Add Travis fedpeg test with downloaded bitcoind

.travis.yml

@@ -159,3 +159,16 @@ jobs:
         RUN_FUNCTIONAL_TESTS=false
         GOAL="install"
         BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --enable-glibc-back-compat --enable-reduce-exports --with-gui=qt5 CPPFLAGS=-DDEBUG_LOCKORDER"
+
+# x86_64 Linux w/ single fedpeg test that uses upstream bitcoind as mainchain
+    - stage: test
+      env: >-
+        HOST=x86_64-unknown-linux-gnu
+        PACKAGES="python3-zmq qtbase5-dev qttools5-dev-tools libssl1.0-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb5.3++-dev libminiupnpc-dev libzmq3-dev libprotobuf-dev protobuf-compiler libqrencode-dev"
+        NO_DEPENDS=1
+        RUN_UNIT_TESTS=false
+        RUN_BITCOIN_TESTS=false
+        RUN_FUNCTIONAL_TESTS=false
+        RUN_FEDPEG_BITCOIND_TEST=true
+        GOAL="install"
+        BITCOIN_CONFIG="--enable-zmq --with-incompatible-bdb --enable-glibc-back-compat --enable-reduce-exports --with-gui=no --disable-tests --disable-bench CPPFLAGS=-DDEBUG_LOCKORDER"

.travis/test_06_script.sh

@@ -71,3 +71,13 @@ if [ "$RUN_BITCOIN_TESTS" = "true" ]; then
     DOCKER_EXEC test/bitcoin_functional/functional/test_runner.py --combinedlogslen=4000 --coverage --quiet --failfast ${extended}
     END_FOLD
 fi
+
+if [ "$RUN_FEDPEG_BITCOIND_TEST" = "true" ]; then
+    BEGIN_FOLD fedpeg-bitcoind-test
+    BITCOIND_VERSION=0.17.1
+    BITCOIND_ARCH=x86_64-linux-gnu
+    DOCKER_EXEC curl -O https://bitcoincore.org/bin/bitcoin-core-$BITCOIND_VERSION/bitcoin-$BITCOIND_VERSION-$BITCOIND_ARCH.tar.gz
+    DOCKER_EXEC tar -zxf bitcoin-$BITCOIND_VERSION-$BITCOIND_ARCH.tar.gz
+    DOCKER_EXEC test/functional/feature_fedpeg.py --parent_bitcoin --parent_binpath $(pwd)/bitcoin-$BITCOIND_VERSION/bin/bitcoind
+    END_FOLD
+fi

src/chainparams.cpp

@@ -562,7 +562,7 @@ class CCustomParams : public CRegTestParams {
         base58Prefixes[PARENT_PUBKEY_ADDRESS] = std::vector<unsigned char>(1, args.GetArg("-parentpubkeyprefix", 111));
         base58Prefixes[PARENT_SCRIPT_ADDRESS] = std::vector<unsigned char>(1, args.GetArg("-parentscriptprefix", 196));
         parent_bech32_hrp = args.GetArg("-parent_bech32_hrp", "bcrt");
-        parent_blech32_hrp = args.GetArg("-parent_bech32_hrp", "bcrt");
+        parent_blech32_hrp = args.GetArg("-parent_blech32_hrp", "bcrt");
 
         base58Prefixes[BLINDED_ADDRESS] = std::vector<unsigned char>(1, args.GetArg("-blindedprefix", 4));
 

test/functional/feature_fedpeg.py

@@ -38,16 +38,22 @@ class FedPegTest(BitcoinTestFramework):
 
         self.nodes = []
         # Setup parent nodes
-        parent_chain = "regtest" if self.options.parent_bitcoin else "parent"
+        parent_chain = "parent" if not self.options.parent_bitcoin else "regtest"
         parent_binary = [self.options.parent_binpath] if self.options.parent_binpath != "" else None
         for n in range(2):
             extra_args = [
-                "-printtoconsole=0",
                 "-port="+str(p2p_port(n)),
                 "-rpcport="+str(rpc_port(n))
             ]
             if self.options.parent_bitcoin:
+                # bitcoind can't read elements.conf config files
                 extra_args.extend([
+                    "-regtest=1",
+                    "-printtoconsole=0",
+                    "-server=1",
+                    "-discover=0",
+                    "-keypool=1",
+                    "-listenonion=0",
                     "-addresstype=legacy", # To make sure bitcoind gives back p2pkh no matter version
                 ])
             else:
@@ -58,7 +64,7 @@ class FedPegTest(BitcoinTestFramework):
                     "-signblockscript=51", # OP_TRUE
                 ])
 
