Create src/world.rs

src/world.rs

@@ -0,0 +1,60 @@
+use crate::vm::BCNVM;
+use crate::programs::CREDIT_REQUEST;
+use rand::Rng;
+
+pub struct World {
+    pub agents: Vec<BCNVM>,
+    pub tick: u64,
+}
+
+impl World {
+    pub fn new(n: usize) -> Self {
+        let mut agents = Vec::new();
+
+        for i in 0..n {
+            let id = format!("node-{}", i);
+            let vm = BCNVM::new(CREDIT_REQUEST.to_vec(), id);
+            agents.push(vm);
+        }
+
+        Self { agents, tick: 0 }
+    }
+
+    pub fn step(&mut self) {
+        self.tick += 1;
+        let mut rng = rand::thread_rng();
+
+        for agent in self.agents.iter_mut() {
+            let _ = agent.run();
+
+            // Crisis injection
+            if rng.gen_bool(0.01) {
+                agent.state.trust -= 20;
+                agent.state.default_risk += 0.2;
+            }
+
+            // Productivity growth
+            agent.state.productivity += rng.gen_range(0..3);
+
+            // Flow redistribution
+            agent.state.flow_total += rng.gen_range(0..50);
+        }
+
+        // Peer mesh gossip
+        for i in 0..self.agents.len() {
+            let snapshot = self.agents[i]
+                .mesh
+                .local_snapshot(&self.agents[i].state);
+
+            for j in 0..self.agents.len() {
+                if i != j {
+                    self.agents[j].mesh.ingest_peer(snapshot.clone());
+                }
+            }
+        }
+
+        for agent in self.agents.iter_mut() {
+            agent.mesh.reconcile(&mut agent.state);
+        }
+    }
+}