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CRC1155 NFT 教程

本教程将指导您逐步完成在Conflux CoreSpace上使用Hardhat创建、编写和部署ERC1155 NFT智能合约的过程。 此外还将向您展示如何在ConfluxScan上查看您的合约。 您可以在Conflux-NFT-CRC1155 仓库中找到一个实际的例子。

CRC20 代币跨空间(Cross Space)转移

This tutorial guides developers on transferring any CRC20 token from Core Space to eSpace, The goal is to transfer a CRC20 token (A) issued on coreSpace to become an ERC20 token (eA) in eSpace. Currently, if there is no corresponding token in eSpace, it's not possible to use the official cross-space bridge directly.

CRC721 NFT 教程

本教程将指导您如何使用Hardhat在 Conflux CoreSpace 上创建、编写和部署一个 CRC721 NFT 智能合约 此外,它还将向您展示如何在ConfluxScan上查看您的合约。

CrossSpaceCall

CIP-90 引入了一个新的内置合约:CrossSpaceCall. CrossSpaceCall 允许在两个空间之间转移 CFX 和数据。

SDKs

Conflux 拥有主流编程语言的SDK,包括JavaScript, Golang, Java 和 Python。 这只是SDK的简要介绍,详细的使用信息请查阅各自的文档。

trace 命名空间

Through trace RPCs we can know the transaction executive details. To use these RPC Conflux archive node need set two additional config:

web3.js

This page is meant to guide you through the basics on how to use web3.js when developing on Conflux eSpace.

web3.py

This page is meant to guide you through the basics on how to use web3.py when developing on Conflux eSpace.

交易字段

在编码 Conflux Core Space 交易时,以下字段是必需的:

交易收据

交易收据是一个包含有关交易执行结果信息的数据结构。

代付机制

Conflux Core 空间实现了代付机制,来补贴智能合约的使用。 这允许余额为零的新账户调用智能合约,前提是执行操作得到代付(通常由Dapp运营者提供)。 这个机制旨在降低新用户的入门门槛。

默克尔树白名单

Using a Merkle Tree whitelist provides a cost-efficient way to distribute NFTs to a predefined list of addresses. It ensures that only whitelisted addresses can mint the NFTs, enhancing security and efficiency. Writing a whitelist of thousands of addresses directly within a smart contract would result in significant gas costs, and additionally, due to the maximum transaction gas limit restriction, it might be impractical to update such a large whitelist in a single transaction. However, since in the Merkle Tree verification process, leaf nodes and proofs can be stored off-chain while only the root value needs to be stored on-chain, this method significantly saves on gas costs and enables whitelist setup with only one transaction.