Victor Baranov
5 years ago
commit
06f917eacb
@ -0,0 +1,74 @@ |
|||||||
|
defmodule Explorer.Chain.Address.CoinBalanceDaily do |
||||||
|
@moduledoc """ |
||||||
|
Maximum `t:Explorer.Chain.Wei.t/0` `value` of `t:Explorer.Chain.Address.t/0` at the day. |
||||||
|
This table is used to display coinn balance history chart. |
||||||
|
""" |
||||||
|
|
||||||
|
use Explorer.Schema |
||||||
|
|
||||||
|
alias Explorer.Chain.{Address, Hash, Wei} |
||||||
|
alias Explorer.Chain.Address.CoinBalanceDaily |
||||||
|
|
||||||
|
@optional_fields ~w(value)a |
||||||
|
@required_fields ~w(address_hash day)a |
||||||
|
@allowed_fields @optional_fields ++ @required_fields |
||||||
|
|
||||||
|
@typedoc """ |
||||||
|
* `address` - the `t:Explorer.Chain.Address.t/0`. |
||||||
|
* `address_hash` - foreign key for `address`. |
||||||
|
* `day` - the `t:Date.t/0`. |
||||||
|
* `inserted_at` - When the balance was first inserted into the database. |
||||||
|
* `updated_at` - When the balance was last updated. |
||||||
|
* `value` - the max balance (`value`) of `address` during the `day`. |
||||||
|
""" |
||||||
|
@type t :: %__MODULE__{ |
||||||
|
address: %Ecto.Association.NotLoaded{} | Address.t(), |
||||||
|
address_hash: Hash.Address.t(), |
||||||
|
day: Date.t(), |
||||||
|
inserted_at: DateTime.t(), |
||||||
|
updated_at: DateTime.t(), |
||||||
|
value: Wei.t() | nil |
||||||
|
} |
||||||
|
|
||||||
|
@primary_key false |
||||||
|
schema "address_coin_balances_daily" do |
||||||
|
field(:day, :date) |
||||||
|
field(:value, Wei) |
||||||
|
|
||||||
|
timestamps() |
||||||
|
|
||||||
|
belongs_to(:address, Address, foreign_key: :address_hash, references: :hash, type: Hash.Address) |
||||||
|
end |
||||||
|
|
||||||
|
@doc """ |
||||||
|
Builds an `Ecto.Query` to fetch a series of balances by day for the given account. Each element in the series |
||||||
|
corresponds to the maximum balance in that day. Only the last `n` days of data are used. |
||||||
|
`n` is configurable via COIN_BALANCE_HISTORY_DAYS ENV var. |
||||||
|
""" |
||||||
|
def balances_by_day(address_hash) do |
||||||
|
{days_to_consider, _} = |
||||||
|
Application.get_env(:block_scout_web, BlockScoutWeb.Chain.Address.CoinBalance)[:coin_balance_history_days] |
||||||
|
|> Integer.parse() |
||||||
|
|
||||||
|
CoinBalanceDaily |
||||||
|
|> where([cbd], cbd.address_hash == ^address_hash) |
||||||
|
|> limit_time_interval(days_to_consider) |
||||||
|
|> select([cbd], %{date: cbd.day, value: cbd.value}) |
||||||
|
end |
||||||
|
|
||||||
|
def limit_time_interval(query, days_to_consider) do |
||||||
|
query |
||||||
|
|> where( |
||||||
|
[cbd], |
||||||
|
cbd.day >= fragment("date_trunc('day', now() - CAST(? AS INTERVAL))", ^%Postgrex.Interval{days: days_to_consider}) |
||||||
|
) |
||||||
|
end |
||||||
|
|
||||||
|
def changeset(%__MODULE__{} = balance, params) do |
||||||
|
balance |
||||||
|
|> cast(params, @allowed_fields) |
||||||
|
|> validate_required(@required_fields) |
||||||
|
|> foreign_key_constraint(:address_hash) |
||||||
|
|> unique_constraint(:day, name: :address_coin_balances_daily_address_hash_day_index) |
||||||
|
end |
||||||
|
end |
||||||
@ -1,42 +0,0 @@ |
|||||||
defmodule Explorer.Chain.Cache.PendingTransactions do |
|
||||||
@moduledoc """ |
|
||||||
Caches the latest pending transactions |
|
||||||
""" |
|
||||||
|
|
||||||
alias Explorer.Chain.Transaction |
|
||||||
|
|
||||||
use Explorer.Chain.OrderedCache, |
|
||||||
name: :pending_transactions, |
|
||||||
max_size: 51, |
|
||||||
preloads: [ |
|
||||||
:block, |
|
||||||
created_contract_address: :names, |
|
||||||
from_address: :names, |
|
||||||
to_address: :names, |
|
||||||
token_transfers: :token, |
|
||||||
token_transfers: :from_address, |
|
||||||
token_transfers: :to_address |
|
||||||
], |
|
||||||
ttl_check_interval: Application.get_env(:explorer, __MODULE__)[:ttl_check_interval], |
|
||||||
global_ttl: Application.get_env(:explorer, __MODULE__)[:global_ttl] |
|
||||||
|
|
||||||
@type element :: Transaction.t() |
|
||||||
|
|
||||||
@type id :: {non_neg_integer(), non_neg_integer()} |
|
||||||
|
|
||||||
def element_to_id(%Transaction{inserted_at: inserted_at, hash: hash}) do |
|
||||||
{inserted_at, hash} |
|
||||||
end |
|
||||||
|
|
||||||
def update_pending(transactions) when is_nil(transactions), do: :ok |
|
||||||
|
|
||||||
def update_pending(transactions) do |
|
||||||
transactions |
|
||||||
|> Enum.filter(&pending?(&1)) |
|
||||||
|> update() |
|
||||||
end |
|
||||||
|
|
||||||
defp pending?(transaction) do |
|
||||||
is_nil(transaction.block_hash) and (is_nil(transaction.error) or transaction.error != "dropped/replaced") |
|
||||||
end |
|
||||||
end |
|
||||||
@ -0,0 +1,139 @@ |
|||||||
|
defmodule Explorer.Chain.Import.Runner.Address.CoinBalancesDaily do |
||||||
|
@moduledoc """ |
||||||
|
Bulk imports `t:Explorer.Chain.Address.CoinBalancesDaily.t/0`. |
||||||
|
""" |
||||||
|
|
||||||
|
require Ecto.Query |
||||||
|
|
||||||
|
import Ecto.Query, only: [from: 2] |
||||||
|
|
||||||
|
alias Ecto.{Changeset, Multi, Repo} |
||||||
|
alias Explorer.Chain.Address.CoinBalanceDaily |
||||||
|
alias Explorer.Chain.{Hash, Import, Wei} |
||||||
|
|
||||||
|
@behaviour Import.Runner |
||||||
|
|
||||||
|
# milliseconds |
||||||
|
@timeout 60_000 |
||||||
|
|
||||||
|
@type imported :: [ |
||||||
|
%{required(:address_hash) => Hash.Address.t(), required(:day) => Date.t()} |
||||||
|
] |
||||||
|
|
||||||
|
@impl Import.Runner |
||||||
|
def ecto_schema_module, do: CoinBalanceDaily |
||||||
|
|
||||||
|
@impl Import.Runner |
||||||
|
def option_key, do: :address_coin_balances_daily |
||||||
|
|
||||||
|
@impl Import.Runner |
||||||
|
def imported_table_row do |
||||||
|
%{ |
||||||
|
value_type: "[%{address_hash: Explorer.Chain.Hash.t(), day: Date.t()}]", |
||||||
|
value_description: "List of maps of the `t:#{ecto_schema_module()}.t/0` `address_hash` and `day`" |
||||||
|
} |
||||||
|
end |
||||||
|
|
||||||
|
@impl Import.Runner |
||||||
|
def run(multi, changes_list, %{timestamps: timestamps} = options) do |
||||||
|
insert_options = |
||||||
|
options |
||||||
|
|> Map.get(option_key(), %{}) |
||||||
|
|> Map.take(~w(on_conflict timeout)a) |
||||||
|
|> Map.put_new(:timeout, @timeout) |
||||||
|
|> Map.put(:timestamps, timestamps) |
||||||
|
|
||||||
|
Multi.run(multi, :address_coin_balances_daily, fn repo, _ -> |
||||||
|
insert(repo, changes_list, insert_options) |
||||||
|
end) |
||||||
|
end |
||||||
|
|
||||||
|
@impl Import.Runner |
||||||
|
def timeout, do: @timeout |
||||||
|
|
||||||
|
@spec insert( |
||||||
|
Repo.t(), |
||||||
|
[ |
||||||
|
%{ |
||||||
|
required(:address_hash) => Hash.Address.t(), |
||||||
|
required(:day) => Date.t(), |
||||||
|
required(:value) => Wei.t() |
||||||
|
} |
||||||
|
], |
||||||
|
%{ |
||||||
|
optional(:on_conflict) => Import.Runner.on_conflict(), |
||||||
|
required(:timeout) => timeout, |
||||||
|
required(:timestamps) => Import.timestamps() |
||||||
|
} |
||||||
|
) :: |
||||||
|
{:ok, [%{required(:address_hash) => Hash.Address.t(), required(:day) => Date.t()}]} |
||||||
|
| {:error, [Changeset.t()]} |
||||||
|
defp insert(repo, changes_list, %{timeout: timeout, timestamps: timestamps} = options) when is_list(changes_list) do |
||||||
|
on_conflict = Map.get_lazy(options, :on_conflict, &default_on_conflict/0) |
||||||
|
|
||||||
|
combined_changes_list = |
||||||
|
changes_list |
||||||
|
|> Enum.reduce([], fn change, acc -> |
||||||
|
if Enum.empty?(acc) do |
||||||
|
[change | acc] |
||||||
|
else |
||||||
|
target_item = |
||||||
|
Enum.find(acc, fn item -> |
