mirror of
https://github.com/scsibug/nostr-rs-relay.git
synced 2024-11-22 09:09:07 -05:00
refactor: create schema module
This commit is contained in:
Greg Heartsfield
parent
753df47443
commit
7056aae227
244
src/db.rs
244
src/db.rs
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@ -6,6 +6,7 @@ use crate::event::Event;
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use crate::hexrange::hex_range;
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use crate::hexrange::HexSearch;
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use crate::nip05;
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use crate::schema::{upgrade_db, STARTUP_SQL};
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use crate::subscription::Subscription;
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use crate::utils::is_hex;
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use governor::clock::Clock;
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@ -14,7 +15,6 @@ use hex;
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use log::*;
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use r2d2;
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use r2d2_sqlite::SqliteConnectionManager;
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use rusqlite::limits::Limit;
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use rusqlite::params;
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use rusqlite::types::ToSql;
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use rusqlite::Connection;
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@ -30,105 +30,6 @@ pub type PooledConnection = r2d2::PooledConnection<r2d2_sqlite::SqliteConnection
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/// Database file
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pub const DB_FILE: &str = "nostr.db";
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/// Startup DB Pragmas
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const STARTUP_SQL: &str = r##"
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PRAGMA main.synchronous=NORMAL;
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PRAGMA foreign_keys = ON;
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pragma mmap_size = 536870912; -- 512MB of mmap
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"##;
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/// Schema definition
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const INIT_SQL: &str = r##"
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-- Database settings
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PRAGMA encoding = "UTF-8";
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PRAGMA journal_mode=WAL;
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PRAGMA main.synchronous=NORMAL;
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PRAGMA foreign_keys = ON;
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PRAGMA application_id = 1654008667;
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PRAGMA user_version = 4;
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-- Event Table
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CREATE TABLE IF NOT EXISTS event (
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id INTEGER PRIMARY KEY,
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event_hash BLOB NOT NULL, -- 4-byte hash
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first_seen INTEGER NOT NULL, -- when the event was first seen (not authored!) (seconds since 1970)
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created_at INTEGER NOT NULL, -- when the event was authored
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author BLOB NOT NULL, -- author pubkey
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kind INTEGER NOT NULL, -- event kind
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hidden INTEGER, -- relevant for queries
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content TEXT NOT NULL -- serialized json of event object
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);
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-- Event Indexes
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CREATE UNIQUE INDEX IF NOT EXISTS event_hash_index ON event(event_hash);
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CREATE INDEX IF NOT EXISTS created_at_index ON event(created_at);
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CREATE INDEX IF NOT EXISTS author_index ON event(author);
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CREATE INDEX IF NOT EXISTS kind_index ON event(kind);
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-- Tag Table
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-- Tag values are stored as either a BLOB (if they come in as a
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-- hex-string), or TEXT otherwise.
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-- This means that searches need to select the appropriate column.
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CREATE TABLE IF NOT EXISTS tag (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains a tag.
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name TEXT, -- the tag name ("p", "e", whatever)
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value TEXT, -- the tag value, if not hex.
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value_hex BLOB, -- the tag value, if it can be interpreted as a hex string.
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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CREATE INDEX IF NOT EXISTS tag_val_index ON tag(value);
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CREATE INDEX IF NOT EXISTS tag_val_hex_index ON tag(value_hex);
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-- Event References Table
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CREATE TABLE IF NOT EXISTS event_ref (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains an #e tag.
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referenced_event BLOB NOT NULL, -- the event that is referenced.
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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-- Event References Index
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CREATE INDEX IF NOT EXISTS event_ref_index ON event_ref(referenced_event);
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-- Pubkey References Table
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CREATE TABLE IF NOT EXISTS pubkey_ref (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains an #p tag.
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referenced_pubkey BLOB NOT NULL, -- the pubkey that is referenced.
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE RESTRICT ON DELETE CASCADE
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);
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-- Pubkey References Index
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CREATE INDEX IF NOT EXISTS pubkey_ref_index ON pubkey_ref(referenced_pubkey);
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-- NIP-05 User Validation.
