def check_for_new_txes(self):
logger = self.logger
MAX_TX_REQUEST_COUNT = 256
tx_request_count = 2
max_attempts = int(math.log(MAX_TX_REQUEST_COUNT, 2))
for i in range(max_attempts):
##how listtransactions works
##skip and count parameters take most-recent txes first
## so skip=0 count=1 will return the most recent tx
##and skip=0 count=3 will return the 3 most recent txes
##but the actual list returned has the REVERSED order
##skip=0 count=3 will return a list with the most recent tx LAST
ret = self.rpc.call("listtransactions", ["*", tx_request_count, 0,
True])
ret = ret[::-1]
if self.last_known_wallet_txid == None:
recent_tx_index = len(ret) #=0 means no new txes
break
else:
txid_list = [(tx["txid"], tx.get("address", None))
for tx in ret]
recent_tx_index = next((i for i, (txid, addr)
in enumerate(txid_list) if
txid == self.last_known_wallet_txid[0] and
addr == self.last_known_wallet_txid[1]), -1)
if recent_tx_index != -1:
break
tx_request_count *= 2
#TODO low priority: handle a user getting more than 255 new
# transactions in 15 seconds
if len(ret) > 0:
self.last_known_wallet_txid = (ret[0]["txid"],
ret[0].get("address", None))
assert(recent_tx_index != -1)
if recent_tx_index == 0:
return set()
new_txes = ret[:recent_tx_index][::-1]
logger.debug("new txes = " + str(new_txes))
obtained_txids = set()
updated_scripthashes = []
for tx in new_txes:
if "txid" not in tx or "category" not in tx:
continue
if tx["category"] not in ("receive", "send", "generate",
"immature"):
continue
if tx["confirmations"] < 0:
continue #conflicted
if tx["txid"] in obtained_txids:
continue
obtained_txids.add(tx["txid"])
output_scriptpubkeys, input_scriptpubkeys, txd = \
self.get_input_and_output_scriptpubkeys(tx["txid"])
matching_scripthashes = []
for spk in (output_scriptpubkeys + input_scriptpubkeys):
scripthash = script_to_scripthash(spk)
if scripthash in self.address_history:
matching_scripthashes.append(scripthash)
if len(matching_scripthashes) == 0:
continue
for wal in self.deterministic_wallets:
overrun_depths = wal.have_scriptpubkeys_overrun_gaplimit(
output_scriptpubkeys)
if overrun_depths != None:
for change, import_count in overrun_depths.items():
new_addrs, spks = wal.get_new_addresses(change,
import_count)
for spk in spks:
self.address_history[script_to_scripthash(
spk)] = {'history': [], 'subscribed': False}
logger.debug("importing " + str(len(spks)) +
" into change=" + str(change))
import_addresses(self.rpc, new_addrs, [], -1, 0, logger)
updated_scripthashes.extend(matching_scripthashes)
new_history_element = self.generate_new_history_element(tx, txd)
logger.info("Found new tx: " + str(new_history_element))
for scrhash in matching_scripthashes:
self.address_history[scrhash]["history"].append(
new_history_element)
if new_history_element["height"] <= 0:
self.unconfirmed_txes[tx["txid"]].append(scrhash)
if tx["confirmations"] > 0:
self.reorganizable_txes.append((tx["txid"], tx["blockhash"],
new_history_element["height"], matching_scripthashes))
return set(updated_scripthashes)
def main():
opts = parse_args()
try:
config = RawConfigParser()
config.read(opts.config_file)
config.options("master-public-keys")
except NoSectionError:
print("ERROR: Non-existant configuration file {}".format(
opts.config_file))
return
logger = logging.getLogger('ELECTRUMPERSONALSERVER')
logger, logfilename = logger_config(logger, config)
logger.info('Starting Electrum Personal Server ' +
str(SERVER_VERSION_NUMBER))
logger.info('Logging to ' + logfilename)
