376 lines
15 KiB
Python
376 lines
15 KiB
Python
from datetime import datetime
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import operator
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import json
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import logging
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import pprint
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import requests
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from .. import exceptions
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from ..account import Account
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from ..address import address, Address, SubAddress
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from ..numbers import from_atomic, to_atomic, PaymentID
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from ..seed import Seed
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from ..transaction import Transaction, IncomingPayment, OutgoingPayment
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_log = logging.getLogger(__name__)
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class JSONRPCDaemon(object):
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"""
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JSON RPC backend for Monero daemon
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:param protocol: `http` or `https`
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:param host: host name or IP
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:param port: port number
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:param path: path for JSON RPC requests (should not be changed)
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"""
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def __init__(self, protocol='http', host='127.0.0.1', port=18081, path='/json_rpc', user='', password=''):
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self.url = '{protocol}://{host}:{port}'.format(
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protocol=protocol,
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host=host,
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port=port)
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_log.debug("JSONRPC daemon backend URL: {url}".format(url=self.url))
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self.user = user
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self.password = password
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def info(self):
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info = self.raw_jsonrpc_request('get_info')
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return info
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def send_transaction(self, blob, relay=True):
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res = self.raw_request('/sendrawtransaction', {
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'tx_as_hex': blob,
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'do_not_relay': not relay})
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if res['status'] == 'OK':
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return res
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raise exceptions.TransactionBroadcastError(
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"{status}: {reason}".format(**res),
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details=res)
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def mempool(self):
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res = self.raw_request('/get_transaction_pool', {})
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txs = []
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for tx in res.get('transactions', []):
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txs.append(Transaction(
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hash=tx['id_hash'],
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fee=from_atomic(tx['fee']),
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timestamp=datetime.fromtimestamp(tx['receive_time'])))
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return txs
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def raw_request(self, path, data):
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hdr = {'Content-Type': 'application/json'}
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_log.debug(u"Request: {path}\nData: {data}".format(
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path=path,
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data=pprint.pformat(data)))
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rsp = requests.post(self.url + path, headers=hdr, data=json.dumps(data))
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if rsp.status_code != 200:
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raise RPCError("Invalid HTTP status {code} for path {path}.".format(
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code=rsp.status_code,
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path=path))
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result = rsp.json()
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_ppresult = pprint.pformat(result)
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_log.debug(u"Result:\n{result}".format(result=_ppresult))
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return result
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def raw_jsonrpc_request(self, method, params=None):
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hdr = {'Content-Type': 'application/json'}
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data = {'jsonrpc': '2.0', 'id': 0, 'method': method, 'params': params or {}}
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_log.debug(u"Method: {method}\nParams:\n{params}".format(
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method=method,
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params=pprint.pformat(params)))
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auth = requests.auth.HTTPDigestAuth(self.user, self.password)
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rsp = requests.post(self.url + '/json_rpc', headers=hdr, data=json.dumps(data), auth=auth)
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if rsp.status_code == 401:
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raise Unauthorized("401 Unauthorized. Invalid RPC user name or password.")
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elif rsp.status_code != 200:
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raise RPCError("Invalid HTTP status {code} for method {method}.".format(
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code=rsp.status_code,
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method=method))
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result = rsp.json()
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_ppresult = pprint.pformat(result)
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_log.debug(u"Result:\n{result}".format(result=_ppresult))
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if 'error' in result:
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err = result['error']
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_log.error(u"JSON RPC error:\n{result}".format(result=_ppresult))
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raise RPCError(
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"Method '{method}' failed with RPC Error of unknown code {code}, "
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"message: {message}".format(method=method, data=data, result=result, **err))
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return result['result']
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class JSONRPCWallet(object):
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"""
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JSON RPC backend for Monero wallet (``monero-wallet-rpc``)
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:param protocol: `http` or `https`
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:param host: host name or IP
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:param port: port number
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:param path: path for JSON RPC requests (should not be changed)
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:param user: username to authenticate with over RPC
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:param password: password to authenticate with over RPC
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"""
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_master_address = None
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_addresses = None
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def __init__(self, protocol='http', host='127.0.0.1', port=18088, path='/json_rpc', user='', password=''):
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self.url = '{protocol}://{host}:{port}/json_rpc'.format(
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protocol=protocol,
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host=host,
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port=port)
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_log.debug("JSONRPC wallet backend URL: {url}".format(url=self.url))
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self.user = user
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self.password = password
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_log.debug("JSONRPC wallet backend auth: '{user}'/'{stars}'".format(
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user=user, stars=('*' * len(password)) if password else ''))
