如何处理对象版本不匹配？

Question

有时我的交易会因为对象版本更改而失败. 如何可靠地避免或处理这个问题？

Chrysoprase · Accepted Answer

When your transaction fails due to an object version mismatch, it means the object youre interacting with has already been updated by another transaction before yours was processed. To handle this, you need to make sure youre always using the latest object version. You can do this by fetching fresh object data right before building and signing your transaction. This keeps your inputs in sync with the chain. If youre batching or queueing transactions, always re-check the object state just before signing to avoid stale versions. In most cases, using the latest object reference from getObject or your app state will help prevent this issue.

shamueely · Answer

When you try to update or delete an object in a system that uses versioning (like many databases or APIs), the action can fail if the objects version has changed since you last accessed it. This usually happens when another process modifies the object before your update goes through. To handle this, you should always fetch the latest version of the object just before you make any changes. If youre working in a system that supports optimistic locking, make sure your update includes the current version number, and if it fails due to a version mismatch, catch the error and retry the operation after refreshing the data. This way, you avoid overwriting newer changes made by others and reduce the chances of transaction failure due to outdated information. You can also design your system to queue changes or use merge strategies when real-time updates arent feasible. Read more on handling object version conflicts

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