feat: support bip39 mnemonic for creating ecdsa keys (#211)

go.mod

@@ -13,8 +13,10 @@ require (
 	github.com/ethereum/go-ethereum v1.14.5
 	github.com/fatih/color v1.17.0
 	github.com/gocarina/gocsv v0.0.0-20240520201108-78e41c74b4b1
+	github.com/miguelmota/go-ethereum-hdwallet v0.1.2
 	github.com/posthog/posthog-go v0.0.0-20240327112532-87b23fe11103
 	github.com/stretchr/testify v1.9.0
+	github.com/tyler-smith/go-bip39 v1.1.0
 	github.com/urfave/cli/v2 v2.27.2
 	github.com/wagslane/go-password-validator v0.3.0
 	go.uber.org/mock v0.4.0
@@ -44,7 +46,10 @@ require (
 	github.com/bahlo/generic-list-go v0.2.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bits-and-blooms/bitset v1.10.0 // indirect
+	github.com/btcsuite/btcd v0.22.1 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
+	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce // indirect
 	github.com/buger/jsonparser v1.1.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/consensys/bavard v0.1.13 // indirect

go.sum

@@ -24,6 +24,7 @@ github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDO
 github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
 github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
 github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
+github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/attestantio/go-eth2-client v0.19.9 h1:g5LLX3X7cLC0KS0oai/MtxBOZz3U3QPIX5qryYMxgVE=
 github.com/attestantio/go-eth2-client v0.19.9/go.mod h1:TTz7YF6w4z6ahvxKiHuGPn6DbQn7gH6HPuWm/DEQeGE=
 github.com/aws/aws-sdk-go-v2 v1.26.1 h1:5554eUqIYVWpU0YmeeYZ0wU64H2VLBs8TlhRB2L+EkA=
@@ -64,10 +65,22 @@ github.com/bits-and-blooms/bitset v1.10.0 h1:ePXTeiPEazB5+opbv5fr8umg2R/1NlzgDsy
 github.com/bits-and-blooms/bitset v1.10.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
 github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM=
 github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ=
+github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
+github.com/btcsuite/btcd v0.22.1 h1:CnwP9LM/M9xuRrGSCGeMVs9iv09uMqwsVX7EeIpgV2c=
+github.com/btcsuite/btcd v0.22.1/go.mod h1:wqgTSL29+50LRkmOVknEdmt8ZojIzhuWvgu/iptuN7Y=
 github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
 github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
+github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce h1:YtWJF7RHm2pYCvA5t0RPmAaLUhREsKuKd+SLhxFbFeQ=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce/go.mod h1:0DVlHczLPewLcPGEIeUEzfOJhqGPQ0mJJRDBtD307+o=
+github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
+github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
+github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
+github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
+github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
 github.com/buger/jsonparser v1.1.1 h1:2PnMjfWD7wBILjqQbt530v576A/cAbQvEW9gGIpYMUs=
 github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
 github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
@@ -108,6 +121,7 @@ github.com/crate-crypto/go-kzg-4844 v1.0.0 h1:TsSgHwrkTKecKJ4kadtHi4b3xHW5dCFUDF
 github.com/crate-crypto/go-kzg-4844 v1.0.0/go.mod h1:1kMhvPgI0Ky3yIa+9lFySEBUBXkYxeOi8ZF1sYioxhc=
 github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
 github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
+github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
@@ -231,9 +245,12 @@ github.com/huin/goupnp v1.3.0/go.mod h1:gnGPsThkYa7bFi/KWmEysQRf48l2dvR5bxr2OFck
 github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
+github.com/jessevdk/go-flags v0.0.0-20141203071132-1679536dcc89/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
+github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlTRt3OuAQ=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNUXsshfwJMBgNA0RU6/i7WVaAegv3PtuIHPMs=
 github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
+github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
 github.com/klauspost/compress v1.17.1 h1:NE3C767s2ak2bweCZo3+rdP4U/HoyVXLv/X9f2gPS5g=
 github.com/klauspost/compress v1.17.1/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
 github.com/klauspost/cpuid/v2 v2.2.6 h1:ndNyv040zDGIDh8thGkXYjnFtiN02M1PVVF+JE/48xc=
@@ -271,6 +288,8 @@ github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZ
 github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b h1:j7+1HpAFS1zy5+Q4qx1fWh90gTKwiN4QCGoY9TWyyO4=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
+github.com/miguelmota/go-ethereum-hdwallet v0.1.2 h1:mz9LO6V7QCRkLYb0AH17t5R8KeqCe3E+hx9YXpmZeXA=
+github.com/miguelmota/go-ethereum-hdwallet v0.1.2/go.mod h1:fdNwFSoBFVBPnU0xpOd6l2ueqsPSH/Gch5kIvSvTGk8=
 github.com/minio/sha256-simd v1.0.1 h1:6kaan5IFmwTNynnKKpDHe6FWHohJOHhCPchzK49dzMM=
 github.com/minio/sha256-simd v1.0.1/go.mod h1:Pz6AKMiUdngCLpeTL/RJY1M9rUuPMYujV5xJjtbRSN8=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
@@ -295,10 +314,12 @@ github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+
 github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
+github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
 github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
 github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
 github.com/onsi/ginkgo/v2 v2.1.3/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
+github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
 github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
@@ -402,8 +423,10 @@ go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200115085410-6d4e4cb37c7d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
@@ -510,6 +533,7 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

