CREATE TABLE crates (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,name VARCHAR(255) NOT NULL UNIQUE);CREATE TABLE crate_versions (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,crate_id INTEGER NOT NULL,version VARCHAR(255) NOT NULL,filesystem_object VARCHAR(255) NOT NULL,yanked BOOLEAN NOT NULL DEFAULT FALSE,checksum VARCHAR(255) NOT NULL,dependencies BLOB NOT NULL,features BLOB NOT NULL,links VARCHAR(255),UNIQUE (crate_id, version),FOREIGN KEY (crate_id) REFERENCES crates (id));CREATE TABLE users (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,username VARCHAR(255) NOT NULL UNIQUE);CREATE TABLE user_ssh_keys (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,user_id INTEGER NOT NULL,ssh_key BLOB NOT NULL,FOREIGN KEY (user_id) REFERENCES users (id));CREATE TABLE user_api_keys (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,user_id INTEGER NOT NULL,api_key VARCHAR(255) NOT NULL UNIQUE,user_ssh_key_id INTEGER,expires_at DATETIME,FOREIGN KEY (user_id) REFERENCES users (id)FOREIGN KEY (user_ssh_key_id) REFERENCES user_ssh_keys (id));CREATE TABLE user_crate_permissions (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,user_id INTEGER NOT NULL,crate_id INTEGER NOT NULL,permissions INTEGER NOT NULL,UNIQUE (user_id, crate_id),FOREIGN KEY (user_id) REFERENCES users (id)FOREIGN KEY (crate_id) REFERENCES crates (id));