rpc_rawtransaction.py
1 #!/usr/bin/env python3 2 # Copyright (c) 2014-present The Bitcoin Core developers 3 # Distributed under the MIT software license, see the accompanying 4 # file COPYING or http://www.opensource.org/licenses/mit-license.php. 5 """Test the rawtransaction RPCs. 6 7 Test the following RPCs: 8 - getrawtransaction 9 - createrawtransaction 10 - signrawtransactionwithwallet 11 - sendrawtransaction 12 - decoderawtransaction 13 """ 14 15 from collections import OrderedDict 16 from decimal import Decimal 17 from itertools import product 18 19 from test_framework.messages import ( 20 MAX_BIP125_RBF_SEQUENCE, 21 COIN, 22 TX_MAX_STANDARD_VERSION, 23 TX_MIN_STANDARD_VERSION, 24 CTransaction, 25 CTxOut, 26 tx_from_hex, 27 ) 28 from test_framework.script import ( 29 CScript, 30 OP_FALSE, 31 OP_INVALIDOPCODE, 32 OP_RETURN, 33 ) 34 from test_framework.test_framework import BitcoinTestFramework 35 from test_framework.util import ( 36 assert_equal, 37 assert_greater_than, 38 assert_raises_rpc_error, 39 sync_txindex, 40 ) 41 from test_framework.wallet import ( 42 getnewdestination, 43 MiniWallet, 44 ) 45 46 47 TXID = "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000" 48 49 50 class multidict(dict): 51 """Dictionary that allows duplicate keys. 52 53 Constructed with a list of (key, value) tuples. When dumped by the json module, 54 will output invalid json with repeated keys, eg: 55 >>> json.dumps(multidict([(1,2),(1,2)]) 56 '{"1": 2, "1": 2}' 57 58 Used to test calls to rpc methods with repeated keys in the json object.""" 59 60 def __init__(self, x): 61 dict.__init__(self, x) 62 self.x = x 63 64 def items(self): 65 return self.x 66 67 68 class RawTransactionsTest(BitcoinTestFramework): 69 def set_test_params(self): 70 self.num_nodes = 3 71 self.extra_args = [ 72 ["-txindex"], 73 [], 74 ["-fastprune", "-prune=1"], 75 ] 76 # whitelist peers to speed up tx relay / mempool sync 77 self.noban_tx_relay = True 78 self.supports_cli = False 79 80 def setup_network(self): 81 super().setup_network() 82 self.connect_nodes(0, 2) 83 84 def run_test(self): 85 self.wallet = MiniWallet(self.nodes[0]) 86 87 self.getrawtransaction_tests() 88 self.createrawtransaction_tests() 89 self.sendrawtransaction_tests() 90 self.sendrawtransaction_testmempoolaccept_tests() 91 self.decoderawtransaction_tests() 92 self.transaction_version_number_tests() 93 self.getrawtransaction_verbosity_tests() 94 95 def getrawtransaction_tests(self): 96 tx = self.wallet.send_self_transfer(from_node=self.nodes[0]) 97 self.generate(self.nodes[0], 1) 98 txId = tx['txid'] 99 err_msg = ( 100 "No such mempool transaction. Use -txindex or provide a block hash to enable" 101 " blockchain transaction queries. Use gettransaction for wallet transactions." 102 ) 103 104 for n in [0, 2]: 105 self.log.info(f"Test getrawtransaction {'with' if n == 0 else 'without'} -txindex") 106 107 if n == 0: 108 sync_txindex(self, self.nodes[n]) 109 # With -txindex. 110 # 1. valid parameters - only supply txid 111 assert_equal(self.nodes[n].getrawtransaction(txId), tx['hex']) 112 113 # 2. valid parameters - supply txid and 0 for non-verbose 114 assert_equal(self.nodes[n].getrawtransaction(txId, 0), tx['hex']) 115 116 # 3. valid parameters - supply txid and False for non-verbose 117 assert_equal(self.nodes[n].getrawtransaction(txId, False), tx['hex']) 118 119 # 4. valid parameters - supply txid and 1 for verbose. 120 # We only check the "hex" field of the output so we don't need to update this test every time the output format changes. 