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Showing 215 posts related with contract.

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    Intermediate · 30 minutes
    TEAL icon

    Algorand Studio | Tutorial 3: Smart Contract Limit Order

    Introduce the Algorand Standard Asset (ASA) model and work through the LimitOrder smart contract to learn issuing your own ASA & using the smart contract to exchange ALGO for an ASA.

    Phil Li
    Phil Li Obsidian Labs
  • Post Thumbnail
    Intermediate · 30 minutes
    Golang icon

    Hash Time Lock Contract Template With Go

    Build a Smart Contract that functions as a HTLC using Go

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail
    Intermediate · 30 minutes
    Java icon

    Hash Time Lock Contract Template With Java

    Build a Smart Contract that functions as a HTLC using Java

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail
    Intermediate · 30 minutes
    Python icon

    Algorand Studio | Tutorial 2: Smart Contract Dynamic Fee

    Use Algorand Studio for ASC development including creating a project, coding, compiling, and constructing transactions to execute the smart contract.

    Phil Li
    Phil Li Obsidian Labs
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    Intermediate · 30 minutes
    JavaScript icon

    Algo Builder Tutorial Part 2: Stateless Smart Contracts

    Building Smart Contracts with Algo Builder. Our goal is to make shipping Algorand applications simple, efficient, and scalable.

    Robert Zaremba
    Robert Zaremba Algorand Builder
  • Post Thumbnail
    Intermediate · 1 hour
    Python icon

    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
    Julian Weber
  • Post Thumbnail
    Intermediate · 30 minutes
    JavaScript icon

    Hash Time Lock Contract Template With JavaScript

    Build a Smart Contract that functions as a HTLC using JavaScript

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail
    Intermediate · 30 minutes
    Python icon

    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
    Damian Barabonkov
  • Post Thumbnail
    Beginner · 1 hour
    Python icon

    Simple NPC game interactions using a stateful contract and atomic transfers

    This tutorial will show you how to create a simple NPC game character using a stateful contract and atomic transfers. We'll also test it using the `goal` command line tool.

    dooke
    dooke
  • Post Thumbnail
    Beginner · 1 hour
    Python icon

    Create and test smart contracts using Python

    Create two smart contracts using Python Algorand SDK and PyTeal, then test their implementation using pytest.

    Ivica Paleka
    Ivica Paleka
  • Post Thumbnail
    Beginner · 1 hour
    TEAL icon

    Writing a Simple Smart Contract

    Example showing how to build a simple smart contract.

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail
    Intermediate · 30 minutes
    Java icon

    Build Algorand Android Smart Contract using Kotlin

    This tutorial is targeted at beginners and intermediate Algorand developers who primarily develop Android Applications using Kotlin. The tutorial will also be beneficial to Java Android Developers as both languages have a lot in common.

    Glory Agatevure
    Glory Agatevure Africinnovate
  • Post Thumbnail
    Intermediate · 30 minutes
    JavaScript icon

    Algo Builder Tutorial Part 4: Testing Smart Contracts

    In this tutorial we present how `algob` helps the developers to test their smart contracts effectively.

    Robert Zaremba
    Robert Zaremba Algorand Builder
  • Post Thumbnail

    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
    Shumo Chu Algorand
  • Post Thumbnail

    How to Write Smart Contracts

    This article summarizes the three primary ways you can build Algorand Smart Contracts.

    Jason Weathersby
    Jason Weathersby Algorand
  • Post Thumbnail

    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
    Jason Weathersby Algorand
  • Post Thumbnail

    Smart Contract SDK Usage Updated to V2

    The feature guide for accessing a TEAL program from an SDK is updated for V2. This guide contains SDK samples using TEAL programs with contract accounts or delegated signatures.

    Russell Fustino
    Russell Fustino Algorand
  • Post Thumbnail

    Leased Transactions: Securing Advanced Smart Contract Design

    Certain smart contracts can benefit from defining a Lease parameter, which can provide security for exclusive transaction execution, mitigate fee variability, and enable long-running smart contracts. Learn when and how to use Leases in this article.

    Ryan R. Fox
    Ryan R. Fox Algorand
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