-
Notifications
You must be signed in to change notification settings - Fork 568
/
rate_limit.go
154 lines (129 loc) · 3.88 KB
/
rate_limit.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
package ibc_rate_limit
import (
"encoding/json"
errorsmod "cosmossdk.io/errors"
wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
sdk "github.com/cosmos/cosmos-sdk/types"
transfertypes "github.com/cosmos/ibc-go/v7/modules/apps/transfer/types"
clienttypes "github.com/cosmos/ibc-go/v7/modules/core/02-client/types"
"github.com/cosmos/ibc-go/v7/modules/core/exported"
"github.com/osmosis-labs/osmosis/v24/x/ibc-rate-limit/types"
)
var (
msgSend = "send_packet"
msgRecv = "recv_packet"
)
func CheckAndUpdateRateLimits(ctx sdk.Context, contractKeeper *wasmkeeper.PermissionedKeeper,
msgType, contract string, packet exported.PacketI,
) error {
contractAddr, err := sdk.AccAddressFromBech32(contract)
if err != nil {
return err
}
sendPacketMsg, err := BuildWasmExecMsg(
msgType,
packet,
)
if err != nil {
return err
}
_, err = contractKeeper.Sudo(ctx, contractAddr, sendPacketMsg)
if err != nil {
return errorsmod.Wrap(types.ErrRateLimitExceeded, err.Error())
}
return nil
}
type UndoSendMsg struct {
UndoSend UndoPacketMsg `json:"undo_send"`
}
type UndoPacketMsg struct {
Packet UnwrappedPacket `json:"packet"`
}
func UndoSendRateLimit(ctx sdk.Context, contractKeeper *wasmkeeper.PermissionedKeeper,
contract string,
packet exported.PacketI,
) error {
contractAddr, err := sdk.AccAddressFromBech32(contract)
if err != nil {
return err
}
unwrapped, err := unwrapPacket(packet)
if err != nil {
return err
}
msg := UndoSendMsg{UndoSend: UndoPacketMsg{Packet: unwrapped}}
asJson, err := json.Marshal(msg)
if err != nil {
return err
}
_, err = contractKeeper.Sudo(ctx, contractAddr, asJson)
if err != nil {
return errorsmod.Wrap(types.ErrContractError, err.Error())
}
return nil
}
type SendPacketMsg struct {
SendPacket PacketMsg `json:"send_packet"`
}
type RecvPacketMsg struct {
RecvPacket PacketMsg `json:"recv_packet"`
}
type PacketMsg struct {
Packet UnwrappedPacket `json:"packet"`
}
type UnwrappedPacket struct {
Sequence uint64 `json:"sequence"`
SourcePort string `json:"source_port"`
SourceChannel string `json:"source_channel"`
DestinationPort string `json:"destination_port"`
DestinationChannel string `json:"destination_channel"`
Data transfertypes.FungibleTokenPacketData `json:"data"`
TimeoutHeight clienttypes.Height `json:"timeout_height"`
TimeoutTimestamp uint64 `json:"timeout_timestamp,omitempty"`
}
func unwrapPacket(packet exported.PacketI) (UnwrappedPacket, error) {
var packetData transfertypes.FungibleTokenPacketData
err := json.Unmarshal(packet.GetData(), &packetData)
if err != nil {
return UnwrappedPacket{}, err
}
height, ok := packet.GetTimeoutHeight().(clienttypes.Height)
if !ok {
return UnwrappedPacket{}, types.ErrBadMessage
}
return UnwrappedPacket{
Sequence: packet.GetSequence(),
SourcePort: packet.GetSourcePort(),
SourceChannel: packet.GetSourceChannel(),
DestinationPort: packet.GetDestPort(),
DestinationChannel: packet.GetDestChannel(),
Data: packetData,
TimeoutHeight: height,
TimeoutTimestamp: packet.GetTimeoutTimestamp(),
}, nil
}
func BuildWasmExecMsg(msgType string, packet exported.PacketI) ([]byte, error) {
unwrapped, err := unwrapPacket(packet)
if err != nil {
return []byte{}, err
}
var asJson []byte
switch {
case msgType == msgSend:
msg := SendPacketMsg{SendPacket: PacketMsg{
Packet: unwrapped,
}}
asJson, err = json.Marshal(msg)
case msgType == msgRecv:
msg := RecvPacketMsg{RecvPacket: PacketMsg{
Packet: unwrapped,
}}
asJson, err = json.Marshal(msg)
default:
return []byte{}, types.ErrBadMessage
}
if err != nil {
return []byte{}, err
}
return asJson, nil
}