Best of Crypto

Best of Crypto

1653507360

The Core Smart Contracts Of The Aave V3 Protocol

Aave Protocol v3

This repository contains the smart contracts source code and markets configuration for Aave Protocol V3. The repository uses Docker Compose and Hardhat as development environment for compilation, testing and deployment tasks.

What is Aave?

Aave is a decentralized non-custodial liquidity markets protocol where users can participate as suppliers or borrowers. Suppliers provide liquidity to the market to earn a passive income, while borrowers are able to borrow in an overcollateralized (perpetually) or undercollateralized (one-block liquidity) fashion.

Documentation

See the link to the technical paper or visit the Aave Developer docs

Technical Paper

Developer Documentation

Audits and Formal Verification

You can find all audit reports under the audits folder

Round 1 - October 2021

Round 2 - December 2021

Formal Verification

Connect with the community

You can join at the Discord channel or at the Governance Forum for asking questions about the protocol or talk about Aave with other peers.

Getting Started

You can install @aave/core-v3 as an NPM package in your Hardhat or Truffle project to import the contracts and interfaces:

npm install @aave/core-v3

Import at Solidity files:

import {IPool} from "@aave/core-v3/contracts/interfaces/IPool.sol";

contract Misc {

  function supply(address pool, address token, address user, uint256 amount) public {
    IPool(pool).supply(token, amount, user, 0);
    {...}
  }
}

The JSON artifacts with the ABI and Bytecode are also included into the bundled NPM package at artifacts/ directory.

Import JSON file via Node JS require:

const PoolV3Artifact = require('@aave/core-v3/artifacts/contracts/protocol/pool/Pool.sol/Pool.json');

// Log the ABI into console
console.log(PoolV3Artifact.abi)

Setup

The repository uses Docker Compose to manage sensitive keys and load the configuration. Prior any action like test or deploy, you must run docker-compose up to start the contracts-env container, and then connect to the container console via docker-compose exec contracts-env bash.

Follow the next steps to setup the repository:

  • Install docker and docker-compose
  • Create an enviroment file named .env and fill the next enviroment variables
# Add Alchemy or Infura provider keys, alchemy takes preference at the config level
ALCHEMY_KEY=""
INFURA_KEY=""


# Optional, if you plan to use Tenderly scripts
TENDERLY_PROJECT=""
TENDERLY_USERNAME=""

Test

You can run the full test suite with the following commands:

# In one terminal
docker-compose up

# Open another tab or terminal
docker-compose exec contracts-env bash

# A new Bash terminal is prompted, connected to the container
npm run test

Download Details:
Author: aave
Source Code: https://github.com/aave/aave-v3-core
License: View license

#aave  #blockchain  #defi #typescript #solidity #smartcontract 

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The Core Smart Contracts Of The Aave V3 Protocol

david harper

1610429951

Hire Smart Contract Developers | Smart Contract Development Company India

What are smart contracts?

Smart contracts is a digital code stored in a blockchain and automatically executes when predetermined terms and conditions are met. In Simple terms, they are programs that run by the setup of the people who developed them.They are designed to facilitate, verify, and execute a digital contract between two parties without the involvement of third parties.

Benefits of Smart Contracts

Greater efficiency and speed
Accuracy and transparency
Trust
Robust Security
Independent verification
Advanced data safety
Distributed ledger
Ease of use
Open source technology
Better flexibility
Easy integration
Improved tractability

Where could smart contracts be used?

Today Smart contracts are used in various platforms such as supply-chain management,cross-border financial transactions,document management,enforceability and more. Here are the Sectors where smart contracts plays a huge role ,

  • Supply chain management
  • Insurance
  • Mortgage loans
  • Financial industry
  • Trade Finance
  • Government
  • IT Sector
  • Records
  • Property ownership
  • Medical Research
  • Voting
  • Peer-to-Peer transactions
  • Product development
  • Stocktaking

Steps For Successful Smart Contract Development

There are a few Important things that you need to consider before you develop a Smart Contract,

Ask Yourself -

  • Do You Need A Smart Contract In Your Project?
  • How can i Implement Smart Contract in My Business?
  • If yes, Find out Your Business Requirements
  • Plan your Requirements
  • Find a Trustworthy Smart Contract Developer
  • Develop , Test Your Smart Contract

Ready to develop your smart contract?

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james right

james right

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Smart Contract Development Company, Hire Smart Contract Developer

With the advent of smart contracts, it has become possible for every business to secure its data and to determine success. It is a decentralized solution that enables you to do many tasks while executing in the most optimal manner. All the entrepreneurs and business owners who have adopted this mechanism have received great results. In order to access this service for your company, you need to team up with a smart contract development company. By doing this, you enhance the power of your solution and make things very seamless.

