Updated on 2026-08-14
This commit is contained in:
Tangem
parent
78996521c6
commit
ab5fac9196
41 changed files with 366 additions and 73 deletions
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@ -9,17 +9,16 @@ android {
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}
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dependencies {
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implementation(project(":core:datasource"))
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implementation(project(":core:utils"))
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implementation(project(":common"))
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implementation(project(":libs:auth"))
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implementation(projects.core.datasource)
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implementation(projects.core.utils)
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implementation(projects.common)
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implementation(projects.libs.auth)
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implementation(projects.libs.blockchainSdk)
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implementation(projects.domain.demo)
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implementation(projects.domain.models)
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implementation(projects.domain.tokens.models)
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implementation(projects.domain.txhistory.models)
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implementation(projects.domain.wallets.models)
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/** Tangem libraries */
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implementation(deps.tangem.blockchain) {
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exclude(module = "joda-time")
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@ -1,14 +0,0 @@
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package com.tangem.domain.userwallets
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data class Artwork(val artworkId: String) {
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companion object {
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const val DEFAULT_IMG_URL = "https://app.tangem.com/cards/card_default.png"
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const val SERGIO_CARD_URL = "https://app.tangem.com/cards/card_tg059.png"
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const val MARTA_CARD_URL = "https://app.tangem.com/cards/card_tg083.png"
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const val SERGIO_CARD_ID = "BC01"
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const val MARTA_CARD_ID = "BC02"
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const val TWIN_CARD_1 = "https://app.tangem.com/cards/card_tg085.png"
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const val TWIN_CARD_2 = "https://app.tangem.com/cards/card_tg086.png"
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}
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}
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@ -1,56 +0,0 @@
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package com.tangem.domain.userwallets
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import com.tangem.common.extensions.toHexString
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import com.tangem.common.services.Result
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import com.tangem.domain.common.TwinCardNumber
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import com.tangem.domain.common.TwinsHelper
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import com.tangem.operations.attestation.OnlineCardVerifier
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import com.tangem.operations.attestation.TangemApi
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/**
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* Use case for getting card image url
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*
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* @property verifier REST API
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*
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[REDACTED_AUTHOR]
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*/
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class GetCardImageUseCase(private val verifier: OnlineCardVerifier = OnlineCardVerifier()) {
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/**
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* Get card image url
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*
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* @param cardId card id
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* @param cardPublicKey card public key
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*/
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suspend operator fun invoke(cardId: String, cardPublicKey: ByteArray): String {
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return when (val result = verifier.getCardInfo(cardId, cardPublicKey)) {
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is Result.Success -> {
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val artworkId = result.data.artwork?.id
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if (artworkId.isNullOrEmpty()) {
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getFallbackArtworkUrl(cardId)
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} else {
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getUrlForArtwork(cardId, cardPublicKey.toHexString(), artworkId)
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}
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}
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is Result.Failure -> getFallbackArtworkUrl(cardId)
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}
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}
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private fun getFallbackArtworkUrl(cardId: String): String {
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return when {
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cardId.startsWith(Artwork.SERGIO_CARD_ID) -> Artwork.SERGIO_CARD_URL
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cardId.startsWith(Artwork.MARTA_CARD_ID) -> Artwork.MARTA_CARD_URL
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else -> when (TwinsHelper.getTwinCardNumber(cardId)) {
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TwinCardNumber.First -> Artwork.TWIN_CARD_1
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TwinCardNumber.Second -> Artwork.TWIN_CARD_2
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else -> Artwork.DEFAULT_IMG_URL
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}
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}
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}
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private fun getUrlForArtwork(cardId: String, cardPublicKeyHex: String, artworkId: String): String {
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return TangemApi.Companion.BaseUrl.VERIFY.url + TangemApi.ARTWORK +
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"?artworkId=$artworkId&CID=$cardId&publicKey=$cardPublicKeyHex"
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}
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}
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@ -1,69 +0,0 @@
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package com.tangem.domain.userwallets
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import com.tangem.domain.common.util.cardTypesResolver
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import com.tangem.domain.models.scan.CardDTO
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import com.tangem.domain.models.scan.ProductType
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import com.tangem.domain.models.scan.ScanResponse
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import com.tangem.domain.wallets.models.UserWallet
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class UserWalletBuilder(
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private val scanResponse: ScanResponse,
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private val getCardImageUseCase: GetCardImageUseCase = GetCardImageUseCase(),
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) {
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private var backupCardsIds: Set<String> = emptySet()
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private var hasBackupError: Boolean = false
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private val CardDTO.isBackupNotAllowed: Boolean
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get() = !this.settings.isBackupAllowed
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private val ScanResponse.userWalletName: String
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get() = when (productType) {
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ProductType.Note -> "Note"
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ProductType.Twins -> "Twin"
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ProductType.Start2Coin -> "Start2Coin"
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ProductType.Visa -> "Tangem Visa"
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ProductType.Wallet,
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ProductType.Wallet2,
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ProductType.Ring,
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-> when {
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card.isBackupNotAllowed -> "Tangem card"
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cardTypesResolver.isStart2Coin() -> "Start2Coin"
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else -> "Wallet"
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}
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}
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/**
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* DANGEROUS!!!
