Complete Token tracking system
This commit is contained in:
Vivek Teega
parent
f49693d71b
commit
e88ec4f727
@ -1,6 +1,4 @@
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[DEFAULT]
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NET = testnet
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FLO_CLI_PATH = /usr/local/bin/flo-cli
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START_BLOCK = 498770
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START_BLOCK = 525300
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59
models.py
59
models.py
@ -5,44 +5,36 @@ Base = declarative_base()
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ContractBase = declarative_base()
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SystemBase = declarative_base()
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class Extra(Base):
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__tablename__ = "extra"
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id = Column('id', Integer, primary_key=True)
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lastblockscanned = Column('lastblockscanned', Integer)
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class TransactionHistory(Base):
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__tablename__ = "transactionhistory"
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id = Column('id', Integer, primary_key=True)
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blockno = Column('blockno', Integer)
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fromAddress = Column('fromAddress', String)
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toAddress = Column('toAddress', String)
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amount = Column('amount', Float)
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blockchainReference = Column('blockchainReference', String)
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class TransactionTable(Base):
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__tablename__ = "transactiontable"
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class ActiveTable(Base):
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__tablename__ = "activeTable"
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id = Column('id', Integer, primary_key=True)
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address = Column('address', String)
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parentid = Column('parentid', Integer)
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consumedpid = Column('consumedpid', String)
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transferBalance = Column('transferBalance', Float)
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class ConsumedTable(Base):
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__tablename__ = "consumedTable"
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primaryKey = Column('primaryKey', Integer, primary_key=True)
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id = Column('id', Integer)
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address = Column('address', String)
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parentid = Column('parentid', Integer)
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consumedpid = Column('consumedpid', String)
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transferBalance = Column('transferBalance', Float)
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class TransferLogs(Base):
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__tablename__ = "transferlogs"
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id = Column('id', Integer, primary_key=True)
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primaryIDReference = Column('primaryIDReference', Integer)
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transferDescription = Column('transferDescription', String)
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transferIDConsumed = Column('transferIDConsumed', Integer)
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blockchainReference = Column('blockchainReference', String)
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class Webtable(Base):
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__tablename__ = "webtable"
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id = Column('id', Integer, primary_key=True)
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transferDescription = Column('transferDescription', String)
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primary_key = Column('id', Integer, primary_key=True)
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sourceFloAddress = Column('sourceFloAddress', String)
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destFloAddress = Column('destFloAddress', String)
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transferAmount = Column('transferAmount', Float)
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sourceId = Column('sourceId', Integer)
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destinationId = Column('destinationId', Integer)
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blockNumber = Column('blockNumber', Integer)
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time = Column('time', Integer)
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blockchainReference = Column('blockchainReference', String)
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class ContractStructure(ContractBase):
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@ -59,7 +51,7 @@ class ContractParticipants(ContractBase):
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id = Column('id', Integer, primary_key=True)
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participantAddress = Column('participantAddress', String)
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tokenAmount = Column('tokenAmount', Float)
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contractCondition = Column('contractCondition', String)
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userPreference = Column('userPreference', String)
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class ActiveContracts(SystemBase):
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__tablename__ = "activecontracts"
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@ -68,3 +60,10 @@ class ActiveContracts(SystemBase):
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contractName = Column('contractName', String)
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contractAddress = Column('contractAddress', String)
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class SystemData(SystemBase):
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__tablename__ = "systemData"
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id = Column('id', Integer, primary_key=True)
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attribute = Column('attribute', String)
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value = Column('value', String)
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94
parsing.py
94
parsing.py
@ -29,7 +29,7 @@ def isSmartContract(text):
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for word in textList:
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if word == '':
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continue
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if word.endswith('@'):
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if word.endswith('@') and len(word) != 1:
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return word
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return False
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@ -74,7 +74,7 @@ def extractMarker(text):
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for word in textList:
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if word == '':
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continue
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if word.endswith('#'):
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if word.endswith('#') and len(word) != 1:
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return word
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return False
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@ -82,15 +82,27 @@ def extractMarker(text):
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def extractInitTokens(text):
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base_units = {'thousand':10**3 , 'million':10**6 ,'billion':10**9, 'trillion':10**12}
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textList = text.split(' ')
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counter = 0
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value = None
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for idx,word in enumerate(textList):
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try:
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result = float(word)
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if textList[idx+1] in base_units:
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return result*base_units[textList[idx+1]]
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return result
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except:
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continue
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return None
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for unit in base_units:
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result = word.split(unit)
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if len(result) == 1:
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try:
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result = float(word)
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if textList[idx+1] in base_units:
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value = result*base_units[textList[idx+1]]
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counter = counter + 1
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except:
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continue
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elif len(result) == 2 and result[1]=='':
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value = float(result[0])*base_units[unit]
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counter = counter + 1
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if counter == 1:
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return value
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else:
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return None
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def extractAddress(text):
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@ -98,7 +110,7 @@ def extractAddress(text):
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for word in textList:
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if word == '':
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continue
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if word[-1] == '$':
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if word[-1] == '$' and len(word) != 1:
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return word
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return None
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@ -145,6 +157,10 @@ def extractContractConditions(text, contracttype, marker):
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extractedRules['smartcontractpays'][idx] = condition.strip()
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else:
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print("something is wrong with smartcontractpays conditions")
