hermez-node/test/til/txs_test.go
test/til/txs_test.goRaw
1package til
2
3import (
4 "math/big"
5 "testing"
6
7 "github.com/hermeznetwork/hermez-node/common"
8 "github.com/hermeznetwork/hermez-node/eth"
9 "github.com/stretchr/testify/assert"
10 "github.com/stretchr/testify/require"
11)
12
13func TestGenerateBlocksNoBatches(t *testing.T) {
14 set := `
15 Type: Blockchain
16 AddToken(1)
17 AddToken(2)
18
19 CreateAccountDeposit(1) A: 11
20 CreateAccountDeposit(2) B: 22
21
22 > block
23 `
24 tc := NewContext(eth.RollupConstMaxL1UserTx)
25 blocks, err := tc.GenerateBlocks(set)
26 require.Nil(t, err)
27 assert.Equal(t, 1, len(blocks))
28 assert.Equal(t, 0, len(blocks[0].Batches))
29 assert.Equal(t, 2, len(blocks[0].AddedTokens))
30 assert.Equal(t, 2, len(blocks[0].L1UserTxs))
31}
32
33func TestGenerateBlocks(t *testing.T) {
34 set := `
35 Type: Blockchain
36 AddToken(1)
37 AddToken(2)
38 AddToken(3)
39
40 CreateAccountDeposit(1) A: 10
41 CreateAccountDeposit(2) A: 20
42 CreateAccountDeposit(1) B: 5
43 CreateAccountDeposit(1) C: 5
44 CreateAccountDeposit(1) D: 5
45
46 > batchL1 // batchNum = 1
47 > batchL1 // batchNum = 2
48
49 CreateAccountDepositTransfer(1) F-A: 15, 10
50
51 Transfer(1) A-B: 6 (1)
52 Transfer(1) B-D: 3 (1)
53 Transfer(1) A-D: 1 (1)
54
55 // set new batch
56 > batch // batchNum = 3
57 CreateAccountCoordinator(1) E
58 CreateAccountCoordinator(2) B
59
60 DepositTransfer(1) A-B: 15, 10
61 Transfer(1) C-A : 3 (1)
62 Transfer(2) A-B: 15 (1)
63 Transfer(1) A-E: 1 (1)
64
65 CreateAccountDeposit(1) User0: 20
66 CreateAccountDeposit(3) User1: 20
67 CreateAccountCoordinator(1) User1
68 CreateAccountCoordinator(3) User0
69 > batchL1 // batchNum = 4
70 Transfer(1) User0-User1: 15 (1)
71 Transfer(3) User1-User0: 15 (1)
72 Transfer(1) A-C: 1 (1)
73
74 > batchL1 // batchNum = 5
75
76 Transfer(1) User1-User0: 1 (1)
77
78 > block
79
80 // Exits
81 Transfer(1) A-B: 1 (1)
82 Exit(1) A: 5 (1)
83
84 > batch // batchNum = 6
85 > block
86
87 // this transaction should not be generated, as it's after last
88 // batch and last block
89 Transfer(1) User1-User0: 1 (1)
90 `
91 tc := NewContext(eth.RollupConstMaxL1UserTx)
92 blocks, err := tc.GenerateBlocks(set)
93 require.Nil(t, err)
94 assert.Equal(t, 2, len(blocks))
95 assert.Equal(t, 5, len(blocks[0].Batches))
96 assert.Equal(t, 1, len(blocks[1].Batches))
97 assert.Equal(t, 9, len(blocks[0].L1UserTxs))
98 assert.Equal(t, 4, len(blocks[0].Batches[3].L1CoordinatorTxs))
99 assert.Equal(t, 0, len(blocks[1].L1UserTxs))
100
101 // Check expected values generated by each line
102 // #0: Deposit(1) A: 10
103 tc.checkL1TxParams(t, blocks[0].L1UserTxs[0], common.TxTypeCreateAccountDeposit, 1, "A", "", big.NewInt(10), nil)
104 // #1: Deposit(2) A: 20
105 tc.checkL1TxParams(t, blocks[0].L1UserTxs[1], common.TxTypeCreateAccountDeposit, 2, "A", "", big.NewInt(20), nil)
106 // // #2: Deposit(1) A: 20
107 tc.checkL1TxParams(t, blocks[0].L1UserTxs[2], common.TxTypeCreateAccountDeposit, 1, "B", "", big.NewInt(5), nil)
108 // // #3: CreateAccountDeposit(1) C: 5
109 tc.checkL1TxParams(t, blocks[0].L1UserTxs[3], common.TxTypeCreateAccountDeposit, 1, "C", "", big.NewInt(5), nil)
110 // // #4: CreateAccountDeposit(1) D: 5
111 tc.checkL1TxParams(t, blocks[0].L1UserTxs[4], common.TxTypeCreateAccountDeposit, 1, "D", "", big.NewInt(5), nil)
