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authorzelig <viktor.tron@gmail.com>2015-04-01 19:29:16 +0800
committerzelig <viktor.tron@gmail.com>2015-04-20 03:57:49 +0800
commitac0e5e8b6de43a40bbc25f541aa2399202bbe420 (patch)
tree1f17675caec7ef387d19d6da167c13cd26eb4845 /common/resolver
parent3a540425a3d7fc29233b5cd3e7b79b4866f35d57 (diff)
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resolver tests
- add resolver tests and fix resolver to pass - statereg constructor fixed - comments added to natspec plus docserver integration for natspec userdoc fetching
Diffstat (limited to 'common/resolver')
-rw-r--r--common/resolver/resolver.go29
-rw-r--r--common/resolver/resolver_test.go64
2 files changed, 76 insertions, 17 deletions
diff --git a/common/resolver/resolver.go b/common/resolver/resolver.go
index f855aad73..ba592feb0 100644
--- a/common/resolver/resolver.go
+++ b/common/resolver/resolver.go
@@ -3,11 +3,9 @@ package resolver
import (
"encoding/binary"
"fmt"
- // "net/url"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
- "github.com/ethereum/go-ethereum/xeth"
)
/*
@@ -24,37 +22,40 @@ const (
)
type Resolver struct {
- xeth *xeth.XEth
+ backend Backend
urlHintContractAddress string
nameRegContractAddress string
}
-func New(_xeth *xeth.XEth, uhca, nrca string) *Resolver {
- return &Resolver{_xeth, uhca, nrca}
+type Backend interface {
+ StorageAt(string, string) string
}
-func (self *Resolver) NameToContentHash(name string) (hash common.Hash, err error) {
+func New(eth Backend, uhca, nrca string) *Resolver {
+ return &Resolver{eth, uhca, nrca}
+}
+
+func (self *Resolver) NameToContentHash(name string) (chash common.Hash, err error) {
// look up in nameReg
- hashbytes := self.xeth.StorageAt(self.nameRegContractAddress, storageAddress(0, common.Hex2Bytes(name)))
- copy(hash[:], hashbytes[:32])
+ key := storageAddress(0, common.Hex2Bytes(name))
+ hash := self.backend.StorageAt(self.nameRegContractAddress, key)
+ copy(chash[:], common.Hex2Bytes(hash))
return
}
-func (self *Resolver) ContentHashToUrl(hash common.Hash) (uri string, err error) {
+func (self *Resolver) ContentHashToUrl(chash common.Hash) (uri string, err error) {
// look up in nameReg
-
- urlHex := self.xeth.StorageAt(self.urlHintContractAddress, storageAddress(0, hash.Bytes()))
- uri = string(common.Hex2Bytes(urlHex))
+ key := storageAddress(0, chash[:])
+ uri = self.backend.StorageAt(self.urlHintContractAddress, key)
l := len(uri)
for (l > 0) && (uri[l-1] == 0) {
l--
}
uri = uri[:l]
+
if l == 0 {
err = fmt.Errorf("GetURLhint: URL hint not found")
}
- // rawurl := fmt.Sprintf("bzz://%x/my/path/mycontract.s ud", hash[:])
- // mime type?
return
}
diff --git a/common/resolver/resolver_test.go b/common/resolver/resolver_test.go
index ce0116664..a5b6c3b4f 100644
--- a/common/resolver/resolver_test.go
+++ b/common/resolver/resolver_test.go
@@ -2,16 +2,74 @@ package resolver
import (
"testing"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/crypto"
)
-func TestNameToContentHash(t *testing.T) {
+type testBackend struct {
+ // contracts mock
+ contracts map[string](map[string]string)
+}
+
+var (
+ text = "test"
+ codehash = 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[nameRegContractAddress] = make(map[string]string)
+ key := storageAddress(0, common.Hex2Bytes(codehash))
+ self.contracts[nameRegContractAddress][key] = hash
+
+ self.contracts[urlHintContractAddress] = make(map[string]string)
+ key = storageAddress(0, common.Hex2Bytes(hash))
+ self.contracts[urlHintContractAddress][key] = url
+ return self
}
-func TestContentHashToUrl(t *testing.T) {
+func (self *testBackend) StorageAt(ca, sa string) (res string) {
+ c := self.contracts[ca]
+ if c == nil {
+ return
+ }
+ res = c[sa]
+ return
+}
+func TestNameToContentHash(t *testing.T) {
+ b := NewTestBackend()
+ res := New(b, urlHintContractAddress, nameRegContractAddress)
+ got, err := res.NameToContentHash(codehash)
+ 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 TestNameToUrl(t *testing.T) {
+func TestContentHashToUrl(t *testing.T) {
+ b := NewTestBackend()
+ res := New(b, urlHintContractAddress, nameRegContractAddress)
+ chash := common.Hash{}
+ copy(chash[:], common.Hex2Bytes(hash))
+ 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 TestNameToUrl(t *testing.T) {
}