121 assert_equal(self.nodes[n].getrawtransaction(txId, 1)["hex"], tx['hex']) 122 assert_equal(self.nodes[n].getrawtransaction(txId, 2)["hex"], tx['hex']) 123 124 # 5. valid parameters - supply txid and True for non-verbose 125 assert_equal(self.nodes[n].getrawtransaction(txId, True)["hex"], tx['hex']) 126 else: 127 # Without -txindex, expect to raise. 128 for verbose in [None, 0, False, 1, True]: 129 assert_raises_rpc_error(-5, err_msg, self.nodes[n].getrawtransaction, txId, verbose) 130 131 # 6. invalid parameters - supply txid and invalid boolean values (strings) for verbose 132 for value in ["True", "False"]: 133 assert_raises_rpc_error(-3, "not of expected type number", self.nodes[n].getrawtransaction, txid=txId, verbose=value) 134 assert_raises_rpc_error(-3, "not of expected type number", self.nodes[n].getrawtransaction, txid=txId, verbosity=value) 135 136 # 7. invalid parameters - supply txid and empty array 137 assert_raises_rpc_error(-3, "not of expected type number", self.nodes[n].getrawtransaction, txId, []) 138 139 # 8. invalid parameters - supply txid and empty dict 140 assert_raises_rpc_error(-3, "not of expected type number", self.nodes[n].getrawtransaction, txId, {}) 141 142 # Make a tx by sending, then generate 2 blocks; block1 has the tx in it 143 tx = self.wallet.send_self_transfer(from_node=self.nodes[2])['txid'] 144 block1, block2 = self.generate(self.nodes[2], 2) 145 for n in [0, 2]: 146 self.log.info(f"Test getrawtransaction {'with' if n == 0 else 'without'} -txindex, with blockhash") 147 # We should be able to get the raw transaction by providing the correct block 148 gottx = self.nodes[n].getrawtransaction(txid=tx, verbose=True, blockhash=block1) 149 assert_equal(gottx['txid'], tx) 150 assert_equal(gottx['in_active_chain'], True) 151 if n == 0: 152 self.log.info("Test getrawtransaction with -txindex, without blockhash: 'in_active_chain' should be absent") 153 for v in [1,2]: 154 gottx = self.nodes[n].getrawtransaction(txid=tx, verbosity=v) 155 assert_equal(gottx['txid'], tx) 156 assert 'in_active_chain' not in gottx 157 else: 158 self.log.info("Test getrawtransaction without -txindex, without blockhash: expect the call to raise") 159 assert_raises_rpc_error(-5, err_msg, self.nodes[n].getrawtransaction, txid=tx, verbose=True) 160 # We should not get the tx if we provide an unrelated block 161 assert_raises_rpc_error(-5, "No such transaction found", self.nodes[n].getrawtransaction, txid=tx, blockhash=block2) 162 # An invalid block hash should raise the correct errors 163 assert_raises_rpc_error(-3, "JSON value of type bool is not of expected type string", self.nodes[n].getrawtransaction, txid=tx, blockhash=True) 164 assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 6, for 'foobar')", self.nodes[n].getrawtransaction, txid=tx, blockhash="foobar") 165 assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 8, for 'abcd1234')", self.nodes[n].getrawtransaction, txid=tx, blockhash="abcd1234") 166 foo = "ZZZ0000000000000000000000000000000000000000000000000000000000000" 167 assert_raises_rpc_error(-8, f"parameter 3 must be hexadecimal string (not '{foo}')", self.nodes[n].getrawtransaction, txid=tx, blockhash=foo) 168 bar = "0000000000000000000000000000000000000000000000000000000000000000" 169 assert_raises_rpc_error(-5, "Block hash not found", self.nodes[n].getrawtransaction, txid=tx, blockhash=bar) 170 # Undo the blocks and verify that "in_active_chain" is false. 