def handle_block(self, block):
# verify banks signature
public_key = bank_public_key(self.next_id)
public_key.verify(block.signature, block.blockmessage)
# Verify every transaction
# copy utxo set to validate on the fly
temp_utxo = deepcopy(self.utxo_set)
for tx in block.txns:
self.validate_tx(tx, temp_utxo)
# After each TX update the temporary utxo set
for tx_out in tx.tx_outs:
temp_utxo[tx_out.outpoint] = tx_out
for tx_in in tx.tx_ins:
del temp_utxo[tx_in.outpoint]
# After all tx are valid, update real utxo set
for tx in block.txns:
self.update_utxo_set(tx, True)
# Update (clean) mempool HOMEWORK
logger.info("Mempool before cleanup: " + str(len(self.mempool)))
self.mempool = [
tx for tx in self.mempool
if tx.id not in [btx.id for btx in block.txns]
]
logger.info("Mempool after cleanup: " + str(len(self.mempool)))
# update self.blocks
self.blocks.append(block)
# schedule next block
self.schedule_next_block()
def handle_block(self, block):
public_key = bank_public_key(self.next_id())
public_key.verify(block.signature, block.message())
for tx in block.txns:
self.validate_tx(tx)
for tx in block.txns:
self.update_utxo_set(tx)
self.blocks.append(block)
self.schedule_next_block()
def handle_block(self, block):
# verify bank sig if heigt > 0
if len(self.blocks) > 0:
public_key = bank_public_key(self.next_id)
public_key.verify(block.signature, block.message)
# verify all tx
for tx in block.txns:
self.validate(tx)
# update utxo set
for tx in block.txns:
self.update_utxo_set(tx)
# clean mempool
# TODO
# update self.blocks
self.blocks.append(block)
# schedule next block
self.schedule_next_block()
def handle_block(self, block):
#Verify bank signature if height > 0
if len(self.blocks) > 0:
public_key = bank_public_key(self.next_id)
public_key.verify(block.signature, block.message)
#Verify every transaction
for tx in block.txns:
self.validate_tx(tx)
# Update update self.utxo_set
for tx in block.txns:
self.update_utxo_set(tx)
# Update self.blocks
self.blocks.append(block)
#Schedule next block
self.schedule_next_block()
def handle_block(self, block):
# Genesis block has no signature
if len(self.blocks) > 0:
public_key = bank_public_key(self.next_id)
public_key.verify(block.signature, block.message)
# Check the transactions are valid
for tx in block.txns:
self.validate_tx(tx)
# If they're all good, update self.blocks and self.utxo_set
for tx in block.txns:
self.update_utxo_set(tx)
# Add the block and increment the id of bank who will report next block
self.blocks.append(block)
# Schedule submisison of next block
self.schedule_next_block()
def handle_block(self, block):
# verify bank signature
public_key = bank_public_key(self.next_id)
public_key.verify(block.signature, block.message)
# Verify every transaction
for tx in block.txns:
self.validate_tx(tx)
# Update self.utxo_set
for tx in block.txns:
self.update_utxo_set(tx)
# Clean self.mempool HOMEWORK
# Update self.blocks
self.blocks.append(block)
# Schedule next block
self.schedule_next_block()