class bitcoinNode(cryptoNode):
############################################################################
def __init__(self, symbol, rpc_address, rpc_user, rpc_pass):
super().__init__(symbol, rpc_address, rpc_user, rpc_pass)
self.proxy = Proxy('http://%s:%s@%s' %
(rpc_user, rpc_pass, rpc_address))
############################################################################
def __getattr__(self, method):
return getattr(self.proxy, method)
############################################################################
def initialise(self):
try:
info = self.proxy.getnetworkinfo()
except ValueError:
raise cryptoNodeException(
'Failed to connect - error in rpcuser or rpcpassword for {} daemon'
.format(self.symbol))
except pycurl.error:
raise cryptoNodeException(
'Failed to connect - check that {} daemon is running'.format(
self.symbol))
except exc.RpcInWarmUp:
raise cryptoNodeException(
'Failed to connect - {} daemon is starting but not ready - try again after 60 seconds'
.format(self.symbol))
except exc.RpcMethodNotFound:
raise cryptoNodeException(
'RPC getnetworkinfo unavailable for {} daemon'.format(
self.symbol))
try:
zmqnotifications = self.proxy.getzmqnotifications()
except pycurl.error:
raise cryptoNodeException(
'Blockchain node for {} not available or incorrectly configured'
.format(self.symbol))
except (exc.RpcMethodNotFound, ValueError):
zmqnotifications = []
for zmqnotification in zmqnotifications:
if zmqnotification['type'] == 'pubhashblock':
self.zmqAddress = zmqnotification['address']
############################################################################
def refresh(self):
self.blocks = self.proxy.getblockcount()
self.peers = self.proxy.getconnectioncount()
############################################################################
def get_balance(self):
try:
result = self.proxy.getbalance()
except exc.RpcException as error:
raise cryptoNodeException('{} daemon returned error: {}'.format(
self.symbol, str(error)))
else:
return result
############################################################################
def get_unlocked_balance(self):
try:
result = self.proxy.getbalance()
except exc.RpcException as error:
raise cryptoNodeException('{} daemon returned error: {}'.format(
self.symbol, str(error)))
else:
return result
############################################################################
def get_unconfirmed_balance(self):
try:
result = self.proxy.getunconfirmedbalance()
except exc.RpcException as error:
raise cryptoNodeException('{} daemon returned error: {}'.format(
self.symbol, str(error)))
else:
return result
############################################################################
def get_new_address(self):
return self.proxy.getnewaddress()
############################################################################
def wallet_locked(self, cache_prior_state=False):
info = self.proxy.getwalletinfo()
if 'unlocked_until' in info:
return info['unlocked_until'] == 0
return False
############################################################################
def unlock_wallet(self, passphrase, seconds, staking=False):
try:
self.proxy.walletpassphrase(passphrase, seconds)
except exc.RpcWalletPassphraseIncorrect:
return False
else:
return True
############################################################################
def revert_wallet_lock(self):
pass
############################################################################
def send_to_address(self, address, amount, comment):
try:
txid = self.proxy.sendtoaddress(address, amount, comment)
except exc.RpcWalletUnlockNeeded:
raise cryptoNodeException('Wallet locked - please unlock')
except exc.RpcWalletInsufficientFunds:
raise cryptoNodeException('Insufficient funds in wallet')
except exc.RpcTypeError:
raise cryptoNodeException('Invalid amount')
except exc.RpcWalletError:
raise cryptoNodeException('Amount too small')
else:
return txid
############################################################################
def shutdown(self):
pass
class eccoinNode(cryptoNode):
version_min = 30000
version_max = 99999
win_zmq_bug = 30300
version_fPacketSig = 30300
serviceIdx = count(start=1)
respondIdx = count(start=1)
############################################################################
def __init__(self,
symbol,
rpc_address,
rpc_user,
rpc_pass,
service_id=1,
respond_id=None):
super().__init__(symbol, rpc_address, rpc_user, rpc_pass)
self.proxy = Proxy(
'http://%s:%s@%s' %
(rpc_user, rpc_pass, rpc_address)) # Not thread safe ...
