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[qa] Get rid of nondeterminism in bumpfee.py
Change bumpfee tests to use the spend_one_input function instead of the create_fund_sign_send function. The latter function would choose transaction inputs and fees in unpredictable ways depending on the order that tests ran, which meant that adding new tests could cause old tests to fail, and in general made bumpfee.py fragile and unpleasant to work with.
This commit is contained in:
Russell Yanofsky
parent
94b528bb0c
commit
e6b2963241
@ -74,7 +74,7 @@ class BumpFeeTest(BitcoinTestFramework):
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def test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address):
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rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000})
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rbfid = spend_one_input(rbf_node, dest_address)
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rbftx = rbf_node.gettransaction(rbfid)
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sync_mempools((rbf_node, peer_node))
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assert rbfid in rbf_node.getrawmempool() and rbfid in peer_node.getrawmempool()
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@ -127,7 +127,7 @@ def test_segwit_bumpfee_succeeds(rbf_node, dest_address):
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def test_nonrbf_bumpfee_fails(peer_node, dest_address):
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# cannot replace a non RBF transaction (from node which did not enable RBF)
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not_rbfid = create_fund_sign_send(peer_node, {dest_address: 0.00090000})
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not_rbfid = peer_node.sendtoaddress(dest_address, Decimal("0.00090000"))
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assert_raises_jsonrpc(-4, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid)
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@ -155,7 +155,7 @@ def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address):
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def test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address):
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# cannot bump fee if the transaction has a descendant
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# parent is send-to-self, so we don't have to check which output is change when creating the child tx
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parent_id = create_fund_sign_send(rbf_node, {rbf_node_address: 0.00050000})
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parent_id = spend_one_input(rbf_node, rbf_node_address)
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tx = rbf_node.createrawtransaction([{"txid": parent_id, "vout": 0}], {dest_address: 0.00020000})
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tx = rbf_node.signrawtransaction(tx)
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txid = rbf_node.sendrawtransaction(tx["hex"])
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@ -164,60 +164,50 @@ def test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address)
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def test_small_output_fails(rbf_node, dest_address):
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# cannot bump fee with a too-small output
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rbfid = spend_one_input(rbf_node,
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Decimal("0.00100000"),
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{dest_address: 0.00080000,
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rbf_node.getrawchangeaddress(): Decimal("0.00010000")})
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rbf_node.bumpfee(rbfid, {"totalFee": 20000})
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rbfid = spend_one_input(rbf_node, dest_address)
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rbf_node.bumpfee(rbfid, {"totalFee": 50000})
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rbfid = spend_one_input(rbf_node,
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Decimal("0.00100000"),
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{dest_address: 0.00080000,
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get_change_address(rbf_node): Decimal("0.00010000")})
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get_change_address(rbf_node): Decimal("0.00010000")})
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rbf_node.getrawchangeaddress(): Decimal("0.00010000")})
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assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 20001})
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rbfid = spend_one_input(rbf_node, dest_address)
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assert_raises_jsonrpc(-4, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 50001})
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def test_dust_to_fee(rbf_node, dest_address):
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# check that if output is reduced to dust, it will be converted to fee
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# the bumped tx sets fee=9900, but it converts to 10,000
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rbfid = spend_one_input(rbf_node,
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Decimal("0.00100000"),
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{dest_address: 0.00080000,
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rbf_node.getrawchangeaddress(): Decimal("0.00010000")})
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# the bumped tx sets fee=49,900, but it converts to 50,000
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rbfid = spend_one_input(rbf_node, dest_address)
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fulltx = rbf_node.getrawtransaction(rbfid, 1)
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bumped_tx = rbf_node.bumpfee(rbfid, {"totalFee": 19900})
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bumped_tx = rbf_node.bumpfee(rbfid, {"totalFee": 49900})
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full_bumped_tx = rbf_node.getrawtransaction(bumped_tx["txid"], 1)
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assert_equal(bumped_tx["fee"], Decimal("0.00020000"))
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assert_equal(bumped_tx["fee"], Decimal("0.00050000"))
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assert_equal(len(fulltx["vout"]), 2)
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assert_equal(len(full_bumped_tx["vout"]), 1) #change output is eliminated
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def test_settxfee(rbf_node, dest_address):
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# check that bumpfee reacts correctly to the use of settxfee (paytxfee)
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# increase feerate by 2.5x, test that fee increased at least 2x
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rbf_node.settxfee(Decimal("0.00001000"))
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rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000})
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rbfid = spend_one_input(rbf_node, dest_address)
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rbftx = rbf_node.gettransaction(rbfid)
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rbf_node.settxfee(Decimal("0.00002500"))
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requested_feerate = Decimal("0.00025000")
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rbf_node.settxfee(requested_feerate)
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bumped_tx = rbf_node.bumpfee(rbfid)
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assert bumped_tx["fee"] > 2 * abs(rbftx["fee"])
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actual_feerate = bumped_tx["fee"] * 1000 / rbf_node.getrawtransaction(bumped_tx["txid"], True)["size"]
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# Assert that the difference between the requested feerate and the actual
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# feerate of the bumped transaction is small.
