Updated on 2026-08-14
This commit is contained in:
Tangem
parent
21961aaa74
commit
84022714e7
3 changed files with 133 additions and 41 deletions
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@ -2,6 +2,7 @@ package com.tangem.tap.features.send.redux.middlewares
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import com.tangem.blockchain.common.Blockchain
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import com.tangem.blockchain.common.Wallet
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import com.tangem.blockchain.common.WalletManager
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import com.tangem.core.analytics.Analytics
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import com.tangem.tap.common.analytics.events.Token.Send.AddressEntered
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import com.tangem.tap.common.redux.AppState
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@ -9,6 +10,8 @@ import com.tangem.tap.features.send.redux.*
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import com.tangem.tap.features.send.redux.AddressVerifyAction.AddressVerification.SetAddressError
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import com.tangem.tap.features.send.redux.AddressVerifyAction.AddressVerification.SetWalletAddress
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import com.tangem.tap.features.send.redux.AddressVerifyAction.Error
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import com.tangem.tap.scope
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import kotlinx.coroutines.*
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import org.rekotlin.Action
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import org.rekotlin.DispatchFunction
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@ -17,6 +20,8 @@ import org.rekotlin.DispatchFunction
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*/
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internal class AddressMiddleware {
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val addressValidator = AddressValidator()
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fun handle(action: AddressActionUi, appState: AppState?, dispatch: (Action) -> Unit) {
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when (action) {
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is AddressActionUi.HandleUserInput -> handleUserInput(action.data, appState, dispatch)
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@ -54,13 +59,13 @@ internal class AddressMiddleware {
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dispatch: (Action) -> Unit,
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) {
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val sendState = appState?.sendState ?: return
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val wallet = sendState.walletManager?.wallet ?: return
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val walletManager = sendState.walletManager ?: return
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val address = sendState.addressState.normalFieldValue ?: return
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val isUserInput = sendState.addressState.viewFieldValue.isFromUserInput
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verifyAddress(
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address = address,
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wallet = wallet,
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walletManager = walletManager,
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isUserInput = isUserInput,
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dispatch = dispatch,
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sourceType = sourceType,
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@ -68,6 +73,38 @@ internal class AddressMiddleware {
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}
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private fun verifyAddress(
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address: String,
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walletManager: WalletManager,
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sourceType: AddressEntered.SourceType?,
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isUserInput: Boolean,
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dispatch: (Action) -> Unit,
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) {
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val wallet = walletManager.wallet
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scope.launch(Dispatchers.Main) {
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val failReason = withContext(Dispatchers.IO) {
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addressValidator.validateAddress(walletManager, address)
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}
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if (failReason == null) {
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dispatchSuccessValidationActions(
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address = address,
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wallet = wallet,
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sourceType = sourceType,
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isUserInput = isUserInput,
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dispatch = dispatch,
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)
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} else {
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dispatchFailedValidationActions(
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failReason = failReason,
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sourceType = sourceType,
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dispatch = dispatch,
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)
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}
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}
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}
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private fun dispatchSuccessValidationActions(
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address: String,
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wallet: Wallet,
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sourceType: AddressEntered.SourceType?,
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@ -113,57 +150,49 @@ internal class AddressMiddleware {
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val supposedAddress = noSchemeAddress.removeShareUriQuery() // TODO: parse query?
