assert.gno

 1package staker
 2
 3import (
 4	"errors"
 5	"time"
 6
 7	ufmt "gno.land/p/nt/ufmt/v0"
 8
 9	"gno.land/r/gnoswap/gov/governance"
10)
11
12// assertIsValidDelegateAmount validates that the delegation amount meets system requirements.
13// This function checks minimum amount and multiple requirements.
14//
15// Parameters:
16//   - amount: amount to validate
17//
18// Returns:
19//   - error: nil if valid, error describing validation failure
20func assertIsValidDelegateAmount(amount int64) {
21	if amount < minimumAmount {
22		panic(makeErrorWithDetails(
23			errLessThanMinimum,
24			ufmt.Sprintf("minimum amount to delegate is %d (requested:%d)", minimumAmount, amount),
25		))
26	}
27
28	if amount%minimumAmount != 0 {
29		panic(makeErrorWithDetails(
30			errInvalidAmount,
31			ufmt.Sprintf("amount must be multiple of %d", minimumAmount),
32		))
33	}
34}
35
36func assertIsValidSnapshotTime(snapshotTime int64) {
37	if snapshotTime < 0 {
38		panic(makeErrorWithDetails(
39			errInvalidSnapshotTime,
40			ufmt.Sprintf("snapshot time must be greater than 0 (requested:%d)", snapshotTime),
41		))
42	}
43
44	currentTime := time.Now().Unix()
45	maxSmoothingPeriod := governance.GetMaxSmoothingPeriod()
46
47	if snapshotTime > currentTime-maxSmoothingPeriod {
48		panic(makeErrorWithDetails(
49			errInvalidSnapshotTime,
50			ufmt.Sprintf("snapshot time must be less than %d (requested:%d)", currentTime-maxSmoothingPeriod, snapshotTime),
51		))
52	}
53}
54
55// assertIsAvailableCleanupSnapshotTime checks that no active proposals need
56func assertIsAvailableCleanupSnapshotTime(cleanupSnapshotTime int64) {
57	oldestActiveSnapshotTime, hasActiveProposal, err := governance.GetOldestActiveProposalSnapshotTime()
58	if err != nil {
59		panic(err)
60	}
61	if !hasActiveProposal {
62		// No active proposals, cleanup is safe
63		return
64	}
65
66	if cleanupSnapshotTime > oldestActiveSnapshotTime {
67		panic(makeErrorWithDetails(
68			errInvalidSnapshotTime,
69			ufmt.Sprintf(
70				"cannot cleanup delegation history: active proposal requires data from snapshot time %d, but cleanup would remove data before %d",
71				oldestActiveSnapshotTime,
72				cleanupSnapshotTime,
73			),
74		))
75	}
76}
77
78func assertNoSameDelegatee(delegatee, newDelegatee address) {
79	if delegatee == newDelegatee {
80		panic(errors.New(errSameDelegatee))
81	}
82}
83
84func assertNotImplementYet() {
85	panic("NotImplementYet")
86}