Add error mod

src/error.rs

@@ -0,0 +1,41 @@
+use std::fmt;
+use std::error::Error;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub enum AnkError {
+    GenericError(String),
+    FaucetError(String),
+    NewTxError(String),
+    CipherError(String),
+}
+
+impl fmt::Display for AnkError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            AnkError::GenericError(msg) => write!(f, "GenericError: {}", msg),
+            AnkError::FaucetError(msg) => write!(f, "FaucetError: {}", msg),
+            AnkError::NewTxError(msg) => write!(f, "NewTxError: {}", msg),
+            AnkError::CipherError(msg) => write!(f, "CipherError: {}", msg),
+        }
+    }
+}
+
+impl Error for AnkError {}
+
+impl From<anyhow::Error> for AnkError {
+    fn from(error: anyhow::Error) -> Self {
+        let error_message = error.to_string();
+
+        if error_message.contains("FaucetError") {
+            AnkError::FaucetError(error_message)
+        } else if error_message.contains("NewTxError") {
+            AnkError::NewTxError(error_message)
+        } else if error_message.contains("CipherError") {
+            AnkError::CipherError(error_message)
+        } else {
+            AnkError::GenericError(error_message)
+        }
+    }
+}

src/lib.rs

@@ -1,3 +1,4 @@
 pub mod crypto;
 pub mod network;
 pub mod silentpayments;
+pub mod error;

src/network.rs

@@ -8,6 +8,7 @@ use sp_client::silentpayments::bitcoin_hashes::{sha256t_hash_newtype, Hash, Hash
 use tsify::Tsify;
 
 use crate::crypto::{Aes256Decryption, CipherText, Purpose};
+use crate::error::AnkError;
 
 const RAWTXTOPIC: &'static str = "rawtx";
 const RAWBLOCKTOPIC: &'static str = "rawblock";