X-Git-Url: http://git.osdn.net/view?p=bytom%2Fvapor.git;a=blobdiff_plain;f=protocol%2Fvm%2Fvmutil%2Fscript.go;h=adc0d77b92ee2a1be005111462546649da96f008;hp=67f80f70bd1f51f39d85de26e646d53ce3d78f29;hb=089cb9074ed375e28850d2ff8b5e91164a04046d;hpb=53784d9c76f1056423b57915f7e064a6f551100c

diff --git a/protocol/vm/vmutil/script.go b/protocol/vm/vmutil/script.go
index 67f80f70..adc0d77b 100644
--- a/protocol/vm/vmutil/script.go
+++ b/protocol/vm/vmutil/script.go
@@ -133,22 +133,3 @@ func checkMultiSigParams(nrequired, npubkeys int64) error {
 	}
 	return nil
 }
-
-// GetIssuanceProgramRestrictHeight return issuance program restrict height
-// if height invalid return 0
-func GetIssuanceProgramRestrictHeight(program []byte) int64 {
-	insts, err := vm.ParseProgram(program)
-	if err != nil {
-		return 0
-	}
-
-	if len(insts) >= 4 && insts[0].IsPushdata() && insts[1].Op == vm.OP_BLOCKHEIGHT && insts[2].Op == vm.OP_GREATERTHAN && insts[3].Op == vm.OP_VERIFY {
-		height, err := vm.AsInt64(insts[0].Data)
-		if err != nil {
-			return 0
-		}
-
-		return height
-	}
-	return 0
-}