-
Notifications
You must be signed in to change notification settings - Fork 24
/
eth_api.go
91 lines (72 loc) · 2.31 KB
/
eth_api.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
package virtualfilter
import (
"github.com/Conflux-Chain/confura/node"
"github.com/Conflux-Chain/confura/util"
rpcutil "github.com/Conflux-Chain/confura/util/rpc"
w3rpc "github.com/openweb3/go-rpc-provider"
"github.com/openweb3/web3go/types"
"github.com/sirupsen/logrus"
)
var (
nilRpcId = w3rpc.ID("0x0")
)
// EVM space filter API
type ethFilterApi struct {
fs *ethFilterSystem // filter system
fnClients util.ConcurrentMap // full node clients: node name => sdk client
}
func newEthFilterApi(sys *ethFilterSystem) *ethFilterApi {
return ðFilterApi{fs: sys}
}
func (api *ethFilterApi) NewBlockFilter(nodeUrl string) (w3rpc.ID, error) {
client, err := api.loadOrGetFnClient(nodeUrl)
if err != nil {
return nilRpcId, err
}
return api.fs.newBlockFilter(client)
}
func (api *ethFilterApi) NewPendingTransactionFilter(nodeUrl string) (w3rpc.ID, error) {
client, err := api.loadOrGetFnClient(nodeUrl)
if err != nil {
return nilRpcId, err
}
return api.fs.newPendingTransactionFilter(client)
}
func (api *ethFilterApi) UninstallFilter(id w3rpc.ID) (bool, error) {
return api.fs.uninstallFilter(id)
}
func (api *ethFilterApi) NewFilter(nodeUrl string, crit types.FilterQuery) (w3rpc.ID, error) {
client, err := api.loadOrGetFnClient(nodeUrl)
if err != nil {
return nilRpcId, err
}
return api.fs.newFilter(client, crit)
}
func (api *ethFilterApi) GetLogFilter(fid w3rpc.ID) (*types.FilterQuery, error) {
vf, ok := api.fs.getFilter(fid)
if !ok || vf.ftype() != filterTypeLog {
return nil, errFilterNotFound
}
ethf := vf.(*ethLogFilter)
return ðf.crit, nil
}
func (api *ethFilterApi) GetFilterChanges(id w3rpc.ID) (*types.FilterChanges, error) {
return api.fs.getFilterChanges(id)
}
func (api *ethFilterApi) loadOrGetFnClient(nodeUrl string) (*node.Web3goClient, error) {
nodeName := rpcutil.Url2NodeName(nodeUrl)
client, _, err := api.fnClients.LoadOrStoreFnErr(nodeName, func(interface{}) (interface{}, error) {
client, err := rpcutil.NewEthClient(nodeUrl, rpcutil.WithClientHookMetrics(true))
if err != nil {
logrus.WithField("fnNodeUrl", nodeUrl).
WithError(err).
Error("Failed to new eth client for virtual filter")
return nil, err
}
return &node.Web3goClient{Client: client, URL: nodeUrl}, nil
})
if err != nil {
return nil, err
}
return client.(*node.Web3goClient), nil
}