接着上一篇，这里继续整合交易类。
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import datetime
#交易类，后期需要整合公钥，私钥
class Transaction:
#payer 付款方，receiver收款方
def __init__(self,payer,receiver,money):
self.payer = payer
self.receiver = receiver
self.money = money
self.timestamp = datetime.datetime.now() #交易时间
def __repr__(self):
return str(self.payer)+" pay "+str(self.receiver)+" "+str(self.money)+" "+str(self.timestamp)
if __name__=="__main__":
t = Transaction("yicheng","ddd",100)
print(t)
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测试模块：
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if __name__=="__main__":
t1 = Transaction("yicheng", "ddd1", 100)
t2 = Transaction("yicheng", "ddd2", 200)
t3 = Transaction("yicheng", "ddd3", 300)
m1 = DaDaMessage(t1)
m2 = DaDaMessage(t2)
m3 = DaDaMessage(t3)
try:
m1.seal()
m2.link(m1)
m2.seal()
m3.link(m2)
m3.seal()
#m1.hash = "0xaaaajjjjj"
#m1.data = "I don't love "
m1.validate()
m2.validate()
m3.validate()
print(m1)
print(m2)
print(m3)
except InvalidateMessage as e:
print(e)
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查看打印结果：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/baidu_17508977/article/details/80526051