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A Mnemonic wraps all properties required to compute BIP-39 seeds and convert between phrases and entropy.

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Constructors

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new Mnemonic()

new Mnemonic(
   guard, 
   entropy, 
   phrase, 
   password?, 
   wordlist?): Mnemonic

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Parameters

ParameterTypeDescription
guardanyThe guard object.
entropystringThe entropy.
phrasestringThe mnemonic phrase.
password?null | stringThe password for the mnemonic.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

Mnemonic

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Source

wallet/mnemonic.ts:175

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Properties

PropertyModifierTypeDescription
entropyreadonlystringThe underlying entropy which the mnemonic encodes.
passwordreadonlystringThe password used for this mnemonic. If no password is used this is the empty string (i.e. "") as per the
specification.
phrasereadonlystringThe mnemonic phrase of 12, 15, 18, 21 or 24 words.

Use the wordlist split method to get the individual words.
wordlistreadonlyWordlistThe wordlist for this mnemonic.

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Methods

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computeSeed()

computeSeed(): string
Returns the seed for the mnemonic.

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Returns

string The seed.

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Source

wallet/mnemonic.ts:191

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entropyToPhrase()

static entropyToPhrase(_entropy, wordlist?): string
Returns the phrase for mnemonic.

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Parameters

ParameterTypeDescription
_entropyBytesLikeThe entropy for the mnemonic.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

string The mnemonic phrase.

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Source

wallet/mnemonic.ts:248

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fromEntropy()

static fromEntropy(
   _entropy, 
   password?, 
   wordlist?): Mnemonic
Create a new Mnemonic from the entropy. The default password is the empty string and the default wordlist is the [English wordlist.

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Parameters

ParameterTypeDescription
_entropyBytesLikeThe entropy for the mnemonic.
password?null | stringThe password for the mnemonic.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

Mnemonic The new Mnemonic object.

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Source

wallet/mnemonic.ts:229

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fromPhrase()

static fromPhrase(
   phrase, 
   password?, 
   wordlist?): Mnemonic
Creates a new Mnemonic for the phrase. The default password is the empty string and the default wordlist is the English wordlist.

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Parameters

ParameterTypeDescription
phrasestringThe mnemonic phrase.
password?null | stringThe password for the mnemonic.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

Mnemonic The new Mnemonic object.

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Source

wallet/mnemonic.ts:206

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isValidMnemonic()

static isValidMnemonic(phrase, wordlist?): boolean
Returns true if phrase is a valid BIP-39 phrase. This checks all the provided words belong to the wordlist, that the length is valid and the checksum is correct.

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Parameters

ParameterTypeDescription
phrasestringThe mnemonic phrase.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

boolean True if the phrase is valid.

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Throws

If the phrase is invalid.

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Source

wallet/mnemonic.ts:275

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phraseToEntropy()

static phraseToEntropy(phrase, wordlist?): string
Returns the entropy for phrase.

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Parameters

ParameterTypeDescription
phrasestringThe mnemonic phrase.
wordlist?null | WordlistThe wordlist for the mnemonic.

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Returns

string The entropy.

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Source

wallet/mnemonic.ts:260