pragma solidity ^0.4.0; contract Test{ address _owner; uint160 _c; constructor() public{ _owner = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; _c = 1154414090619811796818182302139415280051214250812; } /* address _owner; uint160 _c; function inter(){ _owner = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; //ca35b7d915458ef540ade6068dfe2f44e8fa733c //40 * 4 = 160 _c = 1154414090619811796818182302139415280051214250812; } 0x 45 :16进制 0b 0 1 0 0 0 1 0 1 :2进制 128+64+32+16 +8+4+2+1 69 :10进制 */ function getUint160() constant returns(uint160){ return uint160(_owner); } function getAddress() constant returns(address){ return address(_c); } } /* to 0xbde95422681e4c3984635af2f2f35f8c44a4ddc9 contract address 0x0fdf4894a3b7c5a101686829063be52ad45bcfb7 from 0xca35b7d915458ef540ade6068dfe2f44e8fa733c */ pragma solidity ^0.4.0; contract modifierTest{ address owner; uint public v3; constructor() public{ uint8 _a = 12 ; uint b = 1; string memory str='eilinge'; owner =msg.sender; } /* function setAddress(address add) public{ owner= add; } function getAddress() constant returns(address){ return owner; } */ modifier onlyowner(address own) { require(own == owner); _; } //msg.sender 部署合约时的地址 //在Account切换成其他地址,不需要重新部署合约,直接运行即可 //modifierTest at 0xcac3f0403895fadae1c5cb2f9cb5fb0fbda62a37(memory) 当前合约对象的地址 function setv3() onlyowner(msg.sender) returns(uint){ return v3 += 10; } function getthisAddress() constant returns(address){ return this; //xCac3f0403895fAdAE1c5Cb2F9cB5fB0FbDa62a37 } function getBalance(address add) constant returns(uint){ return add.balance; //参看钱包地址余额:getBalance("0x4b0897b0513fdc7c541b6d9d7e929c4e5364d2db") 传入参数需要添加("") } } pragma solidity ^0.4.0; contract modifierTest{ address public accounts=0xdd870fa1b7c4700f2bd7f44238821c26f7392148; address owner= msg.sender; function transfertest() payable public returns(bool){ //payable 转账必须加上 //accounts = 0x4b0897b0513fdc7c541b6d9d7e929c4e5364d2db; accounts.transfer(msg.value); //msg.value 全局变量,在value中直接赋值 return accounts.send(msg.value); /* send(): 递归深度不能超过1024 如果gas不够,执行会失败,只会返回false,不能报异常 检查是否转账成功 transfer 相对 send 较安全 */ } function getbalance() constant public returns(uint){ return accounts.balance; } function getownerbalance() constant public returns(uint){ return owner.balance; } }
ethereum(以太坊)(八)--Address
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转载自www.cnblogs.com/eilinge/p/9963273.html
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