forked from cosmos/cosmos-sdk
-
Notifications
You must be signed in to change notification settings - Fork 0
/
hooks.go
135 lines (114 loc) · 4.53 KB
/
hooks.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
)
// Create a new validator distribution record
func (k Keeper) onValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
// defensive check for existence
if k.HasValidatorDistInfo(ctx, valAddr) {
panic("validator dist info already exists (not cleaned up properly)")
}
height := ctx.BlockHeight()
vdi := types.ValidatorDistInfo{
OperatorAddr: valAddr,
FeePoolWithdrawalHeight: height,
DelAccum: types.NewTotalAccum(height),
DelPool: types.DecCoins{},
ValCommission: types.DecCoins{},
}
k.SetValidatorDistInfo(ctx, vdi)
}
// Withdraw all validator rewards
func (k Keeper) onValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
// Move the validator's rewards from the global pool to the validator's pools
// (dist info), but without actually withdrawing the rewards. This does not
// need to happen during the genesis block.
if ctx.BlockHeight() > 0 {
if err := k.takeValidatorFeePoolRewards(ctx, valAddr); err != nil {
panic(err)
}
}
}
// Withdraw all validator rewards
func (k Keeper) onValidatorBonded(ctx sdk.Context, valAddr sdk.ValAddress) {
lastPower := k.stakeKeeper.GetLastValidatorPower(ctx, valAddr)
if !lastPower.Equal(sdk.ZeroInt()) {
panic("expected last power to be 0 for validator entering bonded state")
}
k.onValidatorModified(ctx, valAddr)
}
// Sanity check, very useful!
func (k Keeper) onValidatorPowerDidChange(ctx sdk.Context, valAddr sdk.ValAddress) {
vi := k.GetValidatorDistInfo(ctx, valAddr)
if vi.FeePoolWithdrawalHeight != ctx.BlockHeight() {
panic(fmt.Sprintf("expected validator (%v) dist info FeePoolWithdrawalHeight to be updated to %v, but was %v.",
valAddr.String(), ctx.BlockHeight(), vi.FeePoolWithdrawalHeight))
}
}
// Withdrawal all validator distribution rewards and cleanup the distribution record
func (k Keeper) onValidatorRemoved(ctx sdk.Context, valAddr sdk.ValAddress) {
k.RemoveValidatorDistInfo(ctx, valAddr)
}
//_________________________________________________________________________________________
// Create a new delegator distribution record
func (k Keeper) onDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress,
valAddr sdk.ValAddress) {
ddi := types.DelegationDistInfo{
DelegatorAddr: delAddr,
ValOperatorAddr: valAddr,
DelPoolWithdrawalHeight: ctx.BlockHeight(),
}
k.SetDelegationDistInfo(ctx, ddi)
}
// Withdrawal all validator rewards
func (k Keeper) onDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress,
valAddr sdk.ValAddress) {
if err := k.WithdrawDelegationReward(ctx, delAddr, valAddr); err != nil {
panic(err)
}
}
// Withdrawal all validator distribution rewards and cleanup the distribution record
func (k Keeper) onDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress,
valAddr sdk.ValAddress) {
k.RemoveDelegationDistInfo(ctx, delAddr, valAddr)
}
//_________________________________________________________________________________________
// Wrapper struct
type Hooks struct {
k Keeper
}
var _ sdk.StakingHooks = Hooks{}
// New Validator Hooks
func (k Keeper) Hooks() Hooks { return Hooks{k} }
// nolint
func (h Hooks) OnValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
h.k.onValidatorCreated(ctx, valAddr)
}
func (h Hooks) OnValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
h.k.onValidatorModified(ctx, valAddr)
}
func (h Hooks) OnValidatorRemoved(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
h.k.onValidatorRemoved(ctx, valAddr)
}
func (h Hooks) OnDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
h.k.onValidatorModified(ctx, valAddr)
h.k.onDelegationCreated(ctx, delAddr, valAddr)
}
func (h Hooks) OnDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
h.k.onValidatorModified(ctx, valAddr)
h.k.onDelegationSharesModified(ctx, delAddr, valAddr)
}
func (h Hooks) OnDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
h.k.onDelegationRemoved(ctx, delAddr, valAddr)
}
func (h Hooks) OnValidatorBeginUnbonding(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
h.k.onValidatorModified(ctx, valAddr)
}
func (h Hooks) OnValidatorBonded(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
h.k.onValidatorBonded(ctx, valAddr)
}
func (h Hooks) OnValidatorPowerDidChange(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
h.k.onValidatorPowerDidChange(ctx, valAddr)
}