mmgen-wallet/mmgen/xmrwallet.py

#!/usr/bin/env python3
#
# mmgen = Multi-Mode GENerator, command-line Bitcoin cold storage solution
# Copyright (C)2013-2021 The MMGen Project <mmgen@tuta.io>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""
xmrwallet.py - MoneroWalletOps class
"""

import os,re,time,json
from collections import namedtuple
from .common import *
from .addr import KeyAddrList,AddrIdxList
from .rpc import MoneroRPCClientRaw,MoneroWalletRPCClient,json_encoder
from .daemon import MoneroWalletDaemon
from .protocol import _b58a,init_proto
from .obj import CoinAddr,CoinTxID,SeedID,AddrIdx,Hilite,InitErrors

xmrwallet_uarg_info = (
	lambda e,hp: {
		'daemon':          e('HOST:PORT', hp),
		'tx_relay_daemon': e('HOST:PORT[:PROXY_HOST:PROXY_PORT]', r'({p})(?::({p}))?'.format(p=hp)),
		'transfer_spec':   e('SOURCE_WALLET_NUM:ACCOUNT:ADDRESS,AMOUNT', rf'(\d+):(\d+):([{_b58a}]+),([0-9.]+)'),
		'sweep_spec':      e('SOURCE_WALLET_NUM:ACCOUNT[,DEST_WALLET_NUM]', r'(\d+):(\d+)(?:,(\d+))?'),
	})(
		namedtuple('uarg_info_entry',['annot','pat']),
		r'(?:[^:]+):(?:\d+)'
	)

class XMRWalletAddrSpec(str,Hilite,InitErrors,MMGenObject):
	color = 'cyan'
	width = 0
	trunc_ok = False
	min_len = 5  # 1:0:0
	max_len = 14 # 9999:9999:9999
	def __new__(cls,arg1,arg2=None,arg3=None):
		if type(arg1) == cls:
			return arg1

		try:
			if isinstance(arg1,str):
				me = str.__new__(cls,arg1)
				m = re.fullmatch('({n}):({n}):({n}|None)'.format(n=r'[0-9]{1,4}'),arg1)
				assert m is not None, f'{arg1!r}: invalid XMRWalletAddrSpec'
				for e in m.groups():
					if len(e) != 1 and e[0] == '0':
						die(2,f'{e}: leading zeroes not permitted in XMRWalletAddrSpec element')
				me.wallet = AddrIdx(m[1])
				me.account = int(m[2])
				me.account_address = None if m[3] == 'None' else int(m[3])
			else:
				me = str.__new__(cls,f'{arg1}:{arg2}:{arg3}')
				for arg in [arg1,arg2] + ([] if arg3 is None else [arg3]):
					assert isinstance(arg,int), f'{arg}: XMRWalletAddrSpec component not of type int'
					assert arg is None or arg <= 9999, f'{arg}: XMRWalletAddrSpec component greater than 9999'
				me.wallet = AddrIdx(arg1)
				me.account = arg2
				me.account_address = arg3
			return me
		except Exception as e:
			return cls.init_fail(e,me)

class MoneroMMGenTX:

	class Base:

		def make_chksum(self,keys=None):
			res = json.dumps(
				dict( (k,v) for k,v in self.data._asdict().items() if (not keys or k in keys) ),
				cls = json_encoder
			)
			return make_chksum_6(res)

		@property
		def base_chksum(self):
			return self.make_chksum(
				('op','create_time','network','seed_id','source','dest','amount')
			)

		@property
		def full_chksum(self):
			return self.make_chksum(set(self.data._fields) - {'metadata'})

		xmrwallet_tx_data = namedtuple('xmrwallet_tx_data',[
			'op',
			'create_time',
			'sign_time',
			'network',
			'seed_id',
			'source',
			'dest',
			'dest_address',
			'txid',
			'amount',
			'fee',
			'blob',
			'metadata',
		])

		def get_info(self,indent=''):
			d = self.data
			if d.dest:
				to_entry = f'\n{indent}  To:   ' + (
					'Wallet {}, account {}, address {}'.format(
						d.dest.wallet.hl(),
						red(f'#{d.dest.account}'),
						red(f'#{d.dest.account_address}')
					)
				)
			return fmt("""
				Transaction info [Seed ID: {}. Network: {}]:
				  TxID: {}
				  Type: {}
				  From: Wallet {}, account {}{}
				  Amt:  {} XMR
				  Fee:  {} XMR
				  Dest: {}
			""",strip_char='\t',indent=indent).format(
					d.seed_id.hl(), d.network.upper(),
					d.txid.hl(),
					blue(capfirst(d.op)),
					d.source.wallet.hl(),
					red(f'#{d.source.account}'),
					to_entry if d.dest else '',
					d.amount.hl(),
					d.fee.hl(),
					d.dest_address.hl()
				)

