IsDailyChallengeOpen returns dailychallenge status

PerformMortgageTransaction returns mortgage transaction and/or error

RandString generates a random string which is n characters long

RegisterUser is called when a user tries to sign up in our site

SubtractUserCash subtracts cash for users account This function should be called ONLY AFTER lock is obtained on user

addAskToDepth adds an ask to the depth NOTE: 1. Only adds unfulfilled qty 2. It uses ask.StockQuantityFulfilled which gets written to by fillOrderF

addBidToDepth adds a bid to the depth. NOTE: 1. Only adds unfulfilled qty 2. It uses bid.StockQuantityFulfilled which gets written to by fillOrderF

Returns a key of length "length" given an hkdf function

getSingleStockCount() returns the stocks a user owns for a given stockId This method is *not* thread-safe. The caller is responsible for thread-safety

getTopMatchingBid checks for a matching bid from the orderbook for an incoming ask NOTE: 1. It does NOT remove the bid from the queue. 2. It does NOT

newBidPQueueImpl returns instances of bidPQueue meant for testing purposes

postLoginToPragyan() is used to make a post request to pragyan and return a pragyanUser struct.

CancelOrder cancels a user's order. It'll check if the user was the one who placed it. It returns the pointer to Ask/Bid (whichever it was - the other

GetMortgageDetails returns mortgage data about a user

Init configures and initializes the grpcapi package

Init initializes and configures the datastreams module

Init initializes the session package

Load returns a session from database given the session id

NewMockAskPQueue creates a new mock instance

NewMockBidPQueue creates a new mock instance

NewMockMarketDepthStream creates a new mock instance

SetIsDailyChallengeOpen update IsDailyChallengeOpen in db

** * StartStockMatching listens for incoming orders for a particular stock and process them. * NOTE: It will spawn a new go routine. It needn't be

ToProto converts trade to its proto representation

createUser() creates a user given his email and name.

decodeSubscriptionKey decodes a base64 subscription key. if necessary, add "=" padding to the key for URL decode

Function to get number of users from db

getPlaceOrderTransactionDetails returns price and quantity at which PlaceOrderTransaction was created

Helper to calculate tax for bidding user. It is assumed that an Exclusive Read and Write lock is already obtained for the user. DO NOT call this funct

* * Helper function to check if a transaction is possible */

processAsk tries to match an incoming ask with existing bids and carry out a trade if possible. NOTE: 0. The ask shouldn't be a stoploss. It's either

processBid tries to match an incoming bid with existing asks and carry out a trade if possible. NOTE: 0. The bid shouldn't be a stoploss. It's either

saveBidCancelOrderTransaction creates a CancelOrderTransaction for Ask orders and pushses to stream

savePlaceOrderTransaction saves PlaceOrderTransaction and creates a mapping between orderId and

updates available stocks for lend, saves shortsell transaction and creates shortsell lend later squareOff utility func, called inside placeAskOrder fu

* * Method to check and trigger(if possible) StopLoss orders whenever a transaction occurs */

update available stocks for shorting for a stock

AddAskOrder adds a NEW ask order to the book. It will take care of adding stopLoss. It should NOT be passed partially filled orders

AddBidOrder adds a NEW bid order to the book. It will take care of adding stopLoss. It should NOT be passed partially fulfilled orders