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elif rule[:10]=='expirytime':
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pattern = re.compile('[^expirytime="].*[^"]')
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searchResult = pattern.search(rule).group(0)
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extractedRules['expirytime'] = searchResult
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if 'userassetcommitment' in extractedRules and 'smartcontractpays' in extractedRules:
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return extractedRules
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@ -164,37 +180,55 @@ def extractTriggerCondition(text):
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# Combine test
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def parse_flodata(string):
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# todo Rule 20 - remove 'text:' from the start of flodata if it exists
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if string[0:5] == 'text:':
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string = string.split('text:')[1]
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# todo Rule 21 - Collapse multiple spaces into a single space in the whole of flodata
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# todo Rule 22 - convert flodata to lowercase to make the system case insensitive
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nospacestring = re.sub(' +', ' ', string)
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cleanstring = nospacestring.lower()
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# todo Rule 23 - Count number of words ending with @ and #
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atList = []
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hashList = []
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for word in cleanstring.split(' '):
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if word.endswith('@'):
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if word.endswith('@') and len(word) != 1:
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atList.append(word)
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if word.endswith('#'):
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if word.endswith('#') and len(word) != 1:
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hashList.append(word)
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# todo Rule 24 - Reject the following conditions - a. number of # & number of @ is equal to 0 then reject
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# todo Rule 25 - If number of # or number of @ is greater than 1, reject
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# todo Rule 25.a - If a transaction is rejected, it means parsed_data type is noise
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# Filter noise first - check if the words end with either @ or #
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if (len(atList)==0 and len(hashList)==0) or len(atList)>1 or len(hashList)>1:
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parsed_data = {'type': 'noise'}
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# todo Rule 26 - if number of # is 1 and number of @ is 0, then check if its token creation or token transfer transaction
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elif len(hashList)==1 and len(atList)==0:
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# Passing the above check means token creation or transfer
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incorporation = isIncorp(cleanstring)
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transfer = isTransfer(cleanstring)
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if incorporation and not transfer:
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# todo Rule 27 - if (neither token incorporation and token transfer) OR both token incorporation and token transfer, reject
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if (not incorporation and not transfer) or (incorporation and transfer):
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parsed_data = {'type': 'noise'}
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# todo Rule 28 - if token creation and not token transfer then it is confirmed that is it a token creation transaction
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# todo Rule 29 - Extract total number of tokens issued, if its not mentioned then reject
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elif incorporation and not transfer:
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initTokens = extractInitTokens(cleanstring)
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if initTokens is not None:
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parsed_data = {'type': 'tokenIncorporation', 'flodata': string, 'tokenIdentification': hashList[0][:-1],
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'tokenAmount': initTokens}
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else:
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parsed_data = {'type': 'noise'}
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# todo Rule 30 - if not token creation and is token transfer then then process it for token transfer rules
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# todo Rule 31 - Extract number of tokens to be sent and the address to which to be sent, both data is mandatory
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elif not incorporation and transfer:
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amount = extractAmount(cleanstring, hashList[0][:-1])
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address = extractAddress(nospacestring)
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@ -204,15 +238,19 @@ def parse_flodata(string):
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'tokenAmount': amount, 'address': address[:-1]}
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else:
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parsed_data = {'type': 'noise'}
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else:
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parsed_data = {'type': 'noise'}
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# todo Rule 32 - if number of # is 1 and number of @ is 1, then process for smart contract transfer or creation
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elif len(hashList)==1 and len(atList)==1:
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# Passing the above check means Smart Contract creation or transfer
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incorporation = isIncorp(cleanstring)
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transfer = isTransfer(cleanstring)
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if incorporation and not transfer:
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# todo Rule 33 - if a confusing smart contract command is given, like creating and sending at the same time, or no
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if (not incorporation and not transfer) or (incorporation and transfer):
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parsed_data = {'type': 'noise'}
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# todo Rule 34 - if incorporation and not transfer, then extract type of contract, address of the contract and conditions of the contract. Reject if any of those is not present
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elif incorporation and not transfer:
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contracttype = extractContractType(cleanstring)
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contractaddress = extractAddress(nospacestring)
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contractconditions = extractContractConditions(cleanstring, 'betting*', marker)
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@ -224,29 +262,31 @@ def parse_flodata(string):
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'contractConditions': contractconditions}
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else:
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parsed_data = {'type': 'noise'}
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# todo Rule 35 - if it is not incorporation and it is transfer, then extract smart contract amount to be locked and userPreference. If any of them is missing, then reject
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elif not incorporation and transfer:
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# We are at the send/transfer of smart contract
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amount = extractAmount(cleanstring, hashList[0][:-1])
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contractcondition = extractContractCondition(cleanstring)
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if None not in [amount, contractcondition]:
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userPreference = extractContractCondition(cleanstring)
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if None not in [amount, userPreference]:
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parsed_data = {'type': 'transfer', 'transferType': 'smartContract', 'flodata': string,
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'tokenIdentification': hashList[0][:-1],
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'operation': 'transfer', 'tokenAmount': amount, 'contractName': atList[0][:-1],
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'contractCondition': contractcondition}
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'userPreference': userPreference}
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else:
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parsed_data = {'type': 'noise'}
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else:
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parsed_data = {'type': 'noise'}
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elif len(hashList)==0 and len(atList)==1:
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# todo Rule 36 - Check for only a single @ and the substring "smart contract system says" in flodata, else reject
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elif (len(hashList)==0 and len(atList)==1) and 'smart contract system says' in cleanstring:
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# Passing the above check means Smart Contract pays | exitcondition triggered from the committee
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# todo Rule 37 - Extract the trigger condition given by the committee. If its missing, reject
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triggerCondition = extractTriggerCondition(cleanstring)
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if triggerCondition is not None:
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parsed_data = {'type': 'smartContractPays', 'contractName': atList[0][:-1], 'triggerCondition': triggerCondition.group().strip()[1:-1]}
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else:
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parsed_data = {'type':'noise'}
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else:
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parsed_data = {'type': 'noise'}
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return parsed_data
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result = parse_flodata("for contractname@ Smart Contract System says 'NAMO=WIN'")
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print(result)
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return parsed_data
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BIN
tokens/rmt.db
Normal file
BIN
tokens/rmt.db
Normal file
Binary file not shown.
