Merge #8456: [RPC] Simplified bumpfee command.
cc0243a[RPC] bumpfee (mrbandrews)52dde66[wallet] Add include_unsafe argument to listunspent RPC (Russell Yanofsky)766e8a4[wallet] Add IsAllFromMe: true if all inputs are from wallet (Suhas Daftuar)
This commit is contained in:
Wladimir J. van der Laan
commit
2ef52d3cf1
8 changed files with 715 additions and 14 deletions
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@ -151,6 +151,7 @@ testScripts = [
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'signmessages.py',
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'nulldummy.py',
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'import-rescan.py',
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'bumpfee.py',
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'rpcnamedargs.py',
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]
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if ENABLE_ZMQ:
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317
qa/rpc-tests/bumpfee.py
Executable file
317
qa/rpc-tests/bumpfee.py
Executable file
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@ -0,0 +1,317 @@
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#!/usr/bin/env python3
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# Copyright (c) 2016 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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from segwit import send_to_witness
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework import blocktools
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from test_framework.mininode import CTransaction
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from test_framework.util import *
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from test_framework.util import *
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import io
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import time
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# Sequence number that is BIP 125 opt-in and BIP 68-compliant
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BIP125_SEQUENCE_NUMBER = 0xfffffffd
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WALLET_PASSPHRASE = "test"
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WALLET_PASSPHRASE_TIMEOUT = 3600
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class BumpFeeTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 2
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self.setup_clean_chain = True
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def setup_network(self, split=False):
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extra_args = [["-debug", "-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
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for i in range(self.num_nodes)]
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
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# Encrypt wallet for test_locked_wallet_fails test
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self.nodes[1].encryptwallet(WALLET_PASSPHRASE)
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bitcoind_processes[1].wait()
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self.nodes[1] = start_node(1, self.options.tmpdir, extra_args[1])
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self.nodes[1].walletpassphrase(WALLET_PASSPHRASE, WALLET_PASSPHRASE_TIMEOUT)
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connect_nodes_bi(self.nodes, 0, 1)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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peer_node, rbf_node = self.nodes
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rbf_node_address = rbf_node.getnewaddress()
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# fund rbf node with 10 coins of 0.001 btc (100,000 satoshis)
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print("Mining blocks...")
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peer_node.generate(110)
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self.sync_all()
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for i in range(25):
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peer_node.sendtoaddress(rbf_node_address, 0.001)
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self.sync_all()
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peer_node.generate(1)
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self.sync_all()
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assert_equal(rbf_node.getbalance(), Decimal("0.025"))
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print("Running tests")
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dest_address = peer_node.getnewaddress()
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test_small_output_fails(rbf_node, dest_address)
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test_dust_to_fee(rbf_node, dest_address)
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test_simple_bumpfee_succeeds(rbf_node, peer_node, dest_address)
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test_segwit_bumpfee_succeeds(rbf_node, dest_address)
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test_nonrbf_bumpfee_fails(peer_node, dest_address)
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test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address)
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test_bumpfee_with_descendant_fails(rbf_node, rbf_node_address, dest_address)
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test_settxfee(rbf_node, dest_address)
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test_rebumping(rbf_node, dest_address)
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test_rebumping_not_replaceable(rbf_node, dest_address)
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test_unconfirmed_not_spendable(rbf_node, rbf_node_address)
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test_locked_wallet_fails(rbf_node, dest_address)
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print("Success")
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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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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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bumped_tx = rbf_node.bumpfee(rbfid)
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assert bumped_tx["fee"] - abs(rbftx["fee"]) > 0
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# check that bumped_tx propogates, original tx was evicted and has a wallet conflict
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sync_mempools((rbf_node, peer_node))
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assert bumped_tx["txid"] in rbf_node.getrawmempool()
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assert bumped_tx["txid"] in peer_node.getrawmempool()
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assert rbfid not in rbf_node.getrawmempool()
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assert rbfid not in peer_node.getrawmempool()
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oldwtx = rbf_node.gettransaction(rbfid)
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assert len(oldwtx["walletconflicts"]) > 0
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# check wallet transaction replaces and replaced_by values
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bumpedwtx = rbf_node.gettransaction(bumped_tx["txid"])
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assert_equal(oldwtx["replaced_by_txid"], bumped_tx["txid"])
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assert_equal(bumpedwtx["replaces_txid"], rbfid)
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def test_segwit_bumpfee_succeeds(rbf_node, dest_address):
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# Create a transaction with segwit output, then create an RBF transaction
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# which spends it, and make sure bumpfee can be called on it.
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segwit_in = next(u for u in rbf_node.listunspent() if u["amount"] == Decimal("0.001"))
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segwit_out = rbf_node.validateaddress(rbf_node.getnewaddress())
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rbf_node.addwitnessaddress(segwit_out["address"])
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segwitid = send_to_witness(
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version=0,
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node=rbf_node,
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utxo=segwit_in,
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pubkey=segwit_out["pubkey"],
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encode_p2sh=False,
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amount=Decimal("0.0009"),
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sign=True)
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rbfraw = rbf_node.createrawtransaction([{
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'txid': segwitid,
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'vout': 0,
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"sequence": BIP125_SEQUENCE_NUMBER
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}], {dest_address: Decimal("0.0005"),
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get_change_address(rbf_node): Decimal("0.0003")})
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rbfsigned = rbf_node.signrawtransaction(rbfraw)
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rbfid = rbf_node.sendrawtransaction(rbfsigned["hex"])
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assert rbfid in rbf_node.getrawmempool()
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bumped_tx = rbf_node.bumpfee(rbfid)
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assert bumped_tx["txid"] in rbf_node.getrawmempool()
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assert rbfid not in rbf_node.getrawmempool()
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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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assert_raises_message(JSONRPCException, "not BIP 125 replaceable", peer_node.bumpfee, not_rbfid)
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def test_notmine_bumpfee_fails(rbf_node, peer_node, dest_address):
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# cannot bump fee unless the tx has only inputs that we own.
