re-add pegging python test

qa/rpc-tests/pegging.py

@@ -0,0 +1,213 @@
+#!/usr/bin/env python2
+
+from test_framework.authproxy import AuthServiceProxy, JSONRPCException
+import os
+import random
+import sys
+import time
+import subprocess
+import shutil
+
+if len(sys.argv) != 3:
+    print("paths to bitcoind and sidechain daemon must be included as arguments")
+    sys.exit(0)
+print(sys.argv[1])
+print(sys.argv[2])
+
+def sync_all(sidechain, sidechain2):
+    timeout = 20
+    while len(sidechain.getrawmempool()) != len(sidechain2.getrawmempool()):
+        time.sleep(1)
+        timeout -= 1
+        if timeout == 0:
+            raise Exception("Peg-in has failed to propagate.")
+    sidechain2.generate(1)
+    while sidechain.getblockcount() != sidechain2.getblockcount():
+        time.sleep(1)
+        timeout -= 1
+        if timeout == 0:
+            raise Exception("Blocks are not propagating.")
+
+fedpeg_key="cPxqWyf1HDGpGFH1dnfjz8HbiWxvwG8WXyetbuAiw4thKXUdXLpR"
+fedpeg_pubkey="512103dff4923d778550cc13ce0d887d737553b4b58f4e8e886507fc39f5e447b2186451ae"
+
+bitcoin_datadir="/tmp/"+''.join(random.choice('0123456789ABCDEF') for i in range(5))
+bitcoin_pass=''.join(random.choice('0123456789ABCDEF') for i in range(10))
+sidechain_datadir="/tmp/"+''.join(random.choice('0123456789ABCDEF') for i in range(5))
+sidechain_pass=''.join(random.choice('0123456789ABCDEF') for i in range(10))
+sidechain2_datadir="/tmp/"+''.join(random.choice('0123456789ABCDEF') for i in range(5))
+sidechain2_pass=''.join(random.choice('0123456789ABCDEF') for i in range(10))
+
+bitcoin_port = 8000 + os.getpid()%999
+sidechain_port = bitcoin_port + 1
+sidechain2_port = bitcoin_port + 2
+sidechain1_p2p_port = bitcoin_port + 3
+sidechain2_p2p_port = bitcoin_port + 4
+
+os.makedirs(bitcoin_datadir)
+os.makedirs(sidechain_datadir)
+os.makedirs(sidechain2_datadir)
+
+with open(os.path.join(bitcoin_datadir, "bitcoin.conf"), 'w') as f:
+        f.write("regtest=1\n")
+        f.write("rpcuser=bitcoinrpc\n")
+        f.write("rpcpassword="+bitcoin_pass+"\n")
+        f.write("rpcport="+str(bitcoin_port)+"\n")
+        f.write("discover=0\n")
+        f.write("listen=0\n")
+        f.write("testnet=0\n")
+        f.write("txindex=1\n")
+        f.write("daemon=1\n")
+        f.write("listen=0\n")
+
+with open(os.path.join(sidechain_datadir, "elements.conf"), 'w') as f:
+        f.write("regtest=1\n")
+        f.write("rpcuser=sidechainrpc\n")
+        f.write("rpcpassword="+sidechain_pass+"\n")
+        f.write("rpcport="+str(sidechain_port)+"\n")
+        f.write("discover=0\n")
+        f.write("testnet=0\n")
+        f.write("txindex=1\n")
+        f.write("fedpegscript="+fedpeg_pubkey+"\n")
+        f.write("daemon=1\n")
+        f.write("mainchainrpchost=127.0.0.1\n")
+        f.write("mainchainrpcport="+str(bitcoin_port)+"\n")
+        f.write("mainchainrpcuser=bitcoinrpc\n")
+        f.write("mainchainrpcpassword="+bitcoin_pass+"\n")
+        f.write("validatepegin=1\n")
+        f.write("validatepegout=0\n")
+        f.write("port="+str(sidechain1_p2p_port)+"\n")
+        f.write("connect=localhost:"+str(sidechain2_p2p_port)+"\n")
+        f.write("listen=1\n")
+
+with open(os.path.join(sidechain2_datadir, "elements.conf"), 'w') as f:
+        f.write("regtest=1\n")
+        f.write("rpcuser=sidechainrpc2\n")
+        f.write("rpcpassword="+sidechain2_pass+"\n")
+        f.write("rpcport="+str(sidechain2_port)+"\n")
+        f.write("discover=0\n")
+        f.write("testnet=0\n")
+        f.write("txindex=1\n")
+        f.write("fedpegscript="+fedpeg_pubkey+"\n")
+        f.write("daemon=1\n")
+        f.write("mainchainrpchost=127.0.0.1\n")
+        f.write("mainchainrpcport="+str(bitcoin_port)+"\n")
+        f.write("mainchainrpcuser=bitcoinrpc\n")
+        f.write("mainchainrpcpassword="+bitcoin_pass+"\n")
+        f.write("validatepegin=1\n")
+        f.write("validatepegout=0\n")
+        f.write("port="+str(sidechain2_p2p_port)+"\n")
+        f.write("connect=localhost:"+str(sidechain1_p2p_port)+"\n")
+        f.write("listen=1\n")
+
+try:
+
+    # Default is 8, meaning 8+2 confirms for wallet acceptance normally
+    # this will require 10+2.
