def __init__(self) -> None:
self.genesis: bytes = b"MEROS_DEVELOPER_NETWORK".ljust(32, b'\0')
self.upcomingKey: bytes = self.genesis
setRandomXKey(self.upcomingKey)
self.blockTime: int = 60
self.difficulties: List[int] = [100]
self.keys: Dict[bytes, int] = {}
self.blocks: List[Block] = [
Block(
BlockHeader(0, self.genesis, bytes(32), 0, bytes(4), bytes(32),
PublicKey().serialize(), 0), BlockBody())
]
blocks: List[Dict[str, Any]] = json.loads(bbFile.read())
blockchain: Blockchain = Blockchain.fromJSON(blocks)
bbFile.close()
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Create a SendDifficulty.
sendDiff: SignedSendDifficulty = SignedSendDifficulty(5, 0)
sendDiff.sign(0, blsPrivKey)
#Generate a Block containing the SendDifficulty.
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)) + ".")
#Mine 24 more Blocks until there's a vote.
for _ in range(24):
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
def getBlockTemplateTest(rpc: RPC) -> None:
edPrivKey: Ristretto.SigningKey = Ristretto.SigningKey(b'\0' * 32)
edPubKey: bytes = edPrivKey.get_verifying_key()
blockchain: Blockchain = Blockchain()
#Get multiple templates to verify they share an ID if they're requested within the same second.
templates: List[Dict[str, Any]] = []
startTime: float = nextSecond()
for k in range(5):
templates.append(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(k)},
False))
if int(startTime) != int(time.time()):
#Testing https://github.com/MerosCrypto/Meros/issues/278 has a much more forgiving timer of < 1 second each.
#That said, this test was written on the fair assumption of all the above taking place in a single second.
raise Exception(
"getBlockTemplate is incredibly slow, to the point an empty Block template takes > 0.2 seconds to grab, invalidating this test."
)
for k, template in zip(range(5), templates):
if template["id"] != int(startTime):
raise TestError("Template ID isn't the time.")
#Also check general accuracy.
if bytes.fromhex(template["key"]) != blockchain.genesis:
raise TestError("Template has the wrong RandomX key.")
bytesHeader: bytes = bytes.fromhex(template["header"])
serializedHeader: bytes = BlockHeader(
0, blockchain.blocks[0].header.hash, bytes(32), 0, bytes(4),
bytes(32),
PrivateKey(k).toPublicKey().serialize(),
int(startTime)).serialize()[:-52]
#Skip over the randomized sketch salt.
if (bytesHeader[:72] + bytesHeader[76:]) != (serializedHeader[:72] +
serializedHeader[76:]):
raise TestError("Template has an invalid header.")
#Difficulty modified as this is a new miner.
if template["difficulty"] != (blockchain.difficulty() * 11 // 10):
raise TestError("Template's difficulty is wrong.")
currTime: int = int(nextSecond())
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
{"miner": getMiner(0)}, False)
if template["id"] != currTime:
raise TestError("Template ID wasn't advanced with the time.")
#Override the ID to enable easy comparison against a historical template.
template["id"] = int(startTime)
if int.from_bytes(bytes.fromhex(template["header"])[-4:],
"little") != currTime:
raise TestError("The header has the wrong time.")
template["header"] = (
bytes.fromhex(template["header"])[:72] +
#Use the header we'll compare to's salt.
bytes.fromhex(templates[0]["header"])[72:76] +
bytes.fromhex(template["header"])[76:-4] +
#Also use its time.
int(startTime).to_bytes(4, "little")).hex().upper()
if template != templates[0]:
raise TestError(
"Template, minus the time difference, doesn't match the originally provided template."
)
#Test that the templates are deleted whenever a new Block appears.
#This is done by checking the error given when we use an old template.
with open("e2e/Vectors/Merit/BlankBlocks.json", "r") as file:
block: Block = Block.fromJSON(json.loads(file.read())[0])
blockchain.add(block)
rpc.meros.liveConnect(blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(blockchain.blocks[0].header.hash)
rpc.meros.liveBlockHeader(block.header)
rpc.meros.rawBlockBody(block, 0)
time.sleep(1)
#Sanity check.
if rpc.call("merit", "getHeight", auth=False) != 2:
raise Exception("Didn't successfully send Meros the Block.")
