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client.go
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client.go
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package client
import (
"context"
"time"
cfxtypes "github.com/Conflux-Chain/go-conflux-sdk/types"
"github.com/Conflux-Chain/go-conflux-util/viper"
"github.com/openweb3/go-rpc-provider"
"github.com/openweb3/go-rpc-provider/interfaces"
providers "github.com/openweb3/go-rpc-provider/provider_wrapper"
ethtypes "github.com/openweb3/web3go/types"
"github.com/sirupsen/logrus"
)
const (
defaultClientRetryCount = 0
defaultClientRetryInterval = 1 * time.Second
defaultClientRequestTimeout = 3 * time.Second
)
type clientConfig struct {
Enabled bool
ServiceRpcUrl string
}
type EthClient struct {
// underlying rpc client provider to request virtual filter service
p interfaces.Provider
}
func MustNewEthClientFromViper() (*EthClient, bool) {
var conf clientConfig
viper.MustUnmarshalKey("ethVirtualFilters.client", &conf)
if !conf.Enabled {
return nil, false
}
option := providers.Option{
RetryCount: defaultClientRetryCount,
RetryInterval: defaultClientRetryInterval,
RequestTimeout: defaultClientRequestTimeout,
}
p, err := providers.NewProviderWithOption(conf.ServiceRpcUrl, option)
if err != nil {
logrus.WithError(err).
WithField("serviceRpcUrl", conf.ServiceRpcUrl).
Fatal("Failed to create RPC provider for virtual filter client")
}
return &EthClient{p: p}, true
}
func (client *EthClient) NewFilter(delFnUrl string, fq *ethtypes.FilterQuery) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_newFilter", delFnUrl, fq)
return
}
func (client *EthClient) NewBlockFilter(delFnUrl string) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_newBlockFilter", delFnUrl)
return
}
func (client *EthClient) NewPendingTransactionFilter(delFnUrl string) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_newPendingTransactionFilter", delFnUrl)
return
}
func (client *EthClient) GetFilterChanges(filterID rpc.ID) (val *ethtypes.FilterChanges, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_getFilterChanges", filterID)
return
}
func (client *EthClient) GetLogFilter(filterID rpc.ID) (val *ethtypes.FilterQuery, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_getLogFilter", filterID)
return
}
func (client *EthClient) UninstallFilter(filterID rpc.ID) (val bool, err error) {
err = client.p.CallContext(context.Background(), &val, "eth_uninstallFilter", filterID)
return
}
type CfxClient struct {
// underlying rpc client provider to request virtual filter service
p interfaces.Provider
}
func MustNewCfxClientFromViper() (*CfxClient, bool) {
var conf clientConfig
viper.MustUnmarshalKey("virtualFilters.client", &conf)
if !conf.Enabled {
return nil, false
}
option := providers.Option{
RetryCount: defaultClientRetryCount,
RetryInterval: defaultClientRetryInterval,
RequestTimeout: defaultClientRequestTimeout,
}
p, err := providers.NewProviderWithOption(conf.ServiceRpcUrl, option)
if err != nil {
logrus.WithError(err).
WithField("serviceRpcUrl", conf.ServiceRpcUrl).
Fatal("Failed to create RPC provider for virtual filter client")
}
return &CfxClient{p: p}, true
}
func (client *CfxClient) NewFilter(delFnUrl string, filterCrit *cfxtypes.LogFilter) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_newFilter", delFnUrl, filterCrit)
return
}
func (client *CfxClient) NewBlockFilter(delFnUrl string) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_newBlockFilter", delFnUrl)
return
}
func (client *CfxClient) NewPendingTransactionFilter(delFnUrl string) (val *rpc.ID, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_newPendingTransactionFilter", delFnUrl)
return
}
func (client *CfxClient) GetFilterChanges(filterID rpc.ID) (val *cfxtypes.CfxFilterChanges, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_getFilterChanges", filterID)
return
}
func (client *CfxClient) GetLogFilter(filterID rpc.ID) (val *cfxtypes.LogFilter, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_getLogFilter", filterID)
return
}
func (client *CfxClient) UninstallFilter(filterID rpc.ID) (val bool, err error) {
err = client.p.CallContext(context.Background(), &val, "cfx_uninstallFilter", filterID)
return
}