-
Notifications
You must be signed in to change notification settings - Fork 58
/
ethereum_transaction.go
321 lines (271 loc) · 10 KB
/
ethereum_transaction.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
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
package hedera
/*-
*
* Hedera Go SDK
*
* Copyright (C) 2020 - 2024 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import (
"time"
"github.com/pkg/errors"
"github.com/hashgraph/hedera-protobufs-go/services"
)
// EthereumTransaction is used to create a EthereumTransaction transaction which can be used to construct and execute
// a Ethereum Transaction.
type EthereumTransaction struct {
Transaction
ethereumData []byte
callData *FileID
MaxGasAllowed int64
}
// NewEthereumTransaction creates a EthereumTransaction transaction which can be used to construct and execute
// a Ethereum Transaction.
func NewEthereumTransaction() *EthereumTransaction {
tx := EthereumTransaction{
Transaction: _NewTransaction(),
}
tx._SetDefaultMaxTransactionFee(NewHbar(2))
return &tx
}
func _EthereumTransactionFromProtobuf(tx Transaction, pb *services.TransactionBody) *EthereumTransaction {
return &EthereumTransaction{
Transaction: tx,
ethereumData: pb.GetEthereumTransaction().EthereumData,
callData: _FileIDFromProtobuf(pb.GetEthereumTransaction().CallData),
MaxGasAllowed: pb.GetEthereumTransaction().MaxGasAllowance,
}
}
// SetEthereumData
// The raw Ethereum transaction (RLP encoded type 0, 1, and 2). Complete
// unless the callData field is set.
func (tx *EthereumTransaction) SetEthereumData(data []byte) *EthereumTransaction {
tx._RequireNotFrozen()
tx.ethereumData = data
return tx
}
// GetEthereumData returns the raw Ethereum transaction (RLP encoded type 0, 1, and 2).
func (tx *EthereumTransaction) GetEthereumData() []byte {
return tx.ethereumData
}
// Deprecated
func (tx *EthereumTransaction) SetCallData(file FileID) *EthereumTransaction {
tx._RequireNotFrozen()
tx.callData = &file
return tx
}
// SetCallDataFileID sets the file ID containing the call data.
func (tx *EthereumTransaction) SetCallDataFileID(file FileID) *EthereumTransaction {
tx._RequireNotFrozen()
tx.callData = &file
return tx
}
// GetCallData
// For large transactions (for example contract create) this is the callData
// of the ethereumData. The data in the ethereumData will be re-written with
// the callData element as a zero length string with the original contents in
// the referenced file at time of execution. The ethereumData will need to be
// "rehydrated" with the callData for signature validation to pass.
func (tx *EthereumTransaction) GetCallData() FileID {
if tx.callData != nil {
return *tx.callData
}
return FileID{}
}
// SetMaxGasAllowed
// The maximum amount, in tinybars, that the payer of the hedera transaction
// is willing to pay to complete the transaction.
func (tx *EthereumTransaction) SetMaxGasAllowed(gas int64) *EthereumTransaction {
tx._RequireNotFrozen()
tx.MaxGasAllowed = gas
return tx
}
// SetMaxGasAllowanceHbar sets the maximum amount, that the payer of the hedera transaction
// is willing to pay to complete the transaction.
func (tx *EthereumTransaction) SetMaxGasAllowanceHbar(gas Hbar) *EthereumTransaction {
tx._RequireNotFrozen()
tx.MaxGasAllowed = gas.AsTinybar()
return tx
}
// GetMaxGasAllowed returns the maximum amount, that the payer of the hedera transaction
// is willing to pay to complete the transaction.
func (tx *EthereumTransaction) GetMaxGasAllowed() int64 {
return tx.MaxGasAllowed
}
// ---- Required Interfaces ---- //
// Sign uses the provided privateKey to sign the transaction.
func (tx *EthereumTransaction) Sign(
privateKey PrivateKey,
) *EthereumTransaction {
tx.Transaction.Sign(privateKey)
return tx
}
// SignWithOperator signs the transaction with client's operator privateKey.
func (tx *EthereumTransaction) SignWithOperator(
client *Client,
) (*EthereumTransaction, error) {
// If the transaction is not signed by the _Operator, we need
// to sign the transaction with the _Operator
_, err := tx.Transaction.signWithOperator(client, tx)
if err != nil {
return nil, err
}
return tx, nil
}
// SignWith executes the TransactionSigner and adds the resulting signature data to the Transaction's signature map
// with the publicKey as the map key.
func (tx *EthereumTransaction) SignWith(
publicKey PublicKey,
signer TransactionSigner,
) *EthereumTransaction {
tx.Transaction.SignWith(publicKey, signer)
return tx
}
// AddSignature adds a signature to the transaction.
func (tx *EthereumTransaction) AddSignature(publicKey PublicKey, signature []byte) *EthereumTransaction {
tx.Transaction.AddSignature(publicKey, signature)
return tx
}
// When execution is attempted, a single attempt will timeout when tx deadline is reached. (The SDK may subsequently retry the execution.)