#Get a new template so Meros realizes the template situation has changed.
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)}, False)
try:
rpc.call("merit", "publishBlock", {
"id": int(startTime),
"header": ""
}, False)
raise Exception("")
except Exception as e:
if str(e) != "-2 Invalid ID.":
raise TestError("Meros didn't delete old template IDs.")
#Test VerificationPacket inclusion.
data: Data = Data(bytes(32), edPubKey)
data.sign(edPrivKey)
data.beat(SpamFilter(5))
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(0, PrivateKey(0))
packet = VerificationPacket(data.hash, [0])
rpc.meros.liveTransaction(data)
rpc.meros.signedElement(verif)
time.sleep(1)
if bytes.fromhex(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)["header"])[36:68] != BlockHeader.createContents(
[packet]):
raise TestError(
"Meros didn't include the Verification in its new template.")
#Test Element inclusion.
sendDiff: SignedSendDifficulty = SignedSendDifficulty(0, 0)
sendDiff.sign(0, PrivateKey(0))
rpc.meros.signedElement(sendDiff)
time.sleep(1)
if bytes.fromhex(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)["header"])[36:68] != BlockHeader.createContents(
[packet], [sendDiff]):
raise TestError(
"Meros didn't include the Element in its new template.")
#The 88 test checks for the non-inclusion of Verifications with unmentioned predecessors.
#Test for non-inclusion of Elements with unmentioned predecessors.
sendDiffChild: SignedSendDifficulty = SignedSendDifficulty(0, 2)
sendDiffChild.sign(0, PrivateKey(0))
rpc.meros.signedElement(sendDiffChild)
time.sleep(1)
if bytes.fromhex(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)["header"])[36:68] != BlockHeader.createContents(
[packet], [sendDiff]):
raise TestError(
"Meros did include an Element with an unmentioned parent in its new template."
)
#If we send a block with a time in the future, yet within FTL (of course), make sure Meros can still generate a template.
#Naively using the current time will create a negative clock, which isn't allowed.
#Start by closing the sockets to give us time to work.
rpc.meros.live.connection.close()
rpc.meros.sync.connection.close()
#Sleep to reset the connection state.
time.sleep(35)
#Create and mine the Block.
header: BlockHeader = BlockHeader(
0,
blockchain.blocks[-1].header.hash,
bytes(32),
0,
bytes(4),
bytes(32),
PrivateKey(0).toPublicKey().serialize(),
0,
)
miningStart: int = 0
#If this block takes longer than 10 seconds to mine, try another.
#Low future time (20 seconds) is chosen due to feasibility + supporting lowering the FTL in the future.
while time.time() > miningStart + 10:
miningStart = int(time.time())
header = BlockHeader(
0,
blockchain.blocks[-1].header.hash,
bytes(32),
0,
bytes(4),
bytes(32),
#Mod by something is due to a 2-byte limit (IIRC -- Kayaba).
#100 is just clean. +11 ensures an offset from the above, which really shouldn't be necessary.
#If we did need one, +1 should work, as we only ever work with PrivateKey(0) on the blockchain.
PrivateKey((miningStart % 100) + 10).toPublicKey().serialize(),
int(time.time()) + 20,
)
header.mine(PrivateKey((miningStart % 100) + 10),
blockchain.difficulty() * 11 // 10)
blockchain.add(Block(header, BlockBody()))
#Send it and verify it.
rpc.meros.liveConnect(blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(blockchain.blocks[0].header.hash)
rpc.meros.liveBlockHeader(header)
rpc.meros.rawBlockBody(Block(header, BlockBody()), 0)
rpc.meros.live.connection.close()
rpc.meros.sync.connection.close()
time.sleep(1)
#Ensure a stable template ID.
currTime = int(nextSecond())
template = rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)
if template["id"] != currTime:
raise TestError(
"Template ID isn't the time when the previous Block is in the future."
)
if int.from_bytes(bytes.fromhex(template["header"])[-4:],
"little") != (header.time + 1):
raise TestError(
"Meros didn't handle generating a template off a Block in the future properly."
)
#Verify a Block with three Elements from a holder, where two form a Merit Removal.
#Only the two which cause a MeritRemoval should be included.
#Mine a Block to a new miner and clear the current template with it (might as well).
