def publish_raw_tx(self, key_name, doc_root_hash):
if (doc_root_hash == ''):
ErrorNotification.new(
'ERROR. doc_root_hash is EMPTY. Aborting publish_raw_tx ')
return
already_published = Utxo.query(Utxo.doc_fk == doc_root_hash).fetch()
if len(already_published) > 0:
ErrorNotification.new(
'WARNING. doc_root_hash: ' + doc_root_hash +
' was already published. Aborting publish_raw_tx ')
return
unused_utxo = Utxo.get_doc()
if not unused_utxo:
ErrorNotification.new(
'ERROR. No bitcoins available to spend. doc_root_hash: ' +
doc_root_hash)
return
unused_utxo.doc_fk = doc_root_hash
txid, message = publish_data(binascii.unhexlify(doc_root_hash),
unused_utxo)
k = ndb.Key('DocRoot', key_name)
doc_root = k.get()
if (txid != None):
doc_root.txid = txid
doc_root.put()
unused_utxo.date_bcast = test.utcnow()
unused_utxo.put()
else:
ErrorNotification.new('ERROR. publish_data for doc_root_hash: ' +
doc_root_hash + ' Message: ' + message)
def publish_raw_tx(self, key_name, doc_root_hash):
if (doc_root_hash==''):
ErrorNotification.new('ERROR. doc_root_hash is EMPTY. Aborting publish_raw_tx ')
return
already_published=Utxo.query(Utxo.doc_fk==doc_root_hash).fetch()
if len(already_published)>0:
ErrorNotification.new('WARNING. doc_root_hash: '+doc_root_hash+ ' was already published. Aborting publish_raw_tx ')
return
unused_utxo=Utxo.get_doc()
if not unused_utxo:
ErrorNotification.new('ERROR. No bitcoins available to spend. doc_root_hash: ' + doc_root_hash)
return
unused_utxo.doc_fk=doc_root_hash
txid, message=publish_data(binascii.unhexlify(doc_root_hash), unused_utxo)
k=ndb.Key('DocRoot', key_name)
doc_root=k.get()
if (txid!=None):
doc_root.txid=txid
doc_root.put()
unused_utxo.date_bcast=test.utcnow()
unused_utxo.put()
else:
ErrorNotification.new('ERROR. publish_data for doc_root_hash: '+doc_root_hash+' Message: '+message)
def blockchain_certify(self):
if self.tx:
return {"success": False, "error": "already certified"}
txid, message = publish_data(self.digest.decode('hex'))
if txid:
self.tx = txid
self.txstamp = datetime.datetime.now()
LatestBlockchainDocuments.get_inst().add_document(self.digest)
self.put()
return {"success": txid is not None, "tx": txid, "message": message}
def blockchain_certify(self):
if self.tx:
return {"success" : False, "error": "already certified"}
txid, message = publish_data(self.digest.decode('hex'))
if txid:
self.tx = txid
self.txstamp = datetime.datetime.now()
LatestBlockchainDocuments.get_inst().add_document(self.digest)
self.put()
return {"success" : txid is not None, "tx" : txid, "message" : message}
def handle(self):
digest = self.request.get("d")
doc = Document.get_doc(digest)
if not doc or doc.tx:
return {"success" : False, "error": "format"}
# TODO: add check to prevent double timestamping
txid, message = publish_data(doc.digest.decode('hex'))
if txid:
doc.tx = txid
doc.txstamp = datetime.datetime.now()
LatestBlockchainDocuments.get_inst().add_document(digest)
doc.put()
return {"success" : txid is not None, "tx" : txid, "message" : message}
def handle(self):
digest = self.request.get("d")
doc = Document.get_doc(digest)
if not doc or doc.tx:
return {"success": False, "error": "format"}
# TODO: add check to prevent double timestamping
txid, message = publish_data(doc.digest.decode('hex'))
if txid:
doc.tx = txid
doc.txstamp = datetime.datetime.now()
LatestBlockchainDocuments.get_inst().add_document(digest)
doc.put()
return {"success": txid is not None, "tx": txid, "message": message}
