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Your explorer link just points to a normal account so its not a PDA and its not intialized. … From your comments it looks like you want to transfer a token from a token account where the owner is a PDA. …

I think bn is little endian. I just tried it in a progam and this works: Try in the client: const extraSeeds = new anchor.BN(10).toArrayLike(Buffer, "le", 8); const [playerPDA] = anchor.web3.PublicKe …

If you have big structs you can use zero copy and move everything to the heap. This struct for example would not fit on the stack, but with zero copy you can access it directly in memory: const BOARD_ …

Pretty sure its a problem with the case_id. Could you try: const [versionPda, _] = await anchor.web3.PublicKey.findProgramAddressSync( [ Buffer.from("version"), casePDA.toB …

different ways to work with big accounts: https://github.com/solana-developers/anchor-zero-copy-example/blob/main/programs/zero-copy/src/lib.rs The error you are getting indicates that you are using a PDA …

You need to instead change hte lamports directly if you want to substract from a PDA. Here is an example explaining the difference: https://beta.solpg.io/tutorials/tiny-adventure-two …

You can not use system program transfer with a PDA that is owned by your program. Only with accounts that are owned by the system program. …

This is because to find a PDA that is off curve internally anchor calls create_program_address repedadly with decreasing bumbs until it finds a PDA thats not on the curve. … { "Find PDA" => Pubkey::find_program_address(&[b"counter"], ctx.program_id); } // 1,651 CUs compute_fn! …

If you just want a unique PDA you could just save a counter in an account and increase it with every new PDA like here: https://github.com/brimigs/solana-payroll/blob/main/anchor/programs/payroll/src/lib.rs …

If you know the seeds you can use connection.onAccountChange to listen to account changes via web socket. You can then subscribe to all the accounts you are interested in. If you use an ascending id a …

What i suspect is happening is that you are requesting the PDA data with a 'finalized' confirmation flag. This one would not get you the new value until the transaction is finalized. …

Some ways to debug this: Print the transaction before you send it and make sure all the accounts are the same and double check mut and signer parameters. console.log(JSON.stringify(tx)); Skip prefl …

space = 10240, // 8 + all the tiles a game config seeds = [level_seed.as_ref()], bump, )] But you would need to make sure somehow that only the correct people can change your PDA …