tests: Add prefunded itx and xmr protocol tests

basicswap/basicswap.py

@@ -1194,16 +1194,22 @@ class BasicSwap(BaseApp):
         ensure(amount_to > ci_to.min_amount(), 'To amount below min value for chain')
         ensure(amount_to < ci_to.max_amount(), 'To amount above max value for chain')
 
-    def validateOfferLockValue(self, coin_from, coin_to, lock_type, lock_value):
+    def validateOfferLockValue(self, swap_type, coin_from, coin_to, lock_type, lock_value):
         coin_from_has_csv = self.coin_clients[coin_from]['use_csv']
         coin_to_has_csv = self.coin_clients[coin_to]['use_csv']
 
         if lock_type == OfferMessage.SEQUENCE_LOCK_TIME:
             ensure(lock_value >= self.min_sequence_lock_seconds and lock_value <= self.max_sequence_lock_seconds, 'Invalid lock_value time')
-            ensure(coin_from_has_csv and coin_to_has_csv, 'Both coins need CSV activated.')
+            if swap_type == SwapTypes.XMR_SWAP:
+                ensure(coin_from_has_csv, 'Coin from needs CSV activated.')
+            else:
+                ensure(coin_from_has_csv and coin_to_has_csv, 'Both coins need CSV activated.')
         elif lock_type == OfferMessage.SEQUENCE_LOCK_BLOCKS:
             ensure(lock_value >= 5 and lock_value <= 1000, 'Invalid lock_value blocks')
-            ensure(coin_from_has_csv and coin_to_has_csv, 'Both coins need CSV activated.')
+            if swap_type == SwapTypes.XMR_SWAP:
+                ensure(coin_from_has_csv, 'Coin from needs CSV activated.')
+            else:
+                ensure(coin_from_has_csv and coin_to_has_csv, 'Both coins need CSV activated.')
         elif lock_type == TxLockTypes.ABS_LOCK_TIME:
             # TODO: range?
             ensure(not coin_from_has_csv or not coin_to_has_csv, 'Should use CSV.')
@@ -1262,7 +1268,7 @@ class BasicSwap(BaseApp):
 
         self.validateSwapType(coin_from_t, coin_to_t, swap_type)
         self.validateOfferAmounts(coin_from_t, coin_to_t, amount, rate, min_bid_amount)
-        self.validateOfferLockValue(coin_from_t, coin_to_t, lock_type, lock_value)
+        self.validateOfferLockValue(swap_type, coin_from_t, coin_to_t, lock_type, lock_value)
         self.validateOfferValidTime(swap_type, coin_from_t, coin_to_t, valid_for_seconds)
 
         offer_addr_to = self.getOfferAddressTo(extra_options)
@@ -3916,7 +3922,7 @@ class BasicSwap(BaseApp):
 
         self.validateSwapType(coin_from, coin_to, offer_data.swap_type)
         self.validateOfferAmounts(coin_from, coin_to, offer_data.amount_from, offer_data.rate, offer_data.min_bid_amount)
-        self.validateOfferLockValue(coin_from, coin_to, offer_data.lock_type, offer_data.lock_value)
+        self.validateOfferLockValue(offer_data.swap_type, coin_from, coin_to, offer_data.lock_type, offer_data.lock_value)
         self.validateOfferValidTime(offer_data.swap_type, coin_from, coin_to, offer_data.time_valid)
 
         ensure(msg['sent'] + offer_data.time_valid >= now, 'Offer expired')

basicswap/chainparams.py

@@ -321,7 +321,7 @@ chainparams = {
             'rpcport': 28888,
             'pubkey_address': 65,
             'script_address': 178,
-            'key_prefix': 185,
+            'key_prefix': 239,
             'hrp': '',
             'bip44': 1,
             'min_amount': 1000,

basicswap/interface/btc.py

@@ -92,7 +92,7 @@ def findOutput(tx, script_pk: bytes):
     return None
 
 
-def find_vout_for_address_from_txobj(tx_obj, addr) -> int:
+def find_vout_for_address_from_txobj(tx_obj, addr: str) -> int:
     """
     Locate the vout index of the given transaction sending to the
     given address. Raises runtime error exception if not found.
@@ -1033,7 +1033,15 @@ class BTCInterface(CoinInterface):
         return None
         '''
 
+    def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
+        witness_bytes = 109
+        vsize = self.getTxVSize(tx, add_witness_bytes=witness_bytes)
+        pay_fee = int(fee_rate * vsize // 1000)
+        self._log.info(f'BLockSpendTx  fee_rate, vsize, fee: {fee_rate}, {vsize}, {pay_fee}.')
+        return pay_fee
+
     def spendBLockTx(self, chain_b_lock_txid: bytes, address_to: str, kbv: bytes, kbs: bytes, cb_swap_value: int, b_fee: int, restore_height: int) -> bytes:
+        self._log.info('spendBLockTx %s:\n', chain_b_lock_txid.hex())
         wtx = self.rpc_callback('gettransaction', [chain_b_lock_txid.hex(), ])
         lock_tx = self.loadTx(bytes.fromhex(wtx['hex']))
 