#Also allows us to test template clearing.
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
{"miner": getMiner(1)}, False)
#Mine the Block.
proof: int = -1
tempHash: bytes = bytes()
tempSignature: bytes = bytes()
while ((proof == -1)
or ((int.from_bytes(tempHash, "little") *
(blockchain.difficulty() * 11 // 10)) > int.from_bytes(
bytes.fromhex("FF" * 32), "little"))):
proof += 1
tempHash = RandomX(
bytes.fromhex(template["header"]) + proof.to_bytes(4, "little"))
tempSignature = PrivateKey(1).sign(tempHash).serialize()
tempHash = RandomX(tempHash + tempSignature)
rpc.call(
"merit", "publishBlock", {
"id":
template["id"],
"header":
template["header"] + proof.to_bytes(4, "little").hex() +
tempSignature.hex()
})
time.sleep(1)
#Verify the template was cleared.
currTime = int(nextSecond())
bytesHeader: bytes = bytes.fromhex(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)["header"])
serializedHeader: bytes = BlockHeader(
0,
tempHash,
bytes(32),
0,
bytes(4),
bytes(32),
0,
#Ensures that the previous time manipulation doesn't come back to haunt us.
max(currTime, blockchain.blocks[-1].header.time + 1)).serialize()[:-52]
#Skip over the randomized sketch salt and time (which we don't currently have easy access to).
if (bytesHeader[:72] + bytesHeader[76:-4]) != (serializedHeader[:72] +
serializedHeader[76:-4]):
raise TestError("Template wasn't cleared.")
#Sleep so we can reconnect.
time.sleep(35)
rpc.meros.liveConnect(blockchain.blocks[0].header.hash)
#Finally create the Elements.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(1, 0)
dataDiff.sign(2, PrivateKey(1))
rpc.meros.signedElement(dataDiff)
sendDiffs: List[SignedSendDifficulty] = [
SignedSendDifficulty(1, 1),
SignedSendDifficulty(2, 1)
]
for sd in sendDiffs:
sd.sign(2, PrivateKey(1))
rpc.meros.signedElement(sd)
time.sleep(1)
#`elem for elem` is used below due to Pyright not handling inheritance properly when nested.
#pylint: disable=unnecessary-comprehension
if bytes.fromhex(
rpc.call("merit", "getBlockTemplate", {"miner": getMiner(0)},
False)["header"])[36:68] != BlockHeader.createContents(
[], [elem for elem in sendDiffs[::-1]]):
raise TestError(
"Meros didn't include just the malicious Elements in its new template."
)
toAggregate = []
for h in order[0]:
for s in order[0][h]:
if s not in packets:
packets[s] = VerificationPacket(sends[s].hash, [])
packets[s].holders.append(h)
verif: SignedVerification = SignedVerification(sends[s].hash)
verif.sign(h, blsPrivKeys[h])
toAggregate.append(verif.signature)
block: Block = Block(
BlockHeader(
0, blockchain.last(),
BlockHeader.createContents(list(packets.values())), 1, bytes(4),
BlockHeader.createSketchCheck(bytes(4), list(packets.values())),
order[1], blockchain.blocks[-1].header.time + 1200),
BlockBody(list(packets.values()), [],
Signature.aggregate(toAggregate)))
miner: Union[bytes, int] = order[1]
if isinstance(miner, bytes):
for k in range(len(blsPubKeys)):
if miner == blsPubKeys[k].serialize():
block.mine(blsPrivKeys[k], blockchain.difficulty())
break
else:
block.mine(blsPrivKeys[miner], blockchain.difficulty())
blockchain.add(block)
print("Generated Fifty Block " + str(len(blockchain.blocks) - 1) + ".")
data: Data = Data(bytes(32), edPubKey.to_bytes())
data.sign(edPrivKey)
data.beat(dataFilter)
transactions.add(data)
#Verify it.
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(0, blsPrivKey)
#Generate another 6 Blocks.
