holders.gno

 1package kourt
 2const topHoldersMax = 50
 3func HolderCount(courtSlug string) int {
 4	c := mustCourt(courtSlug)
 5	esc := c.escrow
 6	n := 0
 7	c.coin.WalkAccounts(func(who address, bal int64) bool {
 8		if bal > 0 && who != esc {
 9			n++
10		}
11		return false
12	})
13	return n
14}
15func TopHolders(courtSlug string, limit int) string {
16	if limit <= 0 || limit > topHoldersMax {
17		limit = topHoldersMax
18	}
19	c := mustCourt(courtSlug)
20	esc := c.escrow
21	who := make([]address, 0, limit)
22	bal := make([]int64, 0, limit)
23	c.coin.WalkAccounts(func(a address, b int64) bool {
24		if b <= 0 || a == esc {
25			return false
26		}
27		pos := len(who)
28		for pos > 0 && b > bal[pos-1] {
29			pos--
30		}
31		if pos >= limit {
32			return false
33		}
34		if len(who) < limit {
35			who = append(who, address(""))
36			bal = append(bal, 0)
37		}
38		for i := len(who) - 1; i > pos; i-- {
39			who[i], bal[i] = who[i-1], bal[i-1]
40		}
41		who[pos], bal[pos] = a, b
42		return false
43	})
44	out := ""
45	for i := range who {
46		if bal[i] <= 0 {
47			continue
48		}
49		out += ";" + string(who[i]) + ":" + itoa(bal[i])
50	}
51	if out == "" {
52		return ""
53	}
54	return out[1:]
55}
56func TopHoldersNote() string {
57	return "Ranked by coin held. Coin staked on a claim sits in the court's custody until the claim resolves, so it is not counted here."
58}