[Utility] Stake Weighted Supplier Rewards

[Olshansk]

Objective

Achieve feature parity with the Stake Weighted Servicer (now known as Supplier) Rewards.

Origin Document

• pocket-core implementation can be found here: PIP22 Stake Weighted Servicer Rewards pocket-core#1449
  • 👆 should be used as the reference for how to implement this

Goals

• Achieve stake-weighted reward parity with Morse
• Clean implementation to enable other types of reward staking tiers post mainnet
• Clear documentation of how this works

Deliverables

• Parity implementation of stake weighted rewards from Morse
• Docausrus document describing how this functionality works

Non-goals / Non-deliverables

• Redesigning the stake weighted reward mechanism

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Creator: @Olshansk
Co-Owners: @bryanchriswhite

[red-0ne]

Closed by closing #825