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frostfs-contract
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[#180] nns: allow hyphen in names 

Both amazon bucket naming rules and DNS label names prohibit hyphen as
first or last character, but allow it in the middle.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
enable-notary-in-public-chains
Evgenii Stratonikov 2021-11-26 17:05:06 +03:00 committed by Alex Vanin
parent f0868c89fd
commit c7a02f0259
2 changed files with 16 additions and 3 deletions
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8
nns/nns_contract.go
View File

@ -687,6 +687,8 @@ func checkCommittee() {
}
// checkFragment validates root or a part of domain name.
// 1. Root domain must start with a letter.
// 2. All other fragments must start and end in a letter or a digit.
func checkFragment(v string, isRoot bool) bool {
maxLength := maxDomainNameFragmentLength
if isRoot {
@ -705,12 +707,12 @@ func checkFragment(v string, isRoot bool) bool {
return false
}
}
for i := 1; i < len(v); i++ {
if !isAlNum(v[i]) {
for i := 1; i < len(v)-1; i++ {
if v[i] != '-' && !isAlNum(v[i]) {
return false
}
}
return true
return isAlNum(v[len(v)-1])
}
// isAlNum checks whether provided char is a lowercase letter or a number.

11
tests/nns_test.go
View File

@ -82,6 +82,17 @@ func TestNNSRegister(t *testing.T) {
"myemail@nspcc.ru", refresh, retry, expire, ttl)
c3 := c.WithSigners(accTop, acc)
t.Run("domain names with hyphen", func(t *testing.T) {
c3.InvokeFail(t, "invalid domain name format", "register",
"-testdomain.com", acc.ScriptHash(),
"myemail@nspcc.ru", refresh, retry, expire, ttl)
c3.InvokeFail(t, "invalid domain name format", "register",
"testdomain-.com", acc.ScriptHash(),
"myemail@nspcc.ru", refresh, retry, expire, ttl)
c3.Invoke(t, true, "register",
"test-domain.com", acc.ScriptHash(),
"myemail@nspcc.ru", refresh, retry, expire, ttl)
})
c3.Invoke(t, true, "register",
"testdomain.com", acc.ScriptHash(),
"myemail@nspcc.ru", refresh, retry, expire, ttl)