feat(router): Add Smart Routing to route payments efficiently (#2665)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: shashank_attarde <shashank.attarde@juspay.in>
Co-authored-by: Aprabhat19 <amishaprabhat@gmail.com>
Co-authored-by: Amisha Prabhat <55580080+Aprabhat19@users.noreply.github.com>

crates/euclid/src/frontend/vir.rs

@@ -0,0 +1,37 @@
+//! Valued Intermediate Representation
+use crate::types::{EuclidValue, Metadata};
+
+#[derive(Debug, Clone)]
+pub enum ValuedComparisonLogic {
+    NegativeConjunction,
+    PositiveDisjunction,
+}
+
+#[derive(Clone, Debug)]
+pub struct ValuedComparison {
+    pub values: Vec<EuclidValue>,
+    pub logic: ValuedComparisonLogic,
+    pub metadata: Metadata,
+}
+
+pub type ValuedIfCondition = Vec<ValuedComparison>;
+
+#[derive(Clone, Debug)]
+pub struct ValuedIfStatement {
+    pub condition: ValuedIfCondition,
+    pub nested: Option<Vec<ValuedIfStatement>>,
+}
+
+#[derive(Clone, Debug)]
+pub struct ValuedRule<O> {
+    pub name: String,
+    pub connector_selection: O,
+    pub statements: Vec<ValuedIfStatement>,
+}
+
+#[derive(Clone, Debug)]
+pub struct ValuedProgram<O> {
+    pub default_selection: O,
+    pub rules: Vec<ValuedRule<O>>,
+    pub metadata: Metadata,
+}