I will do live security reviews of Ethereum smart contracts and share my approach to auditing on a stream. The live stream is scheduled to start at 3.30 PM GMT on Sunday (22/08/2021). Link: https://www.youtube.com/watch?v=LLiJK_VeAvQ Notes Here are some brief notes that I’ll use as talking points on the stream. A detailed blog post will …
This blog post will guide you through the process of forking a substrate blockchain like Polkadot. Substrate does not offer any forking capabilities out of the box but we can still create a “fork” relatively easily. I created a small script to make the process much easier, you can find the script here. How does …
This article kicks off a series of technical Substrate articles that I have planned. I will be discussing various specifics of Substrate in these articles that will help developers building on top of Substrate understand Substrate better. The topic for this post is Substrate’s Imbalances. Background The balances module of Substrate’s FRAME runtime maintains a …
Rust is a programming language that is geared towards speed and safety. Rust has gained a lot of adoption in the past few years and developers are loving it. Although there are numerous other systems programming languages, Rust is one of the very few alternatives to C/C++ that can hold its own when it comes …
In this post, I will be sharing my recent experience of setting up a load-balanced internet connection and my learnings from it. TL; DR: Load balanced internet connection is not the smartest idea; you might be better off with a failover based setup. Back here in India, no ISP is super reliable. However, the internet …
Rust is a systems programming language that is being developed with safety and speed as its primary goals. It is a highly concurrent modern language with a fast-growing community. Developer surveys like “Stack Overflow Developer Survey” where it has been voted “the most loved language” for four years in a row show the support Rust …
When a revert happens in solidity, all the state changes done in that transaction are rolled back. All the changes done in sub calls are also rolled back. If we called a contract A which in turn tried to do a token transfer in contract B but contract B reverts, all the changes done by …
Try Catch in Solidity: Handling the revert Exception Read More »
Solidity is a special language with many little quirks. A lot of things behave differently in Solidity than most other languages as Solidity is created to work on the EVM with its limited feature set. I wrote a blog post with ten tips to save gas in Solidity a few months back and it got a great …
Solidity tips and tricks to save gas and reduce bytecode size Read More »
The Görli testnet The Görli testnet is the first cross-client proof-of-authority network for Ethereum. It is based on the Clique PoA protocol. It was launched on 31 January 2019 at the GörliCon. The development is led by Chainsafe Systems + Afri Schoedon from Parity but there are dozens of more contributors that helped in making …
The latest version of Solidity kickstarted a season of upgrades in the BUIDL space. The latest version of solidity essentially meant that all your smart contracts are now broken. It all seemed ok though; just a couple day’s work to get caught up. Then, just before Christmas came Truffle 5 with support for solidity 0.5 and web3 beta, and …
A dev’s journey from Truffle 4 to the unknown world of Truffle 5 Read More »