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-- This represents the validation of a user.
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-- cases;
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-- we query, and find a valid result. update verified_at, and proceed.
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-- we query, and get a 404/503/host down. update failed_at, and we are done.
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-- we query, and get a 200, but the local part is not present with the given address. wipe out verified_at, update failed_at.
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-- we need to know how often to query failing validations.
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-- two cases, either we get a NIP-05 metadata event regularly that we can use to restart validation.
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-- or, we simply get lots of non-metadata events, but the user fixed their NIP-05 host.
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-- what should trigger a new attempt? what should trigger cleaning?
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-- we will never write anything to the table if it is not valid at least once.
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-- we will keep trying at frequency X to re-validate the already-valid nip05s.
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-- incoming metadata events with nip05
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CREATE TABLE IF NOT EXISTS user_verification (
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id INTEGER PRIMARY KEY,
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metadata_event INTEGER NOT NULL, -- the metadata event used for this validation.
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name TEXT NOT NULL, -- the nip05 field value (user@domain).
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verified_at INTEGER, -- timestamp this author/nip05 was most recently verified.
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failed_at INTEGER, -- timestamp a verification attempt failed (host down).
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failure_count INTEGER DEFAULT 0, -- number of consecutive failures.
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FOREIGN KEY(metadata_event) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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"##;
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// TODO: drop the pubkey_ref and event_ref tables
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/// Build a database connection pool.
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pub fn build_pool(
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name: &str,
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@ -173,142 +74,6 @@ pub fn build_conn(flags: OpenFlags) -> Result<Connection> {
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Ok(Connection::open_with_flags(&full_path, flags)?)
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}
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/// Upgrade DB to latest version, and execute pragma settings
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pub fn upgrade_db(conn: &mut PooledConnection) -> Result<()> {
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// check the version.
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let mut curr_version = db_version(conn)?;
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info!("DB version = {:?}", curr_version);
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debug!(
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"SQLite max query parameters: {}",
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conn.limit(Limit::SQLITE_LIMIT_VARIABLE_NUMBER)
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);
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debug!(
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"SQLite max table/blob/text length: {} MB",
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(conn.limit(Limit::SQLITE_LIMIT_LENGTH) as f64 / (1024 * 1024) as f64).floor()
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);
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debug!(
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"SQLite max SQL length: {} MB",
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(conn.limit(Limit::SQLITE_LIMIT_SQL_LENGTH) as f64 / (1024 * 1024) as f64).floor()
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);
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// initialize from scratch
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if curr_version == 0 {
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match conn.execute_batch(INIT_SQL) {
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Ok(()) => {
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info!("database pragma/schema initialized to v4, and ready");
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}
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Err(err) => {
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error!("update failed: {}", err);
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panic!("database could not be initialized");
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}
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}
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}
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if curr_version == 1 {
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// only change is adding a hidden column to events.
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let upgrade_sql = r##"
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ALTER TABLE event ADD hidden INTEGER;
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UPDATE event SET hidden=FALSE;
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PRAGMA user_version = 2;
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"##;
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match conn.execute_batch(upgrade_sql) {
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Ok(()) => {
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info!("database schema upgraded v1 -> v2");
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curr_version = 2;
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}
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Err(err) => {
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error!("update failed: {}", err);
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panic!("database could not be upgraded");
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}
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}
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}
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if curr_version == 2 {
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// this version lacks the tag column
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debug!("database schema needs update from 2->3");
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let upgrade_sql = r##"
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CREATE TABLE IF NOT EXISTS tag (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains a tag.
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name TEXT, -- the tag name ("p", "e", whatever)
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value TEXT, -- the tag value, if not hex.
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value_hex BLOB, -- the tag value, if it can be interpreted as a hex string.
