Questions tagged [pda]
The pda tag has no usage guidance.
295 questions
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10
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Can PDA sign TXs from the client, not via invoke_signed?
I'm a beginner in Rust & Solana. Currently trying to create OpenBook -> migrate a token to a Raydium.
Problem: migration_vault which stores all liquidity for migration is PDA. I need to create ...
- 1
0
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0
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9
views
Economic viability of social dApps with Solana
I've been diving into the web3 scene lately, starting with the Ethereum ecosystem. But since I'm a Rust developer first and foremost, Solana was an obvious choice to look into. I like it so far, ...
- 1
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1
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18
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Problem with testing pda contract
ive tried everything and the code that im trying to deploy for the test is not working...
This is the lib.rs:
#![allow(clippy::result_large_err)]
use anchor_lang::prelude::*;
declare_id!("...
0
votes
1
answer
24
views
Why is my PDA derivation mismatching between client-side and runtime on Solana?
I'm developing a Solana dApp and encountering an issue where the Program Derived Address (PDA) computed in my JavaScript client does not match the PDA derived during program execution in Rust, ...
0
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1
answer
35
views
Token CPI without signature from PDA works unexpectedly?
In my app I have 2 programs:
Program A which owns "Beastie" PDAs and calls program B, with the Beastie PDA as a signer.
Program B which creates a token approval from the Beastie to another ...
- 101
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0
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20
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Created Todo: Error Message: A seeds constraint was violated
Anchor code
#[derive(Accounts)]
#[instruction(todo_index: u8)] // Added this to pass the index as an instruction argument
pub struct CreateTodo<'info> {
#[account(mut)]
pub authority: ...
1
vote
1
answer
23
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How to call up an anchor program that has a pda using cpi
There was another question here that was similar but it didn't give a code answer. Let's say anchor program A is the one being called and has an initialise function that initialises a pda that it uses ...
- 13
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1
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19
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Are there any risks with the PDA account generate with the hash function?
I currently have a PDA account with the following structure:
#[derive(AnchorSerialize, AnchorDeserialize)]
pub struct NewFoo {
pub foo_id: String,
}
#[derive(Accounts)]
#[instruction(new_foo: ...
- 111
2
votes
1
answer
23
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Can Other Programs Write to PDA Accounts even if the `Account` type is used and the ownership is checked?
Question: Ownership and Write Permissions for PDA Accounts in Solana Programs
I’ve been exploring how the #[account] macro in the Anchor framework interacts with the ownership model of PDA accounts, ...
- 23
1
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2
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35
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How to Calculate Space for PDA Accounts with Dynamic Vectors in Solana?
I am working on a NFT staking program. I need to create a PDA account with a structure that includes a dynamic Vec.
Here's the structure:
#[account]
pub struct UserNftStakeAccount {
pub user: ...
- 35
1
vote
1
answer
21
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Passing PDA seeds and bump to sol_invoke_signed_c syscall in solana_nostd_entrypoint environment: missing required signature for instruction
Before: There seemed to be a lack of solana nostd entrypoint documentation, I couldn't find any good resources.
I made solana program using solana_nostd_entrypoint.
I want to create PDA account using ...
- 190
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
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0
answers
17
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Signature verification failed. Missing signature for public key(s) [key1, key2] in jest test using anchor
test :
import * as anchor from "@coral-xyz/anchor";
import { Program } from "@coral-xyz/anchor";
import { RoyaltyNft } from "../target/types/royalty_nft";
import { ...
- 21
1
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0
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20
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Best way to go about vanity PDAs?
The most obvious idea to me is taking a seed as a parameter and grinding it off-chain to find whatever prefix/suffix you want, then submitting whatever seed + bump combination you found through the ...
- 15
2
votes
1
answer
20
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PDA takes ~10s to upate even after tx is confirmed
I have been using anchor programs before , In those programs i could send multiple transactions back to back and the pda are reflected correct in every transactions.
But since then i started creating ...
- 876
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1
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16
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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
0
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2
answers
48
views
Best to have PDA own a System Account or be the System Account to move SOL tokens?
What would be the considerations for choosing between the following?