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assert_greater_than(Decimal("0.00001000"), abs(requested_feerate - actual_feerate))
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rbf_node.settxfee(Decimal("0.00000000")) # unset paytxfee
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def test_rebumping(rbf_node, dest_address):
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# check that re-bumping the original tx fails, but bumping the bumper succeeds
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rbf_node.settxfee(Decimal("0.00001000"))
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rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000})
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bumped = rbf_node.bumpfee(rbfid, {"totalFee": 1000})
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assert_raises_jsonrpc(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 2000})
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rbf_node.bumpfee(bumped["txid"], {"totalFee": 2000})
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rbfid = spend_one_input(rbf_node, dest_address)
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bumped = rbf_node.bumpfee(rbfid, {"totalFee": 2000})
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assert_raises_jsonrpc(-4, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 3000})
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rbf_node.bumpfee(bumped["txid"], {"totalFee": 3000})
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def test_rebumping_not_replaceable(rbf_node, dest_address):
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# check that re-bumping a non-replaceable bump tx fails
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rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000})
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rbfid = spend_one_input(rbf_node, dest_address)
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bumped = rbf_node.bumpfee(rbfid, {"totalFee": 10000, "replaceable": False})
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assert_raises_jsonrpc(-4, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"],
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{"totalFee": 20000})
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@ -225,7 +215,7 @@ def test_rebumping_not_replaceable(rbf_node, dest_address):
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def test_unconfirmed_not_spendable(rbf_node, rbf_node_address):
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# check that unconfirmed outputs from bumped transactions are not spendable
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rbfid = create_fund_sign_send(rbf_node, {rbf_node_address: 0.00090000})
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rbfid = spend_one_input(rbf_node, rbf_node_address)
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rbftx = rbf_node.gettransaction(rbfid)["hex"]
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assert rbfid in rbf_node.getrawmempool()
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bumpid = rbf_node.bumpfee(rbfid)["txid"]
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@ -260,7 +250,7 @@ def test_unconfirmed_not_spendable(rbf_node, rbf_node_address):
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def test_bumpfee_metadata(rbf_node, dest_address):
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rbfid = rbf_node.sendtoaddress(dest_address, 0.00090000, "comment value", "to value")
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rbfid = rbf_node.sendtoaddress(dest_address, Decimal("0.00100000"), "comment value", "to value")
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bumped_tx = rbf_node.bumpfee(rbfid)
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bumped_wtx = rbf_node.gettransaction(bumped_tx["txid"])
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assert_equal(bumped_wtx["comment"], "comment value")
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@ -268,23 +258,18 @@ def test_bumpfee_metadata(rbf_node, dest_address):
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def test_locked_wallet_fails(rbf_node, dest_address):
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rbfid = create_fund_sign_send(rbf_node, {dest_address: 0.00090000})
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rbfid = spend_one_input(rbf_node, dest_address)
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rbf_node.walletlock()
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assert_raises_jsonrpc(-13, "Please enter the wallet passphrase with walletpassphrase first.",
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rbf_node.bumpfee, rbfid)
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def create_fund_sign_send(node, outputs):
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rawtx = node.createrawtransaction([], outputs)
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fundtx = node.fundrawtransaction(rawtx)
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signedtx = node.signrawtransaction(fundtx["hex"])
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txid = node.sendrawtransaction(signedtx["hex"])
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return txid
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def spend_one_input(node, input_amount, outputs):
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input = dict(sequence=BIP125_SEQUENCE_NUMBER, **next(u for u in node.listunspent() if u["amount"] == input_amount))
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rawtx = node.createrawtransaction([input], outputs)
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def spend_one_input(node, dest_address):
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input = dict(
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sequence=BIP125_SEQUENCE_NUMBER, **next(u for u in node.listunspent() if u["amount"] == Decimal("0.00100000")))
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rawtx = node.createrawtransaction(
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[input], {dest_address: Decimal("0.00050000"),
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node.getrawchangeaddress(): Decimal("0.00049000")})
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signedtx = node.signrawtransaction(rawtx)
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txid = node.sendrawtransaction(signedtx["hex"])
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return txid
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