||||||
|
item.day == change.day && item.address_hash == change.address_hash |
||||||
|
end) |
||||||
|
|
||||||
|
if target_item do |
||||||
|
if change.value > target_item.value do |
||||||
|
acc_updated = List.delete(acc, target_item) |
||||||
|
[change | acc_updated] |
||||||
|
else |
||||||
|
acc |
||||||
|
end |
||||||
|
else |
||||||
|
[change | acc] |
||||||
|
end |
||||||
|
end |
||||||
|
end) |
||||||
|
|
||||||
|
# Enforce CoinBalanceDaily ShareLocks order (see docs: sharelocks.md) |
||||||
|
ordered_changes_list = Enum.sort_by(combined_changes_list, &{&1.address_hash, &1.day}) |
||||||
|
|
||||||
|
{:ok, _} = |
||||||
|
Import.insert_changes_list( |
||||||
|
repo, |
||||||
|
ordered_changes_list, |
||||||
|
conflict_target: [:address_hash, :day], |
||||||
|
on_conflict: on_conflict, |
||||||
|
for: CoinBalanceDaily, |
||||||
|
timeout: timeout, |
||||||
|
timestamps: timestamps |
||||||
|
) |
||||||
|
|
||||||
|
{:ok, Enum.map(ordered_changes_list, &Map.take(&1, ~w(address_hash day)a))} |
||||||
|
end |
||||||
|
|
||||||
|
def default_on_conflict do |
||||||
|
from( |
||||||
|
balance in CoinBalanceDaily, |
||||||
|
update: [ |
||||||
|
set: [ |
||||||
|
value: |
||||||
|
fragment( |
||||||
|
""" |
||||||
|
CASE WHEN EXCLUDED.value IS NOT NULL AND EXCLUDED.value > ? THEN |
||||||
|
EXCLUDED.value |
||||||
|
ELSE |
||||||
|
? |
||||||
|
END |
||||||
|
""", |
||||||
|
balance.value, |
||||||
|
balance.value |
||||||
|
), |
||||||
|
inserted_at: fragment("LEAST(EXCLUDED.inserted_at, ?)", balance.inserted_at), |
||||||
|
updated_at: fragment("GREATEST(EXCLUDED.updated_at, ?)", balance.updated_at) |
||||||
|
] |
||||||
|
], |
||||||
|
where: fragment("EXCLUDED.value IS NOT NULL") |
||||||
|
) |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,30 @@ |
|||||||
|
defmodule Explorer.Counters.LastFetchedCounter do |
||||||
|
@moduledoc """ |
||||||
|
Stores last fetched counters. |
||||||
|
""" |
||||||
|
|
||||||
|
alias Explorer.Counters.LastFetchedCounter |
||||||
|
use Explorer.Schema |
||||||
|
|
||||||
|
import Ecto.Changeset |
||||||
|
|
||||||
|
@type t :: %LastFetchedCounter{ |
||||||
|
counter_type: String.t(), |
||||||
|
value: Decimal.t() |
||||||
|
} |
||||||
|
|
||||||
|
@primary_key false |
||||||
|
schema "last_fetched_counters" do |
||||||
|
field(:counter_type, :string) |
||||||
|
field(:value, :decimal) |
||||||
|
|
||||||
|
timestamps() |
||||||
|
end |
||||||
|
|
||||||
|
@doc false |
||||||
|
def changeset(struct, params \\ %{}) do |
||||||
|
struct |
||||||
|
|> cast(params, [:counter_type, :value]) |
||||||
|
|> validate_required([:counter_type]) |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,7 @@ |
|||||||
|
defmodule Explorer.Repo.Migrations.CreateIndexBlocksMinerHashNumberIndex do |
||||||
|
use Ecto.Migration |
||||||
|
|
||||||
|
def change do |
||||||
|
create_if_not_exists(index(:blocks, [:miner_hash, :number])) |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,7 @@ |
|||||||
|
defmodule Explorer.Repo.Migrations.CreateTokenTransfersTokenContractAddressHashTokenIdBlockNumberIndex do |
||||||
|
use Ecto.Migration |
||||||
|
|
||||||
|
def change do |
||||||
|
create_if_not_exists(index(:token_transfers, [:token_contract_address_hash, "token_id DESC", "block_number DESC"])) |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,17 @@ |
|||||||
|
defmodule Explorer.Repo.Migrations.AddressCoinBalancesDaily do |
||||||
|
use Ecto.Migration |
||||||
|
|
||||||
|
def change do |
||||||
|
create table(:address_coin_balances_daily, primary_key: false) do |
||||||
|
add(:address_hash, references(:addresses, column: :hash, type: :bytea), null: false) |
||||||
|
add(:day, :date, null: false) |
||||||
|
|
||||||
|
# null until fetched |
||||||
|
add(:value, :numeric, precision: 100, default: fragment("NULL"), null: true) |
