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Updated on 2026-08-14

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Tangem 2022-07-20 15:47:17 +03:00
parent 29ace6c40b
commit e6b409eadc
4 changed files with 42 additions and 32 deletions
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48
app/src/main/java/com/tangem/tap/domain/TangemSigner.kt
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@ -5,52 +5,29 @@ import com.tangem.TangemSdk
import com.tangem.blockchain.common.TransactionSigner
import com.tangem.blockchain.common.Wallet
import com.tangem.common.CompletionResult
import com.tangem.tap.domain.tasks.SignHashTask
import com.tangem.common.card.Card
import com.tangem.tap.domain.tasks.SignHashesTask
import kotlin.coroutines.resume
import kotlin.coroutines.suspendCoroutine
class TangemSigner(
private val card: Card,
private val tangemSdk: TangemSdk,
private val initialMessage: Message,
private val signerCallback: (TangemSignerResponse) -> Unit,
) : TransactionSigner {
override suspend fun sign(
hash: ByteArray,
publicKey: Wallet.PublicKey
): CompletionResult<ByteArray> {
return suspendCoroutine { continuation ->
val command = SignHashTask(hash, publicKey)
tangemSdk.startSessionWithRunnable(
runnable = command,
initialMessage = initialMessage,
) { result ->
when (result) {
is CompletionResult.Success -> {
signerCallback(
TangemSignerResponse(
result.data.totalSignedHashes,
result.data.remainingSignatures
)
)
continuation.resume(CompletionResult.Success(result.data.signature))
}
is CompletionResult.Failure ->
continuation.resume(CompletionResult.Failure(result.error))
}
}
}
}
override suspend fun sign(
hashes: List<ByteArray>,
publicKey: Wallet.PublicKey
): CompletionResult<List<ByteArray>> {
return suspendCoroutine { continuation ->
val cardId = if (card.backupStatus?.isActive == true) null else card.cardId
val task = SignHashesTask(hashes, publicKey)
tangemSdk.startSessionWithRunnable(
runnable = task,
cardId = cardId,
initialMessage = initialMessage,
) { result ->
when (result) {
@ -69,6 +46,21 @@ class TangemSigner(
}
}
}
override suspend fun sign(
hash: ByteArray,
publicKey: Wallet.PublicKey
): CompletionResult<ByteArray> {
val result = sign(
hashes = listOf(hash),
publicKey = publicKey
)
return when (result) {
is CompletionResult.Success -> CompletionResult.Success(result.data.first())
is CompletionResult.Failure -> CompletionResult.Failure(result.error)
}
}
}
data class TangemSignerResponse(