Uncategorized

Building Solutions for Cross-Border Payments

Utilizing a Stellar-based service for cross-border transactions it is possible to move international using standard instructions, an efficient and contemporary method to perform B2B payments. Stellar can replace the process of foreign wires and currency exchange which makes transactions more efficient and speedy.

The Problem

In conventional B2B transactions the service provider decides the method by which they wish to be compensated. It’s a bank-to bank protocol which requires the client to cooperate with their bank to make a money and the bank that is their correspondent exchanges currency for the customer, determines the rate of exchange and then charges the fee.

The settlement time is usually 2 to 5 business days dependent on the country as well as the banks that are involved. Banks also charge high charges of about 6 percent due to the many intermediaries that are part of the system.

The Solution

Making a solution to international cross-border payments, Stellar solves the money and time problems that arise from traditional B2B transactions. Stellar allows financial institutions to process the same transaction in a matter of minutes for less than the cost and also eliminate large exchange rates and banking charges.

Combining the advantages of a blockchain-based, frictionless method for payment with a local counterpart, Stellar allows on and off-ramps for all currencies around the world. Local partners can also be identified as anchors, which are used to shift anchors around the stellar network while also paying out and accepting traditional currencies within their respective regions.

The benefits of using blockchain for cross-border payments

No middleman

Blockchain eliminates the requirement for intermediaries, correspondents or central authorities to handle payment processing. The transactions are made between two parties who have signed a joint agreement, which guarantees confidence in the system.

Reducing turnaround time

Since there aren’t any central authorities or middlemen who are involved in the processing of payments, the time it takes to complete is shorter for settlements and the money is transferred more quickly across boundaries.

Security

Since the information for the transaction have been encrypted and hashed the transaction cannot be altered. alter the information. Modifying one block of the chain makes the other blocks invalid, by altering their hash value.

Read More : https://www.leewayhertz.com/stellar/cross-border-payments-solutions/

Standard
Uncategorized

Stellar Consulting Services

We assist you in understanding Stellar blockchain’s capabilities and ways to transform your ideas into reality. Stellar Consulting Team Stellar Consulting Team examines your needs and analyzes the necessity of an Stellar network.

Our Stellar Consulting Services

We at Stellar Blockchain Consultants will help you evaluate Stellar’s potential. Stellar blockchain platform’s possibilities for your specific business needs. As element of Stellar Consulting Services, we analyze the ways in which Stellar can be used in your current application, develop an outline of development and design an POC.

Training and strategy workshop

The Stellar Blockchain Consultants will provide you with Stellar blockchain-related workshops that enable you to make the most of the potential of Stellar to improve the effectiveness for financial transactions.

Stellar Blockchain Consulting

We assist you to identify the challenges & areas for improvements that Stellar blockchain can address with its established design methodology and its scalable capabilities.

Quick Stellar POC

We develop an Proof of Concept (POC) to show your Stellar blockchain project’s real-world potential in just four weeks. Through the creation of a POC we assist you to get a better understanding of exactly how Stellar blockchain ecosystem functions.

Stellar Blockchain Development

Through Stellar’s API Server, SDKs of various programming languages, and the Horizon network. This allows us to create safe and flexible Stellar blockchain solutions that include tokens, dApps, wallet applications and smart contracts.

Why should you choose Stellar Blockchain Platform?

Scalability

Offering the best combination of cost of transactions along with average settlement time and the number of transactions that can be processed per second Stellar can process 10,000 transactions in one second.

Transaction Fees

Every transaction that is executed through the Stellar network is charged a minimal cost that is 0.00001 Lumens. The cost of a particular transaction is the amount of operations times the fee base.

Improved Access

Stellar Blockchain Stellar Blockchain, you can join a global network of financial services that are regulated worldwide and make transactions with an affordable payment framework.

Secure

Stellar uses industry-standard public-key cryptography tools and methods. Furthermore all transactions have been signed by the person who used to send them with the Ed25519 algorithm.

Read More : https://www.leewayhertz.com/stellar-consulting-services/

Standard
Uncategorized

HOW TO ISSUE AND ANCHOR ASSETS ON STELLAR?

