Allow batching of transactions, including publishes/updates

[tzarebczan]

The Issue

The SDK should allow support for batching of transactions. This will make large claim updates or publishes possible in a single transaction, which is especially useful for YouTube sync claim updates we plan to make after adding new metadata.

On the transaction list side, should these appear as a single entry with a "batch" tx type/details area?

System Configuration

• LBRY Daemon version:
• LBRY App version:
• LBRY Installation ID:
• Operating system:

Anything Else

Screenshots

Internal Use

Acceptance Criteria

Definition of Done

• Tested against acceptance criteria
• Tested against the assumptions of user story
• The project builds without errors
• Unit tests are written and passing
• Tests on devices/browsers listed in the issue have passed
• QA performed & issues resolved
• Refactoring completed
• Any configuration or build changes documented
• Documentation updated
• Peer Code Review performed

[tzarebczan]

Reopening this because it's also a potential solution to what Niko is running into with mass updating/publishing on YouTube sync.

I think there are many more use cases for this in the app and other mass publishing program as well. One example is a user who clears their channel key and wants to republish/update all his content using the new one.

[tzarebczan]

We have scenarios where users may want to move all their claims from one channel to another, or all anonymous claims (or some subset of claim ids) to a channel.

[jessopb]

We discussed how various tools might want to batch transactions for tips, supports, reposts, etc.
In short discussion, Lex said he most supported doing lbrynet --batch=[<some list of commands>]

[jessopb]

Doing anything wholesale with the sdk requires coin_selection_strategy: prefer_conirmed, requires the --blocking flag, and requires pre account_fund ing a large number of addresses. Going forward, it would be good to be able to batch a list of transaction commands.