frostfs-api-go/pkg/client/accounting.go

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package client
import (
"context"
"github.com/nspcc-dev/neofs-api-go/pkg/accounting"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
v2accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting"
"github.com/nspcc-dev/neofs-api-go/v2/client"
v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
"github.com/pkg/errors"
)
func (c Client) GetSelfBalance(ctx context.Context, opts ...CallOption) (*accounting.Decimal, error) {
return c.GetBalance(ctx, nil, opts...)
}
func (c Client) GetBalance(ctx context.Context, owner *owner.ID, opts ...CallOption) (*accounting.Decimal, error) {
// check remote node version
switch c.remoteNode.Version.Major() {
case 2:
return c.getBalanceV2(ctx, owner, opts...)
default:
return nil, errUnsupportedProtocol
}
}
func (c Client) getBalanceV2(ctx context.Context, ownerID *owner.ID, opts ...CallOption) (*accounting.Decimal, error) {
// apply all available options
callOptions := c.defaultCallOptions()
for i := range opts {
opts[i].apply(&callOptions)
}
if ownerID == nil {
w, err := owner.NEO3WalletFromPublicKey(&c.key.PublicKey)
if err != nil {
return nil, err
}
ownerID = new(owner.ID)
ownerID.SetNeo3Wallet(w)
}
reqBody := new(v2accounting.BalanceRequestBody)
reqBody.SetOwnerID(ownerID.ToV2())
req := new(v2accounting.BalanceRequest)
req.SetBody(reqBody)
req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
err := v2signature.SignServiceMessage(c.key, req)
if err != nil {
return nil, err
}
switch c.remoteNode.Protocol {
case GRPC:
cli, err := v2AccountingClientFromOptions(c.opts)
if err != nil {
return nil, errors.Wrap(err, "can't create grpc client")
}
resp, err := cli.Balance(ctx, req)
if err != nil {
return nil, errors.Wrap(err, "transport error")
}
err = v2signature.VerifyServiceMessage(resp)
if err != nil {
return nil, errors.Wrap(err, "can't verify response message")
}
return accounting.NewDecimalFromV2(resp.GetBody().GetBalance()), nil
default:
return nil, errUnsupportedProtocol
}
}
func v2AccountingClientFromOptions(opts *clientOptions) (cli *v2accounting.Client, err error) {
switch {
case opts.grpcOpts.v2AccountingClient != nil:
// return value from client cache
return opts.grpcOpts.v2AccountingClient, nil
case opts.grpcOpts.conn != nil:
cli, err = v2accounting.NewClient(v2accounting.WithGlobalOpts(
client.WithGRPCConn(opts.grpcOpts.conn)),
)
case opts.addr != "":
cli, err = v2accounting.NewClient(v2accounting.WithGlobalOpts(
client.WithNetworkAddress(opts.addr),
client.WithDialTimeout(opts.dialTimeout),
))
default:
return nil, errOptionsLack("Accounting")
}
// check if client correct and save in cache
if err != nil {
return nil, err
}
opts.grpcOpts.v2AccountingClient = cli
return cli, nil
}