#Next block should have a packet.
block: Block = Block(
BlockHeader(
0, merit.blockchain.last(),
BlockHeader.createContents([VerificationPacket(verif.hash, [0])]), 1,
bytes(4),
BlockHeader.createSketchCheck(bytes(4),
[VerificationPacket(verif.hash, [0])]),
0, merit.blockchain.blocks[-1].header.time + 1200),
BlockBody([VerificationPacket(verif.hash, [0])], [], verif.signature))
for _ in range(6):
#Mine it.
block.mine(blsPrivKey, merit.blockchain.difficulty())
#Add it.
merit.add(block)
print("Generated Claimed Mint Block " +
str(len(merit.blockchain.blocks) - 1) + ".")
#Create the next Block.
block = Block(
#BLS keys.
blsPrivKeys: List[PrivateKey] = [
PrivateKey(blake2b(b'\0', digest_size=32).digest()),
PrivateKey(blake2b(b'\1', digest_size=32).digest())
]
blsPubKeys: List[PublicKey] = [
blsPrivKeys[0].toPublicKey(), blsPrivKeys[1].toPublicKey()
]
#Add 4 Blank Blocks.
for i in range(4):
merit.add(Block.fromJSON(blankBlocks[i]))
#Add a 5th Block to another verifier.
block: Block = Block(
BlockHeader(0, merit.blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKeys[1].serialize(),
merit.blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKeys[1], merit.blockchain.difficulty())
#Add it.
merit.add(block)
print("Generated Aggregated Claim Block " +
str(len(merit.blockchain.blocks) - 1) + ".")
#Create the Datas.
datas: List[Data] = [Data(bytes(32), edPubKey.to_bytes())]
datas.append(Data(datas[-1].hash, bytes(1)))
datas.append(Data(datas[-1].hash, bytes(1)))
datas.append(Data(datas[-1].hash, bytes(1)))
for data in datas:
#Transactions.
transactions: Transactions = Transactions()
#Blockchain.
blockchain: Blockchain = Blockchain()
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Invalid Competing Block " + str(len(blockchain.blocks)) + ".")
#Create a Data using a bogus input.
data: Data = Data(bytes.fromhex("11" * 32), bytes(1))
transactions.add(data)
#Create a competing Data using the same input.
competingData: Data = Data(bytes.fromhex("11" * 32), bytes(2))
transactions.add(competingData)
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS keys.
blsPrivKeys: List[PrivateKey] = [
PrivateKey(blake2b(b'\0', digest_size=32).digest()),
PrivateKey(blake2b(b'\1', digest_size=32).digest())
]
blsPubKeys: List[PublicKey] = [
blsPrivKeys[0].toPublicKey(), blsPrivKeys[1].toPublicKey()
]
#Give the first key Merit.
block: Block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKeys[0].serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKeys[0], blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Forty Two Block " + str(len(blockchain.blocks)) + ".")
#Give the second key Merit.
block: Block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKeys[1].serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
block.mine(blsPrivKeys[1], blockchain.difficulty())
from e2e.Classes.Merit.Blockchain import Blockchain
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
blockchain: Blockchain = Blockchain()
blocks: List[Block] = []
#Generate a Block granting the holder Merit.
blank: Block = Block(
BlockHeader(
0,
blockchain.last(),
bytes(32),
1,
bytes(4),
bytes(32),
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200
),
BlockBody()
)
blank.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(blank)
#Generate a Block which has a VP with no holders.
vp: VerificationPacket = VerificationPacket(b'z' * 32, [])
blocks.append(
Block(
BlockHeader(
0,
main: Blockchain = Blockchain.fromJSON(blocks)
#Only add the first 15 to the alt chain.
alt: Blockchain = Blockchain()
for b in range(15):
alt.add(Block.fromJSON(blocks[b]))
#Generate an alternative fifteen Blocks.
for i in range(1, 15):
#Create the next Block.
block = Block(
BlockHeader(
0,
alt.last(),
bytes(32),
1,
bytes(4),
bytes(32),
0,
alt.blocks[-1].header.time +
1201 #Use a slightly different time to ensure a different hash.
),
BlockBody())
#Mine the Block.
block.mine(privKey, alt.difficulty())
#Add it locally.
alt.add(block)
print("Generated Longer Chain, More Work Block " + str(i) + ".")
vectors: IO[Any] = open(
#SpamFilter.
spamFilter: SpamFilter = SpamFilter(5)
#Blockchains.
e1Chain: Blockchain = Blockchain()
e2Chain: Blockchain = Blockchain()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(
0,
e1Chain.last(),
bytes(32),
1,
bytes(4),
bytes(32),
blsPubKey.serialize(),
e1Chain.blocks[-1].header.time + 1200
),
BlockBody()
)
#Mine it.
block.mine(blsPrivKey, e1Chain.difficulty())
#Add it.
e1Chain.add(block)
e2Chain.add(block)
print("Generated Hundred Thirty Three Block 1/2 " + str(len(e1Chain.blocks)) + ".")
