Merge branch 'master' into ab-fix-reorg-uncles-pagination

pull/1905/head
Ayrat Badykov 6 years ago committed by GitHub
commit b036c23d63
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  1. 4
      CHANGELOG.md
  2. 3
      apps/explorer/config/config.exs
  3. 4
      apps/explorer/lib/explorer/chain/block_count_cache.ex
  4. 24
      apps/explorer/lib/explorer/smart_contract/solidity/code_compiler.ex
  5. 37
      apps/explorer/lib/explorer/smart_contract/verifier.ex
  6. 25
      apps/explorer/lib/explorer/smart_contract/verifier/constructor_arguments.ex
  7. 4
      apps/explorer/priv/compile_solc.js
  8. 95
      apps/explorer/test/explorer/smart_contract/solidity/code_compiler_test.exs
  9. 14
      apps/explorer/test/explorer/smart_contract/verifier/constructor_arguments_test.exs
  10. 43
      apps/explorer/test/explorer/smart_contract/verifier_test.exs
  11. 3
      apps/indexer/README.md
  12. 10
      apps/indexer/lib/indexer/supervisor.ex
  13. 147
      apps/indexer/lib/indexer/temporary/addresses_without_code.ex
  14. 132
      apps/indexer/lib/indexer/temporary/failed_created_addresses.ex
  15. 389
      apps/indexer/test/indexer/temporary/addresses_without_code_test.exs
  16. 78
      apps/indexer/test/indexer/temporary/failed_created_addresses_test.exs

@ -26,11 +26,15 @@
- [#1896](https://github.com/poanetwork/blockscout/pull/1896) - re-query tokens in top nav automplete
- [#1881](https://github.com/poanetwork/blockscout/pull/1881) - fix: store solc versions locally for performance
- [#1905](https://github.com/poanetwork/blockscout/pull/1905) - fix reorgs, uncles pagination
- [#1875](https://github.com/poanetwork/blockscout/pull/1875) - fix: resolve false positive constructor arguments
- [#1904](https://github.com/poanetwork/blockscout/pull/1904) - fix `BLOCK_COUNT_CACHE_TTL` env var type
- [#1898](https://github.com/poanetwork/blockscout/pull/1898) - check if the constructor has arguments before verifying constructor arguments
### Chore
- [#1814](https://github.com/poanetwork/blockscout/pull/1814) - Clear build artefacts script
- [#1837](https://github.com/poanetwork/blockscout/pull/1837) - Add -f flag to clear_build.sh script delete static folder
- [#1892](https://github.com/poanetwork/blockscout/pull/1892) - Remove temporary worker modules
## 1.3.10-beta

@ -82,7 +82,8 @@ config :spandex_ecto, SpandexEcto.EctoLogger,
tracer: Explorer.Tracer,
otp_app: :explorer
config :explorer, Explorer.Chain.BlockCountCache, ttl: System.get_env("BLOCK_COUNT_CACHE_TTL")
config :explorer, Explorer.Chain.BlockCountCache,
ttl: System.get_env("BLOCK_COUNT_CACHE_TTL") && String.to_integer(System.get_env("BLOCK_COUNT_CACHE_TTL"))
# Import environment specific config. This must remain at the bottom
# of this file so it overrides the configuration defined above.

@ -6,8 +6,8 @@ defmodule Explorer.Chain.BlockCountCache do
alias Explorer.Chain
@tab :block_count_cache
# 1 minutes
@cache_period 1_000 * 60
# 10 minutes
@cache_period 1_000 * 60 * 10
@key "count"
@opts_key "opts"

@ -5,6 +5,8 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
alias Explorer.SmartContract.SolcDownloader
require Logger
@new_contract_name "New.sol"
@allowed_evm_versions ["homestead", "tangerineWhistle", "spuriousDragon", "byzantium", "constantinople", "petersburg"]
@ -63,6 +65,7 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
}
}
"""
@spec run(Keyword.t()) :: {:ok, map} | {:error, :compilation | :name}
def run(params) do
name = Keyword.fetch!(params, :name)
compiler_version = Keyword.fetch!(params, :compiler_version)
@ -100,7 +103,8 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
]
)
with {:ok, contracts} <- Jason.decode(response),
with {:ok, decoded} <- Jason.decode(response),
{:ok, contracts} <- get_contracts(decoded),
%{"abi" => abi, "evm" => %{"deployedBytecode" => %{"object" => bytecode}}} <-
get_contract_info(contracts, name) do
{:ok, %{"abi" => abi, "bytecode" => bytecode, "name" => name}}
@ -108,9 +112,16 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
{:error, %Jason.DecodeError{}} ->
{:error, :compilation}
{:error, reason} when reason in [:name, :compilation] ->
{:error, reason}
error ->
parse_error(error)
error = parse_error(error)
Logger.warn(["There was an error compiling a provided contract: ", inspect(error)])
{:error, :compilation}
end
else
{:error, :compilation}
end
end
@ -133,10 +144,15 @@ defmodule Explorer.SmartContract.Solidity.CodeCompiler do
end
end
def parse_error(%{"error" => error}), do: {:error, [error]}
def parse_error(%{"errors" => errors}), do: {:error, errors}
def parse_error({:error, %{"error" => error}}), do: {:error, [error]}
def parse_error({:error, %{"errors" => errors}}), do: {:error, errors}
def parse_error({:error, _} = error), do: error
# Older solc-bin versions don't use filename as contract key
defp get_contracts(%{"contracts" => %{"New.sol" => contracts}}), do: {:ok, contracts}
defp get_contracts(%{"contracts" => %{"" => contracts}}), do: {:ok, contracts}
defp get_contracts(response), do: {:error, response}
defp optimize_value(false), do: "0"
defp optimize_value("false"), do: "0"

