Exemplo n.º 1
0
    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
Exemplo n.º 2
0
    def test_from_txdict(self):
        tx = CoinBase.create(self.mock_blockheader, self.alice)
        self.assertIsInstance(tx, CoinBase)

        # Test that common Transaction components were copied over.
        self.assertEqual(0, tx.nonce)
        self.assertEqual(
            b'Q223bc5e5b78edfd778b1bf72702061cc053010711ffeefb9d969318be5d7b86b021b73c2',
            tx.txfrom)
        self.assertEqual(
            '3c523f9cc26f800863c003524392806ff6df373acb4d47cc607b62365fe4ab77'
            'cf3018d321df7dcb653c9f7968673e43d12cc26e3461b5f425fd5d977400fea5',
            bin2hstr(tx.PK))
        self.assertEqual(11, tx.ots_key)
        self.assertEqual(b'', tx.signature)
        self.assertEqual(
            '1a1274bedfc53287853c3aea5b8a93d64f2e4dff23ddbf96e52c8033f0107154',
            bin2hstr(tx.pubhash))

        self.assertEqual(
            'a62a1ef7faedf82aa1f562ff08a8b3cc7b3c4d4f45ef6c7653bf074df2cda122',
            bin2hstr(tx.txhash))

        # Test that specific content was copied over.
        self.assertEqual(
            b'Q223bc5e5b78edfd778b1bf72702061cc053010711ffeefb9d969318be5d7b86b021b73c2',
            tx.txto)
        self.assertEqual(tx.amount, 90)
Exemplo n.º 3
0
    def create(staking_address: bytes, block_number: int, reveal_hash: bytes,
               prevblock_headerhash: bytes, transactions: list,
               duplicate_transactions: OrderedDict, vote: VoteMetadata,
               signing_xmss: XMSS, nonce: int):

        block = Block()
        block._data.transactions.extend([qrl_pb2.Transaction()
                                         ])  # FIXME: Empty for coinbase?

        # Process transactions
        hashedtransactions = []
        fee_reward = 0

        for tx in transactions:
            if tx.subtype == qrl_pb2.Transaction.TRANSFER:
                fee_reward += tx.fee
            hashedtransactions.append(tx.txhash)
            block._data.transactions.extend(
                [tx.pbdata])  # copy memory rather than sym link

        if not hashedtransactions:
            hashedtransactions = [sha256(b'')]

        txs_hash = merkle_tx_hash(
            hashedtransactions)  # FIXME: Find a better name, type changes

        for tx in duplicate_transactions.values(
        ):  # TODO: Add merkle hash for dup txn
            block._data.duplicate_transactions.extend([tx.pbdata])

        for staker in vote.stake_validator_vote:  # TODO: Add merkle hash for vote
            block._data.vote.extend([vote.stake_validator_vote[staker].pbdata])

        tmp_blockheader = BlockHeader.create(
            staking_address=staking_address,
            blocknumber=block_number,
            reveal_hash=reveal_hash,
            prev_blockheaderhash=prevblock_headerhash,
            hashedtransactions=txs_hash,
            fee_reward=fee_reward)

        block._data.header.MergeFrom(tmp_blockheader.pbdata)

        # Prepare coinbase tx
        coinbase_tx = CoinBase.create(tmp_blockheader, signing_xmss)
        coinbase_tx.pbdata.nonce = nonce
        coinbase_tx.sign(signing_xmss)  # Sign after nonce has been set

        # Replace first tx
        block._data.transactions[0].CopyFrom(coinbase_tx.pbdata)

        return block
Exemplo n.º 4
0
    def test_from_txdict(self):
        amount = self.mock_blockheader.block_reward + self.mock_blockheader.fee_reward
        tx = CoinBase.create(amount, self.alice.address,
                             self.mock_blockheader.block_number)
        self.assertIsInstance(tx, CoinBase)

