0g-chain/x/bep3/handler.go
Federico Kunze a573625df8
[R4R] bump SDK version to v0.38.3 (#421)
* bump SDK version to v0.38.3

Co-authored-by: Denali Marsh <denali@kava.io>
Co-authored-by: Kevin Davis <kjydavis3@gmail.com>
Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
Co-authored-by: denalimarsh <denalimarsh@gmail.com>
Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com>
2020-04-23 12:35:58 -04:00

88 lines
2.5 KiB
Go

package bep3
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// NewHandler creates an sdk.Handler for all the bep3 type messages
func NewHandler(k Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case MsgCreateAtomicSwap:
return handleMsgCreateAtomicSwap(ctx, k, msg)
case MsgClaimAtomicSwap:
return handleMsgClaimAtomicSwap(ctx, k, msg)
case MsgRefundAtomicSwap:
return handleMsgRefundAtomicSwap(ctx, k, msg)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized %s message type: %T", ModuleName, msg)
}
}
}
// handleMsgCreateAtomicSwap handles requests to create a new AtomicSwap
func handleMsgCreateAtomicSwap(ctx sdk.Context, k Keeper, msg MsgCreateAtomicSwap) (*sdk.Result, error) {
err := k.CreateAtomicSwap(ctx, msg.RandomNumberHash, msg.Timestamp, msg.HeightSpan, msg.From, msg.To,
msg.SenderOtherChain, msg.RecipientOtherChain, msg.Amount, msg.ExpectedIncome, msg.CrossChain)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.From.String()),
),
)
return &sdk.Result{
Events: ctx.EventManager().Events(),
}, nil
}
// handleMsgClaimAtomicSwap handles requests to claim funds in an active AtomicSwap
func handleMsgClaimAtomicSwap(ctx sdk.Context, k Keeper, msg MsgClaimAtomicSwap) (*sdk.Result, error) {
err := k.ClaimAtomicSwap(ctx, msg.From, msg.SwapID, msg.RandomNumber)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.From.String()),
),
)
return &sdk.Result{
Events: ctx.EventManager().Events(),
}, nil
}
// handleMsgRefundAtomicSwap handles requests to refund an active AtomicSwap
func handleMsgRefundAtomicSwap(ctx sdk.Context, k Keeper, msg MsgRefundAtomicSwap) (*sdk.Result, error) {
err := k.RefundAtomicSwap(ctx, msg.From, msg.SwapID)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvent(
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.From.String()),
),
)
return &sdk.Result{
Events: ctx.EventManager().Events(),
}, nil
}