A) Using a PDA (that is a System Account type) to receive and send SOL tokens on behalf of User A
B) Using a PDA that owns a System ...
- 115
0
votes
2
answers
29
views
How do I verify if a PDA is belonging to the payer? (without Anchor)
I'm passing two accounts to my program: a payer account and a PDA.
The PDA should be derived from the payer address.
How do I verify it inside the program? Without Anchor.
- 19
0
votes
2
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67
views
Facing "Transaction simulation failed: Error processing Instruction with unauthorized signer or writable account" error in Solana Anchor program
I'm working on a Solana program using the Anchor framework. The program implements a simple counter that can be incremented or decremented by a user. The program compiles and deploys successfully, but ...
- 35
2
votes
1
answer
35
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Can I reclaim SOL from PDA after I accidently close the program?
I deployed solana program and used it.
After that, I wanted to close that program and redeploy to another address.
So I closed program. But I forgot to reclaim SOL from the PDA associated with the ...
- 190
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0
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22
views
`createWithSeed` vs using a PDA with f`indProgramAddress`
In what situations would I want to use createWithSeed function vs deriving a PDA address.
Why do the two generate different addresses
const programId = new PublicKey("...
- 7,672
1
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1
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41
views
A seeds constraint was violated. Can't find matched PDAs
Currently find issue when find PDAs for this code, basically i am using the the 1. static string "version" 2. publickey of PDA of case 3. the latest_version_id of case as elements of seeds ...
- 11
1
vote
1
answer
16
views
Make mint authority the program itself
Is there any possibility to make the program be the mint authority for a mint.
I thought about making:
mint authority -> PDA derived from programid
That would mean that to mint, only the program ...
- 117
1
vote
1
answer
25
views
Cross-program invocation with unauthorized signer orr writable account
use anchor_lang::{
prelude::*,
system_program::{create_account, CreateAccount},
};
use anchor_spl::{
associated_token::AssociatedToken, token_interface::{Mint, TokenAccount,
...
0
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0
answers
15
views
Strange error from adding account address validation
I am working on a program that invokes drift.
It all works fine, just adding assertions now.
I have changed this account:
#[account(mut)]
pub user_stats: AccountInfo<'info>,
To this:
#[account(
...
- 431
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
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35
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How to Properly Interact with Pool Token Account in a Liquidity Pool Program using Anchor?
I'm working on a Solana program using Anchor that implements a liquidity pool with a loan feature. The pool is initialized and funded by users (liquidity providers) who deposit assets into the pool. ...
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1
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1
answer
47
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PDA signed CPI access control
Imagine this usecase. We have a central treasury/vault, which holds all of the funds in the protocol. There are multiple separate games, which execute game logic, but do not hold the funds. Once game ...
- 11
0
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1
answer
25
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How to make NFT with Solana?
I am the designer of a molten salt type solar power plant. I decided to convert my design to NFD and build a metaverse in space in an area analyzed in reality.I don't know how toconvertmy3DMAXfiles(....
- 3
1
vote
0
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17
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Use PDA as the authorized account for the token account Failed
I want to create a public wallet (public_account) when I create SPL tokens, and then this wallet holds the original mint tokens, and then others can transfer tokens from through the contract interface....
- 11
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3
answers
426
views
cargo build works but `cargo build-sbf` and `anchor build` fail with unsupported target error
I am working on a Solana program and facing issues building my project. When I run cargo build, the build completes successfully but doesn't generate the required .so file for deployment. Additionally,...
- 339
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1
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38
views
"Anchor Solana: InvalidProgramId Error When Passing AccountInfo for SOL Pool PDA
I'm trying to write a ICO contract with Anchor, which supposed to transfer SOL from user to program PDA account, and receives corresponding ico token.
Now I'm facing strange behaviour that ...
- 157
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46
views
Simple program fails Error: memory allocation failed, out of memory, consumed 2474 of 200000 compute units
I'm trying to write a program to be able to init and mint different tokens. So I pass dynamic seed during program invocation as a parameter, but somehow running out of memory in the mint_tokens ...
- 33
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1
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23
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Transfering sol from pda to a hardcoded account pubkey
Can i transfer money from a program owned PDA to a hardcoded pubkey without AccountInfo of the receiver ? Or do I NEED to pass it from the client?
let hardcoded_pubkey = Pubkey::from_str("----...
