Questions tagged [account]
The account tag has no usage guidance.
250 questions
1
vote
1
answer
602
views
what's the correct way to declare an account for program to receive and store SOL?
Demo bellowed is what I figure out to make program receive SOL. But it seem have room to improve, especially 'NewAccount', which look ugly, but I can't found property Account type to replace it. I ...
- 667
1
vote
2
answers
516
views
How do you deal with a changing account state?
Let us suppose that you want to update an account state to include a new field.
pub struct MyState {
pub a: u8,
pub new_field: u8
}
This means that fetching and decoding the old accounts prior to ...
- 1,506
1
vote
1
answer
570
views
what does #[account(mut)] do in solana?
I know what procedural macros are. They are like decorators, they add new functionality or properties into the decorated code.
#[account(init,payer=user,space=9000)]
pub base_account:Account<'info,...
- 1,264
1
vote
3
answers
73
views
How to bulk update accounts?
Is there a way to update a field on all the accounts owned by a program at once?
Say I have a bunch of PDAs Stake { amount: usize }.
Is it possible to do amount = amount * 1.1 for multiple accounts in ...
- 994
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 ...
- 7,712
1
vote
2
answers
220
views
Are enums with associated values permitted?
Not sure if this is really an anchor or solana related question, since I am able to compile, just not to run tests.
I can run code and test against code that has an account that has following enum:
#[...
- 431
1
vote
2
answers
531
views
Is it possible to create an account (new keypair) using PHP?
I don't have experience with solana yet and I have question in my work.
I see that it is possible to generate a key pair with web3.js
But is it possible to generate a new pshair with php ?
- 464
1
vote
3
answers
3k
views
How to recover SOL from a address after mistakenly transfer [closed]
I have transfer some SOL to a address by mistake. I still see the balance in solana explorer mainnet. Is there any way I can recover my SOL? Is there a way Solana company can help on this?
- 131
1
vote
1
answer
89
views
most efficient way computationally to check accounts on chain?
I am just trying to understand the best way to check that accounts match expected values on chain. Currently what I am doing costs 65k compute units out of a total of 200k which seems a bit extreme! ...
- 597
1
vote
1
answer
418
views
What's the difference between Anchor Accounts and account attributes?
When looking at the docs it seems that both Accounts and account attributes are useful for account serialization, deserialization, and validation. Furthermore, Accounts seems to be a derive attribute ...
- 261
1
vote
1
answer
304
views
"error: ... An account required by the instruction is missing" when creating metaplex metadata account
I've successfully implemented the minting function. After it, I added the method to create a metadata account. However, after I call the function, I get an error:
Error: failed to send transaction: ...
- 45
1
vote
2
answers
324
views
How to pay/sign an ATA with a different owner?
I'm trying to learn solana and currently doing NFTs. I'm wondering if it's possible to create an Associated Token Account with an owner that differs from the signer and then mint an NFT to that ATA? ...
- 45
1
vote
1
answer
65
views
Reducing calls to .load() in constraints
When using constraints with a zero-copy account that uses AccountLoader, you can reduce acc.load() calls like:
#[account(
mut,
constraint = {
let acc = some_acc.load()?;...
- 3,607
1
vote
1
answer
47
views
should I split a large data account into smaller ones
I have an account that contains a lot of fields, 30+.
Besides composability, is there any benefit to splitting this account into different accounts?
Will it improve performance/transaction costs?
- 7,712
1
vote
1
answer
489
views
"Access violation in stack frame 3 at address 0x200003ff0 of size 8 by instruction #35516" , even though I use zero copy on my account struct
This is my account struct
pub struct ClaimRewards<'info> {
#[account(init_if_needed, payer = payer, seeds = [OKUSEED.as_ref()], bump, mint::decimals = 6, mint::authority = mint)]
pub ...
- 876
1
vote
1
answer
371
views
Can a closed account in anchor be initialised again?
I am following the soldev tutorials. At the Crossing Account and Revival attacks.The program has two methods a lottery initialisation account and a redeem tokens based on the time of entering. After ...
- 117
1
vote
1
answer
1k
views
Can we change the owner of a Solana account?
I have a solana account created by a solana program deployed on the devnet. Is it possible to change the owner of the account? If yes then can you please tell how to do it?
- 113
1
vote
1
answer
230
views
Is there way to differentiate accounts from pdas?
