Merge pull request #1504 from c9s/edwin/okx/implement-ping-interval · c9s/bbgo@8ceadd8

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

Unexpected input(s) 'reporter', 'fail_on_error', valid inputs are ['entryPoint', 'args', 'config', 'exclude', 'path']

should have a package comment

exported method PerTrade.Bind should have comment or be unexported

exported type PerTrade should have comment or be unexported

exported type RiskController should have comment or be unexported