feat: Adding Mobula price source (#9971)
* Adding Mobula as data provider * push Mobula source * add chain setup * remove useless params * remove useless functions * add mobula price history provider * adding mobula history url * add possibility to fetch_market_data_for_token_addresses with Mobula on source.ex * update chain => chain_id * mix format * mix credo * removed useless alias Helper & Chain * Adding "Mobula" to cspell.json * Adding Mobula to config_helper * Fix dialyzer * mix format * Set Mobula as a default source if the EXCHANGE_RATES_COINGECKO_API_KEY is not set * fix compilation error on config_helper * Remove Mobula fallback on config_helper exchange_rates_source * Update apps/explorer/lib/explorer/exchange_rates/source/mobula.ex Co-authored-by: Fedor Ivanov <ivnfedor@gmail.com> * Update mobula.ex * add Mobula to exchange_rates_market_cap_source * Adding secondary_coin support * EXCHANGE_RATES_MOBULA_PLATFORM_ID into EXCHANGE_RATES_MOBULA_CHAIN_ID * should fix mix credo * adding mobula secondary id env * update env in runtime.exs * Push requests --------- Co-authored-by: Fedor Ivanov <ivnfedor@gmail.com>pull/10216/head
NBMXyeu
6 months ago
committed by
GitHub
parent
e29f3e2a52
commit
b8730cdfe0
@ -0,0 +1,174 @@ |
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defmodule Explorer.ExchangeRates.Source.Mobula do |
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@moduledoc """ |
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Adapter for fetching exchange rates from https://mobula.io |
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""" |
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require Logger |
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alias Explorer.ExchangeRates.{Source, Token} |
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import Source, only: [to_decimal: 1] |
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@behaviour Source |
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@impl Source |
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def format_data(%{"data" => %{"market_cap" => _} = market_data}) do |
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current_price = market_data["price"] |
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image_url = market_data["logo"] |
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id = market_data["symbol"] |
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btc_value = |
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if Application.get_env(:explorer, Explorer.ExchangeRates)[:fetch_btc_value], do: get_btc_value(id, market_data) |
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[ |
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%Token{ |
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available_supply: to_decimal(market_data["circulating_supply"]), |
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total_supply: to_decimal(market_data["total_supply"]) || to_decimal(market_data["circulating_supply"]), |
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btc_value: btc_value, |
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id: id, |
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last_updated: nil, |
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market_cap_usd: to_decimal(market_data["market_cap"]), |
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tvl_usd: nil, |
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name: market_data["name"], |
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symbol: String.upcase(market_data["symbol"]), |
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usd_value: current_price, |
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volume_24h_usd: to_decimal(market_data["volume"]), |
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image_url: image_url |
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} |
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] |
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end |
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@impl Source |
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def format_data(%{"data" => data}) do |
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data |
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|> Enum.reduce(%{}, fn |
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{address_hash_string, market_data}, acc -> |
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case Explorer.Chain.Hash.Address.cast(address_hash_string) do |
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{:ok, address_hash} -> |
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acc |
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|> Map.put(address_hash, %{ |
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fiat_value: Map.get(market_data, "price"), |
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circulating_market_cap: Map.get(market_data, "market_cap"), |
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volume_24h: Map.get(market_data, "volume") |
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}) |
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_ -> |
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acc |
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end |
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_, acc -> |
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acc |
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end) |
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end |
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@impl Source |
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def format_data(_), do: [] |
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@impl Source |
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def source_url do |
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"#{base_url()}/market/data?asset=#{Explorer.coin()}" |
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end |
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@impl Source |
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def source_url(token_addresses) when is_list(token_addresses) do |
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joined_addresses = token_addresses |> Enum.map_join(",", &to_string/1) |
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"#{base_url()}/market/multi-data?blockchains=#{chain()}&assets=#{joined_addresses}" |
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end |
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@impl Source |
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def source_url(input) do |
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symbol = input |
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"#{base_url()}/market/data&asset=#{symbol}" |
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end |
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@spec secondary_history_source_url() :: String.t() |
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def secondary_history_source_url do |
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id = config(:secondary_coin_id) |
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if id, do: "#{base_url()}/market/history?asset=#{id}", else: nil |
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end |
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@spec history_source_url() :: String.t() |
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def history_source_url do |
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"#{base_url()}/market/history?asset=#{Explorer.coin()}" |
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end |
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@spec history_url(non_neg_integer(), boolean()) :: String.t() |
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def history_url(previous_days, secondary_coin?) do |
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now = DateTime.utc_now() |
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date_days_ago = DateTime.add(now, -previous_days, :day) |
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timestamp_ms = DateTime.to_unix(date_days_ago) * 1000 |
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source_url = if secondary_coin?, do: secondary_history_source_url(), else: history_source_url() |
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"#{source_url}&from=#{timestamp_ms}" |
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end |
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@spec market_cap_history_url(non_neg_integer()) :: String.t() |
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def market_cap_history_url(previous_days) do |
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now = DateTime.utc_now() |
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date_days_ago = DateTime.add(now, -previous_days, :day) |
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timestamp_ms = DateTime.to_unix(date_days_ago) * 1000 |
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"#{history_source_url()}&from=#{timestamp_ms}&period=5" |
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end |
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@impl Source |
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def headers do |
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if config(:api_key) do |
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[{"Authorization", "#{config(:api_key)}"}] |
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else |
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[] |
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end |
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end |
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defp get_current_price(market_data) do |
