block-sdk/mempool/tx.go
Aleksandr Bezobchuk e630bd4a39
Auction Index Refactor [ENG-547] (#18)
Co-authored-by: David Terpay <david.terpay@gmail.com>
2023-03-15 10:20:24 -04:00

54 lines
1.4 KiB
Go

package mempool
import (
"errors"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth/signing"
auctiontypes "github.com/skip-mev/pob/x/auction/types"
)
// WrappedBidTx defines a wrapper around an sdk.Tx that contains a single
// MsgAuctionBid message with additional metadata.
type WrappedBidTx struct {
signing.Tx
bid sdk.Coins
}
func NewWrappedBidTx(tx sdk.Tx, bid sdk.Coins) *WrappedBidTx {
return &WrappedBidTx{
Tx: tx.(signing.Tx),
bid: bid,
}
}
func (wbtx *WrappedBidTx) GetBid() sdk.Coins { return wbtx.bid }
// GetMsgAuctionBidFromTx attempts to retrieve a MsgAuctionBid from an sdk.Tx if
// one exists. If a MsgAuctionBid does exist and other messages are also present,
// an error is returned. If no MsgAuctionBid is present, <nil, nil> is returned.
func GetMsgAuctionBidFromTx(tx sdk.Tx) (*auctiontypes.MsgAuctionBid, error) {
auctionBidMsgs := make([]*auctiontypes.MsgAuctionBid, 0)
for _, msg := range tx.GetMsgs() {
t, ok := msg.(*auctiontypes.MsgAuctionBid)
if ok {
auctionBidMsgs = append(auctionBidMsgs, t)
}
}
switch {
case len(auctionBidMsgs) == 0:
// a normal transaction without a MsgAuctionBid message
return nil, nil
case len(auctionBidMsgs) == 1 && len(tx.GetMsgs()) == 1:
// a single MsgAuctionBid message transaction
return auctionBidMsgs[0], nil
default:
// a transaction with at at least one MsgAuctionBid message
return nil, errors.New("invalid MsgAuctionBid transaction")
}
}