Title: Solana: inconsistency between program ID and anchor definitions – a guide to solve the problem
Introduction
When you implement a smart contract based on solidity on Blockchain Solana, a common challenge occurs when you try to test your anchor definition. The ID of the intelligent contract program will often be inconsistent with its definition of anchor, causing problems during testing. In this article, we will explore why this is happening and we will provide guidance on how to resolve the inconsistency.
Why the ID of the program and the definition of anchor happens the inconsistency
In solidity, the function of a program is defined using the keyword function followed by a type of return, list of parameters and locking instructions (if any). The ID of the intelligent contract program is determined by its genesis configuration. When creating an anchor for testing purposes, the developer usually sets the program ID to match the expected value.
However, during implementation, it is possible that the own program of the program may not be in accordance with the definition of the anchor for different reasons, such as:
* Genesis configuration update : If the Genesis Configuration is updated after the contract implementation, it can modify the program ID.
* Manual implementation : The developer could intentionally update or intentionally update the ID of the Manual Program.
* Incorrect chain code : The problems with the chain code can lead to inconsistencies between the expected and actual program IDs.
ID of inconsistent program during testing
When testing an anchor on Solana, the use of a parametercontractheadeddress which is different from the value envisaged in the Genesis Configuration causes an inconsistent program ID. This inconsistency will make the execution of the contract function fail.
Solving inconsistency
To solve the inconsistency between the program ID and the definition of anchor:
- Verify Config Genesis : Make sure the Genesis Configuration is correct before the contract implementation.
- Use the parameter
contractheadeddress: Set the contract parameter in your test code to match the expected value in the Genesis Configuration.
- Re-circumcised test
: After making changes, re-zero test suite to ensure consistency.
Conclusion
The incoherence between the program ID and the definition of anchor can cause problems during testing. However, with a few simple steps, you can solve these inconsistencies and successfully test your solar anchors. Remember to check the config genesis and use the Contractaddress` parameter to ensure accuracy in your tests.
additional resources
- [Documentation of solar developer] (
- [Solar testing guide] ( testing-guide/)