// Single Outbound Channel.
bc::network::settings settings(bc::config::settings::mainnet);
settings.seeds.clear();
settings.seeds.push_back({ "
seed.bitcoin.wiz.biz",8333 });
settings.seeds.push_back({ "
dnsseed.bitcoin.dashjr.org",8333 });
settings.seeds.push_back({ "
seed.btc.petertodd.org",8333 });
settings.inbound_connections = 0; // default setting = 0.
settings.outbound_connections = 2; // default setting = 8.
settings.host_pool_capacity = 100; // default setting = 0.
settings.threads = 3; // default setting = 0.
settings.services = bc::message::version::service::none; // default none.