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 }