def mineBlock(rpc: RPC, nick: int = 0) -> None:
privKey: PrivateKey = PrivateKey(nick)
template: Dict[str, Any] = rpc.call(
"merit", "getBlockTemplate",
{"miner": privKey.toPublicKey().serialize().hex()})
header: bytes = bytes.fromhex(template["header"])[:-4]
header += (rpc.call(
"merit", "getBlock",
{"block": rpc.call("merit", "getHeight") - 1})["header"]["time"] +
1200).to_bytes(4, "little")
proof: int = -1
tempHash: bytes = bytes()
signature: bytes = bytes()
while ((proof == -1)
or ((int.from_bytes(tempHash, "little") * template["difficulty"]) >
int.from_bytes(bytes.fromhex("FF" * 32), "little"))):
proof += 1
tempHash = RandomX(header + proof.to_bytes(4, "little"))
signature = privKey.sign(tempHash).serialize()
tempHash = RandomX(tempHash + signature)
rpc.call(
"merit", "publishBlock", {
"id":
template["id"],
"header":
header.hex() + proof.to_bytes(4, "little").hex() + signature.hex()
})
if rpc.meros.live.recv() != (MessageType.BlockHeader.toByte() + header +
proof.to_bytes(4, "little") + signature):
raise TestError("Meros didn't broadcast back the BlockHeader.")
def verifyRecreation() -> None:
template: Dict[str,
Any] = rpc.call("merit", "getBlockTemplate",
[key.toPublicKey().serialize().hex()])
if bytes.fromhex(
template["header"])[36:68] != BlockHeader.createContents(
[VerificationPacket(data.hash, [1])]):
raise TestError(
"New Block template doesn't have a properly recreated packet.")
#Mining it further verifies the internal state.
header: bytes = bytes.fromhex(template["header"])
proof: int = 0
sig: bytes
while True:
initial: bytes = RandomX(header +
proof.to_bytes(4, byteorder="little"))
sig = key.sign(initial).serialize()
final: bytes = RandomX(initial + sig)
if (int.from_bytes(final, "little") *
template["difficulty"]) < int.from_bytes(
bytes.fromhex("FF" * 32), "little"):
break
proof += 1
rpc.call("merit", "publishBlock", [
template["id"],
(header + proof.to_bytes(4, byteorder="little") + sig).hex()
])
raise SuccessError(
"Stop Liver from trying to verify the vector chain which doesn't have this Block."
)
def mine(self, privKey: PrivateKey, difficulty: int) -> None:
self.proof = -1
while ((self.proof == -1)
or ((int.from_bytes(self.hash, "little") * difficulty) >
int.from_bytes(bytes.fromhex("FF" * 32), "little"))):
self.proof += 1
self.hash = RandomX(self.serializeHash())
self.signature = privKey.sign(self.hash).serialize()
self.hash = RandomX(self.hash + self.signature)
def RandomXTest() -> None:
#Generate 100 RandomX keys, and create 10 hashes with each.
#As this is single threaded, it's guaranteed to be safe.
keys: List[bytes] = []
hashed: List[List[bytes]] = []
hashes: List[List[bytes]] = []
for _ in range(100):
keys.append(bytes(getrandbits(8) for _ in range(32)))
setRandomXKey(keys[-1])
hashed.append([])
hashes.append([])
for _ in range(10):
hashed[-1].append(
bytes(getrandbits(8) for _ in range(getrandbits(8))))
hashes[-1].append(RandomX(hashed[-1][-1]))
def rxThread(t: int) -> None:
for k in range(t * 25, (t + 1) * 25):
setRandomXKey(keys[k])
for h in range(len(hashed[k])):
if RandomX(hashed[k][h]) != hashes[k][h]:
raise TestError(
"Threaded RandomX returned a different result than the single-threaded version."
)
#Now, spawn 4 threads and re-iterate over every hash.
threads: List[Thread] = []
for t in range(4):
threads.append(Thread(None, rxThread, "RX-" + str(t), [t]))
threads[-1].start()
for thread in threads:
thread.join()
def rxThread(t: int) -> None:
for k in range(t * 25, (t + 1) * 25):
setRandomXKey(keys[k])
for h in range(len(hashed[k])):
if RandomX(hashed[k][h]) != hashes[k][h]:
raise TestError(
"Threaded RandomX returned a different result than the single-threaded version."
