110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
package client
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/pkg/accounting"
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"github.com/nspcc-dev/neofs-api-go/pkg/refs"
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v2accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting"
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"github.com/nspcc-dev/neofs-api-go/v2/client"
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v2refs "github.com/nspcc-dev/neofs-api-go/v2/refs"
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v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
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"github.com/pkg/errors"
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)
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func (c Client) GetSelfBalance(ctx context.Context, opts ...CallOption) (*accounting.Decimal, error) {
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owner, err := refs.NEO3WalletFromPublicKey(&c.key.PublicKey)
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if err != nil {
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return nil, err
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}
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return c.GetBalance(ctx, owner, opts...)
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}
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func (c Client) GetBalance(ctx context.Context, owner refs.NEO3Wallet, opts ...CallOption) (*accounting.Decimal, error) {
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// check remote node version
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switch c.remoteNode.Version.Major {
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case 2:
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return c.getBalanceV2(ctx, owner, opts...)
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default:
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return nil, unsupportedProtocolErr
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}
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}
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func (c Client) getBalanceV2(ctx context.Context, owner refs.NEO3Wallet, opts ...CallOption) (*accounting.Decimal, error) {
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// apply all available options
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callOptions := defaultCallOptions()
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for i := range opts {
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opts[i].apply(&callOptions)
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}
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// create V2 unified structures
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v2Owner := new(v2refs.OwnerID)
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v2Owner.SetValue(owner[:])
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reqBody := new(v2accounting.BalanceRequestBody)
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reqBody.SetOwnerID(v2Owner)
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req := new(v2accounting.BalanceRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(c.key, req)
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if err != nil {
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return nil, err
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}
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switch c.remoteNode.Protocol {
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case GRPC:
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cli, err := v2AccountingClientFromOptions(c.opts)
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if err != nil {
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return nil, errors.Wrap(err, "can't create grpc client")
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}
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resp, err := cli.Balance(ctx, req)
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if err != nil {
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return nil, errors.Wrap(err, "transport error")
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, errors.Wrap(err, "can't verify response message")
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}
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return &accounting.Decimal{
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Decimal: *resp.GetBody().GetBalance(),
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}, nil
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default:
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return nil, unsupportedProtocolErr
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}
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}
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func v2AccountingClientFromOptions(opts *clientOptions) (cli *v2accounting.Client, err error) {
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switch {
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case opts.grpcOpts.v2AccountingClient != nil:
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// return value from client cache
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return opts.grpcOpts.v2AccountingClient, nil
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case opts.grpcOpts.conn != nil:
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cli, err = v2accounting.NewClient(v2accounting.WithGlobalOpts(
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client.WithGRPCConn(opts.grpcOpts.conn)),
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)
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case opts.addr != "":
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cli, err = v2accounting.NewClient(v2accounting.WithGlobalOpts(
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client.WithNetworkAddress(opts.addr)),
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)
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default:
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return nil, errors.New("lack of sdk client options to create accounting client")
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}
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// check if client correct and save in cache
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if err != nil {
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return nil, err
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}
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opts.grpcOpts.v2AccountingClient = cli
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return cli, nil
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}
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