		def write(self,delete_metadata=False):
			dict_data = self.data._asdict()
			if delete_metadata:
				dict_data['metadata'] = None

			out = json.dumps(
				{ 'MoneroMMGenTX': {
						'base_chksum': self.base_chksum,
						'full_chksum': self.full_chksum,
						'data': dict_data,
					}
				},
				cls = json_encoder,
			)
			fn = '{}{}-XMR[{!s}]{}.sigtx'.format(
				self.base_chksum.upper(),
				(lambda s: f'-{s.upper()}' if s else '')(self.full_chksum),
				self.data.amount,
				(lambda s: '' if s == 'mainnet' else f'.{s}')(self.data.network),
			)
			write_data_to_file(fn,out,desc='MoneroMMGenTX data',ask_write=True,ask_write_default_yes=False)

	class NewSigned(Base):

		def __init__(self,*args,**kwargs):
			assert not args, 'Non-keyword args not permitted'
			d = namedtuple('kwargs_tuple',kwargs)(**kwargs)
			proto = init_proto('xmr',network=d.network)
			now = int(time.time())
			self.data = self.xmrwallet_tx_data(
				op             = d.op,
				create_time    = now,
				sign_time      = now,
				network        = d.network,
				seed_id        = SeedID(sid=d.seed_id),
				source         = XMRWalletAddrSpec(d.source),
				dest           = None if d.dest is None else XMRWalletAddrSpec(d.dest),
				dest_address   = CoinAddr(proto,d.dest_address),
				txid           = CoinTxID(d.txid),
				amount         = proto.coin_amt(d.amount,from_unit='atomic'),
				fee            = proto.coin_amt(d.fee,from_unit='atomic'),
				blob           = d.blob,
				metadata       = d.metadata,
			)

	class Signed(Base):

		def __init__(self,fn):
			self.fn = fn
			d_wrap = json.loads(get_data_from_file(fn))['MoneroMMGenTX']
			d = self.xmrwallet_tx_data(**d_wrap['data'])
			proto = init_proto('xmr',network=d.network)
			self.data = self.xmrwallet_tx_data(
				op             = d.op,
				create_time    = d.create_time,
				sign_time      = d.sign_time,
				network        = d.network,
				seed_id        = SeedID(sid=d.seed_id),
				source         = XMRWalletAddrSpec(d.source),
				dest           = None if d.dest is None else XMRWalletAddrSpec(d.dest),
				dest_address   = CoinAddr(proto,d.dest_address),
				txid           = CoinTxID(d.txid),
				amount         = proto.coin_amt(d.amount),
				fee            = proto.coin_amt(d.fee),
				blob           = d.blob,
				metadata       = d.metadata,
			)
			for k in ('base_chksum','full_chksum'):
				a = getattr(self,k)
				b = d_wrap[k]
				assert a == b, f'{k} mismatch: {a} != {b}'

class MoneroWalletOps:

	ops = ('create','sync','transfer','sweep','relay')
	opts = (
		'wallet_dir',
		'daemon',
		'tx_relay_daemon',
		'use_internal_keccak_module',
		'hash_preset',
		'restore_height',
		'no_start_wallet_daemon',
		'no_stop_wallet_daemon',
		'do_not_relay',
	)
	pat_opts = ('daemon','tx_relay_daemon')

	class base(MMGenObject):

		opts = ('wallet_dir',)

		def __init__(self,uarg_tuple,uopt_tuple):

			def gen_classes():
				for cls in type(self).__mro__:
					yield cls
					if cls.__name__ == 'base':
						break

			classes = tuple(gen_classes())
			self.opts = tuple(set(opt for cls in classes for opt in cls.opts))

			global uarg, uopt, uarg_info, fmt_amt, hl_amt

			uarg = uarg_tuple
			uopt = uopt_tuple
			uarg_info = xmrwallet_uarg_info

			def fmt_amt(amt):
				return self.proto.coin_amt(amt,from_unit='min_coin_unit').fmt(fs='5.12',color=True)
			def hl_amt(amt):
				return self.proto.coin_amt(amt,from_unit='min_coin_unit').hl()