)
def test() -> None:
#Send to the first address from outside the Wallet. First address is now funded.
sendHash: bytes = createSend(
rpc, claims[0], decodeAddress(rpc.call("personal", "getAddress")))
#Send to the second address with all of the funds. Second address is now funded.
#Tests send's minimal case (single input, no change).
nextAddr: str = rpc.call("personal", "getAddress")
sends: List[str] = [
rpc.call(
"personal", "send", {
"outputs": [{
"address": nextAddr,
"amount": str(claims[0].amount)
}]
})
]
checkSend(
rpc, sends[-1], {
"inputs": [{
"hash": sendHash.hex().upper(),
"nonce": 0
}],
"outputs": [{
"key": decodeAddress(nextAddr).hex().upper(),
"amount": str(claims[0].amount)
}]
})
verify(rpc, bytes.fromhex(sends[-1]))
#Send to the third address with some of the funds. Third and change addresses are now funded.
#Tests send's capability to create a change output.
mnemonic: str = rpc.call("personal", "getMnemonic")
nextAddr = rpc.call("personal", "getAddress")
sends.append(
rpc.call(
"personal", "send", {
"outputs": [{
"address": nextAddr,
"amount": str(claims[0].amount - 1)
}]
}))
checkSend(
rpc, sends[-1], {
"inputs": [{
"hash": sends[-2],
"nonce": 0
}],
"outputs":
[{
"key": decodeAddress(nextAddr).hex().upper(),
"amount": str(claims[0].amount - 1)
}, {
"key": getChangePublicKey(mnemonic, "", 0).hex().upper(),
"amount": "1"
}]
})
verify(rpc, bytes.fromhex(sends[-1]))
#Send all funds out of Wallet.
#Tests MuSig signing and change UTXO detection.
privKey: Ristretto.SigningKey = Ristretto.SigningKey(b'\0' * 32)
pubKey: bytes = privKey.get_verifying_key()
sends.append(
rpc.call(
"personal", "send", {
"outputs": [{
"address":
bech32_encode("mr",
convertbits(bytes([0]) + pubKey, 8, 5)),
"amount":
str(claims[0].amount)
}]
}))
checkSend(
rpc, sends[-1], {
"inputs": [{
"hash": sends[-2],
"nonce": 0
}, {
"hash": sends[-2],
"nonce": 1
}],
"outputs": [{
"key": pubKey.hex().upper(),
"amount": str(claims[0].amount)
}]
})
verify(rpc, bytes.fromhex(sends[-1]))
#Clear Wallet. Set a password this time around to make sure the password is properly carried.
#Send two instances of funds to the first address.
rpc.call("personal", "setWallet", {"password": "******"})
mnemonic = rpc.call("personal", "getMnemonic")
nodeKey: bytes = decodeAddress(rpc.call("personal", "getAddress"))
send: Send = Send([(bytes.fromhex(sends[-1]), 0)],
[(nodeKey, claims[0].amount // 2),
(nodeKey, claims[0].amount // 2)])
send.sign(Ristretto.SigningKey(b'\0' * 32))
send.beat(SpamFilter(3))
if rpc.meros.liveTransaction(send) != rpc.meros.live.recv():
raise TestError("Meros didn't send back a Send.")
verify(rpc, send.hash)
sends = [send.hash.hex().upper()]
#Send to self.
#Tests send's capability to handle multiple UTXOs per key/lack of aggregation when all keys are the same/multiple output Sends.
nextAddr = rpc.call("personal", "getAddress")
changeKey: bytes = getChangePublicKey(mnemonic, "test", 0)
sends.append(
rpc.call(
"personal", "send", {
"outputs": [{
"address": nextAddr,
"amount": str(claims[0].amount - 1)
}],
"password":
"******"
}))
checkSend(
rpc, sends[-1], {
"inputs": [{
"hash": sends[-2],
"nonce": 0
}, {
"hash": sends[-2],
"nonce": 1
}],
"outputs": [{
"key": decodeAddress(nextAddr).hex().upper(),
"amount": str(claims[0].amount - 1)
}, {
"key": changeKey.hex().upper(),
"amount": "1"
}]
})
verify(rpc, bytes.fromhex(sends[-1]))
#Externally send to the second/change address.
