++

e2e-tests/test.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -o pipefail
+set -e
 
 # make sure we will be running script from the project root.
 mydir=$(dirname "$0")
@@ -47,10 +47,11 @@ deploy_contract () {
   set +a
 }
 
-# Retrieve all contract's crate names in `./examples` directory.
+# Retrieve all alphanumeric contract's crate names in `./examples` directory.
 get_example_crate_names () {
+  # shellcheck disable=SC2038
   # NOTE: optimistically relying on the 'name = ' string at Cargo.toml file
-  find ./examples -type f -print0 -name "Cargo.toml" | xargs -0 grep 'name = ' | grep -oE '".*"' | tr -d "'\""
+  find ./examples -type f -name "Cargo.toml" | xargs grep 'name = ' | grep -oE '".*"' | tr -d "'\""
 }
 
 export ALICE_PRIV_KEY=${ALICE_PRIV_KEY:-0x5744b91fe94e38f7cde31b0cc83e7fa1f45e31c053d015b9fb8c9ab3298f8a2d}

examples/erc721/src/lib.rs

@@ -49,13 +49,9 @@ impl Token {
         self.metadata.constructor(name, symbol, base_uri);
     }
 
-    pub fn mint(
-        &mut self,
-        to: Address,
-        token_id: U256,
-    ) -> Result<(), contracts::erc721::Error> {
+    pub fn mint(&mut self, to: Address, token_id: U256) -> Result<(), Vec<u8>> {
         self.pausable.when_not_paused()?;
-        self.erc721._mint(to, token_id)
+        self.erc721._mint(to, token_id).map_err(|e| e.into())
     }
 
     pub fn burn(&mut self, token_id: U256) -> Result<(), Vec<u8>> {