Updated on 2026-08-14
This commit is contained in:
Tangem
parent
80d4eeaed9
commit
e2bdc12ed8
24 changed files with 696 additions and 169 deletions
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@ -0,0 +1,14 @@
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package com.tangem.domain.walletconnect.model
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import com.tangem.domain.tokens.model.Network
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sealed interface WcNetwork {
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val name: String
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data class Supported(val network: Network) : WcNetwork {
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override val name: String get() = network.name
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}
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data class Unknown(override val name: String) : WcNetwork
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}
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@ -0,0 +1,15 @@
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package com.tangem.domain.walletconnect.model
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sealed class WcPairError(override val message: String) : Exception(message) {
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data object UnsupportedDApp : WcPairError("UnsupportedDApp")
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data class UnsupportedNetworks(
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val chains: Set<WcNetwork.Unknown>,
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) : WcPairError("ApprovalErrorMissingNetworks")
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data class ExternalApprovalError(
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override val message: String,
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) : WcPairError("ExternalApprovalError")
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data class Unknown(override val message: String) : WcPairError(message)
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}
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@ -0,0 +1,8 @@
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package com.tangem.domain.walletconnect.model
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import com.tangem.domain.wallets.models.UserWalletId
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data class WcSessionApprove(
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val walletId: UserWalletId,
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val network: List<WcNetwork.Supported>,
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)
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@ -1,15 +1,19 @@
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package com.tangem.domain.walletconnect.model
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import com.tangem.domain.tokens.model.Network
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import com.tangem.domain.walletconnect.model.sdkcopy.WcSdkSessionProposal
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import com.tangem.domain.wallets.models.UserWallet
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import com.tangem.domain.walletconnect.model.sdkcopy.WcAppMetaData
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import com.tangem.domain.wallets.models.UserWalletId
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data class WcSessionProposal(
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val dAppInfo: WcSdkSessionProposal,
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val dAppMetaData: WcAppMetaData,
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val proposalNetwork: Map<UserWalletId, ProposalNetwork>,
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val securityStatus: Any,
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) {
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// todo(wc) should map for all user wallets?
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val wallet: UserWallet,
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val missingChains: List<Network>,
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val availableChains: List<Network>,
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val notAddedChains: List<Network>,
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)
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data class ProposalNetwork(
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val walletId: UserWalletId,
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val missingRequired: Set<WcNetwork.Supported>,
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val required: Set<WcNetwork.Supported>,
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val available: Set<WcNetwork.Supported>,
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val notAdded: Set<WcNetwork.Supported>,
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)
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}
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@ -0,0 +1,15 @@
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package com.tangem.domain.walletconnect.model.sdkcopy
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/**
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* copy of [com.reown.android.Core.Model.AppMetaData]
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*/
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data class WcAppMetaData(
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val name: String,
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val description: String,
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val url: String,
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val icons: List<String>,
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val redirect: String?,
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val appLink: String? = null,
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val linkMode: Boolean = false,
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val verifyUrl: String? = null,
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)
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@ -1,18 +0,0 @@
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package com.tangem.domain.walletconnect.request
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import com.squareup.moshi.Moshi
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import com.squareup.moshi.adapter
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import com.tangem.domain.walletconnect.model.WcMethod
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import com.tangem.domain.walletconnect.model.WcRequest
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interface WcRequestHandler<M : WcMethod> {
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fun canHandle(methodName: String): Boolean
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fun deserialize(methodName: String, params: String): M?