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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PRAGMA user_version = 3;
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"##;
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// TODO: load existing refs into tag table
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match conn.execute_batch(upgrade_sql) {
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Ok(()) => {
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info!("database schema upgraded v2 -> v3");
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curr_version = 3;
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}
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Err(err) => {
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error!("update failed: {}", err);
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panic!("database could not be upgraded");
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}
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}
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info!("Starting transaction");
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// iterate over every event/pubkey tag
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let tx = conn.transaction()?;
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{
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let mut stmt = tx.prepare("select event_id, \"e\", lower(hex(referenced_event)) from event_ref union select event_id, \"p\", lower(hex(referenced_pubkey)) from pubkey_ref;")?;
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let mut tag_rows = stmt.query([])?;
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while let Some(row) = tag_rows.next()? {
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// we want to capture the event_id that had the tag, the tag name, and the tag hex value.
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let event_id: u64 = row.get(0)?;
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let tag_name: String = row.get(1)?;
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let tag_value: String = row.get(2)?;
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// this will leave behind p/e tags that were non-hex, but they are invalid anyways.
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if is_hex(&tag_value) {
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tx.execute(
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"INSERT INTO tag (event_id, name, value_hex) VALUES (?1, ?2, ?3);",
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params![event_id, tag_name, hex::decode(&tag_value).ok()],
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)?;
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}
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}
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}
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tx.commit()?;
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info!("Upgrade complete");
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}
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if curr_version == 3 {
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debug!("database schema needs update from 3->4");
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let upgrade_sql = r##"
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-- incoming metadata events with nip05
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CREATE TABLE IF NOT EXISTS user_verification (
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id INTEGER PRIMARY KEY,
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metadata_event INTEGER NOT NULL, -- the metadata event used for this validation.
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name TEXT NOT NULL, -- the nip05 field value (user@domain).
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verified_at INTEGER, -- timestamp this author/nip05 was most recently verified.
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failed_at INTEGER, -- timestamp a verification attempt failed (host down).
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failure_count INTEGER DEFAULT 0, -- number of consecutive failures.
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FOREIGN KEY(metadata_event) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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CREATE INDEX IF NOT EXISTS user_verification_author_index ON user_verification(author);
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CREATE INDEX IF NOT EXISTS user_verification_author_index ON user_verification(author);
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PRAGMA user_version = 4;
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"##;
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// TODO: load existing refs into tag table
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match conn.execute_batch(upgrade_sql) {
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Ok(()) => {
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info!("database schema upgraded v3 -> v4");
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//curr_version = 4;
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}
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Err(err) => {
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error!("update failed: {}", err);
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panic!("database could not be upgraded");
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}
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}
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} else if curr_version == 4 {
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debug!("Database version was already current");
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} else if curr_version > 3 {
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panic!("Database version is newer than supported by this executable");
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}
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// Setup PRAGMA
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conn.execute_batch(STARTUP_SQL)?;
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debug!("SQLite PRAGMA startup completed");
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Ok(())
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}
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/// Spawn a database writer that persists events to the SQLite store.
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pub async fn db_writer(
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mut event_rx: tokio::sync::mpsc::Receiver<Event>,
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@ -473,13 +238,6 @@ pub async fn db_writer(
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})
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}
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/// Determine the current application database schema version.
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pub fn db_version(conn: &mut Connection) -> Result<usize> {
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let query = "PRAGMA user_version;";
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let curr_version = conn.query_row(query, [], |row| row.get(0))?;
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Ok(curr_version)
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}
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/// Persist an event to the database, returning rows added.