#Enables entering multiple instances of each key into MuSig, which is significant as we originally only used the unique keys.
sends.append(
createSend(rpc, claims[1], decodeAddress(nextAddr)).hex().upper())
sends.append(createSend(rpc, claims[2], changeKey).hex().upper())
#Check personal_getUTXOs.
utxos: List[Dict[str, Any]] = [{
"hash": sends[-3],
"nonce": 0,
"address": nextAddr
}, {
"hash":
sends[-3],
"nonce":
1,
"address":
bech32_encode("mr", convertbits(bytes([0]) + changeKey, 8, 5))
}, {
"hash": sends[-2],
"nonce": 0,
"address": nextAddr
}, {
"hash":
sends[-1],
"nonce":
0,
"address":
bech32_encode("mr", convertbits(bytes([0]) + changeKey, 8, 5))
}]
if sortUTXOs(rpc.call("personal", "getUTXOs")) != sortUTXOs(utxos):
raise TestError("personal_getUTXOs was incorrect.")
for utxo in utxos:
del utxo["address"]
#Send to any address with all funds minus one.
#Test MuSig signing, multiple inputs per key on account chains, change output creation to the next change key...
sends.append(
rpc.call(
"personal", "send", {
"outputs": [{
"address":
nextAddr,
"amount":
str(claims[0].amount + claims[1].amount +
claims[2].amount - 1)
}],
"password":
"******"
}))
checkSend(
rpc, sends[-1], {
"inputs":
utxos,
"outputs": [{
"key":
decodeAddress(nextAddr).hex().upper(),
"amount":
str(claims[0].amount + claims[1].amount +
claims[2].amount - 1)
}, {
"key":
getChangePublicKey(mnemonic, "test", 1).hex().upper(),
"amount":
"1"
}]
})
verify(rpc, bytes.fromhex(sends[-1]))
#Mine a Block so we can reboot the node without losing data.
blsPrivKey: PrivateKey = PrivateKey(
bytes.fromhex(rpc.call("personal", "getMeritHolderKey")))
for _ in range(6):
template: Dict[str, Any] = rpc.call(
"merit", "getBlockTemplate",
{"miner": blsPrivKey.toPublicKey().serialize().hex()})
proof: int = -1
tempHash: bytes = bytes()
tempSignature: bytes = bytes()
while ((proof == -1) or (
(int.from_bytes(tempHash, "little") * template["difficulty"]) >
int.from_bytes(bytes.fromhex("FF" * 32), "little"))):
proof += 1
tempHash = RandomX(
bytes.fromhex(template["header"]) +
proof.to_bytes(4, "little"))
tempSignature = blsPrivKey.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()
})
#Reboot the node and verify it still tracks the same change address.
#Also reload the Wallet and verify it still tracks the same change address.
#Really should be part of address discovery; we just have the opportunity right here.
#Due to the timing of how the codebase was developed, and a personal frustration for how long this has taken...
rpc.quit()
sleep(3)
rpc.meros = Meros(rpc.meros.db, rpc.meros.tcp, rpc.meros.rpc)
if rpc.call("personal", "getTransactionTemplate",
{"outputs": [{
"address": nextAddr,
"amount": "1"
}]})["outputs"][1]["key"] != getChangePublicKey(
mnemonic, "test", 2).hex().upper():
raise TestError(
"Rebooting the node caused the WalletDB to stop tracking the next change address."
)
rpc.call("personal", "setAccount", rpc.call("personal", "getAccount"))
if rpc.call("personal", "getTransactionTemplate",
{"outputs": [{
"address": nextAddr,
"amount": "1"
}]})["outputs"][1]["key"] != getChangePublicKey(
mnemonic, "test", 2).hex().upper():
raise TestError(
"Reloading the Wallet caused the WalletDB to stop tracking the next change address."