pkg/keys/create.go

@@ -16,8 +16,12 @@ import (
 	"github.com/Layr-Labs/eigenlayer-cli/pkg/utils"
 	"github.com/Layr-Labs/eigensdk-go/crypto/bls"
 	sdkEcdsa "github.com/Layr-Labs/eigensdk-go/crypto/ecdsa"
+
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/crypto"
+
+	hdwallet "github.com/miguelmota/go-ethereum-hdwallet"
+	"github.com/tyler-smith/go-bip39"
 	"github.com/urfave/cli/v2"
 	passwordvalidator "github.com/wagslane/go-password-validator"
 )
@@ -75,11 +79,11 @@ This command will create keys in $HOME/.eigenlayer/operator_keys/ location
 
 			switch keyType {
 			case KeyTypeECDSA:
-				privateKey, err := crypto.GenerateKey()
+				privateKey, mnemonic, err := generateEcdsaKeyWithMnemonic()
 				if err != nil {
 					return err
 				}
-				return saveEcdsaKey(keyName, p, privateKey, insecure, stdInPassword, readFromPipe)
+				return saveEcdsaKey(keyName, p, privateKey, insecure, stdInPassword, readFromPipe, mnemonic)
 			case KeyTypeBLS:
 				blsKeyPair, err := bls.GenRandomBlsKeys()
 				if err != nil {
@@ -94,6 +98,41 @@ This command will create keys in $HOME/.eigenlayer/operator_keys/ location
 	return createCmd
 }
 
+func generateEcdsaKeyWithMnemonic() (*ecdsa.PrivateKey, string, error) {
+	// Generate entropy for mnemonic
+	entropy, err := bip39.NewEntropy(128)
+	if err != nil {
+		return nil, "", fmt.Errorf("failed to generate entropy: %v", err)
+	}
+
+	// Generate mnemonic
+	mnemonic, err := bip39.NewMnemonic(entropy)
+	if err != nil {
+		return nil, "", fmt.Errorf("failed to generate mnemonic: %v", err)
+	}
+
+	// Create HD wallet
+	wallet, err := hdwallet.NewFromMnemonic(mnemonic)
+	if err != nil {
+		return nil, "", fmt.Errorf("failed to create wallet from mnemonic: %v", err)
+	}
+
+	// Derive the Ethereum account using the standard derivation path
+	path := hdwallet.MustParseDerivationPath("m/44'/60'/0'/0/0")
+	account, err := wallet.Derive(path, false)
+	if err != nil {
+		return nil, "", fmt.Errorf("failed to derive account: %v", err)
+	}
+
+	// Get private key
+	privateKey, err := wallet.PrivateKey(account)
+	if err != nil {
+		return nil, "", fmt.Errorf("failed to get private key: %v", err)
+	}
+
+	return privateKey, mnemonic, nil
+}
+
 func validateKeyName(keyName string) error {
 	if len(keyName) == 0 {
 		return ErrEmptyKeyName
@@ -149,7 +188,7 @@ func saveBlsKey(
 	publicKeyHex := keyPair.PubKey.String()
 
 	fmt.Printf("\nKey location: %s\nPublic Key: %s\n\n", fileLoc, publicKeyHex)
-	return displayWithLess(privateKeyHex, KeyTypeBLS)
+	return displayWithLess(privateKeyHex, KeyTypeBLS, "")
 }
 
 func saveEcdsaKey(
@@ -159,6 +198,7 @@ func saveEcdsaKey(
 	insecure bool,
 	stdInPassword string,
 	readFromPipe bool,
+	mnemonic string,
 ) error {
 	homePath, err := os.UserHomeDir()
 	if err != nil {
@@ -203,7 +243,7 @@ func saveEcdsaKey(
 	address := crypto.PubkeyToAddress(*publicKeyECDSA).Hex()
 
 	fmt.Printf("\nKey location: %s\nPublic Key hex: %s\nEthereum Address: %s\n\n", fileLoc, publicKeyHex, address)
-	return displayWithLess(privateKeyHex, KeyTypeECDSA)
+	return displayWithLess(privateKeyHex, KeyTypeECDSA, mnemonic)
 }
 
 func padLeft(str string, length int) string {
@@ -213,7 +253,7 @@ func padLeft(str string, length int) string {
 	return str
 }
 
-func displayWithLess(privateKeyHex string, keyType string) error {
+func displayWithLess(privateKeyHex string, keyType string, mnemonic string) error {
 	var message, border, keyLine string
 	tabSpace := "    "
 
@@ -256,6 +296,29 @@ BLS Private Key (Hex):
 `, border, paddingLine, keyLine, paddingLine, border)
 	}
 
+	if mnemonic != "" {
+		// format mnemonic to be displayed in above format
+		mnemonicContent := tabSpace + mnemonic + tabSpace
+		borderLength := len(mnemonicContent) + 4
+		border = strings.Repeat("/", borderLength)
+		paddingLine := "//" + strings.Repeat(" ", borderLength-4) + "//"
+
+		keyLine = fmt.Sprintf("//%s//", mnemonicContent)
+		mnemonicDisplay := fmt.Sprintf(`
+Mnemonic:
+
+%s
+%s
+%s
+%s
+%s
+
+🔐 Please backup the above mnemonic in a safe place 🔒
+
+`, border, paddingLine, keyLine, paddingLine, border)
+		message = fmt.Sprintf("%s%s", message, mnemonicDisplay)
+	}
+
 	cmd := exec.Command("less", "-R")
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr

pkg/keys/import.go

@@ -70,7 +70,8 @@ This command will import keys in $HOME/.eigenlayer/operator_keys/ location
 				if err != nil {
 					return err
 				}
-				return saveEcdsaKey(keyName, p, privateKeyPair, insecure, stdInPassword, readFromPipe)
+				// TODO: Add support for mnemonic imports
+				return saveEcdsaKey(keyName, p, privateKeyPair, insecure, stdInPassword, readFromPipe, "")
 			case KeyTypeBLS:
 				privateKeyBigInt := new(big.Int)
 				_, ok := privateKeyBigInt.SetString(privateKey, 10)