From 97a602864a485bb3a79f460077052bd76cdbff99 Mon Sep 17 00:00:00 2001
From: zelig <viktor.tron@gmail.com>
Date: Tue, 31 Mar 2015 01:57:17 +0100
Subject: [PATCH] add common/resolver skeleton
---
common/resolver/resolver.go | 45 ++++++++++++++++++++++++++++++++
common/resolver/resolver_test.go | 17 ++++++++++++
2 files changed, 62 insertions(+)
create mode 100644 common/resolver/resolver.go
create mode 100644 common/resolver/resolver_test.go
diff --git a/common/resolver/resolver.go b/common/resolver/resolver.go
new file mode 100644
index 000000000..aa54a689b
--- /dev/null
+++ b/common/resolver/resolver.go
@@ -0,0 +1,45 @@
+package resolver
+
+import (
+ "fmt"
+ "net/url"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/xeth"
+)
+
+/*
+Resolver implements the Ethereum DNS mapping
+NameReg : Domain Name (or Code hash of Contract) -> Content Hash
+UrlHint : Content Hash -> Url Hint
+*/
+const (
+ urlHintContractAddress = "urlhint"
+ nameRegContractAddress = "nameReg"
+)
+
+type Resolver struct {
+ xeth *xeth.XEth
+}
+
+func (self *Resolver) NameToContentHash(name string) (hash common.Hash, err error) {
+ // look up in nameReg
+ copy(hash[:], []byte(name)[:32])
+ return
+}
+
+func (self *Resolver) ContentHashToUrl(hash common.Hash) (uri *url.URL, err error) {
+ // look up in nameReg
+ rawurl := fmt.Sprintf("bzz://%x/my/path/mycontract.sud", hash[:])
+ // mime type?
+ return url.Parse(rawurl)
+}
+
+func (self *Resolver) NameToUrl(name string) (uri *url.URL, err error) {
+ // look up in urlHint
+ hash, err := self.NameToContentHash(name)
+ if err != nil {
+ return
+ }
+ return self.ContentHashToUrl(hash)
+}
diff --git a/common/resolver/resolver_test.go b/common/resolver/resolver_test.go
new file mode 100644
index 000000000..ce0116664
--- /dev/null
+++ b/common/resolver/resolver_test.go
@@ -0,0 +1,17 @@
+package resolver
+
+import (
+ "testing"
+)
+
+func TestNameToContentHash(t *testing.T) {
+
+}
+
+func TestContentHashToUrl(t *testing.T) {
+
+}
+
+func TestNameToUrl(t *testing.T) {
+
+}
--
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