Implement eosio.fees CONTRACT

[DenisCarriere]

Purpose

Create eosio.fees contract to allow handling of incoming system fees.

Feedback provided by

• @DenisCarriere
• @nsjames
• Tim Weston / Rob

Preconditions

• should only trigger once per epoch period in seconds (ex: every 10 minutes)
• should apply fee logic on existing EOS balance
• fee logic should implements the following fee redistribution mechanism:
  • donatetorex
  • buyram + ramburn
• fee logic should allow percentage configurations to adjust which redistribution mechanism is used (can be full or partial)

References

• Implement "Donate to REX" ACTON #118
• https://github.com/eosnetworkfoundation/eosio.saving
• https://github.com/eosnetworkfoundation/eosio.wram

Note: eosio.fee contract be built outside of system contract repo, see eosio.wram or eosio.saving as example.

[DenisCarriere]

Implemented via: https://github.com/eosnetworkfoundation/eosio.fees