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pub fn write_event(conn: &mut PooledConnection, e: &Event) -> Result<usize> {
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// start transaction
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@ -2,6 +2,7 @@ pub mod close;
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pub mod config;
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pub mod conn;
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pub mod db;
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pub mod schema;
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pub mod error;
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pub mod event;
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pub mod hexrange;
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250
src/schema.rs
Normal file
250
src/schema.rs
Normal file
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@ -0,0 +1,250 @@
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//! Database schema and migrations
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use crate::db::PooledConnection;
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use crate::error::Result;
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use crate::utils::is_hex;
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use log::*;
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use rusqlite::limits::Limit;
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use rusqlite::params;
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use rusqlite::Connection;
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// TODO: drop the pubkey_ref and event_ref tables
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/// Startup DB Pragmas
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pub const STARTUP_SQL: &str = r##"
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PRAGMA main.synchronous=NORMAL;
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PRAGMA foreign_keys = ON;
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pragma mmap_size = 536870912; -- 512MB of mmap
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"##;
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/// Schema definition
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const INIT_SQL: &str = r##"
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-- Database settings
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PRAGMA encoding = "UTF-8";
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PRAGMA journal_mode=WAL;
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PRAGMA main.synchronous=NORMAL;
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PRAGMA foreign_keys = ON;
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PRAGMA application_id = 1654008667;
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PRAGMA user_version = 4;
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-- Event Table
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CREATE TABLE IF NOT EXISTS event (
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id INTEGER PRIMARY KEY,
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event_hash BLOB NOT NULL, -- 4-byte hash
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first_seen INTEGER NOT NULL, -- when the event was first seen (not authored!) (seconds since 1970)
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created_at INTEGER NOT NULL, -- when the event was authored
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author BLOB NOT NULL, -- author pubkey
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kind INTEGER NOT NULL, -- event kind
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hidden INTEGER, -- relevant for queries
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content TEXT NOT NULL -- serialized json of event object
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);
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-- Event Indexes
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CREATE UNIQUE INDEX IF NOT EXISTS event_hash_index ON event(event_hash);
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CREATE INDEX IF NOT EXISTS created_at_index ON event(created_at);
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CREATE INDEX IF NOT EXISTS author_index ON event(author);
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CREATE INDEX IF NOT EXISTS kind_index ON event(kind);
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-- Tag Table
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-- Tag values are stored as either a BLOB (if they come in as a
|
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-- hex-string), or TEXT otherwise.
|
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-- This means that searches need to select the appropriate column.
|
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CREATE TABLE IF NOT EXISTS tag (
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id INTEGER PRIMARY KEY,
|
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event_id INTEGER NOT NULL, -- an event ID that contains a tag.
|
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name TEXT, -- the tag name ("p", "e", whatever)
|
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value TEXT, -- the tag value, if not hex.
|
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value_hex BLOB, -- the tag value, if it can be interpreted as a hex string.
|
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
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);
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CREATE INDEX IF NOT EXISTS tag_val_index ON tag(value);
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CREATE INDEX IF NOT EXISTS tag_val_hex_index ON tag(value_hex);
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-- Event References Table
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CREATE TABLE IF NOT EXISTS event_ref (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains an #e tag.
|
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referenced_event BLOB NOT NULL, -- the event that is referenced.
|
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
|
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);
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-- Event References Index
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CREATE INDEX IF NOT EXISTS event_ref_index ON event_ref(referenced_event);
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-- Pubkey References Table
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CREATE TABLE IF NOT EXISTS pubkey_ref (
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id INTEGER PRIMARY KEY,
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event_id INTEGER NOT NULL, -- an event ID that contains an #p tag.
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referenced_pubkey BLOB NOT NULL, -- the pubkey that is referenced.
|
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FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE RESTRICT ON DELETE CASCADE
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);
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-- Pubkey References Index
|
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CREATE INDEX IF NOT EXISTS pubkey_ref_index ON pubkey_ref(referenced_pubkey);
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|
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-- NIP-05 User Validation.
|
||||
-- This represents the validation of a user.
|
||||
-- cases;
|
||||
-- we query, and find a valid result. update verified_at, and proceed.
|
||||
-- we query, and get a 404/503/host down. update failed_at, and we are done.
|
||||
-- we query, and get a 200, but the local part is not present with the given address. wipe out verified_at, update failed_at.
|
||||
-- we need to know how often to query failing validations.
|
||||
-- two cases, either we get a NIP-05 metadata event regularly that we can use to restart validation.
