97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
package types
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import (
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"fmt"
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yaml "gopkg.in/yaml.v2"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// NewVote creates a new Vote instance
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//nolint:interfacer
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func NewVote(proposalID uint64, voter sdk.AccAddress, option VoteOption) Vote {
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return Vote{proposalID, voter.String(), option}
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}
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func (v Vote) String() string {
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out, _ := yaml.Marshal(v)
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return string(out)
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}
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// Votes is a collection of Vote objects
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type Votes []Vote
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// Equal returns true if two slices (order-dependant) of votes are equal.
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func (v Votes) Equal(other Votes) bool {
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if len(v) != len(other) {
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return false
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}
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for i, vote := range v {
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if vote.String() != other[i].String() {
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return false
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}
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}
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return true
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}
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func (v Votes) String() string {
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if len(v) == 0 {
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return "[]"
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}
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out := fmt.Sprintf("Votes for Proposal %d:", v[0].ProposalId)
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for _, vot := range v {
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out += fmt.Sprintf("\n %s: %s", vot.Voter, vot.Option)
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}
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return out
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}
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// Empty returns whether a vote is empty.
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func (v Vote) Empty() bool {
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return v.String() == Vote{}.String()
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}
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// VoteOptionFromString returns a VoteOption from a string. It returns an error
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// if the string is invalid.
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func VoteOptionFromString(str string) (VoteOption, error) {
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option, ok := VoteOption_value[str]
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if !ok {
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return OptionEmpty, fmt.Errorf("'%s' is not a valid vote option", str)
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}
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return VoteOption(option), nil
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}
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// ValidVoteOption returns true if the vote option is valid and false otherwise.
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func ValidVoteOption(option VoteOption) bool {
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if option == OptionYes ||
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option == OptionAbstain ||
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option == OptionNo ||
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option == OptionNoWithVeto {
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return true
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}
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return false
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}
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// Marshal needed for protobuf compatibility.
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func (vo VoteOption) Marshal() ([]byte, error) {
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return []byte{byte(vo)}, nil
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}
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// Unmarshal needed for protobuf compatibility.
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func (vo *VoteOption) Unmarshal(data []byte) error {
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*vo = VoteOption(data[0])
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return nil
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}
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// Format implements the fmt.Formatter interface.
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func (vo VoteOption) Format(s fmt.State, verb rune) {
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switch verb {
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case 's':
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s.Write([]byte(vo.String()))
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default:
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s.Write([]byte(fmt.Sprintf("%v", byte(vo))))
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}
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}
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