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
package contracts
import (
"math/big"
"github.com/ethereum-optimism/optimism/indexer/database"
"github.com/ethereum-optimism/optimism/op-bindings/bindings"
"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
"github.com/ethereum/go-ethereum/common"
)
type StandardBridgeInitiatedEvent struct {
Event *database.ContractEvent
BridgeTransfer database.BridgeTransfer
}
type StandardBridgeFinalizedEvent struct {
Event *database.ContractEvent
BridgeTransfer database.BridgeTransfer
}
// StandardBridgeInitiatedEvents extracts all initiated bridge events from the contracts that follow the StandardBridge ABI. The
// correlated CrossDomainMessenger nonce is also parsed from the associated messenger events.
func StandardBridgeInitiatedEvents(chainSelector string, contractAddress common.Address, db *database.DB, fromHeight, toHeight *big.Int) ([]StandardBridgeInitiatedEvent, error) {
ethBridgeInitiatedEvents, err := _standardBridgeInitiatedEvents[bindings.StandardBridgeETHBridgeInitiated](contractAddress, chainSelector, db, fromHeight, toHeight)
if err != nil {
return nil, err
}
erc20BridgeInitiatedEvents, err := _standardBridgeInitiatedEvents[bindings.StandardBridgeERC20BridgeInitiated](contractAddress, chainSelector, db, fromHeight, toHeight)
if err != nil {
return nil, err
}
return append(ethBridgeInitiatedEvents, erc20BridgeInitiatedEvents...), nil
}
// StandardBridgeFinalizedEvents extracts all finalization bridge events from the contracts that follow the StandardBridge ABI. The
// correlated CrossDomainMessenger nonce is also parsed by looking at the parameters of the corresponding relayMessage transaction data.
func StandardBridgeFinalizedEvents(chainSelector string, contractAddress common.Address, db *database.DB, fromHeight, toHeight *big.Int) ([]StandardBridgeFinalizedEvent, error) {
ethBridgeFinalizedEvents, err := _standardBridgeFinalizedEvents[bindings.StandardBridgeETHBridgeFinalized](contractAddress, chainSelector, db, fromHeight, toHeight)
if err != nil {
return nil, err
}
erc20BridgeFinalizedEvents, err := _standardBridgeFinalizedEvents[bindings.StandardBridgeERC20BridgeFinalized](contractAddress, chainSelector, db, fromHeight, toHeight)
if err != nil {
return nil, err
}
return append(ethBridgeFinalizedEvents, erc20BridgeFinalizedEvents...), nil
}
// parse out eth or erc20 bridge initiated events
func _standardBridgeInitiatedEvents[BridgeEventType bindings.StandardBridgeETHBridgeInitiated | bindings.StandardBridgeERC20BridgeInitiated](
contractAddress common.Address, chainSelector string, db *database.DB, fromHeight, toHeight *big.Int,
) ([]StandardBridgeInitiatedEvent, error) {
standardBridgeAbi, err := bindings.StandardBridgeMetaData.GetAbi()
if err != nil {
return nil, err
}
var eventType BridgeEventType
var eventName string
switch any(eventType).(type) {
case bindings.StandardBridgeETHBridgeInitiated:
eventName = "ETHBridgeInitiated"
case bindings.StandardBridgeERC20BridgeInitiated:
eventName = "ERC20BridgeInitiated"
default:
panic("should not be here")
}
initiatedBridgeEventAbi := standardBridgeAbi.Events[eventName]
contractEventFilter := database.ContractEvent{ContractAddress: contractAddress, EventSignature: initiatedBridgeEventAbi.ID}
initiatedBridgeEvents, err := db.ContractEvents.ContractEventsWithFilter(contractEventFilter, chainSelector, fromHeight, toHeight)
