def TElementTest(
rpc: RPC
) -> None:
file: IO[Any] = open("e2e/Vectors/Merit/BlankBlocks.json", "r")
blocks: List[Dict[str, Any]] = json.loads(file.read())
file.close()
merit: Merit = Merit()
blsPrivKey: PrivateKey = PrivateKey(0)
blsPubKey: str = blsPrivKey.toPublicKey().serialize().hex()
#Handshake with the node.
rpc.meros.liveConnect(merit.blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(merit.blockchain.blocks[0].header.hash)
#Send the first Block.
block: Block = Block.fromJSON(blocks[0])
merit.blockchain.add(block)
rpc.meros.liveBlockHeader(block.header)
#Handle sync requests.
reqHash: bytes = bytes()
while True:
msg: bytes = rpc.meros.sync.recv()
if MessageType(msg[0]) == MessageType.BlockBodyRequest:
reqHash = msg[1 : 33]
if reqHash != block.header.hash:
raise TestError("Meros asked for a Block Body that didn't belong to the Block we just sent it.")
rpc.meros.blockBody(block)
break
else:
raise TestError("Unexpected message sent: " + msg.hex().upper())
if MessageType(rpc.meros.live.recv()[0]) != MessageType.BlockHeader:
raise TestError("Meros didn't broadcast the Block Header it just added.")
#Create and transmit a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(0, 0, 0)
dataDiff.sign(0, blsPrivKey)
rpc.meros.signedElement(dataDiff)
sleep(0.5)
#Verify the block template has the DataDifficulty.
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate", [blsPubKey])
template["header"] = bytes.fromhex(template["header"])
if template["header"][36 : 68] != BlockHeader.createContents([], [dataDiff]):
raise TestError("Block template doesn't have the Data Difficulty.")
#Mine the Block.
block = Block(
BlockHeader(
0,
block.header.hash,
BlockHeader.createContents([], [dataDiff]),
1,
template["header"][-43 : -39],
BlockHeader.createSketchCheck(template["header"][-43 : -39], []),
0,
int.from_bytes(template["header"][-4:], byteorder="little"),
),
BlockBody([], [dataDiff], dataDiff.signature)
)
if block.header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
if block.body.serialize(block.header.sketchSalt) != bytes.fromhex(template["body"]):
raise TestError("Failed to recreate the body.")
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.blockchain.add(block)
#Publish it.
rpc.call(
"merit",
"publishBlock",
[
template["id"],
(
template["header"] +
block.header.proof.to_bytes(4, byteorder="little") +
block.header.signature +
block.body.serialize(block.header.sketchSalt)
).hex()
]
)
#Create and transmit a new DataDifficulty.
dataDiff = SignedDataDifficulty(3, 1, 0)
dataDiff.sign(0, blsPrivKey)
rpc.meros.signedElement(dataDiff)
sleep(0.5)
#Verify the block template has the DataDifficulty.
template = rpc.call("merit", "getBlockTemplate", [blsPubKey])
template["header"] = bytes.fromhex(template["header"])
if template["header"][36 : 68] != BlockHeader.createContents([], [dataDiff]):
raise TestError("Block template doesn't have the new Data Difficulty.")
#Create and transmit a new DataDifficulty reusing an existing nonce.
signatures: List[Signature] = [dataDiff.signature]
dataDiff = SignedDataDifficulty(4, 1, 0)
dataDiff.sign(0, blsPrivKey)
signatures.append(dataDiff.signature)
rpc.meros.signedElement(dataDiff)
sleep(0.5)
#Verify the block template has a MeritRemoval.
mr: MeritRemoval = MeritRemoval(
SignedDataDifficulty(3, 1, 0),
SignedDataDifficulty(4, 1, 0),
False
)
template = rpc.call("merit", "getBlockTemplate", [blsPubKey])
template["header"] = bytes.fromhex(template["header"])
if template["header"][36 : 68] != BlockHeader.createContents([], [mr]):
raise TestError("Block template doesn't have the Merit Removal.")
#Mine the Block.
block = Block(
BlockHeader(
0,
block.header.hash,
BlockHeader.createContents([], [mr]),
1,
template["header"][-43 : -39],
BlockHeader.createSketchCheck(template["header"][-43 : -39], []),
0,
int.from_bytes(template["header"][-4:], byteorder="little")
),
BlockBody([], [mr], Signature.aggregate(signatures))
)
if block.header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
if block.body.serialize(block.header.sketchSalt) != bytes.fromhex(template["body"]):
raise TestError("Failed to recreate the body.")
