Use modern crates anyhow and thiserror instead of failure (#52)

Author: yaroslavser

CHANGELOG.md

@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this file.
 
 ##
+## Version 1.1.0
+
+- Use modern crates anyhow and thiserror instead of failure
+
 ## Version 1.0.31
 
 - Supported merge of block and types repos

Cargo.toml

@@ -5,11 +5,9 @@ license = 'Apache-2.0'
 name = 'ever-struct'
 repository = 'https://github.com/everx-labs/ever-struct'
 rust-version = '1.65'
-version = '1.0.36'
+version = '1.1.0'
 
 [dependencies]
-anyhow = '1.0.70'
-failure = '0.1.0'
-hex-literal = '0.3.4'
+anyhow = '1.0'
+thiserror = '1.0'
 ever_block = { git = 'https://github.com/everx-labs/ever-block.git', tag = '1.10.4' }
-

src/scheme/mod.rs

@@ -18,9 +18,9 @@ use ever_block::{
     fail, BuilderData, Cell, Deserializable, IBitstring, Result, Serializable, SliceData,
 };
 
-#[derive(Debug, failure::Fail)]
+#[derive(Debug, thiserror::Error)]
 pub enum DeserializationError {
-    #[fail(display = "unexpected tlb tag")]
+    #[error("unexpected tlb tag")]
     UnexpectedTLBTag,
 }
 
@@ -124,7 +124,7 @@ impl Deserializable for TVC {
     fn read_from(&mut self, slice: &mut SliceData) -> Result<()> {
         let tag = slice.get_next_u32()?;
         if tag != Self::TVC_TAG {
-            return Err(DeserializationError::UnexpectedTLBTag.into());
+            fail!(DeserializationError::UnexpectedTLBTag);
         }
 
         if slice.get_next_bit()? {