1 files changed, 24 insertions, 0 deletions
diff --git a/lib/Net/Hawk/Role/WithCrypto.pm b/lib/Net/Hawk/Role/WithCrypto.pm
new file mode 100644
index 0000000..d8d95e9
--- /dev/null
+++ b/lib/Net/Hawk/Role/WithCrypto.pm
@@ -0,0 +1,24 @@
+package Net::Hawk::Role::WithCrypto;
+use strict;
+use warnings;
+use 5.010;
+use Package::Variant
+    importing => ['Moo::Role'],
+    subs => ['has'];
+use Types::Standard 1.000003 qw(HasMethods);
+
+sub make_variant {
+    my ($class,$target_package,@methods) = @_;
+
+    has _crypto => (
+        is => 'ro',
+        (@methods ? ( isa => HasMethods[@methods] ) : () ),
+        init_arg => 'crypto',
+        default => sub {
+            require Net::Hawk::Crypto;
+            Net::Hawk::Crypto->new;
+        },
+    );
+}
+
+1;