171 self.nodes[n].invalidateblock(block1) 172 gottx = self.nodes[n].getrawtransaction(txid=tx, verbose=True, blockhash=block1) 173 assert_equal(gottx['in_active_chain'], False) 174 self.nodes[n].reconsiderblock(block1) 175 assert_equal(self.nodes[n].getbestblockhash(), block2) 176 177 self.log.info("Test getrawtransaction on genesis block coinbase returns an error") 178 block = self.nodes[0].getblock(self.nodes[0].getblockhash(0)) 179 assert_raises_rpc_error(-5, "The genesis block coinbase is not considered an ordinary transaction", self.nodes[0].getrawtransaction, block['merkleroot']) 180 181 def getrawtransaction_verbosity_tests(self): 182 tx = self.wallet.send_self_transfer(from_node=self.nodes[1])['txid'] 183 [block1] = self.generate(self.nodes[1], 1) 184 fields = [ 185 'blockhash', 186 'blocktime', 187 'confirmations', 188 'hash', 189 'hex', 190 'in_active_chain', 191 'locktime', 192 'size', 193 'time', 194 'txid', 195 'vin', 196 'vout', 197 'vsize', 198 'weight', 199 ] 200 prevout_fields = [ 201 'generated', 202 'height', 203 'value', 204 'scriptPubKey', 205 ] 206 script_pub_key_fields = [ 207 'address', 208 'asm', 209 'hex', 210 'type', 211 ] 212 # node 0 & 2 with verbosity 1 & 2 213 for n, v in product([0, 2], [1, 2]): 214 self.log.info(f"Test getrawtransaction_verbosity {v} {'with' if n == 0 else 'without'} -txindex, with blockhash") 215 gottx = self.nodes[n].getrawtransaction(txid=tx, verbosity=v, blockhash=block1) 216 missing_fields = set(fields).difference(gottx.keys()) 217 if missing_fields: 218 raise AssertionError(f"fields {', '.join(missing_fields)} are not in transaction") 219 220 assert len(gottx['vin']) > 0 221 if v == 1: 222 assert 'fee' not in gottx 223 assert 'prevout' not in gottx['vin'][0] 224 if v == 2: 225 assert isinstance(gottx['fee'], Decimal) 226 assert 'prevout' in gottx['vin'][0] 227 prevout = gottx['vin'][0]['prevout'] 228 script_pub_key = prevout['scriptPubKey'] 229 230 missing_fields = set(prevout_fields).difference(prevout.keys()) 231 if missing_fields: 232 raise AssertionError(f"fields {', '.join(missing_fields)} are not in transaction") 233 234 missing_fields = set(script_pub_key_fields).difference(script_pub_key.keys()) 235 if missing_fields: 236 raise AssertionError(f"fields {', '.join(missing_fields)} are not in transaction") 237 238 # check verbosity 2 without blockhash but with txindex 239 assert 'fee' in self.nodes[0].getrawtransaction(txid=tx, verbosity=2) 240 # check that coinbase has no fee or does not throw any errors for verbosity 2 241 coin_base = self.nodes[1].getblock(block1)['tx'][0] 242 gottx = self.nodes[1].getrawtransaction(txid=coin_base, verbosity=2, blockhash=block1) 243 assert 'fee' not in gottx 244 # check that verbosity 2 for a mempool tx will fallback to verbosity 1 245 # Do this with a pruned chain, as a regression test for https://github.com/bitcoin/bitcoin/pull/29003 246 self.generate(self.nodes[2], 400) 247 assert_greater_than(self.nodes[2].pruneblockchain(250), 0) 248 mempool_tx = self.wallet.send_self_transfer(from_node=self.nodes[2])['txid'] 249 gottx = self.nodes[2].getrawtransaction(txid=mempool_tx, verbosity=2) 250 assert 'fee' not in gottx 251 252 def createrawtransaction_tests(self): 253 self.log.info("Test createrawtransaction") 254 # Test `createrawtransaction` required parameters 255 assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction) 256 assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, []) 257 258 # Test `createrawtransaction` invalid extra parameters 259 assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [], {}, 0, False, 2, 3, 'foo') 260 261 # Test `createrawtransaction` invalid version parameters 262 assert_raises_rpc_error(-8, f"Invalid parameter, version out of range({TX_MIN_STANDARD_VERSION}~{TX_MAX_STANDARD_VERSION})", self.nodes[0].createrawtransaction, [], {}, 