        # Test that common Transaction components were copied over.
        self.assertEqual(self.mock_blockheader.block_number + 1, tx.nonce)
        self.assertEqual(
            '010300a1da274e68c88b0ccf448e0b1916fa789b01eb2ed4e9ad565ce264c9390782a9c61ac02f',
            bin2hstr(tx.addr_to))

        self.assertEqual(
            'c7f3e1e092e70f49a943a162de8b110899b60ab1dafd0c72625fba6fc1adcd01',
            bin2hstr(tx.txhash))
        self.assertEqual(tx.amount, 90)
Exemplo n.º 5
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    def create(block_number: int, prev_block_headerhash: bytes,
               prev_block_timestamp: int, transactions: list,
               miner_address: bytes):

        block = Block()

        # Process transactions
        hashedtransactions = []
        fee_reward = 0

        for tx in transactions:
            fee_reward += tx.fee

        # Prepare coinbase tx
        total_reward_amount = BlockHeader.block_reward_calc(
            block_number) + fee_reward
        coinbase_tx = CoinBase.create(total_reward_amount, miner_address,
                                      block_number)
        hashedtransactions.append(coinbase_tx.txhash)
        block._data.transactions.extend([coinbase_tx.pbdata
                                         ])  # copy memory rather than sym link

        for tx in transactions:
            hashedtransactions.append(tx.txhash)
            block._data.transactions.extend(
                [tx.pbdata])  # copy memory rather than sym link

        txs_hash = merkle_tx_hash(
            hashedtransactions)  # FIXME: Find a better name, type changes

        tmp_blockheader = BlockHeader.create(
            blocknumber=block_number,
            prev_block_headerhash=prev_block_headerhash,
            prev_block_timestamp=prev_block_timestamp,
            hashedtransactions=txs_hash,
            fee_reward=fee_reward)

        block.blockheader = tmp_blockheader

        block._data.header.MergeFrom(tmp_blockheader.pbdata)

        block.set_nonces(0, 0)

        return block
Exemplo n.º 6
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    def create(block_number: int, prevblock_headerhash: bytes,
               transactions: list, signing_xmss: XMSS, master_address: bytes,
               nonce: int):

        block = Block()
        block._data.transactions.extend([qrl_pb2.Transaction()
                                         ])  # FIXME: Empty for coinbase?

        # Process transactions
        hashedtransactions = []
        fee_reward = 0

        for tx in transactions:
            fee_reward += tx.fee
            hashedtransactions.append(tx.txhash)
            block._data.transactions.extend(
                [tx.pbdata])  # copy memory rather than sym link

        if not hashedtransactions:
            hashedtransactions = [sha256(b'')]

        txs_hash = merkle_tx_hash(
            hashedtransactions)  # FIXME: Find a better name, type changes

        tmp_blockheader = BlockHeader.create(
            blocknumber=block_number,
            PK=signing_xmss.pk,
            prev_blockheaderhash=prevblock_headerhash,
            hashedtransactions=txs_hash,
            fee_reward=fee_reward)

        block._data.header.MergeFrom(tmp_blockheader.pbdata)

        # Prepare coinbase tx
        coinbase_tx = CoinBase.create(tmp_blockheader, signing_xmss,
                                      master_address)
        coinbase_tx.pbdata.nonce = nonce
        coinbase_tx.sign(signing_xmss)  # Sign after nonce has been set

        # Replace first tx
        block._data.transactions[0].CopyFrom(coinbase_tx.pbdata)

        return block
Exemplo n.º 7
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    def block_params(self, msg_hash: bytes, block):
        if msg_hash not in self.requested_hash:
            return False

        params = self.requested_hash[msg_hash].params
        coinbase_tx = CoinBase.from_pbdata(block.transactions[0])
        if coinbase_tx.txfrom != params.stake_selector:
            return False

        if block.block_number != params.block_number:
            return False

        if block.prev_blockheaderhash != params.prev_headerhash:
            return False

        if block.reveal_hash != params.reveal_hash:
            return False

        return True
Exemplo n.º 8
0
Arquivo: Block.py Projeto: fanff/QRL
    def create(mining_nonce: int,
               block_number: int,
               prevblock_headerhash: bytes,
               transactions: list,
               signing_xmss: XMSS,
               master_address: bytes,
               nonce: int):

        block = Block()
        block._data.transactions.extend([qrl_pb2.Transaction()])  # FIXME: Empty for coinbase?

