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First one is a cross program invocation of the SystemProgram. Both accounts need to be owned by the SystemProgram. Second one also works with PDAs that are owned by your program. So useful for some ki …

If I understood you right, your code works, but you need to get the TokenAccount address from the wallet right? What you can do is: call getTokenAccountsByOwner(pubKey) and then check all the token ac …

solana program show shows the program and the size of the Executable Data account. This is where the actually .so file will be depoyed to and takes up the most of the cost for deploying a program. s …

Program AQDdxLFXQk6eBsVEW1HiHKKH77QMzSK2vMCbjMPhERHx failed: Invoked an instruction with data that is too large (12884933564 > 10240) This means you are compiling with the wrong cli version. Try 1.14. …

The signAndSend of phantom expects a Transaction not an instruction. You need to create a transaction and add your instruction. The error most likely means that phantom is trying to serialize you tran …

Maybe its using the keypair defined in the anchor toml to sign. So in terminal check solana address solana balance and eventually airdrop some sol there. Here are some nice helpers to load keypairs …

On Solana you would usually store data or state in an account and then read that from js after you changed it in a transaction. I would rethink the problem you are having and check if you really need …

The token extensions are pretty new and not yet supported everywhere. Feel free to nag all the wallets and explorers to support metadata and transfer hooks :D Im pretty sure many are working on adding …

As long as a solana progamm is not frozen you can update it any time. If it becomes bigger after the upgrade you need to check if you payed enough rent for the new program size. As of now all programs …

When you build and anchor program it creates an IDL file and also typescript types. You can find them in the target folder under types. Then you can use that to decode the data like this: import IDL f …

I would need a bit more information I think, but transaction.Serialize() gives you the byte array and then you can check the size.

So i'm not super familiar with solidity, but there the state is in the program right? On solana its in the accounts. So you would have a PDA with the account balance i guess. You could then in the cli …

Hey I am currently working on the same topic for a game. I have not yet figured out. Totally makes sense and then only update the account data. The biggest improvements I saw came from using socket c …

When your PDA (program derived address) is not owned by the system program you can not use the system program transfer CPI anymore. But you can still change the data of the account so also the lamport …

This may be a rate limit on the public RPC. https://api.devnet.solana.com/ There are many other commercial RPC provider like for example: Triton, Helius, Quicknode, Hellomoon and many more. Most of th …