@@ -1054,12 +1062,8 @@ class BTCInterface(CoinInterface):
                             scriptSig=self.getScriptScriptSig(script_lock)))
         tx.vout.append(self.txoType()(cb_swap_value, self.getScriptForPubkeyHash(pkh_to)))
 
-        witness_bytes = 109
-        vsize = self.getTxVSize(tx, add_witness_bytes=witness_bytes)
-        pay_fee = int(b_fee * vsize // 1000)
+        pay_fee = self.getBLockSpendTxFee(tx, b_fee)
         tx.vout[0].nValue = cb_swap_value - pay_fee
-        self._log.info('spendBLockTx %s:\n    fee_rate, vsize, fee: %ld, %ld, %ld.',
-                       chain_b_lock_txid.hex(), b_fee, vsize, pay_fee)
 
         b_lock_spend_tx = tx.serialize()
         b_lock_spend_tx = self.signTxWithKey(b_lock_spend_tx, kbs)
@@ -1366,10 +1370,8 @@ class BTCInterface(CoinInterface):
         except Exception as ex:
             self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
             return None
-
         if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
             return {'txid': txid_hex, 'amount': 0, 'height': rv['blockheight']}
-
         return None
 
 

basicswap/interface/dash.py

@@ -9,6 +9,10 @@ from .btc import BTCInterface
 from basicswap.chainparams import Coins
 from basicswap.util.address import decodeAddress
 from mnemonic import Mnemonic
+from basicswap.contrib.test_framework.script import (
+    CScript,
+    OP_DUP, OP_HASH160, OP_EQUALVERIFY, OP_CHECKSIG
+)
 
 
 class DASHInterface(BTCInterface):
@@ -37,8 +41,32 @@ class DASHInterface(BTCInterface):
         return False
 
     def withdrawCoin(self, value, addr_to, subfee):
-        params = [addr_to, value, '', '', subfee]
+        params = [addr_to, value, '', '', subfee, False, False, self._conf_target]
         return self.rpc_callback('sendtoaddress', params)
 
     def getSpendableBalance(self):
         return self.make_int(self.rpc_callback('getwalletinfo')['balance'])
+
+    def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
+        # Return P2PKH
+        return CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG])
+
+    def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
+        add_bytes = 107
+        size = len(tx.serialize_with_witness()) + add_bytes
+        pay_fee = int(fee_rate * size // 1000)
+        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        return pay_fee
+
+    def findTxnByHash(self, txid_hex: str):
+        # Only works for wallet txns
+        try:
+            rv = self.rpc_callback('gettransaction', [txid_hex])
+        except Exception as ex:
+            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            return None
+        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+
+        return None

basicswap/interface/firo.py

@@ -151,7 +151,6 @@ class FIROInterface(BTCInterface):
 
     def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
         # Return P2PKH
-
         return CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG])
 
     def getScriptDest(self, script: bytearray) -> bytearray:
@@ -184,3 +183,27 @@ class FIROInterface(BTCInterface):
 
     def getSpendableBalance(self):
         return self.make_int(self.rpc_callback('getwalletinfo')['balance'])
+
+    def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
+        add_bytes = 107
+        size = len(tx.serialize_with_witness()) + add_bytes
+        pay_fee = int(fee_rate * size // 1000)
+        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        return pay_fee
+
+    def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
+        key_wif = self.encodeKey(key)
+        rv = self.rpc_callback('signrawtransaction', [tx.hex(), [], [key_wif, ]])
+        return bytes.fromhex(rv['hex'])
+
+    def findTxnByHash(self, txid_hex: str):
+        # Only works for wallet txns
+        try:
+            rv = self.rpc_callback('gettransaction', [txid_hex])
+        except Exception as ex:
+            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            return None
+        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        return None

basicswap/interface/pivx.py

@@ -15,6 +15,13 @@ from .contrib.pivx_test_framework.messages import (
     ToHex,
     FromHex,
     CTransaction)
+from basicswap.contrib.test_framework.script import (
+    CScript,
+    OP_DUP,
+    OP_HASH160,
+    OP_CHECKSIG,
+    OP_EQUALVERIFY,
+)
 