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# here, the rbftx has a peer_node coin and then adds a rbf_node input
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# Note that this test depends upon the RPC code checking input ownership prior to change outputs
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# (since it can't use fundrawtransaction, it lacks a proper change output)
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utxos = [node.listunspent()[-1] for node in (rbf_node, peer_node)]
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inputs = [{
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"txid": utxo["txid"],
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"vout": utxo["vout"],
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"address": utxo["address"],
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"sequence": BIP125_SEQUENCE_NUMBER
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} for utxo in utxos]
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output_val = sum(utxo["amount"] for utxo in utxos) - Decimal("0.001")
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rawtx = rbf_node.createrawtransaction(inputs, {dest_address: output_val})
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signedtx = rbf_node.signrawtransaction(rawtx)
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signedtx = peer_node.signrawtransaction(signedtx["hex"])
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rbfid = rbf_node.sendrawtransaction(signedtx["hex"])
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assert_raises_message(JSONRPCException, "Transaction contains inputs that don't belong to this wallet",
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rbf_node.bumpfee, rbfid)
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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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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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assert_raises_message(JSONRPCException, "Transaction has descendants in the wallet", rbf_node.bumpfee, parent_id)
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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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get_change_address(rbf_node): Decimal("0.00010000")})
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rbf_node.bumpfee(rbfid, {"totalFee": 20000})
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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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assert_raises_message(JSONRPCException, "Change output is too small", rbf_node.bumpfee, rbfid, {"totalFee": 20001})
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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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get_change_address(rbf_node): Decimal("0.00010000")})
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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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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(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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rbftx = rbf_node.gettransaction(rbfid)
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rbf_node.settxfee(Decimal("0.00002500"))
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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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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_message(JSONRPCException, "already bumped", rbf_node.bumpfee, rbfid, {"totalFee": 2000})
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rbf_node.bumpfee(bumped["txid"], {"totalFee": 2000})
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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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bumped = rbf_node.bumpfee(rbfid, {"totalFee": 10000, "replaceable": False})
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assert_raises_message(JSONRPCException, "Transaction is not BIP 125 replaceable", rbf_node.bumpfee, bumped["txid"],
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{"totalFee": 20000})
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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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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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assert bumpid in rbf_node.getrawmempool()
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assert rbfid not in rbf_node.getrawmempool()
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# check that outputs from the bump transaction are not spendable
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# due to the replaces_txid check in CWallet::AvailableCoins
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assert_equal([t for t in rbf_node.listunspent(minconf=0, include_unsafe=False) if t["txid"] == bumpid], [])
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# submit a block with the rbf tx to clear the bump tx out of the mempool,
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# then call abandon to make sure the wallet doesn't attempt to resubmit the
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# bump tx, then invalidate the block so the rbf tx will be put back in the
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# mempool. this makes it possible to check whether the rbf tx outputs are
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# spendable before the rbf tx is confirmed.
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block = submit_block_with_tx(rbf_node, rbftx)
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rbf_node.abandontransaction(bumpid)
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rbf_node.invalidateblock(block.hash)
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assert bumpid not in rbf_node.getrawmempool()
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assert rbfid in rbf_node.getrawmempool()
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# check that outputs from the rbf tx are not spendable before the
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# transaction is confirmed, due to the replaced_by_txid check in
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# CWallet::AvailableCoins
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assert_equal([t for t in rbf_node.listunspent(minconf=0, include_unsafe=False) if t["txid"] == rbfid], [])
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# check that the main output from the rbf tx is spendable after confirmed
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rbf_node.generate(1)
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assert_equal(
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sum(1 for t in rbf_node.listunspent(minconf=0, include_unsafe=False)
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if t["txid"] == rbfid and t["address"] == rbf_node_address and t["spendable"]), 1)
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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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rbf_node.walletlock()
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assert_raises_message(JSONRPCException, "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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signedtx = node.signrawtransaction(rawtx)
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txid = node.sendrawtransaction(signedtx["hex"])
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return txid
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def get_change_address(node):
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"""Get a wallet change address.
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There is no wallet RPC to access unused change addresses, so this creates a
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dummy transaction, calls fundrawtransaction to give add an input and change
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output, then returns the change address."""
