Ayrat Badykov
5 years ago
committed by
GitHub
commit
ec4aa32e5f
@ -0,0 +1,6 @@ |
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$btn-contract-color: $primary !default; |
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$btn-contract-dimensions: 31px !default; |
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|
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.btn-contract-icon { |
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@include square-icon-button($btn-contract-color, $btn-contract-dimensions); |
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} |
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@ -0,0 +1,10 @@ |
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/* ERC721 image block */ |
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.erc721-image { |
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display: flex; |
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justify-content: center; |
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} |
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|
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.erc721-image img { |
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height: 150px; |
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} |
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/* ERC721 image block end */ |
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@ -1,3 +1,4 @@ |
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$primary: #211841; |
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$secondary: #f16950; |
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$tertiary: #8b84bc; |
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$btn-contract-color: $primary; |
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|
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|
After Width: | Height: | Size: 4.2 KiB |
@ -0,0 +1,34 @@ |
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defmodule BlockScoutWeb.Tokens.Instance.MetadataController do |
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use BlockScoutWeb, :controller |
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|
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alias Explorer.{Chain, Market} |
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|
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def index(conn, %{"token_id" => token_address_hash, "instance_id" => token_id}) do |
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options = [necessity_by_association: %{[contract_address: :smart_contract] => :optional}] |
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|
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with {:ok, hash} <- Chain.string_to_address_hash(token_address_hash), |
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{:ok, token} <- Chain.token_from_address_hash(hash, options), |
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{:ok, token_transfer} <- |
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Chain.erc721_token_instance_from_token_id_and_token_address(token_id, hash) do |
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if token_transfer.instance && token_transfer.instance.metadata do |
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render( |
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conn, |
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"index.html", |
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token_instance: token_transfer, |
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current_path: current_path(conn), |
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token: Market.add_price(token), |
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total_token_transfers: Chain.count_token_transfers_from_token_hash_and_token_id(hash, token_id) |
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) |
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else |
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not_found(conn) |
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end |
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else |
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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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|
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def index(conn, _) do |
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not_found(conn) |
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end |
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end |
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@ -0,0 +1,74 @@ |
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defmodule BlockScoutWeb.Tokens.Instance.TransferController do |
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use BlockScoutWeb, :controller |
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|
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alias BlockScoutWeb.Tokens.TransferView |
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alias Explorer.{Chain, Market} |
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alias Phoenix.View |
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|
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import BlockScoutWeb.Chain, only: [split_list_by_page: 1, paging_options: 1, next_page_params: 3] |
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|
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def index(conn, %{"token_id" => token_address_hash, "instance_id" => token_id, "type" => "JSON"} = params) do |
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with {:ok, hash} <- Chain.string_to_address_hash(token_address_hash), |
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{:ok, token} <- Chain.token_from_address_hash(hash), |
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token_transfers <- |
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Chain.fetch_token_transfers_from_token_hash_and_token_id(hash, token_id, paging_options(params)) do |
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{token_transfers_paginated, next_page} = split_list_by_page(token_transfers) |
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|
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next_page_path = |
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case next_page_params(next_page, token_transfers_paginated, params) do |
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nil -> |
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nil |
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|
