Provide alternative method to download ledger file

[jserv]

My Nano Ninja API can redirect the current ledger file preserved at
Yandex. It is convenient for Docker and/or shell scripting integration.

[zhyatt]

@BitDesert I didn't realize your API call for ledger downloads was based on the ledger file provided by @SergiySW. Can you confirm that and also let us know if you are comfortable with us listing that endpoint in the docs here?

[BitDesert]

Sure thing! It's just calls the newest file from the Yandex Disk and redirects to it:
https://github.com/BitDesert/MyNanoNinja/blob/2b4ae723eb648de7366b4446f1b3422876d76fe5/routes/api.js#L36-L47

[jserv]

Sure thing! It's just calls the newest file from the Yandex Disk and redirects to it:
https://github.com/BitDesert/MyNanoNinja/blob/2b4ae723eb648de7366b4446f1b3422876d76fe5/routes/api.js#L36-L47

By the way, can My Nano Ninja API retrieve checksum for ledger file as well?

[BitDesert]

@jserv I could provide a sha256/md5 hash if you want.

Edit:
Added both:
https://mynano.ninja/api/ledger/checksum/sha256
https://mynano.ninja/api/ledger/checksum/md5

[jserv]

Thank @BitDesert for the prompt support. I have revised the changes for sha256 checksum.

[zhyatt]

Thanks @BitDesert and @jserv for helping sort this out. @SergiySW Any issues you see with the requested update/commands?

[SergiySW]

Well, not sure if it's better to specify size of compressed ledger as 11GB (and it can change over time) or provide method to validate size as well

[jserv]

Well, not sure if it's better to specify size of compressed ledger as 11GB (and it can change over time) or provide method to validate size as well

Using file checksum integrity verification should be sufficient. This pull request makes sense to someone who is writing scripts to automate ledger file downloading.

[SergiySW]

LGTM

[zhyatt]

Thanks @jserv !