0, False, TX_MIN_STANDARD_VERSION - 1) 263 assert_raises_rpc_error(-8, f"Invalid parameter, version out of range({TX_MIN_STANDARD_VERSION}~{TX_MAX_STANDARD_VERSION})", self.nodes[0].createrawtransaction, [], {}, 0, False, TX_MAX_STANDARD_VERSION + 1) 264 265 # Test `createrawtransaction` invalid `inputs` 266 assert_raises_rpc_error(-3, "JSON value of type string is not of expected type array", self.nodes[0].createrawtransaction, 'foo', {}) 267 assert_raises_rpc_error(-3, "JSON value of type string is not of expected type object", self.nodes[0].createrawtransaction, ['foo'], {}) 268 assert_raises_rpc_error(-3, "JSON value of type null is not of expected type string", self.nodes[0].createrawtransaction, [{}], {}) 269 assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].createrawtransaction, [{'txid': 'foo'}], {}) 270 txid = "ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844" 271 assert_raises_rpc_error(-8, f"txid must be hexadecimal string (not '{txid}')", self.nodes[0].createrawtransaction, [{'txid': txid}], {}) 272 assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': TXID}], {}) 273 assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': TXID, 'vout': 'foo'}], {}) 274 assert_raises_rpc_error(-8, "Invalid parameter, vout cannot be negative", self.nodes[0].createrawtransaction, [{'txid': TXID, 'vout': -1}], {}) 275 # sequence number out of range 276 for invalid_seq in [-1, 4294967296]: 277 inputs = [{'txid': TXID, 'vout': 1, 'sequence': invalid_seq}] 278 address = getnewdestination()[2] 279 outputs = {address: 1} 280 assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', 281 self.nodes[0].createrawtransaction, inputs, outputs) 282 # with valid sequence number 283 for valid_seq in [1000, 4294967294]: 284 inputs = [{'txid': TXID, 'vout': 1, 'sequence': valid_seq}] 285 address = getnewdestination()[2] 286 outputs = {address: 1} 287 rawtx = self.nodes[0].createrawtransaction(inputs, outputs) 288 decrawtx = self.nodes[0].decoderawtransaction(rawtx) 289 assert_equal(decrawtx['vin'][0]['sequence'], valid_seq) 290 291 # Test `createrawtransaction` invalid `outputs` 292 address = getnewdestination()[2] 293 assert_raises_rpc_error(-3, "JSON value of type string is not of expected type array", self.nodes[0].createrawtransaction, [], 'foo') 294 self.nodes[0].createrawtransaction(inputs=[], outputs={}) # Should not throw for backwards compatibility 295 self.nodes[0].createrawtransaction(inputs=[], outputs=[]) 296 assert_raises_rpc_error(-8, "Data must be hexadecimal string", self.nodes[0].createrawtransaction, [], {'data': 'foo'}) 297 assert_raises_rpc_error(-5, "Invalid Bitcoin address", self.nodes[0].createrawtransaction, [], {'foo': 0}) 298 assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].createrawtransaction, [], {address: 'foo'}) 299 assert_raises_rpc_error(-3, "Amount out of range", self.nodes[0].createrawtransaction, [], {address: -1}) 300 assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], multidict([(address, 1), (address, 1)])) 301 assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], [{address: 1}, {address: 1}]) 302 assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], [{"data": 'aa'}, {"data": "bb"}]) 303 assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], multidict([("data", 'aa'), ("data", "bb")])) 304 assert_raises_rpc_error(-8, "Invalid parameter, key-value pair must contain exactly one key", self.nodes[0].createrawtransaction, [], [{'a': 1, 'b': 2}]) 305 assert_raises_rpc_error(-8, "Invalid parameter, key-value pair not an object as