From c4bdafaef02ce26fb0384f1a7c177cb2f5f109ca Mon Sep 17 00:00:00 2001
From: Jongwhan Lee <51560997+leejw51crypto@users.noreply.github.com>
Date: Wed, 6 Dec 2023 15:46:38 +0800
Subject: [PATCH] Problem: wc 2.0 fix not applied to c++ api (fix #467) (#468)

reformat

update log
---
 CHANGELOG.md                             | 1 +
 extra-cpp-bindings/src/lib.rs            | 1 +
 extra-cpp-bindings/src/walletconnect2.rs | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6554ba5a..e7b3091b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 
 ## [v0.0.24-alpha] - 2023-12-4
 - fix walletconnect 2.0 send_tx
+- add from_address for walletconnect 2.0 sendtx
 
 ## [v0.0.23-alpha] - 2023-8-7
 - add mac universal binary (arm64 + x86_64)
diff --git a/extra-cpp-bindings/src/lib.rs b/extra-cpp-bindings/src/lib.rs
index 88a251e3..fe464792 100644
--- a/extra-cpp-bindings/src/lib.rs
+++ b/extra-cpp-bindings/src/lib.rs
@@ -129,6 +129,7 @@ mod ffi {
     /// wallet connect cronos(eth) eip155-tx signing info
     #[derive(Debug, Default)]
     pub struct WalletConnectTxEip155 {
+        pub from: String,  // hexstring, "0x..."
         pub to: String,    // hexstring, "0x..."
         pub value: String, // decimal string, in wei units
         pub data: Vec<u8>, // data, as bytes
diff --git a/extra-cpp-bindings/src/walletconnect2.rs b/extra-cpp-bindings/src/walletconnect2.rs
index d6646c2a..ba09d31d 100644
--- a/extra-cpp-bindings/src/walletconnect2.rs
+++ b/extra-cpp-bindings/src/walletconnect2.rs
@@ -300,6 +300,11 @@ impl Walletconnect2Client {
 
         let mut tx = Eip1559TransactionRequest::new();
 
+        if !userinfo.from.is_empty() {
+            // from address is necessary for wc.20 , metamask
+            tx = tx.from(Address::from_str(&userinfo.from)?);
+        }
+
         if !userinfo.to.is_empty() {
             tx = tx.to(NameOrAddress::Address(Address::from_str(&userinfo.to)?));
         }