||||||
|
|
||||||
|
timestamps(null: false, type: :utc_datetime_usec) |
||||||
|
end |
||||||
|
|
||||||
|
create(unique_index(:address_coin_balances_daily, [:address_hash, :day])) |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,12 @@ |
|||||||
|
defmodule Explorer.Repo.Migrations.AddCountersTable do |
||||||
|
use Ecto.Migration |
||||||
|
|
||||||
|
def change do |
||||||
|
create table(:last_fetched_counters, primary_key: false) do |
||||||
|
add(:counter_type, :string, primary_key: true, null: false) |
||||||
|
add(:value, :numeric, precision: 100, null: true) |
||||||
|
|
||||||
|
timestamps(null: false, type: :utc_datetime_usec) |
||||||
|
end |
||||||
|
end |
||||||
|
end |
||||||
@ -0,0 +1,9 @@ |
|||||||
|
defmodule Explorer.Repo.Migrations.AlterTransactionsAddErrorReason do |
||||||
|
use Ecto.Migration |
||||||
|
|
||||||
|
def change do |
||||||
|
alter table(:transactions) do |
||||||
|
add(:revert_reason, :text) |
||||||
|
end |
||||||
|
end |
||||||
|
end |
||||||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
@ -0,0 +1,18 @@ |
|||||||
|
pragma solidity 0.4.26; |
||||||
|
|
||||||
|
contract Factory { |
||||||
|
address[] newContracts; |
||||||
|
|
||||||
|
function createContract (bytes32 name) public { |
||||||
|
address newContract = new ContractFromFactory(name); |
||||||
|
newContracts.push(newContract); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
contract ContractFromFactory { |
||||||
|
bytes32 public Name; |
||||||
|
|
||||||
|
constructor(bytes32 name) public { |
||||||
|
Name = name; |
||||||
|
} |
||||||
|
} |
||||||
@ -0,0 +1,25 @@ |
|||||||
|
pragma solidity 0.5.11; |
||||||
|
|
||||||
|
library BadSafeMath { |
||||||
|
function add(uint256 a, uint256 b) public pure returns (uint256) { |
||||||
|
uint256 c = a + 2 * b; |
||||||
|
require(c >= a, "SafeMath: addition overflow"); |
||||||
|
return c; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
contract SimpleStorage { |
||||||
|
uint256 storedData = 10; |
||||||
|
using BadSafeMath for uint256; |
||||||
|
function increment(uint256 x) public { |
||||||
|
storedData = storedData.add(x); |
||||||
|
} |
||||||
|
|
||||||
|
function set(uint256 x) public { |
||||||
|
storedData = x; |
||||||
|
} |
||||||
|
|
||||||
|
function get() public view returns (uint256) { |
||||||
|
return storedData; |
||||||
|
} |
||||||
|
} |
||||||
File diff suppressed because one or more lines are too long
@ -0,0 +1,412 @@ |
|||||||
|
/** *Submitted for verification at Etherscan.io on 2019-08-16 |
||||||
|
*/ |
||||||
|
|
||||||
|
pragma solidity ^0.5.0; |
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// 'FIXED' 'Example Fixed Supply Token' token contract |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// Symbol : FIXED |
||||||
|
|
||||||
|
// Name : Example Fixed Supply Token |
||||||
|
|
||||||
|
// Total supply: 1,000,000.000000000000000000 |
||||||
|
|
||||||
|
// Decimals : 18 |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// Enjoy. |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// (c) BokkyPooBah / Bok Consulting Pty Ltd 2018. The MIT Licence. |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// Safe maths |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
library SafeMath { |
||||||
|
|
||||||
|
function add(uint a, uint b) internal pure returns (uint c) { |
||||||
|
|
||||||
|
c = a + b; |
||||||
|
|
||||||
|
require(c >= a); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
function sub(uint a, uint b) internal pure returns (uint c) { |
||||||
|
|
||||||
|
require(b <= a); |
||||||
|
|
||||||
|
c = a - b; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
function mul(uint a, uint b) internal pure returns (uint c) { |
||||||
|
|
||||||
|
c = a * b; |
||||||
|
|
||||||
|