-            self.add_nodes(1, [extra_args], chain=[parent_chain], binary=parent_binary)
+            self.add_nodes(1, [extra_args], chain=[parent_chain], binary=parent_binary, chain_in_args=[not self.options.parent_bitcoin])
             self.start_node(n)
             print("Node {} started".format(n))
 
@@ -86,6 +92,8 @@ class FedPegTest(BitcoinTestFramework):
                 '-mainchainrpchost=127.0.0.1',
                 '-mainchainrpcport=%s' % rpc_port(n),
                 '-recheckpeginblockinterval=15', # Long enough to allow failure and repair before timeout
+                '-parentpubkeyprefix=111',
+                '-parentscriptprefix=196',
             ]
             if not self.options.parent_bitcoin:
                 extra_args.extend([

test/functional/test_framework/test_framework.py

@@ -280,7 +280,7 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
 
     # Public helper methods. These can be accessed by the subclass test scripts.
 
-    def add_nodes(self, num_nodes, extra_args=None, *, rpchost=None, chain=None, binary=None):
+    def add_nodes(self, num_nodes, extra_args=None, *, rpchost=None, chain=None, binary=None, chain_in_args=None):
         """Instantiate TestNode objects"""
         if self.bind_to_localhost_only:
             extra_confs = [["bind=127.0.0.1"]] * num_nodes
@@ -292,13 +292,15 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
             binary = [self.options.bitcoind] * num_nodes
         if chain is None:
             chain = [self.chain] * num_nodes
+        if chain_in_args is None:
+            chain_in_args = [True] * num_nodes
         assert_equal(len(extra_confs), num_nodes)
         assert_equal(len(extra_args), num_nodes)
         assert_equal(len(binary), num_nodes)
         assert_equal(len(chain), num_nodes)
         for i in range(num_nodes):
             numnode = len(self.nodes)
-            self.nodes.append(TestNode(numnode, get_datadir_path(self.options.tmpdir, numnode), chain[i], rpchost=rpchost, timewait=self.rpc_timewait, bitcoind=binary[i], bitcoin_cli=self.options.bitcoincli, mocktime=self.mocktime, coverage_dir=self.options.coveragedir, extra_conf=extra_confs[i], extra_args=extra_args[i], use_cli=self.options.usecli))
+            self.nodes.append(TestNode(numnode, get_datadir_path(self.options.tmpdir, numnode), chain[i], rpchost=rpchost, timewait=self.rpc_timewait, bitcoind=binary[i], bitcoin_cli=self.options.bitcoincli, mocktime=self.mocktime, coverage_dir=self.options.coveragedir, extra_conf=extra_confs[i], extra_args=extra_args[i], use_cli=self.options.usecli, chain_in_args=chain_in_args[i]))
 
     def start_node(self, i, *args, **kwargs):
         """Start a bitcoind"""

test/functional/test_framework/test_node.py

@@ -58,7 +58,7 @@ class TestNode():
     To make things easier for the test writer, any unrecognised messages will
     be dispatched to the RPC connection."""
 
-    def __init__(self, i, datadir, chain, *, rpchost, timewait, bitcoind, bitcoin_cli, mocktime, coverage_dir, extra_conf=None, extra_args=None, use_cli=False):
+    def __init__(self, i, datadir, chain, *, rpchost, timewait, bitcoind, bitcoin_cli, mocktime, coverage_dir, extra_conf=None, extra_args=None, use_cli=False, chain_in_args=True):
         self.index = i
         self.datadir = datadir
         self.stdout_dir = os.path.join(self.datadir, "stdout")
@@ -77,7 +77,6 @@ class TestNode():
         self.args = [
             self.binary,
             "-datadir=" + self.datadir,
-            "-chain=" + self.chain,
             "-logtimemicros",
             "-debug",
             "-debugexclude=libevent",
@@ -85,6 +84,8 @@ class TestNode():
             "-mocktime=" + str(mocktime),
             "-uacomment=testnode%d" % i
         ]
+        if chain_in_args:
+            self.args += ["-chain=" + self.chain]
 
         self.cli = TestNodeCLI(bitcoin_cli, self.datadir, self.chain)
         self.use_cli = use_cli