        # Process transactions
        hashedtransactions = []
        fee_reward = 0

        for tx in transactions:
            fee_reward += tx.fee
            hashedtransactions.append(tx.txhash)
            block._data.transactions.extend([tx.pbdata])  # copy memory rather than sym link

        if not hashedtransactions:
            hashedtransactions = [sha256(b'')]

        txs_hash = merkle_tx_hash(hashedtransactions)           # FIXME: Find a better name, type changes

        tmp_blockheader = BlockHeader.create(blocknumber=block_number,
                                             mining_nonce=mining_nonce,
                                             PK=signing_xmss.pk(),
                                             prev_blockheaderhash=prevblock_headerhash,
                                             hashedtransactions=txs_hash,
                                             fee_reward=fee_reward)

        block._data.header.MergeFrom(tmp_blockheader.pbdata)

        # Prepare coinbase tx
        coinbase_tx = CoinBase.create(tmp_blockheader, signing_xmss, master_address)
        coinbase_tx.pbdata.nonce = nonce
        coinbase_tx.sign(signing_xmss)  # Sign after nonce has been set

        # Replace first tx
        block._data.transactions[0].CopyFrom(coinbase_tx.pbdata)

        return block
Exemplo n.º 9
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    def test_from_txdict(self):
        tx = CoinBase.create(self.mock_blockheader, self.alice,
                             self.alice.address)
        tx.sign(self.alice)
        self.assertIsInstance(tx, CoinBase)

        # Test that common Transaction components were copied over.
        self.assertEqual(0, tx.nonce)
        self.assertEqual(
            '010300a1da274e68c88b0ccf448e0b1916fa789b01eb2ed4e9ad565ce264c9390782a9c61ac02f',
            bin2hstr(tx.addr_to))
        self.assertEqual(
            '01030038ea6375069f8272cc1a6601b3c76c21519455603d370036b97c779ada356'
            '5854e3983bd564298c49ae2e7fa6e28d4b954d8cd59398f1225b08d6144854aee0e',
            bin2hstr(tx.PK))
        self.assertEqual(11, tx.ots_key)

        self.assertEqual(test_signature_CoinBase, bin2hstr(tx.signature))

        self.assertEqual(
            '92f50f236b2061e12e2bd05616d4334d3956cb1af5287f4bc0afc06280b695f5',
            bin2hstr(tx.txhash))
        self.assertEqual(tx.amount, 90)
Exemplo n.º 10
0
 def test_to_json(self):
     amount = self.mock_blockheader.block_reward + self.mock_blockheader.fee_reward
     tx = CoinBase.create(amount, self.alice.address,
                          self.mock_blockheader.block_number)
     txjson = tx.to_json()
     self.assertEqual(json.loads(test_json_CoinBase), json.loads(txjson))
Exemplo n.º 11
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 def test_create(self):
     amount = self.mock_blockheader.block_reward + self.mock_blockheader.fee_reward
     tx = CoinBase.create(amount, self.alice.address,
                          self.mock_blockheader.block_number)
     self.assertIsInstance(tx, CoinBase)
Exemplo n.º 12
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    def _search_address(self, address):

        addr = {'transactions': []}

        txnhash_added = set()

        # FIXME: breaking encapsulation and accessing DB/cache directly from API
        if not self.factory.state.state_address_used(address):
            addr['status'] = 'error'
            addr['error'] = 'Address not found'
            addr['parameter'] = address
            return json_print_telnet(addr)

