Questions tagged [anchor-lang]
The anchor-lang tag has no usage guidance.
211
questions
1
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0
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13
views
Issue with spl-associated-token-account Version Conflict in anchor-spl v0.30.1
I'm working on a Solana program using Anchor, and I’ve encountered a version conflict when running cargo update with anchor-spl v0.30.1. The issue arises from the dependency on spl-associated-token-...
- 11
1
vote
1
answer
17
views
*ctx.bumps.get("pool") Giving Error
I am trying to create a simpleswap contract.
My lib.rs code is:
#[program]
pub mod solana_swap {
use super::*;
pub fn initialize_pool(ctx: Context<InitializePool>) -> Result<()>...
0
votes
0
answers
8
views
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. ...
- 1
2
votes
1
answer
28
views
Why is token_program needed when initiating an associated token account?
In the code below if I don't have token_program defined, I get compile time error. However, I am only initializing the ATA but not minting, transferring, approving, or burning the token mint which is ...
- 201
0
votes
1
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25
views
Why my Option account is required when invoke from js client?
all.
I am trying to use Option account in a demo, where, token related accounts are optional, when not provided, it will transfer SOL from my contract to user, other wise transfer SPL token to user.
#...
- 585
1
vote
1
answer
27
views
How to retrieve total token supply (circulating minted tokens) within a Solana program?
I'm developing a Solana program using the Anchor framework. In one of my instructions, I need to fetch the total number of minted tokens currently in circulation. I'm aware that this information can ...
0
votes
0
answers
18
views
Anchor - Stuck with error SendTransactionError
I have been trying to write some custom contract in solana using Rust but always ending up with below error:
Catch the SendTransactionError and call getLogs() on it for full details.
at Connection....
2
votes
1
answer
44
views
How does Anchor know space needed for an ata when we don't provide space?
For vault_ata_make, how does anchor know how much space is needed since we didn't specify any space at all ?
#[account(
init,
payer = maker,
//Anchor descr is needed because of ...
- 201
0
votes
0
answers
20
views
Can I use anchor address constraint with dynamic value from state
Here is the example of how address constraint is implemented, but the address is CONSTANT
https://beta.solpg.io/66b37272cffcf4b13384d2aa
I want to be able to change the authority who signs the ...
1
vote
1
answer
64
views
Which anchor version to use
I rarely tried to write Solana programs and have a dev question.
I notice that Solana pretty often updates versions. Half a year ago I was trying to write token programs, and the Anchor 0.27 -> 0....
1
vote
0
answers
26
views
Cross-program invocation with unauthorized signer or writable account : Anchor Tip Program Error
here is the code, the error occurs in withdraw function, i used program ( tip program ) itself as authority:
use anchor_lang::prelude::*;
use anchor_spl::token::{transfer, Mint, Token, TokenAccount, ...
- 141
2
votes
1
answer
43
views
Solana Anchor Program - Withdraw Functions says - Error processing Instruction 0: Provided owner is not allowed
I'm coding a tipping program where the tip function transfers the SPL token amount to a PDA address (the PDA of the program itself and the token mint). The tip function works fine, but I'm ...
- 141
1
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1
answer
19
views
anyone knows how to use CPI to transfer from a pda to a normal account(just has it pubkey),btw by using Anchor
it's my transfer code, but of course it goes error.
#[derive(Accounts)]
pub struct random<'info>{
#[account(
mut,
has_one = pubkey!(HqqNdVUmtcrJADTz3mKvJrn6cCXgxAaq15nsdRZnpnko)
...
- 129
2
votes
1
answer
82
views
error[E0635]: unknown feature `stdsimd`
I am following the tutorial out of the Solana courses.
These are my dependencies:
[dependencies]
solana-program="1.16.27"
anchor-lang = "0.29.0"
switchboard-v2 = "0.4.0"
...
- 61
1
vote
0
answers
48
views
init_if_needed causing "access violation in stack frame 5"
Just like the title says, I am running into issues where i get "failed: Access violation in stack frame 5 at address 0x200005fd8 of size 8" but only when using init_if_needed, without it the ...
- 11
0
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1
answer
30
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 ...
- 117
1
vote
1
answer
68
views
struct takes 0 lifetime arguments but 1 lifetime argument was supplied expected 0 lifetime arguments
use crate::curve::quadratic_curve::{QuadraticCurve};
use crate::utils::mpl::{create_metadata_accounts_v3, CreateMetadataAccountsV3cpi, Metadata};
// use crate::utils::token::{create_mint, ...
