All Questions
20 questions
1
vote
0
answers
11
views
Formatting seed for PDA
#[derive(Accounts)]
#[instruction(message: String)]
pub struct CreateImmortaliseMeAccount<'info> {
// Account for creating an ImmortaliseMe account
#[account(
init,
space=...
0
votes
1
answer
16
views
How to specify PDA owned by different program in anchor?
Specifying a PDA can easily be done by the following:
#[account(
seeds = [MY_FST_SEED, MY_SND_SEED],
bump
)]
pub my_account: Account<'info, MyCoolAccount>,
This makes the PDA be derived ...
- 5,384
1
vote
2
answers
57
views
Anchor: Do I need to validate PDAs when passing them into my program?
Since only the program(owner) of a PDA can modify it's data.
Do I have to validate a PDA passed to the program via seed and canonical bump?
Example: If I initialize a Group PDA...
#[derive(Accounts)]
#...
- 349
3
votes
1
answer
153
views
How to create shard accounts to manage "unlimited" account size
Since there is a limitation inside Solana transactions (1kb), and Solana account (1Mb), I'm not able to create a huge account ^^
Someone suggests me to open a new question: Handle big vector ...
- 97
2
votes
2
answers
239
views
How to use timestamp as seed for my PDA?
I'm wondering what are the best practices when using timestamps as a seed to calculate a PDA (or if using a timestamp is recommended at all). I should generate the timestamp from within my program:
...
3
votes
1
answer
336
views
Anchor PDA Seed
I want to create an anchor PDA using the following logic:
seeds = [
b"some-text",
user.key().as_ref(),
Vec<Pubkey>,
bool
]
Is this possible? The array of pubkeys are ...
- 543
1
vote
1
answer
84
views
I'm facing custom program error: 0x0 when try to derivated a PDA with custom seeds
I'm facing an issue in my instruction trying to generate a PDA from a string and user.key(), just like in the PDA Anchor tutorial. I tried it in various ways and still, I get the same error:
Error: ...
- 41
3
votes
3
answers
177
views
Can't initialize PDA cause of seed constraint, even though seeds are correct
I am trying to create a PDA with variable seeds like this
#[derive(Accounts)]
#[instruction(i: u8)]
pub struct SendRequest<'info> {
#[account(mut)]
pub owner: Signer<'info>,
#...
- 876
2
votes
1
answer
263
views
Are there any rules as for what derived path can look like?
For my application I need to generate new addresses constanly. I want to do it via mnemonic phrases because it'll allow me to restore a private key of an address if I lose it.
I need to generate ...
- 169
2
votes
2
answers
224
views
How to use timestamp as seed
I'm trying to use the current timestamp as seed but i can't find the right way, i even try to passing as string and getting a deserialize error.
here is the code for my program:
use anchor_lang::...
- 444
3
votes
1
answer
156
views
Is there a way to get all accounts for pda with one missing seed?
#[account(
init,
payer = signer,
seeds = ["dummySeed".as_bytes(), party.key().as_ref(), member.key().as_ref()],
bump,
space = DummyStruct::LEN
)]
...
- 83
1
vote
1
answer
66
views
Error processing Instruction 0: Cross-program invocation with unauthorized signer or writable account
i'm getting the error in the title mentioned above and none of the solutions online seem to fix my error. This is the error msg in its entirety:
Error: failed to send transaction: Transaction ...
- 33
4
votes
2
answers
182
views
Consecutive seed pdas
Is it possible to have an account with a counter, and an instruction that can be called by any user at any time and will init a new pda with the counter number as seed and add 1 to the counter?
I find ...
- 375
2
votes
1
answer
640
views
How to use u64 as seed
I am creating pda accounts with a variable seed. To do this I created an account with a counter u64. For every pda account created, the counter will increment in 1, so the seeds of the account created ...
- 375
2
votes
1
answer
204
views
Use u64 as PDA seed
I want to initialize a PDA with a big number for seed, but findProgramAddress returns an error: Uncaught (in promise) TypeError: (intermediate value).toBuffer is not a function
import { BN } from &...
- 375
5
votes
2
answers
215
views
Variable seeds for PDA
I am trying to initialize a PDA using the u64 value stored in another account.
The idea is that the stored counter increments and the value determines the seed.
My code:
#[derive(Accounts)]
pub struct ...
- 375
1
vote
0
answers
78
views
PDA seeds element size problems
I encountered an oddproblem with the seeds array when searching for a PDA via macro #account(init, seeds ...)].
Since each of the seeds array elements can be up to 32 bytes, I want to use the first 32 ...
- 340
2
votes
2
answers
41
views
Make reading from PDAs private
If I remember correctly, PDA can be found out by anyone who knows the seed, Public Keys and the Program ID related to a Solana program. Is there a mechanism through which no one except the public key ...
- 300
1
vote
3
answers
206
views
Unauthorized signer on CPI transfer call
so I am trying to write an app where we can deposit native SOL to a wallet, that wallet would be a PDA, and based on some event I would like to transfer SOL to a particular wallet via a CPI call but I ...
- 121
1
vote
1
answer
139
views
What seeds should I use in `invoke_signed()` for PDA derived via `create_with_seed()`
I have a PDA generated with:
const SEED: &str = "My Seed";
let pda = Pubkey::create_with_seed(program_id, SEED, &owner_id).unwrap();
Where program_id and owner_id are some fixed ...
- 396