Simplified core mod.

util/gen-types/src/core/mod.rs

@@ -1,2 +1,55 @@
-mod types;
-pub use types::*;
+#![allow(clippy::from_over_into)]
+
+#[cfg(feature = "std")]
+mod std_env;
+#[cfg(feature = "std")]
+pub use std_env::*;
+
+use crate::packed;
+
+pub(crate) type BlockNumber = u64;
+
+/// Specifies how the script `code_hash` is used to match the script code and how to run the code.
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
+pub enum ScriptHashType {
+    /// Type "data" matches script code via cell data hash, and run the script code in v0 CKB VM.
+    Data = 0,
+    /// Type "type" matches script code via cell type script hash.
+    Type = 1,
+    /// Type "data1" matches script code via cell data hash, and run the script code in v1 CKB VM.
+    Data1 = 2,
+    /// Type "data2" matches script code via cell data hash, and run the script code in v2 CKB VM.
+    Data2 = 3,
+}
+
+impl Default for ScriptHashType {
+    fn default() -> Self {
+        ScriptHashType::Data
+    }
+}
+
+impl ScriptHashType {
+    #[inline]
+    pub(crate) fn verify_value(v: u8) -> bool {
+        v <= 3
+    }
+}
+
+impl Into<u8> for ScriptHashType {
+    #[inline]
+    fn into(self) -> u8 {
+        match self {
+            Self::Data => 0,
+            Self::Type => 1,
+            Self::Data1 => 2,
+            Self::Data2 => 3,
+        }
+    }
+}
+
+impl Into<packed::Byte> for ScriptHashType {
+    #[inline]
+    fn into(self) -> packed::Byte {
+        Into::<u8>::into(self).into()
+    }
+}