From 7d0aa89387f847adef459985cba9dacd8858134e Mon Sep 17 00:00:00 2001
From: NicolasCantu <nicolas.cantu@pm.me>
Date: Wed, 15 Jan 2025 13:05:01 +0100
Subject: [PATCH] Add children process validation method

---
 src/api.rs | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 84 insertions(+), 1 deletion(-)

diff --git a/src/api.rs b/src/api.rs
index 1700656..73fa898 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -50,7 +50,7 @@ use sdk_common::sp_client::silentpayments::{
     Error as SpError,
 };
 use sdk_common::{signature, MutexExt, MAX_PRD_PAYLOAD_SIZE};
-use serde_json::{Error as SerdeJsonError, Map, Value};
+use serde_json::{json, Error as SerdeJsonError, Map, Value};
 
 use serde::{de, Deserialize, Serialize};
 use tsify::{JsValueSerdeExt, Tsify};
@@ -1606,3 +1606,86 @@ pub fn get_storages(process_outpoint: String) -> ApiResult<Vec<String>> {
     
     Ok(vec![])
 }
+
+#[wasm_bindgen]
+pub fn is_child_role(parent_role: String, child_role: String) -> ApiResult<()> {
+    let parent_role_def: Value = serde_json::from_str(&parent_role)?;
+    let child_role_def: Value = serde_json::from_str(&child_role)?;
+    let json = json!({
+        "roles": parent_role_def
+    });
+
+    let parent_roles = json.extract_roles()?;
+    let json = json!({
+        "roles": child_role_def
+    });
+    let child_roles = json.extract_roles()?;
+
+    for (_, child_role) in &child_roles {
+        for child_member in &child_role.members {
+            let mut is_in_parent = false;
+            for (_, parent_role) in &parent_roles {
+                if parent_role.members.contains(&child_member) {
+                    is_in_parent = true;
+                }
+                if is_in_parent { break }
+            }
+            if !is_in_parent {
+                return Err(ApiError::new("child role contains a member not in parent".to_owned()));
+            }
+        }
+    }
+
+    Ok(())
+}
+
+#[wasm_bindgen]
+pub fn roles_contains_us(role: String) -> ApiResult<()> {
+    let roles: Value = serde_json::from_str(&role)?;
+
+    let json = json!({
+        "roles": roles
+    });
+
+    let roles = json.extract_roles()?;
+
+    let device = lock_local_device()?;
+
+    let us = device.to_member();
+
+    let mut contains_us = false;
+    for (_, role) in roles {
+        if role.members.contains(&us) {
+            contains_us = true;
+            break;
+        }
+    }
+
+    if !contains_us {
+        Err(ApiError::new("We're not part of that role".to_owned()))
+    } else {
+        Ok(())
+    }
+}
+
+#[wasm_bindgen]
+pub fn roles_contains_member(roles: String, member_str: Vec<String>) -> ApiResult<()> {
+    let json = json!({
+        "roles": serde_json::from_str(&roles)?
+    });
+
+    let roles = json.extract_roles()?;
+
+    let addresses: anyhow::Result<Vec<SilentPaymentAddress>> = member_str.iter()
+        .map(|s| SilentPaymentAddress::try_from(s.as_str()).map_err(|_| anyhow::Error::msg("Invalid string")))
+        .collect();
+    let member = Member::new(addresses?)?;
+
+    for (_, role) in roles {
+        if !role.members.contains(&member) {
+            return Err(ApiError::new("member is not part of that role".to_owned()));
+        }
+    }
+
+    Ok(())
+}