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Updated on 2026-08-14

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This commit is contained in:
Tangem 2024-04-03 12:05:24 +03:00
parent f9ace58267
commit 5dec166e7c
7 changed files with 74 additions and 39 deletions
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33
libs/visa/src/main/kotlin/com/tangem/lib/visa/DefaultVisaContractInfoProvider.kt
View file

@ -1,9 +1,8 @@
package com.tangem.lib.visa
import arrow.fx.coroutines.parZip
import com.tangem.lib.visa.model.VisaBalancesAndLimits
import com.tangem.lib.visa.model.VisaBalancesAndLimits.Balances
import com.tangem.lib.visa.model.VisaBalancesAndLimits.Limits
import com.tangem.lib.visa.model.VisaContractInfo
import com.tangem.lib.visa.model.VisaContractInfo.*
import com.tangem.lib.visa.utils.toBigDecimal
import com.tangem.lib.visa.utils.toInstant
import com.tangem.utils.coroutines.CoroutineDispatcherProvider
@ -21,7 +20,7 @@ internal class DefaultVisaContractInfoProvider(
private val dispatchers: CoroutineDispatcherProvider,
) : VisaContractInfoProvider {
override suspend fun getBalancesAndLimits(walletAddress: String): VisaBalancesAndLimits {
override suspend fun getContractInfo(walletAddress: String): VisaContractInfo {
return parZip(
dispatchers.io,
{ loadPaymentAccount(walletAddress) },
@ -64,15 +63,35 @@ internal class DefaultVisaContractInfoProvider(
private suspend fun fetchBalancesAndLimits(
paymentAccount: TangemPaymentAccount,
paymentToken: PaymentTokenInfo,
): VisaBalancesAndLimits = parZip(
): VisaContractInfo = parZip(
dispatchers.io,
{ fetchToken(paymentAccount) },
{ fetchBalances(paymentAccount, paymentToken) },
{ fetchLimits(paymentAccount, paymentToken) },
{ balances, (oldLimit, newLimit, changeDate) ->
VisaBalancesAndLimits(balances, oldLimit, newLimit, changeDate)
{ token, balances, (oldLimit, newLimit, changeDate) ->
VisaContractInfo(token, balances, oldLimit, newLimit, changeDate)
},
)
private suspend fun fetchToken(paymentAccount: TangemPaymentAccount): Token {
val paymentTokenContractAddress = paymentAccount.paymentToken().send()
val paymentTokenContract = ERC20.load(paymentTokenContractAddress, web3j, transactionManager, gasProvider)
return parZip(
dispatchers.io,
{ paymentTokenContract.name().send() },
{ paymentTokenContract.symbol().send() },
{ paymentTokenContract.decimals().send() },
) { name, symbol, decimals ->
Token(
name = name,
symbol = symbol,
decimals = decimals.toInt(),
address = paymentTokenContractAddress,
)
}
}
private suspend fun fetchBalances(paymentAccount: TangemPaymentAccount, paymentToken: PaymentTokenInfo): Balances {
return parZip(
dispatchers.io,

4
libs/visa/src/main/kotlin/com/tangem/lib/visa/VisaContractInfoProvider.kt
View file

@ -2,7 +2,7 @@ package com.tangem.lib.visa
import com.ihsanbal.logging.Level
import com.ihsanbal.logging.LoggingInterceptor
import com.tangem.lib.visa.model.VisaBalancesAndLimits
import com.tangem.lib.visa.model.VisaContractInfo
import com.tangem.lib.visa.utils.VisaConfig
import com.tangem.lib.visa.utils.VisaConfig.NETWORK_LOGS_TAG
import com.tangem.lib.visa.utils.toHexString
@ -21,7 +21,7 @@ import java.util.concurrent.TimeUnit
interface VisaContractInfoProvider {
suspend fun getBalancesAndLimits(walletAddress: String): VisaBalancesAndLimits
suspend fun getContractInfo(walletAddress: String): VisaContractInfo
class Builder(
private val isNetworkLoggingEnabled: Boolean,

10
libs/visa/src/main/kotlin/com/tangem/lib/visa/model/VisaBalancesAndLimits.kt → libs/visa/src/main/kotlin/com/tangem/lib/visa/model/VisaContractInfo.kt
View file

@ -4,13 +4,21 @@ import org.joda.time.Instant
import java.math.BigDecimal
import java.math.BigInteger
data class VisaBalancesAndLimits(
data class VisaContractInfo(
val token: Token,
val balances: Balances,
val oldLimits: Limits,
val newLimits: Limits,
val limitsChangeDate: Instant,
) {
data class Token(
val name: String,
val symbol: String,
val decimals: Int,
val address: String,
)
data class Balances(
val total: BigDecimal,
val verified: BigDecimal,