AND-5815 Add AptosApi

blockchain/build.gradle

@@ -55,6 +55,7 @@ dependencies {
     implementation 'com.squareup.retrofit2:converter-moshi:2.6.0'
     implementation 'com.squareup.moshi:moshi:1.13.0'
     implementation "com.squareup.moshi:moshi-kotlin:1.13.0"
+    implementation 'com.squareup.moshi:moshi-adapters:1.9.1'
     kapt("com.squareup.moshi:moshi-kotlin-codegen:1.13.0")
     implementation 'com.squareup.okhttp3:logging-interceptor:4.9.3'
 

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/AptosApi.kt

@@ -0,0 +1,69 @@
+package com.tangem.blockchain.blockchains.aptos.network
+
+import com.tangem.blockchain.blockchains.aptos.network.request.TransactionBody
+import com.tangem.blockchain.blockchains.aptos.network.response.AptosResource
+import com.tangem.blockchain.blockchains.aptos.network.response.EstimateGasPriceResponse
+import com.tangem.blockchain.blockchains.aptos.network.response.SimulateTransactionResponse
+import com.tangem.blockchain.blockchains.aptos.network.response.SubmitTransactionResponse
+import retrofit2.http.*
+
+/**
+ * Aptos REST API
+ *
+ * @see <a href="https://fullnode.mainnet.aptoslabs.com/v1/spec#/">Aptos Node API</a>
+ *
+ * @author Andrew Khokhlov on 10/01/2024
+ */
+internal interface AptosApi {
+
+    /**
+     * Get account resources that contains information about account and balance
+     *
+     * @param address account address
+     *
+     * @see AptosResource to know more details about kind of resources
+     */
+    @Headers("Content-Type: application/json")
+    @GET("v1/accounts/{address}/resources")
+    suspend fun getAccountResources(@Path("address") address: String): List<AptosResource>
+
+    /**
+     * Gives an estimate of the gas unit price required to get a transaction on chain in a reasonable amount of time.
+     * The gas unit price is the amount that each transaction commits to pay for each unit of gas consumed
+     * in executing the transaction.
+     */
+    @Headers("Content-Type: application/json")
+    @GET("v1/estimate_gas_price")
+    suspend fun estimateGasPrice(): EstimateGasPriceResponse
+
+    /**
+     * Simulate transaction's sending. Use it to estimate the maximum gas units for a submitted transaction.
+     * Request queries:
+     *  - {estimate_gas_unit_price} - If set to true, the gas unit price in the transaction will be ignored and the
+     *                                  estimated value will be used
+     * - {estimate_max_gas_amount} - If set to true, the max gas value in the transaction will be ignored and the
+     *                                  maximum possible gas will be used
+     * - {estimate_prioritized_gas_unit_price} - If set to true, the transaction will use a higher price than the
+     *                                              original estimate
+     *
+     * @param body raw transaction data without signing transaction hash
+     */
+    @Headers("Content-Type: application/json")
+    @POST(
+        "v1/transactions/simulate?" +
+            "estimate_gas_unit_price=false&" +
+            "estimate_max_gas_amount=true&" +
+            "estimate_prioritized_gas_unit_price=false",
+    )
+    suspend fun simulateTransaction(@Body body: TransactionBody): List<SimulateTransactionResponse>
+
+    /** Build raw transaction data [body] and encode in BCS */
+    @Headers("Content-Type: application/json")
+    @POST("v1/transactions/encode_submission")
+    suspend fun encodeSubmission(@Body body: TransactionBody): String
+
+    /** Submit transaction [body] */
+    @Headers("Content-Type: application/json")
+    @POST("v1/transactions")
+    suspend fun submitTransaction(@Body body: TransactionBody): SubmitTransactionResponse
+}

