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@ -46,32 +46,14 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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hashes = Enum.map(changes_list, & &1.hash) |
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consensus_block_numbers = consensus_block_numbers(changes_list) |
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where_invalid_neighbour = where_invalid_neighbour(changes_list) |
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# Enforce ShareLocks tables order (see docs: sharelocks.md) |
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multi |
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|> Multi.run(:acquire_blocks, fn repo, _ -> |
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acquire_blocks(repo, hashes, consensus_block_numbers, where_invalid_neighbour) |
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end) |
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|> Multi.run(:lose_consensus, fn repo, _ -> |
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lose_consensus(repo, consensus_block_numbers, insert_options) |
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end) |
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|> Multi.run(:lose_invalid_neighbour_consensus, fn repo, _ -> |
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lose_invalid_neighbour_consensus(repo, where_invalid_neighbour, insert_options) |
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end) |
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|> Multi.run(:nonconsensus_block_numbers, fn _repo, |
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%{ |
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lose_consensus: lost_consensus_blocks, |
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lose_invalid_neighbour_consensus: lost_consensus_neighbours |
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} -> |
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nonconsensus_block_numbers = |
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(lost_consensus_blocks ++ lost_consensus_neighbours) |
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|> Enum.sort() |
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|> Enum.dedup() |
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{:ok, nonconsensus_block_numbers} |
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lose_consensus(repo, hashes, consensus_block_numbers, changes_list, insert_options) |
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end) |
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|> Multi.run(:blocks, fn repo, _ -> |
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# Note, needs to be executed after `lose_consensus` for lock acquisition |
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insert(repo, changes_list, insert_options) |
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end) |
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|> Multi.run(:uncle_fetched_block_second_degree_relations, fn repo, %{blocks: blocks} when is_list(blocks) -> |
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@ -101,27 +83,14 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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transactions: transactions |
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}) |
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end) |
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|> Multi.run(:remove_nonconsensus_logs, fn repo, |
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%{ |
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nonconsensus_block_numbers: nonconsensus_block_numbers, |
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fork_transactions: transactions |
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} -> |
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remove_nonconsensus_logs(repo, nonconsensus_block_numbers, transactions, insert_options) |
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|> Multi.run(:remove_nonconsensus_logs, fn repo, %{derive_transaction_forks: transactions} -> |
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remove_nonconsensus_logs(repo, transactions, insert_options) |
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end) |
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|> Multi.run(:acquire_internal_transactions, fn repo, |
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%{ |
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nonconsensus_block_numbers: nonconsensus_block_numbers, |
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fork_transactions: transactions |
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} -> |
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acquire_internal_transactions(repo, nonconsensus_block_numbers, hashes, transactions) |
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|> Multi.run(:acquire_internal_transactions, fn repo, %{derive_transaction_forks: transactions} -> |
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acquire_internal_transactions(repo, hashes, transactions) |
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end) |
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|> Multi.run(:remove_nonconsensus_internal_transactions, fn repo, |
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%{ |
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nonconsensus_block_numbers: |
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nonconsensus_block_numbers, |
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fork_transactions: transactions |
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} -> |
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remove_nonconsensus_internal_transactions(repo, nonconsensus_block_numbers, transactions, insert_options) |
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|> Multi.run(:remove_nonconsensus_internal_transactions, fn repo, %{derive_transaction_forks: transactions} -> |
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remove_nonconsensus_internal_transactions(repo, transactions, insert_options) |
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end) |
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|> Multi.run(:internal_transaction_transaction_block_number, fn repo, _ -> |
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update_internal_transaction_block_number(repo, hashes) |
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@ -129,9 +98,8 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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|> Multi.run(:acquire_contract_address_tokens, fn repo, _ -> |
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acquire_contract_address_tokens(repo, consensus_block_numbers) |
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end) |
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|> Multi.run(:remove_nonconsensus_token_transfers, fn repo, |
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%{nonconsensus_block_numbers: nonconsensus_block_numbers} -> |
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remove_nonconsensus_token_transfers(repo, nonconsensus_block_numbers, insert_options) |
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|> Multi.run(:remove_nonconsensus_token_transfers, fn repo, %{derive_transaction_forks: transactions} -> |
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remove_nonconsensus_token_transfers(repo, transactions, insert_options) |
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end) |
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|> Multi.run(:delete_address_token_balances, fn repo, _ -> |
