update wrapped asset naming on Solana

Change-Id: I0dc2eb3e64d27ee50808dd549a292505bdb8e721

solana/Dockerfile.wasm

@@ -3,7 +3,7 @@ FROM docker.io/library/rust:1.49@sha256:a50165ea96983c21832578afb1c8c028674c965b
 
 RUN apt-get update && apt-get install -y libssl-dev libudev-dev pkg-config zlib1g-dev llvm clang
 RUN rustup component add rustfmt
-RUN rustup default nightly
+RUN rustup default nightly-2021-08-01
 
 WORKDIR /usr/src/bridge
 

solana/modules/token_bridge/program/src/api/create_wrapped.rs

@@ -140,9 +140,10 @@ pub fn create_wrapped(
         },
     )?;
 
-    let mut name = String::from("Wormhole: ") + accs.vaa.name.as_str();
-    name.truncate(32);
-    let mut symbol = String::from("wh") + accs.vaa.symbol.as_str();
+    let mut name = accs.vaa.name.clone();
+    name.truncate(32 - 11);
+    name += " (Wormhole)";
+    let mut symbol = accs.vaa.symbol.clone();
     symbol.truncate(10);
 
     let spl_token_metadata_ix = spl_token_metadata::instruction::create_metadata_accounts(