@ -1,369 +0,0 @@
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import requests
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import json
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import sqlite3
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import argparse
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import configparser
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import subprocess
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import sys
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import parsing
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import os
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import shutil
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from sqlalchemy.orm import sessionmaker, relationship
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from sqlalchemy import create_engine, func, desc
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from models import Extra, TransactionHistory, TransactionTable, TransferLogs, Webtable, Base, ContractStructure, ContractBase, ContractParticipants, SystemBase, ActiveContracts
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committeeAddressList = ['oUc4dVvxwK7w5MHUHtev8UawN3eDjiZnNx']
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def transferToken(tokenIdentification, tokenAmount, inputAddress, outputAddress):
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engine = create_engine('sqlite:///tokens/{}.db'.format(tokenIdentification), echo=True)
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Base.metadata.create_all(bind=engine)
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session = sessionmaker(bind=engine)()
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availableTokens = session.query(func.sum(TransactionTable.transferBalance)).filter_by(address=inputAddress).all()[0][0]
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commentTransferAmount = tokenAmount
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if availableTokens is None:
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print("The input address dosen't exist in our database ")
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session.close()
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return None
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elif availableTokens < commentTransferAmount:
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print(
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"\nThe transfer amount passed in the comments is more than the user owns\nThis transaction will be discarded\n")
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session.close()
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return None
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elif availableTokens >= commentTransferAmount:
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table = session.query(TransactionTable).filter(TransactionTable.address==inputAddress, TransactionTable.transferBalance>0).all()
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pidlst = []
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checksum = 0
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for row in table:
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if checksum >= commentTransferAmount:
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break
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pidlst.append(row.id)
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checksum = checksum + row.transferBalance
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balance = commentTransferAmount
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opbalance = session.query(func.sum(TransactionTable.transferBalance)).filter_by(address=outputAddress).all()[0][0]
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if opbalance is None:
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opbalance = 0
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ipbalance = availableTokens
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for pid in pidlst:
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temp = session.query(TransactionTable.transferBalance).filter_by(id=pid).all()[0][0]
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if balance <= temp:
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session.add(TransactionTable(address=outputAddress, parentid=pid, transferBalance=balance))
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entry = session.query(TransactionTable).filter(TransactionTable.id == pid).all()
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entry[0].transferBalance = temp - balance
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session.commit()
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## transaction logs section ##
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result = session.query(TransactionTable.id).order_by(desc(TransactionTable.id)).all()
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lastid = result[-1].id
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transferDescription = str(balance) + " tokens transferred to " + str(
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outputAddress) + " from " + str(inputAddress)
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blockchainReference = '{}tx/{}'.format(neturl, str(transaction))
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session.add(TransferLogs(primaryIDReference=lastid, transferDescription=transferDescription,
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transferIDConsumed=pid, blockchainReference=blockchainReference))
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transferDescription = str(inputAddress) + " balance UPDATED from " + str(
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temp) + " to " + str(temp - balance)
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blockchainReference = '{}tx/{}'.format(neturl, str(transaction))
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session.add(TransferLogs(primaryIDReference=pid, transferDescription=transferDescription,
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blockchainReference=blockchainReference))
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## transaction history table ##
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session.add(TransactionHistory(blockno=blockindex, fromAddress=inputAddress,
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toAddress=outputAddress, amount=str(balance),
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blockchainReference=blockchainReference))
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##webpage table section ##
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transferDescription = str(commentTransferAmount) + " tokens transferred from " + str(
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inputAddress) + " to " + str(outputAddress)
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session.add(
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Webtable(transferDescription=transferDescription, blockchainReference=blockchainReference))
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transferDescription = "UPDATE " + str(outputAddress) + " balance from " + str(
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opbalance) + " to " + str(opbalance + commentTransferAmount)
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session.add(
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Webtable(transferDescription=transferDescription, blockchainReference=blockchainReference))
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transferDescription = "UPDATE " + str(inputAddress) + " balance from " + str(
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ipbalance) + " to " + str(ipbalance - commentTransferAmount)
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session.add(
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Webtable(transferDescription=transferDescription, blockchainReference=blockchainReference))