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dest_address = node.getnewaddress()
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dest_amount = Decimal("0.00012345")
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rawtx = node.createrawtransaction([], {dest_address: dest_amount})
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fundtx = node.fundrawtransaction(rawtx)
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info = node.decoderawtransaction(fundtx["hex"])
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return next(address for out in info["vout"]
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if out["value"] != dest_amount for address in out["scriptPubKey"]["addresses"])
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def submit_block_with_tx(node, tx):
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ctx = CTransaction()
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ctx.deserialize(io.BytesIO(hex_str_to_bytes(tx)))
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tip = node.getbestblockhash()
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height = node.getblockcount() + 1
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block_time = node.getblockheader(tip)["mediantime"] + 1
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block = blocktools.create_block(int(tip, 16), blocktools.create_coinbase(height), block_time)
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block.vtx.append(ctx)
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block.rehash()
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block.hashMerkleRoot = block.calc_merkle_root()
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block.solve()
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error = node.submitblock(bytes_to_hex_str(block.serialize(True)))
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if error is not None:
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raise Exception(error)
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return block
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if __name__ == "__main__":
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BumpFeeTest().main()
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@ -117,6 +117,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
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{ "setnetworkactive", 0, "state" },
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{ "getmempoolancestors", 1, "verbose" },
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{ "getmempooldescendants", 1, "verbose" },
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{ "bumpfee", 1, "options" },
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// Echo with conversion (For testing only)
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{ "echojson", 0, "arg0" },
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{ "echojson", 1, "arg1" },
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@ -79,16 +79,20 @@ void RPCTypeCheck(const UniValue& params,
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break;
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const UniValue& v = params[i];
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if (!((v.type() == t) || (fAllowNull && (v.isNull()))))
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{
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string err = strprintf("Expected type %s, got %s",
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uvTypeName(t), uvTypeName(v.type()));
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throw JSONRPCError(RPC_TYPE_ERROR, err);
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if (!(fAllowNull && v.isNull())) {
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RPCTypeCheckArgument(v, t);
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}
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i++;
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}
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}
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void RPCTypeCheckArgument(const UniValue& value, UniValue::VType typeExpected)
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{
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if (value.type() != typeExpected) {
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throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Expected type %s, got %s", uvTypeName(typeExpected), uvTypeName(value.type())));
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}
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}
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void RPCTypeCheckObj(const UniValue& o,
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const map<string, UniValueType>& typesExpected,
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bool fAllowNull,
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@ -78,6 +78,11 @@ bool RPCIsInWarmup(std::string *statusOut);
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void RPCTypeCheck(const UniValue& params,
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const std::list<UniValue::VType>& typesExpected, bool fAllowNull=false);
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/**
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* Type-check one argument; throws JSONRPCError if wrong type given.
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*/
|
||||
void RPCTypeCheckArgument(const UniValue& value, UniValue::VType typeExpected);
|
||||
|
||||
/*
|
||||
Check for expected keys/value types in an Object.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -11,8 +11,10 @@
|
|||
#include "init.h"
|
||||
#include "validation.h"
|
||||
#include "net.h"
|
||||
#include "policy/policy.h"
|
||||
#include "policy/rbf.h"
|
||||
#include "rpc/server.h"
|
||||
#include "script/sign.h"
|
||||
#include "timedata.h"
|
||||
#include "util.h"
|
||||
#include "utilmoneystr.h"
|
||||
|
|
@ -2364,9 +2366,9 @@ UniValue listunspent(const JSONRPCRequest& request)
|
|||
if (!EnsureWalletIsAvailable(request.fHelp))
|
||||
return NullUniValue;
|
||||
|
||||
if (request.fHelp || request.params.size() > 3)