@ -74,7 +74,7 @@ defmodule Explorer.SmartContract.Verifier do
generated_bytecode != blockchain_bytecode_without_whisper ->
{:error, :generated_bytecode}
!ConstructorArguments.verify(address_hash, arguments_data) ->
has_constructor_with_params?(abi) && !ConstructorArguments.verify(address_hash, arguments_data) ->
{:error, :constructor_arguments}
true ->
@ -86,17 +86,32 @@ defmodule Explorer.SmartContract.Verifier do
In order to discover the bytecode we need to remove the `swarm source` from
the hash.
`64` characters to the left of `0029` are the `swarm source`. The rest on
the left is the `bytecode` to be validated.
For more information on the swarm hash, check out:
https://solidity.readthedocs.io/en/v0.5.3/metadata.html#encoding-of-the-metadata-hash-in-the-bytecode
"""
def extract_bytecode("0x" <> code) do
"0x" <> extract_bytecode(code)
end
def extract_bytecode(code) do
{bytecode, _swarm_source} =
code
|> String.split("0029")
|> List.first()
|> String.split_at(-64)
do_extract_bytecode([], String.downcase(code))
end
defp do_extract_bytecode(extracted, remaining) do
case remaining do
<<>> ->
extracted
|> Enum.reverse()
|> :binary.list_to_bin()
bytecode
"a165627a7a72305820" <> <<_::binary-size(64)>> <> "0029" <> _constructor_arguments ->
extracted
|> Enum.reverse()
|> :binary.list_to_bin()
<<next::binary-size(2)>> <> rest ->
do_extract_bytecode([next | extracted], rest)
end
end
def next_evm_version(current_evm_version) do
@ -111,4 +126,8 @@ defmodule Explorer.SmartContract.Verifier do
prev_version
end
end
defp has_constructor_with_params?(abi) do
Enum.any?(abi, fn el -> el["type"] == "constructor" && el["inputs"] != [] end)
end
end

@ -7,20 +7,21 @@ defmodule Explorer.SmartContract.Verifier.ConstructorArguments do
def verify(address_hash, arguments_data) do
arguments_data = String.replace(arguments_data, "0x", "")
creation_input_data = Chain.contract_creation_input_data(address_hash)
data_with_swarm =
creation_input_data
|> String.split("0029")
|> List.first()
|> Kernel.<>("0029")
address_hash
|> Chain.contract_creation_input_data()
|> String.replace("0x", "")
|> extract_constructor_arguments()
|> Kernel.==(arguments_data)
end
defp extract_constructor_arguments(<<>>), do: ""
expected_arguments_data =
creation_input_data
|> String.split(data_with_swarm)
|> List.last()
|> String.replace("0x", "")
defp extract_constructor_arguments("a165627a7a72305820" <> <<_::binary-size(64)>> <> "0029" <> constructor_arguments) do
constructor_arguments
end
expected_arguments_data == arguments_data
defp extract_constructor_arguments(<<_::binary-size(2)>> <> rest) do
extract_constructor_arguments(rest)
end
end

@ -39,6 +39,4 @@ const input = {
const output = JSON.parse(solc.compile(JSON.stringify(input)))
/** Older solc-bin versions don't use filename as contract key */
const response = output.contracts[newContractName] || output.contracts['']
console.log(JSON.stringify(response));
console.log(JSON.stringify(output));

