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protocol_fee package

Overview

Package protocol_fee manages fee collection and distribution for GnoSwap protocol operations.

This contract collects authorized fees from protocol operations such as swaps, pool creation, withdrawals, and staking claims, then accounts for their distribution to DevOps and GovStaker according to configurable percentages.

Distribution Targets:

  • DevOps: Development and operations fund (default 0%)
  • GovStaker: Governance-staker destination (default 100%)

Accounting:

  • reservedTokens tracks token paths with collected fees awaiting distribution.
  • Per-token allocation accumulators and distribution-history trees distinguish amounts allocated from amounts actually transferred.
  • GovStaker allocations are bucketed by token path and accrual epoch.

Key Functions:

  • DistributeProtocolFee: Distributes accumulated fees to recipients
  • SetDevOpsPct/SetGovStakerPct: Configure distribution percentages
  • AddToProtocolFee: Pulls an approved fee into the distribution queue

The contract uses a version manager pattern for upgradeable implementations.

Function

DistributeProtocolFeeByTokenPath

func DistributeProtocolFeeByTokenPath(cur realm, tokenPath string)

DistributeProtocolFeeByTokenPath distributes accumulated protocol fees reserved for one token path; an unreserved path has nothing to distribute.

Parameters:

  • cur: Current realm context; callers use cross(cur) when crossing into this realm.
  • tokenPath: token contract path whose reserved fee balance should be distributed

Halt check: returns without distributing while the Withdraw halt scope is active.

Param

Command

# WARNING: This command is running in an INSECURE mode.
# It is strongly recommended to use a hardware device for signing
# and avoid trusting any computer connected to the internet,
# as your private keys could be exposed.

gnokey maketx call -pkgpath "gno.land/r/gnoswap/protocol_fee" -func "DistributeProtocolFeeByTokenPath" -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -chainid "gnoland-1" -remote "http://127.0.0.1:26657" ADDRESSgnokey query -remote "http://127.0.0.1:26657" auth/accounts/ADDRESS
gnokey maketx call -pkgpath "gno.land/r/gnoswap/protocol_fee" -func "DistributeProtocolFeeByTokenPath" -args $'' -gas-fee 1000000ugnot -gas-wanted 1_000_000_000 -send "" -broadcast=false ADDRESS > call.tx
gnokey sign -tx-path call.tx -chainid "gnoland-1" -account-number ACCOUNTNUMBER -account-sequence SEQUENCENUMBER ADDRESS
gnokey broadcast -remote "http://127.0.0.1:26657" call.tx