|
||||
if (request.fHelp || request.params.size() > 4)
|
||||
throw runtime_error(
|
||||
"listunspent ( minconf maxconf [\"addresses\",...] )\n"
|
||||
"listunspent ( minconf maxconf [\"addresses\",...] [include_unsafe] )\n"
|
||||
"\nReturns array of unspent transaction outputs\n"
|
||||
"with between minconf and maxconf (inclusive) confirmations.\n"
|
||||
"Optionally filter to only include txouts paid to specified addresses.\n"
|
||||
|
|
@ -2378,6 +2380,10 @@ UniValue listunspent(const JSONRPCRequest& request)
|
|||
" \"address\" (string) bitcoin address\n"
|
||||
" ,...\n"
|
||||
" ]\n"
|
||||
"4. include_unsafe (bool, optional, default=true) Include outputs that are not safe to spend\n"
|
||||
" because they come from unconfirmed untrusted transactions or unconfirmed\n"
|
||||
" replacement transactions (cases where we are less sure that a conflicting\n"
|
||||
" transaction won't be mined).\n"
|
||||
"\nResult\n"
|
||||
"[ (array of json object)\n"
|
||||
" {\n"
|
||||
|
|
@ -2401,18 +2407,21 @@ UniValue listunspent(const JSONRPCRequest& request)
|
|||
+ HelpExampleRpc("listunspent", "6, 9999999 \"[\\\"1PGFqEzfmQch1gKD3ra4k18PNj3tTUUSqg\\\",\\\"1LtvqCaApEdUGFkpKMM4MstjcaL4dKg8SP\\\"]\"")
|
||||
);
|
||||
|
||||
RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VNUM)(UniValue::VNUM)(UniValue::VARR));
|
||||
|
||||
int nMinDepth = 1;
|
||||
if (request.params.size() > 0)
|
||||
if (request.params.size() > 0 && !request.params[0].isNull()) {
|
||||
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
|
||||
nMinDepth = request.params[0].get_int();
|
||||
}
|
||||
|
||||
int nMaxDepth = 9999999;
|
||||
if (request.params.size() > 1)
|
||||
if (request.params.size() > 1 && !request.params[1].isNull()) {
|
||||
RPCTypeCheckArgument(request.params[1], UniValue::VNUM);
|
||||
nMaxDepth = request.params[1].get_int();
|
||||
}
|
||||
|
||||
set<CBitcoinAddress> setAddress;
|
||||
if (request.params.size() > 2) {
|
||||
if (request.params.size() > 2 && !request.params[2].isNull()) {
|
||||
RPCTypeCheckArgument(request.params[2], UniValue::VARR);
|
||||
UniValue inputs = request.params[2].get_array();
|
||||
for (unsigned int idx = 0; idx < inputs.size(); idx++) {
|
||||
const UniValue& input = inputs[idx];
|
||||
|
|
@ -2425,11 +2434,17 @@ UniValue listunspent(const JSONRPCRequest& request)
|
|||
}
|
||||
}
|
||||
|
||||
bool include_unsafe = true;
|
||||
if (request.params.size() > 3 && !request.params[3].isNull()) {
|
||||
RPCTypeCheckArgument(request.params[3], UniValue::VBOOL);
|
||||
include_unsafe = request.params[3].get_bool();
|
||||
}
|
||||
|
||||
UniValue results(UniValue::VARR);
|
||||
vector<COutput> vecOutputs;
|
||||
assert(pwalletMain != NULL);
|
||||
LOCK2(cs_main, pwalletMain->cs_wallet);
|
||||
pwalletMain->AvailableCoins(vecOutputs, false, NULL, true);
|
||||
pwalletMain->AvailableCoins(vecOutputs, !include_unsafe, NULL, true);
|
||||
BOOST_FOREACH(const COutput& out, vecOutputs) {
|
||||
if (out.nDepth < nMinDepth || out.nDepth > nMaxDepth)
|
||||
continue;
|
||||
|
|
@ -2619,6 +2634,261 @@ UniValue fundrawtransaction(const JSONRPCRequest& request)
|
|||
return result;
|
||||
}
|
||||
|
||||
UniValue bumpfee(const JSONRPCRequest& request)
|
||||
{
|
||||
if (!EnsureWalletIsAvailable(request.fHelp)) {
|
||||
return NullUniValue;
|
||||
}
|
||||
|
||||
if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) {
|
||||
throw runtime_error(
|
||||
"bumpfee \"txid\" ( options ) \n"
|
||||
"\nBumps the fee of an opt-in-RBF transaction T, replacing it with a new transaction B.\n"
|
||||
"An opt-in RBF transaction with the given txid must be in the wallet.\n"
|
||||
"The command will pay the additional fee by decreasing (or perhaps removing) its change output.\n"
|
||||
"If the change output is not big enough to cover the increased fee, the command will currently fail\n"
|
||||
"instead of adding new inputs to compensate. (A future implementation could improve this.)\n"
|
||||
"The command will fail if the wallet or mempool contains a transaction that spends one of T's outputs.\n"
|
||||
"By default, the new fee will be calculated automatically using estimatefee.\n"
|
||||
"The user can specify a confirmation target for estimatefee.\n"
|
||||
"Alternatively, the user can specify totalFee, or use RPC setpaytxfee to set a higher fee rate.\n"
|
||||
"At a minimum, the new fee rate must be high enough to pay a new relay fee (relay fee amount returned\n"
|
||||
"by getnetworkinfo RPC) and to enter the node's mempool.\n"
|
||||
"\nArguments:\n"
|
||||
"1. txid (string, required) The txid to be bumped\n"
|
||||
"2. options (object, optional)\n"
|
||||
" {\n"
|
||||
" \"confTarget\" (numeric, optional) Confirmation target (in blocks)\n"
|
||||
" \"totalFee\" (numeric, optional) Total fee (NOT feerate) to pay, in satoshis.\n"
|
||||
" In rare cases, the actual fee paid might be slightly higher than the specified\n"
|
||||
" totalFee if the tx change output has to be removed because it is too close to\n"
|
||||
" the dust threshold.\n"
|
||||
" \"replaceable\" (boolean, optional, default true) Whether the new transaction should still be\n"
|
||||
" marked bip-125 replaceable. If true, the sequence numbers in the transaction will\n"
|
||||
" be left unchanged from the original. If false, any input sequence numbers in the\n"
|
||||
" original transaction that were less than 0xfffffffe will be increased to 0xfffffffe\n"
|
||||
" so the new transaction will not be explicitly bip-125 replaceable (though it may\n"
|
||||
" still be replacable in practice, for example if it has unconfirmed ancestors which\n"
|
||||
" are replaceable).\n"
|
||||
" }\n"
|
||||
"\nResult:\n"
|
||||
"{\n"
|
||||
" \"txid\": \"value\", (string) The id of the new transaction\n"
|
||||
" \"oldfee\": n, (numeric) Fee of the replaced transaction\n"
|
||||
" \"fee\": n, (numeric) Fee of the new transaction\n"
|
||||
"}\n"
|
||||
"\nExamples:\n"
|
||||
"\nBump the fee, get the new transaction\'s txid\n" +
|
||||
HelpExampleCli("bumpfee", "<txid>"));
|
||||
}
|
||||
|
||||
RPCTypeCheck(request.params, boost::assign::list_of(UniValue::VSTR)(UniValue::VOBJ));
|
||||
uint256 hash;
|
||||