#Create the initial Data and two competing Datas.
def TwoHundredFourtyTest(rpc: RPC) -> None:
#Grab the keys.
blsPrivKey: PrivateKey = PrivateKey(
bytes.fromhex(rpc.call("personal", "getMeritHolderKey")))
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Blockchain used to calculate the difficulty.
blockchain: Blockchain = Blockchain()
#Mine enough blocks to lose Merit.
for b in range(9):
template: Dict[str,
Any] = rpc.call("merit", "getBlockTemplate",
{"miner": blsPubKey.serialize().hex()})
template["header"] = bytes.fromhex(template["header"])
header: BlockHeader = BlockHeader(
0, blockchain.last(), bytes(32), 0, bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200)
if b == 0:
header.newMiner = True
header.minerKey = blsPubKey.serialize()
header.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(Block(header, BlockBody()))
rpc.meros.liveConnect(blockchain.blocks[0].header.hash)
rpc.meros.syncConnect(blockchain.blocks[0].header.hash)
for b in range(1, 10):
headerMsg: bytes = rpc.meros.liveBlockHeader(
blockchain.blocks[b].header)
rpc.meros.handleBlockBody(blockchain.blocks[b])
if rpc.meros.live.recv() != headerMsg:
raise TestError("Meros didn't broadcast back the Block Header.")
if MessageType(
rpc.meros.live.recv()[0]) != MessageType.SignedVerification:
raise TestError(
"Meros didn't sign a verification of the Block's data.")
try:
rpc.meros.live.connection.shutdown(socket.SHUT_RDWR)
rpc.meros.live.connection.close()
rpc.meros.sync.connection.shutdown(socket.SHUT_RDWR)
rpc.meros.sync.connection.close()
except OSError:
pass
#Verify our Merit is locked.
if rpc.call("merit", "getMerit", {"nick": 0})["status"] != "Locked":
raise Exception("Our Merit isn't locked so this test is invalid.")
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate",
{"miner": blsPubKey.serialize().hex()})
template["header"] = bytes.fromhex(template["header"])
header: BlockHeader = BlockHeader(
0, template["header"][4:36], template["header"][36:68],
int.from_bytes(template["header"][68:72], byteorder="little"),
template["header"][72:76], template["header"][76:108], 0,
int.from_bytes(template["header"][-4:], byteorder="little"))
if not any(header.contents):
raise TestError("Meros didn't try to unlock its Merit.")
header.mine(blsPrivKey, blockchain.difficulty())
#Don't add the last block because we never provided it with a proper body.
rpc.call(
"merit", "publishBlock", {
"id":
template["id"],
"header": (template["header"] +
header.proof.to_bytes(4, byteorder="little") +
header.signature).hex()
})
#To verify the entire chain, we just need to verify this last header.
#This is essential as our chain isn't equivalent.
ourHeader: Dict[str, Any] = header.toJSON()
if rpc.call("merit", "getBlock",
{"block": header.hash.hex()})["header"] != ourHeader:
raise TestError("Header wasn't added to the blockchain.")
#Create a Data with an invalid signature.
data: Data = Data(bytes(32), edPubKey.to_bytes())
data.signature = edPrivKey.sign(b"INVALID")
data.beat(dataFilter)
#Create a Verification.
sv: SignedVerification = SignedVerification(data.hash)
sv.sign(0, blsPrivKey)
#Create packets out of the Verification.
packets: List[VerificationPacket] = [VerificationPacket(data.hash, [0])]
#Generate another Block.
block = Block(
BlockHeader(0, blockchain.last(), BlockHeader.createContents(packets), 1,
bytes(4), BlockHeader.createSketchCheck(bytes(4), packets), 0,
blockchain.blocks[-1].header.time + 1200),
BlockBody(packets, [], sv.signature))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Parsable Block " + str(len(blockchain.blocks)) + ".")
result: Dict[str, Any] = {
"blockchain": blockchain.toJSON(),
"data": data.toJSON()
}
vectors: IO[Any] = open("e2e/Vectors/Consensus/Verification/Parsable.json",
"w")
import json
#Blockchain.
blockchain: Blockchain = Blockchain()
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Ed25519 keys.
