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Updated on 2026-08-14

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Tangem 2025-12-08 18:39:36 +03:00
parent 1ccd4f3b6c
commit b3ed607c1a
4 changed files with 7 additions and 27 deletions
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6
app/src/main/java/com/tangem/tap/common/extensions/String.kt
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@ -1,6 +0,0 @@
package com.tangem.tap.common.extensions
fun String.removePrefixOrNull(prefix: String): String? = when {
startsWith(prefix) -> substring(prefix.length)
else -> null
}

21
app/src/main/java/com/tangem/tap/domain/tasks/visa/TangemPaySignWithdrawalHashTask.kt
View file

@ -15,7 +15,6 @@ import com.tangem.crypto.hdWallet.DerivationPath
import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
import com.tangem.domain.card.common.visa.VisaUtilities
import com.tangem.domain.visa.error.VisaActivationError
import com.tangem.operations.ScanTask
import com.tangem.operations.derivation.DeriveWalletPublicKeyTask
import com.tangem.operations.sign.SignHashCommand
@ -92,25 +91,7 @@ class TangemPaySignWithdrawalHashTask(
?: targetWalletPublicKey.toDecompressedPublicKey(),
).asRSVLegacyEVM().toHexString().lowercase()
scanCard(
session = session,
callback = callback,
signedData = rsvSignature,
)
}
is CompletionResult.Failure -> {
callback(CompletionResult.Failure(result.error))
}
}
}
}
private fun scanCard(signedData: String, session: CardSession, callback: CompletionCallback<String>) {
val scanTask = ScanTask()
scanTask.run(session) { result ->
when (result) {
is CompletionResult.Success -> {
callback(CompletionResult.Success(signedData))
callback(CompletionResult.Success(rsvSignature))
}
is CompletionResult.Failure -> {
callback(CompletionResult.Failure(result.error))

4
core/utils/src/main/java/com/tangem/utils/extensions/StringExt.kt
View file

@ -9,4 +9,8 @@ fun String.uriValidate(): Boolean {
val regex = DEEPLINK_VALIDATION_REGEX.toRegex()
return !regex.containsMatchIn(this)
}
fun String.addHexPrefix(): String {
return if (this.startsWith("0x")) this else "0x$this"
}

3
data/visa/src/main/kotlin/com/tangem/data/pay/repository/DefaultTangemPaySwapRepository.kt
View file

@ -18,6 +18,7 @@ import com.tangem.domain.pay.repository.TangemPaySwapRepository
import com.tangem.domain.visa.error.VisaApiError
import com.tangem.domain.wallets.legacy.UserWalletsListManager
import com.tangem.features.hotwallet.HotWalletFeatureToggles
import com.tangem.utils.extensions.addHexPrefix
import java.math.BigDecimal
import java.math.RoundingMode
import java.util.Currency
@ -66,7 +67,7 @@ internal class DefaultTangemPaySwapRepository @Inject constructor(
recipientAddress = receiverAddress,
adminSalt = result.salt,
senderAddress = result.senderAddress,
adminSignature = signatureResult.signature,
adminSignature = signatureResult.signature.addHexPrefix(),
)
tangemPayApi.withdraw(authHeader = authHeader, body = request)
}