52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
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package stack
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import (
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"github.com/tendermint/basecoin"
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"github.com/tendermint/basecoin/txs"
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"github.com/tendermint/basecoin/types"
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)
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const (
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NameMultiplexer = "mplx"
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)
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type Multiplexer struct{}
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func (_ Multiplexer) Name() string {
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return NameMultiplexer
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}
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var _ Middleware = Multiplexer{}
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func (_ Multiplexer) CheckTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx, next basecoin.Checker) (res basecoin.Result, err error) {
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if mtx, ok := tx.Unwrap().(*txs.MultiTx); ok {
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return runAll(ctx, store, mtx.Txs, next.CheckTx)
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}
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return next.CheckTx(ctx, store, tx)
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}
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func (_ Multiplexer) DeliverTx(ctx basecoin.Context, store types.KVStore, tx basecoin.Tx, next basecoin.Deliver) (res basecoin.Result, err error) {
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if mtx, ok := tx.Unwrap().(*txs.MultiTx); ok {
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return runAll(ctx, store, mtx.Txs, next.DeliverTx)
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}
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return next.DeliverTx(ctx, store, tx)
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}
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func runAll(ctx basecoin.Context, store types.KVStore, txs []basecoin.Tx, next basecoin.CheckerFunc) (res basecoin.Result, err error) {
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// store all results, unless anything errors
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rs := make([]basecoin.Result, len(txs))
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for i, stx := range txs {
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rs[i], err = next(ctx, store, stx)
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if err != nil {
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return
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}
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}
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// now combine the results into one...
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return combine(rs), nil
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}
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func combine(res []basecoin.Result) basecoin.Result {
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// TODO: how to combine???
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return res[0]
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}
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