From 6a4d5d1aada8b137a625ef9608c902cff4becc04 Mon Sep 17 00:00:00 2001
From: Marco Granelli <marco@heliax.dev>
Date: Tue, 13 Feb 2024 17:50:56 +0100
Subject: [PATCH] Allow vp updates in `vp_user`

---
 wasm/wasm_source/src/vp_user.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/wasm/wasm_source/src/vp_user.rs b/wasm/wasm_source/src/vp_user.rs
index 8bd4d0f014..681c56e71e 100644
--- a/wasm/wasm_source/src/vp_user.rs
+++ b/wasm/wasm_source/src/vp_user.rs
@@ -134,7 +134,14 @@ fn validate_tx(
             KeyType::PoS => validate_pos_changes(ctx, &addr, key, &valid_sig)?,
             KeyType::PgfSteward(address) => address != &addr || *valid_sig,
             KeyType::GovernanceVote(voter) => voter != &addr || *valid_sig,
-            KeyType::Vp(owner) => owner != &addr,
+            KeyType::Vp(owner) => {
+                let has_post: bool = ctx.has_key_post(key)?;
+                if owner == &addr {
+                    has_post && *valid_sig
+                } else {
+                    true
+                }
+            }
             KeyType::Masp | KeyType::Ibc => true,
             KeyType::Unknown => {
                 // Unknown changes require a valid signature