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Same Element Block " + str(len(blockchain.blocks)) + ".")
#Create a SendDifficulty.
sendDiff: SignedSendDifficulty = SignedSendDifficulty(4, 0)
sendDiff.sign(0, blsPrivKey)
#Create a DataDifficulty.
dataDiff: SignedDataDifficulty = SignedDataDifficulty(4, 0)
dataDiff.sign(0, blsPrivKey)
#BLS Private Key.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
#Create a Data for the VerificationPacket.
data: Data = Data(bytes(32), edPubKey.to_bytes())
data.sign(edPrivKey)
data.beat(dataFilter)
transactions.add(data)
#Generate the VerificationPacket Block.
block = Block(
BlockHeader(
0, blockchain.last(),
BlockHeader.createContents([VerificationPacket(data.hash, [1])]), 1,
bytes(4),
BlockHeader.createSketchCheck(bytes(4),
[VerificationPacket(data.hash, [1])]),
blsPrivKey.toPublicKey().serialize(),
blockchain.blocks[-1].header.time + 1200),
BlockBody([VerificationPacket(data.hash, [1])], [], blsPrivKey.sign(b"")))
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it to the vectors.
blocks.append(block.toJSON())
print("Generated Hundred Six Block Elements VerificationPacket Block.")
#Generate the SendDifficulty Block.
elements: List[Element] = []
elements.append(SendDifficulty(0, 0, 1))
block = Block(
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#SpamFilter.
spamFilter: SpamFilter = SpamFilter(5)
#Blockchains.
blockchain: Blockchain = Blockchain()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Mine it.
block.mine(blsPrivKey, blockchain.difficulty())
#Add it.
blockchain.add(block)
print("Generated Hundred Thirty Five Block " + str(len(blockchain.blocks)) +
".")
#Create the initial Data and two competing Datas.
datas: List[Data] = [Data(bytes(32), edPubKey.to_bytes())]
datas.append(Data(datas[0].hash, b"Initial Data."))
datas.append(Data(datas[0].hash, b"Second Data."))
for data in datas:
data.sign(edPrivKey)
main: Blockchain = Blockchain.fromJSON(blocks)
#Only add the first 15 to the alt chain.
alt: Blockchain = Blockchain()
for b in range(15):
alt.add(Block.fromJSON(blocks[b]))
#Generate an alternative five Blocks.
for i in range(1, 5):
#Create the next Block.
block = Block(
BlockHeader(
0,
alt.last(),
bytes(32),
1,
bytes(4),
bytes(32),
0,
alt.blocks[-1].header.time +
1 #Use a much shorter time to acquire more work.
),
BlockBody())
#Mine the Block.
block.mine(privKey, alt.difficulty())
#Add it locally.
alt.add(block)
print("Generated Shorter Chain, More Work Block " + str(i) + ".")
vectors: IO[Any] = open(
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Blockchains.
blockchain: Blockchain = Blockchain()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(
0,
blockchain.last(),
bytes(32),
1,
bytes(4),
bytes(32),
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 Three Partial Block " + str(len(blockchain.blocks)) + ".")
#Create conflicting Data Difficulties.
dataDiffs: List[SignedDataDifficulty] = [
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
#Blockchain.
blockchain: Blockchain = Blockchain()
#Miner Private Key.
privKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
#Create the Block.
block: Block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
privKey.toPublicKey().serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
#Generate Blocks.
for i in range(1, 26):
#Mine the Block.
block.mine(privKey, blockchain.difficulty())
#Add it locally.
blockchain.add(block)
print("Generated Blank Block " + str(i) + ".")
#Create the next Block.
