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Solana: How do I retrieve instruction data from a transaction in python?

Published by Terlumun Aondover on February 13th, 2025.

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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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