cosmos-sdk/x/distribution/abci.go

39 lines
1.3 KiB
Go

package distribution
import (
"time"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/telemetry"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
)
// BeginBlocker sets the proposer for determining distribution during endblock
// and distribute rewards for the previous block
func BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock, k keeper.Keeper) {
defer telemetry.ModuleMeasureSince(types.ModuleName, time.Now(), telemetry.MetricKeyBeginBlocker)
// determine the total power signing the block
var previousTotalPower, sumPreviousPrecommitPower int64
for _, voteInfo := range req.LastCommitInfo.GetVotes() {
previousTotalPower += voteInfo.Validator.Power
if voteInfo.SignedLastBlock {
sumPreviousPrecommitPower += voteInfo.Validator.Power
}
}
// TODO this is Tendermint-dependent
// ref https://github.com/cosmos/cosmos-sdk/issues/3095
if ctx.BlockHeight() > 1 {
previousProposer := k.GetPreviousProposerConsAddr(ctx)
k.AllocateTokens(ctx, sumPreviousPrecommitPower, previousTotalPower, previousProposer, req.LastCommitInfo.GetVotes())
}
// record the proposer for when we payout on the next block
consAddr := sdk.ConsAddress(req.Header.ProposerAddress)
k.SetPreviousProposerConsAddr(ctx, consAddr)
}