76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
from binascii import hexlify
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from twisted.internet import defer
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from torba.basedatabase import BaseDatabase
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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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);
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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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})
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if txo.script.is_claim_involved:
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row['claim_name'] = txo.script.values['claim_name'].decode()
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if txo.script.is_update_claim or txo.script.is_support_claim:
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row['claim_id'] = hexlify(txo.script.values['claim_id'][::-1])
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elif txo.script.is_claim_name:
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row['claim_id'] = hexlify(tx.get_claim_id(txo.position)[::-1])
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return row
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@defer.inlineCallbacks
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def get_certificates(self, name, private_key_accounts=None, exclude_without_key=False):
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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 claim_name=? AND (is_claim OR is_update)
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GROUP BY txo.claim_id ORDER BY tx.height DESC;
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""", (name,)
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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 txhash, 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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txhash, nout
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)
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certificates.append(Certificate(txhash, nout, claim_id, name, private_key))
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if exclude_without_key:
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defer.returnValue([
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c for c in certificates if c.private_key is not None
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])
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defer.returnValue(certificates)
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