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invoice: avoid negative msat amounts

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This commit is contained in:
Wilmer Paulino
2018-01-19 14:21:58 -05:00
parent dd08662c87
commit cfb19b8d51
3 changed files with 17 additions and 0 deletions
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5
zpay32/invoice.go
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@@ -514,6 +514,11 @@ func validateInvoice(invoice *Invoice) error {
return fmt.Errorf("net params not set")
}
// Ensure that if there is an amount set, it is not negative.
if invoice.MilliSat != nil && *invoice.MilliSat < 0 {
return fmt.Errorf("negative amount: %v", *invoice.MilliSat)
}
// The invoice must contain a payment hash.
if invoice.PaymentHash == nil {
return fmt.Errorf("no payment hash found")