Reconnect on connection lost

[AurevoirXavier]

2023-06-28T17:21:56.269530Z  INFO slothunter::hunter: ############################################################
2023-06-28T17:21:56.269976Z  INFO slothunter::hunter: node endpoint(ws://127.0.0.1:9944)
2023-06-28T17:21:56.270349Z  INFO slothunter::hunter: graphql endpoint(http://127.0.0.1:3000/graphql)
2023-06-28T17:21:56.270368Z  INFO slothunter::hunter: bid
2023-06-28T17:21:56.270383Z  INFO slothunter::hunter:   hunting a slot for parachain(2000)
2023-06-28T17:21:56.270396Z  INFO slothunter::hunter:   watch-only(true)
2023-06-28T17:21:56.270401Z  INFO slothunter::hunter: notification
2023-06-28T17:21:56.270403Z  INFO slothunter::hunter:   webhooks
2023-06-28T17:21:56.270406Z  INFO slothunter::hunter: ############################################################
2023-06-28T17:22:00.005807Z  INFO slothunter::hunter: block(#107, 0xf7fb7202976c109a5caa170ad6493f84657327a742f004886f7a52d40db99612)
2023-06-28T17:22:06.006089Z  INFO slothunter::hunter: block(#108, 0x99d90bbd427dd6e555ea8a38eb77d43b955323ce2286aa3e061f17e9513b5ad6)
2023-06-28T17:22:12.007347Z  INFO slothunter::hunter: block(#109, 0xee6b8ebbac9d768134636541a19c54cd490d4358b195d9eef43651812d5cbd06)
2023-06-28T17:22:13.471701Z ERROR jsonrpsee_core::client::async_client: [backend]: Networking or low-level protocol error: WebSocket connection error: connection closed
2023-06-28T17:22:13.471858Z ERROR slothunter: websocket connection was lost due to error(failed to get the next block)
2023-06-28T17:22:13.472232Z ERROR slothunter: failed to establish a websocket connection due to error(Error in the WebSocket handshake: i/o error: Connection reset by peer (os error 104))
2023-06-28T17:22:18.472766Z ERROR slothunter: failed to establish a websocket connection due to error(Error when opening the TCP socket: Connection refused (os error 111))
2023-06-28T17:22:23.473292Z ERROR slothunter: failed to establish a websocket connection due to error(Error when opening the TCP socket: Connection refused (os error 111))
2023-06-28T17:22:28.473829Z ERROR slothunter: failed to establish a websocket connection due to error(Error in the WebSocket handshake: i/o error: Connection reset by peer (os error 104))
2023-06-28T17:22:33.492343Z  INFO slothunter: websocket connection has been reestablished
2023-06-28T17:22:33.492783Z  INFO slothunter::hunter: ############################################################
2023-06-28T17:22:33.493195Z  INFO slothunter::hunter: node endpoint(ws://127.0.0.1:9944)
2023-06-28T17:22:33.493524Z  INFO slothunter::hunter: graphql endpoint(http://127.0.0.1:3000/graphql)
2023-06-28T17:22:33.493541Z  INFO slothunter::hunter: bid
2023-06-28T17:22:33.493553Z  INFO slothunter::hunter:   hunting a slot for parachain(2000)
2023-06-28T17:22:33.493680Z  INFO slothunter::hunter:   watch-only(true)
2023-06-28T17:22:33.493697Z  INFO slothunter::hunter: notification
2023-06-28T17:22:33.493719Z  INFO slothunter::hunter:   webhooks
2023-06-28T17:22:33.493724Z  INFO slothunter::hunter: ############################################################
2023-06-28T17:22:38.505951Z  INFO slothunter::hunter: block(#1, 0xe75845e89daf4cd85138ae445583e33f23f6218c6cfe83bd3988ea82d7151555)
2023-06-28T17:22:42.004485Z  INFO slothunter::hunter: block(#2, 0x8674d0f60e1804ffbb22c4c9d8cfd85729d94ab305484100a169f544a03f9196)