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balance = 0
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session.commit()
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elif balance > temp:
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session.add(TransactionTable(address=outputAddress, parentid=pid, transferBalance=temp))
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entry = session.query(TransactionTable).filter(TransactionTable.id == pid).all()
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entry[0].transferBalance = 0
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session.commit()
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##transaction logs section ##
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result = session.query(TransactionTable.id).order_by(desc(TransactionTable.id)).all()
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lastid = result[-1].id
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transferDescription = str(temp) + " tokens transferred to " + str(outputAddress) + " from " + str(inputAddress)
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blockchainReference = '{}tx/{}'.format(neturl, str(transaction))
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session.add(TransferLogs(primaryIDReference=lastid, transferDescription=transferDescription,
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transferIDConsumed=pid, blockchainReference=blockchainReference))
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transferDescription = str() + " balance UPDATED from " + str(temp) + " to " + str(0)
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blockchainReference = '{}tx/{}'.format(neturl, str(transaction))
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session.add(TransferLogs(primaryIDReference=pid, transferDescription=transferDescription,
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blockchainReference=blockchainReference))
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## transaction history table ##
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session.add(TransactionHistory(blockno=blockindex, fromAddress=inputAddress,
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toAddress=outputAddress, amount=str(balance),
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blockchainReference=blockchainReference))
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balance = balance - temp
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session.commit()
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session.close()
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return 1
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def startWorking(transaction_data, parsed_data):
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# Do the necessary checks for the inputs and outputs
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# Create inputlist and outputlist
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inputlist = []
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querylist = []
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for obj in transaction_data["vin"]:
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querylist.append([obj["txid"], obj["vout"]])
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if len(querylist) > 1:
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print("Program has detected more than one input address ")
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print("This transaction will be discarded")
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return
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inputval = 0
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inputadd = ''
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for query in querylist:
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string = "{} getrawtransaction {} 1".format(localapi, str(query[0]))
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response = subprocess.check_output(string, shell=True)
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content = json.loads(response.decode("utf-8"))
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|
||||
for objec in content["vout"]:
|
||||
if objec["n"] == query[1]:
|
||||
inputadd = objec["scriptPubKey"]["addresses"][0]
|
||||
inputval = inputval + objec["value"]
|
||||
|
||||
inputlist = [[inputadd, inputval]]
|
||||
|
||||
if len(transaction_data["vout"]) > 2:
|
||||
print("Program has detected more than one output address ")
|
||||
print("This transaction will be discarded")
|
||||
return
|
||||
|
||||
outputlist = []
|
||||
for obj in transaction_data["vout"]:
|
||||
if obj["scriptPubKey"]["type"] == "pubkeyhash":
|
||||
if inputlist[0][0] == obj["scriptPubKey"]["addresses"][0]:
|
||||
continue
|
||||
|
||||
outputlist.append([obj["scriptPubKey"]["addresses"][0], obj["value"]])
|
||||
|
||||
print("\n\nInput List")
|
||||
print(inputlist)
|
||||
print("\nOutput List")
|
||||
print(outputlist)
|
||||
|
||||
|
||||
# Do operations as per the type of transaction
|
||||
if parsed_data['type'] == 'transfer':
|
||||
print('Found a transaction of the type transfer')
|
||||
|
||||
if parsed_data['transferType'] == 'token':
|
||||
|
||||
returnval = transferToken(parsed_data['tokenIdentification'], parsed_data['tokenAmount'], inputlist[0][0], outputlist[0][0])
|
||||
if returnval is None:
|
||||
print("Something went wrong in the token transfer method")
|
||||
|
||||
elif parsed_data['transferType'] == 'smartContract':
|
||||
|
||||
# Check if the tokenAmount being transferred exists in the address & do the token transfer
|
||||
returnval = transferToken(parsed_data['tokenIdentification'], parsed_data['tokenAmount'], inputlist[0][0], outputlist[0][0])
|
||||
if returnval is not None:
|
||||
# Store participant details in the smart contract's db
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
Base.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(ContractParticipants(participantAddress=inputadd, tokenAmount=parsed_data['tokenAmount'],
|
||||
contractCondition=parsed_data['contractCondition']))
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
|
||||
else:
|
||||
print("Something went wrong in the smartcontract token transfer method")
|
||||
|
||||
|
||||
elif parsed_data['type'] == 'tokenIncorporation':
|
||||
if not os.path.isfile('./tokens/{}.db'.format(parsed_data['tokenIdentification'])):
|
||||
engine = create_engine('sqlite:///tokens/{}.db'.format(parsed_data['tokenIdentification']), echo=True)
|
||||
Base.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(TransactionTable(address=outputlist[0][0], parentid=0, transferBalance=parsed_data['tokenAmount']))
|
||||
session.commit()
|
||||
session.close()
|
||||
else:
|
||||
print('Transaction rejected as the token with same name has already been incorporated')
|
||||
|
||||
elif parsed_data['type'] == 'smartContractIncorporation':
|
||||
if not os.path.isfile('./smartContracts/{}.db'.format(parsed_data['contractName'])):
|
||||
if parsed_data['contractType'] == 'betting':
|
||||
print("Smart contract is of the type betting")
|
||||
if parsed_data['contractName'] is not None and parsed_data['contractAddress'] == outputlist[0][0]:
|
||||
print("Hey I have passed the first test for smart contract")
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
ContractBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(ContractStructure(attribute='contractType', index=0, value=parsed_data['contractType']))
|
||||
session.add(ContractStructure(attribute='contractName', index=0, value=parsed_data['contractName']))
|
||||
session.add(
|
||||
ContractStructure(attribute='tokenIdentification', index=0, value=parsed_data['tokenIdentification']))
|
||||
session.add(
|
||||
ContractStructure(attribute='contractAddress', index=0, value=parsed_data['contractAddress']))
|
||||
session.add(
|
||||
ContractStructure(attribute='flodata', index=0,
|
||||
value=parsed_data['flodata']))
|
||||
session.add(
|
||||
