[@types/bip39] Add type definition for bip39 version 2.4

types/bip39/bip39-tests.ts

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+import * as bip39 from 'bip39';
+
+// Test generate a random mnemonic
+const mnemonic: string = bip39.generateMnemonic();
+
+// Test generate a random mnemonic with strength
+bip39.generateMnemonic(64);
+
+// Test mnemonic to seed
+const seedHex: string = bip39.mnemonicToSeedHex('basket actual');
+const seed: Buffer = bip39.mnemonicToSeed('basket actual');
+
+// Test validation
+bip39.validateMnemonic(mnemonic);

types/bip39/index.d.ts

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+// Type definitions for bip39 2.4
+// Project: https://github.com/bitcoinjs/bip39
+// Definitions by: Satana Charuwichitratana <https://github.com/micksatana>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+export const wordlists: {
+    EN: string[];
+    JA: string[];
+    chinese_simplified: string[];
+    chinese_traditional: string[];
+    english: string[];
+    french: string[];
+    italian: string[];
+    japanese: string[];
+    spanish: string[];
+};
+
+export function entropyToMnemonic(entropyHex: string, wordlist?: string[]): string;
+
+export function generateMnemonic(strength?: number, rng?: (size: number) => Buffer, wordlist?: string[]): string;
+
+export function mnemonicToEntropy(mnemonic: string, wordlist?: string[]): string;
+
+export function mnemonicToSeed(mnemonic: string, password?: string): Buffer;
+
+export function mnemonicToSeedHex(mnemonic: string, password?: string): string;
+
+export function validateMnemonic(mnemonic: string, wordlist?: string[]): boolean;

types/bip39/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "bip39-tests.ts"
+    ]
+}

types/bip39/tslint.json

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+{
+    "extends": "dtslint/dt.json"
+}