JS SDK - RPC 2.0

[ryo-casper]

Tracking issues

• https://github.com/casper-network/roadmap/issues/28
• https://github.com/casper-network/roadmap/issues/56
• https://github.com/casper-network/roadmap/issues/110

Changes at a glance

Added

• state_get_entity
• query_global_state - state_get_item
• query_balance - state_get_balance

Changed

Deprecated

Removed

Disabled by default

• state_get_auction_info
• speculative_exec_txn - different port
• speculative_exec - different port

List of whole RPC

Playground https://docs.google.com/document/d/16UYaJBvG5r6nnJ7QrUmeHXdGbnpbp3zA80FUYxmpNBA/edit#heading=h.gf3io9w6gvz8