hash.SetHex(request.params[0].get_str());
|
||||
|
||||
// retrieve the original tx from the wallet
|
||||
LOCK2(cs_main, pwalletMain->cs_wallet);
|
||||
EnsureWalletIsUnlocked();
|
||||
if (!pwalletMain->mapWallet.count(hash)) {
|
||||
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id");
|
||||
}
|
||||
CWalletTx& wtx = pwalletMain->mapWallet[hash];
|
||||
|
||||
if (pwalletMain->HasWalletSpend(hash)) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, "Transaction has descendants in the wallet");
|
||||
}
|
||||
|
||||
{
|
||||
LOCK(mempool.cs);
|
||||
auto it = mempool.mapTx.find(hash);
|
||||
if (it != mempool.mapTx.end() && it->GetCountWithDescendants() > 1) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, "Transaction has descendants in the mempool");
|
||||
}
|
||||
}
|
||||
|
||||
if (wtx.GetDepthInMainChain() != 0) {
|
||||
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction has been mined, or is conflicted with a mined transaction");
|
||||
}
|
||||
|
||||
if (!SignalsOptInRBF(wtx)) {
|
||||
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction is not BIP 125 replaceable");
|
||||
}
|
||||
|
||||
if (wtx.mapValue.count("replaced_by_txid")) {
|
||||
throw JSONRPCError(RPC_INVALID_REQUEST, strprintf("Cannot bump transaction %s which was already bumped by transaction %s", hash.ToString(), wtx.mapValue.at("replaced_by_txid")));
|
||||
}
|
||||
|
||||
// check that original tx consists entirely of our inputs
|
||||
// if not, we can't bump the fee, because the wallet has no way of knowing the value of the other inputs (thus the fee)
|
||||
if (!pwalletMain->IsAllFromMe(wtx, ISMINE_SPENDABLE)) {
|
||||
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction contains inputs that don't belong to this wallet");
|
||||
}
|
||||
|
||||
// figure out which output was change
|
||||
// if there was no change output or multiple change outputs, fail
|
||||
int nOutput = -1;
|
||||
for (size_t i = 0; i < wtx.tx->vout.size(); ++i) {
|
||||
if (pwalletMain->IsChange(wtx.tx->vout[i])) {
|
||||
if (nOutput != -1) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, "Transaction has multiple change outputs");
|
||||
}
|
||||
nOutput = i;
|
||||
}
|
||||
}
|
||||
if (nOutput == -1) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, "Transaction does not have a change output");
|
||||
}
|
||||
|
||||
// optional parameters
|
||||
bool specifiedConfirmTarget = false;
|
||||
int newConfirmTarget = nTxConfirmTarget;
|
||||
CAmount totalFee = 0;
|
||||
bool replaceable = true;
|
||||
if (request.params.size() > 1) {
|
||||
UniValue options = request.params[1];
|
||||
RPCTypeCheckObj(options,
|
||||
{
|
||||
{"confTarget", UniValueType(UniValue::VNUM)},
|
||||
{"totalFee", UniValueType(UniValue::VNUM)},
|
||||
{"replaceable", UniValueType(UniValue::VBOOL)},
|
||||
},
|
||||
true, true);
|
||||
|
||||
if (options.exists("confTarget") && options.exists("totalFee")) {
|
||||
throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and totalFee options should not both be set. Please provide either a confirmation target for fee estimation or an explicit total fee for the transaction.");
|
||||
} else if (options.exists("confTarget")) {
|
||||
specifiedConfirmTarget = true;
|
||||
newConfirmTarget = options["confTarget"].get_int();
|
||||
if (newConfirmTarget <= 0) { // upper-bound will be checked by estimatefee/smartfee
|
||||
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid confTarget (cannot be <= 0)");
|
||||
}
|
||||
} else if (options.exists("totalFee")) {
|
||||
totalFee = options["totalFee"].get_int64();
|
||||
if (totalFee <= 0) {
|
||||
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid totalFee (cannot be <= 0)");
|
||||
} else if (totalFee > maxTxFee) {
|
||||
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid totalFee (cannot be higher than maxTxFee)");
|
||||
}
|
||||
}
|
||||
|
||||
if (options.exists("replaceable")) {
|
||||
replaceable = options["replaceable"].get_bool();
|
||||
}
|
||||
}
|
||||
|
||||
// signature sizes can vary by a byte, so add 1 for each input when calculating the new fee
|
||||
int64_t txSize = GetVirtualTransactionSize(*(wtx.tx));
|
||||
const int64_t maxNewTxSize = txSize + wtx.tx->vin.size();
|
||||
|
||||
// calculate the old fee and fee-rate
|
||||
CAmount nOldFee = wtx.GetDebit(ISMINE_SPENDABLE) - wtx.tx->GetValueOut();
|
||||
CFeeRate nOldFeeRate(nOldFee, txSize);
|
||||
CAmount nNewFee;
|
||||
CFeeRate nNewFeeRate;
|
||||
|
||||
if (totalFee > 0) {
|
||||
CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + minRelayTxFee.GetFee(maxNewTxSize);
|
||||
if (totalFee < minTotalFee) {
|
||||
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid totalFee, must be at least %s (oldFee %s + relayFee %s)", FormatMoney(minTotalFee), nOldFeeRate.GetFee(maxNewTxSize), minRelayTxFee.GetFee(maxNewTxSize)));
|
||||
}
|
||||
nNewFee = totalFee;
|
||||
nNewFeeRate = CFeeRate(totalFee, maxNewTxSize);
|
||||
} else {
|
||||
// use the user-defined payTxFee if possible, otherwise use smartfee / fallbackfee
|
||||
if (!specifiedConfirmTarget && payTxFee.GetFeePerK() != 0) {
|
||||
nNewFeeRate = payTxFee;
|
||||
} else {
|
||||
nNewFeeRate = mempool.estimateSmartFee(newConfirmTarget);
|
||||
}
|
||||
if (nNewFeeRate.GetFeePerK() == 0) {
|
||||
nNewFeeRate = CWallet::fallbackFee;
|
||||
}
|
||||
|
||||
// new fee rate must be at least old rate + minimum relay rate
|
||||
if (nNewFeeRate.GetFeePerK() < nOldFeeRate.GetFeePerK() + ::minRelayTxFee.GetFeePerK()) {
|
||||
nNewFeeRate = CFeeRate(nOldFeeRate.GetFeePerK() + ::minRelayTxFee.GetFeePerK());
|
||||
}
|
||||
|
||||
nNewFee = nNewFeeRate.GetFee(maxNewTxSize);
|
||||
}
|
||||
|
||||
// check that fee rate is higher than mempool's minimum fee
|
||||
// (no point in bumping fee if we know that the new tx won't be accepted to the mempool)
|
||||
// This may occur if the user set TotalFee or paytxfee too low, if fallbackfee is too low, or, perhaps,
|
||||
// in a rare situation where the mempool minimum fee increased significantly since the fee estimation just a
|
||||
// moment earlier. In this case, we report an error to the user, who may use totalFee to make an adjustment.
