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Here is an article on how to retrieve statement data from a transaction in Python:

Retrieving instruction data from a Solana transaction using Python

As a developer who uses Solana and Solders for programming tasks, you are probably familiar with the ‘solana-program’ library. In this article, we will discuss the process of retrieving instruction data from a transaction using Python.

Prerequisites

Before you dive into the code, make sure you have:

• Solana public key (if not already generated)

• Installed solana-program library (pip install solana-program)

• py-solana library for interacting with the Solana network (pip install py-solana)

Sample Code

Assume you have a transaction containing declarative data:

import pers
py_solana import SolanaClient









Load the Solana client instance from environment variables or a configuration file
Client = SolanaClient(os.environ.get('SOLANA_KEY'))

Create a new transaction and add instructions
tx_hash = 'your_transaction_hash' 
Your transaction Replace with the actual hash
instruction_data = {
'key1': 'value1',
'key2': 'value2'
}
new_tx = client.transaction.add_instructions(
tx_hash,
instruction_data,
)

Downloading instruction data

To get instruction data, you can use the get_instruction method in a transaction:

Get instruction data from a transaction
instruction = new_tx.get_instruction('key1')
print(instruction.data) 
Output: {'value1': 'value1'}

Or to get all statements in a transaction
instruction = new_tx.get_instructions()
For instructions in instructions:
print(instruction.data)

get_instruction contains instruction data Note that a dictionary is provided. If you need to access specific fields, make sure they are defined in the instruction_data dictionary.

Error Handling

Remember that error handling is very important when working with Solana transactions. Make sure you check the return values ​​and handle potential exceptions:

Try:

Get instruction data
instruction = new_tx.get_instruction('key1')
print(instruction.data) 
Output: {'value1': 'value1'}
solana exception.exceptions.TransactionFailedError as e:
print(f"Transaction failed: {e}")

`

Application

Recovering instruction data from a Solana transaction using Python is a simple process. By following these steps, you can download the required data and continue with the program. Remember to always handle errors and check return values ​​to ensure that your code runs smoothly.

As a beginner in the world of Solana programming, this should give you a solid understanding of how to work with instruction data. If you have any questions or need further assistance, just ask!

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