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vote.go
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vote.go
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package gov
import (
"fmt"
sdk "github.com/zxs-paryada/hschain/types"
"github.com/zxs-paryada/hschain/x/gov/types"
)
// AddVote Adds a vote on a specific proposal
func (keeper Keeper) AddVote(ctx sdk.Context, proposalID uint64, voterAddr sdk.AccAddress, option VoteOption) sdk.Error {
proposal, ok := keeper.GetProposal(ctx, proposalID)
if !ok {
return ErrUnknownProposal(keeper.codespace, proposalID)
}
if proposal.Status != StatusVotingPeriod {
return ErrInactiveProposal(keeper.codespace, proposalID)
}
if !ValidVoteOption(option) {
return ErrInvalidVote(keeper.codespace, option)
}
vote := NewVote(proposalID, voterAddr, option)
keeper.setVote(ctx, proposalID, voterAddr, vote)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeProposalVote,
sdk.NewAttribute(types.AttributeKeyOption, option.String()),
sdk.NewAttribute(types.AttributeKeyProposalID, fmt.Sprintf("%d", proposalID)),
),
)
return nil
}
// GetAllVotes returns all the votes from the store
func (keeper Keeper) GetAllVotes(ctx sdk.Context) (votes Votes) {
keeper.IterateAllVotes(ctx, func(vote Vote) bool {
votes = append(votes, vote)
return false
})
return
}
// GetVotes returns all the votes from a proposal
func (keeper Keeper) GetVotes(ctx sdk.Context, proposalID uint64) (votes Votes) {
keeper.IterateVotes(ctx, proposalID, func(vote Vote) bool {
votes = append(votes, vote)
return false
})
return
}
// GetVote gets the vote from an address on a specific proposal
func (keeper Keeper) GetVote(ctx sdk.Context, proposalID uint64, voterAddr sdk.AccAddress) (vote Vote, found bool) {
store := ctx.KVStore(keeper.storeKey)
bz := store.Get(types.VoteKey(proposalID, voterAddr))
if bz == nil {
return vote, false
}
keeper.cdc.MustUnmarshalBinaryLengthPrefixed(bz, &vote)
return vote, true
}
func (keeper Keeper) setVote(ctx sdk.Context, proposalID uint64, voterAddr sdk.AccAddress, vote Vote) {
store := ctx.KVStore(keeper.storeKey)
bz := keeper.cdc.MustMarshalBinaryLengthPrefixed(vote)
store.Set(types.VoteKey(proposalID, voterAddr), bz)
}
// GetVotesIterator gets all the votes on a specific proposal as an sdk.Iterator
func (keeper Keeper) GetVotesIterator(ctx sdk.Context, proposalID uint64) sdk.Iterator {
store := ctx.KVStore(keeper.storeKey)
return sdk.KVStorePrefixIterator(store, types.VotesKey(proposalID))
}
func (keeper Keeper) deleteVote(ctx sdk.Context, proposalID uint64, voterAddr sdk.AccAddress) {
store := ctx.KVStore(keeper.storeKey)
store.Delete(types.VoteKey(proposalID, voterAddr))
}