105 lines
3.3 KiB
Go
105 lines
3.3 KiB
Go
package gov
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/gov/tags"
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)
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// Called every block, process inflation, update validator set
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func EndBlocker(ctx sdk.Context, keeper Keeper) sdk.Tags {
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logger := keeper.Logger(ctx)
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resTags := sdk.NewTags()
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inactiveIterator := keeper.InactiveProposalQueueIterator(ctx, ctx.BlockHeader().Time)
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defer inactiveIterator.Close()
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for ; inactiveIterator.Valid(); inactiveIterator.Next() {
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var proposalID uint64
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keeper.cdc.MustUnmarshalBinaryLengthPrefixed(inactiveIterator.Value(), &proposalID)
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inactiveProposal, ok := keeper.GetProposal(ctx, proposalID)
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if !ok {
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panic(fmt.Sprintf("proposal %d does not exist", proposalID))
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}
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keeper.DeleteProposal(ctx, proposalID)
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keeper.DeleteDeposits(ctx, proposalID) // delete any associated deposits (burned)
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resTags = resTags.AppendTag(tags.ProposalID, fmt.Sprintf("%d", proposalID))
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resTags = resTags.AppendTag(tags.ProposalResult, tags.ActionProposalDropped)
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logger.Info(
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fmt.Sprintf("proposal %d (%s) didn't meet minimum deposit of %s (had only %s); deleted",
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inactiveProposal.ProposalID,
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inactiveProposal.GetTitle(),
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keeper.GetDepositParams(ctx).MinDeposit,
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inactiveProposal.TotalDeposit,
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),
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)
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}
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// fetch active proposals whose voting periods have ended (are passed the block time)
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activeIterator := keeper.ActiveProposalQueueIterator(ctx, ctx.BlockHeader().Time)
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defer activeIterator.Close()
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for ; activeIterator.Valid(); activeIterator.Next() {
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var proposalID uint64
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keeper.cdc.MustUnmarshalBinaryLengthPrefixed(activeIterator.Value(), &proposalID)
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activeProposal, ok := keeper.GetProposal(ctx, proposalID)
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if !ok {
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panic(fmt.Sprintf("proposal %d does not exist", proposalID))
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}
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passes, tallyResults := tally(ctx, keeper, activeProposal)
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var tagValue, logMsg string
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if passes {
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keeper.RefundDeposits(ctx, activeProposal.ProposalID)
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handler := keeper.router.GetRoute(activeProposal.ProposalRoute())
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cacheCtx, writeCache := ctx.CacheContext()
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// The proposal handler may execute state mutating logic depending
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// on the proposal content. If the handler fails, no state mutation
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// is written and the error message is logged.
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err := handler(cacheCtx, activeProposal.Content)
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if err == nil {
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activeProposal.Status = StatusPassed
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tagValue = tags.ActionProposalPassed
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logMsg = "passed"
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// write state to the underlying multi-store
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writeCache()
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} else {
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activeProposal.Status = StatusFailed
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tagValue = tags.ActionProposalFailed
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logMsg = fmt.Sprintf("passed, but failed on execution: %s", err.ABCILog())
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}
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} else {
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keeper.DeleteDeposits(ctx, activeProposal.ProposalID)
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activeProposal.Status = StatusRejected
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tagValue = tags.ActionProposalRejected
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logMsg = "rejected"
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}
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activeProposal.FinalTallyResult = tallyResults
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keeper.SetProposal(ctx, activeProposal)
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keeper.RemoveFromActiveProposalQueue(ctx, activeProposal.VotingEndTime, activeProposal.ProposalID)
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logger.Info(
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fmt.Sprintf(
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"proposal %d (%s) tallied; result: %s",
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activeProposal.ProposalID, activeProposal.GetTitle(), logMsg,
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),
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)
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resTags = resTags.AppendTag(tags.ProposalID, fmt.Sprintf("%d", proposalID))
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resTags = resTags.AppendTag(tags.ProposalResult, tagValue)
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}
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return resTags
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}
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