Smart Contract Development Company

What makes a smart contract a perfect solution for my business?

A smart contract enables you to achieve various feats that seem unfathomable. Also, you get to protect the information of your enterprise in the best possible manner. When you have the power to expand your operation, you should be wise enough to choose the most appropriate solution. There are times when you have to think of something exemplary, it also gives you more about the perfection of the tools. At such a time, you need to have a proper understanding of the features and get things planned in a permanent fashion.

It does not matter which domain you are related to, you get to think about the possible solutions from every domain. Also, you get to manage various other tasks that seem very difficult otherwise. Before you introduce this ledger-based framework in your firm, you need to ready for the outcomes. Every time you come across a decentralized network, you start to pave way for something more dynamic. This gives you the power to react on time and with more efficacy for the long term. Also, you get to review the overall working with a set of proficient developers.

Whether you directly connect with the blockchain or not, your business draws a large number of benefits from the smart contracts. The very core of this solution enables you to create a fitting structure around every company. Also, you get to come with a prominent fix that empowers the proponents of your project. The vision of your investors gets broadened and you get the insights to envision things properly. Every time you do it, you get things worked up properly, you get to maintain a proper flux of funds. In this way, your business gets whatever you want in a very short duration.

How should I develop and implement smart contracts in my business?

By introducing this solution, you prepare your startup to scale up the steps of success. Also, it helps your business overcome all types of issues whether they are temporary in nature or permanent. You need to understand the predilection of every course of action so there is never any obstacle in the way. Moreover, it becomes very easy for your organization to spread its wings because it has befitting tools to support its working. This may also happen in with support structures that ease the expansion of business in a very lesser time.

In every industry, there is a scope of decentralization and you can make it even easier through a string of services. All the crypto-based programs help you get closer to the customers with a reliable method of payment. With this structure, it is possible for every business to do something exceptional. Whether you want it or not, you get to work on many expeditionary campaigns. Also, you help others expand the work and things can get more explicable flawlessly. The working of this solution gives you a high quantum of accuracy in every possible manner.

The prospects of your company can get much better and promising because you have a lesser number of agents deployed. You might find these differences odd, but they can highly impact the development as well as transactions. When you want to touch base with your team or some consultants, you get a better idea about the entire thing. Also, that happens without having you wasting your time. There could be subtle errors in the initial phases of the development of tokens or any other distributed ledger. If decentralization is at the core, you need to have more potential to conceptualize new methods.

How should I find professionals who could develop custom-built smart contracts?

You can certainly get such experts but the search has to be very thorough in nature. Also, the whole thing has to be planned to the hilt and things could be working seamlessly. When you get things working at an impressive pace, you might lack clear objects. Even if there is a projected solution for some problems, you must not employ them before proper rounds of review. This approach gives you satisfactory results in every domain and keeps you one step ahead when it comes to getting what you precisely need.

It is vital that you work with people who have an idea about what’s happening in your firm. By working with such people, you get more certainty in every step sans wasting a large quantum of resources or time. You might be able to find some other options but they all resort to decentralization in the end. The best way to implement this solution is to give more time to every single process through many methods. Also, you need to get things aligned with a proper solution and help the developers give shape to their visions.

Upshot

With the experts of Coin Developer India, it is possible for every startup to get a bespoke smart contract. We make this solution so adaptable that you don’t think about making any changes in the existing structure of the business. Our seasoned professionals help you get over all the problems that you might face in the planning or the execution stage. We make every single task absolutely flawless and help you get familiar with pragmatic fixes that are cost-effective too. If you want to make the most of this blockchain-based service, you must work with us.

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Einar  Hintz

Einar Hintz

1602560783

jQuery Ajax CRUD in ASP.NET Core MVC with Modal Popup

In this article, we’ll discuss how to use jQuery Ajax for ASP.NET Core MVC CRUD Operations using Bootstrap Modal. With jQuery Ajax, we can make HTTP request to controller action methods without reloading the entire page, like a single page application.

To demonstrate CRUD operations – insert, update, delete and retrieve, the project will be dealing with details of a normal bank transaction. GitHub repository for this demo project : https://bit.ly/33KTJAu.

Sub-topics discussed :

  • Form design for insert and update operation.
  • Display forms in modal popup dialog.
  • Form post using jQuery Ajax.
  • Implement MVC CRUD operations with jQuery Ajax.
  • Loading spinner in .NET Core MVC.
  • Prevent direct access to MVC action method.

