Adding locktime operations

src/main/scala/org/scalacoin/script/locktime/LocktimeOperations.scala

@@ -0,0 +1,21 @@
+package org.scalacoin.script.locktime
+
+import org.scalacoin.script.ScriptOperation
+
+/**
+ * Created by chris on 1/6/16.
+ */
+sealed trait LocktimeOperation extends ScriptOperation
+
+/**
+ * Marks transaction as invalid if the top stack item is greater than the transaction's nLockTime field,
+ * otherwise script evaluation continues as though an OP_NOP was executed. Transaction is also invalid if
+ * 1. the stack is empty; or
+ * 2. the top stack item is negative; or
+ * 3. the top stack item is greater than or equal to 500000000 while the transaction's nLockTime field is less than 500000000,
+ * or vice versa; or 4. the input's nSequence field is equal to 0xffffffff.
+ * The precise semantics are described in BIP 0065
+ */
+case object OP_CHECKLOCKTIMEVERIFY extends ScriptOperation {
+  override def opCode = 177
+}

src/test/scala/org/scalacoin/script/locktime/LocktimeOperationTest.scala

@@ -0,0 +1,13 @@
+package org.scalacoin.script.locktime
+
+import org.scalatest.{FlatSpec, MustMatchers}
+
+/**
+ * Created by chris on 1/6/16.
+ */
+class LocktimeOperationTest extends FlatSpec with MustMatchers {
+
+  "LocktimeOperations" must "define OP_CHECKLOCKTIMEVERIFY" in {
+    OP_CHECKLOCKTIMEVERIFY.opCode must be (177)
+  }
+}