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I know this exists for the Rust client: https://solanacookbook.com/guides/get-program-accounts.html#facts But not sure if it works inside a solana onchain program? Has anyone tested this before?

If I wanted to do some funds distribution from a Solana program, what would be the best way to do so structurally? Say I wanted to maintain some distribution endpoints. E.g.: treasury, treasury_pct …

There is two ways of ensuring the bump First: Client side passed as parameter to be stored program side const [pubkey, bump] = findProgramAddress() program.methods.myMethod({bump}) Second: Solana pr …

What is the most seamless way of collaborating with other protocol devs on the same program? Are there any best practices for handling Anchor params like file-paths, symlink and better keypair handlin …

Error here when running anchor build on version 0.30.0. It turns out I was simply using <generic_program>::ID.key() and i just needed to remove .key(), so <generic_program>::ID

Relating to a previous question: LINK, which covered SOL -> WSOL. I am building an anchor program that transfers Tokens from one account to another (input and output): pub struct Payment<'info> { …

I want to test my solana program on mainnet. I know that on devnet the deployment costs 5 SOL. So I was wondering whether I could close the program account and get some of the deployment funds back?

In my Solana program, users can create program-owned accounts. Although maybe they want to close it because it is no longer necessary and want to recoup the account rent/fees. I assume that closing p …

Let us suppose users are able to create a program-owned-account: PurchaseItemAccount, which is deployed as: { id: u64 price: u64 } After some time, I then decide to add a field, purchase_timesta …

These are the 2 use-cases that I am looking for in my Solana program verify that a cNFT owner signed a transaction perform a Cross-Program-Invocation to the Bubblegum program

For security reasons, I know that we should check for the account owner of certain accounts. Although, if I recall correctly, Anchor already does this by default?

pub struct Example<'info>{ pub mint: Account<'info, Mint>, pub system_program: Program<'info, System>, pub token_program: Program<'info, Token>, pub rent: Sysvar<'info, Rent>, pub …

Let us suppose that you want to update an account state to include a new field. pub struct MyState { pub a: u8, pub new_field: u8 } This means that fetching and decoding the old accounts prior to …

Is it possible to start a local validator with my Solana program already deployed? Or do I have to do 2 separate commands? One first starting the validator, another for deploying?

Background: In my application I am creating an account to store some arbitrary information. I then want to display the transaction id/address of the transaction that created such an account. Question: …