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Can salt transactions be sandwiches or moved between individual instructions?
When it comes to carrying out transactions in decentralized applications (DAPP), such as Solana, understanding how the different instructions are combined and executed, is crucial for programmers. One of the key aspects of DAPP development on salt is the ability to combine many instructions in a single transaction, known as « combination of instructions ». However, what will happen if you try to change or sandwich these instructions between individuals? Can the attacker modify the order of surgery in one way or another?
Order instructions and execution
In Solan, each instruction has its own unique piece. The first instruction is carried out immediately, then the subsequent instructions in a specific order. This means that any modification of the original instructions will replace a modified version instead of allowing grouping or a sandwich.
For example, consider a simple transaction in which you combine two instructions: « Implementation of the program » and « Definition of administrator control / owner ». If you put indirect instructions between these two orders, it may seem that it is possible to manipulate the order. However, this is not possible due to the mechanism of organization of Solana’s instructions.
Compliance with instructions
To understand why it is impossible to modify salting instructions, check how the instructions combinations process works. When creating transactions with many instructions, they are carried out in the following order:
- The first instruction is carried out immediately.
- All subsequent instructions in a specific order are executed.
- If the indirect manual is present, it will replace any modified version of one of the original instructions.
Sandwich instructions
Now let’s think about what will happen if you try to think of a manual between two other instructions:
- Instructions 1 (a): Implementation of the program
- Instructions 2: Definition of Administrator / Owner Control
- Indirect instructions B (C): … a code …
- Instructions 3: Administrator / owner control parameter (replaces instructions 2)
In this example, instructions 3 (instructions « Administrator / owner parameter ») will replace the original instructions (instructions 2), instead of allowing grouping. This is due to the fact that the indirect instructions (instructions B) are placed between two original instructions and modify one.
Application
Although it may seem that it is possible to manipulate the order of surgery through sandwich instructions, the mechanism of combination of Solana instructions prevents it. Any attempt to modify or modify individual instructions will be replaced by subsequent instructions in a specific order. This is the basic aspect of the Solana control system and provides safe patterns to make DAPP transactions.
Additional resources
- Solana development documentation: [Combination of instructions] (
- API Solana documentation: [Program instructions] (
Note: This article is intended only for information purposes and should not be considered professional advice. In the case of more complex questions or problems, it is recommended to consult a qualified programmer or engineer.