add constants for OP_CLTV and OP_CSV

Cargo.toml

@@ -1,7 +1,7 @@
 
 [package]
 name = "bitcoin"
-version = "0.10.5"
+version = "0.10.6"
 authors = ["Andrew Poelstra <apoelstra@wpsoftware.net>"]
 license = "CC0-1.0"
 homepage = "https://github.com/apoelstra/rust-bitcoin/"

src/blockdata/opcodes.rs

@@ -632,6 +632,10 @@ impl serde::Serialize for All {
 pub static OP_FALSE: All = All::OP_PUSHBYTES_0;
 /// Number 1 is also TRUE
 pub static OP_TRUE: All = All::OP_PUSHNUM_1;
+/// check locktime verify
+pub static OP_CLTV: All = All::OP_NOP2;
+/// check sequence verify
+pub static OP_CSV: All = All::OP_NOP3;
 
 /// Broad categories of opcodes with similar behavior
 #[derive(Copy, Clone, PartialEq, Eq, Debug)]