multiversx-vault-pattern

When a contract executes multiple token operations in a single transaction (e.g., swap A→B, then B→C), you need to track intermediate balances without writing to storage. Storage writes are expensive and unnecessary for temporary state that only lives within one call.

| Multi-step token operations in one tx | Yes | | Need to track balances across sequential operations | Yes | | Single deposit/withdraw | No — overkill | | State that must persist across transactions | No — use storage |

記憶體中令牌分類帳模式，用於在單一交易中的多步驟操作期間追蹤中間餘額。在建立處理順序代幣作業的任何合約時使用 - 聚合器、批次處理器、原子交換或多步驟 DeFi 流程。 來源：multiversx/mx-ai-skills。

開啟你的終端機或命令列工具（如 Terminal、iTerm、Windows Terminal 等） 複製並執行以下指令：npx skills add https://github.com/multiversx/mx-ai-skills --skill multiversx-vault-pattern 安裝完成後，技能將自動設定到你的 AI 程式設計環境中，可以在 Claude Code、Cursor 或 OpenClaw 中使用