pool: race in logging, part2

[AskAlexSharov]

==================
WARNING: DATA RACE
Write at 0x00c029988f40 by goroutine 322:
  github.com/erigontech/erigon/txnprovider/txpool.(*bestSlice).UnsafeAdd()
      /home/ubuntu/erigon/txnprovider/txpool/queues.go:50 +0x444
  github.com/erigontech/erigon/txnprovider/txpool.(*PendingPool).Add()
      /home/ubuntu/erigon/txnprovider/txpool/pending_pool.go:97 +0x325
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).promote()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1819 +0x194d
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).addTxns()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1327 +0xd84
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).processRemoteTxns()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:511 +0x7c7
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).Run()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1887 +0x9b2
  github.com/erigontech/erigon/eth.(*Ethereum).Start.func3()
      /home/ubuntu/erigon/eth/backend.go:1594 +0x7a
  golang.org/x/sync/errgroup.(*Group).Go.func1()
      /home/ubuntu/go/pkg/mod/golang.org/x/[email protected]/errgroup/errgroup.go:78 +0x91

Previous read at 0x00c029988f40 by goroutine 324:
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).OnNewBlock()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:310 +0x3c4
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).handleStateChangesRequest()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:516 +0x47a
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).handleStateChanges()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:468 +0x2ad
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).ConnectCore.func1()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:124 +0xa4

also renamed coreDB to chainDB