Fix start_snapshotting function

apps/explorer/lib/explorer/staking/contract_reader.ex

@@ -20,8 +20,8 @@ defmodule Explorer.Staking.ContractReader do
       pools_likelihood: {:staking, "getPoolsLikelihood", []},
       validators: {:validator_set, "getValidators", []},
       unremovable_validator: {:validator_set, "unremovableValidator", []},
-      pending_validators: {:validator_set, "getPendingValidators", []},
+      # pending_validators: {:validator_set, "getPendingValidators", []},
-      be_finalized_validators: {:validator_set, "validatorsToBeFinalized", []},
+      # be_finalized_validators: {:validator_set, "validatorsToBeFinalized", []},
       validator_set_apply_block: {:validator_set, "validatorSetApplyBlock", []}
     ]
   end

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

@@ -7,6 +7,8 @@ defmodule Explorer.Staking.ContractState do
 
   use GenServer
 
+  require Logger
+
   alias Explorer.Chain
   alias Explorer.Chain.Events.{Publisher, Subscriber}
   alias Explorer.SmartContract.Reader
@@ -118,8 +120,6 @@ defmodule Explorer.Staking.ContractState do
   end
 
   defp fetch_state(contracts, abi, block_number) do
-    previous_epoch = get(:epoch_number, 0)
-
     global_responses = ContractReader.perform_requests(ContractReader.global_requests(), contracts, abi)
     token = get_token(global_responses.token_contract_address)
 
@@ -268,11 +268,11 @@ defmodule Explorer.Staking.ContractState do
         timeout: :infinity
       })
 
-    if previous_epoch && previous_epoch != 0 && previous_epoch != global_responses.epoch_number do
+    if global_responses.epoch_start_block == block_number + 1 do
       with(
         true <- :ets.insert(@table_name, is_snapshotted: false),
         {:ok, _} <-
-          StakeSnapshotting.start_snapshoting(
+          StakeSnapshotting.start_snapshotting(
             %{contracts: contracts, abi: abi, global_responses: global_responses},
             block_number
           )

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

@@ -7,22 +7,24 @@ defmodule Explorer.Staking.StakeSnapshotting do
 
   import Ecto.Query, only: [from: 2]
 
+  require Logger
+
   alias Explorer.Chain
   alias Explorer.Chain.{StakingPool, StakingPoolsDelegator}
   alias Explorer.SmartContract.Reader
   alias Explorer.Staking.ContractReader
 
-  def start_snapshoting(%{contracts: contracts, abi: abi, global_responses: global_responses}, block_number) do
+  def start_snapshotting(%{contracts: contracts, abi: abi, global_responses: global_responses}, block_number) do
     %{
-      "getPendingValidators" => {:ok, [pending_validators_mining_addresses]},
+      "getPendingValidators" => {:ok, [pending_validators]},
-      "validatorsToBeFinalized" => {:ok, [be_finalized_validators_mining_addresses]}
+      "validatorsToBeFinalized" => {:ok, [to_be_finalized_validators]}
     } =
       Reader.query_contract(contracts.validator_set, abi, %{
         "getPendingValidators" => [],
         "validatorsToBeFinalized" => []
       })
 
-    pool_mining_addresses = Enum.uniq(pending_validators_mining_addresses ++ be_finalized_validators_mining_addresses)
+    pool_mining_addresses = Enum.uniq(pending_validators ++ to_be_finalized_validators)
 
     pool_staking_addresses =
       pool_mining_addresses

apps/explorer/priv/contracts_abi/posdao/ValidatorSetAuRa.json

@@ -557,7 +557,7 @@
     "name": "getPendingValidators",
     "outputs": [
       {
-        "name": "_miningAddress",
+        "name": "",
         "type": "address[]"
       }
     ],
@@ -571,7 +571,7 @@
     "name": "validatorsToBeFinalized",
     "outputs": [
       {
-        "name": "_miningAddress",
+        "name": "miningAddresses",
         "type": "address[]"
       }
     ],