@ -173,6 +173,101 @@ defmodule Explorer.SmartContract.Solidity.CodeCompilerTest do
assert {:error, :compilation} = response
end
test "returns constructor in abi" do
code = """
pragma solidity ^0.4.22;
contract OwnedToken {
// TokenCreator is a contract type that is defined below.
// It is fine to reference it as long as it is not used
// to create a new contract.
TokenCreator creator;
address owner;
bytes32 name;
// This is the constructor which registers the
// creator and the assigned name.
constructor(bytes32 _name) public {
// State variables are accessed via their name
// and not via e.g. this.owner. This also applies
// to functions and especially in the constructors,
// you can only call them like that ("internally"),
// because the contract itself does not exist yet.
owner = msg.sender;
// We do an explicit type conversion from `address`
// to `TokenCreator` and assume that the type of
// the calling contract is TokenCreator, there is
// no real way to check that.
creator = TokenCreator(msg.sender);
name = _name;
}
function changeName(bytes32 newName) public {
// Only the creator can alter the name --
// the comparison is possible since contracts
// are implicitly convertible to addresses.
if (msg.sender == address(creator))
name = newName;
}
function transfer(address newOwner) public {
// Only the current owner can transfer the token.
if (msg.sender != owner) return;
// We also want to ask the creator if the transfer
// is fine. Note that this calls a function of the
// contract defined below. If the call fails (e.g.
// due to out-of-gas), the execution here stops
// immediately.
if (creator.isTokenTransferOK(owner, newOwner))
owner = newOwner;
}
}
contract TokenCreator {
function createToken(bytes32 name)
public
returns (OwnedToken tokenAddress)
{
// Create a new Token contract and return its address.
// From the JavaScript side, the return type is simply
// `address`, as this is the closest type available in
// the ABI.
return new OwnedToken(name);
}
function changeName(OwnedToken tokenAddress, bytes32 name) public {
// Again, the external type of `tokenAddress` is
// simply `address`.
tokenAddress.changeName(name);
}
function isTokenTransferOK(address currentOwner, address newOwner)
public
view
returns (bool ok)
{
// Check some arbitrary condition.
address tokenAddress = msg.sender;
return (keccak256(newOwner) & 0xff) == (bytes20(tokenAddress) & 0xff);
}
}
"""
name = "OwnedToken"
compiler_version = "v0.4.22+commit.4cb486ee"
{:ok, %{"abi" => abi}} =
CodeCompiler.run(
name: name,
compiler_version: compiler_version,
code: code,
evm_version: "byzantium",
optimize: true
)
assert Enum.any?(abi, fn el -> el["type"] == "constructor" end)
end
end
describe "get_contract_info/1" do

@ -7,17 +7,19 @@ defmodule Explorer.SmartContract.Verifier.ConstructorArgumentsTest do
alias Explorer.SmartContract.Verifier.ConstructorArguments
test "veriies constructor constructor arguments with whisper data" do
constructor_arguments = "0x0405"
constructor_arguments = Base.encode16(:crypto.strong_rand_bytes(64), case: :lower)
address = insert(:address)
input = %Data{
bytes:
<<1, 2, 3, 93, 148, 60, 87, 91, 232, 162, 174, 226, 187, 119, 55, 167, 101, 253, 210, 198, 228, 155, 116, 205,
44, 146, 171, 15, 168, 228, 40, 45, 26, 117, 174, 0, 41, 4, 5>>
input =
"a165627a7a72305820" <>
Base.encode16(:crypto.strong_rand_bytes(32), case: :lower) <> "0029" <> constructor_arguments
input_data = %Data{
bytes: Base.decode16!(input, case: :lower)
}
:transaction
|> insert(created_contract_address_hash: address.hash, input: input)
|> insert(created_contract_address_hash: address.hash, input: input_data)
|> with_block()
assert ConstructorArguments.verify(address.hash, constructor_arguments)

@ -117,31 +117,6 @@ defmodule Explorer.SmartContract.VerifierTest do
assert abi != nil
end
test "returns error when constructor arguments do not match", %{
contract_code_info: contract_code_info
} do
contract_address = insert(:contract_address, contract_code: contract_code_info.bytecode)
constructor_arguments = "0102030405"
params = %{
"contract_source_code" => contract_code_info.source_code,
"compiler_version" => contract_code_info.version,
"name" => contract_code_info.name,
"optimization" => contract_code_info.optimized,
"constructor_arguments" => constructor_arguments
}
:transaction
|> insert(
created_contract_address_hash: contract_address.hash,
input: Verifier.extract_bytecode(contract_code_info.bytecode) <> "010203"
)
|> with_block()
assert {:error, :constructor_arguments} = Verifier.evaluate_authenticity(contract_address.hash, params)
end
test "returns error when bytecode doesn't match", %{contract_code_info: contract_code_info} do
contract_address = insert(:contract_address, contract_code: contract_code_info.bytecode)
@ -181,7 +156,7 @@ defmodule Explorer.SmartContract.VerifierTest do
swarm_source = "3c381c1b48b38d050c54d7ef296ecd411040e19420dfec94772b9c49ae106a0b"
bytecode =
"0x608060405234801561001057600080fd5b5060df8061001f6000396000f3006080604052600436106049576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806360fe47b114604e5780636d4ce63c146078575b600080fd5b348015605957600080fd5b5060766004803603810190808035906020019092919050505060a0565b005b348015608357600080fd5b50608a60aa565b6040518082815260200191505060405180910390f35b8060008190555050565b600080549050905600a165627a7a72305820"
"0x608060405234801561001057600080fd5b5060df8061001f6000396000f3006080604052600436106049576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806360fe47b114604e5780636d4ce63c146078575b600080fd5b348015605957600080fd5b5060766004803603810190808035906020019092919050505060a0565b005b348015608357600080fd5b50608a60aa565b6040518082815260200191505060405180910390f35b8060008190555050565b600080549050905600"
assert bytecode == Verifier.extract_bytecode(code)
assert bytecode != code
@ -189,5 +164,21 @@ defmodule Explorer.SmartContract.VerifierTest do
assert String.contains?(bytecode, "0029") == false
assert String.contains?(bytecode, swarm_source) == false
end
test "extracts everything to the left of the swarm hash" do
code =
"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"
swarm_source = "3c381c1b48b38d050c54d7ef296ecd411040e19420dfec94772b9c49ae106a0b"
bytecode =
"0x608060405234801561001057600080fd5b5060df80610010029f6000396000f3006080604052600436106049576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806360fe47b114604e5780636d4ce63c146078575b600080fd5b348015605957600080fd5b5060766004803603810190808035906020019092919050505060a0565b005b348015608357600080fd5b50608a60aa565b6040518082815260200191505060405180910390f35b8060008190555050565b600080549050905600"
assert bytecode == Verifier.extract_bytecode(code)
assert bytecode != code
assert String.contains?(code, bytecode) == true
assert String.contains?(bytecode, "0029") == true
assert String.contains?(bytecode, swarm_source) == false
end
end
end

