def getrawtransaction( bitcoind_or_opts, txid, verbose=0 ):
"""
Get a raw transaction by txid.
Only call out to bitcoind if we need to.
"""
exc_to_raise = None
bitcoind = get_bitcoind( bitcoind_or_opts )
if bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
try:
tx = bitcoind.getrawtransaction( txid, verbose )
except JSONRPCException, je:
log.error("\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" % (os.getpid(), repr(je.error)))
exc_to_raise = je
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" % (os.getpid(), repr(e)))
exc_to_raise = e
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
return tx
def getrawtransaction( bitcoind_or_opts, txid, verbose=0 ):
"""
Get a raw transaction by txid.
Only call out to bitcoind if we need to.
"""
exc_to_raise = None
bitcoind = get_bitcoind( bitcoind_or_opts )
if bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
try:
tx = bitcoind.getrawtransaction( txid, verbose )
except JSONRPCException, je:
log.error("\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" % (os.getpid(), repr(je.error)))
exc_to_raise = je
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" % (os.getpid(), repr(e)))
exc_to_raise = e
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
return tx
def getblock(bitcoind_or_opts, block_hash):
"""
Get a block's data, given its hash.
"""
bitcoind = get_bitcoind(bitcoind_or_opts)
if bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
exc_to_raise = None
bitcoind = get_bitcoind(bitcoind_or_opts)
attempts = 0
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
block_data = bitcoind.getblock(block_hash)
except JSONRPCException, je:
log.error("\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" %
(os.getpid(), repr(je.error)))
exc_to_raise = je
attempts += 1
# probably a transient bitcoind failure
# exponential backof with jitter
time.sleep(2**attempts + random.randint(0, 2**(attempts - 1)))
bitcoind = multiprocess_bitcoind(bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" %
(os.getpid(), repr(e)))
exc_to_raise = e
attempts += 1
# probably a transient network failure
# exponential backoff with jitter
time.sleep(2**attempts + random.randint(0, 2**(attempts - 1)))
bitcoind = multiprocess_bitcoind(bitcoind.opts, reset=True)
continue
def getblock( bitcoind_or_opts, block_hash ):
"""
Get a block's data, given its hash.
"""
bitcoind = get_bitcoind( bitcoind_or_opts )
if bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
exc_to_raise = None
bitcoind = get_bitcoind( bitcoind_or_opts )
attempts = 0
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
block_data = bitcoind.getblock( block_hash )
except JSONRPCException, je:
log.error("\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" % (os.getpid(), repr(je.error)))
exc_to_raise = je
attempts += 1
# probably a transient bitcoind failure
# exponential backof with jitter
time.sleep(2**attempts + random.randint( 0, 2**(attempts - 1)) )
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" % (os.getpid(), repr(e)))
exc_to_raise = e
attempts += 1
# probably a transient network failure
# exponential backoff with jitter
time.sleep(2**attempts + random.randint( 0, 2**(attempts - 1)) )
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
def getblockhash(bitcoind_or_opts, block_number, reset):
"""
Get a block's hash, given its ID.
Return None if there are no options
"""
exc_to_raise = None # exception to raise if we fail
bitcoind = get_bitcoind(bitcoind_or_opts)
if not reset and bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
if reset:
new_opts = get_bitcoind_opts(bitcoind_or_opts)
bitcoind = multiprocess_bitcoind(new_opts, reset=True)
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
try:
block_hash = bitcoind.getblockhash(block_number)
except JSONRPCException, je:
log.error(
"\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" %
(os.getpid(), repr(je.error)))
exc_to_raise = je
bitcoind = multiprocess_bitcoind(bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" %
(os.getpid(), repr(e)))
exc_to_raise = e
bitcoind = multiprocess_bitcoind(bitcoind.opts, reset=True)
continue
return block_hash
def getblockhash( bitcoind_or_opts, block_number, reset ):
"""
Get a block's hash, given its ID.
Return None if there are no options
"""
exc_to_raise = None # exception to raise if we fail
bitcoind = get_bitcoind( bitcoind_or_opts )
if not reset and bitcoind is None and bitcoind_or_opts is None:
raise Exception("No bitcoind or opts given")
if reset:
new_opts = get_bitcoind_opts( bitcoind_or_opts )
bitcoind = multiprocess_bitcoind( new_opts, reset=True )
for i in xrange(0, MULTIPROCESS_RPC_RETRY):
try:
try:
block_hash = bitcoind.getblockhash( block_number )
except JSONRPCException, je:
log.error("\n\n[%s] Caught JSONRPCException from bitcoind: %s\n" % (os.getpid(), repr(je.error)))
exc_to_raise = je
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
except Exception, e:
log.error("\n\n[%s] Caught Exception from bitcoind: %s" % (os.getpid(), repr(e)))
exc_to_raise = e
bitcoind = multiprocess_bitcoind( bitcoind.opts, reset=True)
continue
return block_hash
def get_bitcoind(bitcoind_or_opts):
"""
Given either a bitcoind API endpoint proxy,
or a dictionary of options to generate one in a
process-local context, return a bitcoind API endpoint
proxy.
"""
if type(bitcoind_or_opts) == types.DictType or bitcoind_or_opts is None:
# instantiate from options
if bitcoind_or_opts is None:
bitcoind_or_opts = multiprocess_bitcoind_opts()
return multiprocess_bitcoind(bitcoind_or_opts)
else:
# already an endpoint
return bitcoind_or_opts
def get_bitcoind( bitcoind_or_opts ):
"""
Given either a bitcoind API endpoint proxy,
or a dictionary of options to generate one in a
process-local context, return a bitcoind API endpoint
proxy.
"""
if type(bitcoind_or_opts) == types.DictType or bitcoind_or_opts is None:
# instantiate from options
if bitcoind_or_opts is None:
bitcoind_or_opts = multiprocess_bitcoind_opts()
return multiprocess_bitcoind( bitcoind_or_opts )
else:
# already an endpoint
return bitcoind_or_opts