			id_cur = None
			for cls in classes:
				if id(cls.check_uopts) != id_cur:
					cls.check_uopts(self)
					id_cur = id(cls.check_uopts)

			self.proto = init_proto('xmr',testnet=g.testnet)

		def check_uopts(self):

			def check_pat_opt(name):
				val = getattr(uopt,name)
				if not re.fullmatch(uarg_info[name].pat,val,re.ASCII):
					die(1,'{!r}: invalid value for --{}: it must have format {!r}'.format(
						val,
						name.replace('_','-'),
						uarg_info[name].annot
					))

			for opt in uopt._asdict():
				if getattr(uopt,opt) and not opt in self.opts:
					die(1,'Option --{} not supported for {!r} operation'.format(
						opt.replace('_','-'),
						uarg.op
					))

			for opt in MoneroWalletOps.pat_opts:
				if getattr(uopt,opt):
					check_pat_opt(opt)

		def display_tx_relay_info(self,indent=''):
			m = re.fullmatch(uarg_info['tx_relay_daemon'].pat,uopt.tx_relay_daemon,re.ASCII)
			msg(fmt(f"""
				TX relay info:
				  Host:  {blue(m[1])}
				  Proxy: {blue(m[2] or 'None')}
				""",strip_char='\t',indent=indent))

		def post_main(self): pass

		def stop_daemons(self): pass

	class wallet(base):

		opts = (
			'use_internal_keccak_module',
			'hash_preset',
			'daemon',
			'no_start_wallet_daemon',
			'no_stop_wallet_daemon',
		)
		wallet_exists = True

		def __init__(self,uarg_tuple,uopt_tuple):

			def wallet_exists(fn):
				try: os.stat(fn)
				except: return False
				else: return True

			def check_wallets():
				for d in self.addr_data:
					fn = self.get_wallet_fn(d)
					exists = wallet_exists(fn)
					if exists and not self.wallet_exists:
						die(1,f'Wallet {fn!r} already exists!')
					elif not exists and self.wallet_exists:
						die(1,f'Wallet {fn!r} not found!')

			super().__init__(uarg_tuple,uopt_tuple)

			self.kal = KeyAddrList(self.proto,uarg.infile)
			self.create_addr_data()

			check_wallets()

			self.wd = MoneroWalletDaemon(
				proto       = self.proto,
				wallet_dir  = uopt.wallet_dir or '.',
				test_suite  = g.test_suite,
				daemon_addr = uopt.daemon or None,
			)

			if not uopt.no_start_wallet_daemon:
				self.wd.restart()

			self.c = MoneroWalletRPCClient(
				host   = self.wd.host,
				port   = self.wd.rpc_port,
				user   = self.wd.user,
				passwd = self.wd.passwd
			)

		def create_addr_data(self):
			if uarg.wallets:
				idxs = AddrIdxList(uarg.wallets)
				self.addr_data = [d for d in self.kal.data if d.idx in idxs]
				if len(self.addr_data) != len(idxs):
					die(1,f'List {uarg.wallets!r} contains addresses not present in supplied key-address file')
			else:
				self.addr_data = self.kal.data

		def stop_daemons(self):
			if not uopt.no_stop_wallet_daemon:
				self.wd.stop()
				if uopt.tx_relay_daemon and hasattr(self,'wd2'):
					self.wd2.stop()

		def get_wallet_fn(self,d):
			return os.path.join(
				uopt.wallet_dir or '.','{}-{}-MoneroWallet{}{}'.format(
					self.kal.al_id.sid,
					d.idx,
					'.testnet' if g.testnet else '',
					'-α' if g.debug_utf8 else '' ))

		async def main(self):
			gmsg('\n{}ing {} wallet{}'.format(self.desc,len(self.addr_data),suf(self.addr_data)))
			processed = 0
			for n,d in enumerate(self.addr_data): # [d.sec,d.addr,d.wallet_passwd,d.viewkey]
				fn = self.get_wallet_fn(d)
				gmsg('\n{}ing wallet {}/{} ({})'.format(
					self.desc,
					n+1,
					len(self.addr_data),
					os.path.basename(fn),
				))
				processed += await self.process_wallet(d,fn)
			gmsg('\n{} wallet{} {}'.format(processed,suf(processed),self.past))
			return processed

