node_modules/eth-keyring-controller/index.js
// TX Manager to update the state after signing
TX Manager to update the state after signing
TX Manager to update the state after signing
signTransaction (ethTx, _fromAddress) {
    const fromAddress = normalizeAddress(_fromAddress)
    return this.getKeyringForAccount(fromAddress)
    .then((keyring) => {
      return keyring.signTransaction(fromAddress, ethTx)
    })
  }
signTransaction ( ethTx , _fromAddress ) { const fromAddress = normalizeAddress ( _fromAddress ) return this . getKeyringForAccount ( fromAddress ) . then ( ( keyring ) => { return keyring . signTransaction ( fromAddress , ethTx ) } ) }
TX Manager to update the state after signing
TX Manager to update the state after signing