One of the primary functions of Stellar is the ability to issue assets. It is possible to tokenize any asset, and then trade or transfer it across on the Stellar network. It is easy economically, economically, and for anyone (from banks and money service companies as well as payment processors, local communities, companies and even individuals). You can also tailor the assets to specific usage scenarios with the aid of Stellar’s built-in systems to put them up for sale on Stellar’s Stellar decentralized exchange and make use of market-making bots to gain from Stellar’s global reach, and provide the necessary liquidity. Presently it is the process of tokenizing fiat currencies for enhancing processes like payment across borders is the main application for Stellar.

Anatomy of an Asset

The two main characteristics of each Stellar investment are:

The Asset Code

There are two formats that can be used for asset codes, i.e. the alphanumeric 4-character maximum as well as the alphanumeric 12-character maximum. It’s an identifier code that allows prospective holders of tokens to know the significance of your token.

The Issuer

The assets on stellar are made by a payment operation. The issuer account is the one which makes the payment for the asset that it is issuing. The transaction made by the issuing account generates the asset in the network. The issuing account is the one with the charge of the asset and the control over it.

These traits are used to determine the asset’s location that is listed on Stellar to allow interaction. Sometimes the asset codes are overlapping since more than one company could issue a credit that represents the same asset. Therefore, using the issuer’s code and asset code permits every asset identified as a distinct entity. The credits that are represented by these tokens of excellence can be used to redeem anything outside of the network, for instance, fiat currency, bonds, carbon credits, gold, and so on. If you are able to issue an currency, it must be used with the proper ISO 4217 code and in the event of issuing bonds as well, the stock needs to be used with the correct ISIN number.

Trustlines

Trustlines are account-level entries created by the change_trust function. Every account needs to create trustlines prior to being able to hold assets from another account. It is a way to identify the issuer as well as the asset’s code. The functions of trustlines include:

  • Increase the minimal lumen reserve by 1 reserve (currently 0.5XLM) and monitor the balance of the asset.
  • Limit the amount of assets that is held in an account.
  • Track the liabilities.

Trustlines should have sufficient liquid funds to cover its selling obligations and stay under its limit to meet the buying obligations.

Amount Precision

Asset amounts are encoded in numbers that are signed with 64 bits in the XDR structures. Stellar utilizes this structure to encode transactions. In order to arrive at the native representation in 64-integers the asset quantity unit (as per the eyes of people who use it) is reduced to a ratio of 10 million.

The number values are displayed using int64s. The values of the amount are stored only as signed integers in order to avoid any problems that result due to mixing signed and unsigned integers.

Relevance in Horizon and Stellar Client Libraries

The value encoded in the integer is abstracted in clients-side as well as Horizon libraries like jsstellar-sdk. Certain programming languages, such as JavaScript have issues when trying to maintain the precision of a particular number. Many APIs require to be able to display the amount in unit, i.e., the incremented amount is shown to users. Therefore, we suggest using the “big number” library that can store decimal numbers with arbitrary precision without losing any accuracy.

Lumens (XLM)

The local currency for the Stellar network, Lumens (XLM), is the only asset that doesn’t require an issuer or trustline. The transaction fees are all payable in lumens. Therefore, it is essential that each account maintains an amount of lumens at a minimum. The smallest unit of measurement is “Stroop,” i.e. 10 millionths of one lumen.

Issue an Asset

Instead of executing the procedure of a specific process Assets that are created on Stellar are created using the use of a payment process. The issuing account processes the payment using the asset that it is making and the transaction is an asset that is available on the network. It’s an easy procedure that requires the following four actions:

  1. Operation to establish an issuing account
  2. Procedure to establish an account for distribution
  3. Operation to create a trustline
  4. Payment operation

Although you aren’t required to transfer assets to a designated distribution account, it’s advised to distribute them to accounts that have the trustline that is required. But, it is important to know that if you wish to establish a token on the public blockchain you will require a fully fundable account in order to create the required XLM to create, issue and dispersing accounts.

Read More : https://www.leewayhertz.com/issue-assets-on-stellar-blockchain/

Standard
Uncategorized

HOW CAN STELLAR BLOCKCHAIN SIMPLIFY CROSS-BORDER PAYMENTS?

Globalization has transformed business environment with the increasing amount of businesses and individuals using overseas suppliers. This trend is increasing the demand for transactions across borders. The rise global trade e-commerce , and internationalization of production shows that the demand for cross-border payments is expected to continue to increase rapidly. A Forrester study suggests that cross-border eCommerce will extend across at minimum 29 countries in Europe, Asia Pacific, Africa, North America, Latin America, and the Middle East by the year 2022.