self.prox2 = Proxy(
'http://%s:%s@%s' %
(rpc_user, rpc_pass, rpc_address)) # ... hence needing 2
self.serviceId = service_id
self.respondId = respond_id
self.serviceKey = ''
self.respondKey = ''
self.routingTag = ''
self.ecresolve_tags = []
# ECC feature flags (based on version number)
self.fPacketSig = False
# Caching prior unlock state for post transaction reversion
self.cached_prior_walletinfo = {}
############################################################################
def __getattr__(self, method):
return getattr(self.proxy, method)
############################################################################
def initialise(self):
try:
info = self.proxy.getnetworkinfo()
except ValueError:
raise cryptoNodeException(
'Failed to connect - error in rpcuser or rpcpassword for eccoin'
)
except pycurl.error:
raise cryptoNodeException(
'Failed to connect - check that eccoin daemon is running')
except exc.RpcInWarmUp:
raise cryptoNodeException(
'Failed to connect - eccoin daemon is starting but not ready - try again after 60 seconds'
)
except exc.RpcMethodNotFound:
raise cryptoNodeException(
'RPC getnetworkinfo unavailable for {} daemon'.format(
self.symbol))
# ECC daemon version checking and feature enablement
if not self.version_min <= info['version'] <= self.version_max:
raise cryptoNodeException(
'eccoind version {} not supported - please run a version in the range {}-{}'
.format(info['version'], self.version_min, self.version_max))
if (info['version'] == self.win_zmq_bug) and (sys.platform
in ['win32', 'cygwin']):
raise cryptoNodeException(
'eccoind version {} not supported on Windows - please upgrade'.
format(info['version']))
self.fPacketSig = info['version'] >= self.version_fPacketSig
# ECC messaging buffer setup
try:
self.routingTag = self.proxy.getroutingpubkey()
if self.serviceId:
self.serviceKey = self.proxy.registerbuffer(self.serviceId)
if self.respondId:
self.respondKey = self.proxy.registerbuffer(self.respondId)
except exc.RpcInternalError:
raise cryptoNodeException(
'API Buffer was not correctly unregistered or another instance running - try again after 60 seconds'
)
# ZMQ detection and configuration loading
try:
zmqnotifications = self.proxy.getzmqnotifications()
except pycurl.error:
raise cryptoNodeException(
'Blockchain node for {} not available or incorrectly configured'
.format(self.symbol))
except (exc.RpcMethodNotFound, ValueError):
zmqnotifications = []
for zmqnotification in zmqnotifications:
if zmqnotification['type'] == 'pubhashblock':
self.zmqAddress = zmqnotification['address']
# Load ecresolve routing tags and setup routes for subsequent ecc network name resolution
self.ecresolve_tags = self.get_ecresolve_tags()
route = []
for tag in self.ecresolve_tags:
try:
self.proxy.findroute(tag)
route.append(self.proxy.haveroute(tag))
except exc.RpcInvalidAddressOrKey:
raise cryptoNodeException(
'Routing tag for ecresolve has invalid base64 encoding : {}'
.format(tag))
if not any(route):
raise cryptoNodeException(
'No route available to ecresolve across all {} configured routing tags'
.format(len(self.ecresolve_tags)))
############################################################################
def refresh(self):
self.blocks = self.proxy.getblockcount()
self.peers = self.proxy.getconnectioncount()
############################################################################
def get_balance(self):
return self.proxy.getbalance()
############################################################################
def get_unlocked_balance(self):
return self.proxy.getbalance()
############################################################################
def get_unconfirmed_balance(self):
return self.proxy.getunconfirmedbalance()
############################################################################
def get_new_address(self):
return self.proxy.getnewaddress()
############################################################################
def wallet_locked(self, cache_prior_state=False):
info = self.proxy.getwalletinfo()
if cache_prior_state and info.keys() >= {
'unlocked_until', 'staking_only_unlock'
}:
self.cached_prior_walletinfo = info.copy()
if 'unlocked_until' in info:
if 'staking_only_unlock' in info:
return info['staking_only_unlock'] or (info['unlocked_until']
== 0)
else:
return info['unlocked_until'] == 0
return False # unencrypted wallet
############################################################################
def unlock_wallet(self, passphrase, seconds, staking=False):
try:
self.proxy.walletpassphrase(passphrase, seconds, staking)
except exc.RpcWalletPassphraseIncorrect:
return False
else:
# Cache passphrase for later call to revert_wallet_lock
if self.cached_prior_walletinfo:
self.cached_prior_walletinfo['passphrase'] = passphrase
return True
############################################################################
def revert_wallet_lock(self):