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next_page_params -> |
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token_instance_transfer_path( |
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conn, |
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:index, |
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token_id, |
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token.contract_address_hash, |
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Map.delete(next_page_params, "type") |
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) |
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end |
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|
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transfers_json = |
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Enum.map(token_transfers_paginated, fn transfer -> |
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View.render_to_string( |
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TransferView, |
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"_token_transfer.html", |
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conn: conn, |
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token: token, |
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token_transfer: transfer |
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) |
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end) |
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|
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json(conn, %{items: transfers_json, next_page_path: next_page_path}) |
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else |
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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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|
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def index(conn, %{"token_id" => token_address_hash, "instance_id" => token_id}) do |
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options = [necessity_by_association: %{[contract_address: :smart_contract] => :optional}] |
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|
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with {:ok, hash} <- Chain.string_to_address_hash(token_address_hash), |
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{:ok, token} <- Chain.token_from_address_hash(hash, options), |
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{:ok, token_transfer} <- |
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Chain.erc721_token_instance_from_token_id_and_token_address(token_id, hash) do |
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render( |
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conn, |
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"index.html", |
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token_instance: token_transfer, |
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current_path: current_path(conn), |
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token: Market.add_price(token), |
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total_token_transfers: Chain.count_token_transfers_from_token_hash_and_token_id(hash, token_id) |
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) |
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else |
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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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|
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def index(conn, _) do |
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not_found(conn) |
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end |
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end |
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@ -0,0 +1,20 @@ |
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defmodule BlockScoutWeb.Tokens.InstanceController do |
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use BlockScoutWeb, :controller |
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|
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alias Explorer.Chain |
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|
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def show(conn, %{"token_id" => token_address_hash, "id" => token_id}) do |
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with {:ok, hash} <- Chain.string_to_address_hash(token_address_hash), |
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:ok <- Chain.check_token_exists(hash), |
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:ok <- Chain.check_erc721_token_instance_exists(token_id, hash) do |
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redirect(conn, to: token_instance_transfer_path(conn, :index, token_address_hash, token_id)) |
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else |
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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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|
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def show(conn, _) do |
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not_found(conn) |
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end |
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end |
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@ -0,0 +1,30 @@ |
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<section class="container"> |
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<%= render( |
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OverviewView, |
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"_details.html", |
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token: @token, |
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total_token_transfers: @total_token_transfers, |
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token_id: @token_instance.token_id, |
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token_instance: @token_instance, |
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conn: @conn |
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) %> |
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|
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<section> |
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<div class="card"> |
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<%= render OverviewView, "_tabs.html", assigns %> |
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<div class="card-body"> |
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<section> |
