The difference between NewBoundContract and NewContract is that the return type is different.

Contract.

from chain/tools/smartcontract/depoly/utils.

ErrNoCode is returned by call and transact operations for which the requested recipient contract to operate on does not exist in the state db or does not have any code associated with it (i.e.

This error is returned by WaitDeployed if contract creation leaves an empty contract behind.

This error is raised when attempting to perform a pending state action on a backend that doesn't implement PendingContractCaller.