Custom error decoder (#3783)

automerge

client/src/client_error.rs

@@ -0,0 +1,50 @@
+use crate::rpc_request;
+use solana_sdk::transaction::TransactionError;
+use std::{fmt, io};
+
+#[derive(Debug)]
+pub enum ClientError {
+    Io(io::Error),
+    Reqwest(reqwest::Error),
+    RpcError(rpc_request::RpcError),
+    SerdeJson(serde_json::error::Error),
+    TransactionError(TransactionError),
+}
+
+impl fmt::Display for ClientError {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "solana client error")
+    }
+}
+
+impl std::error::Error for ClientError {}
+
+impl From<io::Error> for ClientError {
+    fn from(err: io::Error) -> ClientError {
+        ClientError::Io(err)
+    }
+}
+
+impl From<reqwest::Error> for ClientError {
+    fn from(err: reqwest::Error) -> ClientError {
+        ClientError::Reqwest(err)
+    }
+}
+
+impl From<rpc_request::RpcError> for ClientError {
+    fn from(err: rpc_request::RpcError) -> ClientError {
+        ClientError::RpcError(err)
+    }
+}
+
+impl From<serde_json::error::Error> for ClientError {
+    fn from(err: serde_json::error::Error) -> ClientError {
+        ClientError::SerdeJson(err)
+    }
+}
+
+impl From<TransactionError> for ClientError {
+    fn from(err: TransactionError) -> ClientError {
+        ClientError::TransactionError(err)
+    }
+}