mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-10-16 23:46:26 +00:00
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
package transaction
|
|
|
|
import (
|
|
"errors"
|
|
|
|
"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 & ^(Global|CalledByEntry|CustomContracts|CustomGroups) != 0 {
|
|
br.Err = errors.New("unknown witness scope")
|
|
return
|
|
}
|
|
if c.Scopes&Global != 0 && c.Scopes != Global {
|
|
br.Err = errors.New("global scope can not be combined with other scopes")
|
|
return
|
|
}
|
|
if c.Scopes&CustomContracts != 0 {
|
|
br.ReadArray(&c.AllowedContracts, maxSubitems)
|
|
}
|
|
if c.Scopes&CustomGroups != 0 {
|
|
br.ReadArray(&c.AllowedGroups, maxSubitems)
|
|
}
|
|
}
|