-
Notifications
You must be signed in to change notification settings - Fork 181
/
handler.go
180 lines (160 loc) · 6.31 KB
/
handler.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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
package staking
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/okex/exchain/x/staking/keeper"
"github.com/okex/exchain/x/staking/types"
abci "github.com/tendermint/tendermint/abci/types"
tmtypes "github.com/tendermint/tendermint/types"
)
// NewHandler manages all tx treatment
func NewHandler(k keeper.Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case types.MsgCreateValidator:
return handleMsgCreateValidator(ctx, msg, k)
case types.MsgEditValidator:
return handleMsgEditValidator(ctx, msg, k)
case types.MsgDeposit:
return handleMsgDeposit(ctx, msg, k)
case types.MsgWithdraw:
return handleMsgWithdraw(ctx, msg, k)
case types.MsgAddShares:
return handleMsgAddShares(ctx, msg, k)
case types.MsgBindProxy:
return handleMsgBindProxy(ctx, msg, k)
case types.MsgUnbindProxy:
return handleMsgUnbindProxy(ctx, msg, k)
case types.MsgRegProxy:
return handleRegProxy(ctx, msg, k)
case types.MsgDestroyValidator:
return handleMsgDestroyValidator(ctx, msg, k)
default:
errMsg := fmt.Sprintf("unrecognized staking message type: %T", msg)
return sdk.ErrUnknownRequest(errMsg).Result()
}
}
}
// EndBlocker is called every block, update validator set
func EndBlocker(ctx sdk.Context, k keeper.Keeper) []abci.ValidatorUpdate {
// calculate validator set changes
validatorUpdates := make([]abci.ValidatorUpdate, 0)
if k.IsEndOfEpoch(ctx) {
oldEpoch, newEpoch := k.GetEpoch(ctx), k.ParamsEpoch(ctx)
if oldEpoch != newEpoch {
k.SetEpoch(ctx, newEpoch)
}
k.SetTheEndOfLastEpoch(ctx)
//ctx.Logger().Debug("validatorUpdates epoch", "old", oldEpoch, "new", newEpoch)
//ctx.Logger().Debug(fmt.Sprintf("old epoch end blockHeight: %d", lastEpochEndHeight))
validatorUpdates = k.ApplyAndReturnValidatorSetUpdates(ctx)
// dont forget to delete in case that some validator need to kick out when an epoch ends
k.DeleteAbandonedValidatorAddrs(ctx)
} else if k.IsKickedOut(ctx) {
// if there are some validators to kick out in an epoch
validatorUpdates = k.KickOutAndReturnValidatorSetUpdates(ctx)
k.DeleteAbandonedValidatorAddrs(ctx)
}
// Unbond all mature validators from the unbonding queue.
k.UnbondAllMatureValidatorQueue(ctx)
k.IterateKeysBeforeCurrentTime(ctx, ctx.BlockHeader().Time,
func(index int64, key []byte) (stop bool) {
oldTime, delAddr := types.SplitCompleteTimeWithAddrKey(key)
k.DeleteAddrByTimeKey(ctx, oldTime, delAddr)
quantity, err := k.CompleteUndelegation(ctx, delAddr)
if err != nil {
ctx.Logger().Error(fmt.Sprintf("complete withdraw failed: %s", err))
} else {
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeCompleteUnbonding,
sdk.NewAttribute(types.AttributeKeyDelegator, delAddr.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, quantity.String()),
),
)
}
return false
})
return validatorUpdates
}
// StringInSlice returns true if a is found the list.
func StringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
return true
}
}
return false
}
// These functions assumes everything has been authenticated, now we just perform action and save
func handleMsgCreateValidator(ctx sdk.Context, msg types.MsgCreateValidator, k keeper.Keeper) (*sdk.Result, error) {
if _, found := k.GetValidator(ctx, msg.ValidatorAddress); found {
return nil, ErrValidatorOwnerExists()
}
if _, found := k.GetValidatorByConsAddr(ctx, sdk.GetConsAddress(msg.PubKey)); found {
return nil, ErrValidatorPubKeyExists()
}
if msg.MinSelfDelegation.Denom != k.BondDenom(ctx) {
return nil, ErrBadDenom()
}
if _, err := msg.Description.EnsureLength(); err != nil {
return nil, err
}
if ctx.ConsensusParams() != nil {
tmPubKey := tmtypes.TM2PB.PubKey(msg.PubKey)
if !StringInSlice(tmPubKey.Type, ctx.ConsensusParams().Validator.PubKeyTypes) {
return nil, ErrValidatorPubKeyTypeNotSupported(tmPubKey.Type,
ctx.ConsensusParams().Validator.PubKeyTypes)
}
}
minSelfDelegation := k.ParamsMinSelfDelegation(ctx)
validator := NewValidator(msg.ValidatorAddress, msg.PubKey, msg.Description, minSelfDelegation)
commission := NewCommission(sdk.NewDec(1), sdk.NewDec(1), sdk.NewDec(0))
validator, err := validator.SetInitialCommission(commission)
if err != nil {
return nil, err
}
k.SetValidator(ctx, validator)
k.SetValidatorByConsAddr(ctx, validator)
k.SetNewValidatorByPowerIndex(ctx, validator)
// add shares of equal value of msd for validator itself
defaultMinSelfDelegationToken := sdk.NewDecCoinFromDec(k.BondDenom(ctx), validator.MinSelfDelegation)
if err = k.AddSharesAsMinSelfDelegation(ctx, msg.DelegatorAddress, &validator, defaultMinSelfDelegationToken); err != nil {
return nil, err
}
k.AfterValidatorCreated(ctx, validator.OperatorAddress)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(types.EventTypeCreateValidator,
sdk.NewAttribute(types.AttributeKeyValidator, msg.ValidatorAddress.String()),
sdk.NewAttribute(sdk.AttributeKeyAmount, msg.MinSelfDelegation.Amount.String())),
sdk.NewEvent(sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.DelegatorAddress.String())),
})
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}
func handleMsgEditValidator(ctx sdk.Context, msg types.MsgEditValidator, k keeper.Keeper) (*sdk.Result, error) {
// validator must already be registered
validator, found := k.GetValidator(ctx, msg.ValidatorAddress)
if !found {
return nil, ErrNoValidatorFound(msg.ValidatorAddress.String())
}
// replace all editable fields (clients should autofill existing values)
description, err := validator.Description.UpdateDescription(msg.Description)
if err != nil {
return nil, err
}
validator.Description = description
k.SetValidator(ctx, validator)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(types.EventTypeEditValidator,
sdk.NewAttribute(types.AttributeKeyMinSelfDelegation, validator.MinSelfDelegation.String()),
),
sdk.NewEvent(sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
sdk.NewAttribute(sdk.AttributeKeySender, msg.ValidatorAddress.String()),
),
})
return &sdk.Result{Events: ctx.EventManager().Events()}, nil
}