From f4122a6e633d4f652a2327c07a7544e13d1e3d83 Mon Sep 17 00:00:00 2001
From: NicolasCantu <nicolas.cantu@pm.me>
Date: Fri, 6 Jun 2025 22:46:48 +0200
Subject: [PATCH] Add hash_value method

---
 src/api.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/api.rs b/src/api.rs
index 46d3763..63b1aa3 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -13,6 +13,7 @@ use rand::{thread_rng, Fill, Rng, RngCore};
 use sdk_common::aes_gcm::aead::generic_array::GenericArray;
 use sdk_common::aes_gcm::aes::cipher::ArrayLength;
 use sdk_common::aes_gcm::Nonce;
+use sdk_common::hash::AnkPcdHash;
 use sdk_common::log::{self, debug, info, warn};
 
 use anyhow::{anyhow, Context};
@@ -64,7 +65,7 @@ use sdk_common::network::{
     NewTxMessage,
 };
 use sdk_common::pcd::{
-    AnkPcdHash, AnkPcdTag, FileBlob, Member, Pcd, PcdCommitments, RoleDefinition, Roles, ValidationRule
+    FileBlob, Member, Pcd, PcdCommitments, RoleDefinition, Roles, ValidationRule
 };
 use sdk_common::prd::{AnkPrdHash, Prd, PrdType};
 use sdk_common::silentpayments::{create_transaction as internal_create_transaction, sign_transaction as internal_sign_tx, TsUnsignedTransaction};
@@ -1719,3 +1720,11 @@ pub fn decode_value(value: Vec<u8>) -> ApiResult<JsValue> {
     let res: Value = sdk_common::serialization::ciborium_deserialize(&value)?;
     Ok(serde_wasm_bindgen::to_value(&res)?)
 }
+
+#[wasm_bindgen]
+pub fn hash_value(value: JsValue, commited_in: String, label: String) -> ApiResult<String> {
+    let outpoint = OutPoint::from_str(&commited_in)?;
+    let encoded_value = sdk_common::serialization::ciborium_serialize(&serde_wasm_bindgen::from_value::<FileBlob>(value)?)?;
+    let hash = AnkPcdHash::from_pcd_value(encoded_value.as_slice(), label.as_bytes(), &outpoint);
+    Ok(hash.as_byte_array().to_lower_hex_string())
+}