class CreateActiveHashcashStamps

Successful hashcash stamp are stored in the database. This migration creates the table for the model ActiveHashcash::Stamp. Run the following commands to add it to your Rails application:

rails active_hashcash:install:migrations
rails db:migrate

Public Instance Methods

change ()

# File db/migrate/20240215143453_create_active_hashcash_stamps.rb, line 9
def change
  create_table :active_hashcash_stamps do |t|
    t.string :version, null: false
    t.integer :bits, null: false
    t.date :date, null: false
    t.string :resource, null: false
    t.string :ext, null: false
    t.string :rand, null: false
    t.string :counter, null: false
    t.string :request_path
    t.string :ip_address

    if t.respond_to?(:jsonb)
      t.jsonb :context # SQLite JSONB support from version 3.45 (2024-01-15)
    elsif t.respond_to?(:json)
      t.json :context
    end

    t.timestamps
  end
  add_index :active_hashcash_stamps, [:ip_address, :created_at], where: "ip_address IS NOT NULL"
  add_index :active_hashcash_stamps, [:counter, :rand, :date, :resource, :bits, :version, :ext], name: "index_active_hashcash_stamps_unique", unique: true
end