require(a == 0 || c / a == b); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
function div(uint a, uint b) internal pure returns (uint c) { |
||||||
|
|
||||||
|
require(b > 0); |
||||||
|
|
||||||
|
c = a / b; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// ERC Token Standard #20 Interface |
||||||
|
|
||||||
|
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
contract ERC20Interface { |
||||||
|
|
||||||
|
function totalSupply() public view returns (uint); |
||||||
|
|
||||||
|
function balanceOf(address tokenOwner) public view returns (uint balance); |
||||||
|
|
||||||
|
function allowance(address tokenOwner, address spender) public view returns (uint remaining); |
||||||
|
|
||||||
|
function transfer(address to, uint tokens) public returns (bool success); |
||||||
|
|
||||||
|
function approve(address spender, uint tokens) public returns (bool success); |
||||||
|
|
||||||
|
function transferFrom(address from, address to, uint tokens) public returns (bool success); |
||||||
|
|
||||||
|
|
||||||
|
event Transfer(address indexed from, address indexed to, uint tokens); |
||||||
|
|
||||||
|
event Approval(address indexed tokenOwner, address indexed spender, uint tokens); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// Contract function to receive approval and execute function in one call |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// Borrowed from MiniMeToken |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
contract ApproveAndCallFallBack { |
||||||
|
|
||||||
|
function receiveApproval(address from, uint256 tokens, address token, bytes memory data) public; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// Owned contract |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
contract Owned { |
||||||
|
|
||||||
|
address public owner; |
||||||
|
|
||||||
|
address public newOwner; |
||||||
|
|
||||||
|
|
||||||
|
event OwnershipTransferred(address indexed _from, address indexed _to); |
||||||
|
|
||||||
|
|
||||||
|
constructor() public { |
||||||
|
|
||||||
|
owner = msg.sender; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
modifier onlyOwner { |
||||||
|
|
||||||
|
require(msg.sender == owner); |
||||||
|
|
||||||
|
_; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
function transferOwnership(address _newOwner) public onlyOwner { |
||||||
|
|
||||||
|
newOwner = _newOwner; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
function acceptOwnership() public { |
||||||
|
|
||||||
|
require(msg.sender == newOwner); |
||||||
|
|
||||||
|
emit OwnershipTransferred(owner, newOwner); |
||||||
|
|
||||||
|
owner = newOwner; |
||||||
|
|
||||||
|
newOwner = address(0); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
// ERC20 Token, with the addition of symbol, name and decimals and a |
||||||
|
|
||||||
|
// fixed supply |
||||||
|
|
||||||
|
// ---------------------------------------------------------------------------- |
||||||
|
|
||||||
|
contract FixedSupplyToken is ERC20Interface, Owned { |
||||||
|
|
||||||
|
using SafeMath for uint; |
||||||
|
|
||||||
|
|
||||||
|
string public symbol; |
||||||
|
|
||||||
|
string public name; |
||||||
|
|
||||||
|
uint8 public decimals; |
||||||
|
|
||||||
|
uint _totalSupply; |
||||||
|
|
||||||
|
|
||||||
|
mapping(address => uint) balances; |
||||||
|
|
||||||
|
mapping(address => mapping(address => uint)) allowed; |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Constructor |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
constructor() public { |
||||||
|
|
||||||
|
symbol = "TEST"; |
||||||
|
|
||||||
|
name = "Test Token"; |
||||||
|
|
||||||
|
decimals = 18; |
||||||
|
|
||||||
|
_totalSupply = 1000000 * 10**uint(decimals); |
||||||
|
|
||||||
|
balances[owner] = _totalSupply; |
||||||
|
|
||||||
|
