Remove failure crate from aries-vcx-agent

Signed-off-by: Miroslav Kovar <miroslav.kovar@absa.africa>

agents/rust/aries-vcx-agent/Cargo.toml

@@ -4,10 +4,10 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-failure = "0.1.8"
 serde = "1.0.145"
 aries-vcx = { path = "../../../aries_vcx" }
 derive_builder = "0.11.2"
 serde_json = "1.0.85"
 log = "0.4.17"
 uuid = "1.2.1"
+thiserror = "1.0.37"

agents/rust/aries-vcx-agent/src/error/error_kind.rs

@@ -1,21 +1,19 @@
-use failure::Fail;
-
-#[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)]
+#[derive(Copy, Clone, Eq, PartialEq, Debug, thiserror::Error)]
 pub enum AgentErrorKind {
-    #[fail(display = "AriesVCX error")]
+    #[error("AriesVCX error")]
     GenericAriesVcxError,
-    #[fail(display = "Failed to get invite details")]
+    #[error("Failed to get invite details")]
     InviteDetails,
-    #[fail(display = "No object found with specified ID")]
+    #[error("No object found with specified ID")]
     NotFound,
-    #[fail(display = "Unable to lock storage")]
+    #[error("Unable to lock storage")]
     LockError,
-    #[fail(display = "Serialization error")]
+    #[error("Serialization error")]
     SerializationError,
-    #[fail(display = "Invalid arguments passed")]
+    #[error("Invalid arguments passed")]
     InvalidArguments,
-    #[fail(display = "Credential definition already exists on the ledger")]
+    #[error("Credential definition already exists on the ledger")]
     CredDefAlreadyCreated,
-    #[fail(display = "Mediated connections not configured")]
+    #[error("Mediated connections not configured")]
     MediatedConnectionServiceUnavailable,
 }