def get(key, readOnly):
if readOnly:
if key in PersistentStorage.storage:
return PersistentStorage.storage[key]
value = PersistentStorage.persistent.get(RLP.encode(key))
if value != None:
value = RLP.decode(value)
PersistentStorage.storage[key] = value
return value
else:
value = PersistentStorage.persistent.get(RLP.encode(key))
if value != None:
return RLP.decode(value)
return None
def verifyCoinbaseWitnessLength(self, transaction):
if transaction.isCoinbase():
txIn = transaction.inputs[0]
witness = txIn.witness
witnessEncoded = RLP.encode(witness)
if len(witnessEncoded) < 2 or len(witnessEncoded) > 100:
return False
return True
def serialize(self):
item = [
self.host,
self.version,
self.lastVersionNonce,
self.chainHeadBlockHash,
self.lastUpdate
]
return RLP.encode(item)
def serialize(self, includeWitness=True):
witnesses = []
if includeWitness:
for txIn in self.inputs:
witnesses.append(txIn.witness)
item = [
self.version, self.gasLimit, self.gasPrice, self.inputs,
self.outputs, witnesses
]
return RLP.encode(item)
def serialize(self):
item = [
self.type, self.version, self.timestamp, self.nonce,
self.chainHeadBlockHash
]
return RLP.encode(item)
def serialize(self):
item = [self.type, self.version, self.blockHashes]
return RLP.encode(item)
def serialize(self):
item = [self.address, self.script, self.value, self.extraData]
return RLP.encode(item)
def serialize(self):
inventory = []
for inv in self.inventory:
inventory.append(inv.serialize())
item = [self.type, inventory]
return RLP.encode(item)
def serialize(self):
item = [self.txId, self.outputIndex]
return RLP.encode(item)
def serialize(self):
item = [self.type, self.addrList]
return RLP.encode(item)
def serialize(self):
item = [self.invType, self.invHash]
return RLP.encode(item)
def remove(key, readOnly):
if readOnly:
if key in PersistentStorage.storage:
PersistentStorage.storage.pop(key)
else:
PersistentStorage.persistent.remove(RLP.encode(key))
def add(key, value, readOnly):
if readOnly:
PersistentStorage.storage[key] = value
else:
PersistentStorage.persistent.set(RLP.encode(key), RLP.encode(value))
def serialize(self):
item = [
self.type,
self.transaction,
]
return RLP.encode(item)
def serializeHeader(self):
header = self.getHeader()
return RLP.encode(header)
def serialize(self):
item = [self.chainWork, self.previousHash, self.gasLimit, self.height]
return RLP.encode(item)
def serialize(self):
item = self.getHeader()
item.append(self.getBody())
return RLP.encode(item)
def serialize(self):
item = [self.type]
return RLP.encode(item)
def serialize(self):
item = [self.outpoint]
return RLP.encode(item)
def serialize(self):
item = [self.output, self.txOutputSize, self.height, self.coinbase]
return RLP.encode(item)
def serialize(self):
item = [
self.type,
self.block,
]
return RLP.encode(item)