frostfs-api-go/pkg/client/accounting.go
Evgenii Stratonikov 9ddfcdfbba [#277] go.mod: remove pkg/errors
Use stdlib `errors` instead.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 11:14:56 +03:00

52 lines
1.5 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)
}
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
}