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wallet: Strictly match tx change type to improve privacy

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This commit is contained in:
MarcoFalke
2021-12-09 18:28:19 +01:00
parent 8c0bd871fc
commit fada6c65d2
5 changed files with 68 additions and 53 deletions
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23
test/functional/rpc_fundrawtransaction.py
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@ -571,12 +571,12 @@ class RawTransactionsTest(BitcoinTestFramework):
if self.options.descriptors:
self.nodes[1].walletpassphrase('test', 10)
self.nodes[1].importdescriptors([{
'desc': descsum_create('tr(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/0h/*h)'),
'desc': descsum_create('wpkh(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/0h/*h)'),
'timestamp': 'now',
'active': True
},
{
'desc': descsum_create('tr(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/1h/*h)'),
'desc': descsum_create('wpkh(tprv8ZgxMBicQKsPdYeeZbPSKd2KYLmeVKtcFA7kqCxDvDR13MQ6us8HopUR2wLcS2ZKPhLyKsqpDL2FtL73LMHcgoCL7DXsciA8eX8nbjCR2eG/1h/*h)'),
'timestamp': 'now',
'active': True,
'internal': True
@ -778,18 +778,11 @@ class RawTransactionsTest(BitcoinTestFramework):
for param, zero_value in product(["fee_rate", "feeRate"], [0, 0.000, 0.00000000, "0", "0.000", "0.00000000"]):
assert_equal(self.nodes[3].fundrawtransaction(rawtx, {param: zero_value})["fee"], 0)
if self.options.descriptors:
# With no arguments passed, expect fee of 153 satoshis as descriptor wallets now have a taproot output.
assert_approx(node.fundrawtransaction(rawtx)["fee"], vexp=0.00000153, vspan=0.00000001)
# Expect fee to be 10,000x higher when an explicit fee rate 10,000x greater is specified.
result = node.fundrawtransaction(rawtx, {"fee_rate": 10000})
assert_approx(result["fee"], vexp=0.0153, vspan=0.0001)
else:
# With no arguments passed, expect fee of 141 satoshis as legacy wallets only support up to segwit v0.
assert_approx(node.fundrawtransaction(rawtx)["fee"], vexp=0.00000141, vspan=0.00000001)
# Expect fee to be 10,000x higher when an explicit fee rate 10,000x greater is specified.
result = node.fundrawtransaction(rawtx, {"fee_rate": 10000})
assert_approx(result["fee"], vexp=0.0141, vspan=0.0001)
# With no arguments passed, expect fee of 141 satoshis.
assert_approx(node.fundrawtransaction(rawtx)["fee"], vexp=0.00000141, vspan=0.00000001)
# Expect fee to be 10,000x higher when an explicit fee rate 10,000x greater is specified.
result = node.fundrawtransaction(rawtx, {"fee_rate": 10000})
assert_approx(result["fee"], vexp=0.0141, vspan=0.0001)
self.log.info("Test fundrawtxn with invalid estimate_mode settings")
for k, v in {"number": 42, "object": {"foo": "bar"}}.items():
@ -1080,7 +1073,7 @@ class RawTransactionsTest(BitcoinTestFramework):
# Make sure the default wallet will not be loaded when restarted with a high minrelaytxfee
self.nodes[0].unloadwallet(self.default_wallet_name, False)
feerate = Decimal("0.1")
self.restart_node(0, [f"-minrelaytxfee={feerate}", "-discardfee=0", "-changetype=bech32", "-addresstype=bech32"]) # Set high minrelayfee, set discardfee to 0 for easier calculation
self.restart_node(0, [f"-minrelaytxfee={feerate}", "-discardfee=0"]) # Set high minrelayfee, set discardfee to 0 for easier calculation
self.nodes[0].loadwallet(self.default_wallet_name, True)
funds = self.nodes[0].get_wallet_rpc(self.default_wallet_name)