Merge pull request #1872 from OpenBazaar/dust

drwasho · web-flow · commit 39a02b647768 · 2019-11-27T08:18:14.000+10:00
(#1834) Do not allow purchases if amount is lower than the wallet's dust amount
diff --git a/core/order.go b/core/order.go
@@ -162,6 +162,10 @@ func (n *OpenBazaarNode) Purchase(data *repo.PurchaseData) (orderID string, paym
 		return "", "", retCurrency, false, err
 	}
 
+	if wal.IsDust(*total) {
+		return "", "", retCurrency, false, ErrSpendAmountIsDust
+	}
+
 	payment.BigAmount = total.String()
 
 	contract, err = n.SignOrder(contract)

Original file line number	Diff line number	Diff line change
`@@ -162,6 +162,10 @@ func (n OpenBazaarNode) Purchase(data repo.PurchaseData) (orderID string, paym`
`162`	`162`	`return "", "", retCurrency, false, err`
`163`	`163`	`}`
`164`	`164`
	`165`	`+ if wal.IsDust(*total) {`
	`166`	`+ return "", "", retCurrency, false, ErrSpendAmountIsDust`
	`167`	`+ }`
	`168`	`+`
`165`	`169`	`payment.BigAmount = total.String()`
`166`	`170`
`167`	`171`	`contract, err = n.SignOrder(contract)`