Transferring money from one country to another, be it to relatives, friends, or even to pay for services or goods it is more expensive, time-consuming difficult, inconvenient more opaque than payments made in the domestic market. This could be caused by the complexity and complexity international payments that pose more risks and regulations than regular domestic payments.

In order to address these problems blockchain technology has been viewed as a one-stop solution for improving the overall effectiveness of cross-border transactions. A cross-border solution for payment that is based on the blockchain platform Stellar will make sure that financial services are available to those who have limited or no banking services. This includes interconnections between local payment systems, expansion of closed-loop, proprietary systems across boundaries, and peer-to-peer payments systems that are based on blockchain.

What are the problems facing traditional cross-border payment system?

The term “cross-border payment” refers to the process where the funds are transferred from one country and then to the receiver in a different country. The traditional cross-border transaction consists of several entities such as banks or financial institutions, scheme providers, or people looking to transfer funds across territories.

When the funds are deposited then the money is processed and transferred through fragmented financial institutions. Every time, the funds custody shifts and the institution is charged fees in around 1. This process results in an increase of costs for the person who is sending. The total cost is calculated based on the amount of transfer as well as the country of destination. The entire process isn’t just costly, but also lengthy. Because the receiver and the sender don’t share a single ledger, the transaction has to be executed through a number of intermediaries. The need for cross-border payments is essential when procuring goods and services one country to the next. But, they aren’t the most convenient option due to:

  • International payment processing via banks is complex and complex.
  • Unpredictable currency exchange rates.
  • Risques of robbery or hacking or theft.

1. Operating systems that are out of date

Banks typically encounter the problem of the messaging infrastructure when it comes to cross-border transactions. The majority of payments across borders are processed using SWIFT the MT103 messaging format. It is a reliable format, but does not allow for the transfer of large amounts of information beyond the limit of. If you require more information, it’s processed via email. The manual process and non-automated messages for both parties to the exchange render this process unproductive.

2. Inefficient payment processing

Because of a lengthy and complex path that cross-border payments can stop at any time. This can lead to delays and a poor client experiences for the two parties. The cause of the delay could be due to insufficient data on the payment as well as the need to conduct sanction checks or AML checks or fraud. Because of the absence of digitalization in the information sharing process, transactions have to pass through multiple channels of communication that are sophisticated.

For instance the transfer of funds between banks internationally is the most common method of making international payments. The majority of banks are able to hold a restricted amount of currency. If a sender from the US wants for a transfer of funds into the UK and banks do not have enough stock of currency. In such a case they must rely on banks from abroad to complete the transaction. Since the smaller banks are not able to hold foreign currency, they choose for banks that are large to host cross-border transactions for them. This is only a situation, but there are many intermediaries that are involved in these processes and can cause delays to transactions.

The majority of B2B international payments are processed by banks. The transaction needs to pass through intermediary institutions such as banks, central banks and overseas banks. Each one has an accounting system that is independent. This means that the bank accounts require reconciliation and clearing with other counterparties at the same time. This process is slow which results in the need to take longer processing the transactions.

3. Privacy laws

Most banks must adhere to privacy laws for personal information. These regulations determine which client’s information needs to be shared between different areas for processing transactions. The separation, sorting, and organization of this information takes a considerable amount of time. In some countries, banks are not able to communicate information about their clients between various departments. This regulation can be implemented more effectively using a technology to simplify the whole procedure.

4. Transparency and Low Security

Regular cross-border payment uses centralized payment. Customers are required to communicate their accounts as well as other details with intermediaries. Based on this information intermediaries process remittances as well as withdrawals. These massive customer data as well as transaction information shared that are shared with intermediaries could be an easy to target for hackers. When using third-party services for trans-border transactions transaction information is accessible across multiple platforms, foreign merchants and banks. This means that the data could be exposed in these ways. Participants with the transactions can’t keep track of their payments. As a result it is difficult to determine the amount of the final payment and the date of delivery date.

5. Expensive

The fees are accumulated from the bank of the sender to banks that are correspondent to international and national banks and foreign exchange exchange at every stage of the process. The fee is typically at least 3 percent for large-volume international payments. However, it could be increased to 10% when the volumes of transactions and the values aren’t high enough. It is also not clear when financial institutions charge fees to the recipient.