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delete_address_token_balances(repo, consensus_block_numbers, insert_options) |
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@ -159,22 +127,6 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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@impl Runner |
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def timeout, do: @timeout |
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defp acquire_blocks(repo, hashes, consensus_block_numbers, where_invalid_neighbour) do |
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query = |
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from( |
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block in where_invalid_neighbour, |
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or_where: block.number in ^consensus_block_numbers, |
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or_where: block.hash in ^hashes, |
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select: block.hash, |
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# Enforce Block ShareLocks order (see docs: sharelocks.md) |
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order_by: [asc: block.hash], |
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lock: "FOR UPDATE" |
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) |
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blocks = repo.all(query) |
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{:ok, blocks} |
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end |
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defp acquire_contract_address_tokens(repo, consensus_block_numbers) do |
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query = |
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from(address_current_token_balance in Address.CurrentTokenBalance, |
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@ -187,15 +139,12 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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Tokens.acquire_contract_address_tokens(repo, contract_address_hashes) |
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end |
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defp acquire_internal_transactions(repo, nonconsensus_block_numbers, hashes, forked_transactions) do |
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forked_transaction_hashes = Enum.map(forked_transactions, & &1.hash) |
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defp acquire_internal_transactions(repo, hashes, forked_transaction_hashes) do |
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query = |
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from(internal_transaction in InternalTransaction, |
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join: transaction in Transaction, |
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on: internal_transaction.transaction_hash == transaction.hash, |
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where: transaction.block_number in ^nonconsensus_block_numbers, |
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or_where: transaction.block_hash in ^hashes, |
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where: transaction.block_hash in ^hashes, |
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or_where: transaction.hash in ^forked_transaction_hashes, |
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select: {internal_transaction.transaction_hash, internal_transaction.index}, |
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# Enforce InternalTransaction ShareLocks order (see docs: sharelocks.md) |
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@ -229,14 +178,11 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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lock: "FOR UPDATE" |
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) |
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transactions = repo.all(query) |
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hashes = Enum.map(transactions, & &1.hash) |
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update_query = |
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from( |
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t in Transaction, |
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where: t.hash in ^hashes, |
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join: s in subquery(query), |
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on: t.hash == s.hash, |
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update: [ |
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set: [ |
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block_hash: nil, |
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@ -250,17 +196,19 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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updated_at: ^updated_at |
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] |
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], |
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select: t.hash |
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select: %{ |
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block_hash: s.block_hash, |
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index: s.index, |
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hash: s.hash |
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} |
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) |
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try do |
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{_num, _res} = repo.update_all(update_query, [], timeout: timeout) |
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{_num, transactions} = repo.update_all(update_query, [], timeout: timeout) |
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{:ok, transactions} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error}} |
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end |
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{:ok, transactions} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error}} |
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end |
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defp derive_transaction_forks(%{ |
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@ -283,7 +231,7 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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# Enforce Fork ShareLocks order (see docs: sharelocks.md) |
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|> Enum.sort_by(&{&1.uncle_hash, &1.index}) |
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{_total, result} = |
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{_total, forked_transaction} = |
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repo.insert_all( |
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Transaction.Fork, |
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transaction_forks, |
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@ -294,11 +242,11 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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update: [set: [hash: fragment("EXCLUDED.hash")]], |
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where: fragment("EXCLUDED.hash <> ?", transaction_fork.hash) |
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), |
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returning: [:uncle_hash, :hash], |
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returning: [:hash], |
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timeout: timeout |
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) |
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{:ok, result} |
