Initial commit

db/migrate/20180708014826_create_blockchains.rb

@@ -0,0 +1,19 @@
+class CreateBlockchains < ActiveRecord::Migration[4.2]
+  def change
+    create_table :blockchains do |t|
+      t.string  :key,                 null: false,                index: { unique: true }
+      t.string  :name
+      t.string  :client,              null: false
+      t.string  :server
+      t.integer :height,              null: false
+      t.string  :explorer_address
+      t.string  :explorer_transaction
+      t.integer :min_confirmations,   null: false, default: 6
+      t.string  :status,              null: false,                index: true
+
+      t.timestamps null: false
+    end
+
+    add_column :currencies, :blockchain_key, :string, limit: 32, after: :id
+  end
+end