		class rpc:

			def __init__(self,parent,d):
				self.parent = parent
				self.c = parent.c
				self.d = d
				self.fn = parent.get_wallet_fn(d)

			async def open_wallet(self,desc,refresh=True):
				gmsg_r(f'\n  Opening {desc} wallet...')
				await self.c.call( # returns {}
					'open_wallet',
					filename=os.path.basename(self.fn),
					password=self.d.wallet_passwd )
				gmsg('done')

				if refresh:
					gmsg_r(f'  Refreshing {desc} wallet...')
					ret = await self.c.call('refresh')
					gmsg('done')
					if ret['received_money']:
						msg('  Wallet has received funds')

			async def close_wallet(self,desc):
				gmsg_r(f'\n  Closing {desc} wallet...')
				await self.c.call('close_wallet')
				gmsg_r('done')

			def print_accts(self,data,addrs_data,indent='    '):
				d = data['subaddress_accounts']
				msg('\n' + indent + f'Accounts of wallet {os.path.basename(self.fn)}:')
				fs = indent + '  {:6}  {:18}  {:<6} {:%s}  {}' % max(len(e['label']) for e in d)
				msg(fs.format('Index ','Base Address','nAddrs','Label','Unlocked Balance'))
				for i,e in enumerate(d):
					msg(fs.format(
						str(e['account_index']),
						e['base_address'][:15] + '...',
						len(addrs_data[i]['addresses']),
						e['label'],
						fmt_amt(e['unlocked_balance']),
					))

			async def get_accts(self,print=True):
				data = await self.c.call('get_accounts')
				addrs_data = [
					await self.c.call('get_address',account_index=i)
						for i in range(len(data['subaddress_accounts']))
				]
				if print:
					self.print_accts(data,addrs_data)
				return ( data, addrs_data )

			async def create_acct(self):
				msg('\n    Creating new account...')
				ret = await self.c.call(
					'create_account',
					label = f'Sweep from {self.parent.source.idx}:{self.parent.account}'
				)
				msg('      Index:   {}'.format( pink(str(ret['account_index'])) ))
				msg('      Address: {}'.format( cyan(ret['address']) ))
				return (ret['account_index'], ret['address'])

			def get_last_acct(self,accts_data):
				msg('\n    Getting last account...')
				ret = accts_data['subaddress_accounts'][-1]
				msg('      Index:   {}'.format( pink(str(ret['account_index'])) ))
				msg('      Address: {}'.format( cyan(ret['base_address']) ))
				return (ret['account_index'], ret['base_address'])

			async def print_addrs(self,accts_data,account):
				ret = await self.c.call('get_address',account_index=account)
				d = ret['addresses']
				msg('\n      Addresses of account #{} ({}):'.format(
					account,
					accts_data['subaddress_accounts'][account]['label']))
				fs = '        {:6}  {:18}  {:%s}  {}' % max(len(e['label']) for e in d)
				msg(fs.format('Index ','Address','Label','Used'))
				for e in d:
					msg(fs.format(
						str(e['address_index']),
						e['address'][:15] + '...',
						e['label'],
						e['used']
					))

			async def create_new_addr(self,account):
				msg_r('\n    Creating new address: ')
				ret = await self.c.call(
					'create_address',
					account_index = account,
					label         = 'Sweep from this account',
				)
				msg(cyan(ret['address']))
				return ret['address']

			async def get_last_addr(self,account,display=True):
				if display:
					msg('\n    Getting last address:')
				ret = (await self.c.call(
					'get_address',
					account_index = account,
				))['addresses']
				addr = ret[-1]['address']
				if display:
					msg('      ' + cyan(addr))
				return ( addr, len(ret) - 1 )

			async def make_transfer_tx(self,account,addr,amt):
				res = await self.c.call(
					'transfer',
					account_index = account,
					destinations = [{
						'amount':  amt.to_unit('atomic'),
						'address': addr
					}],
					do_not_relay = True,
					get_tx_hex = True,
					get_tx_metadata = True
				)
				return MoneroMMGenTX.NewSigned(
					op             = uarg.op,
					network        = self.parent.proto.network,
					seed_id        = self.parent.kal.al_id.sid,
					source         = XMRWalletAddrSpec(self.parent.source.idx,self.parent.account,None),
					dest           = None,
					dest_address   = addr,
					txid           = res['tx_hash'],
					amount         = res['amount'],
					fee            = res['fee'],
					blob           = res['tx_blob'],
					metadata       = res['tx_metadata'],
				)