ContractStructure(attribute='userassetcommitment', index=0,
|
||||
value=parsed_data['contractConditions']['userassetcommitment'].split(parsed_data['tokenIdentification'][:-1])[0]))
|
||||
for key, value in parsed_data['contractConditions']['smartcontractpays'].items():
|
||||
session.add(ContractStructure(attribute='exitconditions', index=key, value=value))
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
# Store smart contract address in system's db, to be ignored during future transfers
|
||||
engine = create_engine('sqlite:///system.db',
|
||||
echo=True)
|
||||
SystemBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(
|
||||
ActiveContracts(contractName=parsed_data['contractName'], contractAddress=parsed_data['contractAddress']))
|
||||
session.commit()
|
||||
session.close()
|
||||
else:
|
||||
print('Transaction rejected as a smartcontract with same name has already been incorporated')
|
||||
elif parsed_data['type'] == 'smartContractPays':
|
||||
print('Found a transaction of the type smartContractPays')
|
||||
|
||||
# Check if input address is a committee address
|
||||
if inputlist[0][0] in committeeAddressList:
|
||||
|
||||
# Check if the output address is an active Smart contract address
|
||||
engine = create_engine('sqlite:///system.db', echo=True)
|
||||
connection = engine.connect()
|
||||
activeContracts = connection.execute('select * from activecontracts').fetchall()
|
||||
connection.close()
|
||||
|
||||
# Change columns into rows - https://stackoverflow.com/questions/44360162/how-to-access-a-column-in-a-list-of-lists-in-python
|
||||
activeContracts = list(zip(*activeContracts))
|
||||
if outputlist[0][0] in activeContracts[2] and parsed_data['contractName'] in activeContracts[1]:
|
||||
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
connection = engine.connect()
|
||||
contractWinners = connection.execute('select * from contractparticipants where contractCondition="{}"'.format(parsed_data['triggerCondition'])).fetchall()
|
||||
tokenSum = connection.execute('select sum(tokenAmount) from contractparticipants').fetchall()[0][0]
|
||||
tokenIdentification = connection.execute('select value from contractstructure where attribute="tokenIdentification"').fetchall()[0][0]
|
||||
connection.close()
|
||||
|
||||
contractWinners = list(zip(*contractWinners))
|
||||
for address in contractWinners[1]:
|
||||
transferToken(tokenIdentification, tokenSum/len(contractWinners[1]), outputlist[0][0], address)
|
||||
|
||||
else:
|
||||
print('This trigger doesn\'t apply to an active contract. It will be discarded')
|
||||
|
||||
else:
|
||||
print('Input address is not part of the committee address list. This trigger is rejected')
|
||||
|
||||
|
||||
|
||||
# Read configuration
|
||||
config = configparser.ConfigParser()
|
||||
config.read('config.ini')
|
||||
|
||||
# Read command line arguments
|
||||
parser = argparse.ArgumentParser(description='Script tracks RMT using FLO data on the FLO blockchain - https://flo.cash')
|
||||
parser.add_argument('-r', '--reset', nargs='?', const=1, type=int, help='Purge existing db and rebuild it')
|
||||
args = parser.parse_args()
|
||||
|
||||
# Assignment the flo-cli command
|
||||
if config['DEFAULT']['NET'] == 'mainnet':
|
||||
neturl = 'https://florincoin.info/'
|
||||
localapi = config['DEFAULT']['FLO_CLI_PATH']
|
||||
elif config['DEFAULT']['NET'] == 'testnet':
|
||||
neturl = 'https://testnet.florincoin.info/'
|
||||
localapi = '{} --testnet'.format(config['DEFAULT']['FLO_CLI_PATH'])
|
||||
else:
|
||||
print("NET parameter is wrong\nThe script will exit now ")
|
||||
|
||||
apppath = os.path.dirname(os.path.realpath(__file__))
|
||||
dirpath = os.path.join(apppath, 'tokens')
|
||||
if not os.path.isdir(dirpath):
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'smartContracts')
|
||||
if not os.path.isdir(dirpath):
|
||||
os.mkdir(dirpath)
|
||||
|
||||
# Delete database and smartcontract directory if reset is set to 1
|
||||
if args.reset == 1:
|
||||
apppath = os.path.dirname(os.path.realpath(__file__))
|
||||
dirpath = os.path.join(apppath, 'tokens')
|
||||
shutil.rmtree(dirpath)
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'smartContracts')
|
||||
shutil.rmtree(dirpath)
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'system.db')
|
||||
if os.path.exists(dirpath):
|
||||
os.remove(dirpath)
|
||||
|
||||
|
||||
# Read start block no
|
||||
startblock = int(config['DEFAULT']['START_BLOCK'])
|
||||
|
||||
# Find current block height
|
||||
string = "{} getblockcount".format(localapi)
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
current_index = json.loads(response.decode("utf-8"))
|
||||
print("current_block_height : " + str(current_index))
|
||||
|
||||
|
||||
for blockindex in range( startblock, current_index ):
|
||||
print(blockindex)
|
||||
|
||||
# Scan every block
|
||||
string = "{} getblockhash {}".format(localapi, str(blockindex))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
blockhash = response.decode("utf-8")
|
||||
|
||||
string = "{} getblock {}".format(localapi, str(blockhash))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
blockinfo = json.loads(response.decode("utf-8"))
|
||||
|
||||
# Scan every transaction
|
||||
for transaction in blockinfo["tx"]:
|
||||
string = "{} getrawtransaction {} 1".format(localapi, str(transaction))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
transaction_data = json.loads(response.decode("utf-8"))
|
||||
text = transaction_data["floData"]
|
||||
|
||||
if blockindex == 498385:
|
||||
print('debug point')
|
||||
|
||||
parsed_data = parsing.parse_flodata(text)
|
||||
if parsed_data['type'] != 'noise':
|
||||
print(blockindex)
|
||||
print(parsed_data['type'])
|
||||
startWorking(transaction_data, parsed_data)
|
||||
470
tracktokens-smartcontracts.py
Normal file
470
tracktokens-smartcontracts.py
Normal file
@ -0,0 +1,470 @@
|
||||
import requests
|
||||
import json
|
||||
import sqlite3
|
||||
import argparse
|
||||
import configparser
|
||||
import subprocess
|
||||
import sys
|
||||
import parsing
|
||||
import time
|
||||
import os
|
||||
import shutil
|
||||
from sqlalchemy.orm import sessionmaker, relationship
|
||||
from sqlalchemy import create_engine, func, desc
|
||||
from models import SystemData, ActiveTable, ConsumedTable, TransferLogs, Base, ContractStructure, ContractBase, ContractParticipants, SystemBase, ActiveContracts
|
||||
|
||||
|
||||
committeeAddressList = ['oUc4dVvxwK7w5MHUHtev8UawN3eDjiZnNx']
|
||||
|
||||
def transferToken(tokenIdentification, tokenAmount, inputAddress, outputAddress):
|
||||
engine = create_engine('sqlite:///tokens/{}.db'.format(tokenIdentification), echo=True)
|
||||
Base.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
availableTokens = session.query(func.sum(ActiveTable.transferBalance)).filter_by(address=inputAddress).all()[0][0]
|
||||
commentTransferAmount = tokenAmount
|
||||
if availableTokens is None:
|
||||
print("The input address dosen't exist in our database ")
|
||||
session.close()
|
||||
return None
|
||||
|
||||
elif availableTokens < commentTransferAmount:
|
||||
print("\nThe transfer amount passed in the comments is more than the user owns\nThis transaction will be discarded\n")
|
||||
session.close()
|
||||
return None
|
||||
|
||||
elif availableTokens >= commentTransferAmount:
|
||||
table = session.query(ActiveTable).filter(ActiveTable.address==inputAddress).all()
|
||||
string = "{} getblock {}".format(localapi, transaction_data['blockhash'])
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
block_data = json.loads(response.decode("utf-8"))
|
||||
|
||||
pidlst = []
|
||||
checksum = 0
|
||||
for row in table:
|
||||
if checksum >= commentTransferAmount:
|
||||
break
|
||||
pidlst.append([row.id, row.transferBalance])
|
||||
checksum = checksum + row.transferBalance
|
||||
|
||||
if checksum == commentTransferAmount:
|
||||
consumedpid_string = ''
|
||||
|
||||
# Update all pids in pidlist's transferBalance to 0
|
||||
lastid = session.query(ActiveTable)[-1].id
|
||||
