def spend_verify(tx, txs, out):
if not E_check(tx, 'to', [str, unicode]):
out[0] += 'No address\n'
return False
if not signature_check(tx):
out[0] += 'Signature check\n'
return False
if len(tx['to']) <= 30:
out[0] += 'That address is too short\n'
return False
if not E_check(tx, 'amount', int):
out[0] += 'No amount\n'
return False
if not tools.fee_check(tx, txs):
out[0] += 'Fee check error\n'
return False
if 'vote_id' in tx:
if not tx['to'][:-29] == '11':
out[0] += 'cannot hold votecoins in a multisig address\n'
return False
return True
def spend_verify(tx, txs, out, DB):
txaddr=tools.addr(tx)
h=tx['recent_hash']
l=tools.local_get('length')
r=range(l-10, l)
r=filter(lambda l: l>0, r)
recent_blocks=map(lambda x:tools.db_get(x), r)
recent_hashes=map(lambda x: x['block_hash'], recent_blocks)
if h not in recent_hashes:
tools.log('recent hash error')
return False
recent_txs=[]
def f(b, recent_txs=recent_txs):
recent_txs=recent_txs+b['txs']
map(f, recent_blocks)
recent_txs=filter(lambda t: t['type']=='spend', recent_txs)
recent_txs=filter(lambda t: t['recent_hash']==h, recent_txs)
recent_txs=filter(lambda t: t['to']==tx['to'], recent_txs)
recent_txs=filter(lambda t: t['amount']==tx['amount'], recent_txs)
recent_txs=filter(lambda t: t['fee']==tx['fee'], recent_txs)
recent_txs=filter(lambda t: tools.addr(t)==txaddr, recent_txs)
if len(recent_txs)>0:
out[0]+='no repeated spends'
return False
if not signature_check(tx):
out[0]+='signature check'
return False
if len(tx['to'])<=30:
out[0]+='that address is too short'
out[0]+='tx: ' +str(tx)
return False
if not tools.fee_check(tx, txs, DB):
out[0]+='fee check error'
return False
return True
def spend_verify(tx, txs, out, DB):
if not E_check(tx, 'to', [str, unicode]):
out[0] += 'no to'
return False
if not signature_check(tx):
out[0] += 'signature check'
return False
if len(tx['to']) <= 30:
out[0] += 'that address is too short'
out[0] += 'tx: ' + str(tx)
return False
if not E_check(tx, 'amount', int):
out[0] += 'no amount'
return False
if not tools.fee_check(tx, txs, DB):
out[0] += 'fee check error'
return False
if 'vote_id' in tx:
if not tx['to'][:-29] == '11':
out[0] += 'cannot hold votecoins in a multisig address'
return False
return True
def spend_verify(tx, txs, out, DB):
if not E_check(tx, 'to', [str, unicode]):
out[0]+='no to'
return False
if not signature_check(tx):
out[0]+='signature check'
return False
if len(tx['to'])<=30:
out[0]+='that address is too short'
out[0]+='tx: ' +str(tx)
return False
if not E_check(tx, 'amount', int):
out[0]+='no amount'
return False
if not tools.fee_check(tx, txs, DB):
out[0]+='fee check error'
return False
if 'vote_id' in tx:
if not tx['to'][:-29]=='11':
out[0]+='cannot hold votecoins in a multisig address'
return False
return True
def verify_tx(tx, txs, out):
#do not allow tx which fail to reference one of the 10 most recent blocks. do not allow tx which have an identical copy in the last 10 blocks.
if not type_check(tx, txs):
out[0] += 'type error'
return False
if tx in txs:
out[0] += 'no duplicates'
return False
#if verify_count(tx, txs):
# out[0]+='count error'
# return False
if too_big_block(tx, txs):
out[0] += 'too many txs'
return False
if not tools.fee_check(tx, txs, DB):
out[0] += 'not enough money: ' + str(tx)
return False
if not tools.signature_check(tx):
out[0] += 'bad signature: ' + str(tx)
return False
if not transactions.tx_check[tx['type']](tx, txs, out, DB):
out[0] += 'tx: ' + str(tx)
return False
return True
def mint_verify(tx, txs, out, DB):
length=tools.local_get('length')
height=tools.local_get('height')
custom.block_fee(tx['height']-height)
gap=tx['height']-height
for t in txs:
if t['type']=='mint':
out[0]+='no mint repeats'
if not tools.fee_check(tx, txs, DB):
out[0]+='fee check error'
return False
if tx['on_block']!=length+1:
out[0]+='on wrong block'
return False
if len(filter(lambda x: x['type']=='mint', txs))>0:
out[0]+='too many mints'
return False
amount=tools.mint_cost(txs, gap)
if tx['amount']!=amount:
tools.log('have: ' +str(tx['amount']))
tools.log('need: ' +str(amount))
tools.log('that amount is too big')
return False
return True
def verify_tx(tx, txs, out):
#do not allow tx which fail to reference one of the 10 most recent blocks. do not allow tx which have an identical copy in the last 10 blocks.
if not type_check(tx, txs):
out[0]+='type error'
return False
if tx in txs:
out[0]+='no duplicates'
return False
#if verify_count(tx, txs):
# out[0]+='count error'
# return False
if too_big_block(tx, txs):
out[0]+='too many txs'
return False
if not tools.fee_check(tx, txs, DB):
out[0]+='not enough money: ' +str(tx)
return False
if not tools.signature_check(tx):
out[0]+='bad signature: ' +str(tx)
return False
if not transactions.tx_check[tx['type']](tx, txs, out, DB):
out[0]+= 'tx: ' + str(tx)
return False
return True
