Fix create account and example codes

examples/charge.ts

@@ -1,17 +1,17 @@
-import { Ainize } from '@ainize-team/ainize-js';
+import Ainize from '@ainize-team/ainize-js';
 const ainPrivateKey = ''; // Insert your private key here
 const main = async () => {
   try {
     const ainize = new Ainize(1);  // 0 for testnet, 1 for mainnet. You can earn testnet AIN at https://faucet.ainetwork.ai/.
     await ainize.login(ainPrivateKey);
     console.log('balance: ',await ainize.getAinBalance());
-    const model = await ainize.getModel('ainize_free_inference');
+    const model = await ainize.getModel('meta-llama/Llama-3.1-8B-instruct');
     console.log(model.modelName);
     console.log("before charge: ",await model.getCreditBalance());
     await model.chargeCredit(10);
     console.log("after charge: ",await model.getCreditBalance());
     ainize.logout();
-  }catch(e) {
+  } catch(e) {
     console.log(e);
   }
 }

examples/deploy.ts

@@ -1,19 +1,19 @@
-import { Ainize } from '@ainize-team/ainize-js';
+import Ainize from '@ainize-team/ainize-js';
 const ainPrivateKey = ''; // Insert your private key here
 
 const main = async () => {
   try {
     const ainize = new Ainize(1); // 0 for testnet, 1 for mainnet. You can earn testnet AIN at https://faucet.ainetwork.ai/.
     await ainize.login(ainPrivateKey);
-    console.log('balance: ',await ainize.getAinBalance());
+    console.log('balance: ', await ainize.getAinBalance());
     const deployConfig = {
       modelName: 'YOUR_MODEL_NAME',
-      modelUrl: 'YOUR_MODEL_INFERENCE_URL' // e.g. https://ainize-free-inference.ainetwork.xyz
+      modelUrl: 'YOUR_MODEL_INFERENCE_URL'
     }
     const model = await ainize.deploy(deployConfig); 
     console.log(model.modelName);
     ainize.logout();
-  }catch(e) {
+  } catch(e) {
     console.log(e);
   }
 }

examples/request.ts

@@ -1,12 +1,12 @@
-import { Ainize } from '@ainize-team/ainize-js';
+import Ainize from '@ainize-team/ainize-js';
 const ainPrivateKey = ''; // Insert your private key here
 
 const main = async () => {
   try {
     const ainize = new Ainize(1);  // 0 for testnet, 1 for mainnet. You can earn testnet AIN at https://faucet.ainetwork.ai/.
     await ainize.login(ainPrivateKey);
     console.log('balance: ',await ainize.getAinBalance());
-    const inferenceModel = await ainize.getModel('ainize_free_inference');
+    const inferenceModel = await ainize.getModel('meta-llama/Llama-3.1-8B-instruct');
     console.log(inferenceModel.modelName);
     console.log(await inferenceModel.getCreditBalance());
     const request = {
@@ -17,7 +17,7 @@ const main = async () => {
     const response = await inferenceModel.request(request);
     console.log(response);
     ainize.logout();
-  }catch(e) {
+  } catch(e) {
     console.log(e);
   }
 }

package.json

@@ -10,7 +10,7 @@
     "docs": "yarn build && typedoc --options typedoc.json --out docs"
   },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   },
   "repository": {
     "type": "git",

src/ain.ts

@@ -18,20 +18,23 @@ export default class AinModule {
     return AinModule.instance;
   }
 
+  static createAccount() {
+    const blockchainAPIEndpoint = getBlockChainAPIEndpoint(0);
+    const blockchainEventEndpoint = getBlockChainEventEndpoint(0);
+    const ain = new Ain(blockchainAPIEndpoint, blockchainEventEndpoint, 0);
+
+    const newAccount = ain.wallet.create(1)[0];
+    const wallet = ain.wallet.accounts[newAccount];
+
+    return wallet;
+  }
+
   initAin(chainId: 0 | 1) {
     const blockchainAPIEndpoint = getBlockChainAPIEndpoint(chainId);
     const blockchainEventEndpoint = getBlockChainEventEndpoint(chainId);
     this.ain = new Ain(blockchainAPIEndpoint, blockchainEventEndpoint, chainId);
   }
 
-  createAccount() {
-    this.checkAinInitiated();
-    const newAccount = this.ain!.wallet.create(1)[0];
-    const wallet = this.ain!.wallet.accounts[newAccount];
-    this.ain!.wallet.remove(newAccount);
-    return wallet;
-  }
-
   setDefaultAccount(privateKey: string) {
     this.checkAinInitiated();
     this.ain!.wallet.addAndSetDefaultAccount(privateKey);

src/ainize.ts

@@ -32,7 +32,7 @@ export default class Ainize {
    * @returns {Account} created account.
    */
   static createAinAccount (): Account {
-    return AinModule.getInstance().createAccount();
+    return AinModule.createAccount();
   }
 
   /**