Sets new admin to contract storage
Usage
const newAdmin = "tz1...";
const yupana = await tezos.contract.at(yTokenAddress);
const operation = await yupana.methods.setAdmin(newAdmin).send();
await operation.confirmation();
yupana = ContractInterface.from_michelson(code) # or client.contract(contract_address)...
call = yupana.setAdmin("tz1...")
opg = call.inject()
Errors
yToken/not-admin - sender is not contract admin.