Refactored into multiple modules

crates/oracle-demo/src/oracle/node.rs

@@ -0,0 +1,45 @@
+use std::sync::{Arc, Mutex};
+
+use rand::Rng;
+
+use crate::{utils, AssetPair, OracleId, PriceAttestation};
+
+pub(crate) struct OracleNode {
+    pub(crate) id: OracleId,
+    pub(crate) crdt: Arc<Mutex<super::OracleNetworkCRDT>>,
+    pub(crate) is_byzantine: bool,
+    pub(crate) base_price: f64,
+}
+
+impl OracleNode {
+    pub(crate) fn new(id: String, is_byzantine: bool) -> Self {
+        Self {
+            id: OracleId(id),
+            crdt: Arc::new(Mutex::new(super::OracleNetworkCRDT::new())),
+            is_byzantine,
+            base_price: 2500.0,
+        }
+    }
+
+    pub(crate) fn submit_price(&self) {
+        let mut rng = rand::rng();
+
+        let price = if self.is_byzantine {
+            self.base_price * 1.2 // Try to manipulate 20% higher
+        } else {
+            self.base_price * (1.0 + rng.random_range(-0.01..0.01))
+        };
+
+        let attestation = PriceAttestation {
+            id: format!("{}_{}", self.id.0, utils::timestamp()),
+            oracle_id: self.id.clone(),
+            asset_pair: AssetPair("ETH/USD".to_string()),
+            price,
+            confidence: if self.is_byzantine { 50 } else { 95 },
+            timestamp: utils::timestamp(),
+        };
+
+        let mut crdt = self.crdt.lock().unwrap();
+        crdt.submit_attestation(attestation);
+    }
+}