/
eth.go
123 lines (111 loc) · 4.07 KB
/
eth.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
package clients
import (
"context"
"math/big"
"time"
"github.com/ethereum-optimism/optimism/op-ufm/pkg/metrics"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/txpool"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient"
)
type InstrumentedEthClient struct {
c *ethclient.Client
providerName string
}
func Dial(providerName string, url string) (*InstrumentedEthClient, error) {
start := time.Now()
c, err := ethclient.Dial(url)
if err != nil {
metrics.RecordErrorDetails(providerName, "ethclient.Dial", err)
return nil, err
}
metrics.RecordRPCLatency(providerName, "ethclient", "Dial", time.Since(start))
return &InstrumentedEthClient{c: c, providerName: providerName}, nil
}
func (i *InstrumentedEthClient) TransactionByHash(ctx context.Context, hash common.Hash) (*types.Transaction, bool, error) {
start := time.Now()
tx, isPending, err := i.c.TransactionByHash(ctx, hash)
if err != nil {
if !i.ignorableErrors(err) {
metrics.RecordErrorDetails(i.providerName, "ethclient.TransactionByHash", err)
}
return nil, false, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "TransactionByHash", time.Since(start))
return tx, isPending, err
}
func (i *InstrumentedEthClient) PendingNonceAt(ctx context.Context, address string) (uint64, error) {
start := time.Now()
nonce, err := i.c.PendingNonceAt(ctx, common.HexToAddress(address))
if err != nil {
metrics.RecordErrorDetails(i.providerName, "ethclient.PendingNonceAt", err)
return 0, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "PendingNonceAt", time.Since(start))
return nonce, err
}
func (i *InstrumentedEthClient) TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error) {
start := time.Now()
receipt, err := i.c.TransactionReceipt(ctx, txHash)
if err != nil {
if !i.ignorableErrors(err) {
metrics.RecordErrorDetails(i.providerName, "ethclient.TransactionReceipt", err)
}
return nil, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "TransactionReceipt", time.Since(start))
return receipt, err
}
func (i *InstrumentedEthClient) SendTransaction(ctx context.Context, tx *types.Transaction) error {
start := time.Now()
err := i.c.SendTransaction(ctx, tx)
if err != nil {
if !i.ignorableErrors(err) {
metrics.RecordErrorDetails(i.providerName, "ethclient.SendTransaction", err)
}
return err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "SendTransaction", time.Since(start))
return err
}
func (i *InstrumentedEthClient) EstimateGas(ctx context.Context, msg ethereum.CallMsg) (uint64, error) {
start := time.Now()
gas, err := i.c.EstimateGas(ctx, msg)
if err != nil {
metrics.RecordErrorDetails(i.providerName, "ethclient.EstimateGas", err)
return 0, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "EstimateGas", time.Since(start))
return gas, err
}
func (i *InstrumentedEthClient) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
start := time.Now()
gasTipCap, err := i.c.SuggestGasTipCap(ctx)
if err != nil {
metrics.RecordErrorDetails(i.providerName, "ethclient.SuggestGasTipCap", err)
return nil, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "SuggestGasTipCap", time.Since(start))
return gasTipCap, err
}
func (i *InstrumentedEthClient) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
start := time.Now()
header, err := i.c.HeaderByNumber(ctx, number)
if err != nil {
metrics.RecordErrorDetails(i.providerName, "ethclient.HeaderByNumber", err)
return nil, err
}
metrics.RecordRPCLatency(i.providerName, "ethclient", "HeaderByNumber", time.Since(start))
return header, err
}
func (i *InstrumentedEthClient) ignorableErrors(err error) bool {
msg := err.Error()
// we dont use errors.Is because eth client actually uses errors.New,
// therefore creating an incomparable instance :(
return msg == ethereum.NotFound.Error() ||
msg == txpool.ErrAlreadyKnown.Error() ||
msg == core.ErrNonceTooLow.Error()
}