Weeek 2 assignment

code/src/main.rs

@@ -7,4 +7,7 @@ fn main() {
     week_2::function::run();
     week_2::loops::run();
     week_2::primitive_types::run();
+    week_2::soma_task_1::main();
+    week_2::soma_task_2::mine_blocks(10);
+    week_2::soma_task_3::main()
 }

code/src/week_2/mod.rs

@@ -3,4 +3,7 @@ pub mod function;
 pub mod loops;
 pub mod primitive_types;
 pub mod slices;
-pub mod variables;
+pub mod variables;
+pub mod soma_task_1;
+pub mod soma_task_2;
+pub mod soma_task_3;

code/src/week_2/soma_task_1.rs

@@ -0,0 +1,18 @@
+// Function that takes BTC amount and exchange rate, returns USD value
+fn btc_value_in_usd(btc: f64, rate: f64) -> f64 {
+    {
+        btc * rate
+    }
+}
+
+pub fn main() {
+
+    let btc_amount = 1.0;                         // I own 1.0 BTC
+    let exchange_rate = 65000.0;                  // Current exchange_rate of BTC: $65,000 per BTC
+
+    // Calculate USD value
+    let usd_value = btc_value_in_usd(btc_amount, exchange_rate);
+
+    println!("{} BTC = ${:.2} USD", btc_amount, usd_value);
+}
+

code/src/week_2/soma_task_2.rs

@@ -0,0 +1,18 @@
+pub fn mine_blocks(limit: u8) {
+    let mut height = 1;
+    let mut difficulty = 1;
+
+    while height <= limit {
+        println!("Mining block #{}, Difficulty: {}", height, difficulty);
+
+        // Check for checkpoints every 5 blocks
+        if height % 5 == 0 {
+            println!("Checkpoint reached!");
+
+            // Increase difficulty after each checkpoint
+            difficulty += 1;
+        }
+
+        height += 1;
+    }
+}

code/src/week_2/soma_task_3.rs

@@ -0,0 +1,36 @@
+enum Network {
+    Mainnet,
+    Testnet,
+    Regtest,
+}
+
+fn get_rpc_url(network: &Network) -> &str {
+    match network {
+        Network::Mainnet => "https://mainnet.example.com",
+        Network::Testnet => "https://testnet.example.com",
+        Network::Regtest => "http://localhost:8332",
+    }
+}
+
+fn print_network_details(network: &Network) {
+    match network {
+        Network::Mainnet => println!("This is the main Bitcoin network."),
+        Network::Testnet => println!("This is the test Bitcoin network."),
+        Network::Regtest => println!("This is the regtest Bitcoin network."),
+    }
+}
+
+pub fn main() {
+    let network = Network::Regtest;
+
+    print_network_details(&network);
+    println!("RPC URL: {}", get_rpc_url(&network));
+    let network = Network::Mainnet;
+
+    print_network_details(&network);
+    println!("RPC URL: {}", get_rpc_url(&network));
+    let network = Network::Testnet;
+
+    print_network_details(&network);
+    println!("RPC URL: {}", get_rpc_url(&network));
+}