def createFirstCFTransaction(target_amount,
pubkey_addr,
end_time,
pre_out_ids_for_fee=[],
cert=''):
if len(pre_out_ids_for_fee) == 0:
tx_in = TransactionIn.coinbase_tx_in()
tx_ins = []
tx_ins.append(tx_in)
else:
tx_ins = __get_tx_ins(pre_out_ids_for_fee)
cert = SecretKeyDao.searchCertByPubAddr(pubkey_addr)
cfscript = standard_tx_out_script(pubkey_addr)
cfout = TransactionOut(0, cfscript, 0, 0, end_time)
tx_outs = []
tx_outs.append(cfout)
original_hash = Constants.ZERO_HASH
pre_hash = Constants.ZERO_HASH
lack_amount = target_amount
cf_header = CFHeader(original_hash, target_amount, pubkey_addr, end_time,
pre_hash, lack_amount, cert)
cf = TransactionCF(cf_header, Constants.VERSION, tx_ins, tx_outs,
Constants.LOCK_TIME)
if len(tx_ins) != 0:
cf = signTx(cf, pre_out_ids_for_fee)
cf.check()
if verify(cf):
insert(cf)
return cf
def createNormalCFTransaction(pre_out_ids, pre_cf_hash, spendValue,
otherPublicAddrToValueDict, refund_addr):
tx_ins = __get_tx_ins(pre_out_ids)
pre_cf = TransactionDao.searchByHash(pre_cf_hash)
cf_header = pre_cf.cf_header
cf_header.lack_amount = cf_header.lack_amount - spendValue
cf_header.pre_hash = pre_cf_hash
if cf_header.original_hash == '' or cf_header.original_hash == Constants.ZERO_HASH:
cf_header.original_hash = pre_cf_hash
# cfscript = b''
if cf_header.lack_amount <= 0: #CF suceess
outValue = cf_header.target_amount
cfscript = standard_tx_out_script(cf_header.pubkey)
# elif cf_header.lack_amount == cf_header.target_amount:#CF start
# outValue = 0
# cfscript = ScriptPayToAddress(refund_addr).script()
else: #CF ing
outValue = spendValue
cfscript = standard_tx_out_script(refund_addr)
#outValue = cf_header.target_amount if cf_header.lack_amount == 0 else spendValue
cfout = TransactionOut(outValue, cfscript, 0, 0, cf_header.end_time)
tx_outs = __get_tx_outs(otherPublicAddrToValueDict)
tx_outs.insert(0, cfout)
cf = TransactionCF(cf_header, Constants.VERSION, tx_ins, tx_outs,
Constants.LOCK_TIME, None, 0)
if len(tx_ins) != 0:
cf = signTx(cf, pre_out_ids)
cf.check()
if verify(cf):
insert(cf)
return cf