#!/usr/bin/env python3 # Copyright (c) 2020 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test the send RPC command.""" from decimal import Decimal, getcontext from test_framework.authproxy import JSONRPCException from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, assert_fee_amount, assert_greater_than, assert_raises_rpc_error ) class WalletSendTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 2 # whitelist all peers to speed up tx relay / mempool sync self.extra_args = [ ["-whitelist=127.0.0.1","-walletrbf=1"], ["-whitelist=127.0.0.1","-walletrbf=1"], ] getcontext().prec = 8 # Satoshi precision for Decimal def skip_test_if_missing_module(self): self.skip_if_no_wallet() def test_send(self, from_wallet, to_wallet=None, amount=None, data=None, arg_conf_target=None, arg_estimate_mode=None, conf_target=None, estimate_mode=None, add_to_wallet=None, psbt=None, inputs=None, add_inputs=None, change_address=None, change_position=None, change_type=None, include_watching=None, locktime=None, lock_unspents=None, replaceable=None, subtract_fee_from_outputs=None, expect_error=None): assert (amount is None) != (data is None) from_balance_before = from_wallet.getbalance() if to_wallet is None: assert amount is None else: to_untrusted_pending_before = to_wallet.getbalances()["mine"]["untrusted_pending"] if amount: dest = to_wallet.getnewaddress() outputs = {dest: amount} else: outputs = {"data": data} # Construct options dictionary options = {} if add_to_wallet is not None: options["add_to_wallet"] = add_to_wallet else: if psbt: add_to_wallet = False else: add_to_wallet = from_wallet.getwalletinfo()["private_keys_enabled"] # Default value if psbt is not None: options["psbt"] = psbt if conf_target is not None: options["conf_target"] = conf_target if estimate_mode is not None: options["estimate_mode"] = estimate_mode if inputs is not None: options["inputs"] = inputs if add_inputs is not None: options["add_inputs"] = add_inputs if change_address is not None: options["change_address"] = change_address if change_position is not None: options["change_position"] = change_position if change_type is not None: options["change_type"] = change_type if include_watching is not None: options["include_watching"] = include_watching if locktime is not None: options["locktime"] = locktime if lock_unspents is not None: options["lock_unspents"] = lock_unspents if replaceable is None: replaceable = True # default else: options["replaceable"] = replaceable if subtract_fee_from_outputs is not None: options["subtract_fee_from_outputs"] = subtract_fee_from_outputs if len(options.keys()) == 0: options = None if expect_error is None: res = from_wallet.send(outputs=outputs, conf_target=arg_conf_target, estimate_mode=arg_estimate_mode, options=options) else: try: assert_raises_rpc_error(expect_error[0], expect_error[1], from_wallet.send, outputs=outputs, conf_target=arg_conf_target, estimate_mode=arg_estimate_mode, options=options) except AssertionError: # Provide debug info if the test fails self.log.error("Unexpected successful result:") self.log.error(options) res = from_wallet.send(outputs=outputs, conf_target=arg_conf_target, estimate_mode=arg_estimate_mode, options=options) self.log.error(res) if "txid" in res and add_to_wallet: self.log.error("Transaction details:") try: tx = from_wallet.gettransaction(res["txid"]) self.log.error(tx) self.log.error("testmempoolaccept (transaction may already be in mempool):") self.log.error(from_wallet.testmempoolaccept([tx["hex"]])) except JSONRPCException as exc: self.log.error(exc) raise return if locktime: return res if from_wallet.getwalletinfo()["private_keys_enabled"] and not include_watching: assert_equal(res["complete"], True) assert "txid" in res else: assert_equal(res["complete"], False) assert not "txid" in res assert "psbt" in res if add_to_wallet and not include_watching: # Ensure transaction exists in the wallet: tx = from_wallet.gettransaction(res["txid"]) assert tx assert_equal(tx["bip125-replaceable"], "yes" if replaceable else "no") # Ensure transaction exists in the mempool: tx = from_wallet.getrawtransaction(res["txid"], True) assert tx if amount: if subtract_fee_from_outputs: assert_equal(from_balance_before - from_wallet.getbalance(), amount) else: assert_greater_than(from_balance_before - from_wallet.getbalance(), amount) else: assert next((out for out in tx["vout"] if out["scriptPubKey"]["asm"] == "OP_RETURN 