 
 class PIVXInterface(BTCInterface):
@@ -80,3 +87,31 @@ class PIVXInterface(BTCInterface):
         tx = CTransaction()
         tx.deserialize(BytesIO(tx_bytes))
         return tx
+
+    def getScriptForPubkeyHash(self, pkh: bytes) -> bytearray:
+        # Return P2PKH
+        return CScript([OP_DUP, OP_HASH160, pkh, OP_EQUALVERIFY, OP_CHECKSIG])
+
+    def getBLockSpendTxFee(self, tx, fee_rate: int) -> int:
+        add_bytes = 107
+        size = len(tx.serialize_with_witness()) + add_bytes
+        pay_fee = int(fee_rate * size // 1000)
+        self._log.info(f'BLockSpendTx  fee_rate, size, fee: {fee_rate}, {size}, {pay_fee}.')
+        return pay_fee
+
+    def signTxWithKey(self, tx: bytes, key: bytes) -> bytes:
+        key_wif = self.encodeKey(key)
+        rv = self.rpc_callback('signrawtransaction', [tx.hex(), [], [key_wif, ]])
+        return bytes.fromhex(rv['hex'])
+
+    def findTxnByHash(self, txid_hex: str):
+        # Only works for wallet txns
+        try:
+            rv = self.rpc_callback('gettransaction', [txid_hex])
+        except Exception as ex:
+            self._log.debug('findTxnByHash getrawtransaction failed: {}'.format(txid_hex))
+            return None
+        if 'confirmations' in rv and rv['confirmations'] >= self.blocks_confirmed:
+            block_height = self.getBlockHeader(rv['blockhash'])['height']
+            return {'txid': txid_hex, 'amount': 0, 'height': block_height}
+        return None

basicswap/protocols/__init__.py

@@ -7,6 +7,9 @@
 from basicswap.script import (
     OpCodes,
 )
+from basicswap.util.script import (
+    getP2WSH,
+)
 
 
 class ProtocolInterface:
@@ -22,3 +25,7 @@ class ProtocolInterface:
     def getMockScriptScriptPubkey(self, ci) -> bytearray:
         script = self.getMockScript()
         return ci.get_p2wsh_script_pubkey(script) if ci._use_segwit else ci.get_p2sh_script_pubkey(script)
+
+    def getMockAddrTo(self, ci):
+        script = self.getMockScript()
+        return ci.encode_p2wsh(getP2WSH(script)) if ci._use_segwit else ci.encode_p2sh(script)

basicswap/protocols/atomic_swap_1.py

@@ -10,9 +10,6 @@ from basicswap.db import (
 from basicswap.util import (
     SerialiseNum,
 )
-from basicswap.util.script import (
-    getP2WSH,
-)
 from basicswap.script import (
     OpCodes,
 )
@@ -77,8 +74,7 @@ class AtomicSwapInterface(ProtocolInterface):
     swap_type = SwapTypes.SELLER_FIRST
 
     def getFundedInitiateTxTemplate(self, ci, amount: int, sub_fee: bool) -> bytes:
-        script = self.getMockScript()
-        addr_to = ci.encode_p2wsh(getP2WSH(script)) if ci._use_segwit else ci.encode_p2sh(script)
+        addr_to = self.getMockAddrTo(ci)
         funded_tx = ci.createRawFundedTransaction(addr_to, amount, sub_fee, lock_unspents=False)
 
         return bytes.fromhex(funded_tx)

basicswap/protocols/xmr_swap_1.py

@@ -9,9 +9,6 @@ from sqlalchemy.orm import scoped_session
 from basicswap.util import (
     ensure,
 )
-from basicswap.util.script import (
-    getP2WSH,
-)
 from basicswap.chainparams import (
     Coins,
 )
@@ -104,8 +101,7 @@ class XmrSwapInterface(ProtocolInterface):
         return CScript([2, Kal_enc, Kaf_enc, 2, CScriptOp(OP_CHECKMULTISIG)])
 
     def getFundedInitiateTxTemplate(self, ci, amount: int, sub_fee: bool) -> bytes:
-        script = self.getMockScript()
-        addr_to = ci.encode_p2wsh(getP2WSH(script)) if ci._use_segwit else ci.encode_p2sh(script)
+        addr_to = self.getMockAddrTo(ci)
         funded_tx = ci.createRawFundedTransaction(addr_to, amount, sub_fee, lock_unspents=False)
 
         return bytes.fromhex(funded_tx)

doc/protocols/sequence_diagrams/notes.txt

@@ -0,0 +1,15 @@
+nvm use 14
+npm install -g mscgenjs-cli
+
+mscgenjs -T svg -i bidder.alt.xu -o bidder.alt.xu.svg
+mscgenjs -T svg -i offerer.alt.xu -o offerer.alt.xu.svg
+mscgenjs -T svg -i xmr.bidder.alt.xu -o xmr.bidder.alt.xu.svg
+mscgenjs -T svg -i xmr.offerer.alt.xu -o xmr.offerer.alt.xu.svg
+
+
+npm -g install svgo
+
+svgo --pretty bidder.alt.xu.svg -o bidder.alt.xu.min.svg
+svgo --pretty offerer.alt.xu.svg -o offerer.alt.xu.min.svg
+svgo --pretty xmr.bidder.alt.xu.svg -o xmr.bidder.alt.xu.min.svg
+svgo --pretty xmr.offerer.alt.xu.svg -o xmr.offerer.alt.xu.min.svg

