Exposing v,r,s from transaction signature in RPC (#3172)

Former-commit-id: bb138aa03c05b3f19ef0633acc7ecc5212b21663

util/bigint/Cargo.toml

@@ -4,7 +4,7 @@ homepage = "http://ethcore.io"
 repository = "https://github.com/ethcore/parity"
 license = "GPL-3.0"
 name = "ethcore-bigint"
-version = "0.1.1"
+version = "0.1.2"
 authors = ["Ethcore <admin@ethcore.io>"]
 build = "build.rs"
 

util/bigint/src/hash.rs

@@ -386,6 +386,12 @@ macro_rules! impl_hash {
 				}
 			}
 		}
+
+		impl<'a> From<&'a [u8]> for $from {
+			fn from(s: &'a [u8]) -> $from {
+				$from::from_slice(s)
+			}
+		}
 	}
 }