Usage: account.fetchTransactionInfo()
Description: Fetch a specific transaction from the transport layer
Notes: This method will have breaking changes with SPV implementation. We encourage you with using Storage or DAPI-Client.

Parameters:

parameters	type	required	Description
transactionId	String	yes	identifier of the Transaction to retrieve

Returns : transaction object (metadata : txid, blockhash, blockheight, blocktime, fees, size, vout, vin, txlock).