Problem: wc 2.0 fix not applied to c++ api (fix #467)

reformat

update log

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)

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

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)?));
         }