tests/basicswap/extended/test_dash.py

@@ -25,9 +25,10 @@ import basicswap.config as cfg
 from basicswap.basicswap import (
     BasicSwap,
     Coins,
+    TxStates,
     SwapTypes,
     BidStates,
-    TxStates,
+    DebugTypes,
 )
 from basicswap.util import (
     COIN,
@@ -56,6 +57,8 @@ from tests.basicswap.common import (
     stopDaemons,
     wait_for_offer,
     wait_for_bid,
+    wait_for_balance,
+    wait_for_unspent,
     wait_for_bid_tx_state,
     wait_for_in_progress,
     TEST_HTTP_HOST,
@@ -192,7 +195,15 @@ def prepareDir(datadir, nodeId, network_key, network_pubkey):
         },
         'check_progress_seconds': 2,
         'check_watched_seconds': 4,
-        'check_expired_seconds': 60
+        'check_expired_seconds': 60,
+        'check_events_seconds': 1,
+        'check_xmr_swaps_seconds': 1,
+        'min_delay_event': 1,
+        'max_delay_event': 3,
+        'min_delay_event_short': 1,
+        'max_delay_event_short': 3,
+        'min_delay_retry': 2,
+        'max_delay_retry': 10
     }
     with open(settings_path, 'w') as fp:
         json.dump(settings, fp, indent=4)
@@ -305,8 +316,8 @@ class Test(unittest.TestCase):
                 rpc('rescanblockchain')
             else:
                 rpc('extkeyimportmaster', [rpc('mnemonic', ['new'])['master']])
-            rpc('walletsettings', ['stakingoptions', {'stakecombinethreshold': 100, 'stakesplitthreshold': 200}])
-            rpc('reservebalance', [False])
+            rpc('walletsettings', ['stakingoptions', json.dumps({'stakecombinethreshold': 100, 'stakesplitthreshold': 200}).replace('"', '\\"')])
+            rpc('reservebalance', ['false'])
 
             basicswap_dir = os.path.join(os.path.join(cfg.TEST_DATADIRS, str(i)), 'basicswap')
             settings_path = os.path.join(basicswap_dir, cfg.CONFIG_FILENAME)
@@ -564,6 +575,133 @@ class Test(unittest.TestCase):
         dashRpc('unloadwallet', wallet=new_wallet_name)
         assert (addr_test == addr)
 
+    def test_10_prefunded_itx(self):
+        logging.info('---------- Test prefunded itx offer')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.DASH
+        coin_to = Coins.BTC
+        swap_type = SwapTypes.SELLER_FIRST
+        ci_from = swap_clients[2].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+        tla_from = coin_from.name
+
+        # Prepare balance
+        js_w2 = read_json_api(1802, 'wallets')
+        if float(js_w2[tla_from]['balance']) < 100.0:
+            post_json = {
+                'value': 100,
+                'address': js_w2[tla_from]['deposit_address'],
+                'subfee': False,
+            }
+            json_rv = read_json_api(1800, 'wallets/{}/withdraw'.format(tla_from.lower()), post_json)
+            assert (len(json_rv['txid']) == 64)
+            wait_for_balance(delay_event, 'http://127.0.0.1:1802/json/wallets/{}'.format(tla_from.lower()), 'balance', 100.0)
+
+        js_w2 = read_json_api(1802, 'wallets')
+        assert (float(js_w2[tla_from]['balance']) >= 100.0)
+
+        js_w2 = read_json_api(1802, 'wallets')
+        post_json = {
+            'value': 100.0,
+            'address': read_json_api(1802, 'wallets/{}/nextdepositaddr'.format(tla_from.lower())),
+            'subfee': True,
+        }
+        json_rv = read_json_api(1802, 'wallets/{}/withdraw'.format(tla_from.lower()), post_json)
+        wait_for_balance(delay_event, 'http://127.0.0.1:1802/json/wallets/{}'.format(tla_from.lower()), 'balance', 10.0)
+        assert (len(json_rv['txid']) == 64)
+
+        # Create prefunded ITX
+        pi = swap_clients[2].pi(SwapTypes.XMR_SWAP)
+        js_w2 = read_json_api(1802, 'wallets')
+        swap_value = 100.0
+        if float(js_w2[tla_from]['balance']) < swap_value:
+            swap_value = js_w2[tla_from]['balance']
+        swap_value = ci_from.make_int(swap_value)
+        assert (swap_value > ci_from.make_int(95))
+
+        itx = pi.getFundedInitiateTxTemplate(ci_from, swap_value, True)
+        itx_decoded = ci_from.describeTx(itx.hex())
+        value_after_subfee = ci_from.make_int(itx_decoded['vout'][0]['value'])
+        assert (value_after_subfee < swap_value)
+        swap_value = value_after_subfee
+        wait_for_unspent(delay_event, ci_from, swap_value)
+
+        extra_options = {'prefunded_itx': itx}
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[2].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type, extra_options=extra_options)
+
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(delay_event, swap_clients[2], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[2].acceptBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[2], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+        # Verify expected inputs were used
+        bid, offer = swap_clients[2].getBidAndOffer(bid_id)
+        assert (bid.initiate_tx)
+        wtx = ci_from.rpc_callback('gettransaction', [bid.initiate_tx.txid.hex(),])
+        itx_after = ci_from.describeTx(wtx['hex'])
+        assert (len(itx_after['vin']) == len(itx_decoded['vin']))
+        for i, txin in enumerate(itx_decoded['vin']):
+            assert (txin['txid'] == itx_after['vin'][i]['txid'])
+            assert (txin['vout'] == itx_after['vin'][i]['vout'])
+
+    def test_11_xmrswap_to(self):
+        logging.info('---------- Test xmr swap protocol to')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.BTC
+        coin_to = Coins.DASH
+        swap_type = SwapTypes.XMR_SWAP
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        swap_value = ci_from.make_int(random.uniform(0.2, 20.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type)
+
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[0].acceptBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+    def test_12_xmrswap_to_recover_b_lock_tx(self):
+        coin_from = Coins.BTC
+        coin_to = Coins.DASH
+        logging.info('---------- Test {} to {} follower recovers coin b lock tx'.format(coin_from.name, coin_to.name))
+
+        swap_clients = self.swap_clients
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        amt_swap = ci_from.make_int(random.uniform(0.1, 2.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(
+            coin_from, coin_to, amt_swap, rate_swap, amt_swap, SwapTypes.XMR_SWAP,
+            lock_type=TxLockTypes.SEQUENCE_LOCK_BLOCKS, lock_value=32)
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+
+        bid_id = swap_clients[1].postXmrBid(offer_id, offer.amount_from)
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+
+        bid, xmr_swap = swap_clients[0].getXmrBid(bid_id)
+        swap_clients[1].setBidDebugInd(bid_id, DebugTypes.CREATE_INVALID_COIN_B_LOCK)
+        swap_clients[0].acceptXmrBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, wait_for=180)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, sent=True)
+
 
