From 3531d7d8adbc5411bc74890db4b41aa505d5c7ac Mon Sep 17 00:00:00 2001
From: Osuji <weezdomosuji@gmail.com>
Date: Wed, 29 Oct 2025 01:57:06 +0100
Subject: [PATCH] chore: week 2 assignment

---
 code/src/main.rs                | 34 +++++++++++++++++++++++++++------
 code/src/week_2/ebuka_task_1.rs |  4 ++++
 code/src/week_2/ebuka_task_2.rs | 20 +++++++++++++++++++
 code/src/week_2/ebuka_task_3.rs | 12 ++++++++++++
 code/src/week_2/mod.rs          |  5 ++++-
 code/src/week_2/task_1.rs       |  3 +--
 6 files changed, 69 insertions(+), 9 deletions(-)
 create mode 100644 code/src/week_2/ebuka_task_1.rs
 create mode 100644 code/src/week_2/ebuka_task_2.rs
 create mode 100644 code/src/week_2/ebuka_task_3.rs

diff --git a/code/src/main.rs b/code/src/main.rs
index 4308031..a96ed7f 100644
--- a/code/src/main.rs
+++ b/code/src/main.rs
@@ -1,10 +1,32 @@
 // import session_3 module
 mod week_2;
 
-// entry point to run all topics covered
+// use week_2::ebuka_task_3;
+
+use week_2::ebuka_task_3::Network;
+
+use week_2::ebuka_task_3::get_rpc_url;
+
 fn main() {
-    // call functions from session_3 modules
-    week_2::function::run();
-    week_2::loops::run();
-    week_2::primitive_types::run();
-}
\ No newline at end of file
+    //First Task
+    let btc = 1.00;
+    let rate = 105000.00;
+    let value_in_usd = week_2::ebuka_task_1::btc_value_in_usd(btc, rate);
+    println!("value in usd {}", value_in_usd);
+
+    //Second Task
+    week_2::ebuka_task_2::mine_blocks(10);
+
+    //Third Task
+
+    let selected_network = Network::Regtest;
+    match selected_network {
+        Network::Mainnet => println!("Selected: Mainnet. This is the live production network."),
+        Network::Testnet => println!("Selected: Testnet. Use this for testing applications."),
+        Network::Regtest => {
+            println!("Selected: Regtest. This is a private network for local development.")
+        }
+    }
+    let rpc_url = get_rpc_url(&selected_network);
+    println!("RPC URL for network is: {}", rpc_url);
+}
diff --git a/code/src/week_2/ebuka_task_1.rs b/code/src/week_2/ebuka_task_1.rs
new file mode 100644
index 0000000..8e0b9af
--- /dev/null
+++ b/code/src/week_2/ebuka_task_1.rs
@@ -0,0 +1,4 @@
+//- Write a function `btc_value_in_usd(btc: f64, rate: f64) -> f64` that returns btc * rate.
+pub fn btc_value_in_usd(btc: f64, rate: f64) -> f64 {
+    btc * rate
+}
diff --git a/code/src/week_2/ebuka_task_2.rs b/code/src/week_2/ebuka_task_2.rs
new file mode 100644
index 0000000..5170735
--- /dev/null
+++ b/code/src/week_2/ebuka_task_2.rs
@@ -0,0 +1,20 @@
+pub fn mine_blocks(limit: u8) {
+    for height in 1..=limit {
+        let mut attempts = 1;
+        let target_difficulty = 3;
+
+        println!("\n--- Starting work for Block #{} ---", height);
+
+        while attempts <= target_difficulty {
+            println!("Simulating difficulty attempt #{}", attempts);
+            attempts += 1;
+        }
+        println!("*** Block #{} Mined! ***", height);
+
+        if height % 5 == 0 {
+            println!("!> Checkpoint reached at block #{} <!", height);
+        } else {
+            println!("!> Continuing chain {}", height);
+        }
+    }
+}
diff --git a/code/src/week_2/ebuka_task_3.rs b/code/src/week_2/ebuka_task_3.rs
new file mode 100644
index 0000000..33a391d
--- /dev/null
+++ b/code/src/week_2/ebuka_task_3.rs
@@ -0,0 +1,12 @@
+pub enum Network {
+    Mainnet,
+    Testnet,
+    Regtest,
+}
+pub fn get_rpc_url(network: &Network) -> &str {
+    match network {
+        Network::Mainnet => "https://api.mainnet.com/rpc",
+        Network::Testnet => "https://testnet-explorer.io/rpc",
+        Network::Regtest => "http://localhost:18443/rpc",
+    }
+}
diff --git a/code/src/week_2/mod.rs b/code/src/week_2/mod.rs
index 1747ed4..a3c3795 100644
--- a/code/src/week_2/mod.rs
+++ b/code/src/week_2/mod.rs
@@ -1,6 +1,9 @@
 // // import all the files within session_3
+pub mod ebuka_task_1;
+pub mod ebuka_task_2;
+pub mod ebuka_task_3;
 pub mod function;
 pub mod loops;
 pub mod primitive_types;
 pub mod slices;
-pub mod variables;
\ No newline at end of file
+pub mod variables;
diff --git a/code/src/week_2/task_1.rs b/code/src/week_2/task_1.rs
index f47db00..d1fa2e8 100644
--- a/code/src/week_2/task_1.rs
+++ b/code/src/week_2/task_1.rs
@@ -1,6 +1,5 @@
-
 fn btc_value_in_usd(btc: f64, rate: f64) -> f64 {
-    btc * rate 
+    btc * rate
 }
 //main run main
 fn main() {