For instance credit cards are a the most popular choice for people who wish to make international payments. All they have to do is fill in their card’s details and then wait for their card to be authenticated. It’s a simple process but there’s more that is happening in the background. The cross-border payments require more effort from the credit card companies and banks for the conversion of the two currencies. This additional work is a cause for cost of the transaction which is then passed on to in the process of making payments.

How can blockchain be used to solve traditional challenges in cross-border transactions?

Blockchain can be described as a distributed ledger system that is capable of overcoming the various issues with traditional cross-border payments. Although it requires a few steps to complete it allows directly-translated transactions between the payer and recipient. The transaction information is recorded in a safe distributed ledger. When the transaction is confirmed the party receiving the payment is able to access the transaction – there are no intermediaries and no delays, plus and no extra fees.

After the payment has been made it is irrevocable and is tied to all previous information in the network of blockchain. It ensures accountability and security. It is impossible to alter one piece of data, without altering the preceding blocks within the chain. The transaction is safe, faster and more affordable, as well as having all-inclusive visibility across the world. It takes about four to six seconds to process the transaction, and it reduces cost by 40 to 80%..

The following characteristics of blockchain distinguish it in the execution of cross-border payments.

Real-time: Payments are completed in a matter of seconds, providing those who need it with quick access to the funds.

Lower cost: A decrease in the number of intermediaries decreases the fees charged on payment and benefits both the financial institutions and customers.

Secured: Information is constantly added using secured Hash (linked back to previous blocks) as well as a unique identity and the time stamp. Therefore, the immutability of blockchain makes transactions secure from tampering, thereby reducing the chance of cyber-crimes.

Blockchain is unambiguous: Since it stores distinct records There is no confusion or duplicate data in the blockchain chain.

Transparent: Anyone on the blockchain is able to view all the transactions in the ledger (or the blocks) of transactions, without privacy concerns.

Through bidirectional messages and other settlement elements included in a blockchain system such as Stellar which ensures the transaction is vetted prior to making a transfer of funds. If the transaction cannot be completed, both banks or other parties are immediately informed and the funds are not transferred.

Traditional methods of sending and receiving international payments can be cumbersome and costly. They are also susceptible to mistakes and can take some time to settle. So, the use of excellent blockchain-based solutions for payment will result in quick smooth, secure, and transparent cross-border transactions. This is why the platform has gained popularity in the remittance industry because of its huge potential advantages.

Read More : https://www.leewayhertz.com/cross-border-payments-on-stellar/

Standard
Uncategorized

Stellar Wallet Development Services

We create digital wallets using the Stellar network that allow you to keep and transfer the digital currency you have. With our experience in blockchain technology, the team comprised made up of Stellar blockchain developers are able to create wallets that work on multiple platforms that include iOS, Android, web and desktops.

Our Stellar Wallet Development Offerings

Mobile Wallet

Get a secure and reliable wallet that’s secure and reliable for iOS as well as Android platforms. With market-leading features integrated We ensure that our mobile wallet provides the best user experience, and it is compatible with a variety of mobile devices.

Desktop Wallet

Our Stellar blockchain experts create desktop wallets that are ready to install for Windows, Linux and Mac operating systems. Desktop wallets designed by our team enable users to store their personal keys on their system.

Web Wallet

Our users are empowered to transfer, manage, and store their wealth using web-based wallets that are secure. We have Stellar Blockchain experts build web wallets that are secure and have advanced features, an easy-to-use interface, and support for multiple currencies.

Multicurrency Support for Wallet

We design multi-currency wallets that have a an intuitive user interface that supports multiple popular crypto currencies like ETH, Litecoin, BTC ERC-20 tokens, altcoins, and many more crypto tokens. This allows your customers to store multiple cryptocurrency assets in one single wallet.

Our Stellar Wallet Development Features

Two-factor Authentication

Users can ensure the security of their accounts by using two-factor authentication. This adds an additional protection to your wallet app by requiring users to sign in using two different methods.

Integration with various wallets

We design and develop wallets that can be carried around and easily integrated into existing applications through an API. This keeps the advantages of older systems and provides users with a safe and solid wallet solutions.

Cross-Platform Compatibility

We at Stellar Blockchain Team builds a outstanding wallet application that works with all platforms such as Android, iOS, Linux and Windows. We make sure that customers can use the wallet on any device.

Multi-Layer Security

We employ industry-standard security measures to ensure an extremely secure infrastructure for wallets that allows you to transfer, receive, and store many digital assets, without compromising security.

