feat: differentiate between Sending and Receiving unconfirmed balance…

… for Address

api/types.go

@@ -342,6 +342,8 @@ type Address struct {
 	TotalSentSat          *Amount              `json:"totalSent,omitempty"`
 	UnconfirmedBalanceSat *Amount              `json:"unconfirmedBalance"`
 	UnconfirmedTxs        int                  `json:"unconfirmedTxs"`
+	UnconfirmedSending    *Amount              `json:"unconfirmedSending,omitempty"`
+	UnconfirmedReceiving  *Amount              `json:"unconfirmedReceiving,omitempty"`
 	Txs                   int                  `json:"txs"`
 	AddrTxCount           int                  `json:"addrTxCount,omitempty"`
 	NonTokenTxs           int                  `json:"nonTokenTxs,omitempty"`

api/worker.go

@@ -1296,6 +1296,8 @@ func (w *Worker) GetAddress(address string, page int, txsOnPage int, option Acco
 		txids                    []string
 		pg                       Paging
 		uBalSat                  big.Int
+		uBalSending              big.Int
+		uBalReceiving            big.Int
 		totalReceived, totalSent *big.Int
 		unconfirmedTxs           int
 		totalResults             int
@@ -1347,12 +1349,12 @@ func (w *Worker) GetAddress(address string, page int, txsOnPage int, option Acco
 				// skip already confirmed txs, mempool may be out of sync
 				if tx.Confirmations == 0 {
 					unconfirmedTxs++
-					uBalSat.Add(&uBalSat, tx.getAddrVoutValue(addrDesc))
+					uBalReceiving.Add(&uBalReceiving, tx.getAddrVoutValue(addrDesc))
 					// ethereum has a different logic - value not in input and add maximum possible fees
 					if w.chainType == bchain.ChainEthereumType {
-						uBalSat.Sub(&uBalSat, tx.getAddrEthereumTypeMempoolInputValue(addrDesc))
+						uBalSending.Add(&uBalSending, tx.getAddrEthereumTypeMempoolInputValue(addrDesc))
 					} else {
-						uBalSat.Sub(&uBalSat, tx.getAddrVinValue(addrDesc))
+						uBalSending.Add(&uBalSending, tx.getAddrVinValue(addrDesc))
 					}
 					if page == 0 {
 						if option == AccountDetailsTxidHistory {
@@ -1419,6 +1421,7 @@ func (w *Worker) GetAddress(address string, page int, txsOnPage int, option Acco
 			totalSecondaryValue = secondaryRate * totalBaseValue
 		}
 	}
+	uBalSat.Sub(&uBalReceiving, &uBalSending)
 	r := &Address{
 		Paging:                pg,
 		AddrStr:               address,
@@ -1430,6 +1433,8 @@ func (w *Worker) GetAddress(address string, page int, txsOnPage int, option Acco
 		InternalTxs:           ed.internalTxs,
 		UnconfirmedBalanceSat: (*Amount)(&uBalSat),
 		UnconfirmedTxs:        unconfirmedTxs,
+		UnconfirmedSending:    amountOrNil(&uBalSending),
+		UnconfirmedReceiving:  amountOrNil(&uBalReceiving),
 		Transactions:          txs,
 		Txids:                 txids,
 		Tokens:                ed.tokens,
@@ -1451,6 +1456,14 @@ func (w *Worker) GetAddress(address string, page int, txsOnPage int, option Acco
 	return r, nil
 }
 
+// Returns either the Amount or nil if the number is zero
+func amountOrNil(num *big.Int) *Amount {
+	if num.Cmp(big.NewInt(0)) == 0 {
+		return nil
+	}
+	return (*Amount)(num)
+}
+
 func (w *Worker) balanceHistoryHeightsFromTo(fromTimestamp, toTimestamp int64) (uint32, uint32, uint32, uint32) {
 	fromUnix := uint32(0)
 	toUnix := maxUint32

blockbook-api.ts

@@ -159,6 +159,8 @@ export interface Address {
     totalSent?: string;
     unconfirmedBalance: string;
     unconfirmedTxs: number;
+    unconfirmedSending?: string;
+    unconfirmedReceiving?: string;
     txs: number;
     addrTxCount?: number;
     nonTokenTxs?: number;