test

bech32 prefix migration test

This script is for testing the data store migration for bech32 prefix change in v2.0.0 upgrade.

It imports a genesis state into test app, runs the migration code, then runs test cases and export the resultant state.

Usage

1. Export state from mainnet / testnet node.

The file structure is: (default structure of liked export)

{
  "app_state": {...}
}

1. Run the script:

go run ./migrate.go /path/to/input_state.json /path/to/output_state.json

System requirement

• 8 core cpu
• 32GB RAM + 32GB Swap

Note 64GB of memory will be used in total. Using swap file on lower end machine can avoid OOM crashes but will lengthen the processing time significantly.