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/request/TransactionBody.kt

@@ -0,0 +1,31 @@
+package com.tangem.blockchain.blockchains.aptos.network.request
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class TransactionBody(
+    @Json(name = "expiration_timestamp_secs") val expirationTimestamp: String,
+    @Json(name = "gas_unit_price") val gasUnitPrice: String,
+    @Json(name = "max_gas_amount") val maxGasAmount: String,
+    @Json(name = "payload") val payload: Payload,
+    @Json(name = "sender") val sender: String,
+    @Json(name = "sequence_number") val sequenceNumber: String,
+    @Json(name = "signature") val signature: Signature? = null,
+) {
+
+    @JsonClass(generateAdapter = true)
+    data class Payload(
+        @Json(name = "type") val type: String,
+        @Json(name = "function") val function: String,
+        @Json(name = "type_arguments") val argumentTypes: List<String>,
+        @Json(name = "arguments") val arguments: List<String>,
+    )
+
+    @JsonClass(generateAdapter = true)
+    data class Signature(
+        @Json(name = "type") val type: String,
+        @Json(name = "public_key") val publicKey: String,
+        @Json(name = "signature") val signature: String,
+    )
+}

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/response/AptosResource.kt

@@ -0,0 +1,49 @@
+package com.tangem.blockchain.blockchains.aptos.network.response
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import com.squareup.moshi.adapters.PolymorphicJsonAdapterFactory
+
+internal sealed class AptosResource {
+
+    @JsonClass(generateAdapter = true)
+    data class AccountResource(
+        @Json(name = "data") val account: AccountData,
+    ) : AptosResource() {
+
+        @JsonClass(generateAdapter = true)
+        data class AccountData(
+            @Json(name = "sequence_number") val sequenceNumber: String,
+        )
+    }
+
+    @JsonClass(generateAdapter = true)
+    data class CoinResource(
+        @Json(name = "data") val coin: CoinData,
+    ) : AptosResource() {
+
+        @JsonClass(generateAdapter = true)
+        data class CoinData(
+            @Json(name = "coin") val coin: Coin,
+        ) {
+
+            @JsonClass(generateAdapter = true)
+            data class Coin(
+                @Json(name = "value") val value: String,
+            )
+        }
+    }
+
+    object Unknown : AptosResource()
+
+    companion object {
+
+        fun createPolymorphicJsonAdapterFactory(): PolymorphicJsonAdapterFactory<AptosResource> {
+            return PolymorphicJsonAdapterFactory
+                .of(AptosResource::class.java, "type")
+                .withSubtype(AccountResource::class.java, "0x1::account::Account")
+                .withSubtype(CoinResource::class.java, "0x1::coin::CoinStore<0x1::aptos_coin::AptosCoin>")
+                .withDefaultValue(Unknown)
+        }
+    }
+}

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/response/EstimateGasPriceResponse.kt

@@ -0,0 +1,11 @@
+package com.tangem.blockchain.blockchains.aptos.network.response
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class EstimateGasPriceResponse(
+    @Json(name = "deprioritized_gas_estimate") val minimalGasUnitPrice: Long,
+    @Json(name = "gas_estimate") val normalGasUnitPrice: Long,
+    @Json(name = "prioritized_gas_estimate") val priorityGasUnitPrice: Long,
+)

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/response/SimulateTransactionResponse.kt

@@ -0,0 +1,11 @@
+package com.tangem.blockchain.blockchains.aptos.network.response
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class SimulateTransactionResponse(
+    @Json(name = "gas_used") val usedGasUnit: String,
+    @Json(name = "sequence_number") val sequenceNumber: String,
+    @Json(name = "success") val isSuccess: Boolean,
+)

blockchain/src/main/java/com/tangem/blockchain/blockchains/aptos/network/response/SubmitTransactionResponse.kt

@@ -0,0 +1,10 @@
+package com.tangem.blockchain.blockchains.aptos.network.response
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+internal data class SubmitTransactionResponse(
+    @Json(name = "hash") val hash: String,
+    @Json(name = "sequence_number") val sequenceNumber: String,
+)

blockchain/src/main/java/com/tangem/blockchain/network/RetrofitBuilder.kt

@@ -2,6 +2,7 @@ package com.tangem.blockchain.network
 
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
+import com.tangem.blockchain.blockchains.aptos.network.response.AptosResource
 import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import retrofit2.Retrofit
@@ -62,6 +63,7 @@ data class Timeout(
 internal val moshi: Moshi by lazy {
     Moshi.Builder()
         .add(BigDecimal::class.java, BigDecimalAdapter)
+        .add(AptosResource.createPolymorphicJsonAdapterFactory())
         .add(KotlinJsonAdapterFactory())
         .build()
 }