Implement read quorum #369
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Define a new function in the P2P module to handle message sending to multiple nodes and handle reads using monotonic quorum reads. The closest node is used to fetch the first results and others results are fetched from a subgroup defined by a consistency level argument. The results should be newer than the prior one, based on some conflict resolver function passsed as argument.
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Description
This PR makes P2P calls more consistent by requesting multiple nodes using read quorum.
It manages the conflict resolution through custom function.
This should bring more consistency by reducing stale data.
Fixes #332
Type of change
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Checklist: