Package org.exoplatform.wallet.service

Interface BlockchainTransactionService

  • public interface BlockchainTransactionService

    • Method Detail

      • sendPendingTransactionsToBlockchain

        List<TransactionDetail> sendPendingTransactionsToBlockchain()
        Sends raw transactions to blockchain
        Returns:
        List of TransactionDetail asynchronously after sent to blockchain

      • refreshTransactionFromBlockchain

        TransactionDetail refreshTransactionFromBlockchain​(String transactionHash)
        This will refresh transaction from blockchain. If the transaction detail exists in database, it will update its status, else it will create a new one with data found on Blockchain mined Transaction
        Parameters:
        transactionHash - hash of transaction to update
        Returns:
        refreshed TransactionDetail from blockchain

      • getGasPrice

        double getGasPrice()
            throws IOException
        Get gas price from blockchain
        Returns:
        last gas price retrieved from blockchain
        Throws:
        IOException - when an error occurs while requesting gas price from blockchain

      • hasManagedWalletInTransaction

        boolean hasManagedWalletInTransaction​(ContractTransactionEvent contractEvent)
        Checks whether the Contract Transaction Topics contains a managed wallet
        Parameters:
        contractEvent - Contract Event Log
        Returns:
        true if a wallet is found in topics list

      • startWatchingBlockchain

        Future startWatchingBlockchain()
        Renew subscription to listen to new transactions from Blockchain
        Returns:
        Future of async watching operation

      • stopWatchingBlockchain

        void stopWatchingBlockchain()
        Stop subscription to listen on Blockchain

      • getLastWatchedBlockNumber

        long getLastWatchedBlockNumber()
        Returns:
        last watched block number

      • saveLastWatchedBlockNumber

        void saveLastWatchedBlockNumber​(long lastWatchedBlockNumber)
        Saves last watched block number
        Parameters:
        lastWatchedBlockNumber -