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cmd/devp2p: fix comparison of TXT record value (#22572)

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* cmd/devp2p: fix comparison of TXT record value

The AWS API returns quoted DNS strings, so we must encode the new value
before comparing it against the existing record content.

* cmd/devp2p: add test

* cmd/devp2p: fix typo and rename val -> newValue
This commit is contained in:
Felix Lange
2021-03-25 12:32:32 +01:00
committed by GitHub
parent 0fda25e471
commit bed74b38d9
2 changed files with 42 additions and 17 deletions
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24
cmd/devp2p/dns_route53_test.go
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@@ -162,5 +162,29 @@ func TestRoute53ChangeSort(t *testing.T) {
}
}
// This test checks that computeChanges compares the quoted value of the records correctly.
func TestRoute53NoChange(t *testing.T) {
// Existing record set.
testTree0 := map[string]recordSet{
"n": {ttl: rootTTL, values: []string{
`"enrtree-root:v1 e=JWXYDBPXYWG6FX3GMDIBFA6CJ4 l=C7HRFPF3BLGF3YR4DY5KX3SMBE seq=1 sig=o908WmNp7LibOfPsr4btQwatZJ5URBr2ZAuxvK4UWHlsB9sUOTJQaGAlLPVAhM__XJesCHxLISo94z5Z2a463gA"`,
}},
"2xs2367yhaxjfglzhvawlqd4zy.n": {ttl: treeNodeTTL, values: []string{
`"enr:-HW4QOFzoVLaFJnNhbgMoDXPnOvcdVuj7pDpqRvh6BRDO68aVi5ZcjB3vzQRZH2IcLBGHzo8uUN3snqmgTiE56CH3AMBgmlkgnY0iXNlY3AyNTZrMaECC2_24YYkYHEgdzxlSNKQEnHhuNAbNlMlWJxrJxbAFvA"`,
}},
}
// New set.
testTree1 := map[string]string{
"n": "enrtree-root:v1 e=JWXYDBPXYWG6FX3GMDIBFA6CJ4 l=C7HRFPF3BLGF3YR4DY5KX3SMBE seq=1 sig=o908WmNp7LibOfPsr4btQwatZJ5URBr2ZAuxvK4UWHlsB9sUOTJQaGAlLPVAhM__XJesCHxLISo94z5Z2a463gA",
"2XS2367YHAXJFGLZHVAWLQD4ZY.n": "enr:-HW4QOFzoVLaFJnNhbgMoDXPnOvcdVuj7pDpqRvh6BRDO68aVi5ZcjB3vzQRZH2IcLBGHzo8uUN3snqmgTiE56CH3AMBgmlkgnY0iXNlY3AyNTZrMaECC2_24YYkYHEgdzxlSNKQEnHhuNAbNlMlWJxrJxbAFvA",
}
var client route53Client
changes := client.computeChanges("n", testTree1, testTree0)
if len(changes) > 0 {
t.Fatalf("wrong changes (got %d, want 0)", len(changes))
}
}
func sp(s string) *string { return &s }
func ip(i int64) *int64 { return &i }