41 lines
995 B
Go
41 lines
995 B
Go
package ibc
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import (
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"reflect"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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func NewHandler(ibcm IBCMapper) sdk.Handler {
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return func(ctx sdk.Context, msg sdk.Msg) sdk.Result {
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switch msg := msg.(type) {
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case IBCTransferMsg:
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return handleIBCTransferMsg(ctx, ibcm, msg)
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case IBCReceiveMsg:
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return handleIBCReceiveMsg(ctx, ibcm, msg)
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default:
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errMsg := "Unrecognized IBC Msg type: " + reflect.TypeOf(msg).Name()
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return sdk.ErrUnknownRequest(errMsg).Result()
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}
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}
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}
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func handleIBCTransferMsg(ctx sdk.Context, ibcm IBCMapper, msg IBCTransferMsg) sdk.Result {
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ibcm.PushPacket(ctx, msg.IBCPacket)
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return sdk.Result{}
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}
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func handleIBCReceiveMsg(ctx sdk.Context, ibcm IBCMapper, msg IBCReceiveMsg) sdk.Result {
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packet := msg.IBCPacket
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seq := ibcm.GetIngressSequence(ctx, packet.SrcChain)
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if msg.Sequence != seq {
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return sdk.Result{} // error
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}
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ibcm.SetIngressSequence(ctx, packet.SrcChain, seq+1)
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// handle packet
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// packet.Handle(ctx)...
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return sdk.Result{}
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}
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