# Functions
checkTxFee is an internal function used to check whether the fee of the given transaction is _reasonable_(under the cap).
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GetPendingTx search for tx in pool.
GetPendingTxCountByAddress is used to get pending tx count (nonce) for user address NOTE: Working right now only with legacy tx.
GetPendingTransactions search for txs in pool.
GetPendingTxsWithCallback search for txs in pool and return in callback form.