101 lines
2.8 KiB
Ruby
101 lines
2.8 KiB
Ruby
# encoding: UTF-8
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# frozen_string_literal: true
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class OrderAsk < Order
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scope :matching_rule, -> { order(price: :asc, created_at: :asc) }
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class << self
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def get_depth(market_id)
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where(market_id: market_id, state: :wait)
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.where.not(ord_type: :market)
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.order(price: :asc)
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.group(:price)
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.sum(:volume)
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.to_a
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end
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end
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# @deprecated
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def hold_account
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member.get_account(ask)
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end
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# @deprecated
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def hold_account!
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Account.lock.find_by!(member_id: member_id, currency_id: ask)
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end
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def expect_account
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member.get_account(bid)
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end
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def expect_account!
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Account.lock.find_by!(member_id: member_id, currency_id: bid)
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end
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def avg_price
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return ::Trade::ZERO if funds_used.zero?
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market.round_price(funds_received / funds_used)
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end
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# @deprecated Please use {income/outcome_currency} in Order model
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def currency
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Currency.find(ask)
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end
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def income_currency
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bid_currency
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end
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def outcome_currency
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ask_currency
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end
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def compute_locked
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case ord_type
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when 'limit'
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volume
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when 'market'
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estimate_required_funds(OrderBid.get_depth(market_id)) {|_p, v| v}
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end
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end
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end
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# == Schema Information
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# Schema version: 20201125134745
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#
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# Table name: orders
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#
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# id :integer not null, primary key
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# uuid :binary(16) not null
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# remote_id :string(255)
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# bid :string(10) not null
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# ask :string(10) not null
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# market_id :string(20) not null
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# price :decimal(32, 16)
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# volume :decimal(32, 16) not null
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# origin_volume :decimal(32, 16) not null
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# maker_fee :decimal(17, 16) default(0.0), not null
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# taker_fee :decimal(17, 16) default(0.0), not null
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# state :integer not null
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# type :string(8) not null
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# member_id :integer not null
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# ord_type :string(30) not null
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# locked :decimal(32, 16) default(0.0), not null
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# origin_locked :decimal(32, 16) default(0.0), not null
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# funds_received :decimal(32, 16) default(0.0)
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# trades_count :integer default(0), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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# Indexes
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#
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# index_orders_on_member_id (member_id)
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# index_orders_on_state (state)
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# index_orders_on_type_and_market_id (type,market_id)
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# index_orders_on_type_and_member_id (type,member_id)
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# index_orders_on_type_and_state_and_market_id (type,state,market_id)
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# index_orders_on_type_and_state_and_member_id (type,state,member_id)
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# index_orders_on_updated_at (updated_at)
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# index_orders_on_uuid (uuid) UNIQUE
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#
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