cosmos-sdk/docs/_attic/WIP-lamborghini-distribution/end_block.md

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End Block

At each endblock, the fees received are sorted to the proposer, community fund, and global pool. When the validator is the proposer of the round, that validator (and their delegators) receives between 1% and 5% of fee rewards, the reserve tax is then charged, then the remainder is distributed proportionally by voting power to all bonded validators independent of whether they voted (social distribution). Note the social distribution is applied to proposer validator in addition to the proposer reward.

The amount of proposer reward is calculated from pre-commits Tendermint messages in order to incentivize validators to wait and include additional pre-commits in the block. All provision rewards are added to a provision reward pool which validator holds individually (ValidatorDistribution.ProvisionsRewardPool).

func SortFees(feesCollected sdk.Coins, global Global, proposer ValidatorDistribution, 
              sumPowerPrecommitValidators, totalBondedTokens, communityTax sdk.Dec)

     feesCollectedDec = MakeDecCoins(feesCollected)
     proposerReward = feesCollectedDec * (0.01 + 0.04 
                       * sumPowerPrecommitValidators / totalBondedTokens)
     proposer.ProposerPool += proposerReward
     
     communityFunding = feesCollectedDec * communityTax
     global.CommunityFund += communityFunding
     
     poolReceived = feesCollectedDec - proposerReward - communityFunding
     global.Pool += poolReceived
     global.EverReceivedPool += poolReceived
     global.LastReceivedPool = poolReceived

     SetValidatorDistribution(proposer)
     SetGlobal(global)