Add support of 0.6.x version of Solidity compiler

pull/2956/head
Victor Baranov 5 years ago
parent 130a4084ea
commit 0b24d783e2
  1. 1
      CHANGELOG.md
  2. 4
      apps/block_scout_web/assets/package.json
  3. 2
      apps/explorer/config/config.exs
  4. 16
      apps/explorer/lib/explorer/smart_contract/verifier.ex
  5. 48
      apps/explorer/lib/explorer/smart_contract/verifier/constructor_arguments.ex
  6. 204
      apps/explorer/package-lock.json
  7. 6
      apps/explorer/package.json
  8. 1
      apps/explorer/test/explorer/smart_contract/verifier_test.exs

@ -6,6 +6,7 @@
- [#2918](https://github.com/poanetwork/blockscout/pull/2918) - Add tokenID for tokentx API action explicitly - [#2918](https://github.com/poanetwork/blockscout/pull/2918) - Add tokenID for tokentx API action explicitly
### Fixes ### Fixes
- [#2956](https://github.com/poanetwork/blockscout/pull/2956) - Add support of 0.6.x version of compiler
- [#2934](https://github.com/poanetwork/blockscout/pull/2934) - RSK release 1.2.0 breaking changes support - [#2934](https://github.com/poanetwork/blockscout/pull/2934) - RSK release 1.2.0 breaking changes support
- [#2933](https://github.com/poanetwork/blockscout/pull/2933) - Get rid of deadlock in the query to address_current_token_balance table - [#2933](https://github.com/poanetwork/blockscout/pull/2933) - Get rid of deadlock in the query to address_current_token_balance table
- [#2932](https://github.com/poanetwork/blockscout/pull/2932) - fix duplicate websocket connection - [#2932](https://github.com/poanetwork/blockscout/pull/2932) - fix duplicate websocket connection

@ -8,8 +8,8 @@
"author": "POA Network", "author": "POA Network",
"license": "GPL-3.0", "license": "GPL-3.0",
"engines": { "engines": {
"node": "9.x", "node": "12.x",
"npm": "5.x" "npm": "6.x"
}, },
"scripts": { "scripts": {
"deploy": "webpack --mode production", "deploy": "webpack --mode production",

@ -12,7 +12,7 @@ config :explorer,
token_functions_reader_max_retries: 3, token_functions_reader_max_retries: 3,
allowed_evm_versions: allowed_evm_versions:
System.get_env("ALLOWED_EVM_VERSIONS") || System.get_env("ALLOWED_EVM_VERSIONS") ||
"homestead,tangerineWhistle,spuriousDragon,byzantium,constantinople,petersburg,default", "homestead,tangerineWhistle,spuriousDragon,byzantium,constantinople,petersburg,istanbul,default",
include_uncles_in_average_block_time: include_uncles_in_average_block_time:
if(System.get_env("UNCLES_IN_AVERAGE_BLOCK_TIME") == "true", do: true, else: false), if(System.get_env("UNCLES_IN_AVERAGE_BLOCK_TIME") == "true", do: true, else: false),
healthy_blocks_period: System.get_env("HEALTHY_BLOCKS_PERIOD") || :timer.minutes(5), healthy_blocks_period: System.get_env("HEALTHY_BLOCKS_PERIOD") || :timer.minutes(5),

@ -151,6 +151,22 @@ defmodule Explorer.SmartContract.Verifier do
|> Enum.reverse() |> Enum.reverse()
|> :binary.list_to_bin() |> :binary.list_to_bin()
# Solidity >= 0.6.0 https://github.com/ethereum/solidity/blob/develop/Changelog.md#060-2019-12-17
# https://github.com/ethereum/solidity/blob/26b700771e9cc9c956f0503a05de69a1be427963/docs/metadata.rst#encoding-of-the-metadata-hash-in-the-bytecode
# IPFS is used instead of Swarm
# The current version of the Solidity compiler usually adds the following to the end of the deployed bytecode:
# 0xa2
# 0x64 'i' 'p' 'f' 's' 0x58 0x22 <34 bytes IPFS hash>
# 0x64 's' 'o' 'l' 'c' 0x43 <3 byte version encoding>
# 0x00 0x32
# Note: there is a bug in the docs. Instead of 0x32, 0x33 should be used.
# Fixing PR has been created https://github.com/ethereum/solidity/pull/8174
"a264697066735822" <>
<<_::binary-size(68)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0033" <> _constructor_arguments ->
extracted
|> Enum.reverse()
|> :binary.list_to_bin()
<<next::binary-size(2)>> <> rest -> <<next::binary-size(2)>> <> rest ->
do_extract_bytecode([next | extracted], rest) do_extract_bytecode([next | extracted], rest)
end end

