my kotti authority node keeps falling out of sync

[meowsbits]

Migrated from: etclabscore/multi-geth-fork#49
Original author: @meowsbits

---

This is the latest case, the mismatching block (my current head which is different than canonical):

> eth.getBlock("latest", true);
{
  difficulty: 1,
  extraData: "0x455443204c616273204b6f74746900000000000000000000000000000000000063bfd5ae04df0435987ef8928aaa6c3882d591b70c3344c51db40c273c59352d6e818826fd03f35a5c44c2ab49c446acd051d9b34504d851fbb7a5b7590cbd3c00",
  gasLimit: 8000000,
  gasUsed: 0,
  hash: "0x4497aa8619d3ec1ae177ffa12d9e65b94975e50f8a866621ee653987c4ad33ea",
  logsBloom: "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
  miner: "0x0000000000000000000000000000000000000000",
  mixHash: "0x0000000000000000000000000000000000000000000000000000000000000000",
  nonce: "0x0000000000000000",
  number: 1265038,
  parentHash: "0xc695c15cebb690cffa48e27c310f8738450e100b19e3f2d3b0c94458e8416221",
  receiptsRoot: "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
  sha3Uncles: "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
  size: 609,
  stateRoot: "0x8627b1972780da86ab7781cb8cb97a8756e83040f110b0e1f2cc45e4fcd33ff8",
  timestamp: 1572865977,
  totalDifficulty: 1957838,
  transactions: [],
  transactionsRoot: "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
  uncles: []
}
> web3.toAscii(eth.getBlock("latest", true).extraData);
"ETC Labs Kotti\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00c¿Õ®\x04ß\x045\u0098~ø\u0092\u008aªl8\u0082Õ\u0091·\f3DÅ\x1d´\f'<Y5-n\u0081\u0088&ý\x03óZ\D«IÄF¬ÐQÙ³E\x04ØQû·¥·Y\f½<\x00"

Visible in this screenshot:

---

• The block authorities are different; my block has ETC Labs as the block signer (via block extra data), while canonical reports notti-kotti-... as the block maker.
• Canonical includes a transaction, mine does not.

---

Mismatch block JSON comparison

Mine:

{
  "jsonrpc": "2.0", 
  "id": 1, 
  "result": {
    "difficulty": "0x1", 
    "extraData": "0x455443204c616273204b6f74746900000000000000000000000000000000000063bfd5ae04df0435987ef8928aaa6c3882d591b70c3344c51db40c273c59352d6e818826fd03f35a5c44c2ab49c446acd051d9b34504d851fbb7a5b7590cbd3c00", 
    "gasLimit": "0x7a1200", 
    "gasUsed": "0x0", 
    "hash": "0x4497aa8619d3ec1ae177ffa12d9e65b94975e50f8a866621ee653987c4ad33ea", 
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", 
    "miner": "0x0000000000000000000000000000000000000000", 
    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000", 
    "nonce": "0x0000000000000000", 
    "number": "0x134d8e", 
    "parentHash": "0xc695c15cebb690cffa48e27c310f8738450e100b19e3f2d3b0c94458e8416221", 
    "receiptsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", 
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347", 
    "size": "0x261", 
    "stateRoot": "0x8627b1972780da86ab7781cb8cb97a8756e83040f110b0e1f2cc45e4fcd33ff8", 
    "timestamp": "0x5dc007b9", 
    "totalDifficulty": "0x1ddfce", 
    "transactions": [], 
    "transactionsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421", 
    "uncles": []
  }
}

Canonical (via https://explorer.jade.builders/block/0xcaebe0b74c52658891a318bb0ecd6e08fb2c9ada52fd8499ec05dc783a7928c0/raw?network=kotti):

{
    "difficulty": "0x1",
    "extraData": "0x6e6f7474692d6b6f747469000000000000000000000000000000000000000000224d7eced4ee3a781babd1ecc138e045b1a3c07768e6f199aa09ec97168355942c1ab0fe32e0e7ad6230378ae49bf7d4c220635a275fcee592da7eedea4e219601",
    "gasLimit": "0x7a1200",
    "gasUsed": "0x5208",
    "hash": "0xcaebe0b74c52658891a318bb0ecd6e08fb2c9ada52fd8499ec05dc783a7928c0",
    "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
    "miner": "0x0000000000000000000000000000000000000000",
    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "nonce": "0x0000000000000000",
    "number": "0x134d8e",
    "parentHash": "0xc695c15cebb690cffa48e27c310f8738450e100b19e3f2d3b0c94458e8416221",
    "receiptsRoot": "0x056b23fbba480696b65fe5a59b8f2148a1299103c4f57df839233af2cf4ca2d2",
    "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
    "size": "0x2d0",
    "stateRoot": "0xacd47979435487a7d071e92d49fb288a3b0adf6ab104d391bd28058df6cacc54",
    "timestamp": "0x5d89cab1",
    "totalDifficulty": "0x1ddfce",
    "transactions": [
        {
            "blockHash": "0xcaebe0b74c52658891a318bb0ecd6e08fb2c9ada52fd8499ec05dc783a7928c0",
            "blockNumber": "0x134d8e",
            "from": "0xc58299aa649ae63d3362a6fb6b19946a36746d61",
            "gas": "0x877f8",
            "gasPrice": "0x77359400",
            "hash": "0xece844c6f45c812ab33ba6800c47727c2f976cf657cbe8d6cc082a2c207933e1",
            "input": "0x",
            "nonce": "0x0",
            "to": "0xab8137f2a142b7fb615d7f41fff95e6a36772c4e",
            "transactionIndex": "0x0",
            "value": "0x5af3107a4000",
            "v": "0x30",
            "r": "0x5be1535281cff6ffe6608be828061c538c72790fe08cf75662b2cf77bc96dcad",
            "s": "0x15b4553ab3642933a80f12eeb7e7ef41f27a232675ec70160cd7d04732d790c4"
        }
    ],
    "transactionsRoot": "0x043d6ed6fdb463918ff42cc0935db64cb6a52b4f87c77a7f78413cfebe9efc2f",
    "uncles": []
}

Environment and parameters

I am running geth with the following command:

/root/go/src/github.com/ethereum/go-ethereum/build/bin/geth --kotti --networkid 6 --lightserv 50 --miner.etherbase 0x009bd67e2d46db4e2c948d89dfdc511723495e55 --miner.extradata "ETC Labs Kotti" --mine --unlock 0x009bd67e2d46db4e2c948d89dfdc511723495e55 --password /root/kottipassword.txt --bootnodes enode://06333009fc9ef3c9e174768e495722a7f98fe7afd4660542e983005f85e556028410fd03278944f44cfe5437b1750b5e6bd1738f700fe7da3626d52010d2954c@51.141.15.254:30303 --ethstats "ETC Labs Kotti #0, meow":password@wss://stats.kotti.goerli.net

$ geth version
MultiGeth
Version: 1.9.4-unstable
Git Commit: b0c64213331f67fe4d3e6b251f87c777a4261f1e
Git Commit Date: 20191019
Architecture: amd64
Protocol Versions: [63]
Network Id: 1
Go Version: go1.11.5
Operating System: linux
GOPATH=/root/go
GOROOT=/usr/local/go

root@etclabs-kotti:~# uname -a
Linux etclabs-kotti 4.4.0-141-generic #167-Ubuntu SMP Wed Dec 5 10:40:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

[meowsbits]

Things seem to have stabilized here, and this hasn't happened to me a in a long time. Closing as resolved.