/
relayer.go
87 lines (72 loc) · 2.27 KB
/
relayer.go
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package relayer_client
import (
"context"
"crypto/tls"
"github.com/17535250630/jito_cli/pkg"
"github.com/17535250630/jito_cli/proto"
"github.com/17535250630/solana-go"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
)
type Client struct {
GrpcConn *grpc.ClientConn
GrpcErrChan chan error
Auth *pkg.AuthenticationService
Relayer proto.RelayerClient
}
func NewRelayerClient(grpcDialURL string, privateKey solana.PrivateKey, tlsConfig *tls.Config, opts ...grpc.DialOption) (*Client, error) {
if tlsConfig != nil {
opts = append(opts, grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig)))
} else {
opts = append(opts, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})))
}
grpcErrChan := make(chan error)
conn, err := pkg.CreateAndObserveGRPCConn(context.TODO(), grpcErrChan, grpcDialURL, opts...)
if err != nil {
return nil, err
}
relayerClient := proto.NewRelayerClient(conn)
authService := pkg.NewAuthenticationService(conn, privateKey)
if err = authService.AuthenticateAndRefresh(proto.Role_RELAYER); err != nil {
return nil, err
}
return &Client{
GrpcConn: conn,
Relayer: relayerClient,
Auth: authService,
GrpcErrChan: grpcErrChan,
}, nil
}
func (c *Client) GetTpuConfigs(opts ...grpc.CallOption) (*proto.GetTpuConfigsResponse, error) {
return c.Relayer.GetTpuConfigs(c.Auth.GrpcCtx, &proto.GetTpuConfigsRequest{}, opts...)
}
func (c *Client) SubscribePackets(opts ...grpc.CallOption) (proto.Relayer_SubscribePacketsClient, error) {
return c.Relayer.SubscribePackets(c.Auth.GrpcCtx, &proto.SubscribePacketsRequest{}, opts...)
}
func (c *Client) HandlePacketsSubscription(chTx chan []*solana.Transaction, chErr chan error) (proto.Relayer_SubscribePacketsClient, error) {
sub, err := c.SubscribePackets()
if err != nil {
return nil, err
}
go func() {
for {
select {
case <-c.Auth.GrpcCtx.Done():
return
default:
var packet *proto.SubscribePacketsResponse
packet, err = sub.Recv()
if err != nil {
chErr <- err
}
var txns = make([]*solana.Transaction, 0, len(packet.Batch.GetPackets()))
txns, err = pkg.ConvertBatchProtobufPacketToTransaction(packet.Batch.GetPackets())
if err != nil {
chErr <- err
}
chTx <- txns
}
}
}()
return sub, nil
}