init for remove issue (#63)

[bytom/vapor.git] / protocol / vm / vmutil / script.go

diff --git a/protocol/vm/vmutil/script.go b/protocol/vm/vmutil/script.go
index 67f80f7..adc0d77 100644 (file)
--- 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
-}