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<div class="d-flex justify-content-between align-items-baseline"> |
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<h3><%= gettext "Metadata" %></h3> |
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<button type="button" class="btn-line" id="button" data-clipboard-text="<%= format_metadata(@token_instance.instance.metadata) %>" aria-label="Copy Metadata"> |
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<%= gettext "Copy Metadata" %> |
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</button> |
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</div> |
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<div class="tile tile-muted mb-4"> |
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<pre class="pre-wrap pre-scrollable"><code class="nohighlight"><%= format_metadata(@token_instance.instance.metadata) %></code> |
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</pre> |
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</div> |
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</section> |
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</div> |
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</section> |
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</section> |
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@ -0,0 +1,106 @@ |
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<section class="address-overview"> |
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<div class="row"> |
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<div class="card-section col-md-12 col-lg-7 pr-0-md"> |
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<div class="card"> |
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<div class="card-body"> |
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<h1 class="card-title"> |
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<%= if token_name?(@token) do %> |
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<%= @token.name %> |
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<% else %> |
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<%= gettext("Token Details") %> |
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<% end %> |
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<!-- buttons --> |
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<span class="overview-title-buttons float-right"> |
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<span class="overview-title-item"> |
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<span |
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aria-label='<%= gettext("View Contract") %>' |
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class="btn-contract-icon" |
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data-placement="top" |
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data-toggle="tooltip" |
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title='<%= gettext("View Contract") %>' |
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onclick='<%= "location='#{address_path(@conn, :show, @token.contract_address_hash)}'" %>' |
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> |
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32.5 32.5" width="32" height="32" transform="translate(8,8)"> |
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<path fill-rule="evenodd" d="M15 16H1a1 1 0 0 1-1-1V1a1 1 0 0 1 1-1h14a1 1 0 0 1 1 1v14a1 1 0 0 1-1 1zM14 2H2v12h12V2z"/> |
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<path fill-rule="evenodd" d="M11 9h-1a1 1 0 0 1 0-2h1a1 1 0 0 1 0 2zm0-3H5a1 1 0 0 1 0-2h6a1 1 0 0 1 0 2zM5 7h1a1 1 0 0 1 0 2H5a1 1 0 0 1 0-2zm0 3h6a1 1 0 0 1 0 2H5a1 1 0 0 1 0-2z"/> |
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</svg> |
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</span> |
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</span> |
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<span class="overview-title-item" data-clipboard-text="<%= @token_id %>"> |
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<span |
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aria-label='<%= gettext("Copy Token ID") %>' |
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class="btn-copy-icon" |
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data-placement="top" |
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data-toggle="tooltip" |
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title='<%= gettext("Copy Token ID") %>' |
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> |
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32.5 32.5" width="32" height="32"> |
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<path fill-rule="evenodd" d="M23.5 20.5a1 1 0 0 1-1-1v-9h-9a1 1 0 0 1 0-2h10a1 1 0 0 1 1 1v10a1 1 0 0 1-1 1zm-3-7v10a1 1 0 0 1-1 1h-10a1 1 0 0 1-1-1v-10a1 1 0 0 1 1-1h10a1 1 0 0 1 1 1zm-2 1h-8v8h8v-8z"/> |
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</svg> |
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</span> |
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</span> |
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<span |
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class="overview-title-item" |
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data-target="#qrModal" |
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data-toggle="modal" |
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> |
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<span |
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class="btn-qr-icon" |
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data-toggle="tooltip" |
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data-placement="top" |
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title='<%= gettext("QR Code") %>' |
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aria-label='<%= gettext("Show QR Code") %>' |
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> |
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32.5 32.5" width="32" height="32"> |
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<path fill-rule="evenodd" d="M22.5 24.5v-2h2v2h-2zm-1-4v-1h1v1h-1zm1-3h2v2h-2v-2zm1-2h-5a1 1 0 0 1-1-1v-5a1 1 0 0 1 1-1h5a1 1 0 0 1 1 1v5a1 1 0 0 1-1 1zm-1-5h-3v3h3v-3zm-8 14h-5a1 1 0 0 1-1-1v-5a1 1 0 0 1 1-1h5a1 1 0 0 1 1 1v5a1 1 0 0 1-1 1zm-1-5h-3v3h3v-3zm1-4h-5a1 1 0 0 1-1-1v-5a1 1 0 0 1 1-1h5a1 1 0 0 1 1 1v5a1 1 0 0 1-1 1zm-1-5h-3v3h3v-3zm6 9h-2v-2h2v2zm1 1h-1v-1h1v1zm0 1v1h-1v-1h1zm-1 3h-2v-2h2v2z"/> |
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</svg> |
