.pop('include_received_tips', False)
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select_columns = BASE_SELECT_TXO_COLUMNS + [
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TXO.c.claim_name
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]
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my_accounts = None
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if wallet_account_ids:
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my_accounts = select(AccountAddress.c.address).where(in_account_ids(wallet_account_ids))
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if include_is_my_output and my_accounts is not None:
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if constraints.get('is_my_output', None) in (True, False):
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select_columns.append(text(f"{1 if constraints['is_my_output'] else 0} AS is_my_output"))
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else:
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select_columns.append(TXO.c.address.in_(my_accounts).label('is_my_output'))
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if include_is_my_input and my_accounts is not None:
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if constraints.get('is_my_input', None) in (True, False):
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select_columns.append(text(f"{1 if constraints['is_my_input'] else 0} AS is_my_input"))
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else:
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select_columns.append((
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(TXI.c.address.isnot(None)) &
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(TXI.c.address.in_(my_accounts))
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).label('is_my_input'))
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if include_received_tips:
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support = TXO.alias('support')
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select_columns.append(
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select(func.coalesce(func.sum(support.c.amount), 0))
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.select_from(support).where(
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(support.c.claim_hash == TXO.c.claim_hash) &
|
|
(support.c.txo_type == TXO_TYPES['support']) &
|
|
(support.c.address.in_(my_accounts)) &
|
|
(support.c.txo_hash.notin_(select(TXI.c.txo_hash)))
|
|
).label('received_tips')
|
|
)
|
|
|
|
if 'order_by' not in constraints or constraints['order_by'] == 'height':
|
|
constraints['order_by'] = [
|
|
"tx.height=0 DESC", "tx.height DESC", "tx.position DESC", "txo.position"
|
|
]
|
|
elif constraints.get('order_by', None) == 'none':
|
|
del constraints['order_by']
|
|
|
|
rows = context().fetchall(select_txos(select_columns, **constraints))
|
|
txos = rows_to_txos(rows, not no_tx)
|
|
|
|
channel_hashes = set()
|
|
for txo in txos:
|
|
if txo.is_claim and txo.can_decode_claim:
|
|
if txo.claim.is_signed:
|
|
channel_hashes.add(txo.claim.signing_channel_hash)
|
|
|
|
if channel_hashes:
|
|
channels = {
|
|
txo.claim_hash: txo for txo in
|
|
get_txos(
|
|
txo_type=TXO_TYPES['channel'], spent_height=0,
|
|
wallet_account_ids=wallet_account_ids, claim_hash__in=channel_hashes
|
|
)[0]
|
|
}
|
|
for txo in txos:
|
|
if txo.is_claim and txo.can_decode_claim:
|
|
txo.channel = channels.get(txo.claim.signing_channel_hash, None)
|
|
|
|
return txos, get_txo_count(**constraints) if include_total else None
|
|
|
|
|
|
def _clean_txo_constraints_for_aggregation(constraints):
|
|
constraints.pop('include_is_my_input', None)
|
|
constraints.pop('include_is_my_output', None)
|
|
constraints.pop('include_received_tips', None)
|
|
constraints.pop('wallet_account_ids', None)
|
|
constraints.pop('offset', None)
|
|
constraints.pop('limit', None)
|
|
constraints.pop('order_by', None)
|
|
|
|
|
|
def get_txo_count(**constraints):
|
|
_clean_txo_constraints_for_aggregation(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 = context().fetchall(select_txos([func.sum(TXO.c.amount).label('total')], **constraints))
|
|
return result[0]['total'] or 0
|
|
|
|
|
|
def get_balance(**constraints):
|
|
return get_txo_sum(spent_height=0, **constraints)
|
|
|
|
|
|
def get_report(account_ids):
|
|
return
|
|
|
|
|
|
def get_txo_plot(start_day=None, days_back=0, end_day=None, days_after=None, **constraints):
|
|
_clean_txo_constraints_for_aggregation(constraints)
|
|
if start_day is None:
|
|
# TODO: Fix
|
|
current_ordinal = 0 # self.ledger.headers.estimated_date(self.ledger.headers.height).toordinal()
|
|
constraints['day__gte'] = current_ordinal - days_back
|
|
else:
|
|
constraints['day__gte'] = date.fromisoformat(start_day).toordinal()
|
|
if end_day is not None:
|
|
constraints['day__lte'] = date.fromisoformat(end_day).toordinal()
|
|
elif days_after is not None:
|
|
constraints['day__lte'] = constraints['day__gte'] + days_after
|
|
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]]:
|
|
accounts = constraints.pop('accounts', None)
|
|
assert accounts, "'accounts' argument required to find purchases"
|
|
if not {'purchased_claim_hash', 'purchased_claim_hash__in'}.intersection(constraints):
|
|
constraints['purchased_claim_hash__is_not_null'] = True
|
|
constraints['tx_hash__in'] = (
|
|
select(TXI.c.tx_hash).select_from(txi_join_account).where(in_account_ids(accounts))
|
|
)
|
|
txs, count = get_transactions(**constraints)
|
|
return [tx.outputs[0] for tx in txs], count
|
|
|
|
|
|
def get_supports_summary(self, **constraints):
|
|
return get_txos(
|
|
txo_type=TXO_TYPES['support'],
|
|
spent_height=0, is_my_output=True,
|
|
include_is_my_input=True,
|
|
no_tx=True,
|
|
**constraints
|
|
)
|
|
|
|
|
|
def reserve_outputs(txo_hashes, is_reserved=True):
|
|
context().execute(
|
|
TXO.update()
|
|
.values(is_reserved=is_reserved)
|
|
.where(TXO.c.txo_hash.in_(txo_hashes))
|
|
)
|
|
|
|
|
|
def release_all_outputs(account_id):
|
|
context().execute(
|
|
TXO.update().values(is_reserved=False).where(
|
|
TXO.c.is_reserved & TXO.c.address.in_(
|
|
select(AccountAddress.c.address).where(in_account_ids(account_id))
|
|
)
|
|
)
|
|
)
|