feat(core/btc): add btc account derviate

core/btc/account_derivation.go

@@ -0,0 +1,32 @@
+package btc
+
+import (
+ "github.com/btcsuite/btcd/btcec/v2"
+ "github.com/btcsuite/btcd/btcutil/hdkeychain"
+ "github.com/btcsuite/btcd/chaincfg"
+ "github.com/ethereum/go-ethereum/accounts"
+ "github.com/tyler-smith/go-bip39"
+)
+
+func Derivation(mnemonic string, path string) (*btcec.PrivateKey, error) {
+ seed, err := bip39.NewSeedWithErrorChecking(mnemonic, "")
+ if err != nil {
+ return nil, err
+ }
+ masterKey, err := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams)
+ if err != nil {
+ return nil, err
+ }
+ dPath, err := accounts.ParseDerivationPath(path)
+ if err != nil {
+ return nil, err
+ }
+ key := masterKey
+ for _, n := range dPath {
+ key, err = key.Derive(n)
+ if err != nil {
+ return nil, err
+ }
+ }
+ return key.ECPrivKey()
+}