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</span> |
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</span> |
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</span> |
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</h1> |
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|
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<h3><%= to_string(@token_id) %></h3> |
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|
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<div class="d-flex flex-column flex-md-row justify-content-start text-muted"> |
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<div class="d-flex flex-row justify-content-start text-muted"> |
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<span class="mr-4"> <%= @token.type %> </span> |
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<span class="mr-4"><%= @total_token_transfers %> <%= gettext "Transfers" %></span> |
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<%= if decimals?(@token) do %> |
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<span class="mr-4"><%= @token.decimals %> <%= gettext "Decimals" %></span> |
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<% end %> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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|
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<div class="card-section col-md-12 col-lg-5 pl-0-md"> |
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<div class="card"> |
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<div class="card-body"> |
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<div class="erc721-image" > |
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<img src=<%=image_src(@token_instance.instance)%> /> |
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</div> |
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</div> |
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</div> |
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</div> |
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</div> |
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</section> |
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<!-- Modal --> |
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<div class="modal fade" id="qrModal" tabindex="-1" role="dialog" aria-labelledby="qrModalLabel" aria-hidden="true"> |
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<div class="modal-dialog modal-sm" role="document"> |
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<div class="modal-content"> |
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<div class="modal-header"> |
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<h2 class="modal-title" id="qrModalLabel"><%= gettext "QR Code" %></h2> |
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<button type="button" class="close" data-dismiss="modal" aria-label="<%= gettext("Close") %>"> |
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<span aria-hidden="true">×</span> |
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</button> |
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</div> |
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<div class="modal-body"> |
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<img src="data:image/png;base64, <%= qr_code(@conn, @token_id, @token.contract_address_hash) %> " class="qr-code" alt="qr_code" title="<%= @token.contract_address %>" /> |
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</div> |
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<div class="modal-footer"> |
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<button type="button" class="btn btn-primary" data-dismiss="modal"><%= gettext "Close" %></button> |
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</div> |
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</div> |
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</div> |
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</div> |
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@ -0,0 +1,15 @@ |
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<div class="card-tabs js-card-tabs"> |
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<%= link( |
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gettext("Token Transfers"), |
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class: "card-tab #{tab_status("token_transfers", @conn.request_path)}", |
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to: token_instance_path(@conn, :show, @token.contract_address_hash, to_string(@token_instance.token_id)) |
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) |
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%> |
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<%= if @token_instance.instance do %> |
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<%= link( |
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gettext("Metadata"), |
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to: token_instance_metadata_path(@conn, :index, @token.contract_address_hash, to_string(@token_instance.token_id)), |
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class: "card-tab #{tab_status("metadata", @conn.request_path)}") |
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%> |
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<% end %> |
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</div> |
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@ -0,0 +1,39 @@ |
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<section class="container"> |
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<%= render( |
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OverviewView, |
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"_details.html", |
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token: @token, |
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total_token_transfers: @total_token_transfers, |
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token_id: @token_instance.token_id, |
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token_instance: @token_instance, |
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conn: @conn |
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) %> |
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|
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<section> |
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<div class="card"> |
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<%= render OverviewView, "_tabs.html", assigns %> |
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<div class="card-body" data-async-load data-async-listing="<%= @current_path %>"> |