Chrome Extension

The wallet we design is the way that it is seamlessly integrated with Google Chrome, which happens to be the most popular platform for crypto investors. It lets them gain access to the wallet effortlessly and quickly.

Chat Transactions

With the built-in chat function users are able to quickly and effortlessly exchange their crypto assets with no limitations and without the requirement of going to an exchange platform that is decentralized.

QR Code Scanner

Incorporating our QR Code scanner feature into the wallet applications allows users to scan their wallet’s address instantly using a QR codes, which will make it easier to exchange of digital assets.

Read More : https://www.leewayhertz.com/stellar/wallet-development-services/

Standard
Uncategorized

HOW TO CREATE TOKEN ON STELLAR BLOCKCHAIN NETWORK?

The majority of startups have released the tokens they have on Ethereum due to the fact that it has an established environment that is also Turing-complete. However, Ethereum is not without its flaws also. Ethereum can handle the equivalent of 14 transactions in a second. This is becoming a serious problem now, and has caused existing dApps and dApps to be removed from to the Ethereum platform. It is therefore advisable to consider other alternatives.

Stellar Lumens is one of the most popular blockchain platforms that lets users to design a customized token to be the base of an eco-system. In this article, we’ll show you how to create and issue an account that is a part of Stellar Lumens. Stellar network.

Step 1: Make two accounts (One for Issuance, the Other for Distribution)

The first step to create an Ethereum token through Stellar Stellar platform involves establish an issuing account to distribute an amount of tokens to the distribution account. The issuing account is created to secure it once we have created tokens. We also ensure our customers that the supply of tokens will not increase in the near future.

To accomplish this, go for Stellar Laboratory and make sure you select”test. “test” tab. After that, click “Generate keypair” and take notes of the private and secret keys stored in a secure place.

Once the key pair has been created The following step will be to pay the account through the test network with the buddy bot tool. It will insert your public key in the text box and select “Get test network lumens.”

If the account is filled, you’ll get a green-colored bar that confirms your account’s successful fund-raising using tests lumens.

Create and fund another account for distribution and record the private and public keys. Once you have completed the process then you should verify that both accounts are in balance by adding every public key at the end

Step 2: Establish the trustline between two accounts

It is the next stage to establish a trustline that states that the distribution account is trusted by the account that issued it. To create a trustline, visit the page of the transaction builder and type in the public key of the distribution account in the field for the source account.

We can leave the following three fields Memo the Base Fee, Time Bounds as is and change to an operation type , and set that the default to “Change Trust.”

After choosing the type of operation as “change trust”, set the asset’s alphanumeric value to 4 or 12 depending on the amount of characters you would like to enter and then enter the asset’s code you prefer to enter. For instance, we’re making a token for the gold asset. Therefore choose Alphanumeric 4 and enter “Gold” in the field for asset codes.

Step 3. Lock the account of the issuer

The last step is to secure the issuing account to ensure that no new tokens can be issued. To do this visit the page for transaction builders and enter the public number of the account which issued the token in the field for the source account and then retrieve the next sequence number, just as previously mentioned.

Then, scroll down to choose the “operation type” as Set Options. Then, set the master weight to zero and then click “Sign transaction in signer” at the at the bottom of page.

After that, you must enter the secret key of the account you are using to the “Add Signer” field and select “Submit to post transaction endpoint,” and after that, click “submit” to finalize the transaction.

Step 4. Distribution

Once our token is established and everything is in place and everything is in place, the next step is to give the coins to the citizens. There are a variety of ways to accomplish this. One of the most important benefits of Stellar is its decentralized exchange. It is possible to create an offer to buy the tokens and then trade them on the on the live Stellar exchange.

Be sure to keep in mind the following points when you distribute tokens:

  • Inflating the supply of tokens on an established schedule using pre-authorized transactions.
  • Issue a dividend.
  • Limit who is able to hold your token.
  • Auctioning your tokens.

Today, we’ve successfully issued a token through Stellar. Stellar network. It is also more straightforward to use it is less complicated than Ethereum. The transactions made on Stellar will be faster and cheaper. Stellar system will also be more affordable and faster.

Read More : https://www.leewayhertz.com/create-token-on-stellar/

Standard
Uncategorized

HOW TO SETUP AND RUN STELLAR CORE NODE?

