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build: upgrade to go 1.19 (#25726)

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This changes the CI / release builds to use the latest Go version. It also
upgrades golangci-lint to a newer version compatible with Go 1.19.

In Go 1.19, godoc has gained official support for links and lists. The
syntax for code blocks in doc comments has changed and now requires a
leading tab character. gofmt adapts comments to the new syntax
automatically, so there are a lot of comment re-formatting changes in this
PR. We need to apply the new format in order to pass the CI lint stage with
Go 1.19.

With the linter upgrade, I have decided to disable 'gosec' - it produces
too many false-positive warnings. The 'deadcode' and 'varcheck' linters
have also been removed because golangci-lint warns about them being
unmaintained. 'unused' provides similar coverage and we already have it
enabled, so we don't lose much with this change.
This commit is contained in:
Felix Lange
2022-09-10 13:25:40 +02:00
committed by GitHub
parent 389021a5af
commit b628d72766
107 changed files with 997 additions and 973 deletions
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p2p/dnsdisc/tree.go
+20 -20
View File
@@ -117,32 +117,32 @@ func (t *Tree) Nodes() []*enode.Node {
We want to keep the UDP size below 512 bytes. The UDP size is roughly:
UDP length = 8 + UDP payload length ( 229 )
UPD Payload length:
- dns.id 2
- dns.flags 2
- dns.count.queries 2
- dns.count.answers 2
- dns.count.auth_rr 2
- dns.count.add_rr 2
- queries (query-size + 6)
- answers :
- dns.resp.name 2
- dns.resp.type 2
- dns.resp.class 2
- dns.resp.ttl 4
- dns.resp.len 2
- dns.txt.length 1
- dns.txt resp_data_size
- dns.id 2
- dns.flags 2
- dns.count.queries 2
- dns.count.answers 2
- dns.count.auth_rr 2
- dns.count.add_rr 2
- queries (query-size + 6)
- answers :
- dns.resp.name 2
- dns.resp.type 2
- dns.resp.class 2
- dns.resp.ttl 4
- dns.resp.len 2
- dns.txt.length 1
- dns.txt resp_data_size
So the total size is roughly a fixed overhead of `39`, and the size of the
query (domain name) and response.
The query size is, for example, FVY6INQ6LZ33WLCHO3BPR3FH6Y.snap.mainnet.ethdisco.net (52)
So the total size is roughly a fixed overhead of `39`, and the size of the query (domain
name) and response. The query size is, for example,
FVY6INQ6LZ33WLCHO3BPR3FH6Y.snap.mainnet.ethdisco.net (52)
We also have some static data in the response, such as `enrtree-branch:`, and potentially
splitting the response up with `" "`, leaving us with a size of roughly `400` that we need
to stay below.
The number `370` is used to have some margin for extra overhead (for example, the dns query
may be larger - more subdomains).
The number `370` is used to have some margin for extra overhead (for example, the dns
query may be larger - more subdomains).
*/
const (
hashAbbrevSize = 1 + 16*13/8 // Size of an encoded hash (plus comma)