def __init__(
self,
genesis: bytes,
blockTime: int,
startDifficulty: int
) -> None:
self.blockTime: int = blockTime
self.startDifficulty: int = startDifficulty
self.maxDifficulty: int = (2 ** 384) - 1
self.difficulty: int = startDifficulty
self.difficultyUntil: int = 1
self.blocks: List[Block] = [
Block(
BlockHeader(
0,
genesis.rjust(48, b'\0'),
0
),
BlockBody(
miners = []
)
)
]
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.
block = Block(
BlockHeader(3, blockchain.last(), int(time()),
consensus.getAggregate([(pubKey, 3, -1)])),
BlockBody([(pubKey, 3, consensus.getMerkle(pubKey, 3))]))
#Mine it.
block.mine(blockchain.difficulty)
data.beat(consensus.dataFilter)
data.verified = True
transactions.add(data)
#Verify it.
verif: SignedVerification = SignedVerification(data.hash)
verif.sign(blsPrivKey, 0)
consensus.add(verif)
#Generate another 6 Blocks.
#Next block should have a record.
block: Block = Block(
BlockHeader(
14,
merit.blockchain.last(),
int(time()),
consensus.getAggregate(
[(blsPubKey, 0, -1)]
)
),
BlockBody([
(
blsPubKey,
0,
consensus.getMerkle(
blsPubKey,
0
)
)
])
)
for i in range(15, 21):
from python_tests.Classes.Merit.Block import Block
from python_tests.Classes.Merit.Blockchain import Blockchain
#Time standard function.
from time import time
#JSON standard lib.
import json
#Blockchain.
blockchain: Blockchain = Blockchain(
b"MEROS_DEVELOPER_NETWORK", 60,
int(
"FAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
16))
#Generate blocks.
for i in range(1, 26):
#Create the Block.
block: Block = Block(BlockHeader(i, blockchain.last(), int(time())),
BlockBody())
block.mine(blockchain.difficulty)
#Add it locally.
blockchain.add(block)
print("Generated Blank Block " + str(i) + ".")
vectors: IO[Any] = open("python_tests/Vectors/Merit/BlankBlocks.json", "w")
vectors.write(json.dumps(blockchain.toJSON()))
vectors.close()
transactions.add(sends[-1])
sends.append(
Send([(sends[-1].hash, 0)],
[(edPubKey.to_bytes(), sends[-1].outputs[0][1])]))
#Verify 0 and 1 in order.
order: List[int] = [0, 1]
verif: SignedVerification
for s in order:
verif = SignedVerification(sends[s].hash)
verif.sign(blsPrivKey1, len(consensus.holders[blsPubKey1.serialize()]))
consensus.add(verif)
block: Block = Block(
BlockHeader(21, blockchain.last(), int(time()),
consensus.getAggregate([(blsPubKey1, 2, -1)])),
BlockBody([(blsPubKey1, 3, consensus.getMerkle(blsPubKey1, 2))]))
block.mine(blockchain.difficulty)
blockchain.add(block)
print("Generated Fifty Block " + str(block.header.nonce) + ".")
#Verify 3, and then 2, while giving Merit to a second Merit Holder.
order = [3, 2]
for s in order:
verif = SignedVerification(sends[s].hash)
verif.sign(blsPrivKey1, len(consensus.holders[blsPubKey1.serialize()]))
consensus.add(verif)
block = Block(
BlockHeader(22, blockchain.last(), int(time()),
consensus.getAggregate([(blsPubKey1, 4, -1)])),
def fromJSON(json: Dict[str, Any]) -> Any:
return Block(BlockHeader.fromJSON(json["header"]),
BlockBody.fromJSON(json))
def blockHeader(self, header: BlockHeader) -> bytes:
res: bytes = (MessageType.BlockHeader.toByte() + header.serialize())
self.send(res)
return res