PWN-8904 - Striga API. get_estimated_fees

app/src/main/java/org/p2p/wallet/striga/wallet/api/StrigaWalletApi.kt

@@ -6,9 +6,11 @@ import org.p2p.wallet.striga.wallet.api.request.StrigaAddWhitelistedAddressReque
 import org.p2p.wallet.striga.wallet.api.request.StrigaEnrichAccountRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaGetWhitelistedAddressesRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaInitiateOnchainWithdrawalRequest
+import org.p2p.wallet.striga.wallet.api.request.StrigaOnchainWithdrawalFeeRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaUserWalletsRequest
 import org.p2p.wallet.striga.wallet.api.response.StrigaEnrichFiatAccountResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaInitiateOnchainWithdrawalResponse
+import org.p2p.wallet.striga.wallet.api.response.StrigaOnchainWithdrawalFeeResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaUserWalletsResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaWhitelistedAddressItemResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaWhitelistedAddressesResponse
@@ -35,8 +37,17 @@ interface StrigaWalletApi {
      * So use it for fiat accounts only
      */
     @POST("v1/wallets/account/enrich")
-    suspend fun enrichFiatAccount(@Body body: StrigaEnrichAccountRequest): StrigaEnrichFiatAccountResponse
+    suspend fun enrichFiatAccount(
+        @Body body: StrigaEnrichAccountRequest
+    ): StrigaEnrichFiatAccountResponse
 
     @POST("v1/wallets/get/all")
-    suspend fun getUserWallets(@Body body: StrigaUserWalletsRequest): StrigaUserWalletsResponse
+    suspend fun getUserWallets(
+        @Body body: StrigaUserWalletsRequest
+    ): StrigaUserWalletsResponse
+
+    @POST("v1/wallets/send/initiate/onchain/fee-estimate")
+    suspend fun getOnchainWithdrawalFees(
+        @Body body: StrigaOnchainWithdrawalFeeRequest
+    ): StrigaOnchainWithdrawalFeeResponse
 }

app/src/main/java/org/p2p/wallet/striga/wallet/api/request/StrigaOnchainWithdrawalFeeRequest.kt

@@ -0,0 +1,18 @@
+package org.p2p.wallet.striga.wallet.api.request
+
+import com.google.gson.annotations.SerializedName
+
+/**
+ * @param amountInUnits The amount denominated in the smallest divisible unit of the sending currency.
+ * For example: cents or satoshis
+ */
+class StrigaOnchainWithdrawalFeeRequest(
+    @SerializedName("userId")
+    val userId: String,
+    @SerializedName("sourceAccountId")
+    val sourceAccountId: String,
+    @SerializedName("whitelistedAddressId")
+    val whitelistedAddressId: String,
+    @SerializedName("amount")
+    val amountInUnits: String,
+)

app/src/main/java/org/p2p/wallet/striga/wallet/api/response/StrigaInitiateOnchainWithdrawalResponse.kt

@@ -10,7 +10,7 @@ class StrigaInitiateOnchainWithdrawalResponse(
     @SerializedName("transaction")
     val transaction: Transaction,
     @SerializedName("feeEstimate")
-    val feeEstimate: FeeEstimate,
+    val feeEstimate: StrigaOnchainWithdrawalFeeResponse,
 ) {
 
     class Transaction(
@@ -35,21 +35,4 @@ class StrigaInitiateOnchainWithdrawalResponse(
         @SerializedName("transactionCurrency")
         val transactionCurrency: String,
     )
-
-    class FeeEstimate(
-        @SerializedName("totalFee")
-        val totalFee: String,
-        @SerializedName("networkFee")
-        val networkFee: String,
-        @SerializedName("ourFee")
-        val ourFee: String,
-        @SerializedName("theirFee")
-        val theirFee: String,
-        @SerializedName("feeCurrency")
-        val feeCurrency: String,
-        @SerializedName("gasLimit")
-        val gasLimit: String,
-        @SerializedName("gasPrice")
-        val gasPrice: String,
-    )
 }

app/src/main/java/org/p2p/wallet/striga/wallet/api/response/StrigaOnchainWithdrawalFeeResponse.kt