112 // #5: Transfer(1) A-B: 6 (1)
113 tc.checkL2TxParams(t, blocks[0].Batches[2].L2Txs[0], common.TxTypeTransfer, 1, "A", "B", big.NewInt(6), common.BatchNum(3))
114 // #6: Transfer(1) B-D: 3 (1)
115 tc.checkL2TxParams(t, blocks[0].Batches[2].L2Txs[1], common.TxTypeTransfer, 1, "B", "D", big.NewInt(3), common.BatchNum(3))
116 // #7: Transfer(1) A-D: 1 (1)
117 tc.checkL2TxParams(t, blocks[0].Batches[2].L2Txs[2], common.TxTypeTransfer, 1, "A", "D", big.NewInt(1), common.BatchNum(3))
118 // change of Batch
119 // #8: CreateAccountDepositTransfer(1) F-A: 15, 10 (3)
120 tc.checkL1TxParams(t, blocks[0].L1UserTxs[5], common.TxTypeCreateAccountDepositTransfer, 1, "F", "A", big.NewInt(15), big.NewInt(10))
121 // #9: DepositTransfer(1) A-B: 15, 10 (1)
122 tc.checkL1TxParams(t, blocks[0].L1UserTxs[6], common.TxTypeDepositTransfer, 1, "A", "B", big.NewInt(15), big.NewInt(10))
123 // #11: Transfer(1) C-A : 3 (1)
124 tc.checkL2TxParams(t, blocks[0].Batches[3].L2Txs[0], common.TxTypeTransfer, 1, "C", "A", big.NewInt(3), common.BatchNum(4))
125 // #12: Transfer(2) A-B: 15 (1)
126 tc.checkL2TxParams(t, blocks[0].Batches[3].L2Txs[1], common.TxTypeTransfer, 2, "A", "B", big.NewInt(15), common.BatchNum(4))
127 // #13: Deposit(1) User0: 20
128 tc.checkL1TxParams(t, blocks[0].L1UserTxs[7], common.TxTypeCreateAccountDeposit, 1, "User0", "", big.NewInt(20), nil)
129 // // #14: Deposit(3) User1: 20
130 tc.checkL1TxParams(t, blocks[0].L1UserTxs[8], common.TxTypeCreateAccountDeposit, 3, "User1", "", big.NewInt(20), nil)
131 // #15: Transfer(1) User0-User1: 15 (1)
132 tc.checkL2TxParams(t, blocks[0].Batches[4].L2Txs[0], common.TxTypeTransfer, 1, "User0", "User1", big.NewInt(15), common.BatchNum(5))
133 // #16: Transfer(3) User1-User0: 15 (1)
134 tc.checkL2TxParams(t, blocks[0].Batches[4].L2Txs[1], common.TxTypeTransfer, 3, "User1", "User0", big.NewInt(15), common.BatchNum(5))
135 // #17: Transfer(1) A-C: 1 (1)
136 tc.checkL2TxParams(t, blocks[0].Batches[4].L2Txs[2], common.TxTypeTransfer, 1, "A", "C", big.NewInt(1), common.BatchNum(5))
137 // change of Batch
138 // #18: Transfer(1) User1-User0: 1 (1)
139 tc.checkL2TxParams(t, blocks[1].Batches[0].L2Txs[0], common.TxTypeTransfer, 1, "User1", "User0", big.NewInt(1), common.BatchNum(6))
140 // change of Block (implies also a change of batch)
141 // #19: Transfer(1) A-B: 1 (1)
142 tc.checkL2TxParams(t, blocks[1].Batches[0].L2Txs[1], common.TxTypeTransfer, 1, "A", "B", big.NewInt(1), common.BatchNum(6))
143}
144
145func (tc *Context) checkL1TxParams(t *testing.T, tx common.L1Tx, typ common.TxType, tokenID common.TokenID, from, to string, loadAmount, amount *big.Int) {
146 assert.Equal(t, typ, tx.Type)
147 if tx.FromIdx != common.Idx(0) {
148 assert.Equal(t, tc.Users[from].Accounts[tokenID].Idx, tx.FromIdx)
149 }
150 assert.Equal(t, tc.Users[from].Addr.Hex(), tx.FromEthAddr.Hex())
151 assert.Equal(t, tc.Users[from].BJJ.Public(), tx.FromBJJ)
152 if tx.ToIdx != common.Idx(0) {
153 assert.Equal(t, tc.Users[to].Accounts[tokenID].Idx, tx.ToIdx)
154 }
155 if loadAmount != nil {
156 assert.Equal(t, loadAmount, tx.LoadAmount)
157 }
158 if amount != nil {
159 assert.Equal(t, amount, tx.Amount)
160 }
161}
162
