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Results tagged with rust
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user 153
2
votes
How to define constant Pubkeys while developing with Anchor?
Edit: Per @trent.sol comment, there is an even more natural macro that can be used:
use solana_program::{pubkey, pubkey::Pubkey};
static ID: Pubkey = pubkey!("My11111111111111111111111111111111111111 …
- 1,851
4
votes
Accepted
What's the difference between Anchor Accounts and account attributes?
Accounts is just a trait, while #[account] is a macro that generates code.
Accounts trait is literally just the below. There is no "functionality".
pub trait Accounts<'info>: ToAccountMetas + ToAccoun …
- 1,851
1
vote
Why is this function failing to fetch my program account's public key?
I feel you are running out of space on base_account.
You have allocated 10000 bytes. Let's look at how much space it will take to store this:
8 [discriminator] + 8 [total_posts] + 4 [vector prefix] +
…
- 1,851
2
votes
Accepted
Can I read information stored by a PDA without having to deserialize its byte array?
You should be able to get any account and deserialise it using the client:
let program = client.program(*Program Address*);
let my_data: MyData = program.account(*PDA ADDRESS*)?;
You can see similar …
- 1,851
6
votes
Accepted
How can I create a PDA account dynamically or conditionally
The best way to see what Anchor is currently doing is to use anchor expand to see the expanded macros. Then you can pull that logic inside your own function.
How can we check if a PDA account alread …
- 1,851
3
votes
Accepted
Intitalize Solana Program through IDL
Unfortunately, anchor_client is not IDL-aware. It is intended for scenarios where you have access to the source code (or crate) of the program you are calling.
You can see an example of this the Ancho …
- 1,851
1
vote
How to store signatures in a Solana account
Signatures can be stored as 64 bytes.
Simply decode it back, say using bs58:
pub struct MyAccount {
signature: [u8; 64],
}
let my_account = MyAccount {
signature: bs58::decode("<your signature b5 …
- 1,851
7
votes
Accepted
Do I have to use Borsh for serialization?
Do you perchance mean Borsh?
Solana is not opinionated about which serialisation/deserialisation library you use in your program. The protocol just expects a byte array for account and instruction dat …
- 1,851