+    sidechain_args = " -peginconfirmationdepth=10 "
+
+    # Start daemons
+    print("Starting daemons at "+bitcoin_datadir+", "+sidechain_datadir+" and "+sidechain2_datadir)
+    bitcoindstart = sys.argv[1]+"/bitcoind -datadir="+bitcoin_datadir
+    subprocess.Popen(bitcoindstart.split(), stdout=subprocess.PIPE)
+
+    sidechainstart = sys.argv[2]+"/elementsd -datadir="+sidechain_datadir + sidechain_args
+    subprocess.Popen(sidechainstart.split(), stdout=subprocess.PIPE)
+
+    sidechain2start = sys.argv[2]+"/elementsd -datadir="+sidechain2_datadir + sidechain_args
+    subprocess.Popen(sidechain2start.split(), stdout=subprocess.PIPE)
+
+    print("Daemons started")
+    time.sleep(3)
+
+    bitcoin = AuthServiceProxy("http://bitcoinrpc:"+bitcoin_pass+"@127.0.0.1:"+str(bitcoin_port))
+    sidechain = AuthServiceProxy("http://sidechainrpc:"+sidechain_pass+"@127.0.0.1:"+str(sidechain_port))
+    sidechain2 = AuthServiceProxy("http://sidechainrpc2:"+sidechain2_pass+"@127.0.0.1:"+str(sidechain2_port))
+    print("Daemons started, making blocks to get funds")
+
+    bitcoin.generate(101)
+    sidechain.generate(101)
+
+    addr = bitcoin.getnewaddress()
+
+    addrs = sidechain.getpeginaddress()
+    txid1 = bitcoin.sendtoaddress(addrs["mainchain_address"], 24)
+    # 10+2 confirms required to get into mempool and confirm
+    bitcoin.generate(11)
+    time.sleep(2)
+    proof = bitcoin.gettxoutproof([txid1])
+    raw = bitcoin.getrawtransaction(txid1)
+
+    print("Attempting peg-in")
+    try:
+        pegtxid = sidechain.claimpegin(raw, proof)
+        raise Exception("Peg-in should not mature enough yet, need another block.")
+    except JSONRPCException as e:
+        assert("Peg-in Bitcoin transaction needs more confirmations to be sent." in e.error["message"])
+        pass
+
+    # Should fail due to non-matching wallet address
+    try:
+        pegtxid = sidechain.claimpegin(raw, proof, sidechain.getnewaddress())
+        raise Exception("Peg-in with non-matching witness_program should fail.")
+    except JSONRPCException as e:
+        assert("Given witness_program is not a valid v0 witness program" in e.error["message"])
+        pass
+
+    # 12 confirms allows in mempool
+    bitcoin.generate(1)
+
+    # Should succeed via wallet lookup for address match, and when given
+    pegtxid1 = sidechain.claimpegin(raw, proof)
+
+    sync_all(sidechain, sidechain2)
+
+    tx1 = sidechain.gettransaction(pegtxid1)
+
+    if "confirmations" in tx1 and tx1["confirmations"] > 0:
+        print("Peg-in is confirmed: Success!")
+    else:
+        raise Exception("Peg-in confirmation has failed.")
+
+    # Do many claims in mempool
+    n_claims = 100
+
+    print("Flooding mempool with many small claims")
+    pegtxs = []
+    sidechain.generate(101)
+
+    for i in range(n_claims):
+        addrs = sidechain.getpeginaddress()
+        txid = bitcoin.sendtoaddress(addrs["mainchain_address"], 1)
+        bitcoin.generate(12)
+        proof = bitcoin.gettxoutproof([txid])
+        raw = bitcoin.getrawtransaction(txid)
+        pegtxs += [sidechain.claimpegin(raw, proof)]
+
+    sync_all(sidechain, sidechain2)
+
+    sidechain2.generate(1)
+    for pegtxid in pegtxs:
+        tx = sidechain.gettransaction(pegtxid)
+        if "confirmations" not in tx or tx["confirmations"] == 0:
+            raise Exception("Peg-in confirmation has failed.")
+
+    # TODO test reorgs, conflicting peg-ins
+
+    print("Success!")
+
+except JSONRPCException as e:
+        print("Pegging testing failed, aborting:")
+        print(e.error)
+except Exception as e:
+        print("Pegging testing failed, aborting:")
+        print(e)
+
+print("Stopping daemons and cleaning up")
+bitcoin.stop()
+sidechain.stop()
+
+time.sleep(5)
+
+shutil.rmtree(sidechain_datadir)
+shutil.rmtree(bitcoin_datadir)