expected", self.nodes[0].createrawtransaction, [], [['key-value pair1'], ['2']]) 306 307 # Test `createrawtransaction` mismatch between sequence number(s) and `replaceable` option 308 assert_raises_rpc_error(-8, "Invalid parameter combination: Sequence number(s) contradict replaceable option", 309 self.nodes[0].createrawtransaction, [{'txid': TXID, 'vout': 0, 'sequence': MAX_BIP125_RBF_SEQUENCE+1}], {}, 0, True) 310 311 # Test `createrawtransaction` invalid `locktime` 312 assert_raises_rpc_error(-3, "JSON value of type string is not of expected type number", self.nodes[0].createrawtransaction, [], {}, 'foo') 313 assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, -1) 314 assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, 4294967296) 315 316 # Test `createrawtransaction` invalid `replaceable` 317 assert_raises_rpc_error(-3, "JSON value of type string is not of expected type bool", self.nodes[0].createrawtransaction, [], {}, 0, 'foo') 318 319 # Test that createrawtransaction accepts an array and object as outputs 320 # One output 321 tx = tx_from_hex(self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs={address: 99})) 322 assert_equal(len(tx.vout), 1) 323 assert_equal( 324 tx.serialize().hex(), 325 self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=[{address: 99}]), 326 ) 327 # Two outputs 328 address2 = getnewdestination()[2] 329 tx = tx_from_hex(self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=OrderedDict([(address, 99), (address2, 99)]))) 330 assert_equal(len(tx.vout), 2) 331 assert_equal( 332 tx.serialize().hex(), 333 self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=[{address: 99}, {address2: 99}]), 334 ) 335 # Multiple mixed outputs 336 tx = tx_from_hex(self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=multidict([(address, 99), (address2, 99), ('data', '99')]))) 337 assert_equal(len(tx.vout), 3) 338 assert_equal( 339 tx.serialize().hex(), 340 self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=[{address: 99}, {address2: 99}, {'data': '99'}]), 341 ) 342 343 for version in range(TX_MIN_STANDARD_VERSION, TX_MAX_STANDARD_VERSION + 1): 344 rawtx = self.nodes[2].createrawtransaction(inputs=[{'txid': TXID, 'vout': 9}], outputs=OrderedDict([(address, 99), (address2, 99)]), version=version) 345 tx = tx_from_hex(rawtx) 346 assert_equal(tx.version, version) 347 348 def sendrawtransaction_tests(self): 349 self.log.info("Test sendrawtransaction with missing input") 350 inputs = [{'txid': TXID, 'vout': 1}] # won't exist 351 address = getnewdestination()[2] 352 outputs = {address: 4.998} 353 rawtx = self.nodes[2].createrawtransaction(inputs, outputs) 354 assert_raises_rpc_error(-25, "bad-txns-inputs-missingorspent", self.nodes[2].sendrawtransaction, rawtx) 355 356 self.log.info("Test sendrawtransaction exceeding, falling short of, and equaling maxburnamount") 357 max_burn_exceeded = "Unspendable output exceeds maximum configured by user (maxburnamount)" 358 359 360 # Test that spendable transaction with default maxburnamount (0) gets sent 361 tx = self.wallet.create_self_transfer()['tx'] 362 tx_hex = tx.serialize().hex() 363 self.nodes[2].sendrawtransaction(hexstring=tx_hex) 364 365 # Test that datacarrier transaction with default maxburnamount (0) does not get sent 366 tx = self.wallet.create_self_transfer()['tx'] 367 tx_val = 0.001 368 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_RETURN] + [OP_FALSE] * 30))] 369 tx_hex = tx.serialize().hex() 370 assert_raises_rpc_error(-25, max_burn_exceeded, self.nodes[2].sendrawtransaction, tx_hex) 371 372 # Test that oversized script gets rejected by sendrawtransaction 