			async def make_sweep_tx(self,account,dest_acct,dest_addr_idx,addr):
				res = await self.c.call(
					'sweep_all',
					address = addr,
					account_index = account,
					do_not_relay = True,
					get_tx_hex = True,
					get_tx_metadata = True
				)

				if len(res['tx_hash_list']) > 1:
					die(3,'More than one TX required.  Cannot perform this sweep')

				return MoneroMMGenTX.NewSigned(
					op             = uarg.op,
					network        = self.parent.proto.network,
					seed_id        = self.parent.kal.al_id.sid,
					source         = XMRWalletAddrSpec(self.parent.source.idx,self.parent.account,None),
					dest           = XMRWalletAddrSpec(
										(self.parent.dest or self.parent.source).idx,
										dest_acct,
										dest_addr_idx),
					dest_address   = addr,
					txid           = res['tx_hash_list'][0],
					amount         = res['amount_list'][0],
					fee            = res['fee_list'][0],
					blob           = res['tx_blob_list'][0],
					metadata       = res['tx_metadata_list'][0],
				)

			async def relay_tx(self,tx_hex):
				ret = await self.c.call('relay_tx',hex=tx_hex)
				try:
					msg('\n    Relayed {}'.format( CoinTxID(ret['tx_hash']).hl() ))
				except:
					msg(f'\n   Server returned: {ret!s}')

	class create(wallet):
		name    = 'create'
		desc    = 'Creat'
		past    = 'created'
		wallet_exists = False
		opts    = ('restore_height',)

		def check_uopts(self):
			if int(uopt.restore_height) < 0:
				die(1,f"{uopt.restore_height}: invalid value for --restore-height (less than zero)")

		async def process_wallet(self,d,fn):
			msg_r('') # for pexpect

			from .baseconv import baseconv
			ret = await self.c.call(
				'restore_deterministic_wallet',
				filename       = os.path.basename(fn),
				password       = d.wallet_passwd,
				seed           = baseconv.fromhex(d.sec,'xmrseed',tostr=True),
				restore_height = uopt.restore_height,
				language       = 'English' )

			pp_msg(ret) if opt.debug else msg('  Address: {}'.format(ret['address']))
			return True

	class sync(wallet):
		name    = 'sync'
		desc    = 'Sync'
		past    = 'synced'
		opts    = ('rescan_blockchain',)

		def __init__(self,uarg_tuple,uopt_tuple):

			super().__init__(uarg_tuple,uopt_tuple)

			host,port = uopt.daemon.split(':') if uopt.daemon else ('localhost',self.wd.daemon_port)
			self.dc = MoneroRPCClientRaw(host=host, port=int(port), user=None, passwd=None)
			self.accts_data = {}

		async def process_wallet(self,d,fn):

			chain_height = (await self.dc.call('get_height'))['height']
			msg(f'  Chain height: {chain_height}')

			t_start = time.time()

			msg_r('  Opening wallet...')
			await self.c.call(
				'open_wallet',
				filename=os.path.basename(fn),
				password=d.wallet_passwd )
			msg('done')

			msg_r('  Getting wallet height (be patient, this could take a long time)...')
			wallet_height = (await self.c.call('get_height'))['height']
			msg_r('\r' + ' '*68 + '\r')
			msg(f'  Wallet height: {wallet_height}        ')

			behind = chain_height - wallet_height
			if behind > 1000:
				msg_r(f'  Wallet is {behind} blocks behind chain tip.  Please be patient.  Syncing...')

