Merge pull request #67 from spacemeshos/print-address

Print spacemesh wallet address

Author: lrettig

cmd/wallet.go

@@ -12,6 +12,7 @@ import (
 	"github.com/btcsuite/btcutil/base58"
 	"github.com/hashicorp/go-secure-stdlib/password"
 	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spacemeshos/go-spacemesh/common/types"
 	"github.com/spf13/cobra"
 
 	"github.com/spacemeshos/smcli/common"
@@ -36,6 +37,9 @@ var (
 
 	// useLedger indicates that the Ledger device should be used.
 	useLedger bool
+
+	// hrp is the human-readable network identifier used in Spacemesh network addresses.
+	hrp string
 )
 
 // walletCmd represents the wallet command.
@@ -196,29 +200,29 @@ only child keys).`,
 			// full key is 64 bytes which is 128 chars in hex, need to print at least this much
 			maxWidth = 150
 		}
-		// TODO: add spacemesh address format (bech32)
-		// https://github.com/spacemeshos/smcli/issues/38
 		if printPrivate {
 			t.AppendHeader(table.Row{
+				"address",
 				"pubkey",
 				"privkey",
 				"path",
 				"name",
 				"created",
 			})
 			t.SetColumnConfigs([]table.ColumnConfig{
-				{Number: 1, WidthMax: maxWidth, WidthMaxEnforcer: widthEnforcer},
 				{Number: 2, WidthMax: maxWidth, WidthMaxEnforcer: widthEnforcer},
+				{Number: 3, WidthMax: maxWidth, WidthMaxEnforcer: widthEnforcer},
 			})
 		} else {
 			t.AppendHeader(table.Row{
+				"address",
 				"pubkey",
 				"path",
 				"name",
 				"created",
 			})
 			t.SetColumnConfigs([]table.ColumnConfig{
-				{Number: 1, WidthMax: maxWidth, WidthMaxEnforcer: widthEnforcer},
+				{Number: 2, WidthMax: maxWidth, WidthMaxEnforcer: widthEnforcer},
 			})
 		}
 
@@ -241,6 +245,7 @@ only child keys).`,
 			if master != nil {
 				if printPrivate {
 					t.AppendRow(table.Row{
+						"N/A",
 						encoder(master.Public),
 						privKeyEncoder(master.Private),
 						master.Path.String(),
@@ -249,6 +254,7 @@ only child keys).`,
 					})
 				} else {
 					t.AppendRow(table.Row{
+						"N/A",
 						encoder(master.Public),
 						master.Path.String(),
 						master.DisplayName,
@@ -262,6 +268,7 @@ only child keys).`,
 		for _, a := range w.Secrets.Accounts {
 			if printPrivate {
 				t.AppendRow(table.Row{
+					wallet.PubkeyToAddress(a.Public, hrp),
 					encoder(a.Public),
 					privKeyEncoder(a.Private),
 					a.Path.String(),
@@ -270,6 +277,7 @@ only child keys).`,
 				})
 			} else {
 				t.AppendRow(table.Row{
+					wallet.PubkeyToAddress(a.Public, hrp),
 					encoder(a.Public),
 					a.Path.String(),
 					a.DisplayName,
@@ -289,6 +297,7 @@ func init() {
 	readCmd.Flags().BoolVarP(&printFull, "full", "f", false, "Print full keys (no abbreviation)")
 	readCmd.Flags().BoolVar(&printBase58, "base58", false, "Print keys in base58 (rather than hex)")
 	readCmd.Flags().BoolVar(&printParent, "parent", false, "Print parent key (not only child keys)")
+	readCmd.Flags().StringVar(&hrp, "hrp", types.NetworkHRP(), "Set human-readable address prefix")
 	readCmd.PersistentFlags().BoolVarP(&debug, "debug", "d", false, "enable debug mode")
 	createCmd.Flags().BoolVarP(&useLedger, "ledger", "l", false, "Create a wallet using a Ledger device")
 }

wallet/wallet.go

@@ -7,6 +7,9 @@ import (
 	"fmt"
 	"strings"
 
+	"github.com/spacemeshos/go-spacemesh/common/types"
+	"github.com/spacemeshos/go-spacemesh/genvm/core"
+	walletTemplate "github.com/spacemeshos/go-spacemesh/genvm/templates/wallet"
 	"github.com/tyler-smith/go-bip39"
 
 	"github.com/spacemeshos/smcli/common"
@@ -170,3 +173,12 @@ func accountsFromMaster(masterKeypair *EDKeyPair, masterSeed []byte, n int) (acc
 func (w *Wallet) Mnemonic() string {
 	return w.Secrets.Mnemonic
 }
+
+func PubkeyToAddress(pubkey []byte, hrp string) string {
+	types.SetNetworkHRP(hrp)
+	key := [ed25519.PublicKeySize]byte{}
+	copy(key[:], pubkey)
+	walletArgs := &walletTemplate.SpawnArguments{PublicKey: key}
+	walletAddress := core.ComputePrincipal(walletTemplate.TemplateAddress, walletArgs)
+	return walletAddress.String()
+}

wallet/wallet_test.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/spacemeshos/go-spacemesh/common/types"
 	"github.com/stretchr/testify/require"
 	"github.com/tyler-smith/go-bip39"
 )
@@ -88,6 +89,15 @@ func TestWalletFromGivenMnemonic(t *testing.T) {
 	// Sanity check that the keypair works with the standard ed25519 library
 	sig := ed25519.Sign(ed25519.PrivateKey(w.Secrets.Accounts[0].Private), msg)
 	require.True(t, ed25519.Verify(ed25519.PublicKey(w.Secrets.Accounts[0].Public), msg, sig))
+
+	// Test conversion to a Spacemesh wallet address
+	expAddress := "sm1qqqqqqz9rf583slhn38g6q6a562ctltv9fv5w8q2gdz9k"
+	address := PubkeyToAddress(w.Secrets.Accounts[0].Public, types.NetworkHRP())
+	require.Equal(t, expAddress, address)
+
+	expAddressTestnet := "stest1qqqqqqz9rf583slhn38g6q6a562ctltv9fv5w8qha56t0"
+	addressTestnet := PubkeyToAddress(w.Secrets.Accounts[0].Public, "stest")
+	require.Equal(t, expAddressTestnet, addressTestnet)
 }
 
 func TestKeysInWalletMaintainExpectedPath(t *testing.T) {