@ -35,36 +35,32 @@ defmodule Explorer.SmartContract.Verifier.ConstructorArguments do
case code do case code do
# Solidity ~ 4.23 # https://solidity.readthedocs.io/en/v0.4.23/metadata.html # Solidity ~ 4.23 # https://solidity.readthedocs.io/en/v0.4.23/metadata.html
"a165627a7a72305820" <> <<_::binary-size(64)>> <> "0029" <> constructor_arguments -> "a165627a7a72305820" <> <<_::binary-size(64)>> <> "0029" <> constructor_arguments ->
check_func_result = check_func.(constructor_arguments) extract_constructor_arguments_check_func(constructor_arguments, check_func)
if check_func_result do
check_func_result
else
extract_constructor_arguments(constructor_arguments, check_func)
end
# Solidity >= 0.5.10 https://solidity.readthedocs.io/en/v0.5.10/metadata.html # Solidity >= 0.5.10 https://solidity.readthedocs.io/en/v0.5.10/metadata.html
"a265627a7a72305820" <> "a265627a7a72305820" <>
<<_::binary-size(64)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0032" <> constructor_arguments -> <<_::binary-size(64)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0032" <> constructor_arguments ->
check_func_result = check_func.(constructor_arguments) extract_constructor_arguments_check_func(constructor_arguments, check_func)
if check_func_result do
check_func_result
else
extract_constructor_arguments(constructor_arguments, check_func)
end
# Solidity >= 0.5.11 https://github.com/ethereum/solidity/blob/develop/Changelog.md#0511-2019-08-12 # Solidity >= 0.5.11 https://github.com/ethereum/solidity/blob/develop/Changelog.md#0511-2019-08-12
# Metadata: Update the swarm hash to the current specification, changes bzzr0 to bzzr1 and urls to use bzz-raw:// # Metadata: Update the swarm hash to the current specification, changes bzzr0 to bzzr1 and urls to use bzz-raw://
"a265627a7a72315820" <> "a265627a7a72315820" <>
<<_::binary-size(64)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0032" <> constructor_arguments -> <<_::binary-size(64)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0032" <> constructor_arguments ->
check_func_result = check_func.(constructor_arguments) extract_constructor_arguments_check_func(constructor_arguments, check_func)
if check_func_result do # Solidity >= 0.6.0 https://github.com/ethereum/solidity/blob/develop/Changelog.md#060-2019-12-17
check_func_result # https://github.com/ethereum/solidity/blob/26b700771e9cc9c956f0503a05de69a1be427963/docs/metadata.rst#encoding-of-the-metadata-hash-in-the-bytecode
else # IPFS is used instead of Swarm
extract_constructor_arguments(constructor_arguments, check_func) # The current version of the Solidity compiler usually adds the following to the end of the deployed bytecode:
end # 0xa2
# 0x64 'i' 'p' 'f' 's' 0x58 0x22 <34 bytes IPFS hash>
# 0x64 's' 'o' 'l' 'c' 0x43 <3 byte version encoding>
# 0x00 0x32
# Note: there is a bug in the docs. Instead of 0x32, 0x33 should be used.
# Fixing PR has been created https://github.com/ethereum/solidity/pull/8174
"a264697066735822" <>
<<_::binary-size(68)>> <> "64736f6c6343" <> <<_::binary-size(6)>> <> "0033" <> constructor_arguments ->
extract_constructor_arguments_check_func(constructor_arguments, check_func)
<<>> -> <<>> ->
check_func.("") check_func.("")
@ -74,6 +70,16 @@ defmodule Explorer.SmartContract.Verifier.ConstructorArguments do
end end
end end
defp extract_constructor_arguments_check_func(constructor_arguments, check_func) do
check_func_result = check_func.(constructor_arguments)
if check_func_result do
check_func_result
else
extract_constructor_arguments(constructor_arguments, check_func)
end
end
def find_constructor_arguments(address_hash, abi) do def find_constructor_arguments(address_hash, abi) do
creation_code = creation_code =
address_hash address_hash

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} }
} }

@ -8,12 +8,12 @@
"author": "POA Network", "author": "POA Network",
"license": "GPL-3.0", "license": "GPL-3.0",
"engines": { "engines": {
"node": "9.x", "node": "12.x",
"npm": "5.x" "npm": "6.x"
}, },
"scripts": {}, "scripts": {},
"dependencies": { "dependencies": {
"keccak": "^2.0.0", "keccak": "^2.0.0",
"solc": "^0.5.12" "solc": "^0.6.1"
} }
} }

@ -212,6 +212,7 @@ defmodule Explorer.SmartContract.VerifierTest do
params = %{ params = %{
"contract_source_code" => different_code, "contract_source_code" => different_code,
"compiler_version" => contract_code_info.version, "compiler_version" => contract_code_info.version,
"evm_version" => "istanbul",
"name" => contract_code_info.name, "name" => contract_code_info.name,
"optimization" => contract_code_info.optimized "optimization" => contract_code_info.optimized
} }

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