blob: 7fd5a31da75f281950001722b561794cae61ed0a (
plain) (
blame)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
package evm
import (
"errors"
"fmt"
"github.com/ava-labs/gecko/ids"
"github.com/ava-labs/gecko/vms/components/ava"
"github.com/ava-labs/go-ethereum/common"
)
// Max size of memo field
// Don't change without also changing avm.maxMemoSize
const maxMemoSize = 256
var (
errVMNil = errors.New("tx.vm is nil")
errWrongBlockchainID = errors.New("wrong blockchain ID provided")
errWrongNetworkID = errors.New("tx was issued with a different network ID")
errNilTx = errors.New("tx is nil")
errInvalidID = errors.New("invalid ID")
errOutputsNotSorted = errors.New("outputs not sorted")
)
type EVMOutput struct {
Address common.Address `serialize:"true" json:"address"`
Amount uint64 `serialize:"true" json:"amount"`
}
func (out *EVMOutput) Verify() error {
return nil
}
// BaseTx contains fields common to many transaction types. It should be
// embedded in transaction implementations. The serialized fields of this struct
// should be exactly the same as those of avm.BaseTx. Do not change this
// struct's serialized fields without doing the same on avm.BaseTx.
// TODO: Factor out this and avm.BaseTX
type BaseTx struct {
vm *VM
// true iff this transaction has already passed syntactic verification
syntacticallyVerified bool
// ID of this tx
id ids.ID
// Byte representation of this unsigned tx
unsignedBytes []byte
// Byte representation of the signed transaction (ie with credentials)
bytes []byte
// ID of the network on which this tx was issued
NetworkID uint32 `serialize:"true" json:"networkID"`
// ID of this blockchain. In practice is always the empty ID.
// This is only here to match avm.BaseTx's format
BlockchainID ids.ID `serialize:"true" json:"blockchainID"`
// Outputs
Outs []EVMOutput `serialize:"true" json:"outputs"`
// Inputs consumed by this tx
Ins []*ava.TransferableInput `serialize:"true" json:"inputs"`
// Memo field contains arbitrary bytes, up to maxMemoSize
Memo []byte `serialize:"true" json:"memo"`
}
// UnsignedBytes returns the byte representation of this unsigned tx
func (tx *BaseTx) UnsignedBytes() []byte { return tx.unsignedBytes }
// Bytes returns the byte representation of this tx
func (tx *BaseTx) Bytes() []byte { return tx.bytes }
// ID returns this transaction's ID
func (tx *BaseTx) ID() ids.ID { return tx.id }
// Verify returns nil iff this tx is well formed
func (tx *BaseTx) Verify() error {
switch {
case tx == nil:
return errNilTx
case tx.syntacticallyVerified: // already passed syntactic verification
return nil
case tx.id.IsZero():
return errInvalidID
case tx.vm == nil:
return errVMNil
case tx.NetworkID != tx.vm.ctx.NetworkID:
return errWrongNetworkID
case !tx.vm.ctx.ChainID.Equals(tx.BlockchainID):
return errWrongBlockchainID
case len(tx.Memo) > maxMemoSize:
return fmt.Errorf("memo length, %d, exceeds maximum memo length, %d",
len(tx.Memo), maxMemoSize)
}
for _, out := range tx.Outs {
if err := out.Verify(); err != nil {
return err
}
}
for _, in := range tx.Ins {
if err := in.Verify(); err != nil {
return err
}
}
switch {
//case !ava.IsSortedTransferableOutputs(tx.Outs, Codec):
// return errOutputsNotSorted
case !ava.IsSortedAndUniqueTransferableInputs(tx.Ins):
return errInputsNotSortedUnique
default:
return nil
}
}
|