emit Transfer(address(0), owner, _totalSupply); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Total supply |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function totalSupply() public view returns (uint) { |
||||||
|
|
||||||
|
return _totalSupply.sub(balances[address(0)]); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Get the token balance for account `tokenOwner` |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function balanceOf(address tokenOwner) public view returns (uint balance) { |
||||||
|
|
||||||
|
return balances[tokenOwner]; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Transfer the balance from token owner's account to `to` account |
||||||
|
|
||||||
|
// - Owner's account must have sufficient balance to transfer |
||||||
|
|
||||||
|
// - 0 value transfers are allowed |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function transfer(address to, uint tokens) public returns (bool success) { |
||||||
|
|
||||||
|
balances[msg.sender] = balances[msg.sender].sub(tokens); |
||||||
|
|
||||||
|
balances[to] = balances[to].add(tokens); |
||||||
|
|
||||||
|
emit Transfer(msg.sender, to, tokens); |
||||||
|
|
||||||
|
return true; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Token owner can approve for `spender` to transferFrom(...) `tokens` |
||||||
|
|
||||||
|
// from the token owner's account |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md |
||||||
|
|
||||||
|
// recommends that there are no checks for the approval double-spend attack |
||||||
|
|
||||||
|
// as this should be implemented in user interfaces |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function approve(address spender, uint tokens) public returns (bool success) { |
||||||
|
|
||||||
|
allowed[msg.sender][spender] = tokens; |
||||||
|
|
||||||
|
emit Approval(msg.sender, spender, tokens); |
||||||
|
|
||||||
|
return true; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Transfer `tokens` from the `from` account to the `to` account |
||||||
|
|
||||||
|
// |
||||||
|
|
||||||
|
// The calling account must already have sufficient tokens approve(...)-d |
||||||
|
|
||||||
|
// for spending from the `from` account and |
||||||
|
|
||||||
|
// - From account must have sufficient balance to transfer |
||||||
|
|
||||||
|
// - Spender must have sufficient allowance to transfer |
||||||
|
|
||||||
|
// - 0 value transfers are allowed |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function transferFrom(address from, address to, uint tokens) public returns (bool success) { |
||||||
|
|
||||||
|
balances[from] = balances[from].sub(tokens); |
||||||
|
|
||||||
|
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens); |
||||||
|
|
||||||
|
balances[to] = balances[to].add(tokens); |
||||||
|
|
||||||
|
emit Transfer(from, to, tokens); |
||||||
|
|
||||||
|
return true; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Returns the amount of tokens approved by the owner that can be |
||||||
|
|
||||||
|
// transferred to the spender's account |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function allowance(address tokenOwner, address spender) public view returns (uint remaining) { |
||||||
|
|
||||||
|
return allowed[tokenOwner][spender]; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Token owner can approve for `spender` to transferFrom(...) `tokens` |
||||||
|
|
||||||
|
// from the token owner's account. The `spender` contract function |
||||||
|
|
||||||
|
// `receiveApproval(...)` is then executed |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function approveAndCall(address spender, uint tokens, bytes memory data) public returns (bool success) { |
||||||
|
|
||||||
|
allowed[msg.sender][spender] = tokens; |
||||||
|
|
||||||
|
emit Approval(msg.sender, spender, tokens); |
||||||
|
|
||||||