			ret = await self.c.call('refresh')

			if behind > 1000:
				msg('done')

			if ret['received_money']:
				msg('  Wallet has received funds')

			for i in range(2):
				wallet_height = (await self.c.call('get_height'))['height']
				if wallet_height >= chain_height:
					break
				ymsg(f'  Wallet failed to sync (wallet height [{wallet_height}] < chain height [{chain_height}])')
				if i or not uopt.rescan_blockchain:
					break
				msg_r('  Rescanning blockchain, please be patient...')
				await self.c.call('rescan_blockchain')
				await self.c.call('refresh')
				msg('done')

			t_elapsed = int(time.time() - t_start)

			bn = os.path.basename(fn)

			a,b = await self.rpc(self,d).get_accts(print=False)

			msg('  Balance: {} Unlocked balance: {}'.format(
				hl_amt(a['total_balance']),
				hl_amt(a['total_unlocked_balance']),
			))

			self.accts_data[bn] = { 'accts': a, 'addrs': b }

			msg('  Wallet height: {}'.format(wallet_height))
			msg('  Sync time: {:02}:{:02}'.format( t_elapsed//60, t_elapsed%60 ))

			await self.c.call('close_wallet')
			return wallet_height >= chain_height

		def post_main(self):
			d = self.accts_data

			for n,k in enumerate(d):
				ad = self.addr_data[n]
				self.rpc(self,ad).print_accts( d[k]['accts'], d[k]['addrs'], indent='')

			col1_w = max(map(len,d)) + 1
			fs = '{:%s} {} {}' % col1_w
			tbals = [0,0]
			msg('\n'+fs.format('Wallet','Balance           ','Unlocked Balance'))

			for k in d:
				b  = d[k]['accts']['total_balance']
				ub = d[k]['accts']['total_unlocked_balance']
				msg(fs.format( k + ':', fmt_amt(b), fmt_amt(ub) ))
				tbals[0] += b
				tbals[1] += ub

			msg(fs.format( '-'*col1_w, '-'*18, '-'*18 ))
			msg(fs.format( 'TOTAL:', fmt_amt(tbals[0]), fmt_amt(tbals[1]) ))

	class sweep(wallet):
		name     = 'sweep'
		desc     = 'Sweep'
		past     = 'swept'
		spec_id  = 'sweep_spec'
		spec_key = ( (1,'source'), (3,'dest') )
		opts     = ('do_not_relay','tx_relay_daemon')

		def create_addr_data(self):
			m = re.fullmatch(uarg_info[self.spec_id].pat,uarg.spec,re.ASCII)
			if not m:
				fs = "{!r}: invalid {!r} arg: for {} operation, it must have format {!r}"
				die(1,fs.format( uarg.spec, self.spec_id, self.name, uarg_info[self.spec_id].annot ))

			def gen():
				for i,k in self.spec_key:
					if m[i] == None:
						setattr(self,k,None)
					else:
						idx = int(m[i])
						try:
							res = [d for d in self.kal.data if d.idx == idx][0]
						except:
							die(1,'Supplied key-address file does not contain address {}:{}'.format(
								self.kal.al_id.sid,
								idx ))
						else:
							setattr(self,k,res)
							yield res

			self.addr_data = list(gen())
			self.account = int(m[2])

			if self.name == 'transfer':
				self.dest_addr = CoinAddr(self.proto,m[3])
				self.amount = self.proto.coin_amt(m[4])

		def init_tx_relay_daemon(self):

			m = re.fullmatch(uarg_info['tx_relay_daemon'].pat,uopt.tx_relay_daemon,re.ASCII)

			self.wd2 = MoneroWalletDaemon(
				proto       = self.proto,
				wallet_dir  = uopt.wallet_dir or '.',
				test_suite  = g.test_suite,
				daemon_addr = m[1],
				proxy       = m[2],
				port_shift  = 16 )

			if g.test_suite:
				self.wd2.usr_daemon_args = ['--daemon-ssl-allow-any-cert']

			self.wd2.start()

			self.c = MoneroWalletRPCClient(
				host   = self.wd2.host,
				port   = self.wd2.rpc_port,
				user   = self.wd2.user,
				passwd = self.wd2.passwd
			)

		async def main(self):
			gmsg(f'\n{self.desc}ing account #{self.account} of wallet {self.source.idx}' + (
				f': {self.amount} XMR to {self.dest_addr}' if self.name == 'transfer'
				else ' to new address' if self.dest == None
				else f' to new account in wallet {self.dest.idx}' ))

			h = self.rpc(self,self.source)

			await h.open_wallet('source')
			accts_data = (await h.get_accts())[0]

			max_acct = len(accts_data['subaddress_accounts']) - 1
			if self.account > max_acct:
				die(1,f'{self.account}: requested account index out of bounds (>{max_acct})')

			await h.print_addrs(accts_data,self.account)