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.blockchain.add(block)
rpc.call(
"merit",
"publishBlock",
[
template["id"],
(
template["header"] +
block.header.proof.to_bytes(4, byteorder="little") +
block.header.signature +
block.body.serialize(block.header.sketchSalt)
).hex()
]
)
verifyBlockchain(rpc, merit.blockchain)
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Twenty Block " + str(len(blockchain.blocks)) + ".")
#Create a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(3, 0)
dataDiff.sign(0, blsPrivKey)
#Create a conflicting DataDifficulty with the same nonce.
dataDiffConflicting = SignedDataDifficulty(1, 0)
dataDiffConflicting.sign(0, blsPrivKey)
#Generate a Block containing the competing Data difficulty.
block = Block(
BlockHeader(0, blockchain.last(),
BlockHeader.createContents([], [dataDiffConflicting]), 1,
bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200),
BlockBody([], [dataDiffConflicting], dataDiffConflicting.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Twenty Block " + str(len(blockchain.blocks)) + ".")
def TElementTest(rpc: RPC) -> None:
merit: Merit = Merit()
blsPrivKey: PrivateKey = PrivateKey(0)
blsPubKey: str = blsPrivKey.toPublicKey().serialize().hex()
#Handshake with the node.
rpc.meros.liveConnect(merit.blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(merit.blockchain.blocks[0].header.hash)
#Send the first Block.
block: Block
with open("e2e/Vectors/Merit/BlankBlocks.json", "r") as file:
block = Block.fromJSON(json.loads(file.read())[0])
merit.blockchain.add(block)
rpc.meros.liveBlockHeader(block.header)
rpc.meros.handleBlockBody(block)
if MessageType(rpc.meros.live.recv()[0]) != MessageType.BlockHeader:
raise TestError(
"Meros didn't broadcast the Block Header it just added.")
#Create and transmit a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(0, 0, 0)
dataDiff.sign(0, blsPrivKey)
rpc.meros.signedElement(dataDiff)
sleep(1.5)
#Verify the block template has the DataDifficulty.
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
{"miner": blsPubKey})
template["header"] = bytes.fromhex(template["header"])
if template["header"][36:68] != BlockHeader.createContents([], [dataDiff]):
raise TestError("Block template doesn't have the Data Difficulty.")
#Mine the Block.
block = Block(
BlockHeader(
0,
block.header.hash,
BlockHeader.createContents([], [dataDiff]),
0,
template["header"][-43:-39],
BlockHeader.createSketchCheck(template["header"][-43:-39], []),
0,
int.from_bytes(template["header"][-4:], byteorder="little"),
), BlockBody([], [dataDiff], dataDiff.signature))
if block.header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.blockchain.add(block)
#Publish it.
rpc.call(
"merit", "publishBlock", {
"id":
template["id"],
"header": (template["header"] +
block.header.proof.to_bytes(4, byteorder="little") +
block.header.signature).hex()
})
#Create and transmit a new DataDifficulty.
dataDiff = SignedDataDifficulty(3, 0, 0)
dataDiff.sign(0, blsPrivKey)
rpc.meros.signedElement(dataDiff)
sleep(1.5)
#Verify the block template has a MeritRemoval.
#Thanks to implicit Merit Removals, this just means it has the new difficulty.
template = rpc.call("merit", "getBlockTemplate", {"miner": blsPubKey})
template["header"] = bytes.fromhex(template["header"])
if template["header"][36:68] != BlockHeader.createContents([], [dataDiff]):
raise TestError("Block template doesn't have the Merit Removal.")
#Mine the Block.
block = Block(
BlockHeader(
0, block.header.hash, BlockHeader.createContents([], [dataDiff]),
0, template["header"][-43:-39],
BlockHeader.createSketchCheck(template["header"][-43:-39], []), 0,
int.from_bytes(template["header"][-4:], byteorder="little")),
BlockBody([], [dataDiff], dataDiff.signature))
if block.header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.blockchain.add(block)
rpc.call(
"merit", "publishBlock", {
"id":
template["id"],
"header": (template["header"] +
block.header.proof.to_bytes(4, byteorder="little") +
block.header.signature).hex()
})
verifyBlockchain(rpc, merit.blockchain)