找到约 11 条结果

问题 BSC开源出现的问题 : Error! Unable to generate Contract ByteCode and ABI (General Exception, unable to get compiled [bytecode])

这种问题我应该如何解决呀大佬 ![16507647761.png](https://img.learnblockchain.cn/attachments/2022/04/lBZEHBYO6264aca1042f6.png)

文章 Gas优化学习笔记2

... 再新增一个函数 ``` function fn_add(uint value) costGas('fn_and') public view returns(bool){ return lowGas(value) && highGas(value); } ``` fn_and:对两个函数进行and运算 fn_and, 入参=20 ``` CALL [call]from: 0x5B38Da6a701c568545dCfcB03FcB875f56be...

文章 SP1 基准测试:2024年8月6日

...20user%2Ddefined%20instructions.%20Procedural%20macros%20are%20used%20to%20construct%20the%20desired%20machine%20at%20compile%20time%2C%20avoiding%20any%20runtime%20penalties.)、[Nexus](https://docs.nexus.xyz/?ref=blog.succinct.xyz#:~:text=Precompiles%3A%20Precompiles%20are,a%20new%20tab))和[Jolt]...

文章 初探Celestia's Data Availability Layer

...o/YBlog/blob/master/excellent_article/Having a safe CEX: proof of solvency and beyond.md)查看. 文章链接: [地址](https://docs.celestia.org/concepts/how-celestia-works/data-availability-layer) Celestia的数据可用性层(DA)是一个被传的神乎其神的技术, 同时被寄以厚望...

文章 以太坊开发入门-ERC721开发NFT

...造函数,初始化合约名称,简称和合约部署者 */ constructor() { _name = "Harry.NTF"; _symbol = "HNT"; _admin = msg.sender; } /** * 判断实现了些什么接口. */ function supportsInterface(bytes4 interfaceId) publ...

问题 Error! Unable to generate Contract ByteCode and ABI (Expected library(ies) but one or more was not provided)

BSC # Verify & Publish Contract Source Code ![1.png](https://img.learnblockchain.cn/attachments/2021/05/gWwKd77s60b52fb7ad4a5.png) 试过很多次都不行,怎么办法!?

文章 以太坊私链部署erc20_usdt代币

.../** * @title Ownable * @dev The Ownable contract has an owner address, and provides basic authorization control * functions, this simplifies the implementation of "user permissions". */ contract Ownable { address public owner; /** * @dev The Ownable constructor sets the o...

问题 请问 Operator == not compatible with types string memory and literal_string 报错该怎么解决呢?

![image.png](https://img.learnblockchain.cn/attachments/2022/03/sHkq00Ao6243d5f1d4e5c.png) ![image.png](https://img.learnblockchain.cn/attachments/2022/03/vsdAiukZ6243d60a15757.png) 如图,我想判断一个string变量是否等于 "red",出现了这个报错,我想大概是直接写"red...

文章 粗糙解释比特币

> _作者:Gigi_ > > _来源: [https://21-ways.com/ch0-03-quick-and-dirty/](https://21-ways.com/ch0-03-quick-and-dirty/)_ > “解释都是清楚明了的,但是聆听解释的人都无法将解释与真正清晰的东西联系起来,所以清晰的解释也都是不清楚的。” > > —...

文章 Meme文化和加密货币的未来

目录 [切换](https://blockapps.net/blog/the-future-of-meme-culture-and-cryptocurrency/#) ## Meme币的崛起:连接 Meme 文化和加密货币 Meme币已经成为一种独特的、通常是异想天开的数字货币子集,其灵感来自互联网笑话和病毒式传播现象。这些币...

文章 加密货币质押:在碳足迹方面,它与PoW相比如何?

...(https://www.imf.org/en/Blogs/Articles/2024/08/15/carbon-emissions-from-ai-and-crypto-are-surging-and-tax-policy-can-help),如果包括相关数据中心的排放量,则约为 4.5 亿吨。这一预测促使行业领导者和监管机构寻求更可持续的解决方案。 **关键环境统计...