|
||||
CFeeRate minMempoolFeeRate = mempool.GetMinFee(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
|
||||
if (nNewFeeRate.GetFeePerK() < minMempoolFeeRate.GetFeePerK()) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, strprintf("New fee rate (%s) is less than the minimum fee rate (%s) to get into the mempool. totalFee value should to be at least %s or settxfee value should be at least %s to add transaction.", FormatMoney(nNewFeeRate.GetFeePerK()), FormatMoney(minMempoolFeeRate.GetFeePerK()), FormatMoney(minMempoolFeeRate.GetFee(maxNewTxSize)), FormatMoney(minMempoolFeeRate.GetFeePerK())));
|
||||
}
|
||||
|
||||
// Now modify the output to increase the fee.
|
||||
// If the output is not large enough to pay the fee, fail.
|
||||
CAmount nDelta = nNewFee - nOldFee;
|
||||
assert(nDelta > 0);
|
||||
CMutableTransaction tx(*(wtx.tx));
|
||||
CTxOut* poutput = &(tx.vout[nOutput]);
|
||||
if (poutput->nValue < nDelta) {
|
||||
throw JSONRPCError(RPC_MISC_ERROR, "Change output is too small to bump the fee");
|
||||
}
|
||||
|
||||
// If the output would become dust, discard it (converting the dust to fee)
|
||||
poutput->nValue -= nDelta;
|
||||
if (poutput->nValue <= poutput->GetDustThreshold(::minRelayTxFee)) {
|
||||
LogPrint("rpc", "Bumping fee and discarding dust output\n");
|
||||
nNewFee += poutput->nValue;
|
||||
tx.vout.erase(tx.vout.begin() + nOutput);
|
||||
}
|
||||
|
||||
// Mark new tx not replaceable, if requested.
|
||||
if (!replaceable) {
|
||||
for (auto& input : tx.vin) {
|
||||
if (input.nSequence < 0xfffffffe) input.nSequence = 0xfffffffe;
|
||||
}
|
||||
}
|
||||
|
||||
// sign the new tx
|
||||
CTransaction txNewConst(tx);
|
||||
int nIn = 0;
|
||||
for (auto& input : tx.vin) {
|
||||
std::map<uint256, CWalletTx>::const_iterator mi = pwalletMain->mapWallet.find(input.prevout.hash);
|
||||
assert(mi != pwalletMain->mapWallet.end() && input.prevout.n < mi->second.tx->vout.size());
|
||||
const CScript& scriptPubKey = mi->second.tx->vout[input.prevout.n].scriptPubKey;
|
||||
const CAmount& amount = mi->second.tx->vout[input.prevout.n].nValue;
|
||||
SignatureData sigdata;
|
||||
if (!ProduceSignature(TransactionSignatureCreator(pwalletMain, &txNewConst, nIn, amount, SIGHASH_ALL), scriptPubKey, sigdata)) {
|
||||
throw JSONRPCError(RPC_WALLET_ERROR, "Can't sign transaction.");
|
||||
}
|
||||
UpdateTransaction(tx, nIn, sigdata);
|
||||
nIn++;
|
||||
}
|
||||
|
||||
// commit/broadcast the tx
|
||||
CReserveKey reservekey(pwalletMain);
|
||||
CWalletTx wtxBumped(pwalletMain, MakeTransactionRef(std::move(tx)));
|
||||
wtxBumped.mapValue["replaces_txid"] = hash.ToString();
|
||||
CValidationState state;
|
||||
if (!pwalletMain->CommitTransaction(wtxBumped, reservekey, g_connman.get(), state) || !state.IsValid()) {
|
||||
throw JSONRPCError(RPC_WALLET_ERROR, strprintf("Error: The transaction was rejected! Reason given: %s", state.GetRejectReason()));
|
||||
}
|
||||
|
||||
// mark the original tx as bumped
|
||||
if (!pwalletMain->MarkReplaced(wtx.GetHash(), wtxBumped.GetHash())) {
|
||||
// TODO: see if JSON-RPC has a standard way of returning a response
|
||||
// along with an exception. It would be good to return information about
|
||||
// wtxBumped to the caller even if marking the original transaction
|
||||
// replaced does not succeed for some reason.
