* Add support for one-click onboarding
MetaMask now allows sites to register as onboarding the user, so that
the user is redirected back to the initiating site after onboarding.
This is accomplished through the use of the `metamask-onboarding`
library and the MetaMask forwarder.
At the end of onboarding, a 'snackbar'-stype component will explain to the
user they are about to be moved back to the originating dapp, and it will
show the origin of that dapp. This is intended to help prevent phishing
attempts, as it highlights that a redirect is taking place to an untrusted
third party.
If the onboarding initiator tab is closed when onboarding is finished,
the user is redirected to the onboarding originator as a fallback.
Closes#6161
* Add onboarding button to contract test dapp
The `contract-test` dapp (run with `yarn dapp`, used in e2e tests) now
uses a `Connect` button instead of connecting automatically. This
button also serves as an onboarding button when a MetaMask installation
is not detected.
* Add new static server for test dapp
The `static-server` library we were using for the `contract-test` dapp
didn't allow referencing files outside the server root. This should
have been possible to work around using symlinks, but there was a bug
that resulted in symlinks crashing the server.
Instead it has been replaced with a simple static file server that
will serve paths starting with `node_modules` from the project root.
This will be useful in testing the onboarding library without vendoring
it.
* Add `@metamask/onboarding` and `@metamask/forwarder`
Both libraries used to test onboarding are now included as dev
dependencies, to help with testing. A few convenience scripts
were added to help with this (`yarn forwarder` and `yarn dapp-forwarder`)
The component has been updated to split the container from the base
component, and all hyperscript has been replaced with JSX. ES6 imports
are used throughout as well.
Maker has upgraded its Dai token to "Multi-Collateral Dai" (MCD) and requires
all users interacting with Dai migrate their tokens to the new version. Dai
now exclusively refers to Multi-Collateral Dai and what was previouly called
Dai is now Sai (Single Collateral Dai).
In this description, Sai refers to what was (prior to the 2019-11-18) known as Dai.
Dai is the _new_ token.
This changeset:
1. Only affects users who had non-zero Sai at the old contract address
2. Displays a persistent notification for users with Sai
3. Updates the token symbol for users already tracking the Sai token
4. Bumps our direct and indirect eth-contract-metadata dependencies
The notification copy:
> A message from Maker: The new Multi-Collateral Dai token has been released. Your old tokens are now called Sai. Please upgrade your Sai tokens to the new Dai.
The copy is from the Maker team.
The home notification static height of 116px is too cramped for longer
messages, such as the one used for the Sai migration. The old height is
now used for the minimum height instead, with a margin to ensure the
text doesn't get too close to the buttons.
The 'beforeunload' handler was being bound to the module scope instead
of the instance scope, because the class was defined using prototypes
rather than the ES6 class syntax. The arrow functions were removed, and
the handler is now bound explicitly in the constructor.
This was first implemented in #7335, but the final version didn't work
because the `_beforeUnload` handler was not bound early, so `this` was
not defined when it was triggered.
* Set default advanced tab gas limit
The advanced tab of the transaction confirmation screen would enter
into an infinite loop and crash if the given gas price was falsy and
some interaction was made with the gas limit field.
To prevent this infinite loop, a default value of 0 has been set. The
user will still need to update the gas limit in order to confirm the
transaction, as zero is too low a gas limit (the lowest is 21000).
21000 cannot be the default gas limit at this layer, because the limit
used is from a layer above this, which wouldn't have that same 21000
set.
* Set default gas limit to minimum allowed
A transaction initiated from a dapp might not set a gas limit, which
would result in a default of zero being used in the advanced tab. The
default gas limit in that case has been changed to 21,000, the minimum
allowed gas limit, so that users aren't forced to manually update it.
The gas chart on the advanced tab was not converting the gas price
selected into hex before setting it in state, resulting in the UI
throwing errors and the price being set incorrectly. It now converts
in the same manner as the input fields.
* Use child components for multiple notifications component
The multiple notifications component has been updated to take its child
components as children rather than as a props array, so that the child
components are never executed in the case where they aren't needed.
* Fix threebox last updated proptype
