Initialize_TX_store

// initialize tx store

Load

// this will load the variable, and if the key is found

Store

// store variable

SendExternal

// store variable

ReceiveInternal

// if TXID is not already loaded, load it

SendInternal

Balance

// this will give the balance, will load the balance from disk

handle all internal receives
handle all internal sends
handle all external sends

HasBalance

// whether the scid has enough balance