logger.debug("Process ID (PID) = " + str(os.getpid()))
rpc_u = None
rpc_p = None
cookie_path = None
try:
rpc_u = config.get("bitcoin-rpc", "rpc_user")
rpc_p = config.get("bitcoin-rpc", "rpc_password")
logger.debug("obtaining auth from rpc_user/pass")
except NoOptionError:
cookie_path = obtain_cookie_file_path(
config.get("bitcoin-rpc", "datadir"))
logger.debug("obtaining auth from .cookie")
if rpc_u == None and cookie_path == None:
return
rpc = JsonRpc(host=config.get("bitcoin-rpc", "host"),
port=int(config.get("bitcoin-rpc", "port")),
user=rpc_u,
password=rpc_p,
cookie_path=cookie_path,
wallet_filename=config.get("bitcoin-rpc",
"wallet_filename").strip(),
logger=logger)
#TODO somewhere here loop until rpc works and fully sync'd, to allow
# people to run this script without waiting for their node to fully
# catch up sync'd when getblockchaininfo blocks == headers, or use
# verificationprogress
printed_error_msg = False
while bestblockhash[0] == None:
try:
bestblockhash[0] = rpc.call("getbestblockhash", [])
except JsonRpcError as e:
if not printed_error_msg:
logger.error("Error with bitcoin json-rpc: " + repr(e))
printed_error_msg = True
time.sleep(5)
try:
rpc.call("listunspent", [])
except JsonRpcError as e:
logger.error(repr(e))
logger.error("Wallet related RPC call failed, possibly the " +
"bitcoin node was compiled with the disable wallet flag")
return
test_keydata = (
"2 tpubD6NzVbkrYhZ4YVMVzC7wZeRfz3bhqcHvV8M3UiULCfzFtLtp5nwvi6LnBQegrkx"
+
"YGPkSzXUEvcPEHcKdda8W1YShVBkhFBGkLxjSQ1Nx3cJ tpubD6NzVbkrYhZ4WjgNYq2nF"
+
"TbiSLW2SZAzs4g5JHLqwQ3AmR3tCWpqsZJJEoZuP5HAEBNxgYQhtWMezszoaeTCg6FWGQB"
+ "T74sszGaxaf64o5s")
chain = rpc.call("getblockchaininfo", [])["chain"]
try:
gaplimit = 5
deterministicwallet.parse_electrum_master_public_key(
test_keydata, gaplimit, rpc, chain)
except ValueError as e:
logger.error(repr(e))
logger.error(
"Descriptor related RPC call failed. Bitcoin Core 0.20.0" +
" or higher required. Exiting..")
return
if opts.rescan:
rescan_script(logger, rpc, opts.rescan_date)
return
while True:
logger.debug("Checking whether rescan is in progress")
walletinfo = rpc.call("getwalletinfo", [])
if "scanning" in walletinfo and walletinfo["scanning"]:
logger.debug("Waiting for Core wallet rescan to finish")
time.sleep(300)
continue
break
import_needed, relevant_spks_addrs, deterministic_wallets = \
get_scriptpubkeys_to_monitor(rpc, config)
if import_needed:
if not relevant_spks_addrs and not deterministic_wallets:
#import = true and no addresses means exit
return
deterministicwallet.import_addresses(
rpc,
relevant_spks_addrs,
deterministic_wallets,
change_param=-1,
count=int(config.get("bitcoin-rpc", "initial_import_count")))
logger.info(
"Done.\nIf recovering a wallet which already has existing" +
" transactions, then\nrun the rescan script. If you're confident" +
" that the wallets are new\nand empty then there's no need to" +
" rescan, just restart this script")
else:
txmonitor = transactionmonitor.TransactionMonitor(
rpc, deterministic_wallets, logger)
if not txmonitor.build_address_history(relevant_spks_addrs):
return
try:
run_electrum_server(rpc, txmonitor, config)
except KeyboardInterrupt:
logger.info('Received KeyboardInterrupt, quitting')
def main():
opts = parse_args()
try:
config = RawConfigParser()
config.read(opts.config_file)
config.options("master-public-keys")
except NoSectionError:
print("ERROR: Non-existant configuration file {}".format(
opts.config_file))
return 1
