# 2025-03-09 ## Decisions - Chose to use SQLite for mempool storage - Approved the addition of chain_id to all tables ## Learnings - SQLite WAL mode can cause schema confusion during migrations - Always checkpoint WAL before inspecting DB ## Facts - Chain ID: ait-devnet - Mempool DB: separate from chain DB ## Actions - Add chain_id to mempool table - Implement /rpc/mempool endpoint