|
||||
-- or, we simply get lots of non-metadata events, but the user fixed their NIP-05 host.
|
||||
-- what should trigger a new attempt? what should trigger cleaning?
|
||||
-- we will never write anything to the table if it is not valid at least once.
|
||||
-- we will keep trying at frequency X to re-validate the already-valid nip05s.
|
||||
|
||||
-- incoming metadata events with nip05
|
||||
CREATE TABLE IF NOT EXISTS user_verification (
|
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id INTEGER PRIMARY KEY,
|
||||
metadata_event INTEGER NOT NULL, -- the metadata event used for this validation.
|
||||
name TEXT NOT NULL, -- the nip05 field value (user@domain).
|
||||
verified_at INTEGER, -- timestamp this author/nip05 was most recently verified.
|
||||
failed_at INTEGER, -- timestamp a verification attempt failed (host down).
|
||||
failure_count INTEGER DEFAULT 0, -- number of consecutive failures.
|
||||
FOREIGN KEY(metadata_event) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
|
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);
|
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"##;
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|
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/// Determine the current application database schema version.
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pub fn db_version(conn: &mut Connection) -> Result<usize> {
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let query = "PRAGMA user_version;";
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let curr_version = conn.query_row(query, [], |row| row.get(0))?;
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Ok(curr_version)
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}
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|
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/// Upgrade DB to latest version, and execute pragma settings
|
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pub fn upgrade_db(conn: &mut PooledConnection) -> Result<()> {
|
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// check the version.
|
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let mut curr_version = db_version(conn)?;
|
||||
info!("DB version = {:?}", curr_version);
|
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|
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debug!(
|
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"SQLite max query parameters: {}",
|
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conn.limit(Limit::SQLITE_LIMIT_VARIABLE_NUMBER)
|
||||
);
|
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debug!(
|
||||
"SQLite max table/blob/text length: {} MB",
|
||||
(conn.limit(Limit::SQLITE_LIMIT_LENGTH) as f64 / (1024 * 1024) as f64).floor()
|
||||
);
|
||||
debug!(
|
||||
"SQLite max SQL length: {} MB",
|
||||
(conn.limit(Limit::SQLITE_LIMIT_SQL_LENGTH) as f64 / (1024 * 1024) as f64).floor()
|
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);
|
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|
||||
// initialize from scratch
|
||||
if curr_version == 0 {
|
||||
match conn.execute_batch(INIT_SQL) {
|
||||
Ok(()) => {
|
||||
info!("database pragma/schema initialized to v4, and ready");
|
||||
}
|
||||
Err(err) => {
|
||||
error!("update failed: {}", err);
|
||||
panic!("database could not be initialized");
|
||||
}
|
||||
}
|
||||
}
|
||||
if curr_version == 1 {
|
||||
// only change is adding a hidden column to events.
|
||||
let upgrade_sql = r##"
|
||||
ALTER TABLE event ADD hidden INTEGER;
|
||||
UPDATE event SET hidden=FALSE;
|
||||
PRAGMA user_version = 2;
|
||||
"##;
|
||||
match conn.execute_batch(upgrade_sql) {
|
||||
Ok(()) => {
|
||||
info!("database schema upgraded v1 -> v2");
|
||||
curr_version = 2;
|
||||
}
|
||||
Err(err) => {
|
||||
error!("update failed: {}", err);
|
||||
panic!("database could not be upgraded");
|
||||
}
|
||||
}
|
||||
}
|
||||
if curr_version == 2 {
|
||||
// this version lacks the tag column
|
||||
debug!("database schema needs update from 2->3");
|
||||
let upgrade_sql = r##"
|
||||
CREATE TABLE IF NOT EXISTS tag (
|
||||
id INTEGER PRIMARY KEY,
|
||||
event_id INTEGER NOT NULL, -- an event ID that contains a tag.
|
||||
name TEXT, -- the tag name ("p", "e", whatever)
|
||||
value TEXT, -- the tag value, if not hex.
