143 lines
5.2 KiB
Python
143 lines
5.2 KiB
Python
from twisted.internet import defer
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from torba.basedatabase import BaseDatabase
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from torba.hash import TXRefImmutable
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from torba.basetransaction import TXORef
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from .certificate import Certificate
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class WalletDatabase(BaseDatabase):
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CREATE_TXO_TABLE = """
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create table if not exists txo (
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txid text references tx,
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txoid text primary key,
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address text references pubkey_address,
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position integer not null,
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amount integer not null,
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script blob not null,
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is_reserved boolean not null default 0,
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claim_id text,
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claim_name text,
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is_claim boolean not null default 0,
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is_update boolean not null default 0,
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is_support boolean not null default 0,
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is_buy boolean not null default 0,
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is_sell boolean not null default 0
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);
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"""
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CREATE_TABLES_QUERY = (
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BaseDatabase.CREATE_TX_TABLE +
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BaseDatabase.CREATE_PUBKEY_ADDRESS_TABLE +
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CREATE_TXO_TABLE +
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BaseDatabase.CREATE_TXI_TABLE
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)
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def txo_to_row(self, tx, address, txo):
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row = super().txo_to_row(tx, address, txo)
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row.update({
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'is_claim': txo.script.is_claim_name,
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'is_update': txo.script.is_update_claim,
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'is_support': txo.script.is_support_claim,
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'is_buy': txo.script.is_buy_claim,
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'is_sell': txo.script.is_sell_claim,
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})
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if txo.script.is_claim_involved:
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row['claim_id'] = txo.claim_id
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row['claim_name'] = txo.claim_name
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return row
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@defer.inlineCallbacks
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def get_certificates(self, name=None, channel_id=None, private_key_accounts=None, exclude_without_key=False):
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if name is not None:
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filter_sql = 'claim_name=?'
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filter_value = name
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elif channel_id is not None:
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filter_sql = 'claim_id=?'
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filter_value = channel_id
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else:
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raise ValueError("'name' or 'claim_id' is required")
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txos = yield self.db.runQuery(
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"""
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SELECT tx.txid, txo.position, txo.claim_id
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FROM txo JOIN tx ON tx.txid=txo.txid
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WHERE {} AND (is_claim OR is_update)
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GROUP BY txo.claim_id ORDER BY tx.height DESC, tx.position ASC;
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""".format(filter_sql), (filter_value,)
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)
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certificates = []
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# Lookup private keys for each certificate.
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if private_key_accounts is not None:
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for txid, nout, claim_id in txos:
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for account in private_key_accounts:
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private_key = account.get_certificate_private_key(
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TXORef(TXRefImmutable.from_id(txid), nout)
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)
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certificates.append(Certificate(txid, nout, claim_id, name, private_key))
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if exclude_without_key:
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return [c for c in certificates if c.private_key is not None]
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return certificates
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@defer.inlineCallbacks
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def get_claim(self, account, claim_id=None, txid=None, nout=None):
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if claim_id is not None:
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filter_sql = "claim_id=?"
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filter_value = (claim_id,)
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else:
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filter_sql = "txo.txid=? AND txo.position=?"
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filter_value = (txid, nout)
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utxos = yield self.db.runQuery(
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"""
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SELECT amount, script, txo.txid, txo.position, account
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FROM txo
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JOIN tx ON tx.txid=txo.txid
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JOIN pubkey_address ON pubkey_address.address=txo.address
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WHERE {}
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AND (is_claim OR is_update)
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AND txoid NOT IN (SELECT txoid FROM txi)
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ORDER BY tx.height DESC, tx.position ASC LIMIT 1;
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""".format(filter_sql), filter_value
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)
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output_class = account.ledger.transaction_class.output_class
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account_id = account.public_key.address
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return [
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output_class(
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values[0],
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output_class.script_class(values[1]),
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TXRefImmutable.from_id(values[2]),
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position=values[3],
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is_change=False,
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is_my_account=values[4] == account_id
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) for values in utxos
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]
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@defer.inlineCallbacks
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def get_claims(self, account):
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utxos = yield self.db.runQuery(
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"""
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SELECT amount, script, txo.txid, txo.position
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FROM txo
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JOIN tx ON tx.txid=txo.txid
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JOIN pubkey_address ON pubkey_address.address=txo.address
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WHERE (is_claim OR is_update)
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AND txoid NOT IN (SELECT txoid FROM txi)
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AND account = :account
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ORDER BY tx.height DESC, tx.position ASC;
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""", {'account': account.public_key.address}
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)
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output_class = account.ledger.transaction_class.output_class
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return [
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output_class(
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values[0],
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output_class.script_class(values[1]),
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TXRefImmutable.from_id(values[2]),
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position=values[3],
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is_change=False,
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is_my_account=True
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) for values in utxos
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]
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