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Discussion on: The Complete Guide to Full Stack Solana Development with React, Anchor, Rust, and Phantom

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Replies for: Very clear tutorial, thanks! Need some help. I've follow 'Building Hello World' part and deployed program to localhost cluster. After frontend call...

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phoenixdevguru profile image
Legendary Phoenix • • Edited

I am also getting this issue. I updated the lib.rs and Anchor.toml files with programID.

Here are the steps I've done.

anchor build
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And this returned the programID in the form of public key.

solana address -k target/deploy/example2-keypair.json
>BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54
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Replaced the program id in lib.rs and Anchor.toml

// lib.rs
use anchor_lang::prelude::*;

declare_id!("BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54");

#[program]
mod example2 {
    use super::*;

... ...
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// Anchor.toml
[programs.localnet]
example2 = "BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54"

[registry]
url = "https://anchor.projectserum.com"

[provider]
cluster = "localnet"
wallet = "~/.config/solana/id.json"

[scripts]
test = "mocha -t 1000000 tests/"
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anchor deploy
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I already checked the programID I am using in the app, and it matches to above one.

// App.js
  async function initialize() {    
    const provider = await getProvider();
    /* create the program interface combining the idl, program ID, and provider */
    const program = new Program(idl, programID, provider);
    console.log(program.programId.toBase58());
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But I am still getting this issue when I am trying to call the initialize() function.

Transaction simulation failed: Error processing Instruction 0: custom program error: 0xa7 
    Program BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54 invoke [1]
    Program 11111111111111111111111111111111 invoke [2]
    Program 11111111111111111111111111111111 success
    Program log: Custom program error: 0xa7
    Program BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54 consumed 5512 of 200000 compute units
    Program BEPhkwFSf3m5Daz5LZPZhBbeVBkvY3vKnGRiWtNwFn54 failed: custom program error: 0xa7
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I am really not sure why this happens and it's bothering me for days. Please help me if you have any idea.

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proto133 profile image
Peter Roto •

Did you fund the wallet?