message: chore(utxo-lib): add prettier to keyutil
  Issue:
diff: -const BigInteger = require('bigi')
  -const ECPair = require('../ecpair')
  +/**
  + * @prettier
  + */
  +const BigInteger = require('bigi');
  +const ECPair = require('../ecpair');
  /**
  * Create an ECPair from the raw private key bytes
  @@ -9,11 +12,11 @@ const ECPair = require('../ecpair')
  */
  export function privateKeyBufferToECPair(buffer, network) {
  if (!Buffer.isBuffer(buffer) || buffer.length !== 32) {
  - throw new Error('invalid private key buffer')
  + throw new Error('invalid private key buffer');
  }
  - const d = BigInteger.fromBuffer(buffer)
  - return new ECPair(d, null, { network })
  + const d = BigInteger.fromBuffer(buffer);
  + return new ECPair(d, null, { network });
  }
  /**
  @@ -23,10 +26,10 @@ export function privateKeyBufferToECPair (buffer, network) {
  */
  export function privateKeyBufferFromECPair(ecPair) {
  if (!(ecPair instanceof ECPair)) {
  - throw new TypeError(`invalid argument ecpair`)
  + throw new TypeError(`invalid argument ecpair`);
  }
  - if (!ecPair.d) throw new Error('Missing private key')
  + if (!ecPair.d) throw new Error('Missing private key');
  - return ecPair.d.toBuffer(32)
  + return ecPair.d.toBuffer(32);
  }
  