373 tx = self.wallet.create_self_transfer()['tx'] 374 tx_val = 0.001 375 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_FALSE] * 10001))] 376 tx_hex = tx.serialize().hex() 377 assert_raises_rpc_error(-25, max_burn_exceeded, self.nodes[2].sendrawtransaction, tx_hex) 378 379 # Test that script containing invalid opcode gets rejected by sendrawtransaction 380 tx = self.wallet.create_self_transfer()['tx'] 381 tx_val = 0.01 382 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_INVALIDOPCODE]))] 383 tx_hex = tx.serialize().hex() 384 assert_raises_rpc_error(-25, max_burn_exceeded, self.nodes[2].sendrawtransaction, tx_hex) 385 386 # Test a transaction where our burn exceeds maxburnamount 387 tx = self.wallet.create_self_transfer()['tx'] 388 tx_val = 0.001 389 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_RETURN] + [OP_FALSE] * 30))] 390 tx_hex = tx.serialize().hex() 391 assert_raises_rpc_error(-25, max_burn_exceeded, self.nodes[2].sendrawtransaction, tx_hex, 0, 0.0009) 392 393 # Test a transaction where our burn falls short of maxburnamount 394 tx = self.wallet.create_self_transfer()['tx'] 395 tx_val = 0.001 396 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_RETURN] + [OP_FALSE] * 30))] 397 tx_hex = tx.serialize().hex() 398 self.nodes[2].sendrawtransaction(hexstring=tx_hex, maxfeerate='0', maxburnamount='0.0011') 399 400 # Test a transaction where our burn equals maxburnamount 401 tx = self.wallet.create_self_transfer()['tx'] 402 tx_val = 0.001 403 tx.vout = [CTxOut(int(Decimal(tx_val) * COIN), CScript([OP_RETURN] + [OP_FALSE] * 30))] 404 tx_hex = tx.serialize().hex() 405 self.nodes[2].sendrawtransaction(hexstring=tx_hex, maxfeerate='0', maxburnamount='0.001') 406 407 def sendrawtransaction_testmempoolaccept_tests(self): 408 self.log.info("Test sendrawtransaction/testmempoolaccept with maxfeerate") 409 fee_exceeds_max = "Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)" 410 411 # Test a transaction with a small fee. 412 # Fee rate is 0.00100000 BTC/kvB 413 tx = self.wallet.create_self_transfer(fee_rate=Decimal('0.00100000')) 414 # Thus, testmempoolaccept should reject 415 testres = self.nodes[2].testmempoolaccept([tx['hex']], 0.00001000)[0] 416 assert_equal(testres['allowed'], False) 417 assert_equal(testres['reject-reason'], 'max-fee-exceeded') 418 # and sendrawtransaction should throw 419 assert_raises_rpc_error(-25, fee_exceeds_max, self.nodes[2].sendrawtransaction, tx['hex'], 0.00001000) 420 # and the following calls should both succeed 421 testres = self.nodes[2].testmempoolaccept(rawtxs=[tx['hex']])[0] 422 assert_equal(testres['allowed'], True) 423 self.nodes[2].sendrawtransaction(hexstring=tx['hex']) 424 425 # Test a transaction with a large fee. 426 # Fee rate is 0.20000000 BTC/kvB 427 tx = self.wallet.create_self_transfer(fee_rate=Decimal("0.20000000")) 428 # Thus, testmempoolaccept should reject 429 testres = self.nodes[2].testmempoolaccept([tx['hex']])[0] 430 assert_equal(testres['allowed'], False) 431 assert_equal(testres['reject-reason'], 'max-fee-exceeded') 432 # and sendrawtransaction should throw 433 assert_raises_rpc_error(-25, fee_exceeds_max, self.nodes[2].sendrawtransaction, tx['hex']) 434 # and the following calls should both succeed 435 testres = self.nodes[2].testmempoolaccept(rawtxs=[tx['hex']], maxfeerate='0.20000000')[0] 436 assert_equal(testres['allowed'], True) 437 self.nodes[2].sendrawtransaction(hexstring=tx['hex'], maxfeerate='0.20000000') 438 439 self.log.info("Test sendrawtransaction/testmempoolaccept with tx outputs already in the utxo set") 440 self.generate(self.nodes[2], 1) 441 