Added Miri tests on travis

Author: sanket1729

.travis.yml

@@ -9,7 +9,7 @@ matrix:
       env: DO_FUZZ=true DO_LINT=true
     - rust: beta
     - rust: nightly
-      env: DO_BENCH=true
+      env: DO_BENCH=true DO_MIRI=true
     - rust: 1.22.0
 
 script:

contrib/test.sh

@@ -43,6 +43,23 @@ then
     )
 fi
 
+# Miri Checks if told to
+# Only supported in nightly
+if [ "$DO_MIRI" = true ]
+then
+    (
+        MIRI_NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)
+        echo "Installing latest nightly with Miri: $MIRI_NIGHTLY"
+        rustup set profile minimal
+        rustup default "$MIRI_NIGHTLY"
+        rustup component add miri
+        cargo miri test -- -- miri_
+
+        # Change back to latest nightly possibly without Miri
+        rustup default nightly
+    )
+fi
+
 # Bench if told to
 if [ "$DO_BENCH" = true ]
 then

src/miniscript/context.rs

@@ -190,7 +190,7 @@ mod tests {
 
     //miri test for unsafe code
     #[test]
-    fn any_unsafe_transmute_miri_test() {
+    fn miri_test_context_transform() {
         let segwit_ms = Segwitv0Script::from_str("andor(pk(),or_i(and_v(vc:pk_h(),hash160(1111111111111111111111111111111111111111)),older(1008)),pk())").unwrap();
         let legacy_ms = LegacyScript::from_str("andor(pk(),or_i(and_v(vc:pk_h(),hash160(1111111111111111111111111111111111111111)),older(1008)),pk())").unwrap();