frostfs-api-go/pkg/client/accounting.go
Leonard Lyubich da89c2b71f [#337] client: Add option to specify callback of response information
There is a need to analyze some response information in API client.

Define `ResponseMetaInfo` structure of response information. Add
`WithResponseInfoHandler` client option which allows to set the response
info callback. The callback is called right after any response is received.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-09-28 18:15:29 +03:00

57 lines
1.6 KiB
Go

package client
import (
"context"
"fmt"
"github.com/nspcc-dev/neofs-api-go/pkg/accounting"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/nspcc-dev/neofs-api-go/rpc/client"
v2accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting"
rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
)
// Accounting contains methods related to balance querying.
type Accounting interface {
// GetBalance returns balance of provided account.
GetBalance(context.Context, *owner.ID, ...CallOption) (*accounting.Decimal, error)
}
func (c *clientImpl) GetBalance(ctx context.Context, owner *owner.ID, opts ...CallOption) (*accounting.Decimal, error) {
// apply all available options
callOptions := c.defaultCallOptions()
for i := range opts {
opts[i](callOptions)
}
reqBody := new(v2accounting.BalanceRequestBody)
reqBody.SetOwnerID(owner.ToV2())
req := new(v2accounting.BalanceRequest)
req.SetBody(reqBody)
req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
err := v2signature.SignServiceMessage(callOptions.key, req)
if err != nil {
return nil, err
}
resp, err := rpcapi.Balance(c.Raw(), req, client.WithContext(ctx))
if err != nil {
return nil, fmt.Errorf("transport error: %w", err)
}
// handle response meta info
if err := c.handleResponseInfoV2(callOptions, resp); err != nil {
return nil, err
}
err = v2signature.VerifyServiceMessage(resp)
if err != nil {
return nil, fmt.Errorf("can't verify response message: %w", err)
}
return accounting.NewDecimalFromV2(resp.GetBody().GetBalance()), nil
}