Re-add ability to export transactions

[infinite-persistence]

Issue

Closes #4793 Export Wallet History For Taxation Purposes

Requires lbry-redux update

Screenshots

• Start:
  • 
• Fetching:
  • 
• In the unlikely-event that the fetched data couldn't be parsed:
  • 
• Fetched and file is ready:
  • 

[tzarebczan]

Took about a minute on my wallet, will try some other large ones. Not bad...

I noticed support_list is called - is that data used anywhere? we shouldn't need anything outside of transaction list.

99K may be too small for some of the larger creators, so let's add another 9. We'll deal with performance issues/run manually for others as needed.

[infinite-persistence]

I noticed support_list is called - is that data used anywhere? we shouldn't need anything outside of transaction list.

Wanted to ask that as well. @seanyesmunt, safe to remove doFetchSupports?

export function doFetchTransactions(page = 1, pageSize = 99999) {
  return dispatch => {
    dispatch(doFetchSupports());   // <---- ??
    dispatch({
      type: ACTIONS.FETCH_TRANSACTIONS_STARTED,
    });

    Lbry.transaction_list({ page, page_size: pageSize }).then(result => {
      dispatch({
        type: ACTIONS.FETCH_TRANSACTIONS_COMPLETED,
        data: {
          transactions: result.items,
        },
      });
    });
  };
}

[infinite-persistence]

Took about a minute on my wallet, will try some other large ones. Not bad...

• Pondering if we need to add notification (desktop) or toast (web) for "Transactions file ready for download".
  • Notifications Page would be better, but not available for Desktop/non-signed in users
• "Fetching data..." would then need to be something like "Fetching data; check back here later".

[infinite-persistence]

UPDATE

• Removed support-fetching
• Bumped pageSize

[infinite-persistence]

UPDATE

• Resolve conflict in changelog

REMINDER

• Another lbry-redux merge is required.