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(0, util_1.u8aConcat)(new Uint8Array(1), hd.secretKey, indexBuffer) : (0, util_1.u8aConcat)(hd.publicKey, indexBuffer);\n    try {\n      const I = (0, index_js_1.hmacShaAsU8a)(hd.chainCode, data, 512);\n      return createCoded((0, index_js_2.secp256k1PrivateKeyTweakAdd)(hd.secretKey, I.slice(0, 32)), I.slice(32));\n    } catch {\n      // In case parse256(IL) >= n or ki == 0, proceed with the next value for i\n      return deriveChild(hd, index + 1);\n    }\n  }\n  function hdEthereum(seed, path = '') {\n    const I = (0, index_js_1.hmacShaAsU8a)(MASTER_SECRET, seed, 512);\n    let hd = createCoded(I.slice(0, 32), I.slice(32));\n    if (!path || path === 'm' || path === 'M' || path === \"m'\" || path === \"M'\") {\n      return hd;\n    }\n    if (!(0, validatePath_js_1.hdValidatePath)(path)) {\n      throw new Error('Invalid derivation path');\n    }\n    const parts = path.split('/').slice(1);\n    for (const p of parts) {\n      hd = deriveChild(hd, parseInt(p, 10) + (p.length > 1 && p.endsWith(\"'\") ? validatePath_js_1.HARDENED : 0));\n    }\n    return hd;\n  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