|
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, address(this), data); |
||||||
|
|
||||||
|
return true; |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Don't accept ETH |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function () external payable { |
||||||
|
|
||||||
|
revert(); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
// Owner can transfer out any accidentally sent ERC20 tokens |
||||||
|
|
||||||
|
// ------------------------------------------------------------------------ |
||||||
|
|
||||||
|
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) { |
||||||
|
|
||||||
|
return ERC20Interface(tokenAddress).transfer(owner, tokens); |
||||||
|
|
||||||
|
} |
||||||
|
|
||||||
|
} |
||||||
@ -0,0 +1,155 @@ |
|||||||
|
defmodule Indexer.Transform.AddressCoinBalancesDaily do |
||||||
|
@moduledoc """ |
||||||
|
Extracts `Explorer.Chain.Address.CoinBalanceDaily` params from other schema's params. |
||||||
|
""" |
||||||
|
|
||||||
|
alias EthereumJSONRPC.Blocks |
||||||
|
|
||||||
|
def params_set(%{} = import_options) do |
||||||
|
Enum.reduce(import_options, MapSet.new(), &reducer/2) |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:beneficiary_params, beneficiary_params}, acc) when is_list(beneficiary_params) do |
||||||
|
json_rpc_named_arguments = Application.get_env(:explorer, :json_rpc_named_arguments) |
||||||
|
|
||||||
|
block_numbers = |
||||||
|
beneficiary_params |
||||||
|
|> Enum.map(&Map.get(&1, :block_number)) |
||||||
|
|> Enum.sort() |
||||||
|
|> Enum.dedup() |
||||||
|
|
||||||
|
block_timestamp_map = |
||||||
|
Enum.reduce(block_numbers, %{}, fn block_number, map -> |
||||||
|
{:ok, %Blocks{blocks_params: [%{timestamp: timestamp}]}} = |
||||||
|
EthereumJSONRPC.fetch_blocks_by_range(block_number..block_number, json_rpc_named_arguments) |
||||||
|
|
||||||
|
day = DateTime.to_date(timestamp) |
||||||
|
Map.put(map, "#{block_number}", day) |
||||||
|
end) |
||||||
|
|
||||||
|
Enum.into(beneficiary_params, acc, fn %{ |
||||||
|
address_hash: address_hash, |
||||||
|
block_number: block_number |
||||||
|
} |
||||||
|
when is_binary(address_hash) and is_integer(block_number) -> |
||||||
|
day = Map.get(block_timestamp_map, "#{block_number}") |
||||||
|
|
||||||
|
%{address_hash: address_hash, day: day} |
||||||
|
end) |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:blocks_params, blocks_params}, acc) when is_list(blocks_params) do |
||||||
|
# a block MUST have a miner_hash and number |
||||||
|
Enum.into(blocks_params, acc, fn %{miner_hash: address_hash, number: block_number, timestamp: block_timestamp} |
||||||
|
when is_binary(address_hash) and is_integer(block_number) -> |
||||||
|
day = DateTime.to_date(block_timestamp) |
||||||
|
%{address_hash: address_hash, day: day} |
||||||
|
end) |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:internal_transactions_params, internal_transactions_params}, initial) |
||||||
|
when is_list(internal_transactions_params) do |
||||||
|
Enum.reduce(internal_transactions_params, initial, &internal_transactions_params_reducer/2) |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:logs_params, logs_params}, acc) when is_list(logs_params) do |
||||||
|
# a log MUST have address_hash and block_number |
||||||
|
json_rpc_named_arguments = Application.get_env(:explorer, :json_rpc_named_arguments) |
||||||
|
|
||||||
|
block_numbers = |
||||||
|
logs_params |
||||||
|
|> Enum.map(&Map.get(&1, :block_number)) |
||||||
|
|> Enum.sort() |
||||||
|
|> Enum.dedup() |
||||||
|
|
||||||
|
block_timestamp_map = |
||||||
|
Enum.reduce(block_numbers, %{}, fn block_number, map -> |
||||||
|
{:ok, %Blocks{blocks_params: [%{timestamp: timestamp}]}} = |
||||||
|
EthereumJSONRPC.fetch_blocks_by_range(block_number..block_number, json_rpc_named_arguments) |
