CREATE TABLE accounts (
    id BIGSERIAL PRIMARY KEY,
    iri VARCHAR,
    name VARCHAR NOT NULL,
    domain VARCHAR NOT NULL,
    display_name VARCHAR DEFAULT NULL,
    public_key bytea DEFAULT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT now(),
    updated_at TIMESTAMP NOT NULL DEFAULT now()
);

CREATE UNIQUE INDEX index_accounts_on_iri ON accounts (iri);
CREATE UNIQUE INDEX index_accounts_on_name_and_domain ON accounts (name, domain);