def tx_signed(self, tx, block, check_mempool):
tx.calc_sha256()
for i in xrange(len(tx.vin)):
txin = tx.vin[i]
# search database for dependent TX
txfrom = self.gettx(txin.prevout.hash)
# search block for dependent TX
if txfrom is None and block is not None:
for blktx in block.vtx:
blktx.calc_sha256()
if blktx.sha256 == txin.prevout.hash:
txfrom = blktx
break
# search mempool for dependent TX
if txfrom is None and check_mempool:
try:
txfrom = self.mempool.pool[txin.prevout.hash]
except:
self.log.write("TX %064x/%d no-dep %064x" %
(tx.sha256, i, txin.prevout.hash))
return False
if txfrom is None:
self.log.write("TX %064x/%d no-dep %064x" %
(tx.sha256, i, txin.prevout.hash))
return False
if not VerifySignature(txfrom, tx, i, 0):
self.log.write("TX %064x/%d sigfail" % (tx.sha256, i))
return False
return True
def scan_tx(tx):
if tx:
tx.calc_sha256()
for i in xrange(len(tx.vin)):
txin = tx.vin[i]
txfrom = chaindb.gettx(txin.prevout.hash)
if not VerifySignature(txfrom, tx, i, 0):
log.write("TX %064x/%d failed" % (tx.sha256, i))
log.write("FROMTX %064x" % (txfrom.sha256,))
log.write(txfrom.__repr__())
log.write("TOTX %064x" % (tx.sha256,))
log.write(tx.__repr__())
return False
return True
else:
return False
def scan_tx(chaindb, tx):
tx.calc_sha256()
flag = 1
for i in xrange(len(tx.vin)):
txin = tx.vin[i]
try:
txfrom = chaindb.gettx(txin.prevout.hash)
except:
txfrom = ""
log.write("ERROR: tx %064x" % tx.sha256)
if txfrom:
if not VerifySignature(txfrom, tx, i, 0):
log.write("TX %064x/%d failed" % (tx.sha256, i))
#log.write("FROMTX %064x" % (txfrom.sha256,))
#log.write(txfrom.__repr__())
#log.write("TOTX %064x" % (tx.sha256,))
#log.write(tx.__repr__())
flag = 0
return flag