tokenURI(): 输入tokenId, 检索对应的token, 返回memory中的定位符 Storage可以理解为永久存储, 比如状态变量; Memory类似内存, 会被回收, 越过作用域不可被访问. transferFrom()转账逻辑: 验证转账是否被允许(参数:from, to, tokenId) 验证tokenId是否存在 如果操作者是token现主人 and 此操作者允许管理此代币 ...
Strings.uint2str(_tokenId) ); } tokenURI在ERC721资产中的功能应返回HTTP或IPFS URL,例如https://api.cryptopuff.io/api/creature/3。查询时,此URL应依次返回你的通证(token)对应的metadata元数据的JSON数据块。作为在自有服务器上托管meta的替代方案,您可以使用Abacus协议自动将元数据与您的TOKEN ID相关联。
本文以野狼队的队员TOKEN为例,讲解如何配置图形/文字特有的ERC721非同质化资产。 通过本文学习,你可以了解: (1)如何安装python; (2)如何通过python部署Http服务,用于提供meta信息; (3)通过REMIX发布ERC721到Rinkeby测试网络; (4)发布资产到OpenSea商店; 2,内容 2.1 ERC721资产的metadata说明 在《第三十三课 如何...
Code Issues Pull requests The reference implementation of the ERC-721 non-fungible token standard. ethereum smart-contracts contract standard tokens token contracts implementation eth hacktoberfest erc721 non-fungible erc-721 Updated Aug 10, 2022 Solidity joan...
bun install @settlemint/solidity-token-erc721 DX: Foundry & Hardhat hybrid Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust. Foundry consists of: Forge: Ethereum testing framework (like Truffle, Hardhat and DappTools). ...
The Blockchain App Builder initialization command reads the input specification file and generates the scaffolded project with several tools to assist in the chaincode development process. You can define standard assets and token assets that are based on the ERC-721 standard in the same specification...
问0x协议ERC721Order -尝试执行任何事务以填充或检查已签署订单的状态失败EN介绍 作者:Elli Androulaki,Christian Cachin,Konstantinos Christidis,Chet Murthy,Binh Nguyen和MarkoVukolić 该页面记录了块链基础架构的架构,其中块链节点的角色分为对等体(维护状态/分类帐)和排序者(根据分类帐中包含的事务顺序的...
Create an ERC721 token contract. You can use this implementation as a base Deploy it to the testnet (check the constructor for the needed arguments. Also note that the arguments should be decimals.) starknet-compile contracts/ERC721/ERC721.cairo --output artifacts/ERC721.json starknet deploy...
问将ERC721造币厂合同转为储存资金和接受付款ENhttps://www.youtube.com/embed/x-6ruqmNS3o?start=...
tokenURI在ERC721资产中的功能应返回HTTP或IPFS URL,例如https://api.cryptopuff.io/api/creature/3。查询时,此URL应依次返回你的通证(token)对应的metadata元数据的JSON数据块。作为在自有服务器上托管meta的替代方案,您可以使用Abacus协议自动将元数据与您的TOKEN ID相关联。