if self.cached_prior_walletinfo and 'passphrase' in self.cached_prior_walletinfo:
if self.cached_prior_walletinfo['unlocked_until'] > 0:
seconds = self.cached_prior_walletinfo['unlocked_until'] - int(
time.time())
self.unlock_wallet(
self.cached_prior_walletinfo['passphrase'], seconds,
self.cached_prior_walletinfo['staking_only_unlock'])
self.cached_prior_walletinfo.clear()
############################################################################
def send_to_address(self, address, amount, comment):
try:
txid = self.proxy.sendtoaddress(address, amount, comment)
except exc.RpcWalletUnlockNeeded:
raise cryptoNodeException('Wallet locked - please unlock')
except exc.RpcWalletInsufficientFunds:
raise cryptoNodeException('Insufficient funds in wallet')
except exc.RpcTypeError:
raise cryptoNodeException('Invalid amount')
except exc.RpcWalletError:
raise cryptoNodeException('Amount too small')
else:
return txid
############################################################################
def reset_service_buffer_timeout(self):
if self.serviceKey:
try:
bufferSig = self.prox2.buffersignmessage(
self.serviceKey, 'ResetBufferTimeout')
self.prox2.resetbuffertimeout(self.serviceId, bufferSig)
except pycurl.error:
self.serviceKey = ''
raise cryptoNodeException(
'Failed to connect - check that eccoin daemon is running')
return True
return False
############################################################################
def reset_respond_buffer_timeout(self):
if self.respondKey:
try:
bufferSig = self.prox2.buffersignmessage(
self.respondKey, 'ResetBufferTimeout')
self.prox2.resetbuffertimeout(self.respondId, bufferSig)
except pycurl.error:
self.serviceKey = ''
raise cryptoNodeException(
'Failed to connect - check that eccoin daemon is running')
return True
return False
############################################################################
def reset_buffer_timeouts(self):
serviceResult = self.reset_service_buffer_timeout()
respondResult = self.reset_respond_buffer_timeout()
return serviceResult or respondResult # OR semantics because the return value is used to gate timer setup
############################################################################
def get_ecresolve_tags(self):
domain = 'ecchat.io'
# TODO - Make this daemon version dependent ref new RPC
tags = []
try:
resolved = dns.resolver.resolve(domain, 'TXT')
except:
raise cryptoNodeException(
'Error while resolving ecresolve routing tags from {} TXT record'
.format(domain))
for entry in resolved:
decoded_entry = entry.to_text()[1:-1].split('=', 1)
if (len(decoded_entry) == 2) and (decoded_entry[0] == 'ecresolve'):
tags.append(decoded_entry[1])
return tags
############################################################################
def setup_route(self, targetRoute):
try:
self.proxy.findroute(targetRoute)
isRoute = self.proxy.haveroute(targetRoute)
except exc.RpcInvalidAddressOrKey:
raise cryptoNodeException(
'Routing tag has invalid base64 encoding : {}'.format(
targetRoute))
if not isRoute:
raise cryptoNodeException(
'No route available to : {}'.format(targetRoute))
############################################################################
def send_packet(self, dest_key, protocol_id, data):
if self.fPacketSig:
signature = self.proxy.tagsignmessage(data)
self.proxy.sendpacket(dest_key, protocol_id, data, self.routingTag,
signature)
else:
self.proxy.sendpacket(dest_key, protocol_id, data)
############################################################################
def get_service_buffer(self):
if self.serviceKey:
bufferCmd = 'GetBufferRequest:' + str(self.serviceId) + str(
next(self.serviceIdx))
bufferSig = self.proxy.buffersignmessage(self.serviceKey,
bufferCmd)
eccbuffer = self.proxy.getbuffer(self.serviceId, bufferSig)
return eccbuffer
else:
return None
############################################################################
def get_respond_buffer(self):
if self.respondKey:
bufferCmd = 'GetBufferRequest:' + str(self.respondId) + str(
next(self.respondIdx))
bufferSig = self.proxy.buffersignmessage(self.respondKey,
bufferCmd)
eccbuffer = self.proxy.getbuffer(self.respondId, bufferSig)
return eccbuffer
else:
return None
############################################################################
def get_buffer(self, protocol_id=1):
if protocol_id == self.serviceId:
return self.get_service_buffer()
if protocol_id == self.respondId:
return self.get_respond_buffer()
return None
############################################################################
def shutdown(self):
if self.serviceKey:
bufferSig = self.proxy.buffersignmessage(self.serviceKey,
'ReleaseBufferRequest')
self.proxy.releasebuffer(self.serviceId, bufferSig)
self.serviceKey = ''
if self.respondKey:
bufferSig = self.proxy.buffersignmessage(self.respondKey,
'ReleaseBufferRequest')
self.proxy.releasebuffer(self.respondId, bufferSig)
self.respondKey = ''