@ -91,8 +91,6 @@ These workers are created for fetching information, which previously wasn't fetc
After all deployed instances get all needed data, these fetchers should be deprecated and removed.
- `uncataloged_token_transfers`: extracts token transfers from logs, which previously weren't parsed due to unknown format
- `addresses_without_codes`: forces complete refetch of blocks, which have created contract addresses without contract code
- `failed_created_addresses`: forces refetch of contract code for failed transactions, which previously got incorrectly overwritten
- `uncles_without_index`: adds previously unfetched `index` field for unfetched blocks in `block_second_degree_relations`
## Memory Usage
@ -156,4 +154,3 @@ mix test --exclude no_geth
|:----------|:--------------------------------------------------|
| HTTP | `https://mainnet.infura.io/8lTvJTKmHPCHazkneJsY` |
| WebSocket | `wss://mainnet.infura.io/ws/8lTvJTKmHPCHazkneJsY` |

@ -24,8 +24,6 @@ defmodule Indexer.Supervisor do
}
alias Indexer.Temporary.{
AddressesWithoutCode,
FailedCreatedAddresses,
UncatalogedTokenTransfers,
UnclesWithoutIndex
}
@ -80,12 +78,6 @@ defmodule Indexer.Supervisor do
|> Map.drop(~w(block_interval blocks_concurrency memory_monitor subscribe_named_arguments realtime_overrides)a)
|> Block.Fetcher.new()
fixing_realtime_fetcher = %Block.Fetcher{
broadcast: false,
callback_module: Realtime.Fetcher,
json_rpc_named_arguments: json_rpc_named_arguments
}
realtime_block_fetcher =
named_arguments
|> Map.drop(~w(block_interval blocks_concurrency memory_monitor subscribe_named_arguments realtime_overrides)a)
@ -130,8 +122,6 @@ defmodule Indexer.Supervisor do
{TokenUpdater.Supervisor, [%{update_interval: metadata_updater_inverval}]},
# Temporary workers
{AddressesWithoutCode.Supervisor, [fixing_realtime_fetcher]},
{FailedCreatedAddresses.Supervisor, [json_rpc_named_arguments]},
{UncatalogedTokenTransfers.Supervisor, [[]]},
{UnclesWithoutIndex.Supervisor,
[[json_rpc_named_arguments: json_rpc_named_arguments, memory_monitor: memory_monitor]]}

@ -1,147 +0,0 @@
defmodule Indexer.Temporary.AddressesWithoutCode do
@moduledoc """
Temporary module to fetch contract code for addresses without it.
"""
use GenServer
use Indexer.Fetcher
require Logger
import Ecto.Query
alias Explorer.Chain.{Address, Block, Transaction}
alias Explorer.Repo
alias Indexer.Block.Realtime.Fetcher
alias Indexer.Temporary.AddressesWithoutCode.TaskSupervisor
@task_options [max_concurrency: 3, timeout: :infinity]
@batch_size 500
@query_timeout :infinity
def start_link([fetcher, gen_server_options]) do
GenServer.start_link(__MODULE__, fetcher, gen_server_options)
end
@impl GenServer
def init(fetcher) do
schedule_work()
{:ok, fetcher}
end
def schedule_work do
Process.send_after(self(), :run, 1_000)
end
@impl GenServer
def handle_info(:run, fetcher) do
run(fetcher)
{:noreply, fetcher}
end
def run(fetcher) do
fix_transaction_without_to_address_and_created_contract_address(fetcher)
fix_addresses_with_creation_transaction_but_without_code(fetcher)
end
def fix_transaction_without_to_address_and_created_contract_address(fetcher) do
Logger.debug(
[
"Started fix_transaction_without_to_address_and_created_contract_address"
],
fetcher: :addresses_without_code
)
query =
from(block in Block,
left_join: transaction in Transaction,
on: block.hash == transaction.block_hash,
where:
is_nil(transaction.to_address_hash) and is_nil(transaction.created_contract_address_hash) and
block.consensus == true and is_nil(transaction.error) and not is_nil(transaction.hash),
distinct: block.hash
)
process_query(query, fetcher)
Logger.debug(
[
"Started fix_transaction_without_to_address_and_created_contract_address"
],
fetcher: :addresses_without_code
)
end
def fix_addresses_with_creation_transaction_but_without_code(fetcher) do
Logger.debug(
[
"Started fix_addresses_with_creation_transaction_but_without_code"
],
fetcher: :addresses_without_code
)
second_query =
from(block in Block,
left_join: transaction in Transaction,
on: transaction.block_hash == block.hash,
left_join: address in Address,
on: address.hash == transaction.created_contract_address_hash,
where:
not is_nil(transaction.block_hash) and not is_nil(transaction.created_contract_address_hash) and
is_nil(address.contract_code) and
block.consensus == true and is_nil(transaction.error) and not is_nil(transaction.hash),
distinct: block.hash
)
process_query(second_query, fetcher)
Logger.debug(
[
"Finished fix_addresses_with_creation_transaction_but_without_code"
],
fetcher: :addresses_without_code
)
end
defp process_query(query, fetcher) do
query_stream = Repo.stream(query, max_rows: @batch_size, timeout: @query_timeout)
stream =
TaskSupervisor
|> Task.Supervisor.async_stream_nolink(
query_stream,
fn block -> refetch_block(block, fetcher) end,
@task_options
)
Repo.transaction(fn -> Stream.run(stream) end, timeout: @query_timeout)
end
def refetch_block(block, fetcher) do
Logger.debug(
[
"Processing block #{to_string(block.hash)} #{block.number}"
],
fetcher: :addresses_without_code
)
Fetcher.fetch_and_import_block(block.number, fetcher, false)
Logger.debug(
[
"Finished processing block #{to_string(block.hash)} #{block.number}"
],
fetcher: :addresses_without_code
)
rescue
e ->
Logger.debug(
[
"Failed to fetch block #{to_string(block.hash)} #{block.number} because of #{inspect(e)}"
],
fetcher: :addresses_without_code
)
end
end

