fix

Author: chenyan-dfinity

motoko/minimal-counter-dapp/src/minimal_dapp/main.mo

@@ -1,6 +1,6 @@
 actor {
 
-  var counter : Nat = 0;
+  stable counter : Nat = 0;
 
   public func count() : async Nat {
     counter += 1;

motoko/send_http_get/Makefile

@@ -3,6 +3,7 @@ all: build
 
 .PHONY: build
 .SILENT: build
+build:
 	dfx deploy send_http_get_backend
 
 .PHONY: test

rust/send_http_get/src/send_http_get_backend/src/lib.rs

@@ -25,7 +25,7 @@ async fn get_icp_usd_exchange() -> String {
     type Timestamp = u64;
     let start_timestamp: Timestamp = 1682978460; //May 1, 2023 22:01:00 GMT
     let seconds_of_time: u64 = 60; //we start with 60 seconds
-    let host = "api.pro.coinbase.com";
+    let host = "api.exchange.coinbase.com";
     let url = format!(
         "https://{}/products/ICP-USD/candles?start={}&end={}&granularity={}",
         host,
@@ -168,4 +168,4 @@ fn transform(raw: TransformArgs) -> HttpResponse {
         ic_cdk::api::print(format!("Received an error from coinbase: err = {:?}", raw));
     }
     res
-}
+}