++

dfx.json

@@ -27,7 +27,8 @@
 		"cycles_wallet": {
 			"type": "custom",
 			"candid": "https://github.com/dfinity/cycles-wallet/releases/download/20240410/wallet.did",
-			"wasm": "https://github.com/dfinity/cycles-wallet/releases/download/20240410/wallet.wasm"
+			"wasm": "https://github.com/dfinity/cycles-wallet/releases/download/20240410/wallet.wasm",
+			"gzip": true
 		}
 	},
 	"defaults": {

src/example/paid_service/tests/it/icrc2.rs

@@ -14,7 +14,8 @@ pub struct CallerPaysWithIcRc2TestSetup {
     paid_service: PicCanister,
     /// ICRC2 ledger
     ledger: PicCanister,
-    /// User's cycles wallet
+    /// User's wallet.  We use the cycles wallet so that we can top it up easily, but any source of funds will do, with any ICRC-2 token.
+    wallet: PicCanister,
 }
 impl Default for CallerPaysWithIcRc2TestSetup {
     fn default() -> Self {
@@ -33,10 +34,12 @@ impl Default for CallerPaysWithIcRc2TestSetup {
                 .expect("Failed to encode ledger init arg"),
             )
             .deploy_to(pic.clone());
+        let  wallet = PicCanister::new(pic.clone(), &PicCanister::dfx_wasm_path("cycles_wallet"));
         Self {
             pic,
             paid_service: api_canister,
             ledger,
+            wallet,
         }
     }
 }

src/example/paid_service/tests/it/util/pic_canister.rs

@@ -78,7 +78,9 @@ pub trait PicCanisterTrait {
             .unwrap()
             .to_string()
     }
-    /// The path to the wasm after `dfx deploy`.
+    /// The path to the wasm after `dfx deploy`.  Expects the Wasm to be gzipped.
+    /// 
+    /// If not already gzipped, please add this to the canister declaration in `dfx.json`: `"gzip": true`
     fn dfx_wasm_path(name: &str) -> String {
         Self::workspace_dir().join(format!(".dfx/local/canisters/{name}/{name}.wasm.gz"))
             .to_str()