@ -1,132 +0,0 @@
defmodule Indexer.Temporary.FailedCreatedAddresses do
@moduledoc """
Temporary module to fix internal transactions and their created transactions if a parent transaction has failed.
"""
use GenServer
use Indexer.Fetcher
require Logger
import Ecto.Query
alias Explorer.Chain.{Address, Data, InternalTransaction, Transaction}
alias Explorer.Repo
alias Indexer.Fetcher.ContractCode
alias Indexer.Temporary.FailedCreatedAddresses.TaskSupervisor
@task_options [max_concurrency: 3, timeout: :infinity]
@query_timeout :infinity
def start_link([json_rpc_named_arguments, gen_server_options]) do
GenServer.start_link(__MODULE__, json_rpc_named_arguments, gen_server_options)
end
@impl GenServer
def init(json_rpc_named_arguments) do
schedule_work()
{:ok, json_rpc_named_arguments}
end
def schedule_work do
Process.send_after(self(), :run, 1_000)
end
@impl GenServer
def handle_info(:run, json_rpc_named_arguments) do
run(json_rpc_named_arguments)
{:noreply, json_rpc_named_arguments}
end
def run(json_rpc_named_arguments) do
Logger.debug(
[
"Started query to fetch internal transactions that need to be fixed"
],
fetcher: :failed_created_addresses
)
data = %Data{bytes: ""}
query =
from(t in Transaction,
left_join: it in InternalTransaction,
on: it.transaction_hash == t.hash,
left_join: address in Address,
on: address.hash == it.created_contract_address_hash,
where: t.status == ^0 and not is_nil(it.created_contract_address_hash) and address.contract_code != ^data,
distinct: t.hash
)
found_transactions = Repo.all(query, timeout: @query_timeout)
Logger.debug(
[
"Finished query to fetch internal transactions that need to be fixed. Number of records is #{
Enum.count(found_transactions)
}"
],
fetcher: :failed_created_addresses
)
TaskSupervisor
|> Task.Supervisor.async_stream_nolink(
found_transactions,
fn transaction -> fix_internal_transaction(transaction, json_rpc_named_arguments) end,
@task_options
)
|> Enum.to_list()
end
def fix_internal_transaction(transaction, json_rpc_named_arguments) do
# credo:disable-for-next-line
try do
Logger.debug(
[
"Started fixing transaction #{to_string(transaction.hash)}"
],
fetcher: :failed_created_addresses
)
transaction_with_internal_transactions = Repo.preload(transaction, [:internal_transactions])
transaction_with_internal_transactions.internal_transactions
|> Enum.filter(fn internal_transaction ->
internal_transaction.created_contract_address_hash
end)
|> Enum.each(fn internal_transaction ->
:ok =
internal_transaction
|> code_entry()
|> ContractCode.run(json_rpc_named_arguments)
end)
Logger.debug(
[
"Finished fixing transaction #{to_string(transaction.hash)}"
],
fetcher: :failed_created_addresses
)
rescue
e ->
Logger.debug(
[
"Failed fixing transaction #{to_string(transaction.hash)} because of #{inspect(e)}"
],
fetcher: :failed_created_addresses
)
end
end
def code_entry(%InternalTransaction{
block_number: block_number,
created_contract_address_hash: %{bytes: created_contract_bytes}
}) do
[{block_number, created_contract_bytes, <<>>}]
end
def transaction_entry(%Transaction{hash: %{bytes: bytes}, index: index, block_number: block_number}) do
[{block_number, bytes, index}]
end
end

