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handler.go
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handler.go
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package distribution
import (
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/zenchainprotocol/zenchain-node/x/distribution/keeper"
"github.com/zenchainprotocol/zenchain-node/x/distribution/types"
govtypes "github.com/zenchainprotocol/zenchain-node/x/gov/types"
)
// NewHandler manages all distribution tx
func NewHandler(k keeper.Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case types.MsgSetWithdrawAddress:
return handleMsgModifyWithdrawAddress(ctx, msg, k)
case types.MsgWithdrawValidatorCommission:
return handleMsgWithdrawValidatorCommission(ctx, msg, k)
default:
return nil, types.ErrUnknownDistributionMsgType()
}
}
}
// 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, error) {
err := k.SetWithdrawAddr(ctx, msg.DelegatorAddress, msg.WithdrawAddress)
if err != nil {
return nil, err
}
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()}, nil
}
func handleMsgWithdrawValidatorCommission(ctx sdk.Context, msg types.MsgWithdrawValidatorCommission, k keeper.Keeper) (*sdk.Result, error) {
_, err := k.WithdrawValidatorCommission(ctx, msg.ValidatorAddress)
if err != nil {
return nil, err
}
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()}, nil
}
func NewCommunityPoolSpendProposalHandler(k Keeper) govtypes.Handler {
return func(ctx sdk.Context, content *govtypes.Proposal) error {
switch c := content.Content.(type) {
case types.CommunityPoolSpendProposal:
return keeper.HandleCommunityPoolSpendProposal(ctx, k, c)
default:
return types.ErrUnknownDistributionCommunityPoolProposaType()
}
}
}