if err != nil {
return nil, err
}
standardBridgeInitiatedEvents := make([]StandardBridgeInitiatedEvent, len(initiatedBridgeEvents))
for i := range initiatedBridgeEvents {
erc20Bridge := bindings.StandardBridgeERC20BridgeInitiated{Raw: *initiatedBridgeEvents[i].RLPLog}
err := UnpackLog(&erc20Bridge, initiatedBridgeEvents[i].RLPLog, eventName, standardBridgeAbi)
if err != nil {
return nil, err
}
// If an ETH bridge, lets fill in the needed fields
switch any(eventType).(type) {
case bindings.StandardBridgeETHBridgeInitiated:
erc20Bridge.LocalToken = predeploys.LegacyERC20ETHAddr
erc20Bridge.RemoteToken = predeploys.LegacyERC20ETHAddr
}
standardBridgeInitiatedEvents[i] = StandardBridgeInitiatedEvent{
Event: &initiatedBridgeEvents[i],
BridgeTransfer: database.BridgeTransfer{
TokenPair: database.TokenPair{LocalTokenAddress: erc20Bridge.LocalToken, RemoteTokenAddress: erc20Bridge.RemoteToken},
Tx: database.Transaction{
FromAddress: erc20Bridge.From,
ToAddress: erc20Bridge.To,
Amount: erc20Bridge.Amount,
Data: erc20Bridge.ExtraData,
Timestamp: initiatedBridgeEvents[i].Timestamp,
},
},
}
}
return standardBridgeInitiatedEvents, nil
}
// parse out eth or erc20 bridge finalization events
func _standardBridgeFinalizedEvents[BridgeEventType bindings.StandardBridgeETHBridgeFinalized | bindings.StandardBridgeERC20BridgeFinalized](
contractAddress common.Address, chainSelector string, db *database.DB, fromHeight, toHeight *big.Int,
) ([]StandardBridgeFinalizedEvent, error) {
standardBridgeAbi, err := bindings.StandardBridgeMetaData.GetAbi()
if err != nil {
return nil, err
}
var eventType BridgeEventType
var eventName string
switch any(eventType).(type) {
case bindings.StandardBridgeETHBridgeFinalized:
eventName = "ETHBridgeFinalized"
case bindings.StandardBridgeERC20BridgeFinalized:
eventName = "ERC20BridgeFinalized"
default:
panic("should not be here")
}
bridgeFinalizedEventAbi := standardBridgeAbi.Events[eventName]
contractEventFilter := database.ContractEvent{ContractAddress: contractAddress, EventSignature: bridgeFinalizedEventAbi.ID}
bridgeFinalizedEvents, err := db.ContractEvents.ContractEventsWithFilter(contractEventFilter, chainSelector, fromHeight, toHeight)
if err != nil {
return nil, err
}
standardBridgeFinalizedEvents := make([]StandardBridgeFinalizedEvent, len(bridgeFinalizedEvents))
for i := range bridgeFinalizedEvents {
erc20Bridge := bindings.StandardBridgeERC20BridgeFinalized{Raw: *bridgeFinalizedEvents[i].RLPLog}
err := UnpackLog(&erc20Bridge, bridgeFinalizedEvents[i].RLPLog, eventName, standardBridgeAbi)
if err != nil {
return nil, err
}
// If an ETH bridge, lets fill in the needed fields
switch any(eventType).(type) {
case bindings.StandardBridgeETHBridgeFinalized:
erc20Bridge.LocalToken = predeploys.LegacyERC20ETHAddr
erc20Bridge.RemoteToken = predeploys.LegacyERC20ETHAddr
}
standardBridgeFinalizedEvents[i] = StandardBridgeFinalizedEvent{
Event: &bridgeFinalizedEvents[i],
BridgeTransfer: database.BridgeTransfer{
TokenPair: database.TokenPair{LocalTokenAddress: erc20Bridge.LocalToken, RemoteTokenAddress: erc20Bridge.RemoteToken},
Tx: database.Transaction{
FromAddress: erc20Bridge.From,
ToAddress: erc20Bridge.To,
Amount: erc20Bridge.Amount,
Data: erc20Bridge.ExtraData,
Timestamp: bridgeFinalizedEvents[i].Timestamp,
},
},
}
}
return standardBridgeFinalizedEvents, nil
}