)
raise SuccessError()
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."
)
def restOfTest() -> None:
#Move expected into scope.
expected: str = getAddress(mnemonic, password, 0)
#Send to the new address, then call getAddress again. Verify a new address appears.
last: Send = createSend(
rpc,
Claim.fromTransaction(iter(transactions.txs.values()).__next__()),
expected)
hashes: List[bytes] = [last.hash]
expected = getAddress(mnemonic, password, 1)
if rpc.call("personal", "getAddress") != expected:
raise TestError(
"Meros didn't move to the next address once the existing one was used."
)
#Send to the new unused address, spending the funds before calling getAddress again.
#Checks address usage isn't defined as having an UTXO, yet rather any TXO.
#Also confirm the spending TX with full finalization before checking.
#Ensures the TXO isn't unspent by any definition.
last = createSend(rpc, last, expected)
hashes.append(last.hash)
#Spending TX.
send: Send = Send([(hashes[-1], 0)], [(bytes(32), 1)])
send.signature = ed.sign(b"MEROS" + send.hash,
getPrivateKey(mnemonic, password, 1))
send.beat(SpamFilter(3))
if rpc.meros.liveTransaction(send) != rpc.meros.live.recv():
raise TestError("Meros didn't broadcast back the spending Send.")
hashes.append(send.hash)
#In order to finalize, we need to mine 6 Blocks once this Transaction and its parent have Verifications.
for txHash in hashes:
sv: SignedVerification = SignedVerification(txHash)
sv.sign(0, PrivateKey(0))
if rpc.meros.signedElement(sv) != rpc.meros.live.recv():
raise TestError("Meros didn't broadcast back a Verification.")
#Close the sockets while we mine.
rpc.meros.live.connection.close()
rpc.meros.sync.connection.close()
#Mine these to the Wallet on the node so we can test getMeritHolderNick.
privKey: PrivateKey = PrivateKey(
bytes.fromhex(rpc.call("personal", "getMeritHolderKey")))
blockchain: Blockchain = Blockchain.fromJSON(vectors["blockchain"])
for _ in range(6):
template: Dict[str, Any] = rpc.call(
"merit", "getBlockTemplate",
{"miner": privKey.toPublicKey().serialize().hex()})
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 = privKey.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()
})
blockchain.add(
Block.fromJSON(
rpc.call("merit", "getBlock",
{"block": len(blockchain.blocks)})))
#Verify a new address is returned.
expected = getAddress(mnemonic, password, 2)
if rpc.call("personal", "getAddress") != expected:
raise TestError(
"Meros didn't move to the next address once the existing one was used."
)
#Get a new address after sending to the address after it.
#Use both, and then call getAddress.
#getAddress should detect X is used, move to Y, detect Y is used, and move to Z.
#It shouldn't assume the next address after an used address is unused.
#Actually has two Ys as one iteration of the code only ran for the next address; not all future addresses.
#Send to the next next addresses.
for i in range(2):
addy: str = getAddress(mnemonic, password, 3 + i)
#Reopen the sockets. This isn't done outside of the loop due to the time deriving the final address can take.
#Due to how slow the reference Python code is, it is necessary to redo the socket connections.
sleep(65)
rpc.meros.liveConnect(Blockchain().blocks[0].header.hash)
rpc.meros.syncConnect(Blockchain().blocks[0].header.hash)
last = createSend(rpc, last, addy)
if MessageType(rpc.meros.live.recv()
[0]) != MessageType.SignedVerification:
raise TestError(
"Meros didn't create and broadcast a SignedVerification for this Send."
)
if i == 0:
#Close them again.
rpc.meros.live.connection.close()
rpc.meros.sync.connection.close()
#Verify getAddress returns the existing next address.
if rpc.call("personal", "getAddress") != expected:
raise TestError(
"Sending to the address after this address caused Meros to consider this address used."
)
#Send to the next address.
last = createSend(rpc, last, expected)
if MessageType(
rpc.meros.live.recv()[0]) != MessageType.SignedVerification:
raise TestError(
"Meros didn't create and broadcast a SignedVerification for this Send."
