forked from ava-labs/avalanchego
-
Notifications
You must be signed in to change notification settings - Fork 3
/
transfer_subnet_ownership_tx.go
65 lines (54 loc) · 1.91 KB
/
transfer_subnet_ownership_tx.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
// Copyright (C) 2019-2024, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package txs
import (
"errors"
"github.com/MetalBlockchain/metalgo/ids"
"github.com/MetalBlockchain/metalgo/snow"
"github.com/MetalBlockchain/metalgo/utils/constants"
"github.com/MetalBlockchain/metalgo/vms/components/verify"
"github.com/MetalBlockchain/metalgo/vms/platformvm/fx"
)
var (
_ UnsignedTx = (*TransferSubnetOwnershipTx)(nil)
ErrTransferPermissionlessSubnet = errors.New("cannot transfer ownership of a permissionless subnet")
)
type TransferSubnetOwnershipTx struct {
// Metadata, inputs and outputs
BaseTx `serialize:"true"`
// ID of the subnet this tx is modifying
Subnet ids.ID `serialize:"true" json:"subnetID"`
// Proves that the issuer has the right to remove the node from the subnet.
SubnetAuth verify.Verifiable `serialize:"true" json:"subnetAuthorization"`
// Who is now authorized to manage this subnet
Owner fx.Owner `serialize:"true" json:"newOwner"`
}
// InitCtx sets the FxID fields in the inputs and outputs of this
// [TransferSubnetOwnershipTx]. Also sets the [ctx] to the given [vm.ctx] so
// that the addresses can be json marshalled into human readable format
func (tx *TransferSubnetOwnershipTx) InitCtx(ctx *snow.Context) {
tx.BaseTx.InitCtx(ctx)
tx.Owner.InitCtx(ctx)
}
func (tx *TransferSubnetOwnershipTx) SyntacticVerify(ctx *snow.Context) error {
switch {
case tx == nil:
return ErrNilTx
case tx.SyntacticallyVerified:
// already passed syntactic verification
return nil
case tx.Subnet == constants.PrimaryNetworkID:
return ErrTransferPermissionlessSubnet
}
if err := tx.BaseTx.SyntacticVerify(ctx); err != nil {
return err
}
if err := verify.All(tx.SubnetAuth, tx.Owner); err != nil {
return err
}
tx.SyntacticallyVerified = true
return nil
}
func (tx *TransferSubnetOwnershipTx) Visit(visitor Visitor) error {
return visitor.TransferSubnetOwnershipTx(tx)
}