@ -1,389 +0,0 @@
defmodule Indexer.Temporary.AddressesWithoutCodeTest do
use Explorer.DataCase, async: false
use EthereumJSONRPC.Case, async: false
import Mox
import Ecto.Query
alias Explorer.Repo
alias Explorer.Chain.{Address, Transaction}
alias Indexer.Block.Fetcher
alias Indexer.Block.Realtime.Fetcher, as: RealtimeFetcher
alias Indexer.Fetcher.{CoinBalance, ContractCode, InternalTransaction, ReplacedTransaction, Token, TokenBalance}
alias Indexer.Temporary.AddressesWithoutCode.Supervisor
@moduletag capture_log: true
setup :set_mox_global
setup :verify_on_exit!
describe "run/1" do
setup %{json_rpc_named_arguments: json_rpc_named_arguments} do
CoinBalance.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
ContractCode.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
InternalTransaction.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
Token.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
TokenBalance.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
ReplacedTransaction.Supervisor.Case.start_supervised!()
[name: Indexer.Block.Realtime.TaskSupervisor]
|> Task.Supervisor.child_spec()
|> ExUnit.Callbacks.start_supervised!()
fetcher = %Fetcher{
broadcast: false,
callback_module: RealtimeFetcher,
json_rpc_named_arguments: json_rpc_named_arguments
}
{:ok, %{fetcher: fetcher}}
end
@tag :no_parity
@tag :no_geth
test "refetches blocks setting created address and code", %{
fetcher: %{json_rpc_named_arguments: json_rpc_named_arguments} = fetcher
} do
block = insert(:block, consensus: true)
transaction =
:transaction
|> insert(
status: 0,
to_address: nil,
created_contract_address_hash: nil,
block: block,
block_number: block.number,
block_hash: block.hash,
cumulative_gas_used: 200,
gas_used: 100,
index: 0
)
address = insert(:address, contract_code: nil)
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
EthereumJSONRPC.Mox
|> expect(:json_rpc, fn [%{id: id, method: "eth_getBlockByNumber", params: [_block_quantity, true]}],
_options ->
{:ok,
[
%{
id: id,
jsonrpc: "2.0",
result: %{
"author" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"difficulty" => "0xfffffffffffffffffffffffffffffffe",
"extraData" => "0xd5830108048650617269747986312e32322e31826c69",
"gasLimit" => "0x69fe20",
"gasUsed" => "0xc512",
"hash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"logsBloom" =>
"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000200000000000000000000020000000000000000200000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"number" => "0x25",
"parentHash" => "0xc37bbad7057945d1bf128c1ff009fb1ad632110bf6a000aac025a80f7766b66e",
"receiptsRoot" => "0xd300311aab7dcc98c05ac3f1893629b2c9082c189a0a0c76f4f63e292ac419d5",
"sealFields" => [
"0x84120a71de",
"0xb841fcdb570511ec61edda93849bb7c6b3232af60feb2ea74e4035f0143ab66dfdd00f67eb3eda1adddbb6b572db1e0abd39ce00f9b3ccacb9f47973279ff306fe5401"
],
"sha3Uncles" => "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"signature" =>
"fcdb570511ec61edda93849bb7c6b3232af60feb2ea74e4035f0143ab66dfdd00f67eb3eda1adddbb6b572db1e0abd39ce00f9b3ccacb9f47973279ff306fe5401",
"size" => "0x2cf",
"stateRoot" => "0x2cd84079b0d0c267ed387e3895fd1c1dc21ff82717beb1132adac64276886e19",
"step" => "302674398",
"timestamp" => "0x5a343956",
"totalDifficulty" => "0x24ffffffffffffffffffffffffedf78dfd",
"transactions" => [
%{
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"chainId" => "0x4d",
"condition" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"creates" => to_string(address.hash),
"from" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"to" => nil,
"gas" => "0x47b760",
"gasPrice" => "0x174876e800",
"hash" => to_string(transaction.hash),
"input" => "0x10855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
"nonce" => "0x4",
"publicKey" =>
"0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
"r" => "0xa7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01",
"raw" =>
"0xf88a0485174876e8008347b760948bf38d4764929064f2d4d3a56520a76ab3df415b80a410855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef81bea0a7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01a01f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f",
"s" => "0x1f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f",
"standardV" => "0x1",
"transactionIndex" => "0x0",
"v" => "0xbe",
"value" => "0x0"
}
],
"transactionsRoot" => "0x68e314a05495f390f9cd0c36267159522e5450d2adf254a74567b452e767bf34",
"uncles" => []
}
}
]}
end)
|> expect(:json_rpc, fn [
%{
id: id,
method: "eth_getTransactionReceipt",
params: _
}
],
_options ->
{:ok,
[
%{
id: id,
jsonrpc: "2.0",
result: %{
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"contractAddress" => to_string(address.hash),
"cumulativeGasUsed" => "0xc512",
"gasUsed" => "0xc512",
"logs" => [
%{
"address" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"data" => "0x000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
"logIndex" => "0x0",
"topics" => ["0x600bcf04a13e752d1e3670a5a9f1c21177ca2a93c6f5391d4f1298d098097c22"],
"transactionHash" => to_string(transaction.hash),
"transactionIndex" => "0x0",
"transactionLogIndex" => "0x0",
"type" => "mined"
}
],
"logsBloom" =>
"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000200000000000000000000020000000000000000200000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"root" => nil,
"status" => "0x1",
"transactionHash" => to_string(transaction.hash),
"transactionIndex" => "0x0"
}
}
]}
end)
|> expect(:json_rpc, fn [%{id: id, method: "trace_block", params: _}], _options ->
{:ok, [%{id: id, result: []}]}
end)
|> expect(:json_rpc, fn [%{id: id, method: "trace_replayBlockTransactions", params: _}], _options ->
{:ok, [%{id: id, result: []}]}
end)
|> expect(:json_rpc, fn [
%{
id: 0,
jsonrpc: "2.0",
method: "eth_getBalance",
params: ["0x0000000000000000000000000000000000000003", "0x25"]
},
%{
id: 1,
jsonrpc: "2.0",
method: "eth_getBalance",
params: ["0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca", "0x25"]
}
],
_options ->
{:ok, [%{id: 0, jsonrpc: "2.0", result: "0x0"}, %{id: 1, jsonrpc: "2.0", result: "0x0"}]}
