frostfs-sdk-go/client/accounting.go

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package client
import (
"context"
"fmt"
v2accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting"
rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
"github.com/nspcc-dev/neofs-sdk-go/accounting"
"github.com/nspcc-dev/neofs-sdk-go/owner"
)
// Accounting contains methods related to balance querying.
type Accounting interface {
// GetBalance returns balance of provided account.
GetBalance(context.Context, *owner.ID, ...CallOption) (*BalanceOfRes, error)
}
type BalanceOfRes struct {
statusRes
amount *accounting.Decimal
}
func (x *BalanceOfRes) setAmount(v *accounting.Decimal) {
x.amount = v
}
func (x BalanceOfRes) Amount() *accounting.Decimal {
return x.amount
}
func (c *clientImpl) GetBalance(ctx context.Context, owner *owner.ID, opts ...CallOption) (*BalanceOfRes, 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)
}
var (
res = new(BalanceOfRes)
procPrm processResponseV2Prm
procRes processResponseV2Res
)
procPrm.callOpts = callOptions
procPrm.resp = resp
procRes.statusRes = res
// process response in general
if c.processResponseV2(&procRes, procPrm) {
if procRes.cliErr != nil {
return nil, procRes.cliErr
}
return res, nil
}
res.setAmount(accounting.NewDecimalFromV2(resp.GetBody().GetBalance()))
return res, nil
}