 if __name__ == '__main__':
     unittest.main()

tests/basicswap/extended/test_firo.py

@@ -16,6 +16,7 @@ from basicswap.basicswap import (
     TxStates,
     SwapTypes,
     BidStates,
+    DebugTypes,
 )
 from basicswap.basicswap_util import (
     TxLockTypes,
@@ -38,6 +39,8 @@ from tests.basicswap.common import (
     make_rpc_func,
     TEST_HTTP_PORT,
     wait_for_offer,
+    wait_for_balance,
+    wait_for_unspent,
     wait_for_in_progress,
     wait_for_bid_tx_state,
 )
@@ -420,6 +423,135 @@ class Test(BaseTest):
         json_rv = read_json_api(TEST_HTTP_PORT + 0, 'wallets/{}/createutxo'.format(self.test_coin_from.name.lower()), post_json)
         assert (len(json_rv['txid']) == 64)
 
+    def ensure_balance(self, coin_type, node_id, amount):
+        tla = coin_type.name
+        js_w = read_json_api(1800 + node_id, 'wallets')
+        if float(js_w[tla]['balance']) < amount:
+            post_json = {
+                'value': amount,
+                'address': js_w[tla]['deposit_address'],
+                'subfee': False,
+            }
+            json_rv = read_json_api(1800, 'wallets/{}/withdraw'.format(tla.lower()), post_json)
+            assert (len(json_rv['txid']) == 64)
+            wait_for_balance(test_delay_event, 'http://127.0.0.1:{}/json/wallets/{}'.format(1800 + node_id, tla.lower()), 'balance', amount)
+
+    def test_10_prefunded_itx(self):
+        logging.info('---------- Test prefunded itx offer')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.FIRO
+        coin_to = Coins.BTC
+        swap_type = SwapTypes.SELLER_FIRST
+        ci_from = swap_clients[2].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+        tla_from = coin_from.name
+
+        # Prepare balance
+        self.ensure_balance(coin_from, 2, 10.0)
+        self.ensure_balance(coin_to, 1, 100.0)
+
+        js_w2 = read_json_api(1802, 'wallets')
+        post_json = {
+            'value': 10.0,
+            'address': read_json_api(1802, 'wallets/{}/nextdepositaddr'.format(tla_from.lower())),
+            'subfee': True,
+        }
+        json_rv = read_json_api(1802, 'wallets/{}/withdraw'.format(tla_from.lower()), post_json)
+        wait_for_balance(test_delay_event, 'http://127.0.0.1:1802/json/wallets/{}'.format(tla_from.lower()), 'balance', 9.0)
+        assert (len(json_rv['txid']) == 64)
+
+        # Create prefunded ITX
+        pi = swap_clients[2].pi(SwapTypes.XMR_SWAP)
+        js_w2 = read_json_api(1802, 'wallets')
+        swap_value = 10.0
+        if float(js_w2[tla_from]['balance']) < swap_value:
+            swap_value = js_w2[tla_from]['balance']
+        swap_value = ci_from.make_int(swap_value)
+        assert (swap_value > ci_from.make_int(9))
+
+        itx = pi.getFundedInitiateTxTemplate(ci_from, swap_value, True)
+        itx_decoded = ci_from.describeTx(itx.hex())
+        value_after_subfee = ci_from.make_int(itx_decoded['vout'][0]['value'])
+        assert (value_after_subfee < swap_value)
+        swap_value = value_after_subfee
+        wait_for_unspent(test_delay_event, ci_from, swap_value)
+
+        extra_options = {'prefunded_itx': itx}
+        rate_swap = ci_to.make_int(random.uniform(0.2, 10.0), r=1)
+        offer_id = swap_clients[2].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type, extra_options=extra_options)
+
+        wait_for_offer(test_delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(test_delay_event, swap_clients[2], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[2].acceptBid(bid_id)
+
