Update normalisation and add test cases.

Fixes #34

namehash.go

@@ -23,8 +23,10 @@ import (
 	"golang.org/x/crypto/sha3"
 )
 
-var p = idna.New(idna.MapForLookup(), idna.StrictDomainName(false), idna.Transitional(false))
-var pStrict = idna.New(idna.MapForLookup(), idna.StrictDomainName(true), idna.Transitional(false))
+var (
+	p       = idna.New(idna.MapForLookup(), idna.ValidateLabels(false), idna.CheckHyphens(false), idna.StrictDomainName(false), idna.Transitional(false))
+	pStrict = idna.New(idna.MapForLookup(), idna.ValidateLabels(false), idna.CheckHyphens(false), idna.StrictDomainName(true), idna.Transitional(false))
+)
 
 // Normalize normalizes a name according to the ENS rules.
 func Normalize(input string) (string, error) {

namehash_test.go

@@ -36,6 +36,34 @@ func TestNameHash(t *testing.T) {
 		{"bar.foo.eth", "275ae88e7263cdce5ab6cf296cdd6253f5e385353fe39cfff2dd4a2b14551cf3", nil},
 		{"Bar.foo.eth", "275ae88e7263cdce5ab6cf296cdd6253f5e385353fe39cfff2dd4a2b14551cf3", nil},
 		{"addr.reverse", "91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2", nil},
+		{"🚣‍♂️.eth", "37f681401d88093779de0c910da1f9437759c2181f61b5dbc9e3ef0d9f192513", nil},
+		{"vitalik.eth", "ee6c4522aab0003e8d14cd40a6af439055fd2577951148c14b6cea9a53475835", nil},
+		{"nIcK.eTh", "05a67c0ee82964c4f7394cdd47fee7f4d9503a23c09c38341779ea012afe6e00", nil},
+		{"brantly.cash", "3cb8d24c572869f7ec5ec5e882243b4790de146ac11267f58fd856d290b593db", nil},
+		{"🏴‍☠.art", "4696ec532b8c8bb20dcfa6ae6da710422611ea03fc77aebc0284d0f12c93f768", nil},
+		{"öbb.eth", "2774094517aaa884fc7183cf681150529b9acc7c9e7b71cf3a470200135a20b4", nil},
+		{"Öbb.eth", "2774094517aaa884fc7183cf681150529b9acc7c9e7b71cf3a470200135a20b4", nil},
+		{"💷pound.eth", "2df37f43de8b5ab870370770e78e4503ea1199e46c16db7a4a9320732dbb42bc", nil},
+		{"firstwrappedname.eth", "c44eec7fb870ae46d4ef4392d33fbbbdc164e7817a86289a1fe30e5f4d98ae85", nil},
+		{"A.™️.Ю", "f48b2941db0e23087a8922f81c0b7dd1b83fa06657080fd28986f9a19752a093", nil},
+		{"Ⅷ.eth", "a468899f828f5d80c85c0e538018ba6516713a06aa6d92e8482ee91886630ae9", nil},
+		{"⨌.eth", "f0b6090714f4ab523b1c574077018fe49dc934f9334d092e412b3802898b2cee", nil},
+		{"-test.test-.t-e--s---t", "0d26fe02b1eb3fdcd7db77a432c60b20d2d8c4ef9012ef06ad3ae7bf12adb225", nil},
+		{"te--st.eth", "bea7eca33545aacbf3d6f1512c119aa7f04506d61354001e7af31ba73374b2c3", nil},
+		{"__ab.eth", "b3edf1f0b8dc6168b65d034c76b5670813514ac8867115e63b51eb496f3791a0", nil},
+		{"a_b.eth", "b99946eaeb8a557bc6329faf95d1b885ba608393109cb9609440acc8e6761c4f", nil},
+		{"ß.eth", "86262f2349fb651f652e87141e6db5856cd6e40f92d0b9dc486aaf8f9c509cff", nil},
+		{"💩💩💩.eth", "a74feb0e5fa5606d3e650275e3bb3873b006a10d558389d3ce2abbe681fcfc8e", nil},
+		{"آٍَ.ऩँं", "a1e3d72c39aec7ebcf62906994da7adc76b8a3ffa27e52b838abb24569610146", nil},
+		{"פעילותהבינאום.eth", "7900040d82be5a569289b0f7b30266d796e1ded13293557ed061b39367357a62", nil},
+		{"ஶ்ரீ.ஸ்ரீ", "ef5f28b8adff4b9b86b67c40792ef314ecd92a2123a72185b1411835cce5c110", nil},
+		{"🇸🇦سلمان.eth", "3484f75c4dbf69503310126dbfc02eec224eab46851de2288092d58785670808", nil},
+		{"0a〇.黑a8", "d7bc21f0cb86cafe27ebafe8e788b1c63b736467c65611110575f385a4d01e1f", nil},
+		{"apple.дррӏе.аррӏе.aррӏе", "a5428a7fc57a099d7926ac7fa30169933df167acf3d8fba6f5830e6cf7442b31", nil},
+		{"۰۱۲۳۷۸۹.eth", "430bc5e65fd3122d45c00dbce4e8e1b51be675794e548f92558dc4cecafd6418", nil},
+		{"𓀀𓀁𓀂.eth", "36f75325f4013011b96014606224f03c77366d89caf480a1060d7453edaf5c98", nil},
+		{"𓆏➡🐸️.eth", "f2663423c7aadf794d6f84addcfee1f877458d86c20740954482094a20985228", nil},
+		{"ⒶⒷⒸⒹⒺⒻⒼⒽⒾⒿⓀⓁⓂⓃⓄⓅⓆⓇⓈⓉⓊⓋⓌⓍⓎⓏ.eth", "254a068876bdac64ad35425816bf444fbe9a26ec19287f47e663f928727ff69c", nil},
 	}
 
 	for _, tt := range tests {