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Merging Transaction Statements in Solana
When working with transactions on the Solana blockchain, it is essential to understand how to combine multiple statement requests into a single transaction. This is crucial for efficient and secure execution of complex transactions. In this article, we will explore how to merge two transaction statements into one transaction using Python.
Prerequisites
Before diving into the code, make sure you have the following:
- A Solana node (e.g. Solana CLI or a local development environment)
- The
solana-program
library installed (pip install solana-program
)
- Familiarity with the Solana instruction set and its various types
Understanding Transaction Statements
In Solana, a transaction consists of multiple statements that perform various operations. Each statement is represented as an object containing relevant information such as the program ID, compute budget instructions, and more.
For this example, we will use the solana-program
library to create two separate transactions with different instructions. We will then merge these transactions into a single transaction using Python.
Merging Transactions in Solana Using Python
«`python
import solana_program
Set initial transactions as dictionary-type objects
instruction1 = {
‘program_id’: ‘my_token_program’,
‘compute_budget’: [{‘program_id’: ‘my_swap_program’, ‘args’: [‘token_1’]}, {‘program_id’: ‘my_other_swap_program’, ‘args’: [‘token_2’]}],
‘payment_info’: solana_programPaymentInfo(
1000,
payment amount in base unit (e.g. SOL)
10,
payment token
solana_programPaymentType(
1,
payment type (e.g. payout or transfer)
0.01
payment fee payment
)
)
}
instruction2 = {
‘program_id’: ‘my_swap_program’,
‘compute_budget’: [{‘program_id’: ‘my_other_swap_program’, ‘args’: [‘token_2’]}],
‘payment_info’: solana_programPaymentInfo(
1000,
payment amount in base unit (e.g. SOL)
10,
payment token
solana_programPaymentType(
1,
payment type (e.g. payout or transfer)
0.01
payment fee
)
)
}
Merge transactions into a single transaction using Python’s built-in functions
def merge_transactions(transaction1, transaction2):
Create a new transaction object
transaction = solana_program.Transaction(
program_id=transaction1[‘program_id’],
accounts=[{
‘account_id’: ‘m’,
Sender’s account ID
‘key’: solana_programKey(
0,
‘m’,
1,
key version (e.g. 1 or 2)
‘m’
)
}],
programs=[transaction1[‘program_id’], transaction2[‘program_id’]]
)
Combine the two transactions into one
combined_transaction = solana_program.Transaction(
program_id=transaction1[‘program_id’],
accounts=[
{
‘account_id’: ‘combined_m’,
Sender’s account ID
‘key’: solana_programKey(
0,
‘combined_m’,
1,
key version (e.g. 1 or 2)
‘combined_m’
)
},
{
‘account_id’: ‘m’,
Sender’s account ID
‘key’: solana_programKey(
0,
‘m’,
1,
key version (e.g.
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