163func (tc *Context) checkL2TxParams(t *testing.T, tx common.L2Tx, typ common.TxType, tokenID common.TokenID, from, to string, amount *big.Int, batchNum common.BatchNum) {
164 assert.Equal(t, typ, tx.Type)
165 assert.Equal(t, tc.Users[from].Accounts[tokenID].Idx, tx.FromIdx)
166 if tx.Type != common.TxTypeExit {
167 assert.Equal(t, tc.Users[to].Accounts[tokenID].Idx, tx.ToIdx)
168 }
169 if amount != nil {
170 assert.Equal(t, amount, tx.Amount)
171 }
172 assert.Equal(t, batchNum, tx.BatchNum)
173}
174
175func TestGeneratePoolL2Txs(t *testing.T) {
176 set := `
177 Type: Blockchain
178 AddToken(1)
179 AddToken(2)
180 AddToken(3)
181
182 CreateAccountDeposit(1) A: 10
183 CreateAccountDeposit(2) A: 20
184 CreateAccountDeposit(1) B: 5
185 CreateAccountDeposit(1) C: 5
186 CreateAccountDeposit(1) User0: 5
187 CreateAccountDeposit(1) User1: 0
188 CreateAccountDeposit(3) User0: 0
189 CreateAccountDeposit(3) User1: 5
190 CreateAccountDeposit(2) B: 5
191 CreateAccountDeposit(2) D: 0
192 > batchL1
193 > batchL1
194 `
195 tc := NewContext(eth.RollupConstMaxL1UserTx)
196 _, err := tc.GenerateBlocks(set)
197 require.Nil(t, err)
198 set = `
199 Type: PoolL2
200 PoolTransfer(1) A-B: 6 (1)
201 PoolTransfer(1) B-C: 3 (1)
202 PoolTransfer(1) C-A: 3 (1)
203 PoolTransfer(1) A-B: 1 (1)
204 PoolTransfer(2) A-B: 15 (1)
205 PoolTransfer(1) User0-User1: 15 (1)
206 PoolTransfer(3) User1-User0: 15 (1)
207 PoolTransfer(2) B-D: 3 (1)
208 PoolExit(1) A: 3 (1)
209 PoolTransferToEthAddr(1) A-B: 1 (1)
210 PoolTransferToBJJ(1) A-B: 1 (1)
211 `
212 poolL2Txs, err := tc.GeneratePoolL2Txs(set)
213 require.Nil(t, err)
214 assert.Equal(t, 11, len(poolL2Txs))
215 assert.Equal(t, common.TxTypeTransfer, poolL2Txs[0].Type)
216 assert.Equal(t, common.TxTypeExit, poolL2Txs[8].Type)
217 assert.Equal(t, tc.Users["B"].Addr.Hex(), poolL2Txs[0].ToEthAddr.Hex())
218 assert.Equal(t, tc.Users["B"].BJJ.Public().String(), poolL2Txs[0].ToBJJ.String())
219 assert.Equal(t, tc.Users["User1"].Addr.Hex(), poolL2Txs[5].ToEthAddr.Hex())
220 assert.Equal(t, tc.Users["User1"].BJJ.Public().String(), poolL2Txs[5].ToBJJ.String())
221
222 assert.Equal(t, common.Nonce(1), poolL2Txs[0].Nonce)
223 assert.Equal(t, common.Nonce(2), poolL2Txs[3].Nonce)
224 assert.Equal(t, common.Nonce(3), poolL2Txs[8].Nonce)
225
226 assert.Equal(t, tc.Users["B"].Addr.Hex(), poolL2Txs[9].ToEthAddr.Hex())
227 assert.Nil(t, poolL2Txs[9].ToBJJ)
228 assert.Equal(t, common.TxTypeTransferToEthAddr, poolL2Txs[9].Type)
229 assert.Equal(t, common.FFAddr, poolL2Txs[10].ToEthAddr)
230 assert.Equal(t, tc.Users["B"].BJJ.Public().String(), poolL2Txs[10].ToBJJ.String())
231 assert.Equal(t, common.TxTypeTransferToBJJ, poolL2Txs[10].Type)
232
233 // load another set in the same Context
234 set = `
235 Type: PoolL2
236 PoolTransfer(1) A-B: 6 (1)
237 PoolTransfer(1) B-C: 3 (1)
238 PoolTransfer(1) A-C: 3 (1)
239 `
240 poolL2Txs, err = tc.GeneratePoolL2Txs(set)
241 require.Nil(t, err)
242 assert.Equal(t, common.Nonce(6), poolL2Txs[0].Nonce)
243 assert.Equal(t, common.Nonce(2), poolL2Txs[1].Nonce)
244 assert.Equal(t, common.Nonce(7), poolL2Txs[2].Nonce)
245
246 // check that a PoolL2Tx can be done to a non existing ToIdx
247 set = `
248 Type: Blockchain
249 AddToken(1)
250 CreateAccountDeposit(1) A: 10
251 > batchL1
252 > batchL1
253 > block
254 `
255 tc = NewContext(eth.RollupConstMaxL1UserTx)
256 _, err = tc.GenerateBlocks(set)