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<h2 class="card-title"><%= gettext "Token Transfers" %></h2> |
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|
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<%= render BlockScoutWeb.CommonComponentsView, "_pagination_container.html", position: "top", cur_page_number: "1", show_pagination_limit: true, data_next_page_button: true, data_prev_page_button: true %> |
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|
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<button data-error-message class="alert alert-danger col-12 text-left" style="display: none;"> |
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<span href="#" class="alert-link"><%= gettext("Something went wrong, click to reload.") %></span> |
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</button> |
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|
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<div data-empty-response-message class="tile tile-muted text-center" style="display: none;"> |
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<span data-selector="empty-transactions-list"> |
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<%= gettext "There are no transfers for this Token." %> |
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</span> |
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</div> |
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|
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<div data-items> |
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<%= render BlockScoutWeb.CommonComponentsView, "_tile-loader.html" %> |
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</div> |
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|
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<%= render BlockScoutWeb.CommonComponentsView, "_pagination_container.html", position: "bottom", cur_page_number: "1", show_pagination_limit: true, data_next_page_button: true, data_prev_page_button: true %> |
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|
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</div> |
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</div> |
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</section> |
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</section> |
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@ -0,0 +1,9 @@ |
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defmodule BlockScoutWeb.Tokens.Instance.MetadataView do |
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use BlockScoutWeb, :view |
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|
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alias BlockScoutWeb.Tokens.Instance.OverviewView |
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|
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def format_metadata(nil), do: "" |
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|
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def format_metadata(metadata), do: Poison.encode!(metadata, pretty: true) |
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end |
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@ -0,0 +1,62 @@ |
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defmodule BlockScoutWeb.Tokens.Instance.OverviewView do |
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use BlockScoutWeb, :view |
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|
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alias BlockScoutWeb.CurrencyHelpers |
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alias Explorer.Chain.{Address, SmartContract, Token} |
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|
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import BlockScoutWeb.APIDocsView, only: [blockscout_url: 0] |
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|
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@tabs ["token_transfers", "metadata"] |
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|
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def token_name?(%Token{name: nil}), do: false |
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def token_name?(%Token{name: _}), do: true |
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|
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def decimals?(%Token{decimals: nil}), do: false |
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def decimals?(%Token{decimals: _}), do: true |
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|
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def total_supply?(%Token{total_supply: nil}), do: false |
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def total_supply?(%Token{total_supply: _}), do: true |
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|
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def image_src(nil), do: "/images/controller.svg" |
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|
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def image_src(instance) do |
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cond do |
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instance.metadata && instance.metadata["image_url"] -> instance.metadata["image_url"] |
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instance.metadata && instance.metadata["image"] -> instance.metadata["image"] |
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true -> image_src(nil) |
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end |
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end |
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|
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def total_supply_usd(token) do |
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tokens = CurrencyHelpers.divide_decimals(token.total_supply, token.decimals) |
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price = token.usd_value |
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Decimal.mult(tokens, price) |
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end |
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|
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def smart_contract_with_read_only_functions?( |
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%Token{contract_address: %Address{smart_contract: %SmartContract{}}} = token |
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) do |
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Enum.any?(token.contract_address.smart_contract.abi, & &1["constant"]) |
