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Showing 215 posts related with contract.

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    Automated testing for Algorand smart contracts - Part 1

    A three part series on automated testing for your TEAL smart contracts

    Ashley Davis
    Ashley Davis Hone
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    Example Crowdfunding Stateful Smart Contract Application

    This solution explains one way to build a crowdfunding application on the Algorand Blockchain.

    Jason Weathersby
    Jason Weathersby Algorand
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    Example Permissioned Voting Stateful Smart Contract Application

    This solution explains one way to build a permissioned voting application on the Algorand Blockchain.

    Jason Weathersby
    Jason Weathersby Algorand
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    Example Permissionless Voting Stateful Smart Contract Application

    This solution explains one way to build a permissionless voting application on the Algorand Blockchain.

    Jason Weathersby
    Jason Weathersby Algorand
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    Example Digital Exchange Smart Contract Application

    This solution presents a very simple DEX application using stateless and stateful smart contracts. It allows users to place limit orders that are fulfilled at a later time by another party.

    Jason Weathersby
    Jason Weathersby Algorand
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    Using Stateful Smart Contract To Create Algorand Standard Asset

    Using PyTeal and goal, we use a stateful smart contract linked with an escrow account to create an Algorand Standard Asset.

    Gidon Katten
    Gidon Katten
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    Building a decentralized vault using stateful smart contracts

    Vaults are a security mechanism to prevent cryptocurrency from being immediately withdrawn by forcing its creator to wait a certain wait time after a request has been made, while also giving them the ability to cancel a request that they have not made.

    Roberto Pettinau
    Roberto Pettinau Università degli studi di Cagliari
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    ASA payment for a smart contract service using Algorand

    This article presents a solution for how to use ASA payment for a smart contract service using Algorand. We will implement this using [Algo Builder](https://algobuilder.dev).

    Amit Yadav
    Amit Yadav Algo Builder
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    Oracle for Algorand Using Smart Contracts

    This solution shows how to combine Pyteal smart contract and a Java application to implement an Oracle, to provide real world data to Algorand smart contracts.

    Dame Seiel
    Dame Seiel
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    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
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    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
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    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
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    Intermediate · 30 minutes
    Python icon

    Hash Time Lock Contract Template With Python

    Build a Smart Contract that functions as a HTLC using Python

    Jason Weathersby
    Jason Weathersby Algorand
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    Smart Contract Storage: Boxes

    An overview of Smart Contract storage mechanisms, and technical details for how to use boxes.

    Anne Kenyon
    Anne Kenyon Algorand
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    Intermediate · 30 minutes
    C# icon

    Create an Online Game Marketplace to Buy/Sell Games

    In this tutorial, we will learn how to interact with the Algorand network to create an online marketplace where games can be bought or sold online using TestNet.

    Stephen Sunday
    Stephen Sunday KusuConsult
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    Intermediate · 1 hour
    C# icon

    Create a Mobile App (Android/iOS) using Xamarin Forms

    Create a Mobile Application enabling you to interact with the Algorand blockchain.

    Stephen Sunday
    Stephen Sunday KusuConsult
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    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
    Liz Baran Algorand
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    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
    Pablo Yabo Rand Labs
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