Algorand Developer Portal

TEAL ALGO Oracle in Algorand Layer-1

In a blockchain, the ability to reference a price on-chain enables a seamless and trustless transaction environment, especially for automated transactions and smart contracts. Oracles are the entities in charge of broadcasting off-chain data such as market price to the blockchain, and serve as a source of truth that allows on-chain dApps to measure the value of assets referenced within a transaction. Rand Labs and Borderless Capital releases a Algorand Oracle that can be referenced in atomic transfers using TEAL stateful and stateless smart contracts.

Pablo Yabo Rand Labs

Introducing TEAL Version 3

This article summarizes all the changes made to TEAL in version 3.

Jason Weathersby Algorand

Intermediate · 30 minutes

Using TEAL debugger with algo-buiilder

In this tutorial we present how to use TEAL debugger with `algob` (debugging smart contracts with dry run OR launch a live debugging session)

Ratik Jindal

Intermediate · 30 minutes

Using the TEAL Debugger to Debug a Smart Contract

This tutorial will provide a step-by-step guide on how to use the TEAL debugger to debug a buggy Algorand smart contract.

Damian Barabonkov

Understanding the TEAL Stack by Example

Learn how the TEAL language works: Understand the TEAL stack, scratch space, and global storage by example.

Tobias Schmidt

Intermediate · 30 minutes

Understanding the TEAL Opcode Budget

This guide gives a high-level overview of TEAL's opcode budget system, as well as a method to (finitely) increase it.

Santiago Lisa

Intermediate · 1 hour

Creating a License Manager Contract utilizing PyTEAL and Inner Transactions

This tutorial will introduce the reader to using Inner Transactions in PyTEAL using an example scenario: A License Manager Contract

Julian Weber

Beginner · 15 minutes or less

Algo Builder: Intro to the Web Package

This tutorial is to demonstrate [`pipeline-ui`](https://github.com/scale-it/algo-builder-templates/tree/master/pipeline-ui) and [`AlgoSigner`](https://www.purestake.com/technology/algosigner/) in webapp using [`@algo-builder/web`](https://github.com/scale

Ravindra Meena

Beginner · 15 minutes or less

Algosearch Setup

A how to guide on set up AlgoSearch using Docker compose

Thomas Upfield

Intermediate · 30 minutes

LimitOrder Contract with Python

A walkthrough example of how to use a limit order contract with Python.

Jason Weathersby Algorand

PyTeal — Writing Algorand Smart Contracts in Python

PyTeal is a python language binding for Algorand Smart Contracts (ASC) that abstracts away the complexities in writing smart contracts. PyTeal is provided as an open-source tool for the Algorand community. We invite you to try, use, and contribute to PyTeal if you are interested in developing and deploying ASC’s in Python.

Shumo Chu Algorand

Updated PyTeal Resources

PyTeal, a language binding for TEAL, is a community project created to make writing Algorand Smart Contracts (ASC) easier. This article summarizes the latest resources available to start building Algorand Smart Contracts in Python.

Liz Baran Algorand

Verify Signatures and Signed Data within Algorand Smart Contracts

This article explains how to use the ed25519verify opcode in conjunction with the tealsign goal command.

Jason Weathersby Algorand

Using a Smart Contract for Advanced Approvals: Hierarchical Thresholds

Design and implement an escrow contract account using hierarchical threshold approvals to secure the corporate treasury.

Ryan R. Fox Algorand

Introducing Algorand’s Smart Contract Debugger

This article announces the release of the Teal Debugger.

Jason Weathersby Algorand

Linking Algorand Stateful and Stateless Smart Contracts

This article discussing linking stateful and stateless smart contracts and why it makes sense in many applications.

Jason Weathersby Algorand

Reach - The Easiest and Safest way to Build DApps

Blockchain development is hard. Existing tooling is complex, time-consuming to use and not robust against common programming oversights. Reach is fundamentally changing the way blockchain developers approach their craft, safely, efficiently and with formal proofs.