tendermint

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JayT106 080dfab992 p2p/pex: reuse hash.Hasher per addrbook for speed (#6509 ) (#9445 )

Cherry-picking PR #6509

By pre-creating the hasher, instead of creating new one everytime addrbook.hash is called.

```
name             old time/op    new time/op    delta
AddrBook_hash-8     181ns ±13%      80ns ± 1%  -56.08%  (p=0.000 n=10+10)

name             old alloc/op   new alloc/op   delta
AddrBook_hash-8      216B ± 0%        8B ± 0%  -96.30%  (p=0.000 n=10+10)

name             old allocs/op  new allocs/op  delta
AddrBook_hash-8      2.00 ± 0%      1.00 ± 0%  -50.00%  (p=0.000 n=10+10)
```

Fixed #6508



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#### PR checklist

- [x] Tests written/updated, or no tests needed
- [x] `CHANGELOG_PENDING.md` updated, or no changelog entry needed
- [x] Updated relevant documentation (`docs/`) and code comments, or no
      documentation updates needed

2022-09-21 08:34:14 +00:00

addrbook_test.go

do not use ioutil (#9206 )

2022-08-10 14:35:14 -04:00

addrbook.go

p2p/pex: reuse hash.Hasher per addrbook for speed (#6509 ) (#9445 )

2022-09-21 08:34:14 +00:00

bench_test.go

p2p/pex: reuse hash.Hasher per addrbook for speed (#6509 ) (#9445 )

2022-09-21 08:34:14 +00:00

errors.go

p2p: ensure peers can't change IP of known nodes (#5136 )