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Updated on 2026-08-14

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Tangem 2018-12-18 11:42:27 +03:00
parent abc5bc3d14
commit 6948a2c04a
8 changed files with 121 additions and 29 deletions
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18
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
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@ -295,7 +295,7 @@ public abstract class CoinEngine {
/**
* Notification that the all requests in sequence completed
* Call after a last request completed
* If occurred error return in ctx.error
* If occurred error return in {@link TangemContext} {@see TangemContext.getError()}
*
* @param success -*
*/
@ -319,12 +319,26 @@ public abstract class CoinEngine {
/**
* Start sequence of request to blockchain nodes needed to get balance and other information (for example unspent transaction) needed to
* show current state of wallet and prepare new withdrawal transaction
* Save result in {@link CoinData}
* If occurred error can be get at onComplete callback in {@link TangemContext}.getError()
* @param blockchainRequestsCallbacks - notifications
* @throws Exception
* @throws Exception if something goes wrong
*/
public abstract void requestBalanceAndUnspentTransactions(BlockchainRequestsCallbacks blockchainRequestsCallbacks) throws Exception;
/**
* Start sequence of request to blockchain nodes needed to get fee amount for a new transaction
* Save result in {@link CoinData} minFee, maxFee, normalFee
* @param blockchainRequestsCallbacks - notifications
* @throws Exception if something goes wrong
*/
public abstract void requestFee(BlockchainRequestsCallbacks blockchainRequestsCallbacks, String targetAddress, Amount amount) throws Exception;
/**
* Start sequence of request to blockchain nodes needed to send new transaction
* If occurred error can be get at onComplete callback in {@link TangemContext}.getError()
* @param blockchainRequestsCallbacks - notifications
* @throws Exception if something goes wrong
*/
public abstract void requestSendTransaction(BlockchainRequestsCallbacks blockchainRequestsCallbacks, byte[] txForSend) throws Exception;
}