35"), None) else: assert_equal(from_balance_before, from_wallet.getbalance()) if to_wallet: self.sync_mempools() if add_to_wallet: if not subtract_fee_from_outputs: assert_equal(to_wallet.getbalances()["mine"]["untrusted_pending"], to_untrusted_pending_before + Decimal(amount if amount else 0)) else: assert_equal(to_wallet.getbalances()["mine"]["untrusted_pending"], to_untrusted_pending_before) return res def run_test(self): self.log.info("Setup wallets...") # w0 is a wallet with coinbase rewards w0 = self.nodes[0].get_wallet_rpc(self.default_wallet_name) # w1 is a regular wallet self.nodes[1].createwallet(wallet_name="w1") w1 = self.nodes[1].get_wallet_rpc("w1") # w2 contains the private keys for w3 self.nodes[1].createwallet(wallet_name="w2") w2 = self.nodes[1].get_wallet_rpc("w2") # w3 is a watch-only wallet, based on w2 self.nodes[1].createwallet(wallet_name="w3", disable_private_keys=True) w3 = self.nodes[1].get_wallet_rpc("w3") for _ in range(3): a2_receive = w2.getnewaddress() a2_change = w2.getrawchangeaddress() # doesn't actually use change derivation res = w3.importmulti([{ "desc": w2.getaddressinfo(a2_receive)["desc"], "timestamp": "now", "keypool": True, "watchonly": True },{ "desc": w2.getaddressinfo(a2_change)["desc"], "timestamp": "now", "keypool": True, "internal": True, "watchonly": True }]) assert_equal(res, [{"success": True}, {"success": True}]) w0.sendtoaddress(a2_receive, 10) # fund w3 self.nodes[0].generate(1) self.sync_blocks() # w4 has private keys enabled, but only contains watch-only keys (from w2) self.nodes[1].createwallet(wallet_name="w4", disable_private_keys=False) w4 = self.nodes[1].get_wallet_rpc("w4") for _ in range(3): a2_receive = w2.getnewaddress() res = w4.importmulti([{ "desc": w2.getaddressinfo(a2_receive)["desc"], "timestamp": "now", "keypool": False, "watchonly": True }]) assert_equal(res, [{"success": True}]) w0.sendtoaddress(a2_receive, 10) # fund w4 self.nodes[0].generate(1) self.sync_blocks() self.log.info("Send to address...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True) self.log.info("Don't broadcast...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False) assert(res["hex"]) self.log.info("Return PSBT...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, psbt=True) assert(res["psbt"]) self.log.info("Create transaction that spends to address, but don't broadcast...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False) # conf_target & estimate_mode can be set as argument or option res1 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=1, arg_estimate_mode="economical", add_to_wallet=False) res2 = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=1, estimate_mode="economical", add_to_wallet=False) assert_equal(self.nodes[1].decodepsbt(res1["psbt"])["fee"], self.nodes[1].decodepsbt(res2["psbt"])["fee"]) # but not at the same time self.test_send(from_wallet=w0, to_wallet=w1, amount=1, arg_conf_target=1, arg_estimate_mode="economical", conf_target=1, estimate_mode="economical", add_to_wallet=False, expect_error=(-8,"Use either conf_target and estimate_mode or the options dictionary to control fee rate")) self.log.info("Create PSBT from watch-only wallet w3, sign with w2...") res = self.test_send(from_wallet=w3, to_wallet=w1, amount=1) res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] self.log.info("Create PSBT from wallet w4 with watch-only keys, sign with w2...") self.test_send(from_wallet=w4, to_wallet=w1, amount=1, expect_error=(-4, "Insufficient funds")) res = self.test_send(from_wallet=w4, to_wallet=w1, amount=1, include_watching=True, add_to_wallet=False) res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] self.log.info("Create OP_RETURN...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1) self.test_send(from_wallet=w0, data="Hello World", expect_error=(-8, "Data must be hexadecimal string (not 'Hello World')")) self.test_send(from_wallet=w0, data="23") res = self.test_send(from_wallet=w3, data="23") res = w2.walletprocesspsbt(res["psbt"]) assert res["complete"] self.log.info("Set fee rate...