fix: String representation of escrow address (#238)

* greedy approach to lane verification

* docs

* base lane testing

* mev lane testing nits

* abci top level testing done

* network spamming in E2E

* string rep of escrow address

* nit

* removing logs from testing

* query test

proto/sdk/auction/v1/query.proto

@@ -22,6 +22,9 @@ message QueryParamsRequest {}
 
 // QueryParamsResponse is the response type for the Query/Params RPC method.
 message QueryParamsResponse {
-  // params defines the parameters of the module.
+  // Params defines the parameters of the module.
   Params params = 1 [ (gogoproto.nullable) = false ];
+  // EscrowAddressString is the string representation of the escrow address stored
+  // in params.
+  string escrow_address_string = 2;
 }