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def height(self):
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return self.raw_request('getheight')['height']
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def spend_key(self):
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# NOTE: This will fail on 0.11.x, the method was missing
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return self.raw_request('query_key', {'key_type': 'spend_key'})['key']
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def view_key(self):
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return self.raw_request('query_key', {'key_type': 'view_key'})['key']
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def seed(self):
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return Seed(self.raw_request('query_key', {'key_type': 'mnemonic'})['key'])
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def accounts(self):
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accounts = []
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try:
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_accounts = self.raw_request('get_accounts', squelch_error_logging=True)
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except MethodNotFound:
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# monero <= 0.11 : there's only one account and one address
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_log.debug('Monero <= 0.11 found, no accounts')
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self._master_address = self.addresses()[0]
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return [Account(self, 0)]
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idx = 0
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self._master_address = Address(_accounts['subaddress_accounts'][0]['base_address'])
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for _acc in _accounts['subaddress_accounts']:
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assert idx == _acc['account_index']
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accounts.append(Account(self, _acc['account_index']))
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idx += 1
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return accounts
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def new_account(self, label=None):
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_account = self.raw_request('create_account', {'label': label})
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return Account(self, _account['account_index']), SubAddress(_account['address'])
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def addresses(self, account=0):
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_addresses = self.raw_request('getaddress', {'account_index': account})
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if 'addresses' not in _addresses:
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# monero <= 0.11
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_log.debug('Monero <= 0.11 found, assuming single address')
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return [Address(_addresses['address'])]
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addresses = [None] * (max(map(operator.itemgetter('address_index'), _addresses['addresses'])) + 1)
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for _addr in _addresses['addresses']:
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addresses[_addr['address_index']] = address(
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_addr['address'],
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label=_addr.get('label', None))
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return addresses
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def new_address(self, account=0, label=None):
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_address = self.raw_request(
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'create_address', {'account_index': account, 'label': label})
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return SubAddress(_address['address'])
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def balances(self, account=0):
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_balance = self.raw_request('getbalance', {'account_index': account})
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return (from_atomic(_balance['balance']), from_atomic(_balance['unlocked_balance']))
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def transfers_in(self, account, pmtfilter):
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params = {'account_index': account, 'pending': False}
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method = 'get_transfers'
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if pmtfilter.unconfirmed:
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params['in'] = pmtfilter.confirmed
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params['out'] = False
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params['pool'] = True
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else:
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if pmtfilter.payment_ids:
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method = 'get_bulk_payments'
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params['payment_ids'] = list(map(str, pmtfilter.payment_ids))
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else:
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params['in'] = pmtfilter.confirmed
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params['out'] = False
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params['pool'] = False
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if method == 'get_transfers':
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arg = 'in'
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if pmtfilter.min_height:
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# NOTE: the API uses (min, max] range which is confusing
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params['min_height'] = pmtfilter.min_height - 1
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params['filter_by_height'] = True
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if pmtfilter.max_height:
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params['max_height'] = pmtfilter.max_height
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params['filter_by_height'] = True
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# PR#3235 makes the following obsolete
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# CRYPTONOTE_MAX_BLOCK_NUMBER = 500000000
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params['max_height'] = params.get('max_height', 500000000)
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else:
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arg = 'payments'
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# NOTE: the API uses (min, max] range which is confusing
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params['min_block_height'] = (pmtfilter.min_height or 1) - 1
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_pmts = self.raw_request(method, params)
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pmts = _pmts.get(arg, [])
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if pmtfilter.unconfirmed:
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pmts.extend(_pmts.get('pool', []))
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return list(pmtfilter.filter(map(self._inpayment, pmts)))
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def transfers_out(self, account, pmtfilter):
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_pmts = self.raw_request('get_transfers', {
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'account_index': account,
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'in': False,
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'out': pmtfilter.confirmed,
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'pool': False,
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'pending': pmtfilter.unconfirmed})
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pmts = _pmts.get('out', [])
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if pmtfilter.unconfirmed:
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pmts.extend(_pmts.get('pending', []))
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return list(pmtfilter.filter(map(self._outpayment, pmts)))
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def _paymentdict(self, data):
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pid = data.get('payment_id', None)
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laddr = data.get('address', None)
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if laddr:
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laddr = address(laddr)
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result = {
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'payment_id': None if pid is None else PaymentID(pid),
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'amount': from_atomic(data['amount']),
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'timestamp': datetime.fromtimestamp(data['timestamp']) if 'timestamp' in data else None,
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'note': data.get('note', None),
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'transaction': self._tx(data),
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'local_address': laddr,
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}
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if 'destinations' in data:
