译者：玩币族Sally 随着Joule Allowances的引入，比特币网络距离实现自动小额支付和流量化货币的潜力又近了一步。 Joule Allowances允许BTC实现自动小额支付 自诞生以来，比特币一直在努力实现其承诺，即成为大交易量、低价值、即时支付的推动者。然而，这很难在链上实现...
知识:闪电网络,比特币微支付
...=> uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); // This generates a public event on the blockchain that will notify clients event Approval(address indexed _owner, address...
知识:合约,钱包,导入私钥,币就
...ender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value);}contract StandardToken is Token {...
知识:钱包,匿名钱包,以太坊,波场
...：比特币里面的基本计算单位，相当于1亿聪。 6. bitcoin-uri: A URI which allows receivers to encode payment details so spenders don’t have to manually enter addresses and other details bitcoin-uri: 一个包含接收者付款信息，以便发送者不必手工输入地址或者其它信息的URI 7. block: A block of transactions protected by pr...
知识:比特币开发
...ding="UTF-8"?><CORSConfigurationxmlns="http://s3.amazonaws.com/doc/2006-03-01/"><CORSRule><AllowedOrigin>*</AllowedOrigin><AllowedMethod>GET</AllowedMethod><AllowedMethod>HEAD</AllowedMethod><MaxAgeSeconds>31536000</MaxAgeSeconds><ExposeHeader>Content-Length</ExposeHeader><ExposeHeader>Content-Type</ExposeHeader>? ? <AllowedHeader>Range</AllowedHeade...
知识:去中心化,您的,用户,数据
...\"?><CORSConfigurationxmlns="http://s3.amazonaws.com/doc/2006-03-01/\"><CORSRule><AllowedOrigin>*</AllowedOrigin><AllowedMethod>GET</AllowedMethod><AllowedMethod>HEAD</AllowedMethod><MaxAgeSeconds>31536000</MaxAgeSeconds><ExposeHeader>Content-Length</ExposeHeader><ExposeHeader>Content-Type</ExposeHeader> <Al...
知识:去中心化,您的,用户,星际
...nd the large active global community are a rare resource in the crypto space.An Apps Platform will allow third-party developers to build applications that facilitate structured transactions using PI. The Apps Platform can include both apps that are built within Pi Network called?Pi Apps?as well as external applications that are able to integrate Pi into their payment options, called?Pi Paymen...
知识:货币,应用程序,平台,先驱者
...and the large active global community are a rare resource in the crypto space.An Apps Platform will allow third-party developers to build applications that facilitate structured transactions using PI. The Apps Platform can include both apps that are built within Pi Network called Pi Apps as well as external applications that are able to integrate Pi into their payment options, called Pi Payments.P...
知识:货币,应用程序,平台,先锋
...perience which provides various forms of investment transactions such as web pages and mobile apps, allowing you to monitor the global foreign exchange market in real time at all times. It’s innovative software allowing investors to monitor the increase or decrease of own funds consistently to make efficient buying and selling investment decisions, so that one can outperform the complex financia...
知识:tools,providing,innovative,exc
...and the large active global community are a rare resource in the crypto space.An Apps Platform will allow third-party developers to build applications that facilitate structured transactions using PI. The Apps Platform can include both apps that are built within Pi Network called Pi Apps as well as external applications that are able to integrate Pi into their payment options, called Pi Payments.P...
知识:货币,手机挖矿,应用程序,数字加密货币
...unction approve( address _spender, uint256 _value ) public returns (bool) { allowed[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } // ERC721 function approve(address _to, uint256 _tokenId) public { address owner = ownerOf(_tokenId); require(_to != owner); require(msg.sender == owner || isApprovedForAll(owner...
知识:合约,以太坊,钱包
...; ????uint8?constant?decimals?=?18; ????uint?total; ????bool?locked; ????address?_owner; ????struct?Allowed?{ ????????mapping?(address?=>?uint256)?_allowed; ????} ????mapping?(address?=>?Allowed)?allowed; ????mapping?(address?=>?uint256)?balances; ????event?Transfer(address?indexed?_from,?address?indexed?_to,?uint256?_value); ????event?Approval(address?indexed?_owner,?address?indexed?_spender,?uin...
知识:合约,以太币,智能合约,代币
...egrate AT within Qora. This development will continue on a private repository for now. To allow people who have an interest in Qora to discuss things in a civilized manner I will close this thread and make a new one that will allow us to deal with these attacks. Please continue discussions here: https://bitcointalk.org/index.php topic=881220
知识:简约币Qora
...) public override returns (bool success) {if(!mapAddress_Excluded[msg.sender]){require(value <= _allowances[from][msg.sender], 'Must not send more than allowance');_allowances[from][msg.sender] -= value;}_transfer(from, to, value);return true;}可以看到在?transferFrom?函数中，先对?mapAddress_Excluded[msg.sender]?进行了?if?判断，具体逻辑是mapAddress_Excluded[msg.sender]为?f...
知识:合约,合约地址,攻击者,函数
...) public override returns (bool success) {if(!mapAddress_Excluded[msg.sender]){require(value <= _allowances[from][msg.sender], 'Must not send more than allowance');_allowances[from][msg.sender] -= value;}_transfer(from, to, value);return true;}可以看到在transferFrom函数中，先对mapAddress_Excluded[msg.sender]进行了 if 判断，具体逻辑是mapAddress_Excluded[msg.sender]为 false...
知识:手续费