Fix dialyzer warnings

.dialyzer-ignore

@@ -1,3 +1,5 @@
 :0: Unknown function 'Elixir.ExUnit.Callbacks':'__merge__'/3
 :0: Unknown function 'Elixir.ExUnit.CaseTemplate':'__proxy__'/2
 :0: Unknown type 'Elixir.Map':t/0
+apps/explorer/lib/explorer/indexer/block_fetcher.ex:239: The created fun has no local return
+apps/explorer/lib/explorer/indexer/block_fetcher.ex:246: The created fun has no local return

apps/explorer/lib/explorer/chain.ex

@@ -234,9 +234,6 @@ defmodule Explorer.Chain do
   @doc """
   The `t:Explorer.Chain.Transaction.t/0` `gas_price` of the `transaction` in `unit`.
   """
-  @spec gas_price(Transaction.t(), :wei) :: Wei.t()
-  @spec gas_price(Transaction.t(), :gwei) :: Wei.gwei()
-  @spec gas_price(Transaction.t(), :ether) :: Wei.ether()
   def gas_price(%Transaction{gas_price: gas_price}, unit) do
     Wei.to(gas_price, unit)
   end

apps/explorer/lib/explorer/chain/hash/truncated.ex

@@ -81,7 +81,7 @@ defmodule Explorer.Chain.Hash.Truncated do
 
   """
   @impl Ecto.Type
-  @spec cast(term()) :: {:ok, t()} :: :error
+  @spec cast(term()) :: {:ok, t()} | :error
   def cast(term) do
     Hash.cast(__MODULE__, term)
   end

apps/explorer/lib/explorer/indexer/block_fetcher.ex

@@ -240,6 +240,13 @@ defmodule Explorer.Indexer.BlockFetcher do
               "failed to fetch blocks #{inspect(range)}: #{inspect(reason)}. Retrying"
             end)
 
+            :ok = Sequence.inject_range(seq, range)
+
+          {:error, reason, range} ->
+            Logger.debug(fn ->
+              "failed to fetch blocks #{inspect(range)}: #{inspect(reason)}. Retrying"
+            end)
+
             :ok = Sequence.inject_range(seq, range)
         end
       end,

apps/explorer/lib/explorer/jsonrpc/receipt.ex

@@ -6,12 +6,13 @@ defmodule Explorer.JSONRPC.Receipt do
 
   import Explorer.JSONRPC, only: [quantity_to_integer: 1]
 
+  alias Explorer.Chain.Receipt.Status
   alias Explorer.JSONRPC
   alias Explorer.JSONRPC.Logs
 
   # Types
 
-  @type elixir :: %{String.t() => nil}
+  @type elixir :: %{String.t() => String.t() | non_neg_integer}
 
   @typedoc """
   * `"contractAddress"` - The contract `t:Explorer.JSONRPC.address/0` created, if the transaction was a contract
@@ -65,7 +66,13 @@ defmodule Explorer.JSONRPC.Receipt do
       }
 
   """
-  @spec elixir_to_params(elixir) :: [map]
+  @spec elixir_to_params(elixir) :: %{
+          cumulative_gas_used: non_neg_integer,
+          gas_used: non_neg_integer,
+          status: Status.t(),
+          transaction_hash: String.t(),
+          transaction_index: non_neg_integer()
+        }
   def elixir_to_params(%{
         "cumulativeGasUsed" => cumulative_gas_used,
         "gasUsed" => gas_used,

apps/explorer/lib/explorer/jsonrpc/transaction.ex

@@ -44,16 +44,18 @@ defmodule Explorer.JSONRPC.Transaction do
 
   @type params :: %{
           block_hash: JSONRPC.hash(),
+          from_address_hash: JSONRPC.address(),
           gas: non_neg_integer(),
           gas_price: non_neg_integer(),
           hash: JSONRPC.hash(),
           index: non_neg_integer(),
           input: String.t(),
           nonce: non_neg_integer(),
-          publicKey: String.t(),
+          public_key: String.t(),
           r: non_neg_integer(),
           s: non_neg_integer(),
           standard_v: 0 | 1,
+          to_address_hash: JSONRPC.address(),
           v: non_neg_integer(),
           value: non_neg_integer()
         }