for piditem in pidlst:
|
||||
entry = session.query(ActiveTable).filter(ActiveTable.id == piditem[0]).all()
|
||||
consumedpid_string = consumedpid_string + '{},'.format(piditem[0])
|
||||
session.add(TransferLogs(sourceFloAddress=inputAddress, destFloAddress=outputAddress,
|
||||
transferAmount=entry[0].transferBalance, sourceId=piditem[0], destinationId=lastid+1,
|
||||
blockNumber=block_data['height'], time=block_data['time'],
|
||||
blockchainReference=transaction_data['txid']))
|
||||
entry[0].transferBalance = 0
|
||||
|
||||
if len(consumedpid_string)>1:
|
||||
consumedpid_string = consumedpid_string[:-1]
|
||||
|
||||
# Make new entry
|
||||
session.add(ActiveTable(address=outputAddress, consumedpid=consumedpid_string,
|
||||
transferBalance=commentTransferAmount))
|
||||
|
||||
# Migration
|
||||
# shift pid of used utxos from active to consumed
|
||||
for piditem in pidlst:
|
||||
# move the parentids consumed to consumedpid column in both activeTable and consumedTable
|
||||
entries = session.query(ActiveTable).filter(ActiveTable.parentid == piditem[0]).all()
|
||||
for entry in entries:
|
||||
entry.consumedpid = entry.consumedpid + ',{}'.format(piditem[0])
|
||||
entry.parentid = None
|
||||
|
||||
entries = session.query(ConsumedTable).filter(ConsumedTable.parentid == piditem[0]).all()
|
||||
for entry in entries:
|
||||
entry.consumedpid = entry.consumedpid + ',{}'.format(piditem[0])
|
||||
entry.parentid = None
|
||||
|
||||
# move the pids consumed in the transaction to consumedTable and delete them from activeTable
|
||||
session.execute(
|
||||
'INSERT INTO consumedTable (id, address, parentid, consumedpid, transferBalance) SELECT id, address, parentid, consumedpid, transferBalance FROM activeTable WHERE id={}'.format(
|
||||
piditem[0]))
|
||||
session.execute('DELETE FROM activeTable WHERE id={}'.format(piditem[0]))
|
||||
session.commit()
|
||||
session.commit()
|
||||
|
||||
if checksum > commentTransferAmount:
|
||||
consumedpid_string = ''
|
||||
# Update all pids in pidlist's transferBalance
|
||||
lastid = session.query(ActiveTable)[-1].id
|
||||
for idx, piditem in enumerate(pidlst):
|
||||
entry = session.query(ActiveTable).filter(ActiveTable.id == piditem[0]).all()
|
||||
if idx != len(pidlst) - 1:
|
||||
session.add(TransferLogs(sourceFloAddress=inputAddress, destFloAddress=outputAddress,
|
||||
transferAmount=entry[0].transferBalance, sourceId=piditem[0],
|
||||
destinationId=lastid + 1,
|
||||
blockNumber=block_data['height'], time=block_data['time'],
|
||||
blockchainReference=transaction_data['txid']))
|
||||
entry[0].transferBalance = 0
|
||||
consumedpid_string = consumedpid_string + '{},'.format(piditem[0])
|
||||
else:
|
||||
session.add(TransferLogs(sourceFloAddress=inputAddress, destFloAddress=outputAddress,
|
||||
transferAmount=piditem[1]-(checksum - commentTransferAmount), sourceId=piditem[0],
|
||||
destinationId=lastid + 1,
|
||||
blockNumber=block_data['height'], time=block_data['time'],
|
||||
blockchainReference=transaction_data['txid']))
|
||||
entry[0].transferBalance = checksum - commentTransferAmount
|
||||
|
||||
|
||||
if len(consumedpid_string) > 1:
|
||||
consumedpid_string = consumedpid_string[:-1]
|
||||
|
||||
# Make new entry
|
||||
session.add(ActiveTable(address=outputAddress, parentid= pidlst[-1][0], consumedpid=consumedpid_string,
|
||||
transferBalance=commentTransferAmount))
|
||||
|
||||
# Migration
|
||||
# shift pid of used utxos from active to consumed
|
||||
for piditem in pidlst[:-1]:
|
||||
# move the parentids consumed to consumedpid column in both activeTable and consumedTable
|
||||
entries = session.query(ActiveTable).filter(ActiveTable.parentid == piditem[0]).all()
|
||||
for entry in entries:
|
||||
entry.consumedpid = entry.consumedpid + ',{}'.format(piditem[0])
|
||||
entry.parentid = None
|
||||
|
||||
entries = session.query(ConsumedTable).filter(ConsumedTable.parentid == piditem[0]).all()
|
||||
for entry in entries:
|
||||
entry.consumedpid = entry.consumedpid + ',{}'.format(piditem[0])
|
||||
entry.parentid = None
|
||||
|
||||
# move the pids consumed in the transaction to consumedTable and delete them from activeTable
|
||||
session.execute(
|
||||
'INSERT INTO consumedTable (id, address, parentid, consumedpid, transferBalance) SELECT id, address, parentid, consumedpid, transferBalance FROM activeTable WHERE id={}'.format(
|
||||
piditem[0]))
|
||||
session.execute('DELETE FROM activeTable WHERE id={}'.format(piditem[0]))
|
||||
session.commit()
|
||||
session.commit()
|
||||
session.close()
|
||||
return 1
|
||||
|
||||
|
||||
def startWorking(transaction_data, parsed_data):
|
||||
|
||||
# Do the necessary checks for the inputs and outputs
|
||||
|
||||
# todo Rule 38 - Here we are doing FLO processing. We attach asset amounts to a FLO address, so every FLO address
|
||||
# will have multiple feed ins of the asset. Each of those feedins will be an input to the address.
|
||||
# an address can also spend the asset. Each of those spends is an output of that address feeding the asset into some
|
||||
# other address an as input
|
||||
|
||||
# Rule 38 reframe - For checking any asset transfer on the flo blockchain it is possible that some transactions may use more than one
|
||||
# vins. However in any single transaction the system considers valid, they can be only one source address from which the flodata is
|
||||
# originting. To ensure consistency, we will have to check that even if there are more than one vins in a transaction, there should be
|
||||
# excatly one FLO address on the originating side and that FLO address should be the owner of the asset tokens being transferred
|
||||
|
||||
# Create vinlist and outputlist
|
||||
vinlist = []
|
||||
querylist = []
|
||||
|
||||
# todo Rule 39 - Create a list of vins for a given transaction id
|
||||
for obj in transaction_data["vin"]:
|
||||
querylist.append([obj["txid"], obj["vout"]])
|
||||
|
||||
|
||||
totalinputval = 0
|
||||
inputadd = ''
|
||||
|
||||
# todo Rule 40 - For each vin, find the feeding address and the fed value. Make an inputlist containing [inputaddress, n value]
|
||||
for query in querylist:
|
||||
string = "{} getrawtransaction {} 1".format(localapi, str(query[0]))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
content = json.loads(response.decode("utf-8"))
|
||||
|
||||
for objec in content["vout"]:
|
||||
if objec["n"] == query[1]:
|
||||
inputadd = objec["scriptPubKey"]["addresses"][0]
|
||||
totalinputval = totalinputval + objec["value"]
|
||||
vinlist.append([inputadd, objec["value"]])
|
||||
|
||||
# todo Rule 41 - Check if all the addresses in a transaction on the input side are the same
|
||||
for idx, item in enumerate(vinlist):
|
||||
if idx == 0:
|
||||
temp = item[0]
|
||||
continue
|
||||
if item[0] != temp:
|
||||
print('System has found more than one address as part of vin')
|
||||
return
|
||||
|
||||
inputlist = [vinlist[0][0], totalinputval]
|
||||
|
||||
|
||||
# todo Rule 42 - If the number of vout is more than 2, reject the transaction
|
||||
if len(transaction_data["vout"]) > 2:
|
||||
print("Program has detected more than 2 vouts ")
|
||||
print("This transaction will be discarded")
|
||||
return
|
||||
|
||||
# todo Rule 43 - A transaction accepted by the system has two vouts, 1. The FLO address of the receiver
|
||||
# 2. Flo address of the sender as change address. If the vout address is change address, then the other adddress
|
||||
# is the recevier address
|
||||
|
||||
outputlist = []
|
||||
for obj in transaction_data["vout"]:
|
||||
if obj["scriptPubKey"]["type"] == "pubkeyhash":
|
||||
if inputlist[0] == obj["scriptPubKey"]["addresses"][0]:
|
||||
continue
|
||||
outputlist.append([obj["scriptPubKey"]["addresses"][0], obj["value"]])
|
||||
|
||||
if len(outputlist) != 1:
|
||||
print("The transaction change is not coming back to the input address")
|
||||
return
|
||||
|
||||
outputlist = outputlist[0]
|
||||
|
||||
print("\n\nInput Address")
|
||||
print(inputlist)
|
||||
print("\nOutput Address")
|
||||
print(outputlist)
