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ethclient.go
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ethclient.go
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package node
import (
"context"
"fmt"
"math/rand"
"github.com/Conflux-Chain/confura/util/rpc"
"github.com/openweb3/web3go"
)
type Web3goClient struct {
*web3go.Client
URL string
}
// EthClientProvider provides evm space client by router.
type EthClientProvider struct {
*clientProvider
}
func NewEthClientProvider(router Router) *EthClientProvider {
cp := &EthClientProvider{
clientProvider: newClientProvider(router, func(url string) (interface{}, error) {
client, err := rpc.NewEthClient(url, rpc.WithClientHookMetrics(true))
if err != nil {
return nil, err
}
return &Web3goClient{client, url}, nil
}),
}
for grp := range ethUrlCfg {
cp.registerGroup(grp)
}
return cp
}
// GetClientByIP gets client of normal HTTP group by remote IP address.
func (p *EthClientProvider) GetClientByIP(ctx context.Context) (*Web3goClient, error) {
return p.GetClientByIPGroup(ctx, GroupEthHttp)
}
// GetClientByIPGroup gets client of specific group by remote IP address.
func (p *EthClientProvider) GetClientByIPGroup(ctx context.Context, group Group) (*Web3goClient, error) {
remoteAddr := remoteAddrFromContext(ctx)
client, err := p.getClient(remoteAddr, group)
return client.(*Web3goClient), err
}
func (p *EthClientProvider) GetClientRandom() (*Web3goClient, error) {
key := fmt.Sprintf("random_key_%v", rand.Int())
client, err := p.getClient(key, GroupEthHttp)
return client.(*Web3goClient), err
}