Add is_snapshotted check before showing snapshotted data

apps/block_scout_web/lib/block_scout_web/channels/stakes_channel.ex

@@ -54,7 +54,9 @@ defmodule BlockScoutWeb.StakesChannel do
   def handle_in("render_delegators_list", %{"address" => staking_address}, socket) do
     pool = Chain.staking_pool(staking_address)
     token = ContractState.get(:token)
-    validator_set_apply_block = ContractState.get(:validator_set_apply_block)
+
+    is_show_snapshotted_data =
+      pool.is_validator && ContractState.get(:validator_set_apply_block) > 0 && ContractState.get(:is_snapshotted)
 
     delegators =
       staking_address
@@ -75,7 +77,7 @@ defmodule BlockScoutWeb.StakesChannel do
         pool: pool,
         delegators: delegators,
         token: token,
-        validator_set_apply_block: validator_set_apply_block
+        is_show_snapshotted_data: is_show_snapshotted_data
       )
 
     {:reply, {:ok, %{html: html}}, socket}

apps/block_scout_web/lib/block_scout_web/templates/stakes/_stakes_modal_delegators_list.html.eex

@@ -15,7 +15,7 @@
             <div class="col-4">
               <%=
                 amount_col_title =
-                  if @validator_set_apply_block > 0 do
+                  if @is_show_snapshotted_data do
                     gettext("Current Stake Amount") <> "<br />(" <> gettext("Accounted Stake Amount")  <> ")"
                   else
                     gettext("Current Stake Amount")
@@ -27,7 +27,7 @@
             <div class="col-3">
               <%=
                 reward_col_title =
-                  if @pool.is_validator && @validator_set_apply_block > 0 do
+                  if @is_show_snapshotted_data do
                     gettext("Potential Reward Percent") <> "<br />(" <> gettext("Current Reward Percent")  <> ")"
                   else
                     gettext("Potential Reward Percent")
@@ -69,11 +69,11 @@
                 </div>
                 <div class="col-4 stakes-td stakes-cell">
                   <%= format_token_amount(delegator.stake_amount, @token, symbol: false) %>
-                  <%= if @pool.is_validator && @validator_set_apply_block > 0 do %>
+                  <%= if @is_show_snapshotted_data do %>
                     (
                       <%=
                         if delegator.snapshotted_stake_amount do
-                          format_token_amount(delegator.snapshotted_stake_amount, @token, symbol: false) 
+                          format_token_amount(delegator.snapshotted_stake_amount, @token, symbol: false)
                         else
                           0
                         end
@@ -84,7 +84,7 @@
                 <div class="col-3 stakes-td stakes-cell">
                   <%= if delegator.reward_ratio do %>
                     <%= delegator.reward_ratio %>%
-                    <%= if @pool.is_validator && @validator_set_apply_block > 0 do %>
+                    <%= if @is_show_snapshotted_data do %>
                       (
                         <%=
                           if delegator.snapshotted_reward_ratio do

apps/explorer/lib/explorer/staking/contract_state.ex

@@ -25,7 +25,8 @@ defmodule Explorer.Staking.ContractState do
     :staking_contract,
     :validator_set_contract,
     :block_reward_contract,
-    :validator_set_apply_block
+    :validator_set_apply_block,
+    :is_snapshotted
   ]
 
   defstruct [
@@ -92,7 +93,8 @@ defmodule Explorer.Staking.ContractState do
       validator_set_contract: %{abi: validator_set_abi, address: validator_set_contract_address},
       block_reward_contract: %{abi: block_reward_abi, address: block_reward_contract_address},
       token_contract_address: token_contract_address,
-      token: get_token(token_contract_address)
+      token: get_token(token_contract_address),
+      is_snapshotted: false
     )
 
     {:ok, state, {:continue, []}}
@@ -261,10 +263,16 @@ defmodule Explorer.Staking.ContractState do
       })
 
     if previous_epoch && previous_epoch != 0 && previous_epoch != global_responses.epoch_number do
-      StakeSnapshotting.start_snapshoting(
-        %{contracts: contracts, abi: abi, global_responses: global_responses},
-        block_number
-      )
+      with(
+        true <- :ets.insert(@table_name, is_snapshotted: false),
+        {:ok, _} <-
+          StakeSnapshotting.start_snapshoting(
+            %{contracts: contracts, abi: abi, global_responses: global_responses},
+            block_number
+          )
+      ) do
+        :ets.insert(@table_name, is_snapshotted: true)
+      end
     end
 
     Publisher.broadcast(:staking_update)

apps/explorer/lib/explorer/staking/stake_snapshotting.ex

@@ -127,12 +127,11 @@ defmodule Explorer.Staking.StakeSnapshotting do
         })
       end)
 
-    {:ok, _} =
-      Chain.import(%{
-        staking_pools: %{params: pool_entries, on_conflict: staking_pool_on_conflict()},
-        staking_pools_delegators: %{params: delegator_entries, on_conflict: staking_pools_delegator_on_conflict()},
-        timeout: :infinity
-      })
+    Chain.import(%{
+      staking_pools: %{params: pool_entries, on_conflict: staking_pool_on_conflict()},
+      staking_pools_delegators: %{params: delegator_entries, on_conflict: staking_pools_delegator_on_conflict()},
+      timeout: :infinity
+    })
   end
 
   def transform_requests(minig_address) do