func (tx *EthereumTransaction) SetGrpcDeadline(deadline *time.Duration) *EthereumTransaction {
tx.Transaction.SetGrpcDeadline(deadline)
return tx
}
func (tx *EthereumTransaction) Freeze() (*EthereumTransaction, error) {
return tx.FreezeWith(nil)
}
func (tx *EthereumTransaction) FreezeWith(client *Client) (*EthereumTransaction, error) {
_, err := tx.Transaction.freezeWith(client, tx)
return tx, err
}
// SetMaxTransactionFee sets the maximum transaction fee the operator (paying account) is willing to pay.
func (tx *EthereumTransaction) SetMaxTransactionFee(fee Hbar) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetMaxTransactionFee(fee)
return tx
}
// SetRegenerateTransactionID sets if transaction IDs should be regenerated when `TRANSACTION_EXPIRED` is received
func (tx *EthereumTransaction) SetRegenerateTransactionID(regenerateTransactionID bool) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetRegenerateTransactionID(regenerateTransactionID)
return tx
}
// GetRegenerateTransactionID returns true if transaction ID regeneration is enabled.
func (tx *EthereumTransaction) GetRegenerateTransactionID() bool {
return tx.Transaction.GetRegenerateTransactionID()
}
// GetTransactionMemo returns the memo for this EthereumTransaction.
func (tx *EthereumTransaction) GetTransactionMemo() string {
return tx.Transaction.GetTransactionMemo()
}
// SetTransactionMemo sets the memo for this EthereumTransaction.
func (tx *EthereumTransaction) SetTransactionMemo(memo string) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionMemo(memo)
return tx
}
// SetTransactionValidDuration sets the valid duration for this EthereumTransaction.
func (tx *EthereumTransaction) SetTransactionValidDuration(duration time.Duration) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionValidDuration(duration)
return tx
}
// ToBytes serialise the tx to bytes, no matter if it is signed (locked), or not
func (tx *EthereumTransaction) ToBytes() ([]byte, error) {
bytes, err := tx.Transaction.toBytes(tx)
if err != nil {
return nil, err
}
return bytes, nil
}
// SetTransactionID sets the TransactionID for this EthereumTransaction.
func (tx *EthereumTransaction) SetTransactionID(transactionID TransactionID) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetTransactionID(transactionID)
return tx
}
// SetNodeAccountIDs sets the _Node AccountID for this EthereumTransaction.
func (tx *EthereumTransaction) SetNodeAccountIDs(nodeID []AccountID) *EthereumTransaction {
tx._RequireNotFrozen()
tx.Transaction.SetNodeAccountIDs(nodeID)
return tx
}
// SetMaxRetry sets the max number of errors before execution will fail.
func (tx *EthereumTransaction) SetMaxRetry(count int) *EthereumTransaction {
tx.Transaction.SetMaxRetry(count)
return tx
}
// SetMaxBackoff The maximum amount of time to wait between retries.
// Every retry attempt will increase the wait time exponentially until it reaches this time.
func (tx *EthereumTransaction) SetMaxBackoff(max time.Duration) *EthereumTransaction {
tx.Transaction.SetMaxBackoff(max)
return tx
}
// SetMinBackoff sets the minimum amount of time to wait between retries.
func (tx *EthereumTransaction) SetMinBackoff(min time.Duration) *EthereumTransaction {
tx.Transaction.SetMinBackoff(min)
return tx
}
func (tx *EthereumTransaction) SetLogLevel(level LogLevel) *EthereumTransaction {
tx.Transaction.SetLogLevel(level)
return tx
}
func (tx *EthereumTransaction) Execute(client *Client) (TransactionResponse, error) {
return tx.Transaction.execute(client, tx)
}
func (tx *EthereumTransaction) Schedule() (*ScheduleCreateTransaction, error) {
return tx.Transaction.schedule(tx)
}
// ----------- Overridden functions ----------------
func (tx *EthereumTransaction) getName() string {
return "EthereumTransaction"
}
func (tx *EthereumTransaction) validateNetworkOnIDs(client *Client) error {
if client == nil || !client.autoValidateChecksums {
return nil
}
if tx.callData != nil {
if err := tx.callData.ValidateChecksum(client); err != nil {
return err
}
}
return nil
}
func (tx *EthereumTransaction) build() *services.TransactionBody {
body := &services.EthereumTransactionBody{
EthereumData: tx.ethereumData,
MaxGasAllowance: tx.MaxGasAllowed,
}
if tx.callData != nil {
body.CallData = tx.callData._ToProtobuf()
}
return &services.TransactionBody{
TransactionID: tx.transactionID._ToProtobuf(),
TransactionFee: tx.transactionFee,
TransactionValidDuration: _DurationToProtobuf(tx.GetTransactionValidDuration()),
Memo: tx.Transaction.memo,
Data: &services.TransactionBody_EthereumTransaction{
EthereumTransaction: body,
},
}
}
func (tx *EthereumTransaction) buildScheduled() (*services.SchedulableTransactionBody, error) {
return nil, errors.New("cannot schedule `EthereumTransaction")
}
func (tx *EthereumTransaction) getMethod(channel *_Channel) _Method {
return _Method{
transaction: channel._GetContract().CallEthereum,
}
}