cosmos-sdk/x/distribution/handler.go

98 lines
2.9 KiB
Go

package distribution
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
)
func NewHandler(k keeper.Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case types.MsgSetWithdrawAddress:
return handleMsgModifyWithdrawAddress(ctx, msg, k)
case types.MsgWithdrawDelegatorReward:
return handleMsgWithdrawDelegatorReward(ctx, msg, k)
case types.MsgWithdrawValidatorCommission:
return handleMsgWithdrawValidatorCommission(ctx, msg, k)
default:
errMsg := fmt.Sprintf("unrecognized distribution message type: %T", msg)
return sdk.ErrUnknownRequest(errMsg).Result()
}
}
}
// These functions assume everything has been authenticated (ValidateBasic passed, and signatures checked)
func handleMsgModifyWithdrawAddress(ctx sdk.Context, msg types.MsgSetWithdrawAddress, k keeper.Keeper) sdk.Result {
err := k.SetWithdrawAddr(ctx, msg.DelegatorAddress, msg.WithdrawAddress)
if err != nil {
return err.Result()
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.DelegatorAddress.String()),
),
)
return sdk.Result{Events: ctx.EventManager().Events()}
}
func handleMsgWithdrawDelegatorReward(ctx sdk.Context, msg types.MsgWithdrawDelegatorReward, k keeper.Keeper) sdk.Result {
_, err := k.WithdrawDelegationRewards(ctx, msg.DelegatorAddress, msg.ValidatorAddress)
if err != nil {
return err.Result()
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.DelegatorAddress.String()),
),
)
return sdk.Result{Events: ctx.EventManager().Events()}
}
func handleMsgWithdrawValidatorCommission(ctx sdk.Context, msg types.MsgWithdrawValidatorCommission, k keeper.Keeper) sdk.Result {
_, err := k.WithdrawValidatorCommission(ctx, msg.ValidatorAddress)
if err != nil {
return err.Result()
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.ValidatorAddress.String()),
),
)
return sdk.Result{Events: ctx.EventManager().Events()}
}
func NewCommunityPoolSpendProposalHandler(k Keeper) govtypes.Handler {
return func(ctx sdk.Context, content govtypes.Content) sdk.Error {
switch c := content.(type) {
case types.CommunityPoolSpendProposal:
return keeper.HandleCommunityPoolSpendProposal(ctx, k, c)
default:
errMsg := fmt.Sprintf("unrecognized distr proposal content type: %T", c)
return sdk.ErrUnknownRequest(errMsg)
}
}
}