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200), BlockBody())
from e2e.Classes.Transactions.Data import Data
from e2e.Classes.Transactions.Transactions import Transactions
blockchain: Blockchain = Blockchain()
dataFilter: SpamFilter = SpamFilter(5)
transactions: Transactions = Transactions()
edPrivKey: ed25519.SigningKey = ed25519.SigningKey(b'\0' * 32)
edPubKey: ed25519.VerifyingKey = edPrivKey.get_verifying_key()
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
block: Block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
blsPubKey.serialize(),
blockchain.blocks[-1].header.time + 1200), BlockBody())
block.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(block)
data = Data(b"", b"")
svs: List[SignedVerification] = []
packets: List[VerificationPacket] = []
for d in range(0, 3):
if d == 0:
data = Data(bytes(32), edPubKey.to_bytes())
else:
data = Data(data.hash, edPubKey.to_bytes())
data.sign(edPrivKey)
data.beat(dataFilter)
transactions.add(data)
transactions.add(data)
#Verify them in unique Blocks.
packet: List[VerificationPacket]
for data in datas:
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(0, blsPrivKey)
packet = [VerificationPacket(data.hash, [0])]
block = Block(
BlockHeader(
0,
merit.blockchain.last(),
BlockHeader.createContents(packet),
1,
bytes(4),
BlockHeader.createSketchCheck(bytes(4), packet),
0,
merit.blockchain.blocks[-1].header.time + 1200
),
BlockBody(packet, [], verif.signature)
)
block.mine(blsPrivKey, merit.blockchain.difficulty())
merit.add(block)
#Generate another 5 Blocks to close the Epochs.
for _ in range(5):
block = Block(
BlockHeader(
0,
merit.blockchain.last(),
from e2e.Classes.Merit.BlockBody import BlockBody
from e2e.Classes.Merit.Block import Block
from e2e.Classes.Merit.Blockchain import Blockchain
bbFile: IO[Any] = open("e2e/Vectors/Merit/BlankBlocks.json", "r")
blocks: List[Dict[str, Any]] = json.loads(bbFile.read())
blockchain: Blockchain = Blockchain.fromJSON(blocks)
bbFile.close()
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Mine 24 more Blocks so a vote is earned on the Block after this.
for _ in range(24):
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 0, bytes(4), bytes(32), 0,
blockchain.blocks[-1].header.time + 1200), BlockBody())
block.mine(blsPrivKey, blockchain.difficulty())
blockchain.add(block)
#Now that we have a vote, submit a Block which has two DataDifficulty updates in the same Block.
#The first Element should have a higher nonce than the second.
#This will verify Meros properly handles out-of-order Elements included in a Block.
dataDiffs: List[SignedDataDifficulty] = [
SignedDataDifficulty(1, 1),
SignedDataDifficulty(2, 0)
]
for dataDiff in dataDiffs:
dataDiff.sign(0, blsPrivKey)
for _ in range(2):
#Blake2b standard function.
from hashlib import blake2b
#JSON standard lib.
import json
#Blockchain.
blockchain: Blockchain = Blockchain()
#BLS Keys.
blsPrivKey: PrivateKey = PrivateKey(blake2b(b'\0', digest_size=32).digest())
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Generate a Block granting the holder Merit.
block = Block(
BlockHeader(0, blockchain.last(), bytes(32), 1, bytes(4), bytes(32),
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)
def HundredSeventySevenTest(
rpc: RPC
) -> None:
#Grab the keys.
blsPrivKey: PrivateKey = PrivateKey(bytes.fromhex(rpc.call("personal", "getMiner")))
blsPubKey: PublicKey = blsPrivKey.toPublicKey()
#Faux Blockchain used to calculate the difficulty.
blockchain: Blockchain = Blockchain()
#Mine 8 Blocks.
#The first creates the initial Data.
#The next 6 pop it from the Epochs.
#One more is to verify the next is popped as well.
for b in range(0, 8):
template: Dict[str, Any] = rpc.call("merit", "getBlockTemplate", [blsPubKey.serialize().hex()])
template["header"] = bytes.fromhex(template["header"])
header: BlockHeader = BlockHeader(
0,
template["header"][4 : 36],
template["header"][36 : 68],
int.from_bytes(template["header"][68 : 70], byteorder="big"),
template["header"][70 : 74],
template["header"][74 : 106],
0,
int.from_bytes(template["header"][-4:], byteorder="big")
)
if b == 0:
header.newMiner = True
header.minerKey = blsPubKey.serialize()
else:
header.newMiner = False
header.minerNick = 0
if header.serializeHash()[:-4] != template["header"]:
raise TestError("Failed to recreate the header.")