0
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2
answers
91
views
Transfer SOL out of PDA owned wallet account
Basically I'm trying to figure out to transfer SOL out of a wallet account which is owned by a PDA. the PDA is in turn owned by my program.
I've tried invoke_signed, my seeds are all correct, and I ...
2
votes
1
answer
34
views
Transfering money from a pda to a user wallet with native rust
Sorry for a noob question but im writing a solana program without anchor. And I'm having a problem with transfering sol from pda to a wallet in a program.
pub fn process_instruction(
program_id: &...
- 21
3
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1
answer
152
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
0
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1
answer
37
views
Is there an atomicity problem when using PDA to store user data collection?
As stated, if I use PDA (Program Derived Address) to store user data, do I face transactional issues similar to traditional databases, where my version might get updated by another user before I save, ...
1
vote
1
answer
115
views
how i transfer my spl token by js
Hello i need to write a program that transfer token from my wallet to another wallet i wrote here is code
const {clusterApiUrl, Connection, Keypair, LAMPORTS_PER_SOL, PublicKey} = require('@solana/...
- 51
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2
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170
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Struct field "token_account_owner_pda" is unsafe, but is not documented
I was following the Token Vault tutorial on Solana Playground. It compiled fine on SolPG but when I compile this program on my system, I get the following error about unsafe account. I want to make ...
- 71
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1
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88
views
Error Number: 2006. Error Message: A seeds constraint was violated
My rs part:
#[derive(Accounts)] pub struct CreateLottery<'info> {
#[account(
init,
payer = authority,
space = 4 + 32 + 8 + 4 + 1 + 4 + 1 + 8, // 8 for account ...
- 121
0
votes
2
answers
46
views
Pay for PDA by a centralized wallet
I'm trying to build an app that will hold a user's wallet private key to sign for transactions and pay for the account from a centralized wallet that I own. I'm trying to avoid them having to approve ...
2
votes
1
answer
111
views
Anchor pass parameters to PDA creation from initialization
I'm getting crazy on passing a parameter to the seed of a PDA. That's the simplified program:
use anchor_lang::prelude::*;
declare_id!("JAe3BFznJPTWu4JF1x1JQwzJ29b9jZJ9gPANJTdY2qUf");
#[...
- 67
1
vote
1
answer
215
views
Wrapping Sol results into Error: IncorrectProgramId
I have a PD vault account, I transfer some amount of SOL to WSOL token account for this vault and then I try to call the SyncNative instruction that results into err:
'Program ...
2
votes
2
answers
285
views
Anchor Test has Transaction simulation failed: Error processing Instruction 0: custom program error: 0x0
So if I anchor build and then anchor deploy on the devnet and then use anchor test --skip-build --skip-deploy since I already built and deployed everything before, I find the first time around the all ...
- 45
1
vote
1
answer
66
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Not able to read the updated value in a Solana Data Account
I have a simple solana greeting-counter program, I have it deployed locally. When I am calling from my typescript code I am able to do pretty much all the transactions and verify them. Except the last ...
1
vote
1
answer
55
views
Account creation on Solana
Suppose I have a PDA address that hasn't been initialized yet and I send SOL to it,
Am I correct in assuming that this account will exist?
Who will have control over this account? Will it still be by ...
- 7,672
2
votes
1
answer
33
views
passing anchor `#[instruction]` argument with another argument results in different address generated
I have my accounts struct like this
#[derive(Accounts)]
#[instruction(force_seed: [u8; 32])]
pub struct Dummy<'info> {
#[account(mut)]
pub payer: Signer<'info>,
/// CHECK:
...
- 7,672
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1
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27
views
How do I allow two different signers to modify data in a PDA?
I'm trying to understand PDAs and ultimately want to be able to have a game where two different players (each with their own wallet) can modify the game state individually (i.e. one signer). For this ...
- 3
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1
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76
views
Best practice design PDA in solana
When developing contract in solana, I had seen some example (include example in solana cook book - https://solanacookbook.com/gaming/store-sol-in-pda.html#tiny-adventure-anchor-program-part-two) had ...