|
||||
|
||||
# All FLO checks completed at this point.
|
||||
# Semantic rules for parsed data begins
|
||||
|
||||
|
||||
# todo Rule 44 - Process as per the type of transaction
|
||||
if parsed_data['type'] == 'transfer':
|
||||
print('Found a transaction of the type transfer')
|
||||
|
||||
# todo Rule 45 - If the transfer type is token, then call the function transferToken to adjust the balances
|
||||
if parsed_data['transferType'] == 'token':
|
||||
returnval = transferToken(parsed_data['tokenIdentification'], parsed_data['tokenAmount'], inputlist[0], outputlist[0])
|
||||
if returnval is None:
|
||||
print("Something went wrong in the token transfer method")
|
||||
|
||||
# todo Rule 46 - If the transfer type is smart contract, then call the function transferToken to do sanity checks & lock the balance
|
||||
elif parsed_data['transferType'] == 'smartContract':
|
||||
# Check if the contract has expired
|
||||
if parsed_data['expiryTime'] and time.time()>parsed_data['expiryTime']:
|
||||
print('Contract has expired and will not accept any user participation')
|
||||
return
|
||||
# Check if the tokenAmount being transferred exists in the address & do the token transfer
|
||||
returnval = transferToken(parsed_data['tokenIdentification'], parsed_data['tokenAmount'], inputlist[0], outputlist[0])
|
||||
if returnval is not None:
|
||||
# Store participant details in the smart contract's db
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
Base.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(ContractParticipants(participantAddress=inputadd, tokenAmount=parsed_data['tokenAmount'], userPreference=parsed_data['userPreference']))
|
||||
session.commit()
|
||||
session.close()
|
||||
else:
|
||||
print("Something went wrong in the smartcontract token transfer method")
|
||||
|
||||
# todo Rule 47 - If the parsed data type is token incorporation, then check if the name hasn't been taken already
|
||||
# if it has been taken then reject the incorporation. Else incorporate it
|
||||
elif parsed_data['type'] == 'tokenIncorporation':
|
||||
if not os.path.isfile('./tokens/{}.db'.format(parsed_data['tokenIdentification'])):
|
||||
engine = create_engine('sqlite:///tokens/{}.db'.format(parsed_data['tokenIdentification']), echo=True)
|
||||
Base.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(ActiveTable(address=outputlist[0], parentid=0, transferBalance=parsed_data['tokenAmount']))
|
||||
string = "{} getblock {}".format(localapi, transaction_data['blockhash'])
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
block_data = json.loads(response.decode("utf-8"))
|
||||
session.add(TransferLogs(sourceFloAddress=inputadd, destFloAddress=outputlist[0][0], transferAmount=parsed_data['tokenAmount'], sourceId=0, destinationId=1, blockNumber=block_data['height'], time=block_data['time'], blockchainReference=transaction_data['txid']))
|
||||
session.commit()
|
||||
session.close()
|
||||
else:
|
||||
print('Transaction rejected as the token with same name has already been incorporated')
|
||||
|
||||
# todo Rule 48 - If the parsed data type if smart contract incorporation, then check if the name hasn't been taken already
|
||||
# if it has been taken then reject the incorporation.
|
||||
elif parsed_data['type'] == 'smartContractIncorporation':
|
||||
if not os.path.isfile('./smartContracts/{}.db'.format(parsed_data['contractName'])):
|
||||
# todo Rule 49 - If the contract name hasn't been taken before, check if the contract type is an authorized type by the system
|
||||
if parsed_data['contractType'] == 'betting':
|
||||
print("Smart contract is of the type betting")
|
||||
# todo Rule 50 - Contract address mentioned in flodata field should be same as the receiver FLO address on the output side
|
||||
# henceforth we will not consider any flo private key initiated comment as valid from this address
|
||||
# Unlocking can only be done through smart contract system address
|
||||
if parsed_data['contractAddress'] == outputlist[0]:
|
||||
print("Hey I have passed the first test for smart contract")
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
ContractBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(ContractStructure(attribute='contractType', index=0, value=parsed_data['contractType']))
|
||||
session.add(ContractStructure(attribute='contractName', index=0, value=parsed_data['contractName']))
|
||||
session.add(
|
||||
ContractStructure(attribute='tokenIdentification', index=0, value=parsed_data['tokenIdentification']))
|
||||
session.add(
|
||||
ContractStructure(attribute='contractAddress', index=0, value=parsed_data['contractAddress']))
|
||||
session.add(
|
||||
ContractStructure(attribute='flodata', index=0,
|
||||
value=parsed_data['flodata']))
|
||||
session.add(
|
||||
ContractStructure(attribute='userassetcommitment', index=0,
|
||||
value=parsed_data['contractConditions']['userassetcommitment'].split(parsed_data['tokenIdentification'][:-1])[0]))
|
||||
for key, value in parsed_data['contractConditions']['smartcontractpays'].items():
|
||||
session.add(ContractStructure(attribute='exitconditions', index=key, value=value))
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
# Store smart contract address in system's db, to be ignored during future transfers
|
||||
engine = create_engine('sqlite:///system.db',
|
||||
echo=True)
|
||||
SystemBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add(
|
||||
ActiveContracts(contractName=parsed_data['contractName'], contractAddress=parsed_data['contractAddress']))
|
||||
session.commit()
|
||||
session.close()
|
||||
else:
|
||||
print('Transaction rejected as a smartcontract with same name has already been incorporated')
|
||||
elif parsed_data['type'] == 'smartContractPays':
|
||||
print('Found a transaction of the type smartContractPays')
|
||||
|
||||
# Check if input address is a committee address
|
||||
if inputlist[0] in committeeAddressList:
|
||||
|
||||
# Check if the output address is an active Smart contract address
|
||||
engine = create_engine('sqlite:///system.db', echo=True)
|
||||
connection = engine.connect()
|
||||
