def __init__(self, blockchain, prev_hash, miner_address):
'''
Class for the current work block.
Functions such as "output_used" search both this AND the passed blockchain object.
'''
self.BLOCKCHAIN = blockchain.blockchain
self.hash = ""
self.block = {} #TODO get from IRC
self.block['nonce'] = ""
self.block['prev'] = prev_hash
self.block['start_time'] = str(int(time()))
self.block['solve_time'] = ""
self.block['transactions'] = {
"0000": { # Temp value
"time":
str(int(time())),
'ins': [],
'outs': [{
"address": miner_address,
"amount": util.padint(REWARD_AMOUNT)
}]
}
}
# Set reward transaction hash
self.block['transactions'][util.gen_tx_hash(
self.block['transactions']
["0000"])] = self.block['transactions']["0000"]
del self.block['transactions']["0000"]
def output_used(self, block, hash, i):
for tHash, transaction in block['transactions'].items():
for input in transaction['ins']:
if input['tx'] == hash and input['tx_i'] == i and (
util.gen_tx_hash(transaction) != tHash):
return (tHash, i)
return False
def add_tx(self, tx):
hash = util.gen_tx_hash(tx)
if self.get_tx_h(hash):
raise TransactionExistsException("TransactionExistsException")
self.tx_inputs_usable(tx)
self.tx_inputs_signed(tx)
change = self.tx_amounts_valid(tx)
assert change != -1 # not a coinbase transaction
for address, amount in change.items():
tx['outs'].append({"address": address, "amount": amount})
print("DEBUG")
print(tx)
def add_tx(self,tx):
hash = util.gen_tx_hash(tx)
if self.get_tx_h(hash):
raise TransactionExistsException("TransactionExistsException")
self.tx_inputs_usable(tx)
self.tx_inputs_signed(tx)
change = self.tx_amounts_valid(tx)
assert change != -1 # not a coinbase transaction
for address,amount in change.items():
tx['outs'].append({
"address":address,
"amount":amount
})
print("DEBUG")
print(tx)
def __init__(self,blockchain,prev_hash,miner_address):
'''
Class for the current work block.
Functions such as "output_used" search both this AND the passed blockchain object.
'''
self.BLOCKCHAIN = blockchain.blockchain
self.hash = ""
self.block = {} #TODO get from IRC
self.block['nonce'] = ""
self.block['prev'] = prev_hash
self.block['start_time'] = str(int(time()))
self.block['solve_time'] = ""
self.block['transactions'] = {"0000":{ # Temp value
"time":str(int(time())),
'ins':[],
'outs':[{
"address":miner_address,
"amount":util.padint(REWARD_AMOUNT)
}]
}
}
# Set reward transaction hash
self.block['transactions'][util.gen_tx_hash(self.block['transactions']["0000"])] = self.block['transactions']["0000"]
del self.block['transactions']["0000"]
def output_used(self,block,hash,i):
for tHash,transaction in block['transactions'].items():
for input in transaction['ins']:
if input['tx'] == hash and input['tx_i'] == i and (util.gen_tx_hash(transaction) != tHash):
return (tHash,i)
return False
def verify_tx_integrity(self,tHash,transaction):
if util.gen_tx_hash(transaction) != tHash:
raise IntegrityException('False transaction: ' + tHash)
return True
def verify_tx_integrity(self, tHash, transaction):
if util.gen_tx_hash(transaction) != tHash:
raise IntegrityException('False transaction: ' + tHash)
return True
