week 2 assignment

code/src/main.rs

@@ -2,9 +2,14 @@
 mod week_2;
 
 // entry point to run all topics covered
+
 fn main() {
     // call functions from session_3 modules
     week_2::function::run();
     week_2::loops::run();
     week_2::primitive_types::run();
+    week_2::greg_task_2::mine_blocks(10);
+
+    week_2::greg_task_3::get_rpc_url(&week_2::greg_task_3::Network::Mainnet);
+
 }

code/src/week_2/greg_task_1.rs

@@ -0,0 +1,4 @@
+fn btc_value_in_usd(btc: f64, rate: f64) -> f64{
+    btc * rate
+}
+fn main(){}

code/src/week_2/greg_task_2.rs

@@ -0,0 +1,17 @@
+pub fn mine_blocks(limit: u8) {
+    let mut difficulty = 1;
+
+    for height in 1..=limit {
+        println!("Mining block #{}", height);
+        while difficulty < 5 {
+            difficulty += 1
+        }
+
+        if height % 5 == 0 {
+            println!("Checkpoint reached");
+        } else {
+            let block_after_checkpoint=height % 5;
+            println!("blocks after check Point #{block_after_checkpoint}");
+        }
+    }
+}

code/src/week_2/greg_task_3.rs

@@ -0,0 +1,13 @@
+pub enum Network {
+    Mainnet,
+    Testnet,
+    Regtest,
+}
+
+pub fn get_rpc_url(network: &Network) -> &str {
+    match network {
+        Network::Mainnet => "https//btc_mainnet_rpc.com",
+        Network::Regtest => "https//btc_Regtest_rpc.com",
+        Network::Testnet => "https//btc_testnet_rpc.com",
+    }
+}

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 greg_task_1;
+pub mod greg_task_2;
+pub mod greg_task_3;