activeContracts = connection.execute('select * from activecontracts').fetchall()
|
||||
connection.close()
|
||||
|
||||
# Change columns into rows - https://stackoverflow.com/questions/44360162/how-to-access-a-column-in-a-list-of-lists-in-python
|
||||
activeContracts = list(zip(*activeContracts))
|
||||
if outputlist[0] in activeContracts[2] and parsed_data['contractName'] in activeContracts[1]:
|
||||
|
||||
engine = create_engine('sqlite:///smartContracts/{}.db'.format(parsed_data['contractName']), echo=True)
|
||||
connection = engine.connect()
|
||||
contractWinners = connection.execute('select * from contractparticipants where userPreference="{}"'.format(parsed_data['triggerCondition'])).fetchall()
|
||||
tokenSum = connection.execute('select sum(tokenAmount) from contractparticipants').fetchall()[0][0]
|
||||
tokenIdentification = connection.execute('select value from contractstructure where attribute="tokenIdentification"').fetchall()[0][0]
|
||||
connection.close()
|
||||
|
||||
contractWinners = list(zip(*contractWinners))
|
||||
for address in contractWinners[1]:
|
||||
transferToken(tokenIdentification, tokenSum/len(contractWinners[1]), outputlist[0], address)
|
||||
|
||||
else:
|
||||
print('This trigger doesn\'t apply to an active contract. It will be discarded')
|
||||
|
||||
else:
|
||||
print('Input address is not part of the committee address list. This trigger is rejected')
|
||||
|
||||
|
||||
# todo Rule 1 - Read command line arguments to reset the databases as blank
|
||||
# Rule 2 - Read config to set testnet/mainnet
|
||||
# Rule 3 - Set flo blockexplorer location depending on testnet or mainnet
|
||||
# Rule 4 - Set the local flo-cli path depending on testnet or mainnet
|
||||
# Rule 5 - Set the block number to scan from
|
||||
|
||||
|
||||
|
||||
# Read command line arguments
|
||||
parser = argparse.ArgumentParser(description='Script tracks RMT using FLO data on the FLO blockchain - https://flo.cash')
|
||||
parser.add_argument('-r', '--reset', nargs='?', const=1, type=int, help='Purge existing db and rebuild it')
|
||||
args = parser.parse_args()
|
||||
|
||||
apppath = os.path.dirname(os.path.realpath(__file__))
|
||||
dirpath = os.path.join(apppath, 'tokens')
|
||||
if not os.path.isdir(dirpath):
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'smartContracts')
|
||||
if not os.path.isdir(dirpath):
|
||||
os.mkdir(dirpath)
|
||||
|
||||
# Read configuration
|
||||
config = configparser.ConfigParser()
|
||||
config.read('config.ini')
|
||||
|
||||
# Assignment the flo-cli command
|
||||
if config['DEFAULT']['NET'] == 'mainnet':
|
||||
neturl = 'https://florincoin.info/'
|
||||
localapi = config['DEFAULT']['FLO_CLI_PATH']
|
||||
elif config['DEFAULT']['NET'] == 'testnet':
|
||||
neturl = 'https://testnet.florincoin.info/'
|
||||
localapi = '{} --testnet'.format(config['DEFAULT']['FLO_CLI_PATH'])
|
||||
else:
|
||||
print("NET parameter is wrong\nThe script will exit now ")
|
||||
|
||||
|
||||
# Delete database and smartcontract directory if reset is set to 1
|
||||
if args.reset == 1:
|
||||
apppath = os.path.dirname(os.path.realpath(__file__))
|
||||
dirpath = os.path.join(apppath, 'tokens')
|
||||
shutil.rmtree(dirpath)
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'smartContracts')
|
||||
shutil.rmtree(dirpath)
|
||||
os.mkdir(dirpath)
|
||||
dirpath = os.path.join(apppath, 'system.db')
|
||||
if os.path.exists(dirpath):
|
||||
os.remove(dirpath)
|
||||
|
||||
# Read start block no
|
||||
startblock = int(config['DEFAULT']['START_BLOCK'])
|
||||
engine = create_engine('sqlite:///system.db', echo=True)
|
||||
SystemBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
session.add( SystemData(attribute='lastblockscanned', value=startblock-1))
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
|
||||
# Read start block no
|
||||
engine = create_engine('sqlite:///system.db', echo=True)
|
||||
SystemBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
startblock = int(session.query(SystemData).filter_by(attribute='lastblockscanned').all()[0].value)
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
|
||||
|
||||
# todo Rule 6 - Find current block height
|
||||
# Rule 7 - Start analysing the block contents from starting block to current height
|
||||
|
||||
# Find current block height
|
||||
string = "{} getblockcount".format(localapi)
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
current_index = json.loads(response.decode("utf-8"))
|
||||
print("current_block_height : " + str(current_index))
|
||||
|
||||
|
||||
for blockindex in range( startblock, current_index ):
|
||||
print(blockindex)
|
||||
|
||||
# Scan every block
|
||||
string = "{} getblockhash {}".format(localapi, str(blockindex))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
blockhash = response.decode("utf-8")
|
||||
|
||||
string = "{} getblock {}".format(localapi, str(blockhash))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
blockinfo = json.loads(response.decode("utf-8"))
|
||||
|
||||
# todo Rule 8 - read every transaction from every block to find and parse flodata
|
||||
|
||||
# Scan every transaction
|
||||
for transaction in blockinfo["tx"]:
|
||||
string = "{} getrawtransaction {} 1".format(localapi, str(transaction))
|
||||
response = subprocess.check_output(string, shell=True)
|
||||
transaction_data = json.loads(response.decode("utf-8"))
|
||||
text = transaction_data["floData"]
|
||||
|
||||
if blockindex == 525362:
|
||||
print('debug point')
|
||||
|
||||
# todo Rule 9 - Reject all noise transactions. Further rules are in parsing.py
|
||||
|
||||
parsed_data = parsing.parse_flodata(text)
|
||||
if parsed_data['type'] != 'noise':
|
||||
print(blockindex)
|
||||
print(parsed_data['type'])
|
||||
startWorking(transaction_data, parsed_data)
|
||||
|
||||
engine = create_engine('sqlite:///system.db')
|
||||
SystemBase.metadata.create_all(bind=engine)
|
||||
session = sessionmaker(bind=engine)()
|
||||
entry = session.query(SystemData).filter(SystemData.attribute == 'lastblockscanned').all()[0]
|
||||
entry.value = str(blockindex)
|
||||
session.commit()
|
||||
session.close()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user