accounts, cmd, internal, mobile, node: canonical account URLs

2 files changed, 18 insertions, 19 deletions

diff --git a/accounts/usbwallet/ledger_hub.go b/accounts/usbwallet/ledger_hub.go
index ebd6fddb4..bd397249f 100644
--- a/accounts/usbwallet/ledger_hub.go
+++ b/accounts/usbwallet/ledger_hub.go
@@ -32,6 +32,9 @@ import (
 	"github.com/karalabe/gousb/usb"
 )
 
+// LedgerScheme is the protocol scheme prefixing account and wallet URLs.
+var LedgerScheme = "ledger"
+
 // ledgerDeviceIDs are the known device IDs that Ledger wallets use.
 var ledgerDeviceIDs = []deviceID{
 	{Vendor: 0x2c97, Product: 0x0000}, // Ledger Blue
@@ -124,23 +127,24 @@ func (hub *LedgerHub) refreshWallets() {
 
 	for i := 0; i < len(devIDs); i++ {
 		devID, busID := devIDs[i], busIDs[i]
-		url := fmt.Sprintf("ledger://%03d:%03d", busID>>8, busID&0xff)
+
+		url := accounts.URL{Scheme: LedgerScheme, Path: fmt.Sprintf("%03d:%03d", busID>>8, busID&0xff)}
 
 		// Drop wallets while they were in front of the next account
-		for len(hub.wallets) > 0 && hub.wallets[0].URL() < url {
+		for len(hub.wallets) > 0 && hub.wallets[0].URL().Cmp(url) < 0 {
 			events = append(events, accounts.WalletEvent{Wallet: hub.wallets[0], Arrive: false})
 			hub.wallets = hub.wallets[1:]
 		}
 		// If there are no more wallets or the account is before the next, wrap new wallet
-		if len(hub.wallets) == 0 || hub.wallets[0].URL() > url {
-			wallet := &ledgerWallet{context: hub.ctx, hardwareID: devID, locationID: busID, url: url}
+		if len(hub.wallets) == 0 || hub.wallets[0].URL().Cmp(url) > 0 {
+			wallet := &ledgerWallet{context: hub.ctx, hardwareID: devID, locationID: busID, url: &url}
 
 			events = append(events, accounts.WalletEvent{Wallet: wallet, Arrive: true})
 			wallets = append(wallets, wallet)
 			continue
 		}
 		// If the account is the same as the first wallet, keep it
-		if hub.wallets[0].URL() == url {
+		if hub.wallets[0].URL().Cmp(url) == 0 {
 			wallets = append(wallets, hub.wallets[0])
 			hub.wallets = hub.wallets[1:]
 			continue
diff --git a/accounts/usbwallet/ledger_wallet.go b/accounts/usbwallet/ledger_wallet.go
index 35e671c46..f712a503f 100644
--- a/accounts/usbwallet/ledger_wallet.go
+++ b/accounts/usbwallet/ledger_wallet.go
@@ -72,10 +72,10 @@ const (
 
 // ledgerWallet represents a live USB Ledger hardware wallet.
 type ledgerWallet struct {
-	context    *usb.Context // USB context to interface libusb through
-	hardwareID deviceID     // USB identifiers to identify this device type
-	locationID uint16       // USB bus and address to identify this device instance
-	url        string       // Textual URL uniquely identifying this wallet
+	context    *usb.Context  // USB context to interface libusb through
+	hardwareID deviceID      // USB identifiers to identify this device type
+	locationID uint16        // USB bus and address to identify this device instance
+	url        *accounts.URL // Textual URL uniquely identifying this wallet
 
 	device  *usb.Device  // USB device advertising itself as a Ledger wallet
 	input   usb.Endpoint // Input endpoint to send data to this device
@@ -90,14 +90,9 @@ type ledgerWallet struct {
 	lock sync.RWMutex
 }
 
-// Type implements accounts.Wallet, returning the textual type of the wallet.
-func (w *ledgerWallet) Type() string {
-	return "ledger"
-}
-
 // URL implements accounts.Wallet, returning the URL of the Ledger device.
-func (w *ledgerWallet) URL() string {
-	return w.url
+func (w *ledgerWallet) URL() accounts.URL {
+	return *w.url
 }
 
 // Status implements accounts.Wallet, always whether the Ledger is opened, closed
@@ -113,9 +108,9 @@ func (w *ledgerWallet) Status() string {
 		return "Closed"
 	}
 	if w.version == [3]byte{0, 0, 0} {
-		return "Ethereum app not started"
+		return "Ethereum app offline"
 	}
-	return fmt.Sprintf("Ethereum app v%d.%d.%d", w.version[0], w.version[1], w.version[2])
+	return fmt.Sprintf("Ethereum app v%d.%d.%d online", w.version[0], w.version[1], w.version[2])
 }
 
 // Open implements accounts.Wallet, attempting to open a USB connection to the
@@ -309,7 +304,7 @@ func (w *ledgerWallet) Derive(path string, pin bool) (accounts.Account, error) {
 	}
 	account := accounts.Account{
 		Address: address,
-		URL:     fmt.Sprintf("%s/%s", w.url, path),
+		URL:     accounts.URL{Scheme: w.url.Scheme, Path: fmt.Sprintf("%s/%s", w.url.Path, path)},
 	}
 	// If pinning was requested, track the account
 	if pin {