Fix zkapp address

.env.template

@@ -2,6 +2,9 @@ ETH_CHAIN=<devnet/holesky>
 MINA_RPC_URL=<url>
 SAVE_PROOF=true/false # also false if other than "true" or variable were to be not defined
 
+## A Mina fee payer account is needed for running the Sudoku example
+#FEEPAYER_KEY=<private_key>
+
 ## These can be skipped if using devnet with Anvil.
 # BATCHER_ADDR=<optional>
 # BATCHER_ETH_ADDR=<optional>

core/src/utils/constants.rs

@@ -18,10 +18,8 @@ pub const MINA_HASH_SIZE: usize = 32;
 
 // Bridge related constants
 pub const BRIDGE_DEVNET_ETH_ADDR: &str = "0x700b6A60ce7EaaEA56F065753d8dcB9653dbAD35";
-pub const BRIDGE_HOLESKY_ETH_ADDR: &str = "0x4Eb39dB24B0E89D49dD082EA68d6aab6514C613B";
 pub const BRIDGE_TRANSITION_FRONTIER_LEN: usize = 16;
 pub const BRIDGE_ACCOUNT_DEVNET_ETH_ADDR: &str = "0xA15BB66138824a1c7167f5E85b957d04Dd34E468";
-pub const BRIDGE_ACCOUNT_HOLESKY_ETH_ADDR: &str = "0x148Ff17B5142B85Bf387baF48b8681ccc014A3c9";
 
 // Aligned related constants
 pub const PROOF_GENERATOR_ADDR: &str = "0x66f9664f97F2b50F62D13eA064982f936dE76657";

example/app/src/main.rs

@@ -19,7 +19,7 @@ use mina_bridge_core::{
 };
 use std::{process, str::FromStr, time::SystemTime};
 
-const MINA_ZKAPP_ADDRESS: &str = "B62qkAgG7MFhpemxLsveJC7Xr5G1RmkbttJjASAxeQR3sGGHQWQN3HP";
+const MINA_ZKAPP_ADDRESS: &str = "B62qmpq1JBejZYDQrZwASPRM5oLXW346WoXgbApVf5HJZXMWFPWFPuA";
 const SUDOKU_VALIDITY_DEVNET_ADDRESS: &str = "0xb19b36b1456E65E3A6D514D3F715f204BD59f431";
 const SUDOKU_VALIDITY_HOLESKY_ADDRESS: &str = "0xeAB6068E1e06941A9d47734FB49C3B9dD69E054d";
 

example/mina_zkapp/package.json

@@ -41,5 +41,8 @@
   },
   "engines": {
     "node": ">=18.14.0"
+  },
+  "dependencies": {
+    "dotenv": "^16.4.5"
   }
 }

example/mina_zkapp/src/run.ts

@@ -1,48 +1,25 @@
-import fs from 'fs/promises';
+import path from 'path';
 import { Sudoku, SudokuZkApp } from './sudoku.js';
 import { generateSudoku, solveSudoku } from './sudoku-lib.js';
-import { Mina, PrivateKey, NetworkId, fetchAccount } from 'o1js';
+import { Mina, PrivateKey, NetworkId, fetchAccount, PublicKey } from 'o1js';
+import dotenv from 'dotenv';
 
-const TX_MAX_TRIES = 5;
-const DEPLOY_ALIAS = "devnet";
-
-type Config = {
-  deployAliases: Record<
-    string,
-    {
-      networkId?: string;
-      url: string;
-      keyPath: string;
-      fee: string;
-      feepayerKeyPath: string;
-      feepayerAlias: string;
-    }
-  >;
-};
+dotenv.config({ path: '../../.env' });
 
-let configJson: Config = JSON.parse(await fs.readFile('config.json', 'utf8'));
-let config = configJson.deployAliases[DEPLOY_ALIAS];
-
-let feepayerKeysBase58: { privateKey: string; publicKey: string } = JSON.parse(
-  await fs.readFile(config.feepayerKeyPath, 'utf8')
-);
-let zkAppKeysBase58: { privateKey: string; publicKey: string } = JSON.parse(
-  await fs.readFile(config.keyPath, 'utf8')
-);
-let feepayerKey = PrivateKey.fromBase58(feepayerKeysBase58.privateKey);
-let zkAppKey = PrivateKey.fromBase58(zkAppKeysBase58.privateKey);
+const TX_MAX_TRIES = 5;
+const FEE = 0.1; // in MINA
 
+let feepayerKey = PrivateKey.fromBase58(process.env.FEEPAYER_KEY as string);
 let feepayerAddress = feepayerKey.toPublicKey();
-let zkAppAddress = zkAppKey.toPublicKey();
+
+let zkAppAddress = PublicKey.fromBase58("B62qmKCv2HaPwVRHBKrDFGUpjSh3PPY9VqSa6ZweGAmj9hBQL4pfewn");
 
 // define network (devnet)
 const Network = Mina.Network({
-  // We need to default to the testnet networkId if none is specified for this deploy alias in config.json
-  // This is to ensure the backward compatibility.
-  networkId: config.networkId as NetworkId,
-  mina: config.url,
+  networkId: "testnet" as NetworkId,
+  mina: "https://api.minascan.io/node/devnet/v1/graphql",
 });
-const fee = Number(config.fee) * 1e9; // in nanomina (1 billion = 1.0 mina)
+const fee = Number(FEE) * 1e9; // in nanomina (1 billion = 1.0 mina)
 Mina.setActiveInstance(Network);
 
 // define zkapp and create sudoku to upload
@@ -55,7 +32,7 @@ const sudoku = generateSudoku(0.5);
 console.log('Compiling Sudoku');
 await SudokuZkApp.compile();
 
-console.log("Sending update transaction and waiting until it's included in a block");
+console.log("Sending update transaction");
 await trySendTx(
   { sender: feepayerAddress, fee },
   async () => {
@@ -77,7 +54,7 @@ console.log('Is the sudoku solved?', zkApp.isSolved.get().toBoolean());
 async function trySendTx(sender: Mina.FeePayerSpec, f: () => Promise<void>) {
   for (let i = 1; i <= TX_MAX_TRIES; i++) {
     try {
-      console.log("Defining transaction");
+      console.log("Define new transaction");
       const tx = await Mina.transaction(sender, f);
 
       console.log("Proving transaction");