def deploy(self, isLocal, callback):
result = None
fromAccount = Accounts.getAccountByAddress(self.fromAddress)
if fromAccount != None:
if isLocal:
toAddress = Crypto.generateAddress(fromAccount.address)
_script = bytearray()
_script.append(Config.getIntValue("EXTENSION_SCRIPT_VERSION"))
_script.extend(self.script)
_script = DataType.serialize(_script)
extraData = None
if len(self.parameters) > 0:
extraData = self.parameters
extraData.append(fromAccount.address)
output = Output(toAddress, _script, self.value, extraData)
result = self.handleLocalScript(fromAccount, output, True)
if result != None:
Contracts.addContract(Contract(toAddress), False)
else:
result = MemoryPool.addUnconfirmedTransaction(
fromAccount, None, self.value, self.gasLimit,
self.gasPrice, self.script, self.parameters)
try:
result = DataType.toHex(result)
except:
pass
if result != None:
callback(JSONRPC.createResultObject(result, self.id))
else:
self.onFailure(callback)
def deserialize(self, buffer):
decodedBuffer = RLP.decode(buffer)
self.chainWork = DataType.deserialize(decodedBuffer[0], DataType.INT,
0)
self.previousHash = decodedBuffer[1]
self.gasLimit = DataType.deserialize(decodedBuffer[2], DataType.INT, 0)
self.height = DataType.deserialize(decodedBuffer[3], DataType.INT, 0)
def deserialize(self, payload):
if self.validatePayload(payload, 2):
self.type = DataType.deserialize(payload[0])
self.nonce = DataType.deserialize(payload[1], DataType.INT, 0)
if self.validate():
return True
return False
def deserialize(self, payload):
if self.validatePayload(payload, 2):
self.type = DataType.deserialize(payload[0])
self.addrList = DataType.deserialize(payload[1], DataType.LIST, [])
if self.validate():
return True
return False
def serialize(self):
return {
'address': Address.toAddressStr(self.address),
'public': DataType.toHex(self.public),
'private': DataType.toHex(self.private),
'type': self.type
}
def encodeItem(item, itemLen, prefix):
if itemLen <= SHORT_PAYLOAD:
return DataType.intToBytes(prefix + itemLen) + item
else:
itemLen = DataType.intToBytes(itemLen)
return DataType.intToBytes(prefix + len(itemLen) +
SHORT_PAYLOAD) + itemLen + item
def deserialize(self, buffer):
decodedBuffer = RLP.decode(buffer)
self.host = DataType.deserialize(decodedBuffer[0])
self.version = DataType.deserialize(decodedBuffer[1])
self.lastVersionNonce = DataType.deserialize(decodedBuffer[2], DataType.INT, None)
self.chainHeadBlockHash = decodedBuffer[3]
self.lastUpdate = DataType.deserialize(decodedBuffer[4], DataType.INT, 0)
def writeResponse(self, response):
response = DataType.serialize(response)
responseLen = len(response)
responseLen = DataType.intToBytes(
responseLen, Config.getIntValue("SOCKET_HEADER_BUFFER_SIZE"))
self.request.sendall(responseLen)
self.request.sendall(response)
def createAtomicSwapTx(self, callback):
fromAccount = Accounts.getAccountByAddress(self.fromAddress)
toMultiSigAccount = Accounts.getAccountByAddress(self.toAddress)
'''
A picks a random number x
'''
hashPrivKey = Crypto.generateHash(toMultiSigAccount.private)
'''
A creates TX1: "Pay w BTC to <B's public key> if (x for H(x) known and signed by B) or (signed by A & B)"
'''
transactionA1 = MemoryPool.createUnconfirmedAtomicSwapTransaction(fromAccount, toMultiSigAccount.address, self.value, self.gasLimit, self.gasPrice, Script.verifyAtomicSwapSignature(), self.threshold)
if transactionA1 != None:
'''
A creates TX2: "Pay w BTC from TX1 to <A's public key>, locked 48 hours in the future, signed by A"
'''
transactionA2 = MemoryPool.createUnconfirmedAtomicSwapTransaction(fromAccount, toMultiSigAccount.address, self.value, self.gasLimit, self.gasPrice, Script.verifyAtomicSwapLock())
if transactionA2 != None:
tx = transactionA1.serialize()