257 require.Nil(t, err)
258 set = `
259 Type: PoolL2
260 PoolTransferToEthAddr(1) A-B: 3 (1)
261 PoolTransferToBJJ(1) A-C: 3 (1)
262 `
263 _, err = tc.GeneratePoolL2Txs(set)
264 require.Nil(t, err)
265 // expect error, as FromIdx=B is still not created for TokenID=1
266 set = `
267 Type: PoolL2
268 PoolTransferToEthAddr(1) B-A: 3 (1)
269 PoolTransferToBJJ(1) B-A: 3 (1)
270 `
271 _, err = tc.GeneratePoolL2Txs(set)
272 require.NotNil(t, err)
273}
274
275func TestGenerateErrors(t *testing.T) {
276 // unregistered token
277 set := `Type: Blockchain
278 CreateAccountDeposit(1) A: 5
279 > batchL1
280 `
281 tc := NewContext(eth.RollupConstMaxL1UserTx)
282 _, err := tc.GenerateBlocks(set)
283 assert.Equal(t, "Line 2: Can not process CreateAccountDeposit: TokenID 1 not registered, last registered TokenID: 0", err.Error())
284
285 // ensure AddToken sequentiality and not using 0
286 set = `
287 Type: Blockchain
288 AddToken(0)
289 `
290 tc = NewContext(eth.RollupConstMaxL1UserTx)
291 _, err = tc.GenerateBlocks(set)
292 require.Equal(t, "Line 2: AddToken can not register TokenID 0", err.Error())
293
294 set = `
295 Type: Blockchain
296 AddToken(2)
297 `
298 tc = NewContext(eth.RollupConstMaxL1UserTx)
299 _, err = tc.GenerateBlocks(set)
300 require.Equal(t, "Line 2: AddToken TokenID should be sequential, expected TokenID: 1, defined TokenID: 2", err.Error())
301
302 set = `
303 Type: Blockchain
304 AddToken(1)
305 AddToken(2)
306 AddToken(3)
307 AddToken(5)
308 `
309 tc = NewContext(eth.RollupConstMaxL1UserTx)
310 _, err = tc.GenerateBlocks(set)
311 require.Equal(t, "Line 5: AddToken TokenID should be sequential, expected TokenID: 4, defined TokenID: 5", err.Error())
312
313 // check transactions when account is not created yet
314 set = `
315 Type: Blockchain
316 AddToken(1)
317 CreateAccountDeposit(1) A: 10
318 > batchL1
319 CreateAccountDeposit(1) B
320 Transfer(1) A-B: 6 (1)
321 > batch
322 `
323 tc = NewContext(eth.RollupConstMaxL1UserTx)
324 _, err = tc.GenerateBlocks(set)
325 require.Equal(t, "Line 5: CreateAccountDeposit(1)BTransfer(1) A-B: 6 (1)\n, err: Expected ':', found 'Transfer'", err.Error())
326 set = `
327 Type: Blockchain
328 AddToken(1)
329 CreateAccountDeposit(1) A: 10
330 > batchL1
331 CreateAccountCoordinator(1) B
332 > batchL1
333 > batch
334 Transfer(1) A-B: 6 (1)
335 > batch
336 `
337 tc = NewContext(eth.RollupConstMaxL1UserTx)
338 _, err = tc.GenerateBlocks(set)
339 require.Nil(t, err)
340
341 // check nonces
342 set = `
343 Type: Blockchain
344 AddToken(1)
345 CreateAccountDeposit(1) A: 10
346 > batchL1
347 CreateAccountCoordinator(1) B
348 > batchL1
349 Transfer(1) A-B: 6 (1)
350 Transfer(1) A-B: 6 (1) // on purpose this is moving more money that what it has in the account, Til should not fail
351 Transfer(1) B-A: 6 (1)
352 Exit(1) A: 3 (1)
353 > batch
354 `
355 tc = NewContext(eth.RollupConstMaxL1UserTx)
356 _, err = tc.GenerateBlocks(set)
357 require.Nil(t, err)
358 assert.Equal(t, common.Nonce(3), tc.Users["A"].Accounts[common.TokenID(1)].Nonce)
359 assert.Equal(t, common.Idx(256), tc.Users["A"].Accounts[common.TokenID(1)].Idx)
360 assert.Equal(t, common.Nonce(1), tc.Users["B"].Accounts[common.TokenID(1)].Nonce)
361 assert.Equal(t, common.Idx(257), tc.Users["B"].Accounts[common.TokenID(1)].Idx)
362}