Add cobuild_entry and cobuild_normal_entry

Makefile

@@ -19,3 +19,7 @@ install:
 ci:
 	capsule build --release
 	cd tests && cargo test && cd ..
+
+debug:
+	capsule build --release
+	cd tests && RUST_LOG=debug cargo test -- --nocapture && cd ..

ckb-transaction-cobuild/Cargo.toml

@@ -5,6 +5,10 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = []
+log = []
+
 [dependencies]
 blake2b-ref = "0.3.1"
 ckb-std = { version = "0.14.3", default-features = false, features = ["ckb-types"] }

ckb-transaction-cobuild/src/blake2b.rs

@@ -5,22 +5,51 @@ pub const PERSONALIZATION_SIGHASH_ALL_ONLY: &[u8] = b"ckb-tcob-sgohash";
 pub const PERSONALIZATION_OTX: &[u8] = b"ckb-tcob-otxhash";
 
 /// return a blake2b instance with personalization for SighashAll
-pub fn new_sighash_all_blake2b() -> Blake2b {
-    Blake2bBuilder::new(32)
-        .personal(PERSONALIZATION_SIGHASH_ALL)
-        .build()
+pub fn new_sighash_all_blake2b() -> Blake2bStatistics {
+    Blake2bStatistics::new(
+        Blake2bBuilder::new(32)
+            .personal(PERSONALIZATION_SIGHASH_ALL)
+            .build(),
+    )
 }
 
 /// return a blake2b instance with personalization for SighashAllOnly
-pub fn new_sighash_all_only_blake2b() -> Blake2b {
-    Blake2bBuilder::new(32)
-        .personal(PERSONALIZATION_SIGHASH_ALL_ONLY)
-        .build()
+pub fn new_sighash_all_only_blake2b() -> Blake2bStatistics {
+    Blake2bStatistics::new(
+        Blake2bBuilder::new(32)
+            .personal(PERSONALIZATION_SIGHASH_ALL_ONLY)
+            .build(),
+    )
 }
 
 /// return a blake2b instance with personalization for OTX
-pub fn new_otx_blake2b() -> Blake2b {
-    Blake2bBuilder::new(32)
-        .personal(PERSONALIZATION_OTX)
-        .build()
+pub fn new_otx_blake2b() -> Blake2bStatistics {
+    Blake2bStatistics::new(
+        Blake2bBuilder::new(32)
+            .personal(PERSONALIZATION_OTX)
+            .build(),
+    )
+}
+
+pub struct Blake2bStatistics {
+    count: usize,
+    blake2b: Blake2b,
+}
+
+impl Blake2bStatistics {
+    pub fn new(blake2b: Blake2b) -> Self {
+        Self { count: 0, blake2b }
+    }
+
+    pub fn update(&mut self, data: &[u8]) {
+        self.blake2b.update(data);
+        self.count += data.len();
+    }
+
+    pub fn finalize(self, dst: &mut [u8]) {
+        self.blake2b.finalize(dst)
+    }
+    pub fn count(&self) -> usize {
+        self.count
+    }
 }