BalanceReqHandler creates an http request handler to get an individual token balance of a given address.

BalanceReqHandler creates an http request handler to get the token balances of a given address.

GetTokenReqHandler creates an http request handler to get info for an individual token.

GetTokensReqHandler creates an http request handler to get the list of tokens in the token mapper.

QuerySwapIDsByCreatorReqHandler creates an http request handler to query swapID list by creator address.

QuerySwapIDsByRecipientReqHandler creates an http request handler to query swapID list by recipient address.

QuerySwapReqHandler creates an http request handler to query an AtomicSwap record by swapID.