Feature/expanded events (#1015)

* Expanded emitted events for delegation-related transactions

* Expanded emitted events for gateway-related transactions

* Expanded emitted events for mixnode-related transactions

* Expanded emitted events for settings update transaction

* Expanded emitted events for rewarding-related transactions

* Fixed attribute look up in tests

* Making linter happier

* Reorganised cosmwasm contract-related modules

* Introduced similar event handling to the vesting contract

explorer-api/src/mix_node/http.rs

@@ -4,7 +4,7 @@
 use crate::mix_node::models::{NodeDescription, NodeStats};
 use crate::mix_nodes::delegations::{get_mixnode_delegations, get_single_mixnode_delegations};
 use crate::state::ExplorerApiStateContext;
-use mixnet_contract::Delegation;
+use mixnet_contract_common::Delegation;
 use reqwest::Error as ReqwestError;
 use rocket::serde::json::Json;
 use rocket::{Route, State};

explorer-api/src/mix_node/models.rs

@@ -3,7 +3,7 @@
 
 use crate::mix_node::cache::Cache;
 use crate::mix_nodes::location::Location;
-use mixnet_contract::{Addr, Coin, Layer, MixNode};
+use mixnet_contract_common::{Addr, Coin, Layer, MixNode};
 use serde::Deserialize;
 use serde::Serialize;
 use std::sync::Arc;