frostfs-api-go/v2/accounting/marshal.go
Alex Vanin d4336d8d5b Simplify marshal with nested structure helper
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-09-18 10:42:57 +03:00

108 lines
1.8 KiB
Go

package accounting
import (
"github.com/nspcc-dev/neofs-api-go/util/proto"
)
const (
decimalValueField = 1
decimalPrecisionField = 2
balanceReqBodyOwnerField = 1
balanceRespBodyDecimalField = 1
)
func (d *Decimal) StableMarshal(buf []byte) ([]byte, error) {
if d == nil {
return []byte{}, nil
}
if buf == nil {
buf = make([]byte, d.StableSize())
}
var (
offset, n int
err error
)
n, err = proto.Int64Marshal(decimalValueField, buf[offset:], d.val)
if err != nil {
return nil, err
}
offset += n
n, err = proto.UInt32Marshal(decimalPrecisionField, buf[offset:], d.prec)
if err != nil {
return nil, err
}
return buf, nil
}
func (d *Decimal) StableSize() (size int) {
if d == nil {
return 0
}
size += proto.Int64Size(decimalValueField, d.val)
size += proto.UInt32Size(decimalPrecisionField, d.prec)
return size
}
func (b *BalanceRequestBody) StableMarshal(buf []byte) ([]byte, error) {
if b == nil {
return []byte{}, nil
}
if buf == nil {
buf = make([]byte, b.StableSize())
}
_, err := proto.NestedStructureMarshal(balanceReqBodyOwnerField, buf, b.ownerID)
if err != nil {
return nil, err
}
return buf, nil
}
func (b *BalanceRequestBody) StableSize() (size int) {
if b == nil {
return 0
}
size = proto.NestedStructureSize(balanceReqBodyOwnerField, b.ownerID)
return size
}
func (br *BalanceResponseBody) StableMarshal(buf []byte) ([]byte, error) {
if br == nil {
return []byte{}, nil
}
if buf == nil {
buf = make([]byte, br.StableSize())
}
_, err := proto.NestedStructureMarshal(balanceRespBodyDecimalField, buf, br.bal)
if err != nil {
return nil, err
}
return buf, nil
}
func (br *BalanceResponseBody) StableSize() (size int) {
if br == nil {
return 0
}
size = proto.NestedStructureSize(balanceRespBodyDecimalField, br.bal)
return size
}