+        wait_for_bid(test_delay_event, swap_clients[2], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(test_delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+        # Verify expected inputs were used
+        bid, offer = swap_clients[2].getBidAndOffer(bid_id)
+        assert (bid.initiate_tx)
+        wtx = ci_from.rpc_callback('gettransaction', [bid.initiate_tx.txid.hex(),])
+        itx_after = ci_from.describeTx(wtx['hex'])
+        assert (len(itx_after['vin']) == len(itx_decoded['vin']))
+        for i, txin in enumerate(itx_decoded['vin']):
+            assert (txin['txid'] == itx_after['vin'][i]['txid'])
+            assert (txin['vout'] == itx_after['vin'][i]['vout'])
+
+    def test_11_xmrswap_to(self):
+        logging.info('---------- Test xmr swap protocol to')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.BTC
+        coin_to = Coins.FIRO
+        swap_type = SwapTypes.XMR_SWAP
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        swap_value = ci_from.make_int(random.uniform(0.2, 20.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type)
+
+        wait_for_offer(test_delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(test_delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[0].acceptBid(bid_id)
+
+        wait_for_bid(test_delay_event, swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(test_delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+    def test_12_xmrswap_to_recover_b_lock_tx(self):
+        coin_from = Coins.BTC
+        coin_to = Coins.FIRO
+        logging.info('---------- Test {} to {} follower recovers coin b lock tx'.format(coin_from.name, coin_to.name))
+
+        swap_clients = self.swap_clients
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        amt_swap = ci_from.make_int(random.uniform(0.1, 2.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(
+            coin_from, coin_to, amt_swap, rate_swap, amt_swap, SwapTypes.XMR_SWAP,
+            lock_type=TxLockTypes.SEQUENCE_LOCK_BLOCKS, lock_value=32)
+        wait_for_offer(test_delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+
+        bid_id = swap_clients[1].postXmrBid(offer_id, offer.amount_from)
+        wait_for_bid(test_delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+
+        bid, xmr_swap = swap_clients[0].getXmrBid(bid_id)
+        swap_clients[1].setBidDebugInd(bid_id, DebugTypes.CREATE_INVALID_COIN_B_LOCK)
+        swap_clients[0].acceptXmrBid(bid_id)
+
+        wait_for_bid(test_delay_event, swap_clients[0], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, wait_for=180)
+        wait_for_bid(test_delay_event, swap_clients[1], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, sent=True)
+
     def test_101_full_swap(self):
         logging.info('---------- Test {} to XMR'.format(self.test_coin_from.name))
         if not self.test_xmr:

tests/basicswap/extended/test_network.py

@@ -220,8 +220,8 @@ class Test(unittest.TestCase):
                 else:
                     rpc('extkeyimportmaster', [rpc('mnemonic', ['new'])['master']])
                 # Lower output split threshold for more stakeable outputs
-                rpc('walletsettings', ['stakingoptions', {'stakecombinethreshold': 100, 'stakesplitthreshold': 200}])
-                rpc('reservebalance', [False])
+                rpc('walletsettings', ['stakingoptions', json.dumps({'stakecombinethreshold': 100, 'stakesplitthreshold': 200}).replace('"', '\\"')])
+                rpc('reservebalance', ['false'])
 
             for i in range(NUM_BTC_NODES):
                 data_dir = prepareDataDir(TEST_DIR, i, 'bitcoin.conf', 'btc_', base_p2p_port=BTC_BASE_PORT, base_rpc_port=BTC_BASE_RPC_PORT)