@@ -0,0 +1,20 @@
+package org.p2p.wallet.striga.wallet.api.response
+
+import com.google.gson.annotations.SerializedName
+
+data class StrigaOnchainWithdrawalFeeResponse(
+    @SerializedName("totalFee")
+    val totalFee: String,
+    @SerializedName("networkFee")
+    val networkFee: String,
+    @SerializedName("ourFee")
+    val ourFee: String,
+    @SerializedName("theirFee")
+    val theirFee: String,
+    @SerializedName("feeCurrency")
+    val feeCurrency: String,
+    @SerializedName("gasLimit")
+    val gasLimit: String,
+    @SerializedName("gasPrice")
+    val gasPrice: String
+)

app/src/main/java/org/p2p/wallet/striga/wallet/models/StrigaInitiateOnchainWithdrawalDetails.kt

@@ -1,7 +1,6 @@
 package org.p2p.wallet.striga.wallet.models
 
 import android.os.Parcelable
-import com.google.gson.annotations.SerializedName
 import org.threeten.bp.ZonedDateTime
 import java.math.BigDecimal
 import java.math.BigInteger
@@ -15,7 +14,7 @@ data class StrigaInitiateOnchainWithdrawalDetails(
     val challengeId: StrigaWithdrawalChallengeId,
     val dateExpires: ZonedDateTime,
     val transaction: Transaction,
-    val feeEstimate: FeeEstimate,
+    val feeEstimate: StrigaOnchainWithdrawalFees,
 ) : Parcelable {
 
     /**
@@ -35,16 +34,15 @@ data class StrigaInitiateOnchainWithdrawalDetails(
         val blockchainNetwork: StrigaBlockchainNetworkInfo,
         val transactionCurrency: StrigaNetworkCurrency,
     ) : Parcelable
-
-    @Parcelize
-    class FeeEstimate(
-        val totalFee: BigInteger,
-        val networkFee: BigInteger,
-        val ourFee: BigInteger,
-        val theirFee: BigInteger,
-        val feeCurrency: StrigaNetworkCurrency,
-        val gasLimit: BigInteger,
-        @SerializedName("gasPrice")
-        val gasPrice: BigDecimal,
-    ) : Parcelable
 }
+
+@Parcelize
+class StrigaOnchainWithdrawalFees(
+    val totalFee: BigInteger,
+    val networkFee: BigInteger,
+    val ourFee: BigInteger,
+    val theirFee: BigInteger,
+    val feeCurrency: StrigaNetworkCurrency,
+    val gasLimit: BigInteger,
+    val gasPrice: BigDecimal,
+) : Parcelable

app/src/main/java/org/p2p/wallet/striga/wallet/repository/StrigaWalletRemoteRepository.kt

@@ -11,10 +11,12 @@ import org.p2p.wallet.striga.wallet.api.request.StrigaAddWhitelistedAddressReque
 import org.p2p.wallet.striga.wallet.api.request.StrigaEnrichAccountRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaGetWhitelistedAddressesRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaInitiateOnchainWithdrawalRequest
+import org.p2p.wallet.striga.wallet.api.request.StrigaOnchainWithdrawalFeeRequest
 import org.p2p.wallet.striga.wallet.api.request.StrigaUserWalletsRequest
 import org.p2p.wallet.striga.wallet.models.StrigaFiatAccountDetails
 import org.p2p.wallet.striga.wallet.models.StrigaInitiateOnchainWithdrawalDetails
 import org.p2p.wallet.striga.wallet.models.StrigaNetworkCurrency
+import org.p2p.wallet.striga.wallet.models.StrigaOnchainWithdrawalFees
 import org.p2p.wallet.striga.wallet.models.StrigaUserWallet
 import org.p2p.wallet.striga.wallet.models.StrigaWhitelistedAddressItem
 import org.p2p.wallet.striga.wallet.models.ids.StrigaAccountId
@@ -50,6 +52,28 @@ class StrigaWalletRemoteRepository(
         }
     }
 
+    override suspend fun getOnchainWithdrawalFees(
+        sourceAccountId: StrigaAccountId,
+        whitelistedAddressId: StrigaWhitelistedAddressId,
+        amount: BigInteger,
+    ): StrigaDataLayerResult<StrigaOnchainWithdrawalFees> {
+        return try {
+            val request = StrigaOnchainWithdrawalFeeRequest(
+                userId = strigaUserIdProvider.getUserIdOrThrow(),
+                sourceAccountId = sourceAccountId.value,
+                whitelistedAddressId = whitelistedAddressId.value,
+                amountInUnits = amount.toString()
+            )
+            val response = api.getOnchainWithdrawalFees(request)
+            return mapper.fromNetwork(response).toSuccessResult()
+        } catch (error: Throwable) {
+            StrigaDataLayerError.from(
+                error = error,
+                default = StrigaDataLayerError.InternalError(error)
+            )
+        }
+    }
+
     override suspend fun addWhitelistedAddress(
         userId: String,
         address: String,

app/src/main/java/org/p2p/wallet/striga/wallet/repository/StrigaWalletRepository.kt

