107 lines
2.6 KiB
Go
107 lines
2.6 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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// Handle all "gov" type messages.
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func NewHandler(keeper Keeper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
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switch msg := msg.(type) {
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case MsgDeposit:
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return handleMsgDeposit(ctx, keeper, msg)
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case MsgSubmitProposal:
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return handleMsgSubmitProposal(ctx, keeper, msg)
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case MsgVote:
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return handleMsgVote(ctx, keeper, msg)
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default:
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errMsg := fmt.Sprintf("unrecognized gov message type: %T", msg)
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return sdk.ErrUnknownRequest(errMsg).Result()
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}
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}
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}
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func handleMsgSubmitProposal(ctx sdk.Context, keeper Keeper, msg MsgSubmitProposal) sdk.Result {
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var content ProposalContent
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switch msg.ProposalType {
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case ProposalTypeText:
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content = NewTextProposal(msg.Title, msg.Description)
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case ProposalTypeSoftwareUpgrade:
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content = NewSoftwareUpgradeProposal(msg.Title, msg.Description)
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default:
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return ErrInvalidProposalType(keeper.codespace, msg.ProposalType).Result()
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}
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proposal, err := keeper.SubmitProposal(ctx, content)
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if err != nil {
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return err.Result()
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}
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proposalID := proposal.ProposalID
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proposalIDStr := fmt.Sprintf("%d", proposalID)
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err, votingStarted := keeper.AddDeposit(ctx, proposalID, msg.Proposer, msg.InitialDeposit)
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if err != nil {
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return err.Result()
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}
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resTags := sdk.NewTags(
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tags.ProposalID, proposalIDStr,
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tags.Category, tags.TxCategory,
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tags.Sender, msg.Proposer.String(),
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)
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if votingStarted {
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resTags = resTags.AppendTag(tags.VotingPeriodStart, proposalIDStr)
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}
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return sdk.Result{
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Data: keeper.cdc.MustMarshalBinaryLengthPrefixed(proposalID),
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Tags: resTags,
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}
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}
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func handleMsgDeposit(ctx sdk.Context, keeper Keeper, msg MsgDeposit) sdk.Result {
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err, votingStarted := keeper.AddDeposit(ctx, msg.ProposalID, msg.Depositor, msg.Amount)
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if err != nil {
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return err.Result()
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}
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proposalIDStr := fmt.Sprintf("%d", msg.ProposalID)
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resTags := sdk.NewTags(
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tags.ProposalID, proposalIDStr,
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tags.Category, tags.TxCategory,
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tags.Sender, msg.Depositor.String(),
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)
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if votingStarted {
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resTags = resTags.AppendTag(tags.VotingPeriodStart, proposalIDStr)
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}
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return sdk.Result{
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Tags: resTags,
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}
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}
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func handleMsgVote(ctx sdk.Context, keeper Keeper, msg MsgVote) sdk.Result {
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err := keeper.AddVote(ctx, msg.ProposalID, msg.Voter, msg.Option)
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if err != nil {
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return err.Result()
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}
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proposalIDStr := fmt.Sprintf("%d", msg.ProposalID)
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return sdk.Result{
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Tags: sdk.NewTags(
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tags.ProposalID, proposalIDStr,
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tags.Category, tags.TxCategory,
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tags.Sender, msg.Voter.String(),
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),
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}
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}
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