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Updated on 2026-08-14

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Tangem 2024-04-17 13:33:57 +05:00
parent f117e5a246
commit 6a984ed75d
2 changed files with 20 additions and 9 deletions
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19
data/qr-scanning/src/main/java/com/tangem/data/qrscanning/repository/DefaultQrScanningEventsRepository.kt
View file

@ -52,16 +52,17 @@ internal class DefaultQrScanningEventsRepository : QrScanningEventsRepository {
result.memo = URLDecoder.decode(it.value, "UTF-8")
}
Parameter.Address -> {
// If 'address' parameter is exists, then currency must be TOKEN.
val tokenCurrency = cryptoCurrency as? CryptoCurrency.Token ?: return QrResult()
// Overrides destination address for token transfers (ERC-681)
if (cryptoCurrency is CryptoCurrency.Token) {
// `address` parameter is used only if the contract address, encoded in the QR,
// matches the contract address of the token.
// Otherwise, the scanned string is likely malformed, and we stop the entire parsing routine
if (cryptoCurrency.contractAddress.equals(address, ignoreCase = true)) {
result.address = it.value
} else {
return QrResult()
}
// `address` parameter is used only if the contract address, encoded in the QR,
// matches the contract address of the token.
// Otherwise, the scanned string is likely malformed, and we stop the entire parsing routin
if (tokenCurrency.contractAddress.equals(address, ignoreCase = true)) {
result.address = it.value
} else {
return QrResult()
}
}
Parameter.Value,

10
data/qr-scanning/src/test/java/com/tangem/data/qrscanning/DefaultQrScanningEventsRepositoryTest.kt
View file

@ -232,11 +232,21 @@ internal class DefaultQrScanningEventsRepositoryTest {
QrResult(address = address2, amount = BigDecimal("2300")),
tokenCryptoCurrency,
)
positiveCase(
"$address4?$addressParam=$addressParamValue",
QrResult(address = addressParamValue),
tokenCryptoCurrency,
)
negativeCase(
"$address2?$someParam=$someParamValue&$amountParam=$amountParamValue",
QrResult(address = address2, amount = BigDecimal("123.123"), memo = memoParamValueUtf8),
tokenCryptoCurrency,
)
negativeCase(
"$address4?$addressParam=$addressParamValue",
QrResult(address = addressParamValue),
cryptoCurrency,
)
}
private fun positiveCase(input: String, expected: QrResult, cryptoCurrency: CryptoCurrency) {