Amanda Sposito
6 years ago
parent
7f2efcfe34
commit
52845654df
@ -0,0 +1,67 @@ |
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defmodule BlockScoutWeb.SmartContractController do |
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use BlockScoutWeb, :controller |
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alias Explorer.Chain |
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alias Explorer.SmartContract.Reader |
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def index(conn, %{"hash" => address_hash_string}) do |
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with true <- ajax?(conn), |
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{:ok, address_hash} <- Chain.string_to_address_hash(address_hash_string), |
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{:ok, address} <- Chain.find_contract_address(address_hash) do |
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read_only_functions = Reader.read_only_functions(address_hash) |
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conn |
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|> put_status(200) |
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|> put_layout(false) |
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|> render( |
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"_functions.html", |
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read_only_functions: read_only_functions, |
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address: address |
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) |
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else |
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:error -> |
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unprocessable_entity(conn) |
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{:error, :not_found} -> |
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not_found(conn) |
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_ -> |
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not_found(conn) |
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end |
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end |
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def show(conn, params) do |
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with true <- ajax?(conn), |
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{:ok, address_hash} <- Chain.string_to_address_hash(params["id"]), |
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outputs = |
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Reader.query_function( |
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address_hash, |
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%{name: params["function_name"], args: params["args"]} |
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) do |
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conn |
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|> put_status(200) |
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|> put_layout(false) |
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|> render( |
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"_function_response.html", |
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function_name: params["function_name"], |
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outputs: outputs |
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) |
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else |
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:error -> |
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unprocessable_entity(conn) |
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{:error, :not_found} -> |
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not_found(conn) |
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_ -> |
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not_found(conn) |
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end |
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end |
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defp ajax?(conn) do |
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case get_req_header(conn, "x-requested-with") do |
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[value] -> value in ["XMLHttpRequest", "xmlhttprequest"] |
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[] -> false |
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end |
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end |
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end |
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@ -0,0 +1,8 @@ |
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<div class="tile tile-muted monospace"> |
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[ <%= @function_name %> method Response ] |
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<%= for item <- @outputs do %> |
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<i class="fa fa-angle-double-right"></i> |
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<span class="text-dark"> <%= item["type"] %> : <%= item["value"] %> </span> |
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<% end %> |
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</div> |
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@ -0,0 +1,50 @@ |
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<%= for {function, counter} <- Enum.with_index(@read_only_functions, 1) do %> |
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<div class="d-flex py-2 border-bottom" data-function> |
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<div class="py-2 pr-2 text-nowrap"> |
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<%= counter %>. |
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<%= function["name"] %> |
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→ |
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</div> |
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<%= if queryable?(function["inputs"]) do %> |
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<div class=""> |
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<form class="form-inline" data-function-form data-url="<%= smart_contract_path(@conn, :show, :en, @address.hash) %>"> |
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<input type="hidden" name="function_name" value='<%= function["name"] %>' /> |
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<%= for input <- function["inputs"] do %> |
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<div class="form-group pr-2"> |
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<input type="text" name="function_input" class="form-control form-control-sm address-input-sm mt-2" placeholder='<%= input["name"] %>(<%= input["type"] %>)' /> |
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</div> |
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<% end %> |
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<input type="submit" value='<%= gettext("Query")%>' class="button button--secondary button--xsmall py-0 mt-2" /> |
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</form> |
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<div class='p-2 text-muted <%= if (queryable?(function["inputs"]) == true), do: "w-100" %>'> |
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<%= if (queryable?(function["inputs"])), do: raw "↳" %> |
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<%= for output <- function["outputs"] do %> |
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<%= output["type"] %> |
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<% end %> |
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</div> |
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<div data-function-response></div> |
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</div> |
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<% else %> |
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<span class="py-2"> |
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<%= for output <- function["outputs"] do %> |
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<%= if address?(output["type"]) do %> |
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<%= link( |
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output["value"], |
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to: address_path(@conn, :show, @conn.assigns.locale, output["value"]) |
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) %> |
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<% else %> |
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<%= output["value"] %> |
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<% end %> |
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<% end %> |
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</span> |
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<% end %> |
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</div> |
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<% end %> |
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@ -0,0 +1,7 @@ |
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defmodule BlockScoutWeb.SmartContractView do |
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use BlockScoutWeb, :view |
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def queryable?(inputs), do: Enum.any?(inputs) |
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def address?(type), do: type == "address" |
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end |
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@ -1,24 +1,43 @@ |
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defmodule BlockScoutWeb.AddressReadContractControllerTest do |
defmodule BlockScoutWeb.AddressReadContractControllerTest do |
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use BlockScoutWeb.ConnCase |
use BlockScoutWeb.ConnCase |
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describe "GET show/3" do |
alias Explorer.ExchangeRates.Token |
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test "only responds to ajax requests", %{conn: conn} do |
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smart_contract = insert(:smart_contract) |
describe "GET index/3" do |
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test "with invalid address hash", %{conn: conn} do |
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path = |
conn = get(conn, address_read_contract_path(BlockScoutWeb.Endpoint, :index, :en, "invalid_address")) |
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address_read_contract_path( |
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BlockScoutWeb.Endpoint, |
assert html_response(conn, 404) |
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:show, |
end |
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:en, |
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smart_contract.address_hash, |
test "with valid address that is not a contract", %{conn: conn} do |
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smart_contract.address_hash, |
