2021-05-07 15:13:06 -07:00
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To define the functionality that takes place during an upgrade, write a migration script. Since migration scripts manipulate legacy code, place these functions in a `legacy/` directory. For example, to write migration scripts for the bank module, place the functions in `x/bank/legacy/`. Use the recommended naming convention for these functions. For example, `v043bank` is the script that migrates this legacy package `x/bank/legacy/v043`:
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