test: functional tests for sv2 template provider

TODO: add actual tests

test/functional/test_framework/util.py

@@ -336,6 +336,8 @@ def p2p_port(n):
 def rpc_port(n):
     return PORT_MIN + PORT_RANGE + n + (MAX_NODES * PortSeed.n) % (PORT_RANGE - 1 - MAX_NODES)
 
+def sv2_port(n):
+    return rpc_port(n) * 2
 
 def rpc_url(datadir, i, chain, rpchost):
     rpc_u, rpc_p = get_auth_cookie(datadir, chain)
@@ -379,6 +381,7 @@ def write_config(config_path, *, n, chain, extra_config="", disable_autoconnect=
             f.write("[{}]\n".format(chain_name_conf_section))
         f.write("port=" + str(p2p_port(n)) + "\n")
         f.write("rpcport=" + str(rpc_port(n)) + "\n")
+        f.write("stratumv2=" + str(sv2_port(n)) + "\n")
         # Disable server-side timeouts to avoid intermittent issues
         f.write("rpcservertimeout=99000\n")
         f.write("rpcdoccheck=1\n")