end)
end
[fetcher, [name: AddressesWithoutCodeTest]]
|> Supervisor.child_spec()
|> ExUnit.Callbacks.start_supervised!()
Process.sleep(5_000)
updated_address =
from(a in Address, where: a.hash == ^address.hash, preload: :contracts_creation_transaction) |> Repo.one()
assert updated_address.contracts_creation_transaction.hash == transaction.hash
updated_transaction =
from(t in Transaction, where: t.hash == ^transaction.hash, preload: :created_contract_address) |> Repo.one()
assert updated_transaction.created_contract_address.hash == address.hash
assert updated_address.contract_code == updated_transaction.input
end
@tag :no_parity
@tag :no_geth
test "doesn't set contract code if contract wasn't create", %{
fetcher: %{json_rpc_named_arguments: json_rpc_named_arguments} = fetcher
} do
block = insert(:block, consensus: true)
transaction =
:transaction
|> insert(
status: 0,
to_address: nil,
created_contract_address_hash: nil,
block: block,
block_number: block.number,
block_hash: block.hash,
cumulative_gas_used: 200,
gas_used: 100,
index: 0
)
address = insert(:address, contract_code: nil)
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
EthereumJSONRPC.Mox
|> expect(:json_rpc, fn [%{id: id, method: "eth_getBlockByNumber", params: [_block_quantity, true]}],
_options ->
{:ok,
[
%{
id: id,
jsonrpc: "2.0",
result: %{
"author" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"difficulty" => "0xfffffffffffffffffffffffffffffffe",
"extraData" => "0xd5830108048650617269747986312e32322e31826c69",
"gasLimit" => "0x69fe20",
"gasUsed" => "0xc512",
"hash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"logsBloom" =>
"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000200000000000000000000020000000000000000200000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"miner" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"number" => "0x25",
"parentHash" => "0xc37bbad7057945d1bf128c1ff009fb1ad632110bf6a000aac025a80f7766b66e",
"receiptsRoot" => "0xd300311aab7dcc98c05ac3f1893629b2c9082c189a0a0c76f4f63e292ac419d5",
"sealFields" => [
"0x84120a71de",
"0xb841fcdb570511ec61edda93849bb7c6b3232af60feb2ea74e4035f0143ab66dfdd00f67eb3eda1adddbb6b572db1e0abd39ce00f9b3ccacb9f47973279ff306fe5401"
],
"sha3Uncles" => "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
"signature" =>
"fcdb570511ec61edda93849bb7c6b3232af60feb2ea74e4035f0143ab66dfdd00f67eb3eda1adddbb6b572db1e0abd39ce00f9b3ccacb9f47973279ff306fe5401",
"size" => "0x2cf",
"stateRoot" => "0x2cd84079b0d0c267ed387e3895fd1c1dc21ff82717beb1132adac64276886e19",
"step" => "302674398",
"timestamp" => "0x5a343956",
"totalDifficulty" => "0x24ffffffffffffffffffffffffedf78dfd",
"transactions" => [
%{
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"chainId" => "0x4d",
"condition" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"from" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"to" => nil,
"gas" => "0x47b760",
"gasPrice" => "0x174876e800",
"hash" => to_string(transaction.hash),
"input" => "0x10855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
"nonce" => "0x4",
"publicKey" =>
"0xe5d196ad4ceada719d9e592f7166d0c75700f6eab2e3c3de34ba751ea786527cb3f6eb96ad9fdfdb9989ff572df50f1c42ef800af9c5207a38b929aff969b5c9",
"r" => "0xa7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01",
"raw" =>
"0xf88a0485174876e8008347b760948bf38d4764929064f2d4d3a56520a76ab3df415b80a410855269000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef81bea0a7f8f45cce375bb7af8750416e1b03e0473f93c256da2285d1134fc97a700e01a01f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f",
"s" => "0x1f87a076f13824f4be8963e3dffd7300dae64d5f23c9a062af0c6ead347c135f",
"standardV" => "0x1",
"transactionIndex" => "0x0",
"v" => "0xbe",
"value" => "0x0"
}
],
"transactionsRoot" => "0x68e314a05495f390f9cd0c36267159522e5450d2adf254a74567b452e767bf34",
"uncles" => []
}
}
]}
end)
|> expect(:json_rpc, fn [
%{
id: id,
method: "eth_getTransactionReceipt",
params: _
}
],
_options ->
{:ok,
[
%{
id: id,
jsonrpc: "2.0",
result: %{
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"contractAddress" => nil,
"cumulativeGasUsed" => "0xc512",
"gasUsed" => "0xc512",
"logs" => [
%{
"address" => "0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca",
"blockHash" => "0xf6b4b8c88df3ebd252ec476328334dc026cf66606a84fb769b3d3cbccc8471bd",
"blockNumber" => "0x25",
"data" => "0x000000000000000000000000862d67cb0773ee3f8ce7ea89b328ffea861ab3ef",
"logIndex" => "0x0",
"topics" => ["0x600bcf04a13e752d1e3670a5a9f1c21177ca2a93c6f5391d4f1298d098097c22"],
"transactionHash" => to_string(transaction.hash),
"transactionIndex" => "0x0",
"transactionLogIndex" => "0x0",
"type" => "mined"
}
],
"logsBloom" =>
"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000200000000000000000000020000000000000000200000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"root" => nil,
"status" => "0x1",
"transactionHash" => to_string(transaction.hash),
"transactionIndex" => "0x0"
}
}
]}
end)
|> expect(:json_rpc, fn [%{id: id, method: "trace_block", params: _}], _options ->
{:ok, [%{id: id, result: []}]}
end)
|> expect(:json_rpc, fn [%{id: id, method: "trace_replayBlockTransactions", params: _}], _options ->
{:ok, [%{id: id, result: []}]}
end)
|> expect(:json_rpc, fn [
%{
id: 1,
jsonrpc: "2.0",
method: "eth_getBalance",
params: ["0xe8ddc5c7a2d2f0d7a9798459c0104fdf5e987aca", "0x25"]
}
],
_options ->
{:ok, [%{id: 1, jsonrpc: "2.0", result: "0x0"}]}
end)
end
[fetcher, [name: AddressesWithoutCodeTest1]]
|> Supervisor.child_spec()
|> ExUnit.Callbacks.start_supervised!()
Process.sleep(2_000)
updated_address =
from(a in Address, where: a.hash == ^address.hash, preload: :contracts_creation_transaction) |> Repo.one()
assert is_nil(updated_address.contracts_creation_transaction)
updated_transaction =
from(t in Transaction, where: t.hash == ^transaction.hash, preload: :created_contract_address) |> Repo.one()
assert is_nil(updated_transaction.created_contract_address)
assert is_nil(updated_address.contract_code)
end
end
end

