def create(self, chain, reveal_hash, vote_hash, last_block_number=-1):
# FIXME: probably this should turn into a constructor
reveal_hash = reveal_hash
vote_hash = vote_hash
data = None
if last_block_number == -1:
data = chain.block_chain_buffer.get_last_block(
) # m_get_last_block()
else:
data = chain.block_chain_buffer.get_block_n(last_block_number)
last_block_number = data.blockheader.blocknumber
prev_blockheaderhash = data.blockheader.headerhash
hashedtransactions = []
self.transactions = [None]
fee_reward = 0
for tx in chain.transaction_pool:
if tx.subtype == TX_SUBTYPE_TX:
fee_reward += tx.fee
hashedtransactions.append(tx.txhash)
self.transactions.append(tx) # copy memory rather than sym link
self.duplicate_transactions = []
for tx in chain.duplicate_tx_pool:
self.duplicate_transactions.append(chain.duplicate_tx_pool[tx])
if not hashedtransactions:
hashedtransactions = [sha256('')]
hashedtransactions = merkle_tx_hash(hashedtransactions)
self.blockheader = BlockHeader()
self.blockheader.create(chain=chain,
blocknumber=last_block_number + 1,
reveal_hash=reveal_hash,
vote_hash=vote_hash,
prev_blockheaderhash=prev_blockheaderhash,
hashedtransactions=hashedtransactions,
fee_reward=fee_reward)
coinbase_tx = CoinBase().create(
self.blockheader,
chain.block_chain_buffer.get_slave_xmss(last_block_number + 1))
# coinbase_tx = CoinBase().create(self.blockheader.block_reward + self.blockheader.fee_reward,
# self.blockheader.headerhash,
# chain.wallet.address_bundle[0].xmss.get_address(),
# chain.block_chain_buffer.get_slave_xmss(last_block_number + 1))
self.transactions[0] = coinbase_tx
sv_list = chain.block_chain_buffer.get_stake_validators_list(
last_block_number + 1).sv_list
coinbase_tx.nonce = sv_list[chain.mining_address].nonce + 1
def json_to_block(self, json_block):
self.blockheader = BlockHeader()
self.blockheader.json_to_blockheader(json_block['blockheader'])
transactions = json_block['transactions']
self.transactions = []
for tx in transactions:
self.transactions.append(Transaction.get_tx_obj(tx))
if self.blockheader.blocknumber == 0:
self.state = json_block['state']
self.stake_list = json_block['stake_list']
def json_to_block(self, json_block):
self.blockheader = BlockHeader()
self.blockheader.json_to_blockheader(json_block['blockheader'])
transactions = json_block['transactions']
self.transactions = []
for tx in transactions:
self.transactions.append(Transaction.from_txdict(tx))
duplicate_transactions = json_block['duplicate_transactions']
self.duplicate_transactions = []
for tx in duplicate_transactions:
self.duplicate_transactions.append(
DuplicateTransaction().from_txdict(tx))
if self.blockheader.blocknumber == 0:
self.state = json_block['state']
self.stake_list = json_block['stake_list']
def create(self, chain, hashchain_link, reveal_list=None, vote_hashes=None, last_block_number=-1):
# FIXME: probably this should turn into a constructor
if not reveal_list:
reveal_list = []
if not vote_hashes:
vote_hashes = []
data = None
if last_block_number == -1:
data = chain.block_chain_buffer.get_last_block() # m_get_last_block()
else:
data = chain.block_chain_buffer.get_block_n(last_block_number)
last_block_number = data.blockheader.blocknumber
prev_blockheaderhash = data.blockheader.headerhash
hashedtransactions = []
self.transactions = [None]
for tx in chain.transaction_pool:
hashedtransactions.append(tx.txhash)
self.transactions.append(tx) # copy memory rather than sym link
if not hashedtransactions:
hashedtransactions = sha256('')
hashedtransactions = merkle_tx_hash(hashedtransactions)
self.blockheader = BlockHeader()
self.blockheader.create(chain=chain,
blocknumber=last_block_number + 1,
reveal_list=reveal_list,
vote_hashes=vote_hashes,
hashchain_link=hashchain_link,
prev_blockheaderhash=prev_blockheaderhash,
hashedtransactions=hashedtransactions)
coinbase_tx = transaction.CoinBase().create(self.blockheader.block_reward, self.blockheader.headerhash,
chain.my[0][1])
self.transactions[0] = coinbase_tx
coinbase_tx.nonce = chain.block_chain_buffer.get_stxn_state(last_block_number + 1, chain.mining_address)[0] + 1
def test_init(self):
# TODO: Not much going on here..
block_header = BlockHeader()
self.assertIsNotNone(block_header) # just to avoid warnings