artcraft/_sql/migrations_squashed/wallets/wallet_ledger_entries.sql

-- noinspection SqlDialectInspectionForFile
-- noinspection SqlNoDataSourceInspectionForFile
-- noinspection SqlResolveForFile

CREATE TABLE wallet_ledger_entries (
  -- Not used for anything except replication.
  id BIGINT(20) NOT NULL AUTO_INCREMENT,

  -- Effective "primary key" (PUBLIC)
  token VARCHAR(32) NOT NULL,

  -- Which wallet this entry corresponds to.
  wallet_token VARCHAR(32) NOT NULL,

  -- The type of ledger entry this is.
  entry_type VARCHAR(32) NOT NULL,

  -- Balance of banked credits before the event.
  -- Max value unsigned: 4,294,967,295 (U32)
  banked_credits_before INTEGER UNSIGNED NOT NULL DEFAULT 0,

  -- Balance of banked credits after the event.
  banked_credits_after INTEGER UNSIGNED NOT NULL DEFAULT 0,

  -- Balance of monthly credits before the event.
  -- Max value unsigned: 4,294,967,295 (U32)
  monthly_credits_before INTEGER UNSIGNED NOT NULL DEFAULT 0,

  -- Balance of monthly credits after the event.
  monthly_credits_after INTEGER UNSIGNED NOT NULL DEFAULT 0,

  -- ========== RECORD TIMESTAMPS ==========

  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,

  -- ========== INDICES ==========
  PRIMARY KEY (id),
  UNIQUE KEY (token),
  KEY index_wallet_token (wallet_token)

) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;