PRT持币生息系统开发
PRT持币生息系统,【181公链2591合约開发3365微电】自从、Google、亚马逊等平台出现在这个窗口里以后，互联网迎来了个鼎盛时期：Web2.0，也就是我们这一代80、90后体会深刻的一个时代。这个阶段互联网开始有了「人」的属性，也逐渐改变了人类的生活方式。从这个时候开始，人类可以通过这个窗口向对面案例I8I流程**259I開发技术3365过程投喂信息了，而不是像以前一样只能被动地接收。
//can only be called by creator
function mint(address receiver,uint amount)public{
require(msg.sender==minter);
balances[receiver]+=amount;
}
//
function send(address receiver,uint amount)public{
require(balances[msg.sender]>=amount);
balances[msg.sender]-=amount;
balances[receiver]+=amount;
emit Sent(msg.sender,receiver,amount);
}
}
}
function changeName(OwnedToken tokenAddress,bytes32 name)public{
//同样，`tokenAddress`的外部类型也是`address`。
tokenAddress.changeName(name);
}
function isTokenTransferOK(address currentOwner,address newOwner)
public
view
returns(bool ok)
{
//检查一些任意的情况。
address tokenAddress=msg.sender;
return(keccak256(newOwner)&0xff)==(bytes20(tokenAddress)&0xff);
}
}
//can only be called by creator
function mint(address receiver,uint amount)public{
require(msg.sender==minter);
balances[receiver]+=amount;
}
//
function send(address receiver,uint amount)public{
require(balances[msg.sender]>=amount);
balances[msg.sender]-=amount;
balances[receiver]+=amount;
emit Sent(msg.sender,receiver,amount);
}
}
}
function changeName(OwnedToken tokenAddress,bytes32 name)public{
//同样，`tokenAddress`的外部类型也是`address`。
tokenAddress.changeName(name);
}
function isTokenTransferOK(address currentOwner,address newOwner)
public
view
returns(bool ok)
{
//检查一些任意的情况。
address tokenAddress=msg.sender;
return(keccak256(newOwner)&0xff)==(bytes20(tokenAddress)&0xff);
}
}
