feat: signer-types (#21)

added signer types

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "omni-transaction"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["Proximity Labs Limited"]
 license = "Apache-2.0"
 edition = "2021"

src/lib.rs

@@ -6,5 +6,6 @@ pub mod evm;
 pub mod near;
 
 pub mod constants;
+pub mod signer;
 pub mod transaction_builder;
 pub mod types;

src/signer/mod.rs

@@ -0,0 +1 @@
+pub mod types;

src/signer/types.rs

@@ -0,0 +1,39 @@
+use near_sdk::ext_contract;
+use near_sdk::serde::{Deserialize, Serialize};
+use near_sdk::NearToken;
+use schemars::JsonSchema;
+
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
+#[serde(crate = "near_sdk::serde")]
+pub struct SignatureResponse {
+    pub big_r: SerializableAffinePoint,
+    pub s: SerializableScalar,
+    pub recovery_id: u8,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
+#[serde(crate = "near_sdk::serde")]
+pub struct SerializableAffinePoint {
+    pub affine_point: String,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone, JsonSchema)]
+#[serde(crate = "near_sdk::serde")]
+pub struct SerializableScalar {
+    pub scalar: String,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(crate = "near_sdk::serde")]
+pub struct SignRequest {
+    pub payload: [u8; 32],
+    pub path: String,
+    pub key_version: u32,
+}
+
+#[allow(dead_code)]
+#[ext_contract(mpc_contract)]
+pub trait MPCContract {
+    fn sign(&self, request: SignRequest);
+    fn experimental_signature_deposit(&self) -> NearToken;
+}