New update: change interest rate

2 files changed, 13 insertions, 1 deletions

diff --git a/src/bin/cli.rs b/src/bin/cli.rs
index 5ca388b..2dae8ec 100644
--- a/src/bin/cli.rs
+++ b/src/bin/cli.rs
@@ -2,7 +2,8 @@ use hiccup::{SimUpdate::*, SimUpdates, Simulation};
 
 fn main() {
     let mut sim = Simulation::new(390_000., 0.028, 30);
-    let updates: SimUpdates = Amortize(12_000.).every(12).and(Amortize(30_000.).at(1));
+    let updates: SimUpdates = Amortize(12_000.).every(12).and(Amortize(30_000.).at(1))
+        .and(SetI1(0.01).at(10));
 
     // let mut sim = Simulation::new(200_000., 0.01621, 30);
     // let updates: SimUpdates = SimUpdates::default();
diff --git a/src/lib.rs b/src/lib.rs
index 1f4a977..597a360 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -90,6 +90,10 @@ impl Simulation {
                     self.payed.principal += principal;
                     self.payed_amortized += principal;
                 }
+                SimUpdate::SetI1(i1) => {
+                    st.i12 = i1 / 12.0;
+                    st.calculate_monthly();
+                }
             }
         }
     }
@@ -261,6 +265,7 @@ impl SimUpdates {
 #[derive(Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum SimUpdate {
     Amortize(f64),
+    SetI1(f64),
 }
 
 impl fmt::Display for SimUpdate {
@@ -270,6 +275,9 @@ impl fmt::Display for SimUpdate {
             Self::Amortize(principal) => {
                 write!(f, "{principal:.2} amortized to reduce pending quotas]")
             }
+            Self::SetI1(i1) => {
+                write!(f, "I1 set to {i1:.2}]")
+            }
         }
     }
 }
@@ -296,6 +304,9 @@ fn flatten_amortizations(updates: Vec<SimUpdate>) -> Vec<SimUpdate> {
             SimUpdate::Amortize(n) => {
                 amortized += n;
             }
+            SimUpdate::SetI1(_) => {
+                result.push(update);
+            }
         }
     }
     if amortized > 0. {