neo-go/pkg/core/transaction/cosigner.go
2020-05-04 11:53:31 +03:00

42 lines
1.2 KiB
Go

package transaction
import (
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
)
// The maximum number of AllowedContracts or AllowedGroups
const maxSubitems = 16
// Cosigner implements a Transaction cosigner.
type Cosigner struct {
Account util.Uint160 `json:"account"`
Scopes WitnessScope `json:"scopes"`
AllowedContracts []util.Uint160 `json:"allowedContracts,omitempty"`
AllowedGroups []*keys.PublicKey `json:"allowedGroups,omitempty"`
}
// EncodeBinary implements Serializable interface.
func (c *Cosigner) EncodeBinary(bw *io.BinWriter) {
bw.WriteBytes(c.Account[:])
bw.WriteB(byte(c.Scopes))
if c.Scopes&CustomContracts != 0 {
bw.WriteArray(c.AllowedContracts)
}
if c.Scopes&CustomGroups != 0 {
bw.WriteArray(c.AllowedGroups)
}
}
// DecodeBinary implements Serializable interface.
func (c *Cosigner) DecodeBinary(br *io.BinReader) {
br.ReadBytes(c.Account[:])
c.Scopes = WitnessScope(br.ReadB())
if c.Scopes&CustomContracts != 0 {
br.ReadArray(&c.AllowedContracts, maxSubitems)
}
if c.Scopes&CustomGroups != 0 {
br.ReadArray(&c.AllowedGroups, maxSubitems)
}
}