GiftedHacker/tangem-app-android-audited
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Updated on 2026-08-14

Browse source
This commit is contained in:
Tangem 2025-04-01 09:06:11 +03:00
parent ded577faff
commit aea7f5f415
21 changed files with 220 additions and 136 deletions
Download patch file Download diff file Expand all files Collapse all files

1
domain/legacy/build.gradle.kts
View file

@ -12,6 +12,7 @@ android {
dependencies {
implementation(projects.core.datasource)
implementation(projects.core.utils)
implementation(projects.core.error)
implementation(projects.common)
implementation(projects.libs.auth)
implementation(projects.libs.blockchainSdk)

59
domain/legacy/src/main/java/com/tangem/domain/common/visa/VisaWalletPublicKeyUtility.kt
View file

@ -8,29 +8,33 @@ import com.tangem.blockchain.common.address.AddressType
import com.tangem.common.card.EllipticCurve
import com.tangem.crypto.hdWallet.bip32.ExtendedPublicKey
import com.tangem.domain.models.scan.CardDTO
import com.tangem.domain.visa.error.VisaActivationError
object VisaWalletPublicKeyUtility {
fun validateExtendedPublicKey(targetAddress: String, extendedPublicKey: ExtendedPublicKey): Either<Error, Unit> =
either {
validatePublicKey(
targetAddress = targetAddress,
publicKey = extendedPublicKey.publicKey,
).bind()
}
fun findKeyWithoutDerivation(targetAddress: String, card: CardDTO): Either<Error, ByteArray> = either {
val wallet = findWalletOnSecp256k1(card).bind()
fun validateExtendedPublicKey(
targetAddress: String,
extendedPublicKey: ExtendedPublicKey,
): Either<VisaActivationError, Unit> = either {
validatePublicKey(
targetAddress = targetAddress,
publicKey = wallet.publicKey,
publicKey = extendedPublicKey.publicKey,
).bind()
wallet.publicKey
}
fun generateAddressOnSecp256k1(walletPublicKey: ByteArray): Either<Error, Address> = either {
fun findKeyWithoutDerivation(targetAddress: String, card: CardDTO): Either<VisaActivationError, ByteArray> =
either {
val wallet = findWalletOnSecp256k1(card).bind()
validatePublicKey(
targetAddress = targetAddress,
publicKey = wallet.publicKey,
).bind()
wallet.publicKey
}
fun generateAddressOnSecp256k1(walletPublicKey: ByteArray): Either<VisaActivationError, Address> = either {
val addresses = catch(
block = {
VisaUtilities.visaBlockchain.makeAddresses(
@ -39,27 +43,22 @@ object VisaWalletPublicKeyUtility {
curve = EllipticCurve.Secp256k1,
)
},
catch = { raise(Error.FailedToCreateAddress) },
catch = { raise(VisaActivationError.FailedToCreateAddress) },
)
addresses.firstOrNull { it.type == AddressType.Default } ?: raise(Error.FailedToCreateAddress)
addresses.firstOrNull { it.type == AddressType.Default } ?: raise(VisaActivationError.FailedToCreateAddress)
}
private fun findWalletOnSecp256k1(card: CardDTO): Either<Error, CardDTO.Wallet> = either {
card.wallets.firstOrNull { it.curve == EllipticCurve.Secp256k1 } ?: raise(Error.MissingWalletOnTargetCurve)
private fun findWalletOnSecp256k1(card: CardDTO): Either<VisaActivationError, CardDTO.Wallet> = either {
card.wallets.firstOrNull { it.curve == EllipticCurve.Secp256k1 } ?: raise(VisaActivationError.MissingWallet)
}
private fun validatePublicKey(targetAddress: String, publicKey: ByteArray): Either<Error, Unit> = either {
val address = generateAddressOnSecp256k1(publicKey).bind()
private fun validatePublicKey(targetAddress: String, publicKey: ByteArray): Either<VisaActivationError, Unit> =
either {
val address = generateAddressOnSecp256k1(publicKey).bind()
if (address.value != targetAddress) {
raise(Error.AddressNotMatched)
if (address.value != targetAddress) {
raise(VisaActivationError.AddressNotMatched)
}
}
}
enum class Error(val message: String) {
AddressNotMatched("ValidationError: Address not matched"),
FailedToCreateAddress("ValidationError: Failed to create address"),
MissingWalletOnTargetCurve("ValidationError: Missing wallet on target curve"),
}
}