unsignedTx = transactionA2.serialize()
result = {
'tx': DataType.toHex(tx),
'unsignedTx': DataType.toHex(unsignedTx)
}
callback(
JSONRPC.createResultObject(result, self.id)
)
else:
self.onFailure(callback)
else:
self.onFailure(callback)
def handleLocalScript(self, fromAccount, output, deploy):
gasLimit = Config.getIntValue('TRANSACTION_LOCAL_GAS_LIMIT')
gasPrice = Config.getIntValue('TRANSACTION_LOCAL_GAS_PRICE')
localTx = Transaction(gasLimit, gasPrice)
localTx.gasRemaining = Config.getIntValue(
'TRANSACTION_LOCAL_GAS_REMAINING')
_input = None
if deploy:
pass
else:
scriptData = []
scriptData.append(DataType.zeroFillArray(0, 32))
scriptData.append(DataType.zeroFillArray(0, 32))
scriptData.append(fromAccount.address)
scriptData.extend(self.parameters)
_input = Input(Config.getValue('SCRIPT_TRANSACTION_ID'),
Config.getIntValue('SCRIPT_OUTPUT_INDEX'))
_input.witness = scriptData
if RVM.run(localTx, _input, output, True, deploy, True):
if len(localTx.internalOutputs) > 0:
internalOutput = localTx.internalOutputs[-1]
if deploy:
PersistentStorage.add(internalOutput.address,
internalOutput, True)
result = 'Script Deployed Locally'
else:
result = internalOutput.script
try:
result = DataType.toHex(result)
result = DataType.asInt(result, 16)
except ValueError:
pass
return result
return None
def deserialize(self, payload):
if self.validatePayload(payload, 3):
self.type = DataType.deserialize(payload[0])
self.version = DataType.deserialize(payload[1], DataType.INT, 0)
self.blockHashes = payload[2]
if self.validate():
return True
return False
def deserialize(self, buffer):
decodedBuffer = RLP.decode(buffer)
self.output = Output()
self.output.deserialize(decodedBuffer[0])
self.txOutputSize = DataType.deserialize(decodedBuffer[1],
DataType.INT, 0)
self.height = DataType.deserialize(decodedBuffer[2], DataType.INT, 0)
self.coinbase = DataType.deserialize(decodedBuffer[3], DataType.BOOL,
False)
def deserialize(self, payload):
if self.validatePayload(payload, 5):
self.type = DataType.deserialize(payload[0])
self.version = DataType.deserialize(payload[1])
self.timestamp = DataType.deserialize(payload[2], DataType.INT, 0)
self.nonce = DataType.deserialize(payload[3], DataType.INT, 0)
self.chainHeadBlockHash = payload[4]
if self.validate():
return True
return False
def decode(buffer):
decodedBuffer = b''
if len(buffer) > 0:
prefix = buffer[0]
if prefix >= BYTE_PREFIX_START and prefix <= BYTE_PREFIX_END:
decodedBuffer += DataType.intToBytes(prefix)
elif prefix >= STRING_PREFIX_START and prefix <= STRING_PREFIX_END:
offset = 1
decodedBufferLen = None
if prefix > STRING_55_LEN_MAX_RANGE:
prefixLen = prefix - STRING_55_LEN_MAX_RANGE
bufferLen = buffer[offset:offset + prefixLen]
decodedBufferLen = DataType.bytesToInt(bufferLen)
offset += prefixLen
else:
decodedBufferLen = prefix - STRING_PREFIX_START
decodedBuffer += buffer[offset:offset + decodedBufferLen]
elif prefix >= LIST_PREFIX_START and prefix <= LIST_PREFIX_END:
decodedBuffer = []
offset = 1
decodedBufferLen = None
if prefix > LIST_55_LEN_MAX_RANGE:
prefixLen = prefix - LIST_55_LEN_MAX_RANGE
bufferLen = buffer[offset:offset + prefixLen]
decodedBufferLen = DataType.bytesToInt(bufferLen)
offset += prefixLen
else:
decodedBufferLen = prefix - LIST_PREFIX_START
buffer = buffer[offset:offset + decodedBufferLen]
while len(buffer) > 0:
tempBufferDecoded = decode(buffer)
decodedBuffer.append(tempBufferDecoded)
offset = 1
prefix = buffer[0]
if prefix >= BYTE_PREFIX_START and prefix <= BYTE_PREFIX_END:
decodedBufferLen = 0
elif prefix >= STRING_PREFIX_START and prefix <= STRING_PREFIX_END:
if prefix > STRING_55_LEN_MAX_RANGE:
prefixLen = prefix - STRING_55_LEN_MAX_RANGE
bufferLen = buffer[offset:offset + prefixLen]