			if self.name == 'transfer':
				dest_addr = self.dest_addr
			elif self.dest == None:
				dest_acct = self.account
				if keypress_confirm(f'\nCreate new address for account #{self.account}?'):
					dest_addr_chk = await h.create_new_addr(self.account)
				elif keypress_confirm(f'Sweep to last existing address of account #{self.account}?'):
					dest_addr_chk = None
				else:
					die(1,'Exiting at user request')
				dest_addr,dest_addr_idx = await h.get_last_addr(self.account,display=not dest_addr_chk)
				assert dest_addr_chk in (None,dest_addr), 'dest_addr_chk1'
				await h.print_addrs(accts_data,self.account)
			else:
				await h.close_wallet('source')
				bn = os.path.basename(self.get_wallet_fn(self.dest))
				h2 = self.rpc(self,self.dest)
				await h2.open_wallet('destination')
				accts_data = (await h2.get_accts())[0]

				if keypress_confirm(f'\nCreate new account for wallet {bn!r}?'):
					dest_acct,dest_addr = await h2.create_acct()
					dest_addr_idx = 0
					await h2.get_accts()
				elif keypress_confirm(f'Sweep to last existing account of wallet {bn!r}?'):
					dest_acct,dest_addr_chk = h2.get_last_acct(accts_data)
					dest_addr,dest_addr_idx = await h2.get_last_addr(dest_acct,display=False)
					assert dest_addr_chk == dest_addr, 'dest_addr_chk2'
				else:
					die(1,'Exiting at user request')

				await h2.close_wallet('destination')
				await h.open_wallet('source',refresh=False)

			msg(f'\n    Creating {self.name} transaction...')

			if self.name == 'transfer':
				new_tx = await h.make_transfer_tx(self.account,dest_addr,self.amount)
			elif self.name == 'sweep':
				new_tx = await h.make_sweep_tx(self.account,dest_acct,dest_addr_idx,dest_addr)

			msg('\n' + new_tx.get_info(indent='    '))

			if uopt.tx_relay_daemon:
				self.display_tx_relay_info(indent='    ')

			if uopt.do_not_relay:
				msg('Saving TX data to file')
				new_tx.write(delete_metadata=True)
			elif keypress_confirm(f'Relay {self.name} transaction?'):
				w_desc = 'source'
				if uopt.tx_relay_daemon:
					await h.close_wallet('source')
					msg('')
					self.init_tx_relay_daemon()
					h = self.rpc(self,self.source)
					w_desc = 'TX relay source'
					await h.open_wallet(w_desc,refresh=False)
				msg_r(f'\n    Relaying {self.name} transaction...')
				await h.relay_tx(new_tx.data.metadata)
				await h.close_wallet(w_desc)

				gmsg('\n\nAll done')
			else:
				await h.close_wallet('source')
				die(1,'\nExiting at user request')

			return True

	class transfer(sweep):
		name    = 'transfer'
		desc    = 'Transfer'
		past    = 'transferred'
		spec_id = 'transfer_spec'
		spec_key = ( (1,'source'), )

	class relay(base):
		name = 'relay'
		desc = 'Relay'
		past = 'relayed'
		opts = ('tx_relay_daemon',)

		def __init__(self,uarg_tuple,uopt_tuple):

			super().__init__(uarg_tuple,uopt_tuple)

			if uopt.tx_relay_daemon:
				m = re.fullmatch(uarg_info['tx_relay_daemon'].pat,uopt.tx_relay_daemon,re.ASCII)
				host,port = m[1].split(':')
				proxy = m[2]
			else:
				from .daemon import CoinDaemon
				md = CoinDaemon('xmr',test_suite=g.test_suite)
				host,port = md.host,md.rpc_port
				proxy = None

			self.dc = MoneroRPCClientRaw(
				host   = host,
				port   = int(port),
				user   = None,
				passwd = None,
				proxy  = proxy )

			self.tx = MoneroMMGenTX.Signed(uarg.infile)

		async def main(self):
			msg('\n' + self.tx.get_info())

			if uopt.tx_relay_daemon:
				self.display_tx_relay_info()

			if keypress_confirm('Relay transaction?'):
				res = await self.dc.call(
					'send_raw_transaction',
					tx_as_hex = self.tx.data.blob
				)
				if res['status'] == 'OK':
					msg('Status: ' + green('OK'))
					if res['not_relayed']:
						ymsg('Transaction not relayed')
					return True
				else:
					raise RPCFailure(repr(res))
			else:
				die(1,'Exiting at user request')