33 lines
1.7 KiB
SQL
33 lines
1.7 KiB
SQL
-- Customer PIN (docs/prd-point-coin.md F11, K8). A 6-digit PIN, separate from the
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-- login password, approves everything that moves EnakPoint or EnakCoin on the
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-- customer's request. Only its bcrypt hash is stored.
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ALTER TABLE customers
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ADD COLUMN pin_hash VARCHAR(255),
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ADD COLUMN pin_set_at TIMESTAMP WITH TIME ZONE,
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-- Kept in the database, not a cache, so it cannot be dodged by waiting for a cache
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-- to expire or by hitting another server (Q17).
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ADD COLUMN pin_failed_attempts INT NOT NULL DEFAULT 0,
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ADD COLUMN pin_locked_until TIMESTAMP WITH TIME ZONE,
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-- Outgoing transfers are held for 24 hours after a PIN reset (Q16).
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ADD COLUMN transfer_blocked_until TIMESTAMP WITH TIME ZONE,
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ADD CONSTRAINT chk_customers_pin_failed_attempts CHECK (pin_failed_attempts >= 0);
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-- Security log of PIN events. Not a balance movement, so not in wallet_transactions.
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CREATE TABLE customer_security_events (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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customer_id UUID NOT NULL REFERENCES customers(id) ON DELETE RESTRICT,
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-- PIN_SET, PIN_CHANGED, PIN_RESET, PIN_FAILED, PIN_LOCKED, PIN_REMOVED_BY_ADMIN
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event VARCHAR(30) NOT NULL,
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-- The admin, for PIN_REMOVED_BY_ADMIN.
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actor_user UUID,
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reason VARCHAR(255),
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ip_address VARCHAR(45),
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user_agent VARCHAR(255),
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created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
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CONSTRAINT chk_customer_security_events_admin CHECK (
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event <> 'PIN_REMOVED_BY_ADMIN' OR (actor_user IS NOT NULL AND reason IS NOT NULL))
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);
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CREATE INDEX idx_customer_security_events_customer_id_created_at ON customer_security_events(customer_id, created_at DESC);
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