for node in self.nodes: 442 testres = node.testmempoolaccept([tx['hex']])[0] 443 assert_equal(testres['allowed'], False) 444 assert_equal(testres['reject-reason'], 'txn-already-known') 445 assert_raises_rpc_error(-27, 'Transaction outputs already in utxo set', node.sendrawtransaction, tx['hex']) 446 447 def decoderawtransaction_tests(self): 448 self.log.info("Test decoderawtransaction") 449 # witness transaction 450 encrawtx = "010000000001010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f50500000000000102616100000000" 451 decrawtx = self.nodes[0].decoderawtransaction(encrawtx, True) # decode as witness transaction 452 assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000')) 453 assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # force decode as non-witness transaction 454 # non-witness transaction 455 encrawtx = "01000000010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f505000000000000000000" 456 decrawtx = self.nodes[0].decoderawtransaction(encrawtx, False) # decode as non-witness transaction 457 assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000')) 458 # known ambiguous transaction in the chain (see https://github.com/bitcoin/bitcoin/issues/20579) 459 coinbase = "03c68708046ff8415c622f4254432e434f4d2ffabe6d6de1965d02c68f928e5b244ab1965115a36f56eb997633c7f690124bbf43644e23080000000ca3d3af6d005a65ff0200fd00000000" 460 encrawtx = f"020000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff4b{coinbase}" \ 461 "ffffffff03f4c1fb4b0000000016001497cfc76442fe717f2a3f0cc9c175f7561b6619970000000000000000266a24aa21a9ed957d1036a80343e0d1b659497e1b48a38ebe876a056d45965fac4a85cda84e1900000000000000002952534b424c4f434b3a8e092581ab01986cbadc84f4b43f4fa4bb9e7a2e2a0caf9b7cf64d939028e22c0120000000000000000000000000000000000000000000000000000000000000000000000000" 462 decrawtx = self.nodes[0].decoderawtransaction(encrawtx) 463 decrawtx_wit = self.nodes[0].decoderawtransaction(encrawtx, True) 464 assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # fails to decode as non-witness transaction 465 assert_equal(decrawtx, decrawtx_wit) # the witness interpretation should be chosen 466 assert_equal(decrawtx['vin'][0]['coinbase'], coinbase) 467 468 def transaction_version_number_tests(self): 469 self.log.info("Test transaction version numbers") 470 471 # Test the minimum transaction version number that fits in a signed 32-bit integer. 472 # As transaction version is serialized unsigned, this should convert to its unsigned equivalent. 473 tx = CTransaction() 474 tx.version = 0x80000000 475 rawtx = tx.serialize().hex() 476 decrawtx = self.nodes[0].decoderawtransaction(rawtx) 477 assert_equal(decrawtx['version'], 0x80000000) 478 479 # Test the maximum transaction version number that fits in a signed 32-bit integer. 480 tx = CTransaction() 481 tx.version = 0x7fffffff 482 rawtx = tx.serialize().hex() 483 decrawtx = self.nodes[0].decoderawtransaction(rawtx) 484 assert_equal(decrawtx['version'], 0x7fffffff) 485 486 # Test the minimum transaction version number that fits in an unsigned 32-bit integer. 487 tx = CTransaction() 488 tx.version = 0 489 rawtx = tx.serialize().hex() 490 decrawtx = self.nodes[0].decoderawtransaction(rawtx) 491 assert_equal(decrawtx['version'], 0) 492 493 # Test the maximum transaction version number that fits in an unsigned 32-bit integer. 494 tx = CTransaction() 495 tx.version = 0xffffffff 496 rawtx = tx.serialize().hex() 497 decrawtx = self.nodes[0].decoderawtransaction(rawtx) 498 assert_equal(decrawtx['version'], 0xffffffff) 499 500 if __name__ == '__main__': 501 RawTransactionsTest(__file__).main()