Stellar is a network that is decentralized with multiple nodes that comprise computers that maintain a distributed ledger that is shared. The nodes interact with each with the intention of validating and adding transaction to ledger. Stellar Core is an implementation of the Stellar Consensus Protocol. Nodes utilize it to remain in sync when working on verifying transactions and transferring their data to the ledger.

Different types of nodes

Every Stellar nodes’ fundamental functions are similar they all run Stellar Core and making connections to other peers processing transactions as well as storing the ledger’s information in an SQL databases, as well as maintaining copies of ledger data in flat XDR buckets. Horizon represents an instance of Stellar API that is supported by all nodes. In addition to the basic functions two crucial settings determine the behavior of a given node. A node may:

  • Participate in consensus on transitions validation
  • They also publish the archive, which other networks may browse to discover the entire background of the entire network.

On the basis of these two important points, nodes can be classified in four different types:

  1. Watcher
  2. Basic Validator
  3. Full Validator
  4. Archiver

All kinds of nodes are compatible with Horizon and can submit transactions to the network. The differentiator is in the process of validating transactions and publishing the history.

  1. Watcher

A Watcher maintains track of the ledger and makes transactions, however it’s not equipped to participate in the validation of transactions or to publish an archived history of transactions. This means that a watcher does not contribute anything to the network or improve the decentralization. It’s the lightest node. Watcher works well with Horizon and, if the need is just for a Horizon for instance then a Watcher is the ideal option.

2. Basic Validator

A Basic validator is a basic one with similar operational requirements and offers the same advantages to Watcher. The main difference in the Basic validator is that Basic validator is secured with the secret key and can be configured to join the consensus.

3. Full Validator

As with the Basic validator The Full Validator accomplishes the same tasks, except that it also creates an archive of history that contains some of the entries in the ledger. Although it’s expensive and difficult to use but it is a great tool for enhancing its network’s resilience as well as decentralization. New nodes joining the network or have a short time of being out of sync may look through the archives of Full validators to keep up on the history of the network.

Full validator is also able to assist with Horizon however, the companies which run them do not use them to access network data or make transactions. Instead, they prefer to use Watcher alongside Full Validator to handle Horizon.

4. Archiver

As a Full validator an archiver reports on the events of the network, but isn’t a part of consensus. Its use is comparatively restricted. If the goal is running a Stellar-compatible application like blockchain explorer, archives must be running. Utilize an archiver when you need to use the network as a reference that is not likely.

Environment set-up

There are a variety of methods for installing Stellar Core. Once installed, it can be programmed to join the network at various levels such as Watcher, Basic Validator and Full Validator. However, regardless of how Stellar Core is installed, it’s essential in order to be connected to a peer-to -peer network, record the ledger’s data in the database, and join Stellar API, Horizon. Stellar API, Horizon.

  • Calculate the requirements

Stellar Core PostgreSQL works well on an m5.large in AWS with twin-core 2.5GHz Intel Xenon and 8GB RAM. Storage-wise, 1TB of storage space is considered as a minimum. In the event that Stellar Core is running in combination with Horizon make sure that the system configuration is ready to meet the needs of Horizon’s computing requirements.

  • Access to the network

Stellar Core connects to a peer-to peer network to keep the ledger up-to-date. This means that the node has to keep certain TCP ports open for both communication inbound and outbound.

Inbound Stellar Core node allows all IPs to connect to its PEER_PORT using TCP. Ports can be defined when configuring Stellar Core, but the default port (11625) is the most commonly used.

Outbound Stellar Core needs to connect to other nodes using PEER_PORT via TCP. Details about other nodes PEER_PORT may be located on a network explorer like Stellarbeat.

Install Stellar Core

Installers can use Stellar Core in three ways using an image from Docker built from pre-built packages or build directly from sources. In this article, the two first methods are described; installing from source will require building instructions.

  • Installing Docker using the Docker protocol:

SDF maintains a quickstart image that includes Stellar Core with PostgreSQL database and Horizon. It’s an easy method to create an ephemeral, non-validating configuration that is compatible with the majority of developers. SDF also manages Stellar Corre as a standalone image that creates a three node local Stellar Core network, all hosted on the same Docker host. Furthermore, SatoshiPay maintains Docker’s separate image for Horizon and Stellar Core. It comes in a variety of variants, such as one with AWS CLI running as well as one that comes with Google Cloud SDK installed.

