imp(02-client): implement TryFrom<TmAbciEvent> for event types (#1253)

* add tryfrom for CreateClient event

* add try from for other event and attribute

* use ClientError::MissingAttributeKey

* refactor error type

* add tests

* linting, refactor complex type

* lint

* refactor

* lint

* refactor

* add newline

* lint

Author: TropicalDog17

ibc-core/ics02-client/types/Cargo.toml

@@ -40,6 +40,9 @@ tendermint = { workspace = true }
 parity-scale-codec = { workspace = true, optional = true }
 scale-info         = { workspace = true, optional = true }
 
+[dev-dependencies]
+rstest = { workspace = true }
+
 [features]
 default = [ "std" ]
 std = [

ibc-core/ics02-client/types/src/error.rs

@@ -105,6 +105,12 @@ pub enum ClientError {
     InvalidUpdateClientMessage,
     /// other error: `{description}`
     Other { description: String },
+    /// invalid attribute key: `{attribute_key}`
+    InvalidAttributeKey { attribute_key: String },
+    /// invalid attribute value: `{attribute_value}`
+    InvalidAttributeValue { attribute_value: String },
+    /// Missing attribute key: `{attribute_key}`
+    MissingAttributeKey { attribute_key: String },
 }
 
 impl From<&'static str> for ClientError {