filter pending token transfers

[ayrat555]

fixes

2019-08-14T07:05:26.335 [error] #PID<0.3308.31> running BlockScoutWeb.Endpoint (connection #PID<0.3022.31>, stream id 2) terminated
Request: GET /tokens/0xc778417e063141139fce010982780140aa0cd5ab/token_transfers?type=JSON
** (exit) an exception was raised:
    ** (ArgumentError) cannot convert nil to param
        (phoenix) lib/phoenix/param.ex:67: Phoenix.Param.Atom.to_param/1
        (block_scout_web) lib/block_scout_web/web_router.ex:1: BlockScoutWeb.WebRouter.Helpers.block_path/4
        (block_scout_web) lib/block_scout_web/templates/tokens/transfer/_token_transfer.html.eex:40: BlockScoutWeb.Tokens.TransferView."_token_transfer.html"/1
        (phoenix) lib/phoenix/view.ex:399: Phoenix.View.render_to_iodata/3
        (phoenix) lib/phoenix/view.ex:406: Phoenix.View.render_to_string/3
        (elixir) lib/enum.ex:1336: Enum."-map/2-lists^map/1-0-"/2
        (block_scout_web) lib/block_scout_web/controllers/tokens/transfer_controller.ex:26: BlockScoutWeb.Tokens.TransferController.index/2
        (block_scout_web) lib/block_scout_web/controllers/tokens/transfer_controller.ex:1: BlockScoutWeb.Tokens.TransferController.action/2

Changelog

• filter pending token transfers

[coveralls]

Pull Request Test Coverage Report for Build 0eca6e12-b5ee-428c-ae8a-ed45dcbca142

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 79.357%

---

Totals
Change from base Build ca5b6dbe-704e-4998-8bb9-5dbc0e0756fc:	0.0%
Covered Lines:	5205
Relevant Lines:	6559

---

💛 - Coveralls