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k.rb
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k.rb
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# encoding: UTF-8
# frozen_string_literal: true
module APIv2
class K < Grape::API
helpers ::APIv2::NamedParams
desc 'Get OHLC(k line) of specific market.'
params do
use :market
optional :limit, type: Integer, default: 30, values: 1..10000, desc: "Limit the number of returned data points, default to 30."
optional :period, type: Integer, default: 1, values: [1, 5, 15, 30, 60, 120, 240, 360, 720, 1440, 4320, 10080], desc: "Time period of K line, default to 1. You can choose between 1, 5, 15, 30, 60, 120, 240, 360, 720, 1440, 4320, 10080"
optional :timestamp, type: Integer, desc: "An integer represents the seconds elapsed since Unix epoch. If set, only k-line data after that time will be returned."
end
get "/k" do
get_k_json
end
desc "Get K data with pending trades, which are the trades not included in K data yet, because there's delay between trade generated and processed by K data generator."
params do
use :market
requires :trade_id, type: Integer, desc: "The trade id of the first trade you received."
optional :limit, type: Integer, default: 30, values: 1..10000, desc: "Limit the number of returned data points, default to 30."
optional :period, type: Integer, default: 1, values: [1, 5, 15, 30, 60, 120, 240, 360, 720, 1440, 4320, 10080], desc: "Time period of K line, default to 1. You can choose between 1, 5, 15, 30, 60, 120, 240, 360, 720, 1440, 4320, 10080"
optional :timestamp, type: Integer, desc: "An integer represents the seconds elapsed since Unix epoch. If set, only k-line data after that time will be returned."
end
get "/k_with_pending_trades" do
k = get_k_json
if params[:trade_id] > 0 && k.present?
from = Time.at k.last[0]
trades = Trade.with_market(params[:market])
.where('created_at >= ? AND id < ?', from, params[:trade_id])
.map(&:for_global)
{ k: k, trades: trades }
else
{ k: k, trades: [] }
end
end
end
end