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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package registrar
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 = common.StringToHash("1234")
hash = common.BytesToHash(crypto.Keccak256([]byte(text)))
url = "bzz://bzzhash/my/path/contr.act"
)
func NewTestBackend() *testBackend {
self := &testBackend{}
self.contracts = make(map[string](map[string]string))
return self
}
func (self *testBackend) initHashReg() {
self.contracts[HashRegAddr[2:]] = make(map[string]string)
key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:]))
self.contracts[HashRegAddr[2:]][key] = hash.Hex()
}
func (self *testBackend) initUrlHint() {
self.contracts[UrlHintAddr[2:]] = make(map[string]string)
mapaddr := storageMapping(storageIdx2Addr(1), hash[:])
key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0)))
self.contracts[UrlHintAddr[2:]][key] = common.ToHex([]byte(url))
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1)))
self.contracts[UrlHintAddr[2:]][key] = "0x0"
}
func (self *testBackend) StorageAt(ca, sa string) (res string) {
c := self.contracts[ca]
if c == nil {
return "0x0"
}
res = c[sa]
return
}
func (self *testBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
return "", nil
}
func (self *testBackend) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, string, error) {
return "", "", nil
}
func TestSetGlobalRegistrar(t *testing.T) {
b := NewTestBackend()
res := New(b)
_, err := res.SetGlobalRegistrar("addresshex", common.BigToAddress(common.Big1))
if err != nil {
t.Errorf("unexpected error: %v'", err)
}
}
func TestHashToHash(t *testing.T) {
b := NewTestBackend()
res := New(b)
HashRegAddr = "0x0"
got, err := res.HashToHash(codehash)
if err == nil {
t.Errorf("expected error")
} else {
exp := "HashReg address is not set"
if err.Error() != exp {
t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error())
}
}
HashRegAddr = common.BigToAddress(common.Big1).Hex() //[2:]
got, err = res.HashToHash(codehash)
if err == nil {
t.Errorf("expected error")
} else {
exp := "HashToHash: content hash not found for '" + codehash.Hex() + "'"
if err.Error() != exp {
t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error())
}
}
b.initHashReg()
got, err = res.HashToHash(codehash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if got != hash {
t.Errorf("incorrect result, expected '%v', got '%v'", hash.Hex(), got.Hex())
}
}
}
func TestHashToUrl(t *testing.T) {
b := NewTestBackend()
res := New(b)
UrlHintAddr = "0x0"
got, err := res.HashToUrl(hash)
if err == nil {
t.Errorf("expected error")
} else {
exp := "UrlHint address is not set"
if err.Error() != exp {
t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error())
}
}
UrlHintAddr = common.BigToAddress(common.Big2).Hex() //[2:]
got, err = res.HashToUrl(hash)
if err == nil {
t.Errorf("expected error")
} else {
exp := "HashToUrl: URL hint not found for '" + hash.Hex() + "'"
if err.Error() != exp {
t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error())
}
}
b.initUrlHint()
got, err = res.HashToUrl(hash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if got != url {
t.Errorf("incorrect result, expected '%v', got '%s'", url, got)
}
}
}
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