||||||
|
|
||||||
|
day = DateTime.to_date(timestamp) |
||||||
|
Map.put(map, "#{block_number}", day) |
||||||
|
end) |
||||||
|
|
||||||
|
logs_params |
||||||
|
|> Enum.into(acc, fn |
||||||
|
%{address_hash: address_hash, block_number: block_number} |
||||||
|
when is_binary(address_hash) and is_integer(block_number) -> |
||||||
|
day = Map.get(block_timestamp_map, "#{block_number}") |
||||||
|
%{address_hash: address_hash, day: day} |
||||||
|
|
||||||
|
%{type: "pending"} -> |
||||||
|
nil |
||||||
|
end) |
||||||
|
|> Enum.reject(fn val -> is_nil(val) end) |
||||||
|
|> MapSet.new() |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:transactions_params, transactions_params}, initial) when is_list(transactions_params) do |
||||||
|
Enum.reduce(transactions_params, initial, &transactions_params_reducer/2) |
||||||
|
end |
||||||
|
|
||||||
|
defp reducer({:block_second_degree_relations_params, block_second_degree_relations_params}, initial) |
||||||
|
when is_list(block_second_degree_relations_params), |
||||||
|
do: initial |
||||||
|
|
||||||
|
defp internal_transactions_params_reducer( |
||||||
|
%{block_number: block_number} = internal_transaction_params, |
||||||
|
acc |
||||||
|
) |
||||||
|
when is_integer(block_number) do |
||||||
|
case internal_transaction_params do |
||||||
|
%{type: "call"} -> |
||||||
|
acc |
||||||
|
|
||||||
|
%{type: "create", error: _} -> |
||||||
|
acc |
||||||
|
|
||||||
|
%{type: "create", created_contract_address_hash: address_hash} when is_binary(address_hash) -> |
||||||
|
json_rpc_named_arguments = Application.get_env(:explorer, :json_rpc_named_arguments) |
||||||
|
|
||||||
|
{:ok, %Blocks{blocks_params: [%{timestamp: block_timestamp}]}} = |
||||||
|
EthereumJSONRPC.fetch_blocks_by_range(block_number..block_number, json_rpc_named_arguments) |
||||||
|
|
||||||
|
day = DateTime.to_date(block_timestamp) |
||||||
|
MapSet.put(acc, %{address_hash: address_hash, day: day}) |
||||||
|
|
||||||
|
%{type: "selfdestruct", from_address_hash: from_address_hash, to_address_hash: to_address_hash} |
||||||
|
when is_binary(from_address_hash) and is_binary(to_address_hash) -> |
||||||
|
json_rpc_named_arguments = Application.get_env(:explorer, :json_rpc_named_arguments) |
||||||
|
|
||||||
|
{:ok, %Blocks{blocks_params: [%{timestamp: block_timestamp}]}} = |
||||||
|
EthereumJSONRPC.fetch_blocks_by_range(block_number..block_number, json_rpc_named_arguments) |
||||||
|
|
||||||
|
day = DateTime.to_date(block_timestamp) |
||||||
|
|
||||||
|
acc |
||||||
|
|> MapSet.put(%{address_hash: from_address_hash, day: day}) |
||||||
|
|> MapSet.put(%{address_hash: to_address_hash, day: day}) |
||||||
|
end |
||||||
|
end |
||||||
|
|
||||||
|
defp transactions_params_reducer( |
||||||
|
%{block_number: block_number, from_address_hash: from_address_hash} = transaction_params, |
||||||
|
initial |
||||||
|
) |
||||||
|
when is_binary(from_address_hash) do |
||||||
|
# a transaction MUST have a `from_address_hash` |
||||||
|
json_rpc_named_arguments = Application.get_env(:explorer, :json_rpc_named_arguments) |
||||||
|
|
||||||
|
{:ok, %Blocks{blocks_params: [%{timestamp: block_timestamp}]}} = |
||||||
|
EthereumJSONRPC.fetch_blocks_by_range(block_number..block_number, json_rpc_named_arguments) |
||||||
|
|
||||||
|
day = DateTime.to_date(block_timestamp) |
||||||
|
acc = MapSet.put(initial, %{address_hash: from_address_hash, day: day}) |
||||||
|
|
||||||
|
# `to_address_hash` is optional |
||||||
|
case transaction_params do |
||||||
|
%{to_address_hash: to_address_hash} when is_binary(to_address_hash) -> |
||||||
|
MapSet.put(acc, %{address_hash: to_address_hash, day: day}) |
||||||
|
|
||||||
|
_ -> |
||||||
|
acc |
||||||
|
end |
||||||
|
end |
||||||
|
end |
||||||
Loading…
Reference in new issue