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Updated on 2026-08-14

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Tangem 2020-04-15 07:55:01 +00:00
commit 7516c39c82
14 changed files with 514 additions and 7 deletions
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3
app/src/main/java/com/tangem/data/Blockchain.java
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@ -32,7 +32,8 @@ public enum Blockchain {
Eos("EOS", "EOS", 10000.0, R.drawable.tangem2, "EOS"),
Ducatus("DUC", "DUC", 100000000.0, R.drawable.tangem2, "Ducatus"),
Tezos("TEZOS", "XTZ", 10000000.0, R.drawable.ic_logo_tezos, "Tezos"),
FlowDemo("FLOW/demo", "", 1.0, R.drawable.tangem2, "Flow demo");
FlowDemo("FLOW/demo", "", 1.0, R.drawable.tangem2, "Flow demo"),
TokenEmv("TTW", "ETH", 1.0, R.drawable.ic_logo_ethereum, "Ethereum");
Blockchain(String ID, String currency, double multiplier, int imageResource, String officialName) {
mID = ID;

8
app/src/main/java/com/tangem/data/network/Server.java
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@ -40,6 +40,14 @@ public class Server {
}
}
public static class ApiInfuraRopsten {
public static final String URL_INFURA_ROPSTEN = ServerURL.API_INFURA_ROPSTEN;
public static class Method {
public static final String MAIN = "v3/613a0b14833145968b1f656240c7d245";
}
}
public static class ApiSoChain {
public static final String URL = ServerURL.API_SOCHAIN_V2;

2
app/src/main/java/com/tangem/data/network/ServerApiInfura.java
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@ -42,6 +42,8 @@ public class ServerApiInfura {
public ServerApiInfura(Blockchain blockchain) {
if (blockchain == Blockchain.EthereumTestNet) {
infuraApi = App.Companion.getNetworkComponent().getRetrofitInfuraTestnet().create(InfuraApi.class);
} else if (blockchain == Blockchain.TokenEmv) {
infuraApi = App.Companion.getNetworkComponent().getRetrofitInfuraRopsten().create(InfuraApi.class);
}
}

53
app/src/main/java/com/tangem/data/network/ServerApiTokenEmv.kt Normal file
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@ -0,0 +1,53 @@
package com.tangem.data.network
import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
import com.tangem.data.network.model.TokenEmvGetTransferFeeAnswer
import com.tangem.data.network.model.TokenEmvGetTransferFeeBody
import com.tangem.data.network.model.TokenEmvTransferAnswer
import com.tangem.data.network.model.TokenEmvTransferBody
import com.tangem.tangem_card.util.Log
import io.reactivex.SingleObserver
import io.reactivex.android.schedulers.AndroidSchedulers
import io.reactivex.schedulers.Schedulers
import okhttp3.OkHttpClient
import okhttp3.logging.HttpLoggingInterceptor
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory
import retrofit2.converter.scalars.ScalarsConverterFactory
import java.util.concurrent.TimeUnit
class ServerApiTokenEmv {
private val TAG = ServerApiTokenEmv::class.java.simpleName
private val tangemServer = "https://emvsupport.appspot.com/"
private val tokenEmvApi = Retrofit.Builder()
.baseUrl(tangemServer)
.addConverterFactory(GsonConverterFactory.create())
.addConverterFactory(ScalarsConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create()) //logging for testing
.client(OkHttpClient.Builder().addInterceptor(
HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY)
).build())
.build()
.create(TokenEmvApi::class.java)
fun transfer(tokenEmvTransferBody: TokenEmvTransferBody, transferObserver: SingleObserver<TokenEmvTransferAnswer>) {
Log.i(TAG, "new transfer request")
tokenEmvApi.transfer(tokenEmvTransferBody)
.timeout(30, TimeUnit.SECONDS)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(transferObserver)
}
fun getTransferFee(tokenEmvGetTransferFeeBody: TokenEmvGetTransferFeeBody, transferObserver: SingleObserver<TokenEmvGetTransferFeeAnswer>) {
Log.i(TAG, "new get transfer fee request")
tokenEmvApi.getTransferFee(tokenEmvGetTransferFeeBody)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(transferObserver)
}
}

1
app/src/main/java/com/tangem/data/network/ServerURL.java
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@ -5,6 +5,7 @@ class ServerURL {
static final String API_COINMARKETCAP = "https://pro-api.coinmarketcap.com/";
static final String API_INFURA = "https://mainnet.infura.io/";
static final String API_INFURA_TESTNET = "https://rinkeby.infura.io/";
static final String API_INFURA_ROPSTEN = "https://ropsten.infura.io/";
static final String API_SOCHAIN_V2 = "https://chain.so/";
static final String API_ESTIMATEFEE = "https://estimatefee.com/";
static final String API_UPDATE_VERSION = "https://raw.githubusercontent.com/";

17
app/src/main/java/com/tangem/data/network/TokenEmvApi.kt Normal file
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@ -0,0 +1,17 @@
package com.tangem.data.network
import com.tangem.data.network.model.TokenEmvGetTransferFeeAnswer
import com.tangem.data.network.model.TokenEmvGetTransferFeeBody
import com.tangem.data.network.model.TokenEmvTransferAnswer
import com.tangem.data.network.model.TokenEmvTransferBody
import io.reactivex.Completable
import io.reactivex.Single
import retrofit2.http.Body
import retrofit2.http.POST
interface TokenEmvApi {
@POST("./card/transfer")
fun transfer(@Body tokenEmvTransferBody: TokenEmvTransferBody): Single<TokenEmvTransferAnswer>
@POST("./card/transfer/fee")
fun getTransferFee(@Body tokenEmvGetTransferFeeBody: TokenEmvGetTransferFeeBody): Single<TokenEmvGetTransferFeeAnswer>
}

36
app/src/main/java/com/tangem/data/network/model/TokenEmvBody.kt Normal file
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@ -0,0 +1,36 @@
package com.tangem.data.network.model
import com.google.gson.annotations.SerializedName
data class TokenEmvTransferBody(
val CID: String,
val publicKey: String,
val amount: String,
val currency: String,
val recipient: String,
@SerializedName("fee_limit")
val feeLimit: String,
val sequence: Int,
val signature: String
)
data class TokenEmvTransferAnswer(
val error: String?,
val errorCode: Int?,
val success: Boolean?,
val tx_id: String?,
val blockchain_tx_id: String?
)
data class TokenEmvGetTransferFeeBody(
val CID: String,
val publicKey: String
)
data class TokenEmvGetTransferFeeAnswer(
val error: String?,
val errorCode: Int?,
val success: Boolean?,
val fee: String?,
val currency: String?
)