decodedBufferLen = DataType.bytesToInt(bufferLen)
offset += prefixLen
else:
decodedBufferLen = prefix - STRING_PREFIX_START
elif prefix >= LIST_PREFIX_START and prefix <= LIST_PREFIX_END:
if prefix > LIST_55_LEN_MAX_RANGE:
prefixLen = prefix - LIST_55_LEN_MAX_RANGE
bufferLen = buffer[offset:offset + prefixLen]
decodedBufferLen = DataType.bytesToInt(bufferLen)
offset += prefixLen
else:
decodedBufferLen = prefix - LIST_PREFIX_START
buffer = buffer[offset + decodedBufferLen:]
return decodedBuffer
def do_POST(self):
if self.hasAuthorization():
length = DataType.asInt(self.headers['Content-Length'])
payload = self.rfile.read(length)
payload = DataType.deserialize(payload)
payload = json.loads(payload)
self.handlePayload(payload)
else:
response = JSONRPC.createErrorObject(
-32010, 'unauthorized',
'you are not authorized to access this resource', None)
self.writeResponse(response, doHead=False)
def merge():
script = bytearray()
script.append(Config.getIntValue("SCRIPT_VERSION"))
script.append(Opcodes.alias('MERGE', True))
return DataType.serialize(script)
def addPeers(peers):
for peer in peers:
if peer.host != Peers.hostname and peer.host != Peers.ipAddress:
currPeer = getPeerByHost(peer.host)
synchronized = False
if currPeer == None:
currPeer = peer
else:
currPeer.merge(peer)
synchronized = True
currPeer.lastUpdate = DataType.asTime()
hostBytes = DataType.serialize(currPeer.host)
Peers.peers.set(hostBytes, currPeer.serialize())
if not synchronized:
Sync.synchronize(currPeer.host)
Sync.addr(currPeer.host)
def call(self, isLocal, callback):
result = None
fromAccount = Accounts.getAccountByAddress(self.fromAddress)
if fromAccount != None:
if isLocal:
_output = PersistentStorage.get(self.script, True)
if _output == None:
unspentTransactionScript = UXTO.getUnspentTransactionScript(
self.script)
if unspentTransactionScript != None:
_output = unspentTransactionScript.output
if _output != None:
result = self.handleLocalScript(fromAccount, _output,
False)
else:
result = MemoryPool.addUnconfirmedTransaction(
fromAccount, self.script, self.value, self.gasLimit,
self.gasPrice, None, self.parameters)
try:
result = DataType.toHex(result)
except:
pass
if result != None:
callback(JSONRPC.createResultObject(result, self.id))
else:
self.onFailure(callback)
def verifyMultiSignature():
script = bytearray()
script.append(Config.getIntValue("SCRIPT_VERSION"))
script.append(Opcodes.alias('CHECKMULTISIGVERIFY', True))
return DataType.serialize(script)
def deserialize(self, payload):
if self.validatePayload(payload, 2):
self.type = DataType.deserialize(payload[0])
self.transaction = payload[1]
if self.validate():
return True
return False
def verifyAtomicSwapLock():
script = bytearray()
script.append(Config.getIntValue("SCRIPT_VERSION"))
script.append(Opcodes.alias('CHECKATOMICSWAPLOCKVERIFY', True))
return DataType.serialize(script)
def open(self, subDatabase=None):
self.lock.acquire()
self.db = lmdb.open(self.database,
max_dbs=Config.getIntValue('MAX_DATABASES'))
subDatabaseBytes = DataType.serialize(
self.subDatabase if subDatabase == None else subDatabase)
self.subDb = self.db.open_db(subDatabaseBytes)
def deserialize(self, payload):
if payload != None and len(payload) == 2:
self.invType = DataType.deserialize(payload[0])
self.invHash = payload[1]
if self.validate():
return True
return False
def getInstance(msg):
msgType = msg
if isinstance(msg, list):
msgType = DataType.deserialize(msg[0])
'''Socket Messages Types'''
if MessageType.ADDR == msgType:
return Addr()
elif MessageType.BLOCK == msgType:
return Block()
elif MessageType.GETADDR == msgType:
return GetAddr()
elif MessageType.GETBLOCKS == msgType:
return GetBlocks()
elif MessageType.GETDATA == msgType:
return GetData()
elif MessageType.INV == msgType:
return Inv()
elif MessageType.MEMPOOL == msgType:
return MemPool()
elif MessageType.PING == msgType:
return Ping()
elif MessageType.PONG == msgType:
return Pong()
elif MessageType.TX == msgType:
return Tx()
elif MessageType.VERACK == msgType:
return VerAck()
elif MessageType.VERSION == msgType:
return Version()
def __init__(self):
super().__init__()
self.type = MessageType.VERSION
self.version = Config.getValue("NODE_VERSION")
self.timestamp = DataType.asTime()
self.nonce = randint(0, sys.maxsize)
self.chainHeadBlockHash = None
def getBasicAuth():
username = Config.getValue("HTTP_RPC_USERNAME")
password = Config.getValue("HTTP_RPC_PASSWORD")
userpass = "******" % (username, password)
userpassBytes = DataType.serialize(userpass)
userpassB64 = b64encode(userpassBytes)
return 'Basic %s' % userpassB64.decode("ascii")
def get(self, callback = None):
accounts = []
# Account Types
standard = []
multisig = []
atomicswap = []
for account in Accounts.getAccounts():
confirmedBalance = Accounts.getConfirmedBalanceByAddress(account.address)
confirmedBalance = Units.toValue(confirmedBalance)
confirmedBalance = DataType.asFloat(confirmedBalance)
address = Address.to0xAddress(account.address)
accountInfo = {
'address': address,
'type': account.type,
'balance': confirmedBalance
}
if account.type == AccountType.STANDARD:
standard.append(accountInfo)
elif account.type == AccountType.MULTISIGNATURE:
multisig.append(accountInfo)
elif account.type == AccountType.ATOMIC_SWAP:
atomicswap.append(accountInfo)
accounts.extend(standard)
accounts.extend(multisig)
accounts.extend(atomicswap)
callback(
JSONRPC.createResultObject(accounts, self.id)
)
def getNewBlock(self, address, previousHash, bits, extraNonce):
previousIndexBlock = self.getIndexBlockByHash(previousHash)
block = Block()
gasLimit = Config.getIntValue("BLOCK_REWARDS_GAS_LIMIT")
gasPrice = Config.getIntValue("BLOCK_REWARDS_GAS_PRICE")
transaction = Transaction(gasLimit, gasPrice)
height = previousIndexBlock.height + 1
coinbaseData = [
DataType.asString(height),
DataType.asString(bits),
DataType.asString(extraNonce)
]
transaction.addCoinbaseInput(coinbaseData)
block.transactions.append(transaction)
txFees = 0
totalTxGasUsed = 0
unconfirmedTransactions = MemoryPool.getMemoryPool()
for txId in unconfirmedTransactions:
unconfirmedTransaction = unconfirmedTransactions[txId]
block.transactions.append(unconfirmedTransaction)
txFees += unconfirmedTransaction.calculateTxFee()
totalTxGasUsed += unconfirmedTransaction.calculateTxGasUsed()
blockRewards = Config.getDecimalValue("BLOCK_REWARDS")
blockRewards = Units.toUnits(blockRewards)
coinbaseValue = blockRewards + txFees
script = Script.verifySignature()
transaction.addOutput(address, script, coinbaseValue)
transaction.hash()
#Include coinbase tx gas used
totalTxGasUsed += transaction.calculateTxGasUsed()
block.merkleRoot = MerkleTree.getMerkleRoot(block.transactions, False)
block.witnessRoot = MerkleTree.getMerkleRoot(block.transactions, True)
blockGasLimit = previousIndexBlock.gasLimit + (previousIndexBlock.gasLimit * (1 / 1024))
blockGasLimit = math.ceil(blockGasLimit)
block.gasLimit = blockGasLimit
block.gasUsed = totalTxGasUsed
block.nonce = 0
block.bits = bits
block.previousHash = previousHash
return block
def jumpi(self):
destination = self.popAsInt()
cond = self.pop()
if cond != 0:
self.pc = DataType.asInt(destination, 16)
if self.JUMPDEST != self.code[self.pc]:
self.pc = len(self.code)
self.invalid = True
def sload(self):
PersistentStorage.dump()
key = self.pop()
key = self.persistentStorageKey + key
value = PersistentStorage.get(key, True)
if value == None:
value = DataType.zeroFillArray(0, 32)
self.stack.append(value)