  • Installation based on packages :

for Ubuntu 16.40 LTS customers There’s Stellar Core and Horizon’s latest version with Debian Binary package formats. These packages are installed separately, allowing the greatest flexibility, but not requiring manual configuration files or an PostgreSQL database. There is also you can install an excellent quickstart package is also available. It sets up the Testnet Stellar Core and Horizon that are both supported by the Local PostgreSQL database. It is also able to be altered after it is installed.

Configuration

After installation, the following step is to create an configuration file that explains crucial information about the nodes such as the database they write to and whether it is connected to a public network or testnet, and what other nodes are part of the Quorum Set. This is accomplished by using TOML. By default, stellar core loads the file from ./stellar-core.cfg. Another file may be loaded by using the command:

1. Database

Stellar Core has two copies of the ledger. One in an SQL database, and the second in XDR files stored on local disks referred to as buckets. In the event of consensus it is the database that is checked and changed automatically whenever a transaction set is added in the ledger. It’s quick, precise and has random access.

2. Buckets

Stellar Core stores a copy of the ledger in flat XDR files, referred to as buckets. These files are kept in the directory defined within the configuration files, which is named BUCKET_DIR_PATH that is the default setting for buckets. Bucket files perform the hashing, as well as transmitting ledger changes to archives from the past. Rapid local disks that have sufficient space are needed for storing buckets. For the most part the contents of buckets and databases is handled via Stellar Core to be ignored. When you run Stellar Core on the first occasion, you must initialize buckets and databases with these commands.

Read More: https://www.leewayhertz.com/run-stellar-core-node/

Standard
Uncategorized

HOW TO RUN STELLAR API SERVER?

 Stellar is a distributed and open network that allows for the transfer of and storing funds. Jed McCaleb, the founder of Stellar was the one who created Stellar in the hope of providing people with the ability to transfer their fiat currencies with cryptocurrency easily.

Developers who develop applications on foundation of Stellar network application by using Stellar SDKs that they use in the programming language they prefer. SDKs in turn communicate with Horizon Stellar-network API. Horizon offers a means to verify accounts, join to events and make transactions.

Stellar ecosystem runs an API server dubbed Horizon. It functions in the role of an interfacing to Stellar Core and the applications that are part of the Stellar network. It also offers HTTP API for data on Stellar Core. Stellar network. It collects all the data in it’s Stellar network and serves it in a format that is simple to use.

There are many benefits to Horizon’s operation: Horizon using your infrastructure

  • Complete operational control, without any dependence from Stellar Development Foundation. Stellar Development Foundation
  • Set up multiple instances for capacity and redundancy
  • Limiting the rate of request to ensure access to the network

Prerequisites

Horizon is dependent in the PostgreSQL server to store information processed and ingested by Stellar Core. The PostgreSQL Version 9.5 or higher is required to run Horizon.

The additional RAM required is to host Captive Core’s memory database, which would amount to about 3 GB. The other requirement is contingent on the volume of network’s history that you can access from Horizon. Horizon instance. It could be anything from a few GBs up to 10s of TBs for the entire history of ledgers ingested.

Installation

Primarily, prebuilt binaries from Stellar repositories must be installed prior to installing Horizon. If you’re not keen to install prebuilt releases there’s a different option. It is necessary to build Horizon from source. There are a few developers tools must be installed for this purpose:

  • OS that is similar to Unix that uses common fundamental commands like mkdir bash, cp, etc.
  • Go1.15 or later
  • Git

Configuration

Parameters

Both command-line flags as well as environment variables can be used to configure Horizon’s configuration. The following command will check the list of command-line flags as well as their default values, and the associated environmental variables:

Horizon – Help

The command above will show many flags, however only a handful of them are required. The three most crucial parameters are:

  • -db-url: It indicates Horizon database, and the value must be an authentic PostgreSQL link URL.
  • -captive-core-config-append-path: It points to a Captive Core configuration stub.
  • -stellar-core-binary-path: It is a file system path to a Stellar Core binary. Horizon searches the PATH for stellar-core automatically; however, if the environment is properly configured it will not be a requirement to enter the path manually.
Make the database

Create the Horizon database prior to operating the server. The database needs to store all Horizon data, including historic information about transactions on the Stellar network. A new database with no data was created using the PostgreSQL server exclusively for use by Horizon. Next, you need to install the schema using Horizon db init. In Postgre configuration set random_page_cost=1. It allows the query planers to make more efficient use of indexes, specifically for queries using JOIN. Additionally, this setting dramatically increases the speed of certain queries.

