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* bump btcd for security fix Solution: - update cosmos-sdk to 0.46.11 - bump btcd * remove go-ethereum-hdwallet dependency * gomod2nix * miss file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| // NOTE: This code is being used as test helper functions. | ||
| package hd | ||
|
|
||
| import ( | ||
| "crypto/ecdsa" | ||
| "errors" | ||
| "os" | ||
| "sync" | ||
|
|
||
| "github.com/ethereum/go-ethereum/accounts" | ||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/crypto" | ||
|
|
||
| "github.com/btcsuite/btcd/btcutil/hdkeychain" | ||
| "github.com/btcsuite/btcd/chaincfg" | ||
| bip39 "github.com/tyler-smith/go-bip39" | ||
| ) | ||
|
|
||
| const issue179FixEnvar = "GO_ETHEREUM_HDWALLET_FIX_ISSUE_179" | ||
|
|
||
| // Wallet is the underlying wallet struct. | ||
| type Wallet struct { | ||
| mnemonic string | ||
| masterKey *hdkeychain.ExtendedKey | ||
| seed []byte | ||
| paths map[common.Address]accounts.DerivationPath | ||
| accounts []accounts.Account | ||
| stateLock sync.RWMutex | ||
| fixIssue172 bool | ||
| } | ||
|
|
||
| // NewFromMnemonic returns a new wallet from a BIP-39 mnemonic. | ||
| func NewFromMnemonic(mnemonic string) (*Wallet, error) { | ||
| if mnemonic == "" { | ||
| return nil, errors.New("mnemonic is required") | ||
| } | ||
|
|
||
| if !bip39.IsMnemonicValid(mnemonic) { | ||
| return nil, errors.New("mnemonic is invalid") | ||
| } | ||
|
|
||
| seed, err := NewSeedFromMnemonic(mnemonic) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| wallet, err := newWallet(seed) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| wallet.mnemonic = mnemonic | ||
|
|
||
| return wallet, nil | ||
| } | ||
|
|
||
| // NewSeedFromMnemonic returns a BIP-39 seed based on a BIP-39 mnemonic. | ||
| func NewSeedFromMnemonic(mnemonic string) ([]byte, error) { | ||
| if mnemonic == "" { | ||
| return nil, errors.New("mnemonic is required") | ||
| } | ||
|
|
||
| return bip39.NewSeedWithErrorChecking(mnemonic, "") | ||
| } | ||
|
|
||
| func newWallet(seed []byte) (*Wallet, error) { | ||
| masterKey, err := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &Wallet{ | ||
| masterKey: masterKey, | ||
| seed: seed, | ||
| accounts: []accounts.Account{}, | ||
| paths: map[common.Address]accounts.DerivationPath{}, | ||
| fixIssue172: false || len(os.Getenv(issue179FixEnvar)) > 0, | ||
| }, nil | ||
| } | ||
|
|
||
| // Derive implements accounts.Wallet, deriving a new account at the specific | ||
| // derivation path. If pin is set to true, the account will be added to the list | ||
| // of tracked accounts. | ||
| func (w *Wallet) Derive(path accounts.DerivationPath, pin bool) (accounts.Account, error) { | ||
| // Try to derive the actual account and update its URL if successful | ||
| w.stateLock.RLock() // Avoid device disappearing during derivation | ||
|
|
||
| address, err := w.deriveAddress(path) | ||
|
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| w.stateLock.RUnlock() | ||
|
|
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| // If an error occurred or no pinning was requested, return | ||
| if err != nil { | ||
| return accounts.Account{}, err | ||
| } | ||
|
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||
| account := accounts.Account{ | ||
| Address: address, | ||
| URL: accounts.URL{ | ||
| Scheme: "", | ||
| Path: path.String(), | ||
| }, | ||
| } | ||
|
|
||
| if !pin { | ||
| return account, nil | ||
| } | ||
|
|
||
| // Pinning needs to modify the state | ||
| w.stateLock.Lock() | ||
| defer w.stateLock.Unlock() | ||
|
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||
| if _, ok := w.paths[address]; !ok { | ||
| w.accounts = append(w.accounts, account) | ||
| w.paths[address] = path | ||
| } | ||
|
|
||
| return account, nil | ||
| } | ||
|
|
||
| // MustParseDerivationPath parses the derivation path in string format into | ||
| // []uint32 but will panic if it can't parse it. | ||
| func MustParseDerivationPath(path string) accounts.DerivationPath { | ||
| parsed, err := accounts.ParseDerivationPath(path) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| return parsed | ||
| } | ||
|
|
||
| // DerivePrivateKey derives the private key of the derivation path. | ||
| func (w *Wallet) derivePrivateKey(path accounts.DerivationPath) (*ecdsa.PrivateKey, error) { | ||
| var err error | ||
| key := w.masterKey | ||
| for _, n := range path { | ||
| if w.fixIssue172 && key.IsAffectedByIssue172() { | ||
| key, err = key.Derive(n) | ||
| } else { | ||
| //lint:ignore SA1019 this is used for testing only | ||
| //nolint:all | ||
| key, err = key.DeriveNonStandard(n) | ||
| } | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
|
|
||
| privateKey, err := key.ECPrivKey() | ||
| privateKeyECDSA := privateKey.ToECDSA() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return privateKeyECDSA, nil | ||
| } | ||
|
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||
| // derivePublicKey derives the public key of the derivation path. | ||
| func (w *Wallet) derivePublicKey(path accounts.DerivationPath) (*ecdsa.PublicKey, error) { | ||
| privateKeyECDSA, err := w.derivePrivateKey(path) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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||
| publicKey := privateKeyECDSA.Public() | ||
| publicKeyECDSA, ok := publicKey.(*ecdsa.PublicKey) | ||
| if !ok { | ||
| return nil, errors.New("failed to get public key") | ||
| } | ||
|
|
||
| return publicKeyECDSA, nil | ||
| } | ||
|
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| // DeriveAddress derives the account address of the derivation path. | ||
| func (w *Wallet) deriveAddress(path accounts.DerivationPath) (common.Address, error) { | ||
| publicKeyECDSA, err := w.derivePublicKey(path) | ||
| if err != nil { | ||
| return common.Address{}, err | ||
| } | ||
|
|
||
| address := crypto.PubkeyToAddress(*publicKeyECDSA) | ||
| return address, nil | ||
| } |
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