2 files changed, 46 insertions, 0 deletions
diff --git a/common/math/exp.go b/common/math/exp.go
index 3fd31bd76..6f6c040e0 100644
--- a/common/math/exp.go
+++ b/common/math/exp.go
@@ -1,3 +1,19 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
 package math
 
 import (
diff --git a/common/mclock/mclock.go b/common/mclock/mclock.go
new file mode 100644
index 000000000..92005252e
--- /dev/null
+++ b/common/mclock/mclock.go
@@ -0,0 +1,30 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// package mclock is a wrapper for a monotonic clock source
+package mclock
+
+import (
+	"time"
+
+	"github.com/aristanetworks/goarista/monotime"
+)
+
+type AbsTime time.Duration // absolute monotonic time
+
+func Now() AbsTime {
+	return AbsTime(monotime.Now())
+}