Restore blockchain import file command #3003
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Restores the avalanche blockchain import file command that was removed in the APM cleanup. This command allows users to import blockchain configurations from JSON export files.
felipemadero
requested review from
artemanosov,
emilypi-avalabs,
jasonatran,
meaghanfitzgerald and
sukantoraymond
SayanKar
approved these changes
Nov 21, 2025
emilypi-avalabs
approved these changes
Nov 21, 2025
jasonatran
approved these changes
Nov 21, 2025
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Why this should be merged
The
avalanche blockchain import filecommand was removed in #2969 as part of the APM cleanup. However, the file-based import functionality is still useful and doesn't depend on APM, and is the inverse ofexportcommand. This PR restores the command without the APM/repository dependencies, allowing users to import blockchain configurations from JSON export files.How this works
This PR restores three files:
cmd/blockchaincmd/import_file.go- Implements theavalanche blockchain import filecommandcmd/blockchaincmd/export_test.go- Tests for export/import functionalityUpdates
cmd/blockchaincmd/import.go- Registers the commandHow this was tested
Unit test
TestExportImportSubnetpasses