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val failReason = isValidBlockchainAddressAndNotTheSameAsWallet(wallet, supposedAddress)
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if (failReason == null) {
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noSchemeAddress.getQueryParameter("amount")?.toBigDecimalOrNull()?.let {
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dispatch(AmountAction.SetAmount(it, false))
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dispatch(AmountActionUi.CheckAmountToSend)
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}
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dispatch(SetWalletAddress(supposedAddress, isUserInput))
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dispatch(TransactionExtrasAction.Prepare(wallet.blockchain, address, null))
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dispatch(FeeAction.RequestFee)
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sourceType?.let {
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Analytics.send(
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event = AddressEntered(
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sourceType = sourceType,
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validationResult = AddressEntered.ValidationResult.Success,
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),
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)
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}
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} else {
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dispatch(SetAddressError(failReason))
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dispatch(TransactionExtrasAction.Release)
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sourceType?.let {
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Analytics.send(
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event = AddressEntered(
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sourceType = sourceType,
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validationResult = AddressEntered.ValidationResult.Fail,
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),
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)
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}
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noSchemeAddress.getQueryParameter("amount")?.toBigDecimalOrNull()?.let {
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dispatch(AmountAction.SetAmount(it, false))
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dispatch(AmountActionUi.CheckAmountToSend)
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}
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dispatch(SetWalletAddress(supposedAddress, isUserInput))
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dispatch(TransactionExtrasAction.Prepare(wallet.blockchain, address, null))
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dispatch(FeeAction.RequestFee)
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sourceType?.let {
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Analytics.send(
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event = AddressEntered(
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sourceType = sourceType,
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validationResult = AddressEntered.ValidationResult.Success,
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),
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)
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}
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}
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private fun isValidBlockchainAddressAndNotTheSameAsWallet(wallet: Wallet, address: String): Error? {
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return if (wallet.blockchain.validateAddress(address)) {
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if (wallet.addresses.all { it.value != address }) {
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null
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} else {
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Error.ADDRESS_SAME_AS_WALLET
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}
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} else {
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Error.ADDRESS_INVALID_OR_UNSUPPORTED_BY_BLOCKCHAIN
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private fun dispatchFailedValidationActions(
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failReason: AddressVerifyAction.Error,
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sourceType: AddressEntered.SourceType?,
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dispatch: (Action) -> Unit,
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) {
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dispatch(SetAddressError(failReason))
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dispatch(TransactionExtrasAction.Release)
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sourceType?.let {
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Analytics.send(
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event = AddressEntered(
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sourceType = sourceType,
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validationResult = AddressEntered.ValidationResult.Fail,
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),
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)
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}
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}
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private fun String.removeShareUriQuery(): String = this.substringBefore("?")
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private fun String.getQueryParameter(name: String): String? {
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return this.substringAfter("?").splitToMap("&", "=")[name]
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}
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private fun verifyClipboard(input: String?, appState: AppState?, dispatch: DispatchFunction) {
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val address = input ?: return
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val wallet = appState?.sendState?.walletManager?.wallet ?: return
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val walletManager = appState?.sendState?.walletManager ?: return
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val internalDispatcher: (Action) -> Unit = {
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when (it) {
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@ -178,7 +207,7 @@ internal class AddressMiddleware {
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verifyAddress(
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address = address,
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wallet = wallet,
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walletManager = walletManager,
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sourceType = null,
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isUserInput = false,
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dispatch = internalDispatcher,
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@ -0,0 +1,52 @@
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package com.tangem.tap.features.send.redux.middlewares
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import com.tangem.blockchain.blockchains.near.NearWalletManager
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import com.tangem.blockchain.blockchains.near.network.NearAccount
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import com.tangem.blockchain.common.Blockchain
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import com.tangem.blockchain.common.Wallet
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import com.tangem.blockchain.common.WalletManager
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import com.tangem.blockchain.extensions.Result
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import com.tangem.tap.features.send.redux.AddressVerifyAction
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class AddressValidator {
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suspend fun validateAddress(walletManager: WalletManager, address: String): AddressVerifyAction.Error? {
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val blockchain = walletManager.wallet.blockchain
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val wallet = walletManager.wallet
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return if ((blockchain == Blockchain.Near || blockchain == Blockchain.NearTestnet) &&
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address.length != NEAR_IMPLICIT_ADDRESS_LENGTH
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) {
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validateNearAddress(walletManager, address)
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} else {
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validateAddress(wallet, address)
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}
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}
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private suspend fun validateNearAddress(
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walletManager: WalletManager,
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address: String,
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): AddressVerifyAction.Error? {
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val result = (walletManager as? NearWalletManager)?.getAccount(address)
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return if (result is Result.Success && result.data is NearAccount.Full) {
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null
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} else {
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AddressVerifyAction.Error.ADDRESS_INVALID_OR_UNSUPPORTED_BY_BLOCKCHAIN
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}
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}
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private fun validateAddress(wallet: Wallet, address: String): AddressVerifyAction.Error? {
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return if (wallet.blockchain.validateAddress(address)) {
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if (wallet.addresses.all { it.value != address }) {
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null
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} else {
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AddressVerifyAction.Error.ADDRESS_SAME_AS_WALLET
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}
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} else {
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AddressVerifyAction.Error.ADDRESS_INVALID_OR_UNSUPPORTED_BY_BLOCKCHAIN
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}
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}
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companion object {
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const val NEAR_IMPLICIT_ADDRESS_LENGTH = 64
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}
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}
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