How to use the mnemonicToEntropy function from bip39

Find comprehensive JavaScript bip39.mnemonicToEntropy code examples handpicked from public code repositorys.

bip39.mnemonicToEntropy is a function that converts a BIP39 mnemonic phrase to its corresponding binary entropy value.

authSlice.js

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}


export const checksumVaildateAction = (mnemonics) => {
  return mnemonics.filter(mnemonic => {
    try {
      bip39.mnemonicToEntropy(mnemonic);
      return true;
      // console.log(mnemonic, ':', 'valid')
    } catch (err) {
      // console.log(mnemonic, ':', 'invalid mnemonic');

+ 3 other calls in file

nami.js

GitHub: eric248550/gov3-website

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        // "address_testnet": baseAddr_testnet.to_address().to_bech32(),
    }
}
// generate keys Cardano from mnemonic
keysFromMnemonic(mnemonic, accountIndex=0) {
    const entropy = mnemonicToEntropy(mnemonic);
    const rootKey = S.Bip32PrivateKey.from_bip39_entropy(
        Buffer.from(entropy, 'hex'),
        Buffer.from(''),
    );

How does bip39.mnemonicToEntropy work?

bip39.mnemonicToEntropy is a function that converts a BIP39 mnemonic phrase to its corresponding binary entropy value. A BIP39 mnemonic phrase is a set of words that can be used to generate a random binary sequence known as entropy. The mnemonic phrase is typically used as a more user-friendly way to represent the entropy, since it's easier to remember a sequence of words than a long string of 1s and 0s. When you call bip39.mnemonicToEntropy(mnemonic), the function converts the mnemonic phrase to its corresponding binary entropy value. The entropy value is a binary string with a length that is a multiple of 8, representing a sequence of bits. The bip39.mnemonicToEntropy function uses the BIP39 algorithm to convert the mnemonic phrase to entropy. The algorithm first uses the mnemonic phrase to generate a checksum, which is appended to the entropy value. The resulting binary string is then divided into 11-bit groups, which are each converted to their corresponding decimal values. The resulting decimal values are then converted to bytes, which can be used as the entropy value. In essence, bip39.mnemonicToEntropy provides a way to convert a BIP39 mnemonic phrase to its corresponding binary entropy value, allowing you to generate a secure, random sequence of bits that can be used for cryptographic purposes.

ether.js

GitHub: Exzender/AbsWalletSDK

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    const strength = length === 12 ? 128 : 256;
    return bip39.generateMnemonic(strength);
}

mnemonicToEntropy(mnemonic) {
    return bip39.mnemonicToEntropy(mnemonic);
}

validateMnemonic(mnemonic) {
    return bip39.validateMnemonic(mnemonic);

+ 5 other calls in file

polka.js

GitHub: Exzender/AbsWalletSDK

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    const pair = keyring.addFromMnemonic(mm, {}, 'ed25519');
    return pair.address;
}

async registerWallet(mnemonic) {
    const entropy = bip39.mnemonicToEntropy(mnemonic);
    const keyring = new Keyring();
    keyring.setSS58Format(0);
    const pair = keyring.addFromMnemonic(mnemonic, {}, 'ed25519');
    return { walletAddress: pair.address, walletKey: entropy };

+ 3 other calls in file

Ai Example

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const bip39 = require("bip39");

const mnemonic =
  "rival comic foam raw six butter core lazy true mandate robot nest";
const entropy = bip39.mnemonicToEntropy(mnemonic);

console.log(entropy);
// Output: d767b1d77d0e0c650e2e2ca714358f7a

In this example, we first import the bip39 library. We then define a mnemonic string that represents a BIP39 mnemonic phrase. We then call bip39.mnemonicToEntropy(mnemonic) to convert the mnemonic phrase to its corresponding binary entropy value. The function returns a hexadecimal string like "d767b1d77d0e0c650e2e2ca714358f7a", representing a sequence of bits. Note that in this example, we're generating a random mnemonic phrase for the sake of example, but in a real application you would typically generate the mnemonic phrase using a secure random number generator.

get-base-address-from-recovery-key.js

GitHub: kyle-manuel-franz/ivy-dex-server

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(async () => {
    try{
        const data = fs.readFileSync(options['recovery-file'])
        const entropyString = data.toString().trim()
        const entropy = mnemonicToEntropy(entropyString)
        const rootKey = createRootKeyFromEntropy(entropy)
        const accountKey = createAccountKeyFromRootKey(rootKey)
        const baseAddress = getSimpleBaseAddressForAccountKey(accountKey)
        console.log(baseAddress.to_address().to_bech32())

index.js

GitHub: kcxyzxyz/nami-balance-checker

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// number of accounts to check
const accountIndex = 10;

// build address
seedList.forEach((seed) => {
  const entropy = Bip39.mnemonicToEntropy(seed);

  const rootKey = CardanoWasm.Bip32PrivateKey.from_bip39_entropy(
    Buffer.from(entropy, "hex"),
    Buffer.from("")

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