diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/swarm/config.go | 31 | ||||
-rw-r--r-- | cmd/swarm/main.go | 74 |
2 files changed, 34 insertions, 71 deletions
diff --git a/cmd/swarm/config.go b/cmd/swarm/config.go index 33235ca06..9931b12a2 100644 --- a/cmd/swarm/config.go +++ b/cmd/swarm/config.go @@ -23,6 +23,7 @@ import ( "os" "reflect" "strconv" + "strings" "unicode" cli "gopkg.in/urfave/cli.v1" @@ -194,12 +195,20 @@ func cmdLineOverride(currentConfig *bzzapi.Config, ctx *cli.Context) *bzzapi.Con utils.Fatalf(SWARM_ERR_SWAP_SET_NO_API) } - //EnsApi can be set to "", so can't check for empty string, as it is allowed! + //EnsAPIs can be set to "", so can't check for empty string, as it is allowed! if ctx.GlobalIsSet(EnsAPIFlag.Name) { - currentConfig.EnsApi = ctx.GlobalString(EnsAPIFlag.Name) + ensAPIs := ctx.GlobalStringSlice(EnsAPIFlag.Name) + // Disable ENS resolver if --ens-api="" is specified + if len(ensAPIs) == 1 && ensAPIs[0] == "" { + currentConfig.EnsDisabled = true + currentConfig.EnsAPIs = nil + } else { + currentConfig.EnsDisabled = false + currentConfig.EnsAPIs = ensAPIs + } } - if ensaddr := ctx.GlobalString(EnsAddrFlag.Name); ensaddr != "" { + if ensaddr := ctx.GlobalString(DeprecatedEnsAddrFlag.Name); ensaddr != "" { currentConfig.EnsRoot = common.HexToAddress(ensaddr) } @@ -266,9 +275,17 @@ func envVarsOverride(currentConfig *bzzapi.Config) (config *bzzapi.Config) { utils.Fatalf(SWARM_ERR_SWAP_SET_NO_API) } - //EnsApi can be set to "", so can't check for empty string, as it is allowed + //EnsAPIs can be set to "", so can't check for empty string, as it is allowed if ensapi, exists := os.LookupEnv(SWARM_ENV_ENS_API); exists { - currentConfig.EnsApi = ensapi + ensAPIs := strings.Split(ensapi, ",") + // Disable ENS resolver if SWARM_ENS_API="" is specified + if len(ensAPIs) == 0 { + currentConfig.EnsDisabled = true + currentConfig.EnsAPIs = nil + } else { + currentConfig.EnsDisabled = false + currentConfig.EnsAPIs = ensAPIs + } } if ensaddr := os.Getenv(SWARM_ENV_ENS_ADDR); ensaddr != "" { @@ -309,6 +326,10 @@ func checkDeprecated(ctx *cli.Context) { if ctx.GlobalString(DeprecatedEthAPIFlag.Name) != "" { utils.Fatalf("--ethapi is no longer a valid command line flag, please use --ens-api and/or --swap-api.") } + // warn if --ens-api flag is set + if ctx.GlobalString(DeprecatedEnsAddrFlag.Name) != "" { + log.Warn("--ens-addr is no longer a valid command line flag, please use --ens-api to specify contract address.") + } } //print a Config as string diff --git a/cmd/swarm/main.go b/cmd/swarm/main.go index 77315a426..4b0823796 100644 --- a/cmd/swarm/main.go +++ b/cmd/swarm/main.go @@ -17,11 +17,9 @@ package main import ( - "context" "crypto/ecdsa" "fmt" "io/ioutil" - "math/big" "os" "os/signal" "runtime" @@ -29,14 +27,12 @@ import ( "strconv" "strings" "syscall" - "time" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/accounts/keystore" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/console" - "github.com/ethereum/go-ethereum/contracts/ens" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethclient" "github.com/ethereum/go-ethereum/internal/debug" @@ -45,7 +41,6 @@ import ( "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/p2p/discover" "github.com/ethereum/go-ethereum/params" - "github.com/ethereum/go-ethereum/rpc" "github.com/ethereum/go-ethereum/swarm" bzzapi "github.com/ethereum/go-ethereum/swarm/api" @@ -110,16 +105,11 @@ var ( Usage: "Swarm Syncing enabled (default true)", EnvVar: SWARM_ENV_SYNC_ENABLE, } - EnsAPIFlag = cli.StringFlag{ + EnsAPIFlag = cli.StringSliceFlag{ Name: "ens-api", - Usage: "URL of the Ethereum API provider to use for ENS record lookups", + Usage: "ENS API endpoint for a TLD and with contract address, can be repeated, format [tld:][contract-addr@]url", EnvVar: SWARM_ENV_ENS_API, } - EnsAddrFlag = cli.StringFlag{ - Name: "ens-addr", - Usage: "ENS contract address (default is detected as testnet or mainnet using --ens-api)", - EnvVar: SWARM_ENV_ENS_ADDR, - } SwarmApiFlag = cli.StringFlag{ Name: "bzzapi", Usage: "Swarm HTTP endpoint", @@ -156,6 +146,10 @@ var ( Name: "ethapi", Usage: "DEPRECATED: please use --ens-api and --swap-api", } + DeprecatedEnsAddrFlag = cli.StringFlag{ + Name: "ens-addr", + Usage: "DEPRECATED: ENS contract address, please use --ens-api with contract address according to its format", + } ) //declare a few constant error messages, useful for later error check comparisons in test @@ -343,7 +337,6 @@ DEPRECATED: use 'swarm db clean'. // bzzd-specific flags CorsStringFlag, EnsAPIFlag, - EnsAddrFlag, SwarmTomlConfigPathFlag, SwarmConfigPathFlag, SwarmSwapEnabledFlag, @@ -363,6 +356,7 @@ DEPRECATED: use 'swarm db clean'. SwarmUploadMimeType, //deprecated flags DeprecatedEthAPIFlag, + DeprecatedEnsAddrFlag, } app.Flags = append(app.Flags, debug.Flags...) app.Before = func(ctx *cli.Context) error { @@ -448,38 +442,6 @@ func bzzd(ctx *cli.Context) error { return nil } -// detectEnsAddr determines the ENS contract address by getting both the -// version and genesis hash using the client and matching them to either -// mainnet or testnet addresses -func detectEnsAddr(client *rpc.Client) (common.Address, error) { - ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) - defer cancel() - - var version string - if err := client.CallContext(ctx, &version, "net_version"); err != nil { - return common.Address{}, err - } - - block, err := ethclient.NewClient(client).BlockByNumber(ctx, big.NewInt(0)) - if err != nil { - return common.Address{}, err - } - - switch { - - case version == "1" && block.Hash() == params.MainnetGenesisHash: - log.Info("using Mainnet ENS contract address", "addr", ens.MainNetAddress) - return ens.MainNetAddress, nil - - case version == "3" && block.Hash() == params.TestnetGenesisHash: - log.Info("using Testnet ENS contract address", "addr", ens.TestNetAddress) - return ens.TestNetAddress, nil - - default: - return common.Address{}, fmt.Errorf("unknown version and genesis hash: %s %s", version, block.Hash()) - } -} - func registerBzzService(bzzconfig *bzzapi.Config, ctx *cli.Context, stack *node.Node) { //define the swarm service boot function @@ -494,27 +456,7 @@ func registerBzzService(bzzconfig *bzzapi.Config, ctx *cli.Context, stack *node. } } - var ensClient *ethclient.Client - if bzzconfig.EnsApi != "" { - log.Info("connecting to ENS API", "url", bzzconfig.EnsApi) - client, err := rpc.Dial(bzzconfig.EnsApi) - if err != nil { - return nil, fmt.Errorf("error connecting to ENS API %s: %s", bzzconfig.EnsApi, err) - } - ensClient = ethclient.NewClient(client) - - //no ENS root address set yet - if bzzconfig.EnsRoot == (common.Address{}) { - ensAddr, err := detectEnsAddr(client) - if err == nil { - bzzconfig.EnsRoot = ensAddr - } else { - log.Warn(fmt.Sprintf("could not determine ENS contract address, using default %s", bzzconfig.EnsRoot), "err", err) - } - } - } - - return swarm.NewSwarm(ctx, swapClient, ensClient, bzzconfig, bzzconfig.SwapEnabled, bzzconfig.SyncEnabled, bzzconfig.Cors) + return swarm.NewSwarm(ctx, swapClient, bzzconfig) } //register within the ethereum node if err := stack.Register(boot); err != nil { |