-
Notifications
You must be signed in to change notification settings - Fork 235
/
ica.go
214 lines (199 loc) · 6.39 KB
/
ica.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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
package precompiles
import (
"errors"
"fmt"
"math/big"
"time"
storetypes "cosmossdk.io/store/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
icatypes "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts/types"
channeltypes "github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
cronosevents "github.com/crypto-org-chain/cronos/v2/x/cronos/events"
"github.com/crypto-org-chain/cronos/v2/x/cronos/events/bindings/cosmos/precompile/ica"
"github.com/crypto-org-chain/cronos/v2/x/cronos/events/bindings/cosmos/precompile/icacallback"
cronoseventstypes "github.com/crypto-org-chain/cronos/v2/x/cronos/events/types"
"github.com/crypto-org-chain/cronos/v2/x/cronos/types"
icaauthtypes "github.com/crypto-org-chain/cronos/v2/x/icaauth/types"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
)
const (
RegisterAccountMethodName = "registerAccount"
QueryAccountMethodName = "queryAccount"
SubmitMsgsMethodName = "submitMsgs"
)
var (
icaABI abi.ABI
icaCallbackABI abi.ABI
icaContractAddress = common.BytesToAddress([]byte{102})
icaMethodNamesByID = map[[4]byte]string{}
icaGasRequiredByMethod = map[[4]byte]uint64{}
)
func init() {
if err := icaABI.UnmarshalJSON([]byte(ica.ICAModuleMetaData.ABI)); err != nil {
panic(err)
}
if err := icaCallbackABI.UnmarshalJSON([]byte(icacallback.ICACallbackMetaData.ABI)); err != nil {
panic(err)
}
for methodName := range icaABI.Methods {
var methodID [4]byte
copy(methodID[:], icaABI.Methods[methodName].ID[:4])
switch methodName {
case RegisterAccountMethodName:
icaGasRequiredByMethod[methodID] = 300000
case QueryAccountMethodName:
icaGasRequiredByMethod[methodID] = 100000
case SubmitMsgsMethodName:
icaGasRequiredByMethod[methodID] = 300000
default:
icaGasRequiredByMethod[methodID] = 0
}
icaMethodNamesByID[methodID] = methodName
}
}
func OnPacketResultCallback(args ...interface{}) ([]byte, error) {
return icaCallbackABI.Pack("onPacketResultCallback", args...)
}
type IcaContract struct {
BaseContract
ctx sdk.Context
cdc codec.Codec
icaauthKeeper types.Icaauthkeeper
cronosKeeper types.CronosKeeper
kvGasConfig storetypes.GasConfig
}
func NewIcaContract(ctx sdk.Context, icaauthKeeper types.Icaauthkeeper, cronosKeeper types.CronosKeeper, cdc codec.Codec, kvGasConfig storetypes.GasConfig) vm.PrecompiledContract {
return &IcaContract{
BaseContract: NewBaseContract(icaContractAddress),
ctx: ctx,
cdc: cdc,
icaauthKeeper: icaauthKeeper,
cronosKeeper: cronosKeeper,
kvGasConfig: kvGasConfig,
}
}
func (ic *IcaContract) Address() common.Address {
return icaContractAddress
}
// RequiredGas calculates the contract gas use
func (ic *IcaContract) RequiredGas(input []byte) uint64 {
// base cost to prevent large input size
baseCost := uint64(len(input)) * ic.kvGasConfig.WriteCostPerByte
var methodID [4]byte
copy(methodID[:], input[:4])
requiredGas, ok := icaGasRequiredByMethod[methodID]
if icaMethodNamesByID[methodID] == SubmitMsgsMethodName {
requiredGas += ic.cronosKeeper.GetParams(ic.ctx).MaxCallbackGas
}
if ok {
return requiredGas + baseCost
}
return baseCost
}
func (ic *IcaContract) Run(evm *vm.EVM, contract *vm.Contract, readonly bool) ([]byte, error) {
// parse input
methodID := contract.Input[:4]
method, err := icaABI.MethodById(methodID)
if err != nil {
return nil, err
}
stateDB := evm.StateDB.(ExtStateDB)
precompileAddr := ic.Address()
caller := contract.CallerAddress
owner := sdk.AccAddress(caller.Bytes()).String()
converter := cronosevents.IcaConvertEvent
var execErr error
switch method.Name {
case RegisterAccountMethodName:
if readonly {
return nil, errors.New("the method is not readonly")
}
args, err := method.Inputs.Unpack(contract.Input[4:])
if err != nil {
return nil, errors.New("fail to unpack input arguments")
}
connectionID := args[0].(string)
version := args[1].(string)
execErr = stateDB.ExecuteNativeAction(precompileAddr, converter, func(ctx sdk.Context) error {
_, err := ic.icaauthKeeper.RegisterAccount(ctx, &icaauthtypes.MsgRegisterAccount{
Owner: owner,
ConnectionId: connectionID,
Version: version,
})
return err
})
if execErr != nil {
return nil, execErr
}
return method.Outputs.Pack(true)
case QueryAccountMethodName:
args, err := method.Inputs.Unpack(contract.Input[4:])
if err != nil {
return nil, errors.New("fail to unpack input arguments")
}
connectionID := args[0].(string)
account := args[1].(common.Address)
owner := sdk.AccAddress(account.Bytes()).String()
icaAddress := ""
response, err := ic.icaauthKeeper.InterchainAccountAddress(
stateDB.Context(),
&icaauthtypes.QueryInterchainAccountAddressRequest{
Owner: owner,
ConnectionId: connectionID,
})
if err != nil {
return nil, err
}
if response != nil {
icaAddress = response.InterchainAccountAddress
}
return method.Outputs.Pack(icaAddress)
case SubmitMsgsMethodName:
if readonly {
return nil, errors.New("the method is not readonly")
}
args, err := method.Inputs.Unpack(contract.Input[4:])
if err != nil {
return nil, errors.New("fail to unpack input arguments")
}
connectionID := args[0].(string)
data := args[1].([]byte)
timeout := args[2].(*big.Int)
icaMsgData := icatypes.InterchainAccountPacketData{
Type: icatypes.EXECUTE_TX,
Data: data,
Memo: fmt.Sprintf(`{"src_callback": {"address": "%s"}}`, caller.String()),
}
timeoutDuration := time.Duration(timeout.Uint64())
seq := uint64(0)
execErr = stateDB.ExecuteNativeAction(precompileAddr, converter, func(ctx sdk.Context) error {
activeChannelID, response, err := ic.icaauthKeeper.SubmitTxWithArgs(
ctx,
owner,
connectionID,
timeoutDuration,
icaMsgData,
)
if err == nil && response != nil {
seq = response.Sequence
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
cronoseventstypes.EventTypeSubmitMsgsResult,
sdk.NewAttribute(channeltypes.AttributeKeySrcChannel, activeChannelID),
sdk.NewAttribute(cronoseventstypes.AttributeKeySeq, fmt.Sprintf("%d", response.Sequence)),
),
})
}
return err
})
if execErr != nil {
return nil, execErr
}
return method.Outputs.Pack(seq)
default:
return nil, errors.New("unknown method")
}
}