)
#Verify getAddress returns the address after the next next addresses.
expected = getAddress(mnemonic, password, 5)
if rpc.call("personal", "getAddress") != expected:
raise TestError(
"Meros didn't return the correct next address after using multiple addresses in a row."
)
#Now that we have mined a Block as part of this test, ensure the Merit Holder nick is set.
if rpc.call("personal", "getMeritHolderNick") != 1:
raise TestError(
"Merit Holder nick wasn't made available despite having one.")
#Sanity check off Mnemonic.
if rpc.call("personal", "getMnemonic") != mnemonic:
raise TestError("getMnemonic didn't return the correct Mnemonic.")
#Existing values used to test getMnemonic/getMeritHolderKey/getMeritHolderNick/getAccount/getAddress consistency.
existing: Dict[str, Any] = {
#Should be equal to the mnemonic variable, which is verified in a check above.
"getMnemonic": rpc.call("personal", "getMnemonic"),
"getMeritHolderKey": rpc.call("personal", "getMeritHolderKey"),
"getMeritHolderNick": rpc.call("personal", "getMeritHolderNick"),
"getAccount": rpc.call("personal", "getAccount"),
#Should be equal to expected, which is also verified in a check above.
"getAddress": rpc.call("personal", "getAddress")
}
#Set a new seed and verify the Merit Holder nick is cleared.
rpc.call("personal", "setWallet")
try:
rpc.call("personal", "getMeritHolderNick")
raise TestError("")
except TestError as e:
if str(
e
) != "-2 Wallet doesn't have a Merit Holder nickname assigned.":
raise TestError(
"getMeritHolderNick returned something or an unexpected error when a new Mnemonic was set."
)
#Set back the old seed and verify consistency.
rpc.call("personal", "setWallet", {
"mnemonic": mnemonic,
"password": password
})
for method in existing:
if rpc.call("personal", method) != existing[method]:
raise TestError(
"Setting an old seed caused the WalletDB to improperly reload."
)
#Verify calling getAddress returns the expected address.
if rpc.call("personal", "getAddress") != expected:
raise TestError(
"Meros returned an address that wasn't next after reloading the seed."
)
#Reboot the node and verify consistency.
rpc.quit()
sleep(3)
rpc.meros = Meros(rpc.meros.db, rpc.meros.tcp, rpc.meros.rpc)
for method in existing:
if rpc.call("personal", method) != existing[method]:
raise TestError(
"Rebooting the node caused the WalletDB to improperly reload."
)
#Used so Liver doesn't run its own post-test checks.
#Since we added our own Blocks, those will fail.
raise SuccessError()
def rehash(self) -> None:
self.hash = RandomX(RandomX(self.serializeHash()) + self.signature)
from e2e.Libs.BLS import PrivateKey
from e2e.Libs.RandomX import RandomX
from e2e.Classes.Merit.Blockchain import BlockHeader, Blockchain
privKey: PrivateKey = PrivateKey(0)
blockchain: Blockchain = Blockchain()
header: BlockHeader = BlockHeader(0, blockchain.last(), bytes(32), 0, bytes(4),
bytes(32),
privKey.toPublicKey().serialize(), 1200)
difficulty: int = blockchain.difficulties[-1]
raisedDifficulty: int = difficulty * 11 // 10
header.proof = -1
while ((header.proof == -1) or
#Standard difficulty check. Can't overflow against the difficulty.
((int.from_bytes(header.hash, "little") * difficulty) > int.from_bytes(
bytes.fromhex("FF" * 32), "little")) or
#That said, it also can't beat the raised difficulty it should.
((int.from_bytes(header.hash, "little") * raisedDifficulty) <=
int.from_bytes(bytes.fromhex("FF" * 32), "little"))):
header.proof += 1
header.hash = RandomX(header.serializeHash())
header.signature = privKey.sign(header.hash).serialize()
header.hash = RandomX(header.hash + header.signature)
with open("e2e/Vectors/Merit/TwoHundredSeventyThree.json", "w") as vectors:
vectors.write(json.dumps(header.toJSON()))