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=2, estimate_mode="sat/b", add_to_wallet=False) fee = self.nodes[1].decodepsbt(res["psbt"])["fee"] assert_fee_amount(fee, Decimal(len(res["hex"]) / 2), Decimal("0.00002")) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=-1, estimate_mode="sat/b", expect_error=(-3, "Amount out of range")) # Fee rate of 0.1 satoshi per byte should throw an error # TODO: error should use sat/b self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.1, estimate_mode="sat/b", expect_error=(-4, "Fee rate (0.00000100 BTC/kB) is lower than the minimum fee rate setting (0.00001000 BTC/kB)")) self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.000001, estimate_mode="BTC/KB", expect_error=(-4, "Fee rate (0.00000100 BTC/kB) is lower than the minimum fee rate setting (0.00001000 BTC/kB)")) # TODO: Return hex if fee rate is below -maxmempool # res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, conf_target=0.1, estimate_mode="sat/b", add_to_wallet=False) # assert res["hex"] # hex = res["hex"] # res = self.nodes[0].testmempoolaccept([hex]) # assert not res[0]["allowed"] # assert_equal(res[0]["reject-reason"], "...") # low fee # assert_fee_amount(fee, Decimal(len(res["hex"]) / 2), Decimal("0.000001")) self.log.info("If inputs are specified, do not automatically add more...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[], add_to_wallet=False) assert res["complete"] utxo1 = w0.listunspent()[0] assert_equal(utxo1["amount"], 50) self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], expect_error=(-4, "Insufficient funds")) self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], add_inputs=False, expect_error=(-4, "Insufficient funds")) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=51, inputs=[utxo1], add_inputs=True, add_to_wallet=False) assert res["complete"] self.log.info("Manual change address and position...") self.test_send(from_wallet=w0, to_wallet=w1, amount=1, change_address="not an address", expect_error=(-5, "Change address must be a valid bitcoin address")) change_address = w0.getnewaddress() self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_address=change_address) assert res["complete"] res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_address=change_address, change_position=0) assert res["complete"] assert_equal(self.nodes[0].decodepsbt(res["psbt"])["tx"]["vout"][0]["scriptPubKey"]["addresses"], [change_address]) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=False, change_type="legacy", change_position=0) assert res["complete"] change_address = self.nodes[0].decodepsbt(res["psbt"])["tx"]["vout"][0]["scriptPubKey"]["addresses"][0] assert change_address[0] == "m" or change_address[0] == "n" self.log.info("Set lock time...") height = self.nodes[0].getblockchaininfo()["blocks"] res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, locktime=height + 1) assert res["complete"] assert res["txid"] txid = res["txid"] # Although the wallet finishes the transaction, it can't be added to the mempool yet: hex = self.nodes[0].gettransaction(res["txid"])["hex"] res = self.nodes[0].testmempoolaccept([hex]) assert not res[0]["allowed"] assert_equal(res[0]["reject-reason"], "non-final") # It shouldn't be confirmed in the next block self.nodes[0].generate(1) assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 0) # The mempool should allow it now: res = self.nodes[0].testmempoolaccept([hex]) assert res[0]["allowed"] # Don't wait for wallet to add it to the mempool: res = self.nodes[0].sendrawtransaction(hex) self.nodes[0].generate(1) assert_equal(self.nodes[0].gettransaction(txid)["confirmations"], 1) self.sync_all() self.log.info("Lock unspents...") utxo1 = w0.listunspent()[0] assert_greater_than(utxo1["amount"], 1) res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, inputs=[utxo1], add_to_wallet=False, lock_unspents=True) assert res["complete"] locked_coins = w0.listlockunspent() assert_equal(len(locked_coins), 1) # Locked coins are automatically unlocked when manually selected res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, inputs=[utxo1], add_to_wallet=False) assert res["complete"] self.log.info("Replaceable...") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True, replaceable=True) assert res["complete"] assert_equal(self.nodes[0].gettransaction(res["txid"])["bip125-replaceable"], "yes") res = self.test_send(from_wallet=w0, to_wallet=w1, amount=1, add_to_wallet=True, replaceable=False) assert res["complete"] assert_equal(self.nodes[0].gettransaction(res["txid"])["bip125-replaceable"], "no") self.log.info("Subtract fee from output") self.test_send(from_wallet=w0, to_wallet=w1, amount=1, subtract_fee_from_outputs=[0]) if __name__ == '__main__': WalletSendTest().main()