package resolver import ( "testing" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/crypto" ) type testBackend struct { // contracts mock contracts map[string](map[string]string) } var ( text = "test" codehash = "1234" //common.RightPadString("1234", 64) hash = common.Bytes2Hex(crypto.Sha3([]byte(text))) url = "bzz://bzzhash/my/path/contr.act" ) func NewTestBackend() *testBackend { self := &testBackend{} self.contracts = make(map[string](map[string]string)) self.contracts["0x"+HashRegContractAddress] = make(map[string]string) key := storageAddress(1, common.Hex2BytesFixed(codehash, 32)) self.contracts["0x"+HashRegContractAddress][key] = "0x" + hash self.contracts["0x"+URLHintContractAddress] = make(map[string]string) key = storageAddress(1, common.Hex2BytesFixed(hash, 32)) self.contracts["0x"+URLHintContractAddress][key] = "0x" + common.Bytes2Hex([]byte(url)) return self } func (self *testBackend) StorageAt(ca, sa string) (res string) { c := self.contracts[ca] if c == nil { return } res = c[sa] return } func TestKeyToContentHash(t *testing.T) { b := NewTestBackend() res := New(b, URLHintContractAddress, HashRegContractAddress) chash := common.Hash{} copy(chash[:], common.Hex2BytesFixed(codehash, 32)) got, err := res.KeyToContentHash(chash) if err != nil { t.Errorf("expected no error, got %v", err) } else { if common.Bytes2Hex(got[:]) != hash { t.Errorf("incorrect result, expected %x, got %x: ", hash, common.Bytes2Hex(got[:])) } } } func TestContentHashToUrl(t *testing.T) { b := NewTestBackend() res := New(b, URLHintContractAddress, HashRegContractAddress) chash := common.Hash{} copy(chash[:], common.Hex2BytesFixed(hash, 32)) got, err := res.ContentHashToUrl(chash) if err != nil { t.Errorf("expected no error, got %v", err) } else { if string(got[:]) != url { t.Errorf("incorrect result, expected %v, got %s: ", url, string(got[:])) } } } func TestKeyToUrl(t *testing.T) { }