23 lines
978 B
Ruby
23 lines
978 B
Ruby
# encoding: UTF-8
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# frozen_string_literal: true
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class CreateMarkets < ActiveRecord::Migration[4.2]
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def change
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create_table :markets do |t|
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t.string :ask_unit, null: false, limit: 5, index: true
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t.string :bid_unit, null: false, limit: 5, index: true
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t.decimal :ask_fee, null: false, default: 0, precision: 7, scale: 6
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t.decimal :bid_fee, null: false, default: 0, precision: 7, scale: 6
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t.integer :ask_precision, null: false, limit: 1, default: 4
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t.integer :bid_precision, null: false, limit: 1, default: 4
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t.integer :position, null: false, default: 0, index: true
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t.boolean :visible, null: false, default: true, index: true
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t.timestamps null: false
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end
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change_column :markets, :id, :string, limit: 10
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add_index :markets, %i[ ask_unit bid_unit ], unique: true
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end
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end
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