[ENG-540]: Process Proposal + Process Proposal Testing (#31)

mempool/tx.go

@@ -54,6 +54,10 @@ func GetMsgAuctionBidFromTx(tx sdk.Tx) (*auctiontypes.MsgAuctionBid, error) {
 
 // UnwrapBidTx attempts to unwrap a WrappedBidTx from an sdk.Tx if one exists.
 func UnwrapBidTx(tx sdk.Tx) sdk.Tx {
+	if tx == nil {
+		return nil
+	}
+
 	wTx, ok := tx.(*WrappedBidTx)
 	if ok {
 		return wTx.Tx

mempool/tx_test.go

@@ -3,6 +3,7 @@ package mempool_test
 import (
 	"testing"
 
+	sdk "github.com/cosmos/cosmos-sdk/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	pobcodec "github.com/skip-mev/pob/codec"
 	"github.com/skip-mev/pob/mempool"
@@ -46,3 +47,22 @@ func TestGetMsgAuctionBidFromTx_NoBid(t *testing.T) {
 	require.NoError(t, err)
 	require.Nil(t, msg)
 }
+
+func TestGetUnwrappedTx(t *testing.T) {
+	encCfg := pobcodec.CreateEncodingConfig()
+
+	txBuilder := encCfg.TxConfig.NewTxBuilder()
+	txBuilder.SetMsgs(&auctiontypes.MsgAuctionBid{})
+	tx := txBuilder.GetTx()
+
+	bid := sdk.NewCoins(sdk.NewCoin("foo", sdk.NewInt(1000000)))
+	wrappedTx := mempool.NewWrappedBidTx(tx, bid)
+	unWrappedTx := mempool.UnwrapBidTx(wrappedTx)
+
+	unwrappedBz, err := encCfg.TxConfig.TxEncoder()(unWrappedTx)
+	require.NoError(t, err)
+
+	txBz, err := encCfg.TxConfig.TxEncoder()(tx)
+	require.NoError(t, err)
+	require.Equal(t, txBz, unwrappedBz)
+}