fix: allow value with slashes when query token_pairs (#509)

* chore: allow value with slashes when query token_pairs

* add doc

---------

Co-authored-by: Alex | Interchain Labs <[email protected]>

Author: mmsqe

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - [\#471](https://github.com/cosmos/evm/pull/471) Notify new block for mempool in time.
 - [\#492](https://github.com/cosmos/evm/pull/492) Duplicate case switch to avoid empty execution block
+- [\#509](https://github.com/cosmos/evm/pull/509) Allow value with slashes when query token_pairs.
 
 ### IMPROVEMENTS
 

api/cosmos/evm/erc20/v1/query.pulsar.go

@@ -20,7 +20,7 @@ service Query {
 
   // TokenPair retrieves a registered token pair (mapping)
   rpc TokenPair(QueryTokenPairRequest) returns (QueryTokenPairResponse) {
-    option (google.api.http).get = "/cosmos/evm/erc20/v1/token_pairs/{token}";
+    option (google.api.http).get = "/cosmos/evm/erc20/v1/token_pairs/{token=**}";
   }
 
   // Params retrieves the erc20 module params