Merge pull request #143 from jeandudey/2018-08-c-conv

Use `as_`,`to_`,`into_` conventions for array types.

src/blockdata/script.rs

@@ -289,11 +289,14 @@ impl Script {
     /// Whether the script is the empty script
     pub fn is_empty(&self) -> bool { self.0.is_empty() }
 
-    /// Convert the script into a byte vector
-    pub fn into_vec(self) -> Vec<u8> { self.0.into_vec() }
+    /// Returns the script data
+    pub fn as_bytes(&self) -> &[u8] { &*self.0 }
 
-    /// returns a copy of the script data
-    pub fn data (&self) -> Vec<u8> { self.0.clone().into_vec() }
+    /// Returns a copy of the script data
+    pub fn to_bytes(&self) -> Vec<u8> { self.0.clone().into_vec() }
+
+    /// Convert the script into a byte vector
+    pub fn into_bytes(self) -> Vec<u8> { self.0.into_vec() }
 
     /// Compute the P2SH output corresponding to this redeem script
     pub fn to_p2sh(&self) -> Script {

src/internal_macros.rs

@@ -79,8 +79,16 @@ macro_rules! impl_array_newtype {
             pub fn is_empty(&self) -> bool { false }
 
             #[inline]
-            /// Returns the underlying data.
-            pub fn data(&self) -> [$ty; $len] { self.0.clone() }
+            /// Returns the underlying bytes.
+            pub fn as_bytes(&self) -> &[$ty; $len] { &self.0 }
+
+            #[inline]
+            /// Returns the underlying bytes.
+            pub fn to_bytes(&self) -> [$ty; $len] { self.0.clone() }
+
+            #[inline]
+            /// Returns the underlying bytes.
+            pub fn into_bytes(self) -> [$ty; $len] { self.0 }
         }
 
         impl<'a> From<&'a [$ty]> for $thing {

src/util/address.rs

@@ -116,7 +116,7 @@ impl Address {
         Address {
             network: network,
             payload: Payload::ScriptHash(
-                Hash160::from_data(builder.into_script().into_vec().as_slice())
+                Hash160::from_data(builder.into_script().as_bytes())
             )
         }
     }
@@ -127,7 +127,7 @@ impl Address {
         use crypto::digest::Digest;
 
         let mut digest = Sha256::new();
-        digest.input(script.clone().into_vec().as_slice());
+        digest.input(script.as_bytes());
         let mut d = [0u8; 32];
         digest.result(&mut d);
 
@@ -151,14 +151,14 @@ impl Address {
         use crypto::digest::Digest;
 
         let mut digest = Sha256::new();
-        digest.input(script.clone().into_vec().as_slice());
+        digest.input(script.as_bytes());
         let mut d = [0u8; 32];
         digest.result(&mut d);
         let ws = script::Builder::new().push_int(0).push_slice(&d).into_script();
 
         Address {
             network: network,
-            payload: Payload::ScriptHash(Hash160::from_data(ws.into_vec().as_slice()))
+            payload: Payload::ScriptHash(Hash160::from_data(ws.as_bytes()))
         }
     }
 

src/util/hash.rs

@@ -510,8 +510,8 @@ mod tests {
     #[test]
     fn test_sha256d_data() {
         assert_eq!(
-            Sha256dHash::from_data(&[]).data(),
-            [
+            Sha256dHash::from_data(&[]).as_bytes(),
+            &[
                 0x5d, 0xf6, 0xe0, 0xe2, 0x76, 0x13, 0x59, 0xd3, 0x0a, 0x82, 0x75, 0x05, 0x8e, 0x29,
                 0x9f, 0xcc, 0x03, 0x81, 0x53, 0x45, 0x45, 0xf5, 0x5c, 0xf4, 0x3e, 0x41, 0x98, 0x3f,
                 0x5d, 0x4c, 0x94, 0x56,