25 lines
1.3 KiB
SQL
25 lines
1.3 KiB
SQL
-- ============================================================
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-- 表12：audit_log_national（审计日志 · 国家操作 · append-only）
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-- 用途：国家系统级别的操作审计，完全透明，不可篡改
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-- Hash chain：每行包含上一行的checksum形成链式结构
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-- ============================================================
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CREATE TABLE IF NOT EXISTS audit_log_national (
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log_id INTEGER PRIMARY KEY AUTOINCREMENT,
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operation VARCHAR(64) NOT NULL,
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actor VARCHAR(64) NOT NULL,
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target_type VARCHAR(32),
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target_id VARCHAR(64),
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details TEXT, -- JSON object
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ip_address VARCHAR(45),
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result VARCHAR(16) NOT NULL
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CHECK (result IN ('success', 'failure', 'pending')),
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checksum VARCHAR(128), -- hash chain for append-only integrity
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prev_log_id INTEGER REFERENCES audit_log_national(log_id),
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timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX IF NOT EXISTS idx_aln_operation ON audit_log_national(operation);
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CREATE INDEX IF NOT EXISTS idx_aln_actor ON audit_log_national(actor);
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CREATE INDEX IF NOT EXISTS idx_aln_timestamp ON audit_log_national(timestamp);
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