privateKeyFromMnemonic static method
Implementation
static String privateKeyFromMnemonic(String mnemonic, {int childIndex = 0}) {
String seed = bip39.mnemonicToSeedHex(mnemonic);
bip32.BIP32 root = bip32.BIP32.fromSeed(HEX.decode(seed) as Uint8List);
bip32.BIP32 child = root.derivePath("m/44'/60'/0'/0/$childIndex");
String privateKey = HEX.encode(child.privateKey!);
return privateKey;
}