109 lines
2.7 KiB
Go
109 lines
2.7 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/types"
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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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ctx = ctx.WithEventManager(sdk.NewEventManager())
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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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proposal, err := keeper.SubmitProposal(ctx, msg.Content)
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if err != nil {
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return err.Result()
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}
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err, votingStarted := keeper.AddDeposit(ctx, proposal.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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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Proposer.String()),
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),
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)
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if votingStarted {
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeSubmitProposal,
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sdk.NewAttribute(types.AttributeKeyVotingPeriodStart, fmt.Sprintf("%d", proposal.ProposalID)),
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),
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)
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}
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return sdk.Result{
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Data: keeper.cdc.MustMarshalBinaryLengthPrefixed(proposal.ProposalID),
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Events: ctx.EventManager().Events(),
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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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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Depositor.String()),
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),
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)
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if votingStarted {
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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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types.EventTypeProposalDeposit,
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sdk.NewAttribute(types.AttributeKeyVotingPeriodStart, fmt.Sprintf("%d", msg.ProposalID)),
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),
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)
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}
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return sdk.Result{Events: ctx.EventManager().Events()}
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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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ctx.EventManager().EmitEvent(
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, msg.Voter.String()),
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),
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)
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return sdk.Result{Events: ctx.EventManager().Events()}
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}
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