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Migrate Slot Depositors in Crowdloan Migration #5173
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shawntabrizi
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emostov
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emostov
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Mar 23, 2022
| let account_info = frame_system::Account::<T>::take(old_fund_account); | ||
| frame_system::Account::<T>::insert(new_fund_account, account_info); | ||
| let account_info = frame_system::Account::<T>::take(&old_fund_account); | ||
| frame_system::Account::<T>::insert(&new_fund_account, account_info); |
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Just to make sure I understand, if this migration runs twice things break; we would overwrite new_fund_account here with some empty info?
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Yes, but not sure if there is a way around this...
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you can and should guard the migration by something, either StorageVersion, custom storage, or at the minimum spec_verion
emostov
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Generally looks good - only potential issue I see is #5173 (comment)
kianenigma
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Mar 24, 2022
kianenigma
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kianenigma
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kianenigma
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kianenigma
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Co-authored-by: Kian Paimani <[email protected]>
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This PR fixes an issue with the existing Crowdloan migration (#4772), where the deposits tracking in the Slots pallet was not migrated to the new accounts.