        # FIXME: This is a duplicate of balance
        # FIXME: breaking encapsulation and accessing DB/cache directly from API
        nonce, balance, pubhash_list = self.factory.state.state_get_address(
            address)
        addr['state'] = {}
        addr['state']['address'] = address
        addr['state']['balance'] = self._format_qrlamount(balance)
        addr['state']['nonce'] = nonce

        for s in self.factory.state.stake_list_get():
            if address == s[0]:
                addr['stake'] = {}
                addr['stake']['selector'] = s[2]
                # pubhashes used could be put here..

        tmp_transactions = []
        for tx in self.factory.chain.transaction_pool:
            if tx.subtype not in (TX_SUBTYPE_TX, TX_SUBTYPE_COINBASE):
                continue
            if tx.txto == address or tx.txfrom == address:
                logger.info('%s found in transaction pool', address)

                tmp_txn = {
                    'subtype': tx.subtype,
                    'txhash': bin2hstr(tx.txhash),
                    'block': 'unconfirmed',
                    'amount': self._format_qrlamount(tx.amount),
                    'nonce': tx.nonce,
                    'ots_key': tx.ots_key,
                    'txto': tx.txto,
                    'txfrom': tx.txfrom,
                    'timestamp': 'unconfirmed'
                }

                if tx.subtype == TX_SUBTYPE_TX:
                    tmp_txn['fee'] = self._format_qrlamount(tx.fee)

                tmp_txn.subtype = Transaction.tx_id_to_name(tx.subtype)

                tmp_transactions.append(tmp_txn)
                txnhash_added.add(tx.txhash)

        addr['transactions'] = tmp_transactions

        my_txn = []
        try:
            my_txn = self.factory.state.db.get('txn_' + address)
        except:
            pass

        for txn_hash in my_txn:
            txn_metadata = self.factory.state.db.get(txn_hash)
            dict_txn_metadata = json.loads(txn_metadata[0])
            if dict_txn_metadata['subtype'] == TX_SUBTYPE_TX:
                tx = SimpleTransaction().json_to_transaction(txn_metadata[0])
            elif dict_txn_metadata['subtype'] == TX_SUBTYPE_COINBASE:
                tx = CoinBase().json_to_transaction(txn_metadata[0])

            if (tx.txto == address or tx.txfrom
                    == address) and tx.txhash not in txnhash_added:
                logger.info('%s found in block %s', address,
                            str(txn_metadata[1]))

                tmp_txn = {
                    'subtype': tx.subtype,
                    'txhash': bin2hstr(tx.txhash),
                    'block': txn_metadata[1],
                    'timestamp': txn_metadata[2],
                    'amount': self._format_qrlamount(tx.amount),
                    'nonce': tx.nonce,
                    'ots_key': tx.ots_key,
                    'txto': tx.txto,
                    'txfrom': tx.txfrom
                }

                if tx.subtype == TX_SUBTYPE_TX:
                    tmp_txn['fee'] = self._format_qrlamount(tx.fee)

                tmp_txn['subtype'] = Transaction.tx_id_to_name(
                    tmp_txn['subtype'])

                addr['transactions'].append(tmp_txn)
                txnhash_added.add(tx.txhash)

        if len(addr['transactions']) > 0:
            addr['state']['transactions'] = len(addr['transactions'])

        if addr == {'transactions': {}}:
            addr = {
                'status': 'error',
                'error': 'address not found',
                'method': 'address',
                'parameter': address
            }
        else:
            addr['status'] = 'ok'

        return json_print_telnet(addr)
Exemplo n.º 13
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 def test_to_json(self):
     tx = CoinBase.create(self.mock_blockheader, self.alice,
                          self.alice.address)
     txjson = tx.to_json()
     self.assertEqual(json.loads(test_json_CoinBase), json.loads(txjson))
Exemplo n.º 14
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 def test_create(self):
     tx = CoinBase.create(self.mock_blockheader, self.alice,
                          self.alice.address)
     self.assertIsInstance(tx, CoinBase)