- 129
0
votes
1
answer
27
views
Unable to deploy a Hello World contract
I have created a very simple Hello World using anchor framework, rust, and Solana. But I am unable to deploy it, due to rust's version discrepancy.
Refer the below image
I have tried all types of ...
- 121
1
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0
answers
80
views
Getting this error in anchor while doing anchor build [duplicate]
error: custom attribute panicked
--> programs/cpi-programs/src/lib.rs:6:1
|
6 | #[program]
| ^^^^^^^^^^
|
= help: message: Safety checks failed: Failed to get program path
error: could not compile ...
- 31
1
vote
1
answer
27
views
Why does has_one does not work?
So, i am making a escrow contract in solana, using anchor.
I have this accept_job function.
pub fn accept_job(ctx: Context<AcceptJob>) -> Result<()> {
let escrow_account = &...
6
votes
4
answers
778
views
Suddenly getting error message: Safety checks failed: Failed to get program path
Suddenly getting message: Safety checks failed: Failed to get program path error message during anchor build
anchor version 0.30.0
solana version 0.18.17
- 417
1
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1
answer
31
views
Error Message: A seeds constraint was violated. The ts client does not correspond to the pda of the Solana program
Issue
I encountered a strange issue where the PDA found using findProgramAddressSync in the TypeScript client does not match the PDA found in the Solana program instruction account structure, despite ...
- 35
1
vote
1
answer
35
views
Referencing an account from another within #[derive(Accounts)] [duplicate]
I am following this tutorial to build a lottery on Solana, which works totally fine on Solana Playground / https://beta.solpg.io/, but once i move the code to Visual code i'm getting some errors. ...
- 113
3
votes
1
answer
84
views
Solana call mint token from pda program: Cross-program invocation with unauthorized
I am come from evm to Solana so I have question in evm we have modifier call is_owner... so in Solana how it work, as I understand using cpi here is my code
I create custom token
create.rs
use {
...
- 133
2
votes
2
answers
192
views
How to Convert from Account<'info, TokenAccount> to UncheckedAccount<'info>
Please help me convert from ->
#[account(mut)]
pub user_token_source: Account<'info, TokenAccount>,
into ->
/// CHECK: Safe. user source token Account. user Account to swap from.
#[...
- 161
1
vote
1
answer
185
views
Anchor build not working
When I try to run anchor build in my terminal, this is the result I am getting in the terminal.
I have uninstalled and installed rust but I am still getting the same output.
0
votes
0
answers
9
views
How to keep sol and spl both as collateral In solana escrow program in anchor. I am really confused
So i am using anchor escrow program. Now how can i keep sol as collateral in program. Also my phantom wallet does not show the amount of sol being kept as collateral
- 13
1
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1
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120
views
How do I build a transaction using `declare_program!` with anchor_client?
If I try to create a transaction using declare_program! for accounts and args and anchor_client for building the transaction:
use anchor_lang::prelude::*;
declare_program!(my_program);
use my_program::...
- 5,229
1
vote
1
answer
96
views
({"err":{"InstructionError":[0,"InvalidInstructionData"]}})
Here everything seems fine but still got this error please guide me here :-
Place bid program. :-
pub fn place_bid(ctx: Context<PlaceBid>, bid_amount: u64) -> Result<()> {
...
- 187
2
votes
2
answers
116
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
2
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1
answer
26
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:
...
- 5,442
1
vote
2
answers
113
views
Is there a way to get program id of CPI call?
I am calling a solana program A from solana program B using cpi invokes. Is there a way to get the program id of program B on program A or a way to get the cpi is invoked?
- 417
0
votes
1
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96
views
Error running anchor test: Unable to get latest blockhash
I'm getting a random inability to fetch a blockhash halfway through my test cases in anchor.
Can't see to find a patter to it. Can anyone help?
Test results:
solchan-faucet
[DEBUG]: Starting before ...
- 77
0
votes
1
answer
49
views
Is there a new method for ctx.bumps.get in 0.30.0
I've encountered a problem trying to reuse an old project.
I'm trying to build the project but the cli throws this error at me: "this is an associated function, not a method" for using *ctx....
- 1
1
vote
0
answers
33
views
Fee token with whitelist
Sorry for stupid question.
Fee token is done, when I call transferCheckedWithFee method, token is send and fee is deducted. Now I want some users to not pay the fee. I am using transfer-hook, I used ...