|
||||
value_hex BLOB, -- the tag value, if it can be interpreted as a hex string.
|
||||
FOREIGN KEY(event_id) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
|
||||
);
|
||||
PRAGMA user_version = 3;
|
||||
"##;
|
||||
// TODO: load existing refs into tag table
|
||||
match conn.execute_batch(upgrade_sql) {
|
||||
Ok(()) => {
|
||||
info!("database schema upgraded v2 -> v3");
|
||||
curr_version = 3;
|
||||
}
|
||||
Err(err) => {
|
||||
error!("update failed: {}", err);
|
||||
panic!("database could not be upgraded");
|
||||
}
|
||||
}
|
||||
info!("Starting transaction");
|
||||
// iterate over every event/pubkey tag
|
||||
let tx = conn.transaction()?;
|
||||
{
|
||||
let mut stmt = tx.prepare("select event_id, \"e\", lower(hex(referenced_event)) from event_ref union select event_id, \"p\", lower(hex(referenced_pubkey)) from pubkey_ref;")?;
|
||||
let mut tag_rows = stmt.query([])?;
|
||||
while let Some(row) = tag_rows.next()? {
|
||||
// we want to capture the event_id that had the tag, the tag name, and the tag hex value.
|
||||
let event_id: u64 = row.get(0)?;
|
||||
let tag_name: String = row.get(1)?;
|
||||
let tag_value: String = row.get(2)?;
|
||||
// this will leave behind p/e tags that were non-hex, but they are invalid anyways.
|
||||
if is_hex(&tag_value) {
|
||||
tx.execute(
|
||||
"INSERT INTO tag (event_id, name, value_hex) VALUES (?1, ?2, ?3);",
|
||||
params![event_id, tag_name, hex::decode(&tag_value).ok()],
|
||||
)?;
|
||||
}
|
||||
}
|
||||
}
|
||||
tx.commit()?;
|
||||
info!("Upgrade complete");
|
||||
}
|
||||
if curr_version == 3 {
|
||||
debug!("database schema needs update from 3->4");
|
||||
let upgrade_sql = r##"
|
||||
-- incoming metadata events with nip05
|
||||
CREATE TABLE IF NOT EXISTS user_verification (
|
||||
id INTEGER PRIMARY KEY,
|
||||
metadata_event INTEGER NOT NULL, -- the metadata event used for this validation.
|
||||
name TEXT NOT NULL, -- the nip05 field value (user@domain).
|
||||
verified_at INTEGER, -- timestamp this author/nip05 was most recently verified.
|
||||
failed_at INTEGER, -- timestamp a verification attempt failed (host down).
|
||||
failure_count INTEGER DEFAULT 0, -- number of consecutive failures.
|
||||
FOREIGN KEY(metadata_event) REFERENCES event(id) ON UPDATE CASCADE ON DELETE CASCADE
|
||||
);
|
||||
CREATE INDEX IF NOT EXISTS user_verification_author_index ON user_verification(author);
|
||||
CREATE INDEX IF NOT EXISTS user_verification_author_index ON user_verification(author);
|
||||
PRAGMA user_version = 4;
|
||||
"##;
|
||||
// TODO: load existing refs into tag table
|
||||
match conn.execute_batch(upgrade_sql) {
|
||||
Ok(()) => {
|
||||
info!("database schema upgraded v3 -> v4");
|
||||
//curr_version = 4;
|
||||
}
|
||||
Err(err) => {
|
||||
error!("update failed: {}", err);
|
||||
panic!("database could not be upgraded");
|
||||
}
|
||||
}
|
||||
} else if curr_version == 4 {
|
||||
debug!("Database version was already current");
|
||||
} else if curr_version > 3 {
|
||||
panic!("Database version is newer than supported by this executable");
|
||||
}
|
||||
// Setup PRAGMA
|
||||
conn.execute_batch(STARTUP_SQL)?;
|
||||
debug!("SQLite PRAGMA startup completed");
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user