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{:ok, Enum.map(forked_transaction, & &1.hash)} |
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end |
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@spec insert(Repo.t(), [map()], %{ |
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@ -364,47 +312,48 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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|> Enum.map(& &1.number) |
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end |
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defp lose_consensus(_, [], _), do: {:ok, []} |
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defp lose_consensus(repo, consensus_block_number, %{timeout: timeout, timestamps: %{updated_at: updated_at}}) |
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when is_list(consensus_block_number) do |
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# ShareLocks order already enforced by `acquire_blocks` (see docs: sharelocks.md) |
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{_, result} = |
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repo.update_all( |
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from(block in Block, where: block.number in ^consensus_block_number, select: block.number), |
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[set: [consensus: false, updated_at: updated_at]], |
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timeout: timeout |
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) |
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{:ok, result} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, consensus_block_numbers: consensus_block_number}} |
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end |
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defp lose_invalid_neighbour_consensus(repo, where_invalid_neighbour, %{ |
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defp lose_consensus(repo, hashes, consensus_block_numbers, changes_list, %{ |
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timeout: timeout, |
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timestamps: %{updated_at: updated_at} |
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}) do |
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# ShareLocks order already enforced by `acquire_blocks` (see docs: sharelocks.md) |
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{_, result} = |
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acquire_query = |
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from( |
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block in where_invalid_neighbour(changes_list), |
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or_where: block.number in ^consensus_block_numbers, |
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# we also need to acquire blocks that will be upserted here, for ordering |
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or_where: block.hash in ^hashes, |
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select: block.hash, |
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# Enforce Block ShareLocks order (see docs: sharelocks.md) |
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order_by: [asc: block.hash], |
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lock: "FOR UPDATE" |
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) |
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{_, removed_consensus_block_hashes} = |
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repo.update_all( |
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from(block in where_invalid_neighbour, select: block.number), |
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from( |
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block in Block, |
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join: s in subquery(acquire_query), |
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on: block.hash == s.hash, |
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# we don't want to remove consensus from blocks that will be upserted |
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where: block.hash not in ^hashes, |
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select: block.hash |
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), |
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[set: [consensus: false, updated_at: updated_at]], |
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timeout: timeout |
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) |
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{:ok, result} |
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{:ok, removed_consensus_block_hashes} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, where_invalid_neighbour: where_invalid_neighbour}} |
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{:error, %{exception: postgrex_error, consensus_block_numbers: consensus_block_numbers}} |
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end |
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defp remove_nonconsensus_token_transfers(repo, nonconsensus_block_numbers, %{timeout: timeout}) do |
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defp remove_nonconsensus_token_transfers(repo, forked_transaction_hashes, %{timeout: timeout}) do |
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ordered_token_transfers = |
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from(token_transfer in TokenTransfer, |
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where: token_transfer.block_number in ^nonconsensus_block_numbers, |
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select: map(token_transfer, [:transaction_hash, :log_index]), |
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from( |
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token_transfer in TokenTransfer, |
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where: token_transfer.transaction_hash in ^forked_transaction_hashes, |
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select: token_transfer.transaction_hash, |
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# Enforce TokenTransfer ShareLocks order (see docs: sharelocks.md) |
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order_by: [ |
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token_transfer.transaction_hash, |
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@ -417,91 +366,60 @@ defmodule Explorer.Chain.Import.Runner.Blocks do |
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from(token_transfer in TokenTransfer, |
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select: map(token_transfer, [:transaction_hash, :log_index]), |
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inner_join: ordered_token_transfer in subquery(ordered_token_transfers), |
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on: |
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ordered_token_transfer.transaction_hash == |
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token_transfer.transaction_hash and |
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ordered_token_transfer.log_index == token_transfer.log_index |
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on: ordered_token_transfer.transaction_hash == token_transfer.transaction_hash |
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) |
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try do |
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{_count, deleted_token_transfers} = repo.delete_all(query, timeout: timeout) |
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{_count, deleted_token_transfers} = repo.delete_all(query, timeout: timeout) |
