Here is an article on the construction of a hexagonal data load on the interaction of the contract:
Building a Hexadecimal Details of the Integration of the Agreement
Once you interact with external intelligent contracts, it is necessary to ensure that your application is properly sent by the data load to the contract. A well -built payload is essential for the completion and success of the question.
In this article, we will look at how to build hexagonal information using JavaScript, which can be sent to an agreement by web3.js or other bookstore.
Understanding the payload of contract information
The benefit of data on the contractual impact consists of three main components:
- ABBA Contract: The binary interface of the agreement is defined by signatures and parameters.
- DATA PERSONAL LURNA : JavaScript object containing the actual information to be submitted to the contract.
- Gas Restrictions : A gas threshold that determines the maximum amount of gas available for sale.
Building Data Benefit
We use the following steps to build a useful hexagonal load load:
- Create the Application of the ABI Agreement: Download the agreement from the ABI JSON file or URL.
- DATA BY LEARCH : Create a JavaScript object containing the actual information to be submitted to the contract.
- Series Data Purchase Load : Converts the payload of data analyzed in a hexadecimal string that can be used as a payload data in websockes or other protocols.
Here’s an example:
`Javascript
// Imports Required Bookstores
Const Web3 = Requirements (‘Web3’);
Const abi = requirement (‘./ contrattabi.json’); // upload agreement abi
// Create a new web3 application
Const Web3 = New Web3 (Window.ethereum);
// Set the Data Payroll (Example)
Enter dataapapayload = {
// Functional and recovery parameters
‘function’: ‘myfunction’,
‘Income’: [
{Name: ‘Param1’, Type: ‘string’},
{Name: ‘Param2’, Type: ‘number’}
],],
‘Name’: ‘MyFunction’,
‘Outputs’: [],
‘Stemutability’: ‘Show’,
‘Virtuals’: []
};
// analyzes the payload of data
DataPayload = JSON.PARS (JSON.StrincIFY (datapayload)); // a deep clone object
// Series data load on a hexadecimal string
leave hexdata = ”;
Web3.eth.abi.encodEabi (abi, dataapaYload) .n ((abystes) => {
Hexdata = abys.tostring (‘hex’);
}). Catch ((error) => {
Console.error (error);
});
Console.log (`hex data payload: $ {hexdata});
`
Example use of case
In this example, we use the 'MyContract' Ether.JS contract, which allows us to interact with external agreements. We create a new application for Web3 and download the contract to ABI.
Javascript
Const mychact = abvet web3.eth.contract (ABI);
`
So we define our data payload:
Javascript
Enter dataapapayload = {
Function: “MyFunction”,
Input: [
{Name: ‘Param1’, Type: ‘string’},
{Name: ‘Param2’, Type: ‘number’}
],],
Name: “MyFunction”,
Departure: [],
Stemutability: “Show”,
Virtual: []
};
`
Later we analyze and series the payload of the data:
Javascript
Let hexdata = web3.eth.abi.encodEabi (abi, dataapayload) .n ((abystes) => {
// …
}). Catch ((error) => {
Console.error (error);
});
``
Finally, we record the hexadecimal, which leads to the console.
conclusion
Building a payload of hexadecimal data on the interaction of the contract requires careful consideration of the ABI, the payload of data and gas restrictions. After these points and examples, you are well equipped to create solid and effective applications that interact with external intelligent contracts. Be sure to always check the documentation of libraries and framework to ensure compatibility and best practices.