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result['destinations'] = [
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(address(x['address']), from_atomic(x['amount']))
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for x in data.get('destinations')
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]
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return result
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def _inpayment(self, data):
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return IncomingPayment(**self._paymentdict(data))
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def _outpayment(self, data):
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return OutgoingPayment(**self._paymentdict(data))
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def _tx(self, data):
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return Transaction(**{
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'hash': data.get('txid', data.get('tx_hash')),
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'fee': from_atomic(data['fee']) if 'fee' in data else None,
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'key': data.get('key'),
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'height': data.get('height', data.get('block_height')) or None,
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'timestamp': datetime.fromtimestamp(data['timestamp']) if 'timestamp' in data else None,
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'blob': data.get('blob', None),
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'confirmations': data.get('confirmations', None)
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})
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def export_outputs(self):
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return self.raw_request('export_outputs')['outputs_data_hex']
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def import_outputs(self, outputs_hex):
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return self.raw_request(
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'import_outputs',
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{'outputs_data_hex': outputs_hex})['num_imported']
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def export_key_images(self):
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return self.raw_request('export_key_images')['signed_key_images']
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def import_key_images(self, key_images):
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_data = self.raw_request(
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'import_key_images',
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{'signed_key_images': key_images})
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return (_data['height'], from_atomic(_data['spent']), from_atomic(_data['unspent']))
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def transfer(self, destinations, priority,
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payment_id=None, unlock_time=0, account=0,
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relay=True):
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data = {
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'account_index': account,
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'destinations': list(map(
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lambda dst: {'address': str(address(dst[0])), 'amount': to_atomic(dst[1])},
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destinations)),
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'priority': priority,
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'unlock_time': 0,
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'get_tx_keys': True,
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'get_tx_hex': True,
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'new_algorithm': True,
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'do_not_relay': not relay,
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}
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if payment_id is not None:
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data['payment_id'] = str(PaymentID(payment_id))
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_transfers = self.raw_request('transfer_split', data)
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_pertx = [dict(_tx) for _tx in map(
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lambda vs: zip(('txid', 'amount', 'fee', 'key', 'blob', 'payment_id'), vs),
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zip(*[_transfers[k] for k in (
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'tx_hash_list', 'amount_list', 'fee_list', 'tx_key_list', 'tx_blob_list')]))]
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for d in _pertx:
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d['payment_id'] = payment_id
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return [self._tx(data) for data in _pertx]
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def raw_request(self, method, params=None, squelch_error_logging=False):
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hdr = {'Content-Type': 'application/json'}
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data = {'jsonrpc': '2.0', 'id': 0, 'method': method, 'params': params or {}}
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_log.debug(u"Method: {method}\nParams:\n{params}".format(
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method=method,
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params=pprint.pformat(params)))
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auth = requests.auth.HTTPDigestAuth(self.user, self.password)
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rsp = requests.post(self.url, headers=hdr, data=json.dumps(data), auth=auth)
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if rsp.status_code == 401:
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raise Unauthorized("401 Unauthorized. Invalid RPC user name or password.")
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elif rsp.status_code != 200:
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raise RPCError("Invalid HTTP status {code} for method {method}.".format(
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code=rsp.status_code,
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method=method))
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result = rsp.json()
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_ppresult = pprint.pformat(result)
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_log.debug(u"Result:\n{result}".format(result=_ppresult))
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if 'error' in result:
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err = result['error']
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if not squelch_error_logging:
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_log.error(u"JSON RPC error:\n{result}".format(result=_ppresult))
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# XXX: workaround for 0.11 bug throwing a wrong error code
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if err['code'] == -4 and 'not enough money' in err['message']:
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raise exceptions.NotEnoughMoney(err['message'])
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#
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if err['code'] in _err2exc:
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raise _err2exc[err['code']](err['message'])
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else:
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raise RPCError(
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"Method '{method}' failed with RPC Error of unknown code {code}, "
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"message: {message}".format(method=method, data=data, result=result, **err))
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return result['result']
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class RPCError(exceptions.BackendException):
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pass
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class Unauthorized(RPCError):
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pass
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class MethodNotFound(RPCError):
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pass
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_err2exc = {
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-2: exceptions.WrongAddress,
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-5: exceptions.WrongPaymentId,
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-8: exceptions.TransactionNotFound,
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-9: exceptions.SignatureCheckFailed,
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-16: exceptions.TransactionNotPossible,
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-17: exceptions.NotEnoughMoney,
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-20: exceptions.AmountIsZero,
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-37: exceptions.NotEnoughUnlockedMoney,
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-38: exceptions.NoDaemonConnection,
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-43: exceptions.WalletIsNotDeterministic, # https://github.com/monero-project/monero/pull/4653
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-32601: MethodNotFound,
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}
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