|
||||
throw JSONRPCError(RPC_WALLET_ERROR, "Error: Created new bumpfee transaction but could not mark the original transaction as replaced.");
|
||||
}
|
||||
|
||||
UniValue result(UniValue::VOBJ);
|
||||
result.push_back(Pair("txid", wtxBumped.GetHash().GetHex()));
|
||||
result.push_back(Pair("oldfee", ValueFromAmount(nOldFee)));
|
||||
result.push_back(Pair("fee", ValueFromAmount(nNewFee)));
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
extern UniValue dumpprivkey(const JSONRPCRequest& request); // in rpcdump.cpp
|
||||
extern UniValue importprivkey(const JSONRPCRequest& request);
|
||||
extern UniValue importaddress(const JSONRPCRequest& request);
|
||||
|
|
@ -2638,6 +2908,7 @@ static const CRPCCommand commands[] =
|
|||
{ "wallet", "addmultisigaddress", &addmultisigaddress, true, {"nrequired","keys","account"} },
|
||||
{ "wallet", "addwitnessaddress", &addwitnessaddress, true, {"address"} },
|
||||
{ "wallet", "backupwallet", &backupwallet, true, {"destination"} },
|
||||
{ "wallet", "bumpfee", &bumpfee, true, {"txid", "options"} },
|
||||
{ "wallet", "dumpprivkey", &dumpprivkey, true, {"address"} },
|
||||
{ "wallet", "dumpwallet", &dumpwallet, true, {"filename"} },
|
||||
{ "wallet", "encryptwallet", &encryptwallet, true, {"passphrase"} },
|
||||
|
|
@ -2666,7 +2937,7 @@ static const CRPCCommand commands[] =
|
|||
{ "wallet", "listreceivedbyaddress", &listreceivedbyaddress, false, {"minconf","include_empty","include_watchonly"} },
|
||||
{ "wallet", "listsinceblock", &listsinceblock, false, {"blockhash","target_confirmations","include_watchonly"} },
|
||||
{ "wallet", "listtransactions", &listtransactions, false, {"account","count","skip","include_watchonly"} },
|
||||
{ "wallet", "listunspent", &listunspent, false, {"minconf","maxconf","addresses"} },
|
||||
{ "wallet", "listunspent", &listunspent, false, {"minconf","maxconf","addresses","include_unsafe"} },
|
||||
{ "wallet", "lockunspent", &lockunspent, true, {"unlock","transactions"} },
|
||||
{ "wallet", "move", &movecmd, false, {"fromaccount","toaccount","amount","minconf","comment"} },
|
||||
{ "wallet", "sendfrom", &sendfrom, false, {"fromaccount","toaddress","amount","minconf","comment","comment_to"} },
|
||||
|
|
|
|||
|
|
@ -411,6 +411,13 @@ set<uint256> CWallet::GetConflicts(const uint256& txid) const
|
|||
return result;
|
||||
}
|
||||
|
||||
bool CWallet::HasWalletSpend(const uint256& txid) const
|
||||
{
|
||||
AssertLockHeld(cs_wallet);
|
||||
auto iter = mapTxSpends.lower_bound(COutPoint(txid, 0));
|
||||
return (iter != mapTxSpends.end() && iter->first.hash == txid);
|
||||
}
|
||||
|
||||
void CWallet::Flush(bool shutdown)
|
||||
{
|
||||
bitdb.Flush(shutdown);
|
||||
|
|
@ -826,6 +833,35 @@ void CWallet::MarkDirty()
|
|||
}
|
||||
}
|
||||
|
||||
bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
|
||||
{
|
||||
LOCK(cs_wallet);
|
||||
|
||||
auto mi = mapWallet.find(originalHash);
|
||||
|
||||
// There is a bug if MarkReplaced is not called on an existing wallet transaction.
|
||||
assert(mi != mapWallet.end());
|
||||
|
||||
CWalletTx& wtx = (*mi).second;
|
||||
|
||||
// Ensure for now that we're not overwriting data
|
||||
assert(wtx.mapValue.count("replaced_by_txid") == 0);
|
||||
|
||||
wtx.mapValue["replaced_by_txid"] = newHash.ToString();
|
||||
|
||||
CWalletDB walletdb(strWalletFile, "r+");
|
||||
|
||||
bool success = true;
|
||||
if (!walletdb.WriteTx(wtx)) {
|
||||
LogPrintf("%s: Updating walletdb tx %s failed", __func__, wtx.GetHash().ToString());
|
||||
success = false;
|
||||
}
|
||||
|
||||
NotifyTransactionChanged(this, originalHash, CT_UPDATED);
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
|
||||
{
|
||||
LOCK(cs_wallet);
|
||||
|
|
@ -1154,6 +1190,8 @@ isminetype CWallet::IsMine(const CTxIn &txin) const
|
|||
return ISMINE_NO;
|
||||
}
|
||||
|
||||
// Note that this function doesn't distinguish between a 0-valued input,
|
||||
// and a not-"is mine" (according to the filter) input.