address = insert(:address) |
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function_name: "get", |
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args: [] |
conn = get(conn, address_read_contract_path(BlockScoutWeb.Endpoint, :index, :en, address.hash)) |
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) |
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assert html_response(conn, 404) |
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conn = get(conn, path) |
end |
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assert conn.status == 404 |
test "successfully renders the page when the address is a contract", %{conn: conn} do |
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contract_address = insert(:contract_address) |
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transaction = insert(:transaction, from_address: contract_address) |
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insert( |
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:internal_transaction_create, |
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index: 0, |
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transaction: transaction, |
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created_contract_address: contract_address |
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) |
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insert(:smart_contract, address_hash: contract_address.hash) |
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conn = get(conn, address_read_contract_path(BlockScoutWeb.Endpoint, :index, :en, contract_address.hash)) |
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assert html_response(conn, 200) |
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assert contract_address.hash == conn.assigns.address.hash |
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assert %Token{} = conn.assigns.exchange_rate |
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assert conn.assigns.transaction_count |
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end |
end |
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end |
end |
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end |
end |
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@ -0,0 +1,97 @@ |
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defmodule BlockScoutWeb.SmartContractControllerTest do |
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use BlockScoutWeb.ConnCase |
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import Mox |
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setup :verify_on_exit! |
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describe "GET index/3" do |
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test "only responds to ajax requests", %{conn: conn} do |
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smart_contract = insert(:smart_contract) |
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path = smart_contract_path(BlockScoutWeb.Endpoint, :index, :en, hash: smart_contract.address_hash) |
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conn = get(conn, path) |
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assert conn.status == 404 |
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end |
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test "lists the smart contract read only functions" do |
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token_contract_address = insert(:contract_address) |
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insert(:smart_contract, address_hash: token_contract_address.hash) |
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blockchain_get_function_mock() |
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path = smart_contract_path(BlockScoutWeb.Endpoint, :index, :en, hash: token_contract_address.hash) |
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conn = |
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build_conn() |
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|> put_req_header("x-requested-with", "xmlhttprequest") |
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|> get(path) |
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assert conn.status == 200 |
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refute conn.assigns.read_only_functions == [] |
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end |
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end |
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describe "GET show/3" do |
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test "only responds to ajax requests", %{conn: conn} do |
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smart_contract = insert(:smart_contract) |
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path = |
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smart_contract_path( |
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BlockScoutWeb.Endpoint, |
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:show, |
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:en, |
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smart_contract.address_hash, |
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function_name: "get", |
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args: [] |
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) |
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conn = get(conn, path) |
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assert conn.status == 404 |
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end |
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test "fetch the function value from the blockchain" do |
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smart_contract = insert(:smart_contract) |
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blockchain_get_function_mock() |
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path = |
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smart_contract_path( |
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BlockScoutWeb.Endpoint, |
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:show, |
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:en, |
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smart_contract.address_hash, |
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function_name: "get", |
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args: [] |
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) |
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conn = |
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build_conn() |
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|> put_req_header("x-requested-with", "xmlhttprequest") |
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|> get(path) |
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assert conn.status == 200 |
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assert %{ |
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function_name: "get", |
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layout: false, |
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locale: "en", |
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outputs: [%{"name" => "", "type" => "uint256", "value" => 0}] |
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} = conn.assigns |
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end |
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end |
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defp blockchain_get_function_mock() do |
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expect( |
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EthereumJSONRPC.Mox, |
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:json_rpc, |
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fn [%{id: id, method: _, params: [%{data: _, to: _}]}], _options -> |
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{:ok, [%{id: id, jsonrpc: "2.0", result: "0x0000000000000000000000000000000000000000000000000000000000000000"}]} |
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end |
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) |
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end |
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end |
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@ -0,0 +1,37 @@ |
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defmodule BlockScoutWeb.Tokens.ReadContractControllerTest do |
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use BlockScoutWeb.ConnCase |
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describe "GET index/3" do |
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test "with invalid address hash", %{conn: conn} do |
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conn = get(conn, token_read_contract_path(BlockScoutWeb.Endpoint, :index, :en, "invalid_address")) |
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assert html_response(conn, 404) |
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end |
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test "successfully renders the page when the token is a verified smart contract", %{conn: conn} do |
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token_contract_address = insert(:contract_address) |
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token = insert(:token, contract_address: token_contract_address) |
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transaction = |
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:transaction |
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|> insert() |
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|> with_block() |
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insert( |
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:token_transfer, |
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to_address: build(:address), |
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transaction: transaction, |
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token_contract_address: token_contract_address, |
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token: token |
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) |
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conn = get(conn, token_read_contract_path(BlockScoutWeb.Endpoint, :index, :en, token.contract_address_hash)) |
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assert html_response(conn, 200) |
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assert token.contract_address_hash == conn.assigns.token.contract_address_hash |
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assert conn.assigns.total_token_transfers |
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assert conn.assigns.total_address_in_token_transfers |
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end |
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end |
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end |
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