feat: implement core::error::Error for all error types (#341)

Author: PhilippGackstatter

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.10.2 (TBD)
+- Implement `core::error::Error` for error types (#341).
+
 ## 0.10.1 (2024-10-30)
 - Fixed partition hashing and add logging to aux trace building (#338).
 

air/src/errors.rs

@@ -42,3 +42,5 @@ impl fmt::Display for AssertionError {
         }
     }
 }
+
+impl core::error::Error for AssertionError {}

crypto/src/errors.rs

@@ -61,6 +61,8 @@ impl fmt::Display for MerkleTreeError {
     }
 }
 
+impl core::error::Error for MerkleTreeError {}
+
 // RANDOM COIN ERROR
 // ================================================================================================
 
@@ -89,3 +91,5 @@ impl fmt::Display for RandomCoinError {
         }
     }
 }
+
+impl core::error::Error for RandomCoinError {}

fri/src/errors.rs

@@ -73,3 +73,5 @@ impl fmt::Display for VerifierError {
         }
     }
 }
+
+impl core::error::Error for VerifierError {}

prover/src/errors.rs

@@ -39,3 +39,5 @@ impl fmt::Display for ProverError {
         }
     }
 }
+
+impl core::error::Error for ProverError {}

utils/core/src/errors.rs

@@ -32,3 +32,5 @@ impl fmt::Display for DeserializationError {
         }
     }
 }
+
+impl core::error::Error for DeserializationError {}

utils/core/src/serde/mod.rs

@@ -344,7 +344,7 @@ impl Serializable for str {
     }
 
     fn get_size_hint(&self) -> usize {
-        self.len().get_size_hint() + self.as_bytes().len()
+        self.len().get_size_hint() + self.len()
     }
 }
 
@@ -355,7 +355,7 @@ impl Serializable for String {
     }
 
     fn get_size_hint(&self) -> usize {
-        self.len().get_size_hint() + self.as_bytes().len()
+        self.len().get_size_hint() + self.len()
     }
 }
 

verifier/src/errors.rs

@@ -99,3 +99,5 @@ impl fmt::Display for VerifierError {
         }
     }
 }
+
+impl core::error::Error for VerifierError {}