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jwinterm
fad2a695bd
A browser-based roguelike synchronized with crypto block timing. A run is a race against the next block: reach the exit before the block lands, or the house wins. The same codebase runs the solo dungeon, the social Tavern, and operator-selected PvP and race rulesets, with separate free and paid leaderboards. Self-hostable under the MIT License. See README.md to run it, docs/ARCHITECTURE.md for the design, and docs/DEPLOY.md to operate an instance.
13 lines
664 B
SQL
13 lines
664 B
SQL
-- Migration 023: Payment safety: one game per confirmed single_game payment
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--
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-- M3: claiming a confirmed single_game payment must be atomic. The application locks the
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-- payment row FOR UPDATE while linking the game, but this partial unique index is the
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-- final backstop: at most one games row may reference a given payment_id. A concurrent
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-- start that races past the lock hits a 23505 unique_violation (handled gracefully in
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-- gameModeManager._processGameStartWithPayment as "already consumed"), so a single paid
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-- entry can never spawn two games.
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CREATE UNIQUE INDEX IF NOT EXISTS idx_games_payment_id
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ON games(payment_id)
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WHERE payment_id IS NOT NULL;
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