Smart Contract Rent on Hedera – Part 2: How to Pay
Learn how you can get your contracts ready to make rent payments and avoid expiration
Smart Contract Rent on Hedera – Part 1: What You Need to Know
This blog post explains Hedera’s pricing structure and renewal windows for contract rent payments. Smart contract rent is a key topic of discussion by Leemon and others in the layer 1 network space. Rent fees are an economically and technically viable approach to manage smart contract state storage.
How to Make Sure Your Hedera NFT Metadata Is Correct
Metadata determines the health of your NFT. How to structure your metadata correctly to make it easier for NFT tooling to scrape and interpret your NFT.
How to Set Up Foundry to Test Smart Contracts on Hedera
The ability to write tests for Smart Contracts using solidity allows for more efficient testing leading to catching more bugs early on and providing security to your users. Learn how to set up Foundry on your Hedera project to start testing now!
How to Generate a Random Number on Hedera
Pseudorandom numbers are used in applications like lotteries, gaming, and even random selection in NFT giveaways. In this tutorial, you will learn how to generate random numbers on Hedera using the JavaScript SDK and Solidity.
NFT Royalty Fees: Everything You Need To Know (Edge-cases Included)
NFT royalty fees allow you to charge a fractional fee when transferring NFTs between users or set a fallback fixed fee. But what about NFT royalty fee edge cases? This blog post looks at questions such as what happens when a user is not associated with the fallback fee and no fungible value is exchanged, or the user doesn’t have any fallback fee balance.
How to Exempt Hedera Accounts from Custom Token Fees
The implementation of HIP-573 in mainnet release v0.31 (November 10th, 2022) enables token creators whose tokenomics require custom fees and different collection accounts to exempt collectors from paying custom fees when exchanging token units. Learn now how to create a fungible token with multiple fee collectors and discover what happens when you transfer some tokens from one collector to another.
How to Pass Zero Token Values to Hedera Contracts
In use cases like DeFi, contracts often need to mint, burn, or transfer 0 units of a token due to integer rounding. The implementation of HIP-564 in release 0.31 of Hedera Services enables smart contract developers to specify a zero value for contract functions performing token operations. In this article, you will learn how to use this capability on Hedera.
How to Auto-Create Hedera Accounts with HBAR and Token Transfers
In this tutorial learn how to auto-create Hedera accounts by sending HBAR and tokens to an alias.
How to Approve HBAR Allowances on Hedera Using the SDK
Allowances grant another account the right to transfer HBAR, fungible tokens, and non-fungible tokens from your account. This tutorial shows you how to approve HBAR allowances using the Hedera JavaScript SDK.