Make_IssueTransaction.py 文件源码

def Make_IssueTransaction(Prikey, Redeem_script, Outputs, Txid):
    Nonce = random.randint(268435456, 4294967295)
    Nonce = hex(Nonce)[2:-1]
    if len(Nonce)%2==1:
        Nonce = '0'+Nonce
    value = 1
    if len(Outputs)> 16777215 or 'L' in Nonce:
        #???,L??????
        assert False
    IssueTransaction = '01'+ big_or_little(Nonce) + hex(len(Outputs))[2:].zfill(6)
    for o in Outputs:
        IssueTransaction = IssueTransaction + big_or_little(Txid) + float_2_hex(o['value']) + big_or_little(o['scripthash'])
    sk = SigningKey.from_string(binascii.unhexlify(Prikey), curve=NIST256p, hashfunc=hashlib.sha256)
    signature = binascii.hexlify(sk.sign(binascii.unhexlify(IssueTransaction),hashfunc=hashlib.sha256))
    return IssueTransaction + '014140' + signature + '23' + Redeem_script