tests/basicswap/extended/test_nmc.py

@@ -297,8 +297,8 @@ class Test(unittest.TestCase):
                 rpc('rescanblockchain')
             else:
                 rpc('extkeyimportmaster', [rpc('mnemonic', ['new'])['master']])
-            rpc('walletsettings', ['stakingoptions', {'stakecombinethreshold': 100, 'stakesplitthreshold': 200}])
-            rpc('reservebalance', [False])
+            rpc('walletsettings', ['stakingoptions', json.dumps({'stakecombinethreshold': 100, 'stakesplitthreshold': 200}).replace('"', '\\"')])
+            rpc('reservebalance', ['false'])
 
             basicswap_dir = os.path.join(os.path.join(cfg.TEST_DATADIRS, str(i)), 'basicswap')
             settings_path = os.path.join(basicswap_dir, cfg.CONFIG_FILENAME)

tests/basicswap/extended/test_pivx.py

@@ -14,6 +14,7 @@ import os
 import sys
 import json
 import time
+import random
 import shutil
 import signal
 import logging
@@ -27,6 +28,7 @@ from basicswap.basicswap import (
     SwapTypes,
     BidStates,
     TxStates,
+    DebugTypes,
 )
 from basicswap.util import (
     COIN,
@@ -47,16 +49,21 @@ from basicswap.contrib.key import (
 from basicswap.http_server import (
     HttpThread,
 )
+from basicswap.interface.btc import (
+    find_vout_for_address_from_txobj,
+)
 from tests.basicswap.util import (
     read_json_api,
 )
 from tests.basicswap.common import (
     checkForks,
     stopDaemons,
-    wait_for_offer,
     wait_for_bid,
-    wait_for_bid_tx_state,
+    wait_for_offer,
+    wait_for_balance,
+    wait_for_unspent,
     wait_for_in_progress,
+    wait_for_bid_tx_state,
     TEST_HTTP_HOST,
     TEST_HTTP_PORT,
     BASE_PORT,
@@ -197,7 +204,15 @@ def prepareDir(datadir, nodeId, network_key, network_pubkey):
         },
         'check_progress_seconds': 2,
         'check_watched_seconds': 4,
-        'check_expired_seconds': 60
+        'check_expired_seconds': 60,
+        'check_events_seconds': 1,
+        'check_xmr_swaps_seconds': 1,
+        'min_delay_event': 1,
+        'max_delay_event': 3,
+        'min_delay_event_short': 1,
+        'max_delay_event_short': 3,
+        'min_delay_retry': 2,
+        'max_delay_retry': 10
     }
     with open(settings_path, 'w') as fp:
         json.dump(settings, fp, indent=4)
@@ -317,8 +332,8 @@ class Test(unittest.TestCase):
                 rpc('rescanblockchain')
             else:
                 rpc('extkeyimportmaster', [rpc('mnemonic', ['new'])['master']])
-            rpc('walletsettings', ['stakingoptions', {'stakecombinethreshold': 100, 'stakesplitthreshold': 200}])
-            rpc('reservebalance', [False])
+            rpc('walletsettings', ['stakingoptions', json.dumps({'stakecombinethreshold': 100, 'stakesplitthreshold': 200}).replace('"', '\\"')])
+            rpc('reservebalance', ['false'])
 
             basicswap_dir = os.path.join(os.path.join(cfg.TEST_DATADIRS, str(i)), 'basicswap')
             settings_path = os.path.join(basicswap_dir, cfg.CONFIG_FILENAME)
@@ -581,6 +596,138 @@ class Test(unittest.TestCase):
                 break
         assert found
 
