xDai chain: no function clause matching in EthereumJSONRPC.Parity.FetchedBeneficiaries.get_address_type/2

[vbaranov]

2019-05-23T08:38:05.006 fetcher=block_reward count=3 [error] Task #PID<0.7635.0> started from Indexer.Fetcher.BlockReward terminating
** (FunctionClauseError) no function clause matching in EthereumJSONRPC.Parity.FetchedBeneficiaries.get_address_type/2
    (ethereum_jsonrpc) lib/ethereum_jsonrpc/parity/fetched_beneficiaries.ex:172: EthereumJSONRPC.Parity.FetchedBeneficiaries.get_address_type("external", 4)
    (ethereum_jsonrpc) lib/ethereum_jsonrpc/parity/fetched_beneficiaries.ex:156: EthereumJSONRPC.Parity.FetchedBeneficiaries.trace_to_params_set/3
    (ethereum_jsonrpc) lib/ethereum_jsonrpc/parity/fetched_beneficiaries.ex:132: anonymous fn/3 in EthereumJSONRPC.Parity.FetchedBeneficiaries.traces_to_params_set/2
    (elixir) lib/enum.ex:3015: anonymous fn/3 in Enum.reduce/3
    (elixir) lib/stream.ex:1556: anonymous fn/3 in Enumerable.Stream.reduce/3
    (elixir) lib/stream.ex:1047: anonymous fn/3 in Stream.with_index/2
    (elixir) lib/enum.ex:3317: Enumerable.List.reduce/3
    (elixir) lib/stream.ex:1568: Enumerable.Stream.do_each/4
Function: &Indexer.BufferedTask.log_run/1
    Args: [%{batch: [0, 3141392, 2932019], callback_module: Indexer.Fetcher.BlockReward, callback_module_state: [transport: EthereumJSONRPC.HTTP, transport_options: [http: EthereumJSONRPC.HTTP.HTTPoison, url: "xxx", method_to_url: [eth_getBalance: "xxx", trace_block: "xxx", trace_replayTransaction: "xxx"], http_options: [recv_timeout: 600000, timeout: 600000, hackney: [pool: :ethereum_jsonrpc]]], variant: EthereumJSONRPC.Parity], metadata: [fetcher: :block_reward]}]