Export mnemonicPhraseToBytes and createBip39KeyFromSeed (#149)

* Export `mnemonicPhraseToBytes` and `createBip39KeyFromSeed`

* Run yarn lint:fix

* Update tests for coverage

src/derivers/index.test.ts

@@ -0,0 +1,7 @@
+import { createBip39KeyFromSeed } from '.';
+
+describe('index', () => {
+  it('has expected exports', () => {
+    expect(createBip39KeyFromSeed).toBeDefined();
+  });
+});

src/derivers/index.ts

@@ -28,3 +28,5 @@ export const derivers = {
   bip39,
   slip10,
 };
+
+export { createBip39KeyFromSeed } from './bip39';

src/index.test.ts

@@ -5,6 +5,8 @@ import {
   secp256k1,
   ed25519,
   isValidBIP32PathSegment,
+  createBip39KeyFromSeed,
+  mnemonicPhraseToBytes,
 } from '.';
 
 // This is purely for coverage shenanigans
@@ -17,5 +19,7 @@ describe('index', () => {
     expect(secp256k1).toBeDefined();
     expect(ed25519).toBeDefined();
     expect(isValidBIP32PathSegment).toBeDefined();
+    expect(createBip39KeyFromSeed).toBeDefined();
+    expect(mnemonicPhraseToBytes).toBeDefined();
   });
 });

src/index.ts

@@ -29,4 +29,5 @@ export {
 } from './BIP44CoinTypeNode';
 export * from './constants';
 export type { CoinTypeToAddressIndices } from './utils';
-export { isValidBIP32PathSegment } from './utils';
+export { isValidBIP32PathSegment, mnemonicPhraseToBytes } from './utils';
+export { createBip39KeyFromSeed } from './derivers';