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Checks if the requested amount to matches the received LN Invoice's amount

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Vitor Pamplona
2023-03-22 14:23:42 -04:00
parent cf2c56e088
commit ba40b1815f
1 changed files with 8 additions and 1 deletions
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9
app/src/main/java/com/vitorpamplona/amethyst/service/lnurl/LightningAddressResolver.kt
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@@ -13,6 +13,7 @@ import okhttp3.Callback
import okhttp3.OkHttpClient import okhttp3.OkHttpClient
import okhttp3.Request import okhttp3.Request
import okhttp3.Response import okhttp3.Response
import java.math.BigDecimal
import java.net.URLEncoder import java.net.URLEncoder
class LightningAddressResolver { class LightningAddressResolver {
@@ -165,7 +166,13 @@ class LightningAddressResolver {
} }
lnInvoice?.get("pr")?.asText()?.let { pr -> lnInvoice?.get("pr")?.asText()?.let { pr ->
onSuccess(pr) // Forces LN Invoice amount to be the requested amount.
val invoiceAmount = LnInvoiceUtil.getAmountInSats(pr)
if (invoiceAmount.multiply(BigDecimal(1000)).toLong() == BigDecimal(milliSats).toLong()) {
onSuccess(pr)
} else {
onError("Incorrect invoice amount (${invoiceAmount.toLong()} sats) from server")
}
} ?: onError("Invoice Not Created (element pr not found in the resulting JSON)") } ?: onError("Invoice Not Created (element pr not found in the resulting JSON)")
}, },
onError = onError onError = onError