header.mine(blsPrivKey, blockchain.difficulty())
#Sleep for just over two thirty-second cycles to make sure we can connect to the node.
sleep(65)
rpc.meros.liveConnect(blockchain.blocks[-1].header.hash)
blockchain.add(Block(header, BlockBody()))
rpc.call(
"merit",
"publishBlock",
[
template["id"],
(
template["header"] +
header.proof.to_bytes(4, byteorder="big") +
header.signature +
bytes.fromhex(template["body"])
).hex()
]
)
if rpc.meros.live.recv() != rpc.meros.liveBlockHeader(header):
raise TestError("Meros didn't broadcast the BlockHeader.")
#If there's supposed to be a Mint, verify Meros claimed it.
if b >= 6:
#Artificially create the Mint since the Blockchain won't create one without a recreated BlockBody.
#It's faster to create a faux Mint than to handle the BlockBodies.
mint: Mint = Mint(header.hash, [(0, 50000)])
claim: Claim = Claim([(mint.hash, 0)], bytes(32))
claim.sign([blsPrivKey])
if rpc.meros.live.recv()[0 : -80] != (MessageType.Claim.toByte() + claim.serialize())[0 : -80]:
raise TestError("Meros didn't claim its Mint.")
if MessageType(rpc.meros.live.recv()[0]) != MessageType.SignedVerification:
raise TestError("Meros didn't verify its Claim.")
#Create the matching Data.
data: Data = Data(blockchain.genesis, header.hash)
#Make sure Meros broadcasts a valid Verification for it.
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(0, blsPrivKey)
if rpc.meros.live.recv() != rpc.meros.signedElement(verif):
raise TestError("Meros didn't verify the Block's Data.")
#Close the live connection so we don't have to worry about it being disconnected for inactivity.
try:
rpc.meros.live.connection.shutdown(socket.SHUT_RDWR)
rpc.meros.live.connection.close()
except OSError:
pass
sleep(3)
secondVerif.sign(0, blsPrivKey)
packets: List[VerificationPacket] = [
VerificationPacket(first.hash, [0]),
VerificationPacket(second.hash, [0]),
]
#Generate another 6 Blocks.
#Next block should have the packets.
block: Block = Block(
BlockHeader(
0,
merit.blockchain.last(),
BlockHeader.createContents(packets),
1,
bytes(4),
BlockHeader.createSketchCheck(bytes(4), packets),
0,
merit.blockchain.blocks[-1].header.time + 1200
),
BlockBody(packets, [], Signature.aggregate([firstVerif.signature, secondVerif.signature]))
)
for _ in range(6):
#Mine it.
block.mine(blsPrivKey, merit.blockchain.difficulty())
#Add it.
merit.add(block)
print("Generated Competing Finalized Block " + str(len(merit.blockchain.blocks) - 1) + ".")
#Create the next Block.
txs[-1].beat(dataFilter)
verifs.append(SignedVerification(txs[-1].hash))
verifs[-1].sign(0, blsPrivKey)
txs.append(Data(txs[-1].hash, b"\0"))
del txs[-1]
#Create the final Block.
#Done manually as it has invalid data.
packets: List[VerificationPacket] = [
VerificationPacket(tx.hash, [0]) for tx in txs
]
blocks.append(
Block(
BlockHeader(0, blocks[0].header.hash,
BlockHeader.createContents(packets), 4, bytes(4),
BlockHeader.createSketchCheck(bytes(4), packets), 0, 2400),
BlockBody(packets, [],
Signature.aggregate([verif.signature for verif in verifs]))))
#The difficulty either shouldn't change or should lower, hence why this works.
blocks[-1].header.mine(blsPrivKey, Merit().blockchain.difficulty())
#Only save the Verifications the test will use.
#Not a micro-opt on disk space; rather ensures this data isn't floating around to cause invalid testing methodology.
#This would optimally be inlined below with the vector write, yet pylint errors on the complex statement.
verifs = verifs[:2]
with open("e2e/Vectors/Merit/TwoHundredSeventyFour/MatchesHeaderQuantity.json",
"w") as vectors:
vectors.write(
json.dumps({
"blocks": [block.toJSON() for block in blocks],