plugeth/common/resolver/resolver_test.go

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package resolver
import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
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)
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)
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key := storageAddress(storageMapping(storageIdx2Addr(1), common.Hex2BytesFixed(codehash, 32)))
self.contracts["0x"+HashRegContractAddress][key] = "0x" + hash
self.contracts["0x"+URLHintContractAddress] = make(map[string]string)
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mapaddr := storageMapping(storageIdx2Addr(1), common.Hex2BytesFixed(hash, 32))
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0)))
self.contracts["0x"+URLHintContractAddress][key] = "0x" + common.Bytes2Hex([]byte(url))
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key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1)))
self.contracts["0x"+URLHintContractAddress][key] = "0x00"
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return self
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}
func (self *testBackend) StorageAt(ca, sa string) (res string) {
c := self.contracts[ca]
if c == nil {
return
}
res = c[sa]
return
}
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func TestKeyToContentHash(t *testing.T) {
b := NewTestBackend()
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res := New(b, URLHintContractAddress, HashRegContractAddress)
chash := common.Hash{}
copy(chash[:], common.Hex2BytesFixed(codehash, 32))
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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[:]))
}
}
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}
func TestContentHashToUrl(t *testing.T) {
b := NewTestBackend()
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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[:]))
}
}
}
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func TestKeyToUrl(t *testing.T) {
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}