from datetime import datetime import operator import json import logging import pprint import requests from .. import exceptions from ..account import Account from ..address import address, Address from ..numbers import from_atomic, to_atomic, PaymentID from ..transaction import Transaction, Payment, Transfer _log = logging.getLogger(__name__) class JSONRPCWallet(object): _master_address = None _addresses = None def __init__(self, protocol='http', host='127.0.0.1', port=18082, path='/json_rpc', user='', password=''): self.url = '{protocol}://{host}:{port}/json_rpc'.format( protocol=protocol, host=host, port=port) _log.debug("JSONRPC backend URL: {url}".format(url=self.url)) self.user = user self.password = password _log.debug("JSONRPC backend auth: '{user}'/'{stars}'".format( user=user, stars=('*' * len(password)) if password else '')) def get_accounts(self): accounts = [] try: _accounts = self.raw_request('get_accounts') except MethodNotFound: # monero <= 0.11 : there's only one account and one address _lg.debug('Monero <= 0.11 found, no accounts') self._master_address = self.get_addresses()[0] return [Account(self, 0)] idx = 0 self._master_address = Address(_accounts['subaddress_accounts'][0]['base_address']) for _acc in _accounts['subaddress_accounts']: assert idx == _acc['account_index'] accounts.append(Account(self, _acc['account_index'])) idx += 1 return accounts def get_addresses(self, account=0): _addresses = self.raw_request('getaddress', {'account_index': account}) if 'addresses' not in _addresses: # monero <= 0.11 _lg.debug('Monero <= 0.11 found, assuming single address') return [Address(_addresses['address'])] addresses = [None] * (max(map(operator.itemgetter('address_index'), _addresses['addresses'])) + 1) for _addr in _addresses['addresses']: addresses[_addr['address_index']] = address(_addr['address']) return addresses def get_balances(self, account=0): _balance = self.raw_request('getbalance', {'account_index': account}) return (from_atomic(_balance['balance']), from_atomic(_balance['unlocked_balance'])) def get_payments(self, account=0, payment_id=0): payment_id = PaymentID(payment_id) _log.debug("Getting payments for account {acc}, payment_id {pid}".format( acc=account, pid=payment_id)) _payments = self.raw_request('get_payments', { 'account_index': account, 'payment_id': str(payment_id)}) pmts = [] for tx in _payments['payments']: data = self._tx2dict(tx) # Monero <= 0.11 : no address is passed because there's only one data['local_address'] = data['local_address'] or self._master_address pmts.append(Payment(**data)) return pmts def get_transactions_in(self, account=0): _transfers = self.raw_request('get_transfers', {'account_index': account, 'in': True, 'out': False, 'pool': False}) return [Transaction(**self._tx2dict(tx)) for tx in sorted(_transfers.get('in', []), key=operator.itemgetter('timestamp'))] def get_transactions_out(self, account=0): _transfers = self.raw_request('get_transfers', {'account_index': account, 'in': False, 'out': True, 'pool': False}) return [Transaction(**self._tx2dict(tx)) for tx in sorted(_transfers.get('out', []), key=operator.itemgetter('timestamp'))] def _tx2dict(self, tx): pid = tx.get('payment_id', None) return { 'hash': tx.get('txid', tx.get('tx_hash')), 'timestamp': datetime.fromtimestamp(tx['timestamp']) if 'timestamp' in tx else None, 'amount': from_atomic(tx['amount']), 'fee': from_atomic(tx['fee']) if 'fee' in tx else None, 'height': tx.get('height', tx.get('block_height')), 'payment_id': None if pid is None else PaymentID(pid), 'note': tx.get('note'), # NOTE: address will be resolved only after PR#3010 has been merged to Monero 'local_address': address(tx['address']) if 'address' in tx else None, 'key': tx.get('key'), 'blob': tx.get('blob', None), } def transfer(self, destinations, priority, mixin, payment_id=None, unlock_time=0, account=0): data = { 'account_index': account, 'destinations': list(map( lambda dst: {'address': str(address(dst[0])), 'amount': to_atomic(dst[1])}, destinations)), 'mixin': mixin, 'priority': priority, 'unlock_time': 0, 'get_tx_keys': True, 'get_tx_hex': True, 'new_algorithm': True, } if payment_id is not None: data['payment_id'] = str(PaymentID(payment_id)) _transfers = self.raw_request('transfer_split', data) _pertx = [dict(_tx) for _tx in map( lambda vs: zip(('txid', 'amount', 'fee', 'key', 'blob', 'payment_id'), vs), zip(*[_transfers[k] for k in ( 'tx_hash_list', 'amount_list', 'fee_list', 'tx_key_list', 'tx_blob_list')]))] for d in _pertx: d['payment_id'] = payment_id return [Transfer(**self._tx2dict(tx)) for tx in _pertx] def raw_request(self, method, params=None): hdr = {'Content-Type': 'application/json'} data = {'jsonrpc': '2.0', 'id': 0, 'method': method, 'params': params or {}} _log.debug(u"Method: {method}\nParams:\n{params}".format( method=method, params=pprint.pformat(params))) auth = requests.auth.HTTPDigestAuth(self.user, self.password) rsp = requests.post(self.url, headers=hdr, data=json.dumps(data), auth=auth) if rsp.status_code == 401: raise Unauthorized("401 Unauthorized. Invalid RPC user name or password.") elif rsp.status_code != 200: raise RPCError("Invalid HTTP status {code} for method {method}.".format( code=rsp.status_code, method=method)) result = rsp.json() _ppresult = pprint.pformat(result) _log.debug(u"Result:\n{result}".format(result=_ppresult)) if 'error' in result: err = result['error'] _log.error(u"JSON RPC error:\n{result}".format(result=_ppresult)) if err['code'] in _err2exc: raise _err2exc[err['code']](err['message']) else: raise RPCError( "Method '{method}' failed with RPC Error of unknown code {code}, " "message: {message}".format(method=method, data=data, result=result, **err)) return result['result'] class RPCError(exceptions.BackendException): pass class Unauthorized(RPCError): pass class MethodNotFound(RPCError): pass _err2exc = { -2: exceptions.WrongAddress, -4: exceptions.NotEnoughUnlockedMoney, -5: exceptions.WrongPaymentId, -16: exceptions.TransactionNotPossible, -20: exceptions.AmountIsZero, -32601: MethodNotFound, }