Solidity
Browse all Solidity articles.
12 min read
Coding a Solidity rebase token
Coding a Solidity rebase token A “rebase token” (sometimes “rebasing token”) is an ERC-20 token where the total supply, and the balances of token holders, can change without transfers, minting, or...
13 min read
Q Number Format
Q Number Format Q number format is a notation for describing binary fixed-point numbers. A fixed-point number is a popular design pattern in Solidity for storing fractional values, since the language...
22 min read
Storage Slots of Dynamic Types (Mappings, Arrays, Strings, Bytes)
Storage Slots of Dynamic Types (Mappings, Arrays, Strings, Bytes) Dynamic-sized types in Solidity (sometimes referred to as complex types) are data types with variable size. They include mappings,...
16 min read
Assembly revert
Assembly revert Reverting transactions using inline assembly can be more gas-efficient than using the high-level Solidity or statement. In this guide, we’ll explore how the different types of reverts...
16 min read
20 Common Solidity Beginner Mistakes
20 Common Solidity Beginner Mistakes Our intent is not to be patronizing towards developers early in their journey with this article. Having reviewed code from numerous Solidity developers, we’ve...
4 min read
Creating "mappings" and "nested mapping" in Solana
Creating "mappings" and "nested mapping" in Solana !"Mappings" and "Nested Mappings" in Solana In the previous tutorials, the parameter was always empty. If we put data into it, it behaves like a key...
4 min read
Function modifiers (view, pure, payable) and fallback functions in Solana: why they don't exist
Function modifiers (view, pure, payable) and fallback functions in Solana: why they don't exist !Hero image showing view, pure, payable, fallback, and receive in Solona Solana does not have fallback...
7 min read
Modifying accounts using different signers
Modifying accounts using different signers !Hero image showing Anchor Signer: Modifying accounts with different signers In our Solana tutorials thus far, we've only had one account initialize and...
5 min read
The Solana clock and other "block" variables
The Solana clock and other "block" variables !solana clock Today we will cover the analogs of all the block variables from Solidity. Not all of them have 1-1 analogs. In Solidity, we have the...
17 min read
Try Catch and all the ways Solidity can revert
Try Catch and all the ways Solidity can revert This article describes all the kinds of errors that can happen when a smart contract is called, and how the Solidity Try / Catch block responds (or...
12 min read
Storage Slots in Solidity: Storage Allocation and Low-level assembly storage operations
Storage Slots in Solidity: Storage Allocation and Low-level assembly storage operations This article examines the storage architecture of the Ethereum Smart Contracts. It explains how variables are...
10 min read
Over 150 interview questions for Ethereum Developers
Over 150 interview questions for Ethereum Developers All of these questions can be answered in three sentences or less. Easy What is the difference between private, internal, public, and external...