feat(orders): signed orders (#40)

* feat: signed order

* chore: derive default on bindings, because it doesnt hurt

* chore: remove default derive

Author: Evalir

crates/types/src/lib.rs

@@ -18,7 +18,7 @@ mod block;
 pub use block::{decode_txns, encode_txns, Alloy2718Coder, Coder, ZenithBlock, ZenithTransaction};
 
 mod orders;
-pub use orders::AggregateOrders;
+pub use orders::{AggregateOrders, SignedOrder};
 
 mod req;
 pub use req::SignRequest;

crates/types/src/orders/mod.rs

@@ -1,2 +1,5 @@
 mod agg;
 pub use agg::AggregateOrders;
+
+mod signed;
+pub use signed::SignedOrder;

crates/types/src/orders/signed.rs

@@ -0,0 +1,20 @@
+use crate::bindings::HostOrders::{Output, Permit2Batch};
+use serde::{Deserialize, Serialize};
+
+/// A signed order.
+/// TODO: Link to docs.
+#[derive(Clone, Debug, Deserialize, Serialize, PartialEq, Eq)]
+pub struct SignedOrder {
+    /// The permit batch.
+    #[serde(flatten)]
+    pub permit: Permit2Batch,
+    /// The desired outputs.
+    pub outputs: Vec<Output>,
+}
+
+impl SignedOrder {
+    /// Creates a new signed order.
+    pub fn new(permit: Permit2Batch, outputs: Vec<Output>) -> Self {
+        Self { permit, outputs }
+    }
+}