Release notes

1.2.0

• support blockchain upgrade in lower level.

1.0.7

• depends on circle-common with version 1.0.6
• move user machine to circle-world project

1.0.6

• support sensitive data encrypted in log
• when new user is registered, send 1000cc to him/her.

1.0.5

• support search tx and assets in transaction pool

1.0.4

• Unit Test code optimaziation
• add security codes for login and register apis
• add Auto mine function

1.0.3

• log optimaztion.

1.0.2

• support first utxo transaction