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end |
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|
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def smart_contract_with_read_only_functions?(%Token{contract_address: %Address{smart_contract: nil}}), do: false |
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|
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def qr_code(conn, token_id, hash) do |
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token_instance_path = token_instance_path(conn, :show, to_string(hash), to_string(token_id)) |
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|
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url = Path.join(blockscout_url(), token_instance_path) |
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|
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url |
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|> QRCode.to_png() |
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|> Base.encode64() |
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end |
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|
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def current_tab_name(request_path) do |
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@tabs |
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|> Enum.filter(&tab_active?(&1, request_path)) |
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|> tab_name() |
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end |
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|
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defp tab_name(["token_transfers"]), do: gettext("Token Transfers") |
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defp tab_name(["metadata"]), do: gettext("Metadata") |
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end |
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@ -0,0 +1,5 @@ |
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defmodule BlockScoutWeb.Tokens.Instance.TransferView do |
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use BlockScoutWeb, :view |
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|
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alias BlockScoutWeb.Tokens.Instance.OverviewView |
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end |
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@ -0,0 +1,3 @@ |
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defmodule BlockScoutWeb.Tokens.InstanceView do |
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use BlockScoutWeb, :view |
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end |
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@ -0,0 +1,23 @@ |
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defmodule BlockScoutWeb.Tokens.InstanceControllerTest do |
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use BlockScoutWeb.ConnCase, async: false |
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|
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describe "GET show/2" do |
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test "redirects with valid params", %{conn: conn} do |
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contract_address = insert(:address) |
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|
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insert(:token, contract_address: contract_address) |
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|
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token_id = 10 |
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|
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insert(:token_transfer, |
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from_address: contract_address, |
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token_contract_address: contract_address, |
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token_id: token_id |
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) |
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|
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conn = get(conn, token_instance_path(BlockScoutWeb.Endpoint, :show, to_string(contract_address.hash), token_id)) |
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|
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assert conn.status == 302 |
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end |
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end |
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end |
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@ -0,0 +1,46 @@ |
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defmodule Explorer.Chain.Token.Instance do |
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@moduledoc """ |
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Represents an ERC 721 token instance and stores metadata defined in https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md. |
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""" |
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|
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use Explorer.Schema |
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|
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alias Explorer.Chain.{Hash, Token} |
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alias Explorer.Chain.Token.Instance |
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|
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@typedoc """ |
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* `token_id` - ID of the token |
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* `token_contract_address_hash` - Address hash foreign key |
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* `metadata` - Token instance metadata |
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""" |
||||
|
||||
@type t :: %Instance{ |
||||
token_id: non_neg_integer(), |
||||
token_contract_address_hash: Hash.Address.t(), |
||||
metadata: Map.t() |
||||
} |
||||
|
||||
@primary_key false |
||||
schema "token_instances" do |
||||
field(:token_id, :decimal, primary_key: true) |
||||
field(:metadata, :map) |
||||
|
||||
belongs_to( |
||||
:token, |
||||
Token, |
||||
foreign_key: :token_contract_address_hash, |
||||
references: :contract_address_hash, |
||||
type: Hash.Address, |
||||
primary_key: true |
||||
) |
||||
|
||||
timestamps() |
||||
end |
||||
|
||||
def changeset(%Instance{} = instance, params \\ %{}) do |
||||
instance |
||||
|> cast(params, [:token_id, :metadata, :token_contract_address_hash]) |
||||
|> validate_required([:token_id, :token_contract_address_hash]) |
