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  ;; Simulate message data specifying an administrator keyset. 
  ;; In production use 'mockAdminKey' would be an ED25519 hex-encoded public key.
  (env-data { "admin-keyset": ["mockAdminKey"] })

  ;; Simulate that we've signed this transaction with the keyset.
  ;; In pact, signatures are pre-validated and represented in the
  ;; environment as a list of public keys.
  (env-keys ["mockAdminKey"])

  ;; Define the module.
  (module helloWorld 'admin-keyset
    "A smart contract to greet the world."
    (defun hello (name)
      "Do the hello-world dance"
      (format "Hello {}!" [name]))
  )

  ;; and say hello!
  (hello "world")