Read More : https://www.leewayhertz.com/run-stellar-api-server/

Standard
Uncategorized

HOW TO CREATE STELLAR SMART CONTRACTS?

A smart contract is a computer protocol that verifies, facilitates, or enforces contract execution or negotiation. Smart Contracts enable for the completion of transactions without the involvement of a third party.

Smart Contracts allow for the conflict-free and transparent exchange of money, shares, property, or anything of value without the involvement of an intermediary. To describe smart contracts, we’ll use the example of a vending machine. Most of the time, you see a notary or a lawyer, pay them, and then wait for the paperwork to arrive.

Smart contracts, on the other hand, require only the placement of a crypto token, such as bitcoin, in a vending machine to activate your escrow, social identity, or other services. Regardless of what is put in the account

Smart contracts also impose fines and limits in the same way that traditional contracts do, but they do so automatically. This tutorial will show you how to create smart contracts on the Stellar Blockchain, one of the greatest blockchain systems for decentralised financial transactions.

How do Stellar Smart Contracts function, and what are they?

Smart contracts are referred to as Stellar Smart Contracts on the Stellar Network. A Stellar Smart Contract (SSC) is a collection of completed and connected transactions that are linked by a set of rules. The following are some examples of limits that can be employed when designing SSCs:

  • Multisignature:

what keys are required to authorise a specific operation? What parties must agree on a condition before action can be taken? The concept of requiring many parties’ signatures to sign transactions originating from a single account is known as multisignature.

  • Atomicity/Batching:

What operations must all be completed at the same time or the system will fail? What must occur in order for anything to succeed or fail? The concept of batching is to combine multiple actions into a single transaction. When a series of operations is sent to the network, atomicity ensures that if one of them fails, the entire transaction will fail.

  • The sequence:

Is the order in which a transaction series should be conducted. What are the limitations and repercussions? The concept of a series is represented on the Stellar Network by a sequence number.Using sequence numbers to ensure that specific transactions do not run if another transaction is filed is a solid idea when it comes to transaction manipulation.

  • Limitations on Transactions:

When may a transaction be completed? The length of time a transaction can be valid is defined as a time restriction. In an SSC, time periods can be represented using time boundaries.

Read More : https://www.leewayhertz.com/create-stellar-smart-contracts/

Standard
Uncategorized

HIRE STELLAR DEVELOPERS

Our blockchain experts create Fintech Applications using Stellar technology to enable quick secure, low-cost and reliable payments. Stellar Blockchain experts can assist with everything from smart contracts to complicated blockchain-based payment infrastructures that allow point-to point transactions.

Services provided from our Stellar Developers

Stellar Blockchain Consulting

Our Stellar Consultants provide expert advice on how to implement Stellar technology to maximize ROI and increase your business’s success. We determine if Stellar is appropriate to meet your needs or not, and then identify the technical elements and tools needed to build an app that runs on Stellar. Stellar platform.

Smart Contracts Development

We design and develop Stellar Smart Contracts to execute automated transactions using Stellar Blockchain. Stellar Blockchain network. Stellar’s Stellar developers design smart contracts that run and connected by utilizing various constraints, such as multisignature, batching time bounds, and sequence

Stellar dApp Development

The Stellar Developers team develops decentralized Fintech applications that support cross-border payment applications as well as cryptocurrency exchanges and micropayments and platforms to purchase in-game items. We utilize Stellar’s API Server and Horizon to create strong and secure apps that connect to the majority of financial tools.

Stellar Wallet Development

Engage our Stellar Experts to help you design the Stellar Wallet application to save every digital currency. We create a safe online wallet mobile wallet, mobile wallet, and Bitcoin wallet that allows you to create, transfer, receive trading, swapping and trading tokenized digital currencies and assets with lightning speed.

Smart Contracts Audit

We can help you recognize the potential risks and losses caused by problems that are present in Stellar Smart Contracts. The team at Stellar Developers have in-depth known and domain-specific expertise in providing detailed audit reports of your current Stellar smart contracts, as well as assisting in the development of better contracts.

Dedicated Stellar Developer

We permit you to build your own Team of Stellar Blockchain developers who are dedicated to working for your venture. You can recruit experts from the Stellar Blockchain Development team to can manage their work according to your needs.

Read More : https://www.leewayhertz.com/hire-stellar-developers/

Standard