In this tuturial we will see how to implement the PSP34 Non-Fungible Token, an ERC721 equivalent on Astar Network or any Substrate Contracts Node with OpenBrush.
OpenBrush is a library for smart contract development...View Post
In this tuturial we will see how to implement the PSP22 Fungible Token, an ERC20 equivalent on Astar Network or any Substrate Contracts Node with OpenBrush.
OpenBrush is a library for smart contract development on...View Post
When you deploy a smart contract, you need to lock some tokens to store the source code on the blockchain.
By example, in this wallet, 226 ASTR are reserved for the storage of the source code of several smart...View Post
Smart contracts are designed to be “trustless”, meaning users shouldn’t have to trust third parties (e.g., developers and companies) before interacting with a contract. As a requisite for trustlessness, users and...View Post
Overview
Code of a smart contract deployed on chain is immutable, however, we can update the code hash of a contract to point to a different code (therefore changing the code of the smart contract). This...View Post
Ink! supports three different stages of testing: unit, integration and end-to-end tests. On this page we'll explain what the purpose of each stage is about and how to use it.
We will use this example to illustrate...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
At least on the following node is ready :
swanky node: https://github...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
At least on the following node is ready :
swanky node: https://github...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
We are going to reuse the tutorial: https://polkaverse.com/11143/38055
At least on the following node...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
At least on the following node is ready :
swanky node: https://github...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
At least on the following node is ready :
swanky node: https://github...View Post
Prerequisites
Cargo contract installed: https://polkaverse.com/9768/technical-guide-install-cargo-contract-37738
At least on the following node is ready :
swanky node: https://github...View Post
Prerequisites
Ubuntu system (This tutorial uses Ubuntu 22.04).
Sudo privileges.
Access to the command line.
Install Rust on Ubuntu using rustup
1\. Download rustup
To get the latest available version of Rust...View Post