from libra_client.cli.command import json_print_in_cmd
from libra_client.cli.dual_command import DualCommand
from datetime import datetime
class LedgerCmd(DualCommand):
def get_aliases(self):
return ["ledger", "lg"]
def get_description(self):
return "show ledger info of Libra blockchain"
def execute(self, client, params, **kwargs):
commands = [
LedgerCmdInfo(),
LedgerCmdTime()
]
self.subcommand_execute(params[0], commands, client, params[1:], **kwargs)
class LedgerCmdInfo(DualCommand):
def get_aliases(self):
return ["info", "i"]
def get_description(self):
return "Get the latest ledger info of Libra blockchain"
def execute(self, client, params, **kwargs):
client = self.get_real_client(client, **kwargs)
info = client.get_latest_ledger_info()
json_print_in_cmd(info.to_json_serializable())
class LedgerCmdTime(DualCommand):
def get_aliases(self):
return ["time", "t"]
def get_description(self):
return "Get the start and latest ledger time of Libra blockchain"
def execute(self, client, params, **kwargs):
client = self.get_real_client(client, **kwargs)
start_time = client.get_transaction(1).transaction.timestamp_usecs
latest_time = client.get_metadata().timestamp
start_time = datetime.fromtimestamp(start_time / 1000_000)
latest_time = datetime.fromtimestamp(latest_time / 1000_000)
json_print_in_cmd({
"start_time": start_time.strftime("%Y-%m-%dT%H:%M:%S"),
"latest_time": latest_time.strftime("%Y-%m-%dT%H:%M:%S")
}, sort_keys=False)
