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I can help you write an article on Solana: How do “solana program deploy” decide it’s new deploy or upgrade?
Title: Decoding Solana Program Deployments: Understanding the Process
Introduction:
Solana is a fast and scalable blockchain platform known for its high-performance DeFi applications. One of the critical components that enables these applications is the “program deploy.” In this article, we’ll delve into how program deploy decisions are made on Solana, specifically focusing on whether a new deployment or upgrade occurs.
How Program Deploy Decisions Are Made:
Program deploy decisions are primarily driven by two factors: program keypair existence and program contract functionality. Here’s a breakdown of the process:
- Public Address Existence Check: Before deploying a new program or upgrading an existing one, Solana first checks whether the program’s public address exists on the network. This is done using the
solana-program-keypaircrate to verify the existence and correctness of the keypair.
- Program Contract Functionality Evaluation:
Once the public address existence check passes, Solana evaluates the program contract functionality. The evaluation process involves:
* Checking for any known issues or bugs in the program contract.
* Verifying that all necessary contracts are included in the new deployment or upgrade.
* Ensuring that the program’s logic and behavior comply with existing rules and constraints.
Deploy vs. Upgrade:
Both deploy and upgrade deployments involve similar steps on Solana:
- Initial Deployment: The first time a new program is deployed, it undergoes an initial deployment process. During this step:
* The public address existence check passes.
* Program contract functionality evaluation occurs.
- Upgrade:
If the program contract needs to be updated or improved, an upgrade deployment takes place. In this case:
- The existing program contract is upgraded using the
solana-program-upgradecrate.
- The new upgrade process involves:
+ Verifying the existence and correctness of the public address.
+ Evaluating the new program contract functionality.
Questions:
- Does it check whether the program keypair’s public address exists or not, to determine if a new deployment or upgrade is required?
Answer: No, Solana first checks whether the program’s public address exists on the network using solana-program-keypair.
- What determines whether a new deployment or upgrade occurs?
Answer: The existence and correctness of the public address, as well as evaluation of program contract functionality.
Conclusion:
Program deploy decisions on Solana involve a combination of public address existence checks and program contract functionality evaluations. By understanding these steps, developers can ensure that their programs are deployed correctly and efficiently on the Solana network.