||||
|> foreign_key_constraint(:token_contract_address_hash) |
||||
end |
||||
end |
||||
@ -0,0 +1,69 @@ |
||||
defmodule Explorer.Token.InstanceMetadataRetriever do |
||||
@moduledoc """ |
||||
Fetches ERC721 token instance metadata. |
||||
""" |
||||
|
||||
require Logger |
||||
|
||||
alias Explorer.SmartContract.Reader |
||||
alias HTTPoison.{Error, Response} |
||||
|
||||
@abi [ |
||||
%{ |
||||
"type" => "function", |
||||
"stateMutability" => "view", |
||||
"payable" => false, |
||||
"outputs" => [ |
||||
%{"type" => "string", "name" => ""} |
||||
], |
||||
"name" => "tokenURI", |
||||
"inputs" => [ |
||||
%{ |
||||
"type" => "uint256", |
||||
"name" => "_tokenId" |
||||
} |
||||
], |
||||
"constant" => true |
||||
} |
||||
] |
||||
|
||||
@cryptokitties_address_hash "0x06012c8cf97bead5deae237070f9587f8e7a266d" |
||||
|
||||
def fetch_metadata(unquote(@cryptokitties_address_hash), token_id) do |
||||
%{"tokenURI" => {:ok, ["https://api.cryptokitties.co/kitties/#{token_id}"]}} |
||||
|> fetch_json() |
||||
end |
||||
|
||||
def fetch_metadata(contract_address_hash, token_id) do |
||||
contract_functions = %{"tokenURI" => [token_id]} |
||||
|
||||
contract_address_hash |
||||
|> query_contract(contract_functions) |
||||
|> fetch_json() |
||||
end |
||||
|
||||
def query_contract(contract_address_hash, contract_functions) do |
||||
Reader.query_contract(contract_address_hash, @abi, contract_functions) |
||||
end |
||||
|
||||
defp fetch_json(%{"tokenURI" => {:ok, [""]}}) do |
||||
{:error, :no_uri} |
||||
end |
||||
|
||||
defp fetch_json(%{"tokenURI" => {:ok, [token_uri]}}) do |
||||
case HTTPoison.get(token_uri) do |
||||
{:ok, %Response{body: body, status_code: 200}} -> |
||||
Jason.decode(body) |
||||
|
||||
{:ok, %Response{body: body}} -> |
||||
{:error, body} |
||||
|
||||
{:error, %Error{reason: reason}} -> |
||||
{:error, reason} |
||||
end |
||||
end |
||||
|
||||
defp fetch_json(result) do |
||||
{:error, result} |
||||
end |
||||
end |
||||
@ -0,0 +1,22 @@ |
||||
defmodule Explorer.Repo.Migrations.CreateTokenInstances do |
||||
use Ecto.Migration |
||||
|
||||
def change do |
||||
create table(:token_instances, primary_key: false) do |
||||
# ERC-721 tokens have IDs |
||||
# 10^x = 2^256, x ~ 77.064, so 78 decimal digits will store the full 256-bits of a native EVM type |
||||
add(:token_id, :numeric, precision: 78, scale: 0, null: false, primary_key: true) |
||||
|
||||
add(:token_contract_address_hash, references(:tokens, column: :contract_address_hash, type: :bytea), |
||||
null: false, |
||||
primary_key: true |
||||
) |
||||
|
||||
add(:metadata, :jsonb) |
||||
|
||||
timestamps(null: false, type: :utc_datetime_usec) |
||||
end |
||||
|
||||
create_if_not_exists(index(:token_instances, [:token_id])) |
||||
end |
||||
end |
||||
@ -0,0 +1,53 @@ |
||||
defmodule Explorer.Token.InstanceMetadataRetrieverTest do |
||||
use EthereumJSONRPC.Case |
||||
|
||||
alias Explorer.Token.InstanceMetadataRetriever |
||||
|
||||
import Mox |
||||
|
||||
setup :verify_on_exit! |
||||
setup :set_mox_global |
||||
|
||||
describe "fetch_metadata/2" do |
||||
@tag :no_parity |
||||
@tag :no_geth |
||||
test "fetches json metadata", %{json_rpc_named_arguments: json_rpc_named_arguments} do |
||||
if json_rpc_named_arguments[:transport] == EthereumJSONRPC.Mox do |
||||
EthereumJSONRPC.Mox |
||||
|> expect(:json_rpc, fn [ |
||||
%{ |
||||
id: 0, |
||||
jsonrpc: "2.0", |
||||
method: "eth_call", |
||||
params: [ |
||||
%{ |
||||
data: |
||||
"0xc87b56dd000000000000000000000000000000000000000000000000fdd5b9fa9d4bfb20", |
||||
to: "0x5caebd3b32e210e85ce3e9d51638b9c445481567" |
||||
}, |
||||
"latest" |
||||
] |
||||
} |
||||
], |
||||
_options -> |
||||
{:ok, |
||||
[ |
||||
%{ |
||||
id: 0, |
||||
jsonrpc: "2.0", |
||||
result: |
||||
"0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003568747470733a2f2f7661756c742e7761727269646572732e636f6d2f31383239303732393934373636373130323439362e6a736f6e0000000000000000000000" |
||||
} |
||||
]} |
||||
end) |
||||
end |
||||
|
||||
assert %{ |
||||
"tokenURI" => {:ok, ["https://vault.warriders.com/18290729947667102496.json"]} |
||||
} == |
||||
InstanceMetadataRetriever.query_contract("0x5caebd3b32e210e85ce3e9d51638b9c445481567", %{ |
||||
"tokenURI" => [18_290_729_947_667_102_496] |
||||
}) |
||||
end |
||||
end |
||||
end |
||||
@ -0,0 +1,75 @@ |
||||
defmodule Indexer.Fetcher.TokenInstance do |
||||
@moduledoc """ |
||||
Fetches information about a token instance. |
||||
""" |
||||
|
||||
use Indexer.Fetcher |
||||
use Spandex.Decorators |
||||
|
||||
alias Explorer.Chain |
||||
alias Explorer.Token.InstanceMetadataRetriever |
||||
alias Indexer.BufferedTask |
||||
|
||||
@behaviour BufferedTask |
||||
|
||||
@defaults [ |
||||
flush_interval: 300, |
||||
max_batch_size: 1, |
||||
max_concurrency: 10, |
||||
task_supervisor: Indexer.Fetcher.TokenInstance.TaskSupervisor |
||||
] |
||||
|
||||
@doc false |
||||
def child_spec([init_options, gen_server_options]) do |
||||
{state, mergeable_init_options} = Keyword.pop(init_options, :json_rpc_named_arguments) |
||||
|
||||
unless state do |
||||
raise ArgumentError, |
||||
":json_rpc_named_arguments must be provided to `#{__MODULE__}.child_spec " <> |
||||
"to allow for json_rpc calls when running." |
||||
end |
||||
|
||||
merged_init_opts = |
||||
@defaults |
||||
|> Keyword.merge(mergeable_init_options) |
||||
|> Keyword.put(:state, state) |
||||
|
||||
Supervisor.child_spec({BufferedTask, [{__MODULE__, merged_init_opts}, gen_server_options]}, id: __MODULE__) |
||||
end |
||||
|
||||
@impl BufferedTask |
||||
def init(initial_acc, reducer, _) do |
||||
{:ok, acc} = |
||||
Chain.stream_unfetched_token_instances(initial_acc, fn data, acc -> |
||||
reducer.(data, acc) |
||||
end) |
||||
|
||||
acc |
||||
end |
||||
|
||||
@impl BufferedTask |
||||
def run([%{contract_address_hash: token_contract_address_hash, token_id: token_id}], _json_rpc_named_arguments) do |
||||
case InstanceMetadataRetriever.fetch_metadata(to_string(token_contract_address_hash), Decimal.to_integer(token_id)) do |
||||
{:ok, metadata} -> |
||||
params = %{ |
||||
token_id: token_id, |
||||
token_contract_address_hash: token_contract_address_hash, |
||||
metadata: metadata |
||||
} |
||||
|
||||
{:ok, _result} = Chain.upsert_token_instance(params) |
||||
|
||||
_other -> |
||||
:ok |
||||
end |
||||
|
||||
:ok |
||||
end |
||||
|
||||
@doc """ |
||||
Fetches token instance data asynchronously. |
||||
""" |
||||
def async_fetch(data) do |
||||
BufferedTask.buffer(__MODULE__, data) |
||||
end |
||||
end |
||||
Loading…
Reference in new issue