Out of curiosity, I was wondering if there was a way to tell just by looking at the address, if one can tell if the address is a data account or a pda instead.
I'm personally having a hard time ...
- 13
1
vote
1
answer
344
views
Is it common to have close account instruction inside my solana program
In my Solana program, users can create program-owned accounts.
Although maybe they want to close it because it is no longer necessary and want to recoup the account rent/fees.
I assume that closing ...
- 1,506
1
vote
3
answers
146
views
How much of a PDA can a program control
How much of a PDA is under the control of its owner program? For example, could the program block the account from signing certain instructions on transactions? Or could the program add a fee to every ...
- 486
1
vote
2
answers
204
views
checking if a program is upgradeable
I am trying to work out how to get some meta data for Solana programs.
I can see on sol explorer etc that it knows whether a program is upgradeable, and if it is, who the upgrade authority is, but I ...
- 597
1
vote
1
answer
728
views
Why does "solana account" fail until after airdrop
I generate a new key pair by running:
solana-keygen new --force
I print out the address:
solana address
2EHCPkQHcjiBUgWT6zpcHmLPbW2r6wKtb9RjYnoBwFb7
Now I tried to get the account details associated ...
- 292
1
vote
2
answers
1k
views
Account size calculation when using vectors
I just measured account size with std::mem::size_of because I was curious how space is calculated for vectors. Following the docs, I would have assumed that size_of would add 4 bytes for each vector, ...
- 340
1
vote
1
answer
326
views
How do I make a PDA own a system account
So im making a program that CPIs into marinade. In one of the instructions, they have a "transfer_sol_to" account requirement. I want the sol from that instruction to be transferred to a ...
- 142
1
vote
1
answer
117
views
How can I preserve the original data and add the new data to my account when using the realloc method?
So when increasing the data size of my account I of course would add some additional fields in my Struct. So on the basis of new Struct I won't be able to deserialize the previous data. Do i need to ...
- 133
1
vote
2
answers
108
views
how can anchor program A read account data from anchor program B with #account macro way?
My anchor program "A", expect to use data from a anchor program name "B".
Let's say program_b (which I don't have code, just know it's address) has declare PDA account data struct:
...
- 667
1
vote
2
answers
246
views
My account has become a Token Account, how can I solve it?
My account that I used commonly had some solanas which I left untouched for a while, now I tried to move my solanas again and it gives me an error and it doesn't allow me to make any transaction or ...
- 11
1
vote
1
answer
75
views
Who owns the private key of delegated Staked Accounts?
I see on solscan.io account pages that most of them have isOnCurve false, but my delegated staked account has isOnCurve true.
Does this mean someone has the private key of this account?
Who?
Usual ...
- 131
1
vote
1
answer
597
views
obtain the contract of a token through the address of a holder
I am currently learning the basics of programming in solana using the different json functions and I have a question
Is there a function that gives you the contract of a token having only the address ...
- 11
1
vote
1
answer
379
views
Issues with Using AnchorSerialize and AnchorDeserialize Traits
so I'm looking to create an instruction that creates an account called GamePot that contains a field called TokenInfo that holds the data for what is meant to be any particular SPL token with a mint ...
- 141
1
vote
1
answer
108
views
Error: Invalid option while trying to fetch account data with anchor
I'm getting this error
Error: Invalid option endTime
at OptionLayout.decode (node_modules/@project-serum/borsh/src/index.ts:148:11)
at Structure.decode (node_modules/buffer-layout/lib/...
- 876
1
vote
1
answer
1k
views
Error: AnchorError: AnchorError caused by account: base_account. Error Code: AccountNotInitialized
I wrote a Solana Program with two functions, one for the initialization of an account and a second to upload data to the account. While testing on localhost it was working fine, but when I uploaded it ...
- 113
1
vote
1
answer
229
views
How to handle multiple tokens + SOL in a payments program?
Context
Depending on the item price in USD, users should be able to pay for items with different tokens/currencies (this is made possible with Switchboard Oracles). The payments then go towards a ...
- 1,506
1
vote
2
answers
187
views
What happens to old program-owned-accounts when adding a new field to the account structure?
Let us suppose users are able to create a program-owned-account: PurchaseItemAccount, which is deployed as:
{
id: u64
price: u64
}
After some time, I then decide to add a field, ...
- 1,506
1
vote
1
answer
91
views
What does range full operator do in borsh serialize?