2
votes
1
answer
49
views
What exactly are `Interface<'info, T>` and `InterfaceAccount<'info, T>`
InterfaceAccount<'info, T> and Interface<'info, T> and Anchor accounts types
Would love to know more about them, where I should use them and what differentiates the two.
- 5,442
0
votes
2
answers
253
views
Mainnet contract deployment hangs
I am trying to deploy my solana mainnet contract but it stuck during deployment, will it reibursable? Can I cancel it as it is taking longer time?
Why it is stuck? Solana mainnet status is also good ...
- 417
2
votes
1
answer
58
views
Issue while compiling the code | Using Anchor framework
I am trying to run my below code but getting error:
use anchor_lang::prelude::*;
use solana_program::clock::UnixTimestamp;
declare_id!("FCLkGfDSoFadeVaZQRnnLu4Uy913vd7DDJMERZnvtnmq");
/// A ...
- 169
1
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2
answers
111
views
Can we pass array of unchecked accounts as an array in solana anchor program?
What if we want to pass arbitrary number of accounts to the function(as part of accounts).
Expectation :-
If we have a program and there is a function named as transferMultiple (Which is responsible ...
0
votes
0
answers
37
views
Calling mint_to for second times error: ConstraintMintMintAuthority. Error Number: 2016. Error Message: A mint mint authority constraint was violated
Initialize and Mint token functions:
pub fn init_token(ctx: Context<InitToken>, metadata: InitTokenParams) -> Result<()> {
let authority = &ctx.accounts.payer;
let ...
- 153
0
votes
1
answer
100
views
cannot transmute between types of different sizes, or dependently-sized types
Problem
I encountered this issue while using zero_copy, as shown below:
error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
--> programs/solot/src/state.rs:...
- 35
1
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0
answers
51
views
Program returned error: "Overlapping copy"
I tried to mint NFT to someone , but it gives me a error "Error: Raw transaction 5A6sSQPmAUBTQXDkrz9DM1tkYnwp7mjFLLi2S2cUpVjxnkYXHaSvHLHq2fz7Z5ViDdghrAgKPwqBVDC5m7ud3oEK failed ({"err":{...
- 129
1
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0
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19
views
Try to create mint and ATAaccount shows Error:Transaction simulation failed:Error processing Instruction 0:Program failed to complete
Try to create mint and ATA account, When I run anchor test, it shows Error: failed to send transaction: Transaction simulation failed: Error processing Instruction 0: Program failed to complete
here ...
- 129
1
vote
1
answer
256
views
Error: target/idl/sol_404.json doesn't exist. Did you run `anchor build`?
I run anchor build , and it indeeded generate a sol404.json , but when I run the anchor test it shows /Users/brooke/Desktop/sol404/node_modules/.bin/ts-mocha -p ./tsconfig.json -t 1000000 'tests/**/*....
- 129
2
votes
0
answers
212
views
Error: AnchorError caused by account: token_metadata_program. Error Code: InvalidProgramExecutable. Error Number: 3009
I run anchor test and then it shows Error: AnchorError caused by account: token_metadata_program. Error Code: InvalidProgramExecutable. Error Number: 3009. Error Message: Program account is not ...
- 129
1
vote
1
answer
76
views
CLOSED_ACCOUNT_DISCRIMINATOR removed from 0.30
In Anchor 0.29 I was manually closing out accounts in my contract like this.
let item_account_info = ctx.accounts.item.to_account_info();
let mut data = item_account_info.try_borrow_mut_data()?;
for ...
- 496
0
votes
1
answer
65
views
Is it possible to figure out which instruction is causing the stack access violation
Getting this error which means I'm probably putting too much on the stack.
is it possible to find out the exact instruction that is causing this?
Or does this error mean that everything on my program ...
- 5,442
0
votes
1
answer
88
views
anchor_lang::AccountDeserialize
How to implement correctly try_deserialize and try_deserialize_unchecked for this Example struct? I've been trying, but failing miserably.
#[derive(Clone)]
pub struct ExampleProgram;
declare_id!(&...
1
vote
1
answer
78
views
How to transfer SOL to remaining_accounts from the signer account
I am trying to transfer 0.1 SOL from the signer account to all the accounts passed in the remaining_accounts to the function call. Here's a breakdown of the code.
anchor
pub fn purchase_package(...
- 111
1
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1
answer
115
views
Problems deploying and testing with Anchor on Devnet
I am getting this error when trying to test and deploy my program using Anchor.
Error:
Deploying program failed:
RPC response error -32002:
Transaction simulation failed:
Error processing Instruction ...
- 11