|
|
|
|
@ -21,8 +21,26 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
alias Explorer.SmartContract.Reader |
|
|
|
|
alias Timex.Duration |
|
|
|
|
|
|
|
|
|
@burn_address_hash_str "0x0000000000000000000000000000000000000000" |
|
|
|
|
@burn_address_hash_str_32 "0x0000000000000000000000000000000000000000000000000000000000000000" |
|
|
|
|
# supported signatures: |
|
|
|
|
# 5c60da1b = keccak256(implementation()) |
|
|
|
|
@implementation_signature "5c60da1b" |
|
|
|
|
# aaf10f42 = keccak256(getImplementation()) |
|
|
|
|
@get_implementation_signature "aaf10f42" |
|
|
|
|
|
|
|
|
|
@burn_address_hash_string "0x0000000000000000000000000000000000000000" |
|
|
|
|
@burn_address_hash_string_32 "0x0000000000000000000000000000000000000000000000000000000000000000" |
|
|
|
|
|
|
|
|
|
defguard is_burn_signature(term) when term in ["0x", "0x0", @burn_address_hash_string_32] |
|
|
|
|
defguard is_burn_signature_or_nil(term) when is_burn_signature(term) or term == nil |
|
|
|
|
defguard is_burn_signature_extended(term) when is_burn_signature(term) or term == @burn_address_hash_string |
|
|
|
|
|
|
|
|
|
@doc """ |
|
|
|
|
Returns burn address hash |
|
|
|
|
""" |
|
|
|
|
@spec burn_address_hash_string() :: String.t() |
|
|
|
|
def burn_address_hash_string do |
|
|
|
|
@burn_address_hash_string |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
@typep api? :: {:api?, true | false} |
|
|
|
|
|
|
|
|
|
@ -699,10 +717,10 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
implementation_address = |
|
|
|
|
cond do |
|
|
|
|
implementation_method_abi -> |
|
|
|
|
get_implementation_address_hash_basic("5c60da1b", proxy_address_hash, abi) |
|
|
|
|
get_implementation_address_hash_basic(@implementation_signature, proxy_address_hash, abi) |
|
|
|
|
|
|
|
|
|
get_implementation_method_abi -> |
|
|
|
|
get_implementation_address_hash_basic("aaf10f42", proxy_address_hash, abi) |
|
|
|
|
get_implementation_address_hash_basic(@get_implementation_signature, proxy_address_hash, abi) |
|
|
|
|
|
|
|
|
|
master_copy_method_abi -> |
|
|
|
|
get_implementation_address_hash_from_master_copy_pattern(proxy_address_hash) |
|
|
|
|
@ -732,7 +750,7 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
json_rpc_named_arguments |
|
|
|
|
) do |
|
|
|
|
{:ok, empty_address} |
|
|
|
|
when empty_address in ["0x", "0x0", @burn_address_hash_str_32, nil] -> |
|
|
|
|
when is_burn_signature_or_nil(empty_address) -> |
|
|
|
|
fetch_beacon_proxy_implementation(proxy_address_hash, json_rpc_named_arguments) |
|
|
|
|
|
|
|
|
|
{:ok, implementation_logic_address} -> |
|
|
|
|
@ -768,13 +786,13 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
json_rpc_named_arguments |
|
|
|
|
) do |
|
|
|
|
{:ok, empty_address} |
|
|
|
|
when empty_address in ["0x", "0x0", @burn_address_hash_str_32, nil] -> |
|
|
|
|
when is_burn_signature_or_nil(empty_address) -> |
|
|
|
|
fetch_openzeppelin_proxy_implementation(proxy_address_hash, json_rpc_named_arguments) |
|
|
|
|
|
|
|
|
|
{:ok, beacon_contract_address} -> |
|
|
|
|
case beacon_contract_address |
|
|
|
|
|> abi_decode_address_output() |
|
|
|
|
|> get_implementation_address_hash_basic("5c60da1b", implementation_method_abi) do |
|
|
|
|
|> get_implementation_address_hash_basic(@implementation_signature, implementation_method_abi) do |
|
|
|
|
<<implementation_address::binary-size(42)>> -> |
|
|
|
|
{:ok, implementation_address} |
|
|
|
|
|
|
|
|
|
@ -799,7 +817,7 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
json_rpc_named_arguments |
|
|
|
|
) do |
|
|
|
|
{:ok, empty_address} |
|
|
|
|
when empty_address in ["0x", "0x0", @burn_address_hash_str_32] -> |
|
|
|
|
when is_burn_signature(empty_address) -> |
|
|
|
|
{:ok, "0x"} |
|
|
|
|
|
|
|
|
|
{:ok, logic_contract_address} -> |
|
|
|
|
@ -811,9 +829,6 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
end |
|
|
|
|
|
|
|
|
|
defp get_implementation_address_hash_basic(signature, proxy_address_hash, abi) do |
|
|
|
|
# supported signatures: |
|
|
|
|
# 5c60da1b = keccak256(implementation()) |
|
|
|
|
# aaf10f42 = keccak256(getImplementation()) |
|
|
|
|
implementation_address = |
|
|
|
|
case Reader.query_contract( |
|
|
|
|
proxy_address_hash, |
|
|
|
|
@ -843,7 +858,7 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
json_rpc_named_arguments |
|
|
|
|
) do |
|
|
|
|
{:ok, empty_address} |
|
|
|
|
when empty_address in ["0x", "0x0", @burn_address_hash_str_32] -> |
|
|
|
|
when is_burn_signature(empty_address) -> |
|
|
|
|
{:ok, "0x"} |
|
|
|
|
|
|
|
|
|
{:ok, logic_contract_address} -> |
|
|
|
|
@ -859,12 +874,7 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
defp save_implementation_data(nil, _, _, _), do: {nil, nil} |
|
|
|
|
|
|
|
|
|
defp save_implementation_data(empty_address_hash_string, proxy_address_hash, metadata_from_verified_twin, options) |
|
|
|
|
when empty_address_hash_string in [ |
|
|
|
|
"0x", |
|
|
|
|
"0x0", |
|
|
|
|
@burn_address_hash_str_32, |
|
|
|
|
@burn_address_hash_str |
|
|
|
|
] do |
|
|
|
|
when is_burn_signature_extended(empty_address_hash_string) do |
|
|
|
|
if is_nil(metadata_from_verified_twin) or !metadata_from_verified_twin do |
|
|
|
|
proxy_address_hash |
|
|
|
|
|> Chain.address_hash_to_smart_contract_without_twin(options) |
|
|
|
|
@ -932,7 +942,7 @@ defmodule Explorer.Chain.SmartContract do |
|
|
|
|
|
|
|
|
|
defp abi_decode_address_output(nil), do: nil |
|
|
|
|
|
|
|
|
|
defp abi_decode_address_output("0x"), do: @burn_address_hash_str |
|
|
|
|
defp abi_decode_address_output("0x"), do: burn_address_hash_string() |
|
|
|
|
|
|
|
|
|
defp abi_decode_address_output(address) when is_binary(address) do |
|
|
|
|
if String.length(address) > 42 do |
|
|
|
|
|
Victor Baranov
1 year ago
committed by
GitHub