Fix JSON-RPC parse failure (#51)

* Fix JSON-RPC parse failure

* update version

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "zilliqa-rs"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 description = "A Rust SDK for Zilliqa blockchain"
 license = "MIT"

src/core/mod.rs

@@ -6,6 +6,7 @@ pub mod types;
 pub mod units;
 
 use bech32::{FromBase32, ToBase32, Variant};
+use primitive_types::H160;
 pub use types::*;
 pub use units::*;
 
@@ -260,7 +261,7 @@ impl ZilAddress {
 
     fn to_checksum_address(address: &str) -> Result<String, Error> {
         let address = address.replace("0x", "");
-        if !ZilAddress::is_address(&address) {
+        if !Self::is_address(&address) {
             return Err(Error::InvalidAddress(address.to_string()));
         }
 
@@ -335,6 +336,14 @@ impl FromStr for ZilAddress {
     }
 }
 
+impl TryFrom<H160> for ZilAddress {
+    type Error = Error;
+
+    fn try_from(value: H160) -> Result<Self, Self::Error> {
+        Self::from_str(&hex::encode(value))
+    }
+}
+
 impl Display for ZilAddress {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f, "{}", self.0)

src/core/types.rs

@@ -1,6 +1,6 @@
 //! JSON-RPC related data types.
 
-use std::fmt;
+use std::{collections::BTreeMap, fmt};
 
 use primitive_types::H160;
 use prost::Message;
@@ -433,7 +433,7 @@ pub struct TransactionReceipt {
     pub exceptions: Option<Vec<ExceptionEntry>>,
     pub success: bool,
     pub transitions: Option<Vec<TransitionEntry>>,
-    pub errors: Option<String>,
+    pub errors: Option<BTreeMap<u64, Vec<u64>>>,
 }
 
 impl TransactionReceipt {
@@ -537,7 +537,7 @@ pub struct SmartContractCode {
 }
 
 #[derive(Deserialize, Debug, Clone)]
-pub struct SmartContracts(Vec<SmartContractAddress>);
+pub struct SmartContracts(pub Vec<SmartContractAddress>);
 
 #[derive(Deserialize, Debug, Clone)]
 pub struct SmartContractAddress {