> echo hello
-> code: OK
-> data: hello
-> data.hex: 0x68656C6C6F

> info 
-> code: OK
-> data: {"size":0}
-> data.hex: 0x7B2273697A65223A307D

> prepare_proposal "abc=123"
-> code: OK
-> log: Succeeded. Tx: abc=123

> process_proposal "abc==456"
-> code: OK
-> status: REJECT

> process_proposal "abc=123"
-> code: OK
-> status: ACCEPT

> finalize_block "abc=123"
-> code: OK
-> code: OK
-> data.hex: 0x0200000000000000

> commit 
-> code: OK

> info 
-> code: OK
-> data: {"size":1}
-> data.hex: 0x7B2273697A65223A317D

> query "abc"
-> code: OK
-> log: exists
-> height: 0
-> key: abc
-> key.hex: 616263
-> value: 123
-> value.hex: 313233

> finalize_block "def=xyz" "ghi=123"
-> code: OK
-> code: OK
-> code: OK
-> data.hex: 0x0600000000000000

> commit 
-> code: OK

> query "def"
-> code: OK
-> log: exists
-> height: 0
-> key: def
-> key.hex: 646566
-> value: xyz
-> value.hex: 78797A