Create ASP.NET Core MVC Project

In Visual Studio 2019, Go to File > New > Project (Ctrl + Shift + N).

From new project window, Select Asp.Net Core Web Application_._

Image showing how to create ASP.NET Core Web API project in Visual Studio.

Once you provide the project name and location. Select Web Application(Model-View-Controller) and uncheck HTTPS Configuration. Above steps will create a brand new ASP.NET Core MVC project.

Showing project template selection for .NET Core MVC.

Setup a Database

Let’s create a database for this application using Entity Framework Core. For that we’ve to install corresponding NuGet Packages. Right click on project from solution explorer, select Manage NuGet Packages_,_ From browse tab, install following 3 packages.

Showing list of NuGet Packages for Entity Framework Core

Now let’s define DB model class file – /Models/TransactionModel.cs.

public class TransactionModel
{
    [Key]
    public int TransactionId { get; set; }

    [Column(TypeName ="nvarchar(12)")]
    [DisplayName("Account Number")]
    [Required(ErrorMessage ="This Field is required.")]
    [MaxLength(12,ErrorMessage ="Maximum 12 characters only")]
    public string AccountNumber { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Beneficiary Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BeneficiaryName { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Bank Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BankName { get; set; }

    [Column(TypeName ="nvarchar(11)")]
    [DisplayName("SWIFT Code")]
    [Required(ErrorMessage = "This Field is required.")]
    [MaxLength(11)]
    public string SWIFTCode { get; set; }

    [DisplayName("Amount")]
    [Required(ErrorMessage = "This Field is required.")]
    public int Amount { get; set; }

    [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
    public DateTime Date { get; set; }
}

C#Copy

Here we’ve defined model properties for the transaction with proper validation. Now let’s define  DbContextclass for EF Core.

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Amara Sophi

Amara Sophi

1595917383

Top Smart Contract MLM Clone Scripts

Smart Contract MLM Software is a smart contract-based MLM platform, built on blockchain technology that helps you to build trustworthy blockchain MLM business with fully decentralized Ethereum SmartContract.The smart contract MLM has embedded with various working features of MLM Responsive Website, Member Back office, admin back office, secured cloud server, anti-DDOS protection, and SSL.

Benefits of Smart Contracts based MLM Platform

  • They are reliable since once programmed they cannot be reversed.
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  • They are efficient since their processing speed is much higher than a traditional contract. They automatically enforce whatever is defined.
  • They are automatic and require no third party involvement.

Having an idea to start MLM business with smart contract development??

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Some of the Smart Contract MLM Clone Scripts,

Million Money Clone Script

Millionmoney is a networking program that is built on blockchain technology and ethereum cryptocurrency as p2p donation among members. Million Money occurs to be a pyramid scheme, that is you have to pay a fee to join the scheme, and then you have to refer other people to that scheme. The only possible way to make a positive return on your original joining fee is to convince enough people to join after you. You will receive a small portion of the fees from any members who you recruit, while the rest of your fees get passed to higher levels of the pyramid.

Forsage Clone Script

Forsage, found at forsage.io, is a MLM or multi-level marketing company that claims to have created the world’s first 100% decentralized Ethereum smart contract.Forsage ethereum smart contract "enables peer-to-peer (P2P) commission payments between its program participants.” Forsage is Ethereum Blockchain Matrix Project, this smart contract is supposed to offer any participants “the ability to directly engage in personal and business transactions.

Doubleway Clone Script

Doubleway Multi-level marketing (MLM) is one of the most popular and easy way to make money online and other than the health and wellness niche, cryptocurrency seems to be one of the most-talked-about opportunities to start various mlm business in the wider globe space. Doubleway uses an MLM structured business model you can recruit new people to join doubleway through your affiliate link and build a downline team to earn commissions with the company.

Etrix Clone Script

Etrix is a First Smart Contract With Binary open MLM structure With Two Matrixes. It has Forced Matrix and Team Matrix. Both Team and Company Forced Matrixes are working simultaneously. Etrix is noted for the fastest and easiest way to earn ethereum for every 90 days. People are using this smart contract to give donations and receive donations in form of Ethereum.

XOXO Network Clone Script

XOXO Network is a decentralized, peer to peer global powerline networking system that runs on set protocols with no admin or official authority. This Ethereum smart contract-based system requires members to choose between different smart contract projects that could potentially yield profits. XOXO Network is nothing but a crypto-based cash gifting matrix cycler program. The Network uses Ethereum as the only method of payment that is member to member. Thus XOXO is the first-ever powerline network built on a smart contract, it protocols it’s unshakable and unstoppable to work and serve everyone equally.

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