daemon: dev-mocktime command

Useful for precise timing control for testing.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

daemon/lightning-cli.c

@@ -2,6 +2,7 @@
  * Helper to submit via JSON-RPC and get back response.
  */
 #include "configdir.h"
+#include "controlled_time.h"
 #include "json.h"
 #include "version.h"
 #include <ccan/err/err.h>
@@ -39,6 +40,11 @@ static void tal_freefn(void *ptr)
 	tal_free(ptr);
 }
 
+struct timeabs controlled_time(void)
+{
+	return time_now();
+}
+
 int main(int argc, char *argv[])
 {
 	int fd, i, off;