I follow hackernoon-solana to see the syntax in non anchor project. this is the function signature
pub fn process_instruction(program_id:&Pubkey,accounts:&[AccountInfo],input:&[u8])->...
- 1,264
1
vote
1
answer
60
views
Programs deployed to Solana do not last forever right?
I am learning about the account model in solana and got to the part about Rent. From what I understand if the lamport falls below a particular level, the accounts get purged.
This means programs ...
- 344
1
vote
1
answer
97
views
Can I read information stored by a PDA without having to deserialize its byte array?
here is my on-chain code to create the PDA account
#[derive(Accounts)]
pub struct Initialize<'info> {
#[account(init, payer = user, space = 20 , seeds = [user.key().as_ref()], bump)]
...
- 83
1
vote
1
answer
34
views
run across an verify interesting account on browser, how to the holder spend it?
I run into a account on the browser.
https://solscan.io/account/41BJ8cmr4vaebFbHzxerb8YG6MmTFWLj15M6h65mUyiF
https://explorer.solana.com/address/41BJ8cmr4vaebFbHzxerb8YG6MmTFWLj15M6h65mUyiF
From ...
- 667
1
vote
2
answers
25
views
Error creating new account using mint
While trying to create new accounts I am having issues. Could be accounts cannot be created after disabling mint.
spl-token create-account mntZFtv8SvH6trqeSwvTGPVSXXXXXXXXX --owner reserve.json
Error:...
- 21
1
vote
1
answer
13
views
Must the nested-instructions's accounts be passed in, as well?
Does the accounts field of a program's Instruction include just the accounts the instruction needs/touches directly - or those that are required by the nested instructions called by it, as well?
It ...
- 199
1
vote
2
answers
420
views
Why can't I send out my solana from phantom
When I attempt to do so it says something along the lines of unable to send or failed also transaction failed during simulation
My wallet is EYsJVQU5igQNaNMptsyL2A6h6QWso34MYxTriAkdQqWj
I am not sure ...
- 11
1
vote
1
answer
59
views
Avoid unnecessary account generation
For context, I am trying to implement a contract I have on solidity to solana.
On solidity, I have a function like this, which writes data to state based on a condition.
function handleMessage(bytes ...
- 15
1
vote
1
answer
295
views
MODULE NOT FOUND
import * as dotenv from 'dotenv';
dotenv.config();
import { getKeypairFromEnvironment } from '@solana-developers/helpers';
const keypair = getKeypairFromEnvironment("SECRET_KEY");
console....
- 11
1
vote
1
answer
92
views
best way to convert `account_index` to address using rust rpc-client and JSON RPC response
When using the solana-rpc-client in Rust to retrieve a transaction, the output is EncodedTransactionWithStatusMeta.
The metadata includes the following struct:
pub struct UiTransactionTokenBalance {
...
- 141
1
vote
1
answer
298
views
What determines the size of a program
How is the size of a program calculated?
If all accounts have a limit of 10 kibibytes, I assume that also applies to programs as well? How will the extend program size affect this? does it allow me to ...
- 7,712
1
vote
4
answers
360
views
Failed Token Develop and Lose Money :) [closed]
Before I start, I would like to apologize for writing a long message. I am a novice software developer who is just starting to learn Solana. Therefore, I wrote the whole story from start to finish ...
1
vote
1
answer
59
views
Is there a throttle in place for account creations or can I create accounts at 50k tps?
Other networks have throttles, I noticed there is a minimum balance on Solana, so does that mean as long as I have enough SOL I can create accounts at a rate of 50k tps? @ripatel
- 13
1
vote
1
answer
146
views
Get all accounts from ledger
To obtain all account information from the ledger, I used the following command:
solana-ledger-tool --ledger /mnt/ledger/ accounts
However, only the following information is printed, and the account ...
- 57
1
vote
1
answer
142
views
How to calculate space for an account dynamically using remaining_accounts
Is it possible to allocate space to an account based on account provided in remaining_accounts? I want to allocate enough space to store public key of the accounts provided in remaining_accounts in a ...
- 113
1
vote
1
answer
54
views
derive correct account inside a different anchor context
Let's say I have this CampaignCount account:
#[account]
pub struct CampaignCount {
// I keep track of how many campaigns I have so far
pub id: u32,
}
Imagine I need to refer to this in the ...
- 1,264