def toJSON(self) -> Dict[str, List[Dict[str, Any]]]:
result: Dict[str, List[Dict[str, Any]]] = {}
for holder in self.holders:
result[holder.hex().upper()] = []
for elem in self.holders[holder]:
if hasattr(elem, "toSignedJSON"):
result[holder.hex().upper()].append(
SignedElement.fromElement(elem).toSignedJSON())
else:
result[holder.hex().upper()].append(elem.toJSON())
return result
def fromJSON(json: Dict[str, Any]) -> Any:
se1: SignedElement = SignedElement()
if json["elements"][0]["descendant"] == "Verification":
se1 = SignedVerification.fromJSON(json["elements"][0])
else:
raise Exception(
"MeritRemoval constructed from an unsupported type of Element: "
+ json["elements"][0]["descendant"])
se2: SignedElement = SignedElement()
if json["elements"][1]["descendant"] == "Verification":
se2 = SignedVerification.fromJSON(json["elements"][1])
else:
raise Exception(
"MeritRemoval constructed from an unsupported type of Element: "
+ json["elements"][1]["descendant"])
result: SignedMeritRemoval = SignedMeritRemoval(se1, se2)
result.nonce = json["nonce"]
return result
def signedElement(self, elem: Element) -> bytes:
res: bytes = bytes()
if isinstance(elem, SignedVerification):
res = MessageType.SignedVerification.toByte()
elif isinstance(elem, PartiallySignedMeritRemoval):
res = MessageType.SignedMeritRemoval.toByte()
else:
raise Exception(
"Unsupported Element passed to Meros.signedElement.")
res += SignedElement.fromElement(elem).signedSerialize()
self.send(res)
return res
def getAggregate(self, records: List[Tuple[blspy.PublicKey, int,
int]]) -> bytes:
signatures: List[blspy.Signature] = []
for record in records:
holder: bytes = record[0].serialize()
start: int = record[1]
end: int = record[2]
if end == -1:
end = len(self.holders[holder])
else:
end += 1
for e in range(start, end):
signatures.append(
SignedElement.fromElement(
self.holders[holder][e]).blsSignature)
result: bytes = blspy.Signature.aggregate(signatures).serialize()
return result
datas[-1].sign(edPrivKey)
datas[-1].beat(consensus.dataFilter)
#Create 1 Verification per Data.
verifs: List[SignedVerification] = []
for d in range(len(datas)):
verifs.append(SignedVerification(datas[d].hash))
verifs[-1].sign(privKey, d)
if d < 3:
consensus.add(verifs[-1])
#Create a MeritRemoval off the last one.
sv: SignedVerification = SignedVerification(b'\0' * 48)
sv.sign(privKey, 5)
removal: SignedMeritRemoval = SignedMeritRemoval(
SignedElement.fromElement(verifs[5]), SignedElement.fromElement(sv))
consensus.add(removal)
#Generate a Block with the first 3 Elements.
block: Block = Block(
BlockHeader(2, blockchain.last(), int(time()),
consensus.getAggregate([(pubKey, 0, 2)])),
BlockBody([(pubKey, 2, consensus.getMerkle(pubKey, 0, 2))]))
#Mine it.
block.mine(blockchain.difficulty)
#Add it.
blockchain.add(block)
print("Generated Pending Actions Block " + str(block.header.nonce) + ".")
#Generate a Block with the MeritRemoval.
bbFile.close()
#Create a Data to verify.
data: Data = Data(edPubKey.to_bytes().rjust(48, b'\0'), bytes())
data.sign(edPrivKey)
data.beat(consensus.dataFilter)
#Create two Verifications with the same nonce, yet for the different Datas.
sv1: SignedVerification = SignedVerification(data.hash)
sv1.sign(privKey, 0)
sv2: SignedVerification = SignedVerification(b'\0' * 48)
sv2.sign(privKey, 0)
removal: SignedMeritRemoval = SignedMeritRemoval(
SignedElement.fromElement(sv1), SignedElement.fromElement(sv2))
consensus.add(removal)
#Generate another Block.
block: Block = Block(
BlockHeader(2, blockchain.last(), int(time()),
consensus.getAggregate([(pubKey, 0, -1)])),
BlockBody([(pubKey, 0, consensus.getMerkle(pubKey, 0))]))
#Mine it.
block.mine(blockchain.difficulty)
#Add it.
blockchain.add(block)
print("Generated Same Nonce Block " + str(block.header.nonce) + ".")
result: Dict[str, Any] = {
#Load a Multiple Block and load their MeritRemoval.
snFile: IO[Any] = open(
"python_tests/Vectors/Consensus/MeritRemoval/SameNonce.json", "r")
snVectors: Dict[str, Any] = json.loads(snFile.read())
blockchain.add(Block.fromJSON(snVectors["blockchain"][0]))
mr1: SignedMeritRemoval = SignedMeritRemoval.fromJSON(snVectors["removal"])
snFile.close()
#Create a second MeritRemoval.
sv: SignedVerification = SignedVerification(b'\1' * 48)
sv.sign(privKey, 0)
mr2: SignedMeritRemoval = SignedMeritRemoval(mr1.se1,
SignedElement.fromElement(sv))
#Add the second MeritRemoval to Consensus.
consensus.add(mr2)
#Generate a Block with the second MeritRemoval.
block: Block = Block(
BlockHeader(2, blockchain.last(), int(time()),
consensus.getAggregate([(pubKey, 0, -1)])),
BlockBody([(pubKey, 0, consensus.getMerkle(pubKey, 0))]))
#Mine it.
block.mine(blockchain.difficulty)
#Add it.
blockchain.add(block)
print("Generated Multiple Block " + str(block.header.nonce) + ".")