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The purpose of this class is to define and implement transaction structure, fields, serde process transaction serialization and deserialization and set schema validation rules. We need to inherit extend base Transaction class to follow GTI rules. Your custom transaction fields must be defined inside the BusinessRegistration transaction class. They follow the rules of the inherited Transaction class. You can introduce any number of new fields and their respectful types.
All new fields will be stored in the base transaction field called transaction. The source-code snippet below introduces custom fields with interfaces. Defining new custom transaction fields with an interface. Link To Source Code. The defined interface makes use of new custom transaction fields stricter and is part of the serde process. We need to implement custom serde methods that will take care of the serde process for our newly introduced transaction fields.
Abstract methods serialize and deserialize are defined by the base Transaction class, and are automatically called inside our custom class during the serde process. Implementation of abstract methods in our new class. Each custom transaction is accompanied by enforced schema validation. To achieve this we must extend base TransactionSchema and provide rules for the custom field validation fields introduced in IBusinessRegistrationAsset.
Schema is defined with AJV and we access it by calling the getSchema method inside your new transaction class, in our case BusinessRegistrationTransaction.
Custom fields schema definition. All transactions from the release of core v2. By omitting the typeGroup value, core will fall back to typeGroup: 1 , which is the default Core group. Type group and transaction type definition.
This should give us unique transaction type registrations across the ARK bridgechains ecosystem. TypeGroup is something that can be unique to a specific bridgechain and makes transaction numbering easier each type group can start its own numbering scheme from start.
This class implements the builder pattern. We use it to build and sign our transaction payload. Builder class handles versioning, serde process, milestones, dynamic-fee logic and all cryptography related items sign, multisign, second-sign, sign with and without WIF, nonce logic.
The source-code snippet shows the usage of the BusinessRegistrationBuilder class link below the code snippet will take you to the actual class implementation. Code usage of the BusinessRegistrationBuilder class.
Click here for actual Builder Implementation. The previous two classes, Builder and Transaction , introduced a new transaction type, implemented the serde process, and created signed transaction payload.
In this part of custom transaction implementation, we will be handling verification and validation, following strict blockchain mechanics consensus rules, transaction, and block processing. By inheriting default TransactionHandler behavior we enforce existing GTI rules and provide options to implement additional transaction apply logic. Apply logic consists of basic rules, for example, i.
We will explain GTI TransactionHandler and the role it plays in our blockchain protocol in the following sections:. We must define the Transaction Type registration order if our custom transaction e. BusinessRegistrationTransaction depends on other transactions e. MultiSignature — in short, the MultiSignature transaction must be registered before ours. We define transaction dependencies by using the dependencies method call, where we return an array of dependent classes.
The source-code snippet shows how we return MultiSignatureTransaction as a dependent class for BusinessRegistrationTransaction. Registering dependent transaction types. Usually, we want to add custom properties to our global state the walletManager class. These properties need to be quickly accessible memoization and searchable indexed.
We will accomplish this with the walletAttributes method, where we define the keys for our wallet attributes. Keys can be set during runtime by calling wallet. We set the attribute value during the bootstrap method call. When we are done with custom wallet attribute value changes, a reindex call is recommended on the walletManager. Bootstrap process is run each time a core node is started. It introduces fast, theft-proof payments, automatic distribution of digital assets along with KYC and AML regulatory compliance.
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Decentralized exchanges Exchange fiat and multiple digital assets on secure decentralized exchanges based on fast, efficient blockchain technology that ensures security and protection from hacking. Digital assets Create digital assets to accelerate internal value transfers, buy and sell rapidly across national boundaries, and generate funds for growth. Public blockchains Custom public blockchains let you deliver services outside your organization, giving you control over user account permissions while you manage payments, transfer data, and reduce counterparty risks.
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Decentralized trading platform Aetsoft shared its technical expertise in the development of a decentralized exchange running on top of the BitShares blockchain.
Abstract methods serialize and deserialize are defined by the base Transaction class, and are automatically called inside our custom class during the serde process. Implementation of abstract methods in our new class. Each custom transaction is accompanied by enforced schema validation. To achieve this we must extend base TransactionSchema and provide rules for the custom field validation fields introduced in IBusinessRegistrationAsset.
Schema is defined with AJV and we access it by calling the getSchema method inside your new transaction class, in our case BusinessRegistrationTransaction.
Custom fields schema definition. All transactions from the release of core v2. By omitting the typeGroup value, core will fall back to typeGroup: 1 , which is the default Core group. Type group and transaction type definition. This should give us unique transaction type registrations across the ARK bridgechains ecosystem. TypeGroup is something that can be unique to a specific bridgechain and makes transaction numbering easier each type group can start its own numbering scheme from start.
This class implements the builder pattern. We use it to build and sign our transaction payload. Builder class handles versioning, serde process, milestones, dynamic-fee logic and all cryptography related items sign, multisign, second-sign, sign with and without WIF, nonce logic. The source-code snippet shows the usage of the BusinessRegistrationBuilder class link below the code snippet will take you to the actual class implementation.
Code usage of the BusinessRegistrationBuilder class. Click here for actual Builder Implementation. The previous two classes, Builder and Transaction , introduced a new transaction type, implemented the serde process, and created signed transaction payload.
In this part of custom transaction implementation, we will be handling verification and validation, following strict blockchain mechanics consensus rules, transaction, and block processing. By inheriting default TransactionHandler behavior we enforce existing GTI rules and provide options to implement additional transaction apply logic.
Apply logic consists of basic rules, for example, i. We will explain GTI TransactionHandler and the role it plays in our blockchain protocol in the following sections:. We must define the Transaction Type registration order if our custom transaction e.
BusinessRegistrationTransaction depends on other transactions e. MultiSignature — in short, the MultiSignature transaction must be registered before ours. We define transaction dependencies by using the dependencies method call, where we return an array of dependent classes.
The source-code snippet shows how we return MultiSignatureTransaction as a dependent class for BusinessRegistrationTransaction. Registering dependent transaction types. Usually, we want to add custom properties to our global state the walletManager class.
These properties need to be quickly accessible memoization and searchable indexed. We will accomplish this with the walletAttributes method, where we define the keys for our wallet attributes.
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Blockchain development services
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Custom Blockchain Development Services. Build Secured Transaction with Custom Blockchain Development Services Blockchain is a digitized and decentralized open records that exist in the blocks by Cryptographic validation.
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Blockchain business application development
Your custom transaction fields must be defined blockchain the BusinessRegistration transaction class. Create digital assets to accelerate internal value transfers, buy and development rapidly custom national boundaries, and generate development for growth. We definitely plan to use them for future projects! Available apply blockchain — needing implementation in our classes. Application process. By building next-gen distributed tech, our software developers bring in ultimate operational security and peace of mind application your enterprise stakeholders.
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