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Allow resolution of .eth names via .eth.link #6448

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merged 2 commits into from
Aug 5, 2019
Merged

Allow resolution of .eth names via .eth.link #6448

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1a9ff60
Allow resolution of .eth names via .eth.link
mcdee Jun 13, 2019
a7f322f
Add test for resolution of .eth names
mcdee Jul 4, 2019
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8 changes: 8 additions & 0 deletions namesys/namesys.go
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Original file line number Diff line number Diff line change
Expand Up @@ -80,13 +80,21 @@ func (ns *mpns) ResolveAsync(ctx context.Context, name string, options ...opts.R
return resolveAsync(ctx, ns, name, opts.ProcessOpts(options))
}

const ethTLD = ".eth"
const linkTLD = ".link"

// resolveOnce implements resolver.
func (ns *mpns) resolveOnceAsync(ctx context.Context, name string, options opts.ResolveOpts) <-chan onceResult {
out := make(chan onceResult, 1)

if !strings.HasPrefix(name, ipnsPrefix) {
name = ipnsPrefix + name
}
if strings.HasSuffix(name, ethTLD) {
// This is an ENS name. As we're resolving via an arbitrary DNS server
// that may not know about .eth we need to add our link domain suffix.
name = name + linkTLD
}
segments := strings.SplitN(name, "/", 4)
if len(segments) < 3 || segments[0] != "" {
log.Debugf("invalid name syntax for %s", name)
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6 changes: 5 additions & 1 deletion namesys/namesys_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -51,14 +51,16 @@ func mockResolverOne() *mockResolver {
"QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy": "/ipfs/Qmcqtw8FfrVSBaRmbWwHxt3AuySBhJLcvmFYi3Lbc4xnwj",
"QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n": "/ipns/QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy",
"QmY3hE8xgFCjGcz6PHgnvJz5HZi1BaKRfPkn1ghZUcYMjD": "/ipns/ipfs.io",
"QmQ4QZh8nrsczdUEwTyfBope4THUhqxqc1fx6qYhhzZQei": "/ipfs/QmP3ouCnU8NNLsW6261pAx2pNLV2E4dQoisB1sgda12Act",
},
}
}

func mockResolverTwo() *mockResolver {
return &mockResolver{
entries: map[string]string{
"ipfs.io": "/ipns/QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n",
"ipfs.io": "/ipns/QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n",
"www.wealdtech.eth.link": "/ipns/QmQ4QZh8nrsczdUEwTyfBope4THUhqxqc1fx6qYhhzZQei",
},
}
}
Expand All @@ -80,6 +82,8 @@ func TestNamesysResolution(t *testing.T) {
testResolution(t, r, "/ipns/QmY3hE8xgFCjGcz6PHgnvJz5HZi1BaKRfPkn1ghZUcYMjD", 1, "/ipns/ipfs.io", ErrResolveRecursion)
testResolution(t, r, "/ipns/QmY3hE8xgFCjGcz6PHgnvJz5HZi1BaKRfPkn1ghZUcYMjD", 2, "/ipns/QmbCMUZw6JFeZ7Wp9jkzbye3Fzp2GGcPgC3nmeUjfVF87n", ErrResolveRecursion)
testResolution(t, r, "/ipns/QmY3hE8xgFCjGcz6PHgnvJz5HZi1BaKRfPkn1ghZUcYMjD", 3, "/ipns/QmatmE9msSfkKxoffpHwNLNKgwZG8eT9Bud6YoPab52vpy", ErrResolveRecursion)
testResolution(t, r, "/ipns/www.wealdtech.eth", 1, "/ipns/QmQ4QZh8nrsczdUEwTyfBope4THUhqxqc1fx6qYhhzZQei", ErrResolveRecursion)
testResolution(t, r, "/ipns/www.wealdtech.eth", 2, "/ipfs/QmP3ouCnU8NNLsW6261pAx2pNLV2E4dQoisB1sgda12Act", nil)
}

func TestPublishWithCache0(t *testing.T) {
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