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fun handle(wcRequest: WcRequest<M>)
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companion object {
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@OptIn(ExperimentalStdlibApi::class)
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inline fun <reified T> fromJson(params: String, moshi: Moshi): T? =
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runCatching { moshi.adapter<T>().fromJsonValue(params) }.getOrNull()
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}
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}
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@ -3,5 +3,5 @@ package com.tangem.domain.walletconnect.usecase
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import kotlinx.coroutines.flow.Flow
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interface WcUseCasesFlowProvider {
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val flow: Flow<WcUseCase>
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val useCases: Flow<WcUseCase>
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}
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@ -1,53 +0,0 @@
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package com.tangem.domain.walletconnect.usecase.ethereum
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import com.squareup.moshi.Moshi
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import com.tangem.domain.walletconnect.model.WcRequest
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import com.tangem.domain.walletconnect.request.WcRequestHandler
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import com.tangem.domain.walletconnect.respond.WcRespondService
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import com.tangem.domain.walletconnect.usecase.WcUseCase
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import com.tangem.domain.walletconnect.usecase.WcUseCasesFlowProvider
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import com.tangem.domain.walletconnect.usecase.ethereum.WcEthMethod.SignMessage
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import kotlinx.coroutines.channels.Channel
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import kotlinx.coroutines.flow.receiveAsFlow
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@Suppress("UnusedPrivateClass") // todo(wc) remove later
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private class WcEthChain(
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val moshi: Moshi,
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private val respondService: WcRespondService,
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) : WcRequestHandler<WcEthMethod>, WcUseCasesFlowProvider {
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private val _flow: Channel<WcUseCase> = Channel(Channel.BUFFERED)
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override val flow = _flow.receiveAsFlow()
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override fun canHandle(methodName: String): Boolean {
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return Name.entries.find { it.raw == methodName } != null
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}
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override fun deserialize(methodName: String, params: String): WcEthMethod? {
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val name = Name.entries.find { it.raw == methodName } ?: return null
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return when (name) {
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Name.Sign -> TODO()
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Name.PersonalSign -> WcRequestHandler.fromJson<SignMessage>(params, moshi)
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Name.SignTypeData -> TODO()
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Name.SignTypeDataV4 -> TODO()
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Name.SignTransaction -> TODO()
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Name.SendTransaction -> TODO()
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}
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}
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override fun handle(wcRequest: WcRequest<WcEthMethod>) {
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val useCase = when (wcRequest.method) {
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is SignMessage -> EthPersonalSignUseCase(wcRequest as WcRequest<SignMessage>, respondService)
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}
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_flow.trySend(useCase)
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}
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enum class Name(val raw: String) {
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Sign("eth_sign"),
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PersonalSign("personal_sign"),
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SignTypeData("eth_signTypedData"),
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SignTypeDataV4("eth_signTypedData_v4"),
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SignTransaction("eth_signTransaction"),
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SendTransaction("eth_sendTransaction"),
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}
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}
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@ -1,24 +1,23 @@
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package com.tangem.domain.walletconnect.usecase.pair
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import arrow.core.Either
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import com.tangem.domain.walletconnect.model.WcPairError
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import com.tangem.domain.walletconnect.model.WcSession
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import com.tangem.domain.walletconnect.model.WcSessionApprove
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import com.tangem.domain.walletconnect.model.WcSessionProposal
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sealed interface WcPairState {
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data object Loading : WcPairState
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data class Error(val throwable: Throwable) : WcPairState
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data class Proposal(
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val dAppSession: WcSessionProposal,
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val securityStatus: Any,
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) : WcPairState
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data class Error(val error: WcPairError) : WcPairState
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data class Proposal(val dAppSession: WcSessionProposal) : WcPairState
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sealed interface Approving : WcPairState {
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val session: WcSessionProposal
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val session: WcSessionApprove
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data class Loading(override val session: WcSessionProposal) : Approving
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data class Loading(override val session: WcSessionApprove) : Approving
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data class Result(
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override val session: WcSessionProposal,
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val result: Either<Throwable, WcSession>,
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override val session: WcSessionApprove,
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val result: Either<WcPairError, WcSession>,
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) : Approving
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}
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}
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@ -1,6 +1,6 @@
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package com.tangem.domain.walletconnect.usecase.pair
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import com.tangem.domain.walletconnect.model.WcSessionProposal
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import com.tangem.domain.walletconnect.model.WcSessionApprove
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import com.tangem.domain.wallets.models.UserWallet
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import kotlinx.coroutines.flow.Flow
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@ -8,12 +8,7 @@ interface WcPairUseCase {
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fun pairFlow(uri: String, source: Source, selectedWallet: UserWallet): Flow<WcPairState>
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// todo(wc) should map for all user wallets without this action in domain layer?
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fun onWalletSelect(selectedWallet: UserWallet)
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// todo(wc) accounts in future?
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fun onAccountSelect(account: Any)
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fun approve(sessionForApprove: WcSessionProposal)
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fun approve(sessionForApprove: WcSessionApprove)
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fun reject()
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enum class Source { QR, DEEPLINK, ETC }
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