105 lines
3.1 KiB
SQL
105 lines
3.1 KiB
SQL
PRAGMA journal_mode= WAL;
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CREATE TABLE IF NOT EXISTS ledger_internal
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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cookie_secret TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS users
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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public_key TEXT NOT NULL,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS security_types
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(
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name TEXT PRIMARY KEY
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) STRICT;
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INSERT INTO security_types(name)
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VALUES ('currency'),
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('bond');
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CREATE TABLE IF NOT EXISTS securities
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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security_type TEXT NOT NULL,
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name TEXT NOT NULL UNIQUE,
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symbol TEXT NOT NULL UNIQUE,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (security_type) REFERENCES security_types (name)
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);
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CREATE TABLE IF NOT EXISTS account_types
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(
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name TEXT PRIMARY KEY
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) STRICT;
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INSERT INTO account_types(name)
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VALUES ('checking'),
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('security_emitter');
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CREATE TABLE IF NOT EXISTS accounts
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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version INTEGER NOT NULL CHECK ( version >= 0 ),
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security INTEGER NOT NULL,
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account_type TEXT NOT NULL,
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amount INTEGER NOT NULL,
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timestamp DATETIME NOT NULL,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (security) REFERENCES securities (id),
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FOREIGN KEY (account_type) REFERENCES account_types (name)
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);
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CREATE TABLE IF NOT EXISTS accounts_history
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(
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account_id INTEGER NOT NULL,
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account_version INTEGER NOT NULL,
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amount INTEGER NOT NULL,
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timestamp DATETIME NOT NULL,
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FOREIGN KEY (account_id) REFERENCES accounts (id),
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PRIMARY KEY (account_id, account_version)
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);
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CREATE TABLE IF NOT EXISTS account_user_permissions
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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account_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (account_id) REFERENCES accounts (id),
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FOREIGN KEY (user_id) REFERENCES users (id)
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);
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CREATE TABLE IF NOT EXISTS cashed_cheques
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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drawer_user_id INTEGER NOT NULL,
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drawer_account_id INTEGER NOT NULL,
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drawer_account_version INTEGER NOT NULL,
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cheque_number INTEGER NOT NULL,
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amount INTEGER NOT NULL,
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underlying_security INTEGER NOT NULL,
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payee_user_id INTEGER NOT NULL,
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payee_account_id INTEGER NOT NULL,
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payee_account_version INTEGER NOT NULL,
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creation_time DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (underlying_security) REFERENCES securities (id),
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FOREIGN KEY (drawer_user_id) REFERENCES users (id),
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FOREIGN KEY (drawer_account_id) REFERENCES accounts (id),
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FOREIGN KEY (payee_user_id) REFERENCES users (id),
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FOREIGN KEY (payee_account_id) REFERENCES accounts (id),
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CONSTRAINT double_spending UNIQUE (drawer_user_id, cheque_number) -- no double spending
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);
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