Add int tests to workflow

Cleanup CI dependancies

Author: sanket1729

.github/workflows/rust.yml

@@ -47,6 +47,23 @@ jobs:
           DO_FMT: true
         run: ./contrib/test.sh
 
+  Int-tests:
+    name: Integration tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Crate
+        uses: actions/checkout@v2
+      - name: Checkout Toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Running integration tests
+        env:
+          DO_BITCOIND_TESTS: true
+        run: ./contrib/test.sh
+
   Tests:
     name: Tests
     runs-on: ubuntu-latest

contrib/test.sh

@@ -4,33 +4,26 @@ set -ex
 
 FEATURES="compiler serde rand base64"
 
-cargo update -p serde --precise 1.0.142
-cargo update -p serde_derive --precise 1.0.142
-
 cargo --version
 rustc --version
 
+# Format if told to
+if [ "$DO_FMT" = true ]
+then
+    rustup component add rustfmt
+    cargo fmt -- --check
+fi
+
 # Pin dependencies required to build with Rust 1.41.1
 if cargo --version | grep "1\.41\.0"; then
-    cargo update -p url --precise 2.2.2
-    cargo update -p form_urlencoded --precise 1.0.1
     cargo update -p once_cell --precise 1.13.1
-    cargo update -p bzip2 --precise 0.4.2
-    cargo update -p which --precise 4.3.0
 fi
 
 # Pin dependencies required to build with Rust 1.47.0
 if cargo --version | grep "1\.47\.0"; then
     cargo update -p once_cell --precise 1.13.1
 fi
 
-# Format if told to
-if [ "$DO_FMT" = true ]
-then
-    rustup component add rustfmt
-    cargo fmt -- --check
-fi
-
 # Fuzz if told to
 if [ "$DO_FUZZ" = true ]
 then
@@ -42,6 +35,15 @@ then
     exit 0
 fi
 
+# Test bitcoind integration tests if told to (this only works with the stable toolchain)
+if [ "$DO_BITCOIND_TESTS" = true ]; then
+    cd bitcoind-tests
+    cargo test --verbose
+
+    # Exit integration tests, do not run other tests.
+    exit 0
+fi
+
 # Defaults / sanity checks
 cargo test
 
@@ -65,7 +67,7 @@ then
     cargo run --example psbt
     cargo run --example xpub_descriptors
     cargo run --example taproot --features=compiler
-    cargo run --example psbt_sign_finalize
+    cargo run --example psbt_sign_finalize --features=base64
 fi
 
 if [ "$DO_NO_STD" = true ]