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Results tagged with anchor
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user 50
Should be used for all things relating to the Anchor Framework.
1
vote
Accepted
Getting rust analyser Error in Anchor?
Seems like the required crate isn't installed yet.
Try running cargo run or cargo build
- 2,907
1
vote
Accepted
How to get data account from an instruction?
On solana, for you to read/write to an account, it needs to be passed as an account to the instruction.
So if you want to read the account that belongs to player_two, you'll need to pass it as an acco …
- 2,907
2
votes
Accepted
TypeError: programId.toBuffer is not a function when using web3.PublicKey.findProgramAddress()
The PublicKey.findProgramAddress method is expecting the programId to be a public key.
Option A:
export class BigBazaar {
constructor(
// code removed for brevity
readonly programId: web3.Public …
- 2,907
3
votes
Accepted
How to generate a unique id?
Without much context, your best bet may be to use a public key as the id?
let id = Keypair::new().pubkey();
Though I can imagine that the Item struct is stored in an account. So that accounts' addre …
- 2,907
3
votes
Accepted
Is there any way to implement only owner access control in solana anchor
edit:
This seems to be exactly what you're looking for:
https://docs.rs/anchor-lang/latest/anchor_lang/accounts/program/struct.Program.html …
- 2,907
1
vote
How to get the IDL of a Solana Program?
For "Vanilla" (non-anchor) Solana programs, you can use Native to Anchor to create an Anchor compatible IDL. … Example on how to do this for the Feature Proposal program
Clone the repo:
git clone https://github.com/acheroncrypto/native-to-anchor.git
cd native-to-anchor
Copy the feature proposal instructions …
- 2,907
2
votes
I am having issues running anchor build command
It seems like you don't have Solana installed locally on your machine.
Follow these steps to install: https://docs.solana.com/cli/install-solana-cli-tools#use-solanas-install-tool
Run this command in …
- 2,907
7
votes
How do I transfer sol from a PDA account to a user account
Only the program that owns the account can debit its lamports. Since this is a program-owned account you're transferring from, the System Program wont be able to do the transfer, because it doesn't ow …
- 2,907
3
votes
Accepted
Using Fs to fetch idl error: "Module not found: Can't resolve 'fs'"
The fs module doesn't exist in the browser, it's a built-in node module for reading from the file system.
Instead, try to import the file.
import idl from "../idl/BigBazaar_IDL_Devnet.json";
export c …
- 2,907
1
vote
init anchor project cause problem with rust-analyzer
Seems like the required crate isn't installed yet.
Try running cargo run or cargo build
- 2,907
3
votes
What are the best practices I can do to secure my Solana smart contracts if I can't afford a...
While these won't comprehensively secure your program, there are a few security checks you can keep in mind;
Ownership checks:
An ownership check verifies that an account is owned by the expected publ …
- 2,907
2
votes
Where can I get programId after deploying the program through solana playground on devnet?
The program id is 8Xnz4ta9XGsq7A7mHTeMd9eg4JQoT7z1TxoiKdp3StVY
You can also find the program id on the build tab in solana playground:
- 2,907
4
votes
Instruction Error after upgrading solana program
You will need to migrate the account. There's a full guide how to do this on the cookbook
- 2,907
3
votes
Accepted
Can someone explain why Anchor's ".signers([ ])" not does work with "sendTransaction" from u...
The sendTransaction method attempts to do -- too much. It should be used for simple/basic examples.
sendTransaction will sign and send the transaction, irrespective if it's being signed.
On line 4495: …
- 2,907
2
votes
Finding instruction identifiers
Most programs support multiple discrete instructions - you decide when writing your program what these instructions are and what data must accompany them
Rust enums are often used to represent discret …
- 2,907