Merge pull request #4768 from blockscout/np-handle-zero-division

Block Details page: Handle zero division

CHANGELOG.md

@@ -20,6 +20,7 @@
 - [#4579](https://github.com/blockscout/blockscout/pull/4579) - Write contract page: Resize inputs; Improve multiplier selector
 
 ### Fixes
+- [#4768](https://github.com/blockscout/blockscout/pull/4768) - Block Details page: handle zero division
 - [#4751](https://github.com/blockscout/blockscout/pull/4751) - Change text and link for `trade STAKE` button
 - [#4746](https://github.com/blockscout/blockscout/pull/4746) - Fix comparison of decimal value
 - [#4711](https://github.com/blockscout/blockscout/pull/4711) - Add trimming to the contract functions inputs

apps/block_scout_web/lib/block_scout_web/templates/block/overview.html.eex

@@ -171,7 +171,7 @@
                 text: gettext("The total gas amount used in the block and its percentage of gas filled in the block.") %>
                 <%= gettext("Gas Used") %>
               </dt>
-              <dd class="col-sm-9 col-lg-10"><%= @block.gas_used |> BlockScoutWeb.Cldr.Number.to_string! %> | <%= (Decimal.to_integer(@block.gas_used) / Decimal.to_integer(@block.gas_limit)) |> BlockScoutWeb.Cldr.Number.to_string!(format: "#.#%") %></dd>
+              <dd class="col-sm-9 col-lg-10"><%= @block.gas_used |> BlockScoutWeb.Cldr.Number.to_string! %> | <%= if Decimal.cmp(@block.gas_limit, 0) == :eq, do: "0%", else: ((Decimal.to_integer(@block.gas_used) / Decimal.to_integer(@block.gas_limit)) |> BlockScoutWeb.Cldr.Number.to_string!(format: "#.#%")) %></dd>
             </dl>
             <!-- Gas Limit -->
             <dl class="row">