@ -1,78 +0,0 @@
defmodule Indexer.Temporary.FailedCreatedAddressesTest do
use Explorer.DataCase, async: false
use EthereumJSONRPC.Case, async: false
import Mox
import Ecto.Query
alias Explorer.Repo
alias Explorer.Chain.Address
alias Indexer.Fetcher.CoinBalance
alias Indexer.Temporary.FailedCreatedAddresses.Supervisor
@moduletag capture_log: true
setup :set_mox_global
setup :verify_on_exit!
describe "run/1" do
@tag :no_parity
@tag :no_geth
test "updates failed replaced transactions", %{json_rpc_named_arguments: json_rpc_named_arguments} do
CoinBalance.Supervisor.Case.start_supervised!(json_rpc_named_arguments: json_rpc_named_arguments)
block = insert(:block)
transaction =
:transaction
|> insert(
status: 0,
error: "Reverted",
internal_transactions_indexed_at: DateTime.utc_now(),
block: block,
block_number: block.number,
cumulative_gas_used: 200,
gas_used: 100,
index: 0
)
address = insert(:address, contract_code: "0x0102030405")
insert(:internal_transaction,
block_number: transaction.block_number,
transaction: transaction,
index: 0,
created_contract_address_hash: address.hash
)
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do
EthereumJSONRPC.Mox
|> expect(:json_rpc, fn _json, _options ->
{:ok, [%{id: 0, jsonrpc: "2.0", result: "0x"}]}
end)
|> expect(:json_rpc, fn [%{id: id, method: "eth_getBalance", params: [_address, _block_quantity]}], _options ->
{:ok, [%{id: id, result: "0x0"}]}
end)
end
params = [json_rpc_named_arguments, [name: TestFailedCreatedAddresses]]
params
|> Supervisor.child_spec()
|> ExUnit.Callbacks.start_supervised!()
Process.sleep(3_000)
fetched_address =
Repo.one(
from(a in Address,
where: a.hash == ^address.hash
)
)
assert fetched_address.contract_code == %Explorer.Chain.Data{bytes: ""}
end
end
end
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