first realaase of version 3

assets/keys/miner.json

@@ -1,4 +1,4 @@
 {
-	"publicKey": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEARZFWSXfMHfZ5WWZeqhznPwKV09wq8Cmg9wkLO+dHDoc=\n-----END PUBLIC KEY-----\n",
-	"privateKey": "-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEIA7c9FpfySYc+gvaORHZ43oFuacwzayoK5qCRvBAl7kB\n-----END PRIVATE KEY-----\n"
+	"publicKey": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAQuJ8hp9ntC2z/q+i9TA60NzxLf5JGbSax76JWr+vp8A=\n-----END PUBLIC KEY-----\n",
+	"privateKey": "-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEIG1YwIi76G+K6C0HKg+lH+Q69k03Kp/D8bKXcX6OYuq1\n-----END PRIVATE KEY-----\n"
 }

assets/keys/user.json

@@ -1,4 +1,4 @@
 {
-	"publicKey": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEABMxC5bHBMsrZbx2G2mr2Jz+YDJor2JOBIkHoVV/0Wfg=\n-----END PUBLIC KEY-----\n",
-	"privateKey": "-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEIERQntg1KdePgNTwvk6smrg2WJtcRCpNvCPsuxqCPFkn\n-----END PRIVATE KEY-----\n"
+	"publicKey": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEABYuR9ZVr8WRemSZX6RaTlXFmzMZ8Erx3OKsxGi3alXk=\n-----END PUBLIC KEY-----\n",
+	"privateKey": "-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEIMYnQt+xnEA8Iy8BYdxkBSahcWZ7mc0bb9HIZkdXCnWQ\n-----END PRIVATE KEY-----\n"
 }

readme.md

@@ -1,6 +1,6 @@
 # GoodChain
 
-Welcome to **GoodChain**, a blockchain platform designed for both beginners and experienced users, seeking simplicity and flexibility. Built with `TypeScript` and `LevelDB (soon)`, **GoodChain** offers a customizable environment for experimenting with consensus algorithms, including a default Simple **Proof-of-Work (PoW)** option.
+Welcome to **GoodChain**, a blockchain platform designed for both beginners and experienced users, seeking simplicity and flexibility. Built with `TypeScript` and `LevelDB`, **GoodChain** offers a customizable environment for experimenting with consensus algorithms, including a default Simple **Proof-of-Work (PoW)** option.
 
 **GoodChain** is a distributed ledger that enables secure and irreversible transactions across a peer-to-peer distributed network of nodes, ensuring the integrity of data.  
 
@@ -139,13 +139,13 @@ This project is licensed under the GNU General Public License.
 
 The first version of `GoodChain` was a simple blockchain implementation used to learn about blockchain technology. It used `json` files to store the blockchain data. Check out the [releases](https://github.com/mlibre/GoodChain/releases/tag/1.0.5) to see the code.
 
-### Version 2 (latest version)
+### Version 2
 
-The second version of `GoodChain` built using `Node.js` and `Express.js`, and uses `git` to store the blockchain data.
+The second version of `GoodChain` built using `Node.js` and `Express.js`, and uses `git` to store the blockchain data. Check out the [releases](https://github.com/mlibre/GoodChain/releases/tag/2.0.2) to see the code.
 
-### Version 3 (in progress)
+### Version 3 (latest version)
 
-The third version of `GoodChain` is built using `TypeScript`, `Express.js`, and `TypeORM`.
+The third version of `GoodChain` is built using `TypeScript`, `Express.js`, and `LevelDB`.
 
 ## Donate 💖
 

src/library/chain.ts

@@ -5,11 +5,9 @@ export default class ChainStore
 {
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	public db: any;
-	sublevel: string;
 	constructor ( leveldb: Level<string, BlockData> )
 	{
-		this.sublevel = "chain";
-		this.db = leveldb.sublevel<string, BlockData>( this.sublevel, { valueEncoding: "json" });
+		this.db = leveldb.sublevel<string, BlockData>( "chain", { valueEncoding: "json" });
 	}
 
 	async length (): Promise<number>
@@ -43,7 +41,7 @@ export default class ChainStore
 	async get ( blockNumber: number | string ): Promise<BlockData>
 	{
 		const blockIndex = parseInt( blockNumber.toString() );
-		if ( blockIndex >= await this.length() || blockIndex < 0 )
+		if ( blockIndex > await this.length() || blockIndex < 0 )
 		{
 			throw new Error( "Invalid block number" );
 		}
@@ -82,7 +80,7 @@ export default class ChainStore
 	{
 		const action: PutAction = {
 			type: "put",
-			sublevel: this.sublevel,
+			sublevel: this.db,
 			key: block.index.toString(),
 			value: block
 		};

src/library/wallet.ts

@@ -8,11 +8,9 @@ class Wallet
 {
 	// eslint-disable-next-line @typescript-eslint/no-explicit-any
 	public db: any;
-	sublevel: string;
 	constructor ( leveldb: Level<string, BlockData> )
 	{
-		this.sublevel = "wallet";
-		this.db = leveldb.sublevel<string, UserWallet>( this.sublevel, { valueEncoding: "json" });
+		this.db = leveldb.sublevel<string, UserWallet>( "wallet", { valueEncoding: "json" });
 	}
 
 	async allWallets (): Promise<AllWallets>
@@ -121,7 +119,7 @@ class Wallet
 		wallet.balance += amount;
 		const action: PutAction = {
 			type: "put",
-			sublevel: this.sublevel,
+			sublevel: this.db,
 			key: address,
 			value: wallet
 		};
@@ -140,7 +138,7 @@ class Wallet
 		wallet.transaction_number++;
 		const action: PutAction = {
 			type: "put",
-			sublevel: this.sublevel,
+			sublevel: this.db,
 			key: address,
 			value: wallet
 		};