0g-chain/helper/da/client/client.go
2024-05-01 14:08:58 +08:00

62 lines
1.4 KiB
Go

package client
import (
"context"
"time"
"github.com/0glabs/0g-chain/helper/da/light"
"github.com/pkg/errors"
)
type DaLightRpcClient interface {
Sample(ctx context.Context, streamId, headerHash []byte, blobIdx, times uint32) (bool, error)
Destroy()
GetInstanceCount() int
}
type daLightClient struct {
maxInstance int
pool ConnectionPool
}
func NewDaLightClient(address string, instanceLimit int) DaLightRpcClient {
return &daLightClient{
maxInstance: instanceLimit,
pool: NewConnectionPool(address, instanceLimit, 10*time.Minute),
}
}
func (c *daLightClient) Sample(ctx context.Context, streamId, headerHash []byte, blobIdx, times uint32) (bool, error) {
connection, err := c.pool.GetConnection()
if err != nil {
return false, errors.Wrap(err, "failed to connect to da light server")
}
defer c.pool.ReleaseConnection(connection)
req := &light.SampleRequest{
StreamId: streamId,
BatchHeaderHash: headerHash,
BlobIndex: blobIdx,
Times: times,
}
client := light.NewLightClient(connection)
reply, err := client.Sample(ctx, req)
if err != nil {
return false, errors.Wrap(err, "failed to sample from da light server")
}
return reply.Success, nil
}
func (c *daLightClient) Destroy() {
if c.pool != nil {
c.pool.Close()
c.pool = nil
}
}
func (c *daLightClient) GetInstanceCount() int {
return c.maxInstance
}