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{:ok, deleted_token_transfers} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, block_numbers: nonconsensus_block_numbers}} |
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end |
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{:ok, deleted_token_transfers} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, transactions: forked_transaction_hashes}} |
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end |
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defp remove_nonconsensus_internal_transactions(repo, nonconsensus_block_numbers, forked_transactions, %{ |
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timeout: timeout |
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}) do |
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forked_transaction_hashes = Enum.map(forked_transactions, & &1.hash) |
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transaction_query = |
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from(transaction in Transaction, |
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where: transaction.block_number in ^nonconsensus_block_numbers, |
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or_where: transaction.hash in ^forked_transaction_hashes, |
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select: map(transaction, [:hash]) |
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) |
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defp remove_nonconsensus_internal_transactions(repo, forked_transaction_hashes, %{timeout: timeout}) do |
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query = |
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from(internal_transaction in InternalTransaction, |
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inner_join: transaction in subquery(transaction_query), |
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on: internal_transaction.transaction_hash == transaction.hash, |
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where: internal_transaction.transaction_hash in ^forked_transaction_hashes, |
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select: map(internal_transaction, [:transaction_hash, :index]) |
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) |
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try do |
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# ShareLocks order already enforced by `acquire_internal_transactions` (see docs: sharelocks.md) |
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{_count, deleted_internal_transactions} = repo.delete_all(query, timeout: timeout) |
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# ShareLocks order already enforced by `acquire_internal_transactions` (see docs: sharelocks.md) |
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{_count, deleted_internal_transactions} = repo.delete_all(query, timeout: timeout) |
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{:ok, deleted_internal_transactions} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, block_numbers: nonconsensus_block_numbers}} |
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end |
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{:ok, deleted_internal_transactions} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, transactions: forked_transaction_hashes}} |
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end |
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defp remove_nonconsensus_logs(repo, nonconsensus_block_numbers, forked_transactions, %{timeout: timeout}) do |
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forked_transaction_hashes = Enum.map(forked_transactions, & &1.hash) |
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transaction_query = |
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from(transaction in Transaction, |
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where: transaction.block_number in ^nonconsensus_block_numbers, |
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or_where: transaction.hash in ^forked_transaction_hashes, |
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select: map(transaction, [:hash]), |
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order_by: transaction.hash |
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) |
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defp remove_nonconsensus_logs(repo, forked_transaction_hashes, %{timeout: timeout}) do |
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ordered_logs = |
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from(log in Log, |
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inner_join: transaction in subquery(transaction_query), |
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on: log.transaction_hash == transaction.hash, |
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select: map(log, [:transaction_hash, :index]), |
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from( |
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log in Log, |
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where: log.transaction_hash in ^forked_transaction_hashes, |
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select: log.transaction_hash, |
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# Enforce Log ShareLocks order (see docs: sharelocks.md) |
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order_by: [ |
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log.transaction_hash, |
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log.index |
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], |
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lock: "FOR UPDATE OF l0" |
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lock: "FOR UPDATE" |
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) |
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query = |
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from(log in Log, |
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select: map(log, [:transaction_hash, :index]), |
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inner_join: ordered_log in subquery(ordered_logs), |
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on: ordered_log.transaction_hash == log.transaction_hash and ordered_log.index == log.index |
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on: ordered_log.transaction_hash == log.transaction_hash |
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) |
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try do |
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{_count, deleted_logs} = repo.delete_all(query, timeout: timeout) |
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{_count, deleted_logs} = repo.delete_all(query, timeout: timeout) |
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{:ok, deleted_logs} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, block_numbers: nonconsensus_block_numbers}} |
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end |
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{:ok, deleted_logs} |
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rescue |
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postgrex_error in Postgrex.Error -> |
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{:error, %{exception: postgrex_error, transactions: forked_transaction_hashes}} |
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end |
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defp delete_address_token_balances(_, [], _), do: {:ok, []} |
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Victor Baranov
5 years ago
committed by
GitHub