def receiveMeritRemoval() -> None:
#We should receive a MeritRemoval, which is partial.
#The unsigned Element should be the Block's DataDifficulty.
#The signed Element should be the mempool's DataDifficulty.
if rpc.meros.live.recv() != (
MessageType.SignedMeritRemoval.toByte() + PartialMeritRemoval(
blockchainDataDiff, mempoolDataDiff, 0).signedSerialize()):
raise TestError("Meros didn't create the partial Merit Removal.")
#Verify Meros didn't just broadcast it, yet also added it.
verifyMeritRemoval(rpc, 1, 1, 0, False)
def PartialTest(rpc: RPC) -> None:
file: IO[Any] = open(
"PythonTests/Vectors/Consensus/MeritRemoval/Partial.json", "r")
vectors: Dict[str, Any] = json.loads(file.read())
file.close()
keys: Dict[bytes, int] = {
bytes.fromhex(vectors["blockchain"][0]["header"]["miner"]): 0
}
nicks: List[bytes] = [
bytes.fromhex(vectors["blockchain"][0]["header"]["miner"])
]
#MeritRemoval.
#pylint: disable=no-member
removal: PartialMeritRemoval = PartialMeritRemoval.fromSignedJSON(
keys, vectors["removal"])
#Create and execute a Liver to cause a Partial MeritRemoval.
def sendElement() -> None:
#Send the second Element.
rpc.meros.signedElement(removal.se2)
#Verify the MeritRemoval.
if rpc.meros.recv() != (MessageType.SignedMeritRemoval.toByte() +
removal.signedSerialize(nicks)):
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 2, 2, removal.holder, True)
Liver(rpc,
vectors["blockchain"],
callbacks={
2: sendElement,
3: lambda: verifyMeritRemoval(rpc, 2, 2, removal.holder, False)
}).live()
#Create and execute a Liver to handle a Partial MeritRemoval.
def sendMeritRemoval() -> None:
#Send and verify the MeritRemoval.
if rpc.meros.signedElement(removal) != rpc.meros.recv():
raise TestError("Meros didn't send us the Merit Removal.")
verifyMeritRemoval(rpc, 2, 2, removal.holder, True)
Liver(rpc,
vectors["blockchain"],
callbacks={
2: sendMeritRemoval,
3: lambda: verifyMeritRemoval(rpc, 2, 2, removal.holder, False)
}).live()
#Create and execute a Syncer to handle a Partial MeritRemoval.
Syncer(rpc, vectors["blockchain"]).sync()
verifyMeritRemoval(rpc, 2, 2, removal.holder, False)
BlockBody([], [dataDiff], dataDiff.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Partial Block " + str(len(blockchain.blocks)) + ".")
#Create a conflicting DataDifficulty with the same nonce.
dataDiffConflicting = SignedDataDifficulty(
bytes.fromhex(
"8888888888888888888888888888888888888888888888888888888888888888"), 0)
dataDiffConflicting.sign(0, blsPrivKey)
#Create a MeritRemoval out of the two of them.
mr: PartialMeritRemoval = PartialMeritRemoval(dataDiff, dataDiffConflicting)
#Generate a Block containing the MeritRemoval.
block = Block(
BlockHeader(0, blockchain.last(), BlockHeader.createContents([], [],
[mr]), 1,
bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200),
BlockBody([], [mr], mr.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Partial Block " + str(len(blockchain.blocks)) + ".")
#Now that we have aa vote, update our vote.
block = Block(
BlockHeader(0, blockchain.last(),
BlockHeader.createContents([], [dataDiffs[1]]), 1, bytes(4),
bytes(32), 0, blockchain.blocks[-1].header.time + 1200),
BlockBody([], [dataDiffs[1]], dataDiffs[1].signature))
block.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(block)
print("Generated DataDifficulty Block " + str(len(blockchain.blocks)) + ".")
#Create MeritRemovals by reusing nonces.
for n in range(2):
competing: SignedDataDifficulty = SignedDataDifficulty(0, n)
competing.sign(0, blsPrivKey)
mr: PartialMeritRemoval = PartialMeritRemoval(dataDiffs[n], competing)
block = Block(
BlockHeader(0, blockchain.last(), BlockHeader.createContents([],
[mr]), 1,
bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200),
BlockBody([], [mr], mr.signature))
block.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(block)
print("Generated DataDifficulty Block " + str(len(blockchain.blocks)) +
".")
#Mine another 50 Blocks.
for _ in range(50):
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32), 0,
block = Block(
BlockHeader(0, blockchain.last(),
BlockHeader.createContents([], [sendDiff]), 1, bytes(4),
bytes(32), 0, blockchain.blocks[-1].header.time + 1200),
BlockBody([], [sendDiff], sendDiff.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated SendDifficulty Block " + str(len(blockchain.blocks)) + ".")
#Create a MeritRemoval by reusing a nonce.
competing: SignedSendDifficulty = SignedSendDifficulty(0, 1)
competing.sign(0, blsPrivKey)
mr: PartialMeritRemoval = PartialMeritRemoval(sendDiff, competing)
#Generate a Block containing the MeritRemoval.
block = Block(
BlockHeader(0, blockchain.last(), BlockHeader.createContents([], [mr]), 1,
bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200),
BlockBody([], [mr], mr.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated SendDifficulty Block " + str(len(blockchain.blocks)) + ".")
#Mine another 50 Blocks.
#Generate a Block containing the first Data Difficulty.
block = Block(
BlockHeader(0, blockchain.last(),
BlockHeader.createContents([], [dataDiffs[0]]), 1, bytes(4),
bytes(32), 0, blockchain.blocks[-1].header.time + 1200),
BlockBody([], [dataDiffs[0]], dataDiffs[0].signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Twenty Three Partial Block " +
str(len(blockchain.blocks)) + ".")
#Create a partial MeritRemoval out of the conflicting Data Difficulties.
partial: PartialMeritRemoval = PartialMeritRemoval(dataDiffs[0], dataDiffs[1])
#Generate a Block containing the partial MeritRemoval.
block = Block(
BlockHeader(0, blockchain.last(),
BlockHeader.createContents([], [partial]), 1, bytes(4),
bytes(32), 0, blockchain.blocks[-1].header.time + 1200),
BlockBody([], [partial], partial.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Twenty Three Partial Block " +
str(len(blockchain.blocks)) + ".")