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The SPL token program has an approve instruction that allows a specified "delegate" address to transfer or burn up the the approved amount. Here is a reference from the solana cookbook. You can create …

Here are the docs on versioned transactions and address lookup tables. Here is a guide on how to use address lookup tables and versioned transctions./ …

Here the instruction is being built, where the keys specify the accounts that the instruction requires. In this case there is only 1 account (payer.publicKey) and it is required to be a signer. The ac …

Not sure about the cause of the error you're getting, but here are two examples from the Solana Developers repo you can reference for using PDAs and transferring SOL within a native Solana program. ht …

You can try using Helius's "Parse Transactions(s)" API that returns parsed transactions. You can include up to 100 transaction signatures in a single request. … And there's a free tier you can use. https://docs.helius.xyz/solana-apis/enhanced-transactions-api/parse-transaction-s const parse_transaction_url = `https://api.helius.xyz/v0/transactions/? …

Instructions in a transaction are processed in order. So the order you add the instruction to the transaction is the order the of the program logs. You can also use msg!("Some Message") to add additio …

The "destination" where you currently have toPublicKey should also be a token account address. const transferTokensToSellerIx = createTransferInstruction(fromTokenAccount, toPublicKey, publicKey, 2) …

When a Solana Pay QR code is scanned by a wallet, the wallet sends a post request to the transaction request URL with its public key. When building the transaction to return the wallet, you can use th …

Since your user first signs the transaction and then you sign with a private key in the backend, you may need to use partialSign. You may be getting the "Signature verification failed" error because u …

If you are sending the transaction through Phantom's ui, it likely automatically sets your address as the transaction fee payer since you are the one sending the transaction. By default, the first sig …

"mint address" and "token address" are often used interchangeably and refer to the same thing (the blue item). A unique identifier of an SPL-Token is its mint address. USDC is minted in mainnet at a …

Try using code from the starter branch: https://github.com/Unboxed-Software/solana-movie-program/tree/starter That client code builds the instruction like this: https://github.com/Unboxed-Software/sol …

You need to airdrop SOL to the newUser keypair before using it to pay for transactions …

It looks like your money_pot_vault account is a custom GamePot account type from your program. #[account(mut)] pub money_pot_vault: Account<'info, GamePot>, For the system_instruction::transf …

It may be that the account already exists on your local validator. Try resetting your local validator: solana-test-validator -r