+    def ensure_balance(self, coin_type, node_id, amount):
+        tla = coin_type.name
+        js_w = read_json_api(1800 + node_id, 'wallets')
+        if float(js_w[tla]['balance']) < amount:
+            post_json = {
+                'value': amount,
+                'address': js_w[tla]['deposit_address'],
+                'subfee': False,
+            }
+            json_rv = read_json_api(1800, 'wallets/{}/withdraw'.format(tla.lower()), post_json)
+            assert (len(json_rv['txid']) == 64)
+            wait_for_balance(delay_event, 'http://127.0.0.1:{}/json/wallets/{}'.format(1800 + node_id, tla.lower()), 'balance', amount)
+
+    def test_10_prefunded_itx(self):
+        logging.info('---------- Test prefunded itx offer')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.PIVX
+        coin_to = Coins.BTC
+        swap_type = SwapTypes.SELLER_FIRST
+        ci_from = swap_clients[2].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+        tla_from = coin_from.name
+
+        # Prepare balance
+        self.ensure_balance(coin_from, 2, 10.0)
+        self.ensure_balance(coin_to, 1, 100.0)
+
+        js_w2 = read_json_api(1802, 'wallets')
+        post_json = {
+            'value': 10.0,
+            'address': read_json_api(1802, 'wallets/{}/nextdepositaddr'.format(tla_from.lower())),
+            'subfee': True,
+        }
+        json_rv = read_json_api(1802, 'wallets/{}/withdraw'.format(tla_from.lower()), post_json)
+        wait_for_balance(delay_event, 'http://127.0.0.1:1802/json/wallets/{}'.format(tla_from.lower()), 'balance', 9.0)
+        assert (len(json_rv['txid']) == 64)
+
+        # Create prefunded ITX
+        pi = swap_clients[2].pi(SwapTypes.XMR_SWAP)
+        js_w2 = read_json_api(1802, 'wallets')
+        swap_value = 10.0
+        if float(js_w2[tla_from]['balance']) < swap_value:
+            swap_value = js_w2[tla_from]['balance']
+        swap_value = ci_from.make_int(swap_value)
+        assert (swap_value > ci_from.make_int(9))
+
+        itx = pi.getFundedInitiateTxTemplate(ci_from, swap_value, True)
+        itx_decoded = ci_from.describeTx(itx.hex())
+
+        mock_addr = pi.getMockAddrTo(ci_from)
+        n = find_vout_for_address_from_txobj(itx_decoded, mock_addr)
+        value_after_subfee = ci_from.make_int(itx_decoded['vout'][n]['value'])
+        assert (value_after_subfee < swap_value)
+        swap_value = value_after_subfee
+        wait_for_unspent(delay_event, ci_from, swap_value)
+
+        extra_options = {'prefunded_itx': itx}
+        rate_swap = ci_to.make_int(random.uniform(0.2, 10.0), r=1)
+        offer_id = swap_clients[2].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type, TxLockTypes.ABS_LOCK_TIME, extra_options=extra_options)
+
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(delay_event, swap_clients[2], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[2].acceptBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[2], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+        # Verify expected inputs were used
+        bid, offer = swap_clients[2].getBidAndOffer(bid_id)
+        assert (bid.initiate_tx)
+        wtx = ci_from.rpc_callback('gettransaction', [bid.initiate_tx.txid.hex(),])
+        itx_after = ci_from.describeTx(wtx['hex'])
+        assert (len(itx_after['vin']) == len(itx_decoded['vin']))
+        for i, txin in enumerate(itx_decoded['vin']):
+            assert (txin['txid'] == itx_after['vin'][i]['txid'])
+            assert (txin['vout'] == itx_after['vin'][i]['vout'])
+
+    def test_11_xmrswap_to(self):
+        logging.info('---------- Test xmr swap protocol to')
+
+        swap_clients = self.swap_clients
+        coin_from = Coins.BTC
+        coin_to = Coins.PIVX
+        swap_type = SwapTypes.XMR_SWAP
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        swap_value = ci_from.make_int(random.uniform(0.2, 20.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(coin_from, coin_to, swap_value, rate_swap, swap_value, swap_type)
+
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+        bid_id = swap_clients[1].postBid(offer_id, offer.amount_from)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+        swap_clients[0].acceptBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.SWAP_COMPLETED, wait_for=120)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.SWAP_COMPLETED, sent=True, wait_for=120)
+
+    def test_12_xmrswap_to_recover_b_lock_tx(self):
+        coin_from = Coins.BTC
+        coin_to = Coins.PIVX
+        logging.info('---------- Test {} to {} follower recovers coin b lock tx'.format(coin_from.name, coin_to.name))
+
+        swap_clients = self.swap_clients
+        ci_from = swap_clients[0].ci(coin_from)
+        ci_to = swap_clients[1].ci(coin_to)
+
+        amt_swap = ci_from.make_int(random.uniform(0.1, 2.0), r=1)
+        rate_swap = ci_to.make_int(random.uniform(0.2, 20.0), r=1)
+        offer_id = swap_clients[0].postOffer(
+            coin_from, coin_to, amt_swap, rate_swap, amt_swap, SwapTypes.XMR_SWAP,
+            lock_type=TxLockTypes.SEQUENCE_LOCK_BLOCKS, lock_value=32)
+        wait_for_offer(delay_event, swap_clients[1], offer_id)
+        offer = swap_clients[1].getOffer(offer_id)
+
+        bid_id = swap_clients[1].postXmrBid(offer_id, offer.amount_from)
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.BID_RECEIVED)
+
+        bid, xmr_swap = swap_clients[0].getXmrBid(bid_id)
+        swap_clients[1].setBidDebugInd(bid_id, DebugTypes.CREATE_INVALID_COIN_B_LOCK)
+        swap_clients[0].acceptXmrBid(bid_id)
+
+        wait_for_bid(delay_event, swap_clients[0], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, wait_for=180)
+        wait_for_bid(delay_event, swap_clients[1], bid_id, BidStates.XMR_SWAP_FAILED_REFUNDED, sent=True)
+
 
 if __name__ == '__main__':
     unittest.main()