temp

src/ledger/transaction.go

@@ -18,6 +18,14 @@ type Transaction Deltas
 
 type Transactions []Transaction
 
+func (transactions Transactions) Deltas() Deltas {
+	result := make(Deltas, 0, len(transactions))
+	for _, transaction := range transactions {
+		result = append(result, transaction...)
+	}
+	return result
+}
+
 func (deltas Deltas) Transactions() Transactions {
 	m := make(map[string]Transaction)
 	for _, d := range deltas {