From 8e9d7f0c76b35296e26a6c5d34b8ee2983490f36 Mon Sep 17 00:00:00 2001
From: Sosthene <contact@sosthene.net>
Date: Tue, 12 Aug 2025 12:52:14 +0200
Subject: [PATCH] remove wasm processes cache

---
 src/services/service.ts | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

diff --git a/src/services/service.ts b/src/services/service.ts
index d225bdc..7e1617a 100755
--- a/src/services/service.ts
+++ b/src/services/service.ts
@@ -541,10 +541,40 @@ export default class Services {
     // await this.saveCipherTxToDb(parsedTx)
   }
 
-  async parseNewTx(tx: string) {
+  async parseNewTx(newTxMsg: string) {
+    const parsedMsg: NewTxMessage = JSON.parse(newTxMsg); 
+    if (parsedMsg.error !== null) {
+      console.error('Received error in new tx message:', parsedMsg.error);
+      return;
+    }
+
     const membersList = this.getAllMembers();
     try {
-      const parsedTx = this.sdkClient.parse_new_tx(tx, 0, membersList);
+      // Does the transaction spend the tip of a process?
+      const prevouts = this.sdkClient.get_prevouts(parsedMsg.transaction);
+      console.log('prevouts:', prevouts);
+      for (const process of Object.values(this.processesCache)) {
+        const tip = process.states[process.states.length - 1].commited_in;
+        if (prevouts.includes(tip)) {
+          const processId = process.states[0].commited_in;
+          const newTip = this.sdkClient.get_txid(parsedMsg.transaction);
+          console.log('Transaction', newTip, 'spends the tip of process', processId);
+          // We take the data out of the output
+          const newStateId = this.sdkClient.get_new_state_id(parsedMsg.transaction);
+          console.log('newStateId:', newStateId);
+          // We update the relevant process
+          const updatedProcess = this.sdkClient.process_commit_new_state(process, newStateId, newTip);
+          this.processesCache[processId] = updatedProcess;
+          console.log('updatedProcess:', updatedProcess);
+          break;
+        }
+      }
+    } catch (e) {
+      console.error('Failed to parse new tx for commitments:', e);
+    }
+
+    try {
+      const parsedTx = this.sdkClient.parse_new_tx(parsedMsg.transaction, 0, membersList);
       if (parsedTx) {
         try {
           await this.handleApiReturn(parsedTx);
@@ -555,7 +585,7 @@ export default class Services {
         }
       }
     } catch (e) {
-      console.trace(e);
+      console.debug(e);
     }
   }
 
@@ -1060,7 +1090,7 @@ export default class Services {
     await this.restoreProcessesFromDB();
   }
 
-  // Restore process in wasm with persistent storage
+  // Restore processes cache from persistent storage
   public async restoreProcessesFromDB() {
     const db = await Database.getInstance();
     try {
@@ -1068,7 +1098,6 @@ export default class Services {
       if (processes && Object.keys(processes).length != 0) {
         console.log(`Restoring ${Object.keys(processes).length} processes`);
         this.processesCache = processes;
-        this.sdkClient.set_process_cache(processes);
       } else {
         console.log('No processes to restore!');
       }