(use srfi-1)

(define-constant genesis-subsidy 300000)
(define-constant minimum-subsidy  30000)
(define-constant genesis-height       0)
(define-constant maximum-height  500000)

(define (get-subsidy height)
  (let ((num (- genesis-subsidy height)))
    (if (>= num minimum-subsidy) num minimum-subsidy)))

(define-constant subsidy
  (map get-subsidy (iota (- maximum-height genesis-height) genesis-height)))

(define (sum-subsidy maximum)
  (if (= maximum 0)
    (list-ref subsidy 0)
    (+ (list-ref subsidy maximum)
       (sum-subsidy (- maximum 1)))))

(define-constant total-subsidy
  (map sum-subsidy (iota (- maximum-height genesis-height) genesis-height)))

; (printf "~A\n" (get-subsidy 500000))