CREATE TABLE IF NOT EXISTS users
(
    id         INTEGER PRIMARY KEY AUTOINCREMENT,
    name       TEXT NOT NULL,
    public_key TEXT NOT NULL,
    foo        INTEGER
);

CREATE TABLE IF NOT EXISTS security_types
(
    name TEXT PRIMARY KEY
);

INSERT INTO security_types(name)
VALUES ('currency'), ('bond');

CREATE TABLE IF NOT EXISTS securities
(
    id            INTEGER PRIMARY KEY AUTOINCREMENT,
    security_type TEXT NOT NULL,
    name          TEXT NOT NULL UNIQUE,
    symbol        TEXT NOT NULL UNIQUE,
    FOREIGN KEY (security_type) REFERENCES security_types (name)
);

CREATE TABLE IF NOT EXISTS account
(
    id       INTEGER PRIMARY KEY AUTOINCREMENT,
    security INTEGER NOT NULL,
    owner    INTEGER NOT NULL,

    FOREIGN KEY (security) REFERENCES securities (id)
);

CREATE TABLE IF NOT EXISTS account_values
(
    id INTEGER PRIMARY KEY AUTOINCREMENT
);