mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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231e468e19
git-subtree-dir: erigon-lib git-subtree-mainline:3c8cbda809git-subtree-split:93d9c9d9fe
83 lines
2.5 KiB
Go
83 lines
2.5 KiB
Go
/*
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Copyright 2021 Erigon contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package downloadergrpc
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import (
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"context"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/anacrolix/torrent/metainfo"
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"github.com/c2h5oh/datasize"
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"github.com/ledgerwatch/erigon-lib/gointerfaces"
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proto_downloader "github.com/ledgerwatch/erigon-lib/gointerfaces/downloader"
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prototypes "github.com/ledgerwatch/erigon-lib/gointerfaces/types"
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"google.golang.org/grpc"
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"google.golang.org/grpc/backoff"
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"google.golang.org/grpc/credentials/insecure"
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"google.golang.org/grpc/keepalive"
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)
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func NewClient(ctx context.Context, downloaderAddr string) (proto_downloader.DownloaderClient, error) {
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// creating grpc client connection
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var dialOpts []grpc.DialOption
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backoffCfg := backoff.DefaultConfig
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backoffCfg.BaseDelay = 500 * time.Millisecond
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backoffCfg.MaxDelay = 10 * time.Second
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dialOpts = []grpc.DialOption{
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grpc.WithConnectParams(grpc.ConnectParams{Backoff: backoffCfg, MinConnectTimeout: 10 * time.Minute}),
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grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(int(16 * datasize.MB))),
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grpc.WithKeepaliveParams(keepalive.ClientParameters{}),
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}
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dialOpts = append(dialOpts, grpc.WithTransportCredentials(insecure.NewCredentials()))
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conn, err := grpc.DialContext(ctx, downloaderAddr, dialOpts...)
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if err != nil {
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return nil, fmt.Errorf("creating client connection to sentry P2P: %w", err)
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}
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return proto_downloader.NewDownloaderClient(conn), nil
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}
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func InfoHashes2Proto(in []metainfo.Hash) []*prototypes.H160 {
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infoHashes := make([]*prototypes.H160, len(in))
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i := 0
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for _, h := range in {
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infoHashes[i] = gointerfaces.ConvertAddressToH160(h)
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i++
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}
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return infoHashes
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}
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func Strings2Proto(in []string) []*prototypes.H160 {
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infoHashes := make([]*prototypes.H160, len(in))
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i := 0
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for _, h := range in {
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infoHashes[i] = String2Proto(h)
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i++
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}
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return infoHashes
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}
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func String2Proto(in string) *prototypes.H160 {
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var infoHash [20]byte
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inHex, _ := hex.DecodeString(in)
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copy(infoHash[:], inHex)
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return gointerfaces.ConvertAddressToH160(infoHash)
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}
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