Helpers

BalanceHelper

It provides a utility function to batch requests to check the balances and allowances of a user for a given list of ERC20 tokens.

Contract functions description

balancesOf

PayoutHelper

It provides a utility function to query the execution payout of a given derivative recipe with different results.

Contract functions description

getExecutionPayouts

HasCommission

It provides a set of functions that can be implemented by a derivative recipe contract in order to query and set the data related to the commission that the derivative recipe’s author should receive.

Contract functions description

getAuthorAddress() public view returns(address)

It returns the address of the derivative author - which is set when the HasCommission contract is deployed as its msg.sender

getAuthorCommission() public view returns(uin256)

It returns the commission received by the derivative author when the derivative is executed. The commission is set as a constant at 0.25% of the payout’s profit.

ExecutableByThirdParty

It provides a set of functions that can be implemented by a derivative recipe contract in order to allow a third-party to request its execution after maturity and to query whether the third party execution has already been allowed.

Contract functions description

thirdpartyExecutionAllowed

It checks whether any third-party is allowed to execute a synthetic's position on behalf of msg.sender.

allowThirdpartyExecution

It allows msg.sender to enable any third-party to perform the execution of their positions on their behalf.