Assign an previously unassigned index.
Payment: Deposit is reserved from the sender account.
Deposit
The dispatch origin for this call must be Signed.
index
Emits IndexAssigned if successful.
IndexAssigned
O(1)
Assign an previously unassigned index.
Payment:
Depositis reserved from the sender account.The dispatch origin for this call must be Signed.
index: the index to be claimed. This must not be in use.Emits
IndexAssignedif successful.Complexity
O(1).