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| author | holisticode <holistic.computing@gmail.com> | 2017-04-13 17:06:19 +0800 |
|---|---|---|
| committer | Felix Lange <fjl@users.noreply.github.com> | 2017-04-13 17:06:19 +0800 |
| commit | 409b61fe3c8046dc26f3442846e9f7032bebb9c5 (patch) | |
| tree | 041d051d192165fdf1d56391ec63c67822492476 /swarm/swarm.go | |
| parent | d5d910e8b68f6c6b29ca85f5a9fa1b72b2cc08c1 (diff) | |
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swarm/api: better name resolver handling (#3754)
Fixes #3608
Diffstat (limited to 'swarm/swarm.go')
| -rw-r--r-- | swarm/swarm.go | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/swarm/swarm.go b/swarm/swarm.go index eedac93f3..442e68d51 100644 --- a/swarm/swarm.go +++ b/swarm/swarm.go @@ -27,6 +27,7 @@ import ( "github.com/ethereum/go-ethereum/contracts/chequebook" "github.com/ethereum/go-ethereum/contracts/ens" "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethclient" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/p2p" @@ -134,9 +135,13 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api. // set up high level api transactOpts := bind.NewKeyedTransactor(self.privateKey) - self.dns, err = ens.NewENS(transactOpts, config.EnsRoot, self.backend) - if err != nil { - return nil, err + if backend == (*ethclient.Client)(nil) { + log.Warn("No ENS, please specify non-empty --ethapi to use domain name resolution") + } else { + self.dns, err = ens.NewENS(transactOpts, config.EnsRoot, self.backend) + if err != nil { + return nil, err + } } log.Debug(fmt.Sprintf("-> Swarm Domain Name Registrar @ address %v", config.EnsRoot.Hex())) |