logger = logging.getLogger('ELECTRUMPERSONALSERVER')
logger, logfilename = logger_config(logger, config)
logger.info('Starting Electrum Personal Server ' +
str(SERVER_VERSION_NUMBER))
logger.info('Logging to ' + logfilename)
logger.debug("Process ID (PID) = " + str(os.getpid()))
rpc_u = None
rpc_p = None
cookie_path = None
try:
rpc_u = config.get("groestlcoin-rpc", "rpc_user")
rpc_p = config.get("groestlcoin-rpc", "rpc_password")
logger.debug("obtaining auth from rpc_user/pass")
except NoOptionError:
cookie_path = obtain_cookie_file_path(
config.get("groestlcoin-rpc", "datadir"))
logger.debug("obtaining auth from .cookie")
if rpc_u == None and cookie_path == None:
return 1
rpc = JsonRpc(host=config.get("groestlcoin-rpc", "host"),
port=int(config.get("groestlcoin-rpc", "port")),
user=rpc_u,
password=rpc_p,
cookie_path=cookie_path,
wallet_filename=config.get("groestlcoin-rpc",
"wallet_filename").strip(),
logger=logger)
#TODO somewhere here loop until rpc works and fully sync'd, to allow
# people to run this script without waiting for their node to fully
# catch up sync'd when getblockchaininfo blocks == headers, or use
# verificationprogress
printed_error_msg = False
while bestblockhash[0] == None:
try:
bestblockhash[0] = rpc.call("getbestblockhash", [])
except JsonRpcError as e:
if not printed_error_msg:
logger.error("Error with groestlcoin json-rpc: " + repr(e))
printed_error_msg = True
time.sleep(5)
try:
rpc.call("listunspent", [])
except JsonRpcError as e:
logger.error(repr(e))
logger.error(
"Wallet related RPC call failed, possibly the " +
"groestlcoin node was compiled with the disable wallet flag")
return 1
test_keydata = (
"2 tpubD6NzVbkrYhZ4Xh9Ybbw6cna2UyGzYXmpk6bYuvWAUsD493Eb57ssPKC74CoVyQi"
+
"thN9hRUKZz5c5BQqnS8zqDisJvDTA6fJgyVjhGFtSZaN tpubD6NzVbkrYhZ4XG7HrP7yo"
+
"9We8rEmc7RTbViHgKwYNwNN71gvuMpYDWRHCUoGMYKZvDMbF3VpWngHvbpTan9Wd3WTk9q"
+ "ZzZyuYKAGoPJRGjs")
chain = rpc.call("getblockchaininfo", [])["chain"]
try:
gaplimit = 5
deterministicwallet.parse_electrum_master_public_key(
test_keydata, gaplimit, rpc, chain)
except ValueError as e:
logger.error(repr(e))
logger.error(
"Descriptor related RPC call failed. Groestlcoin Core 2.20.1" +
" or higher required. Exiting..")
return 1
if opts.rescan:
rescan_script(logger, rpc, opts.rescan_date)
return 0
while True:
logger.debug("Checking whether rescan is in progress")
walletinfo = rpc.call("getwalletinfo", [])
if "scanning" in walletinfo and walletinfo["scanning"]:
logger.debug("Waiting for Core wallet rescan to finish")
time.sleep(300)
continue
break
import_needed, relevant_spks_addrs, deterministic_wallets = \
get_scriptpubkeys_to_monitor(rpc, config)
if import_needed:
if not relevant_spks_addrs and not deterministic_wallets:
#import = true and no addresses means exit
return 0
deterministicwallet.import_addresses(
rpc,
relevant_spks_addrs,
deterministic_wallets,
change_param=-1,
count=int(config.get("groestlcoin-rpc", "initial_import_count")))
logger.info(
"Done.\nIf recovering a wallet which already has existing" +
" transactions, then\nrun the rescan script. If you're confident" +
" that the wallets are new\nand empty then there's no need to" +
" rescan, just restart this script")
else:
txmonitor = transactionmonitor.TransactionMonitor(
rpc, deterministic_wallets, logger)
if not txmonitor.build_address_history(relevant_spks_addrs):
return 1
try:
run_electrum_server(rpc, txmonitor, config)
except KeyboardInterrupt:
logger.info('Received KeyboardInterrupt, quitting')
return 1
return 0
