migrationcc

Chaincode for migration from old to new hlf

TOC

• migrationcc
  • TOC
  • Description
  • API
    • Init chaincode
    • Invoke requests
  • Links
  • License

Description

Chaincode for unloading the state from the channel and ensuring data migration between hlf networks

API

Init chaincode

Initializes migration chaincode setup user information for migration process

Args:

-c '{"Args":[migrationMspID,migrationUserSKI]}'

Args:

[0] migrationMspID     - msp id for user who responsible for migration process
[1] migrationUserSKI       - SKI HLF user who responsible for migration process

Invoke requests

• exportEnd - end of migration calculate the total hash of all keys and values during migration

  • NO Batch tx
  • Signed by: migration user with migrationMspID and migrationUserSKI
  • Args: [pageSize int32]
  • Applied changes: write hash of all keys and values to chaincode event

• exportChunkKV - get a set of keys and values and write hash to chaincode event

  • NO Batch tx
  • Signed by: migration user with migrationMspID and migrationUserSKI
  • Args: [pageSize int32, bookmark string, onlyKeys bool]
  • Applied changes: write hash of keys and values to chaincode event

• importChunkKV - add a set of keys and values to the state and write the hash to the chaincode event

  • NO Batch tx
  • Signed by: migration user with migrationMspID and migrationUserSKI
  • Args: [entries proto.Entries]
  • Applied changes: write keys and values to state, hash of keys and values write to chaincode event

• commitMigrationInfo - commit info about previous hlf version

  • NO Batch tx
  • Signed by: migration user with migrationMspID and migrationUserSKI
  • Args: [migrationInfo proto.MigrationInfo]
  • Applied changes: write info about previous hlf version to chaincode event

Links

License

Apache 2.0