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if market_data["price"] do |
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to_decimal(market_data["price"]) |
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else |
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1 |
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end |
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end |
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defp get_btc_value(id, market_data) do |
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case get_btc_price() do |
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{:ok, price} -> |
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btc_price = to_decimal(price) |
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current_price = get_current_price(market_data) |
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if id != "btc" && current_price && btc_price do |
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Decimal.div(current_price, btc_price) |
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else |
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1 |
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end |
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_ -> |
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1 |
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end |
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end |
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defp chain do |
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config(:platform) || "ethereum" |
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end |
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defp base_url do |
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config(:base_url) |
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end |
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defp get_btc_price do |
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url = "#{base_url()}/market/data?asset=Bitcoin" |
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case Source.http_request(url, headers()) do |
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{:ok, %{"price" => current_price}} -> |
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{:ok, current_price} |
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resp -> |
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resp |
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end |
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end |
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@spec config(atom()) :: term |
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defp config(key) do |
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Application.get_env(:explorer, __MODULE__, [])[key] |
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end |
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end |
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@ -0,0 +1,54 @@ |
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defmodule Explorer.Market.History.Source.MarketCap.Mobula do |
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@moduledoc """ |
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Adapter for fetching current market from Mobula. |
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The current market is fetched for the configured coin. You can specify a |
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different coin by changing the targeted coin. |
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# In config.exs |
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config :explorer, coin: "POA" |
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""" |
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require Logger |
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alias Explorer.ExchangeRates.Source |
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alias Explorer.ExchangeRates.Source.Mobula, as: ExchangeRatesSourceMobula |
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alias Explorer.Market.History.Source.MarketCap, as: SourceMarketCap |
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alias Explorer.Market.History.Source.Price.CryptoCompare |
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@behaviour SourceMarketCap |
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@impl SourceMarketCap |
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def fetch_market_cap(previous_days) do |
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url = ExchangeRatesSourceMobula.market_cap_history_url(previous_days) |
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case Source.http_request(url, ExchangeRatesSourceMobula.headers()) do |
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{:ok, data} -> |
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result = |
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data |
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|> format_data() |
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{:ok, result} |
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_ -> |
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:error |
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end |
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end |
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@spec format_data(term()) :: SourceMarketCap.record() | nil |
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defp format_data(nil), do: nil |
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defp format_data(data) do |
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market_caps = data["data"]["market_cap_history"] |
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for [date, market_cap] <- market_caps do |
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date = Decimal.to_integer(Decimal.round(Decimal.from_float(date / 1000))) |
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%{ |
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market_cap: Decimal.new(to_string(market_cap)), |
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date: CryptoCompare.date(date) |
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} |
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end |
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end |
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end |
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@ -0,0 +1,48 @@ |
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defmodule Explorer.Market.History.Source.Price.Mobula do |
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@moduledoc """ |
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Adapter for fetching current market from Mobula. |
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""" |
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require Logger |
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alias Explorer.ExchangeRates.Source |
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alias Explorer.ExchangeRates.Source.Mobula, as: ExchangeRatesSourceMobula |
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alias Explorer.Market.History.Source.Price, as: SourcePrice |
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alias Explorer.Market.History.Source.Price.CryptoCompare |
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@behaviour SourcePrice |
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@impl SourcePrice |
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def fetch_price_history(previous_days, secondary_coin? \\ false) do |
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url = ExchangeRatesSourceMobula.history_url(previous_days, secondary_coin?) |
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case Source.http_request(url, ExchangeRatesSourceMobula.headers()) do |
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{:ok, data} -> |
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result = |
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data |
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|> format_data(secondary_coin?) |
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{:ok, result} |
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_ -> |
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:error |
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end |
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end |
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@spec format_data(term(), boolean()) :: SourcePrice.record() | nil |
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defp format_data(nil, _), do: nil |
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defp format_data(data, secondary_coin?) do |
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prices = data["data"]["price_history"] |
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for [date, price] <- prices do |
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date = Decimal.to_integer(Decimal.round(Decimal.from_float(date / 1000))) |
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%{ |
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closing_price: Decimal.new(to_string(price)), |
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date: CryptoCompare.date(date), |
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opening_price: Decimal.new(to_string(price)), |
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secondary_coin: secondary_coin? |
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} |
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end |
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end |
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end |
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