@@ -5,6 +5,7 @@ import org.p2p.wallet.striga.model.StrigaDataLayerResult
 import org.p2p.wallet.striga.wallet.models.StrigaFiatAccountDetails
 import org.p2p.wallet.striga.wallet.models.StrigaInitiateOnchainWithdrawalDetails
 import org.p2p.wallet.striga.wallet.models.StrigaNetworkCurrency
+import org.p2p.wallet.striga.wallet.models.StrigaOnchainWithdrawalFees
 import org.p2p.wallet.striga.wallet.models.StrigaUserWallet
 import org.p2p.wallet.striga.wallet.models.StrigaWhitelistedAddressItem
 import org.p2p.wallet.striga.wallet.models.ids.StrigaAccountId
@@ -71,4 +72,9 @@ interface StrigaWalletRepository {
     ): StrigaDataLayerResult<StrigaFiatAccountDetails>
 
     suspend fun getUserWallet(): StrigaDataLayerResult<StrigaUserWallet>
+    suspend fun getOnchainWithdrawalFees(
+        sourceAccountId: StrigaAccountId,
+        whitelistedAddressId: StrigaWhitelistedAddressId,
+        amount: BigInteger
+    ): StrigaDataLayerResult<StrigaOnchainWithdrawalFees>
 }

app/src/main/java/org/p2p/wallet/striga/wallet/repository/StrigaWalletRepositoryMapper.kt

@@ -6,15 +6,17 @@ import org.p2p.core.utils.toBigIntegerOrZero
 import org.p2p.wallet.striga.wallet.api.response.StrigaBlockchainNetworkResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaEnrichFiatAccountResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaInitiateOnchainWithdrawalResponse
+import org.p2p.wallet.striga.wallet.api.response.StrigaOnchainWithdrawalFeeResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaWhitelistedAddressItemResponse
 import org.p2p.wallet.striga.wallet.api.response.StrigaWhitelistedAddressesResponse
-import org.p2p.wallet.striga.wallet.models.StrigaFiatAccountStatus
 import org.p2p.wallet.striga.wallet.models.StrigaBlockchainNetworkInfo
 import org.p2p.wallet.striga.wallet.models.StrigaFiatAccountDetails
+import org.p2p.wallet.striga.wallet.models.StrigaFiatAccountStatus
 import org.p2p.wallet.striga.wallet.models.StrigaInitiateOnchainWithdrawalDetails
 import org.p2p.wallet.striga.wallet.models.StrigaNetworkCurrency
 import org.p2p.wallet.striga.wallet.models.StrigaOnchainTxStatus
 import org.p2p.wallet.striga.wallet.models.StrigaOnchainTxType
+import org.p2p.wallet.striga.wallet.models.StrigaOnchainWithdrawalFees
 import org.p2p.wallet.striga.wallet.models.StrigaWhitelistedAddressItem
 import org.p2p.wallet.striga.wallet.models.ids.StrigaAccountId
 import org.p2p.wallet.striga.wallet.models.ids.StrigaWalletId
@@ -56,6 +58,10 @@ class StrigaWalletRepositoryMapper {
         )
     }
 
+    fun fromNetwork(response: StrigaOnchainWithdrawalFeeResponse): StrigaOnchainWithdrawalFees {
+        return response.toDetailsFeeEstimate()
+    }
+
     fun fromNetwork(item: StrigaWhitelistedAddressItemResponse): StrigaWhitelistedAddressItem {
         return StrigaWhitelistedAddressItem(
             id = StrigaWhitelistedAddressId(item.id),
@@ -74,9 +80,8 @@ class StrigaWalletRepositoryMapper {
         )
     }
 
-    private fun StrigaInitiateOnchainWithdrawalResponse.FeeEstimate.toDetailsFeeEstimate():
-        StrigaInitiateOnchainWithdrawalDetails.FeeEstimate {
-        return StrigaInitiateOnchainWithdrawalDetails.FeeEstimate(
+    private fun StrigaOnchainWithdrawalFeeResponse.toDetailsFeeEstimate(): StrigaOnchainWithdrawalFees {
+        return StrigaOnchainWithdrawalFees(
             totalFee = totalFee.toBigIntegerOrZero(),
             networkFee = networkFee.toBigIntegerOrZero(),
             ourFee = ourFee.toBigIntegerOrZero(),