cosmos-sdk/x/distribution/handler.go

73 lines
2.0 KiB
Go

package distribution
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
"github.com/cosmos/cosmos-sdk/x/distribution/tags"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
)
func NewHandler(k keeper.Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
// NOTE msg already has validate basic run
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:
return sdk.ErrTxDecode("invalid message parse in distribution module").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()
}
tags := sdk.NewTags(
tags.Delegator, []byte(msg.DelegatorAddress.String()),
)
return sdk.Result{
Tags: tags,
}
}
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()
}
tags := sdk.NewTags(
tags.Delegator, []byte(msg.DelegatorAddress.String()),
tags.Validator, []byte(msg.ValidatorAddress.String()),
)
return sdk.Result{
Tags: tags,
}
}
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()
}
tags := sdk.NewTags(
tags.Validator, []byte(msg.ValidatorAddress.String()),
)
return sdk.Result{
Tags: tags,
}
}