|
||||
CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
|
||||
{
|
||||
{
|
||||
|
|
@ -1236,6 +1274,27 @@ CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) co
|
|||
return nDebit;
|
||||
}
|
||||
|
||||
bool CWallet::IsAllFromMe(const CTransaction& tx, const isminefilter& filter) const
|
||||
{
|
||||
LOCK(cs_wallet);
|
||||
|
||||
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
||||
{
|
||||
auto mi = mapWallet.find(txin.prevout.hash);
|
||||
if (mi == mapWallet.end())
|
||||
return false; // any unknown inputs can't be from us
|
||||
|
||||
const CWalletTx& prev = (*mi).second;
|
||||
|
||||
if (txin.prevout.n >= prev.tx->vout.size())
|
||||
return false; // invalid input!
|
||||
|
||||
if (!(IsMine(prev.tx->vout[txin.prevout.n]) & filter))
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
|
||||
{
|
||||
CAmount nCredit = 0;
|
||||
|
|
@ -1958,6 +2017,37 @@ void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const
|
|||
if (nDepth == 0 && !pcoin->InMempool())
|
||||
continue;
|
||||
|
||||
// We should not consider coins from transactions that are replacing
|
||||
// other transactions.
|
||||
//
|
||||
// Example: There is a transaction A which is replaced by bumpfee
|
||||
// transaction B. In this case, we want to prevent creation of
|
||||
// a transaction B' which spends an output of B.
|
||||
//
|
||||
// Reason: If transaction A were initially confirmed, transactions B
|
||||
// and B' would no longer be valid, so the user would have to create
|
||||
// a new transaction C to replace B'. However, in the case of a
|
||||
// one-block reorg, transactions B' and C might BOTH be accepted,
|
||||
// when the user only wanted one of them. Specifically, there could
|
||||
// be a 1-block reorg away from the chain where transactions A and C
|
||||
// were accepted to another chain where B, B', and C were all
|
||||
// accepted.
|
||||
if (nDepth == 0 && fOnlyConfirmed && pcoin->mapValue.count("replaces_txid")) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Similarly, we should not consider coins from transactions that
|
||||
// have been replaced. In the example above, we would want to prevent
|
||||
// creation of a transaction A' spending an output of A, because if
|
||||
// transaction B were initially confirmed, conflicting with A and
|
||||
// A', we wouldn't want to the user to create a transaction D
|
||||
// intending to replace A', but potentially resulting in a scenario
|
||||
// where A, A', and D could all be accepted (instead of just B and
|
||||
// D, or just A and A' like the user would want).
|
||||
if (nDepth == 0 && fOnlyConfirmed && pcoin->mapValue.count("replaced_by_txid")) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) {
|
||||
isminetype mine = IsMine(pcoin->tx->vout[i]);
|
||||
if (!(IsSpent(wtxid, i)) && mine != ISMINE_NO &&
|
||||
|
|
|
|||
|
|
@ -825,6 +825,10 @@ public:
|
|||
std::set<CTxDestination> GetAccountAddresses(const std::string& strAccount) const;
|
||||
|
||||
isminetype IsMine(const CTxIn& txin) const;
|
||||
/**
|
||||
* Returns amount of debit if the input matches the
|
||||
* filter, otherwise returns 0
|
||||
*/
|
||||
CAmount GetDebit(const CTxIn& txin, const isminefilter& filter) const;
|
||||
isminetype IsMine(const CTxOut& txout) const;
|
||||
CAmount GetCredit(const CTxOut& txout, const isminefilter& filter) const;
|
||||
|
|
@ -834,6 +838,8 @@ public:
|
|||
/** should probably be renamed to IsRelevantToMe */
|
||||
bool IsFromMe(const CTransaction& tx) const;
|
||||
CAmount GetDebit(const CTransaction& tx, const isminefilter& filter) const;
|
||||
/** Returns whether all of the inputs match the filter */
|
||||
bool IsAllFromMe(const CTransaction& tx, const isminefilter& filter) const;
|
||||
CAmount GetCredit(const CTransaction& tx, const isminefilter& filter) const;
|
||||
CAmount GetChange(const CTransaction& tx) const;
|
||||
void SetBestChain(const CBlockLocator& loc);
|
||||
|
|
@ -885,6 +891,9 @@ public:
|
|||
//! Get wallet transactions that conflict with given transaction (spend same outputs)
|
||||
std::set<uint256> GetConflicts(const uint256& txid) const;
|
||||
|
||||
//! Check if a given transaction has any of its outputs spent by another transaction in the wallet
|
||||
bool HasWalletSpend(const uint256& txid) const;
|
||||
|
||||
//! Flush wallet (bitdb flush)
|
||||
void Flush(bool shutdown=false);
|
||||
|
||||
|
|
@ -921,6 +930,9 @@ public:
|
|||
/* Mark a transaction (and it in-wallet descendants) as abandoned so its inputs may be respent. */
|
||||
bool AbandonTransaction(const uint256& hashTx);
|
||||
|
||||
/** Mark a transaction as replaced by another transaction (e.g., BIP 125). */
|
||||
bool MarkReplaced(const uint256& originalHash, const uint256& newHash);
|
||||
|
||||
/* Returns the wallets help message */
|
||||
static std::string GetWalletHelpString(bool showDebug);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue