feat: streaming history sync

[r4mmer]

Streamming history sync

The client will send a request:history:<method> where method is either xpub or manual to start syncing the history of a wallet through the websocket connection with the fullnode.
The difference between xpub and manual modes is that in xpub mode we send the xpubkey and the addresses are derived on the fullnode and on manual mode we derive the addresses and send the list of addresses the fullnode has to iterate over.

Once the stream starts the fullnode will start streaming the addresses and history.

It will send stream:history:address with an address, this marks the end of the history from the last address.
All transactions after this will be on this address history (until the next address event is received).

It will send stream:history:vertex with a transaction on the wallet history.

It will send stream:history:end when all addresses and transactions were sent.

It will send a stream:history:error when an error happens on the fullnode and we should stop the streamming.

Acceptance Criteria

• Allow configuring a wallet to use another method of history sync.
• Implement a streamming history sync method (client to the API implemented here).
• Create tests with a mocked websocket server implementation.

Security Checklist

• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.

[codecov]

Codecov Report

Attention: Patch coverage is 86.25592% with 29 lines in your changes missing coverage. Please review.

Project coverage is 80.42%. Comparing base (0e689ed) to head (8fe87ef).

Files	Patch %	Lines
src/sync/stream.ts	86.20%	20 Missing ⚠️
src/new/connection.ts	78.94%	8 Missing ⚠️
src/new/wallet.js	94.11%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #706       +/-   ##
===========================================
+ Coverage   63.52%   80.42%   +16.90%     
===========================================
  Files          77       78        +1     
  Lines        5957     6156      +199     
  Branches     1303     1341       +38     
===========================================
+ Hits         3784     4951     +1167     
+ Misses       2075     1187      -888     
+ Partials       98       18       -80     

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