diff options
Diffstat (limited to 'qa/rpc-tests/segwit.py')
| -rwxr-xr-x | qa/rpc-tests/segwit.py | 86 |
1 files changed, 44 insertions, 42 deletions
diff --git a/qa/rpc-tests/segwit.py b/qa/rpc-tests/segwit.py index f480e5c3f9..36eb0dbdc8 100755 --- a/qa/rpc-tests/segwit.py +++ b/qa/rpc-tests/segwit.py @@ -6,11 +6,11 @@ from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * -from test_framework.mininode import sha256, ripemd160, CTransaction, CTxIn, COutPoint, CTxOut +from test_framework.mininode import sha256, ripemd160, CTransaction, CTxIn, COutPoint, CTxOut, COIN from test_framework.address import script_to_p2sh, key_to_p2pkh -from test_framework.script import CScript, OP_HASH160, OP_CHECKSIG, OP_0, hash160, OP_EQUAL, OP_DUP, OP_EQUALVERIFY, OP_1, OP_2, OP_CHECKMULTISIG +from test_framework.script import CScript, OP_HASH160, OP_CHECKSIG, OP_0, hash160, OP_EQUAL, OP_DUP, OP_EQUALVERIFY, OP_1, OP_2, OP_CHECKMULTISIG, hash160 from io import BytesIO -from test_framework.mininode import FromHex +from test_framework.mininode import FromHex, ToHex NODE_0 = 0 NODE_1 = 1 @@ -18,47 +18,49 @@ NODE_2 = 2 WIT_V0 = 0 WIT_V1 = 1 -def witness_script(version, pubkey): - if (version == 0): - pubkeyhash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pubkey)))) - pkscript = "0014" + pubkeyhash - elif (version == 1): - # 1-of-1 multisig - scripthash = bytes_to_hex_str(sha256(hex_str_to_bytes("5121" + pubkey + "51ae"))) - pkscript = "0020" + scripthash +# Create a scriptPubKey corresponding to either a P2WPKH output for the +# given pubkey, or a P2WSH output of a 1-of-1 multisig for the given +# pubkey. Returns the hex encoding of the scriptPubKey. +def witness_script(use_p2wsh, pubkey): + if (use_p2wsh == False): + # P2WPKH instead + pubkeyhash = hash160(hex_str_to_bytes(pubkey)) + pkscript = CScript([OP_0, pubkeyhash]) else: - assert("Wrong version" == "0 or 1") - return pkscript - -def addlength(script): - scriptlen = format(len(script)//2, 'x') - assert(len(scriptlen) == 2) - return scriptlen + script - -def create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount): - pkscript = witness_script(version, pubkey) + # 1-of-1 multisig + witness_program = CScript([OP_1, hex_str_to_bytes(pubkey), OP_1, OP_CHECKMULTISIG]) + scripthash = sha256(witness_program) + pkscript = CScript([OP_0, scripthash]) + return bytes_to_hex_str(pkscript) + +# Return a transaction (in hex) that spends the given utxo to a segwit output, +# optionally wrapping the segwit output using P2SH. +def create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount): + pkscript = hex_str_to_bytes(witness_script(use_p2wsh, pubkey)) if (encode_p2sh): - p2sh_hash = bytes_to_hex_str(ripemd160(sha256(hex_str_to_bytes(pkscript)))) - pkscript = "a914"+p2sh_hash+"87" - inputs = [] - outputs = {} - inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]} ) - DUMMY_P2SH = "2MySexEGVzZpRgNQ1JdjdP5bRETznm3roQ2" # P2SH of "OP_1 OP_DROP" - outputs[DUMMY_P2SH] = amount - tx_to_witness = node.createrawtransaction(inputs,outputs) - #replace dummy output with our own - tx_to_witness = tx_to_witness[0:110] + addlength(pkscript) + tx_to_witness[-8:] - return tx_to_witness - -def send_to_witness(version, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""): - tx_to_witness = create_witnessprogram(version, node, utxo, pubkey, encode_p2sh, amount) + p2sh_hash = hash160(pkscript) + pkscript = CScript([OP_HASH160, p2sh_hash, OP_EQUAL]) + tx = CTransaction() + tx.vin.append(CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), b"")) + tx.vout.append(CTxOut(int(amount*COIN), pkscript)) + return ToHex(tx) + +# Create a transaction spending a given utxo to a segwit output corresponding +# to the given pubkey: use_p2wsh determines whether to use P2WPKH or P2WSH; +# encode_p2sh determines whether to wrap in P2SH. +# sign=True will have the given node sign the transaction. +# insert_redeem_script will be added to the scriptSig, if given. +def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""): + tx_to_witness = create_witnessprogram(use_p2wsh, utxo, pubkey, encode_p2sh, amount) if (sign): signed = node.signrawtransaction(tx_to_witness) assert("errors" not in signed or len(["errors"]) == 0) return node.sendrawtransaction(signed["hex"]) else: if (insert_redeem_script): - tx_to_witness = tx_to_witness[0:82] + addlength(insert_redeem_script) + tx_to_witness[84:] + tx = FromHex(CTransaction(), tx_to_witness) + tx.vin[0].scriptSig += CScript([hex_str_to_bytes(insert_redeem_script)]) + tx_to_witness = ToHex(tx) return node.sendrawtransaction(tx_to_witness) @@ -180,8 +182,8 @@ class SegWitTest(BitcoinTestFramework): self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0], False) self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0], False) # unsigned with redeem script - self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0], False, addlength(witness_script(0, self.pubkey[0]))) - self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0], False, addlength(witness_script(1, self.pubkey[0]))) + self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0], False, witness_script(False, self.pubkey[0])) + self.fail_accept(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0], False, witness_script(True, self.pubkey[0])) # signed self.fail_accept(self.nodes[0], wit_ids[NODE_0][WIT_V0][0], True) self.fail_accept(self.nodes[0], wit_ids[NODE_0][WIT_V1][0], True) @@ -205,8 +207,8 @@ class SegWitTest(BitcoinTestFramework): self.fail_accept(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False) self.log.info("Verify unsigned p2sh witness txs with a redeem script in versionbits-settings blocks are valid before the fork") - self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][1], False, addlength(witness_script(0, self.pubkey[2]))) #block 430 - self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False, addlength(witness_script(1, self.pubkey[2]))) #block 431 + self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][1], False, witness_script(False, self.pubkey[2])) #block 430 + self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False, witness_script(True, self.pubkey[2])) #block 431 self.log.info("Verify previous witness txs skipped for mining can now be mined") assert_equal(len(self.nodes[2].getrawmempool()), 4) @@ -230,8 +232,8 @@ class SegWitTest(BitcoinTestFramework): self.log.info("Verify witness txs without witness data are invalid after the fork") self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][2], False) self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][2], False) - self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False, addlength(witness_script(0, self.pubkey[2]))) - self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False, addlength(witness_script(1, self.pubkey[2]))) + self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False, witness_script(False, self.pubkey[2])) + self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False, witness_script(True, self.pubkey[2])) self.log.info("Verify default node can now use witness txs") self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V0][0], True) #block 432 |