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Updated on 2026-08-14

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This commit is contained in:
Tangem 2019-11-25 14:17:41 +03:00
parent 8d716f97ed
commit f58b09ccd0
3 changed files with 30 additions and 3 deletions
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28
tangem-core/src/main/java/com/tangem/CardManager.kt
View file

@ -37,6 +37,8 @@ class CardManager(
* [ScanEvent.OnVerifyEvent] after completing [com.tangem.commands.CheckWalletCommand]
* [TaskEvent.Completion] with an error field null after successful completion of a task or
* [TaskEvent.Completion] with a [TaskError] if some error occurs.
* @param callback is triggered on events during a performance of the task,
* provides data in form of [ScanEvent] subclasses.
*/
fun scanCard(callback: (result: TaskEvent<ScanEvent>) -> Unit) {
val task = ScanTask()
@ -58,8 +60,8 @@ class CardManager(
* It is for [CardManagerDelegate] to notify users of security delay.
* @param hashes Array of transaction hashes. It can be from one or up to ten hashes of the same length.
* @param cardId CID, Unique Tangem card ID number
* @param callback
*
* @param callback is triggered on the completion of the [SignCommand],
* provides card response in the form of [SignResponse].
*/
fun sign(hashes: Array<ByteArray>, cardId: String,
callback: (result: TaskEvent<SignResponse>) -> Unit) {
@ -78,6 +80,15 @@ class CardManager(
runTask(task, cardId, callback)
}
/**
* This command returns 512-byte Issuer Data field and its issuer’s signature.
* Issuer Data is never changed or parsed from within the Tangem COS. The issuer defines purpose of use,
* format and payload of Issuer Data. For example, this field may contain information about
* wallet balance signed by the issuer or additional issuer’s attestation data.
* @param cardId CID, Unique Tangem card ID number.
* @param callback is triggered on the completion of the [ReadIssuerDataCommand],
* provides card response in the form of [ReadIssuerDataResponse].
*/
fun readIssuerData(cardId: String,
callback: (result: TaskEvent<ReadIssuerDataResponse>) -> Unit) {
val getIssuerDataCommand = ReadIssuerDataCommand(cardId)
@ -85,7 +96,18 @@ class CardManager(
runTask(task, cardId, callback)
}
/**
* This command writes 512-byte Issuer Data field and its issuer’s signature.
* Issuer Data is never changed or parsed from within the Tangem COS. The issuer defines purpose of use,
* format and payload of Issuer Data. For example, this field may contain information about
* wallet balance signed by the issuer or additional issuer’s attestation data.
* @param cardId CID, Unique Tangem card ID number.
* @param issuerData Data provided by issuer.
* @param issuerDataSignature Issuer’s signature of [issuerData] with Issuer Data Private Key (which is kept on card).
* @param issuerDataCounter An optional counter that protect issuer data against replay attack.
* @param callback is triggered on the completion of the [WriteIssuerDataCommand],
* provides card response in the form of [WriteIssuerDataResponse].
*/
fun writeIssuerData(cardId: String,
issuerData: ByteArray,
issuerDataSignature: ByteArray,

1
tangem-core/src/main/java/com/tangem/commands/ReadIssuerDataCommand.kt
View file

@ -47,6 +47,7 @@ class ReadIssuerDataResponse(
* Issuer Data is never changed or parsed from within the Tangem COS. The issuer defines purpose of use,
* format and payload of Issuer Data. For example, this field may contain information about
* wallet balance signed by the issuer or additional issuer’s attestation data.
* @property cardId CID, Unique Tangem card ID number.
*/
class ReadIssuerDataCommand(
private val cardId: String

4
tangem-core/src/main/java/com/tangem/commands/WriteIssuerDataCommand.kt
View file

@ -24,6 +24,10 @@ class WriteIssuerDataResponse(
* Issuer Data is never changed or parsed from within the Tangem COS. The issuer defines purpose of use,
* format and payload of Issuer Data. For example, this field may contain information about
* wallet balance signed by the issuer or additional issuer’s attestation data.
* @property cardId CID, Unique Tangem card ID number.
* @property issuerData Data provided by issuer.
* @property issuerDataSignature Issuer’s signature of [issuerData] with Issuer Data Private Key (which is kept on card).
* @property issuerDataCounter An optional counter that protect issuer data against replay attack.
*/
class WriteIssuerDataCommand(
private val cardId: String,