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* [backupCardsIds] will be non-empty list if card is backed up on current device.
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*/
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fun backupCardsIds(backupCardsIds: Set<String>?) = this.apply {
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if (backupCardsIds != null) {
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this.backupCardsIds = backupCardsIds
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}
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}
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/**
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* Sets if UserWallet has any backup errors (wrong curves etc). Use in onboarding
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*/
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fun hasBackupError(hasBackupError: Boolean) = this.apply {
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this.hasBackupError = hasBackupError
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}
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suspend fun build(): UserWallet? {
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return with(scanResponse) {
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UserWalletIdBuilder.scanResponse(scanResponse)
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.build()
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?.let {
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UserWallet(
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walletId = it,
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name = userWalletName,
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artworkUrl = getCardImageUseCase.invoke(card.cardId, card.cardPublicKey),
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cardsInWallet = backupCardsIds.plus(card.cardId),
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scanResponse = this,
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isMultiCurrency = cardTypesResolver.isMultiwalletAllowed(),
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hasBackupError = hasBackupError,
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)
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}
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}
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}
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}
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@ -1,83 +0,0 @@
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package com.tangem.domain.userwallets
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import com.tangem.common.extensions.calculateSha256
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import com.tangem.common.extensions.hexToBytes
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import com.tangem.crypto.Secp256k1
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import com.tangem.domain.common.TapWorkarounds.isTangemTwins
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import com.tangem.domain.common.extensions.calculateHmacSha256
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import com.tangem.domain.models.scan.CardDTO
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import com.tangem.domain.models.scan.ProductType
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import com.tangem.domain.models.scan.ScanResponse
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import com.tangem.domain.wallets.models.UserWalletId
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class UserWalletIdBuilder private constructor(
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private val publicKey: ByteArray?,
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private val pairTwinPublicKey: ByteArray? = null,
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) {
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fun build(): UserWalletId? {
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val seed = if (publicKey != null) {
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if (pairTwinPublicKey != null) {
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Secp256k1.sum(publicKey, pairTwinPublicKey)
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} else {
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publicKey
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}
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} else {
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null
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}
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return seed?.let {
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UserWalletId(value = calculateUserWalletId(it))
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}
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}
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private fun calculateUserWalletId(seed: ByteArray?): ByteArray? {
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val message = MESSAGE_FOR_WALLET_ID.toByteArray()
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val keyHash = seed?.calculateSha256()
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return if (keyHash != null) {
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message.calculateHmacSha256(keyHash)
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} else {
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null
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}
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}
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companion object {
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private const val MESSAGE_FOR_WALLET_ID = "UserWalletID"
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@Throws(IllegalArgumentException::class)
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fun card(card: CardDTO): UserWalletIdBuilder {
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require(!card.isTangemTwins) {
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"For twin cards use scanResponse to ID calculation"
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}
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return UserWalletIdBuilder(findPublicKey(card.wallets))
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}
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fun scanResponse(scanResponse: ScanResponse): UserWalletIdBuilder {
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return UserWalletIdBuilder(
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publicKey = findPublicKey(scanResponse.card.wallets),
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pairTwinPublicKey = when (scanResponse.productType) {
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ProductType.Twins -> scanResponse.secondTwinPublicKey?.hexToBytes()
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ProductType.Note,
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ProductType.Wallet,
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ProductType.Wallet2,
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ProductType.Ring,
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ProductType.Start2Coin,
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ProductType.Visa,
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-> null
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},
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)
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}
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fun walletPublicKey(publicKey: ByteArray): UserWalletId {
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return UserWalletIdBuilder(
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publicKey = publicKey,
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).build()!!
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}
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private fun findPublicKey(wallets: List<CardDTO.Wallet>): ByteArray? {
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return wallets.firstOrNull()
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?.publicKey
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}
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}
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}
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