Send screen QA checklist:

## Send Eth mode
  - [ ] **Header** _It should:_
    - [ ] have title "Send ETH"
    - [ ] have sub title "Only send ETH to an Ethereum address."
    - [ ] return user to main screen when top right X is clicked
  - [ ] **From row** _It should:_
    - [ ] show the currently selected account by default 
    - [ ] show a dropdown with all of the users accounts
    - [ ] contain the following info for each account: identicon, account name, balance in ETH, balance in current currency
    - [ ] change the account selected in the dropdown (but not the app-wide selected account) when one in the dropdown is clicked
    - [ ] close the dropdown, without changing the dropdown selected account, when the dropdown is open and then a click happens outside it
  - [ ] **To row** _It should:_
    - [ ] Show a placeholder with the text 'Recipient Address' by default
    - [ ] Show, when clicked, a dropdown list of all 'to accounts': the users accounts, plus any other accounts they have previously sent to
    - [ ] Show account address, and account name if it exists, of each item in the dropdown list
    - [ ] Show a dropdown list of all to accounts (see above) whose address matches an address currently being typed in
    - [ ] Set the input text to the address of an account clicked in the dropdown list, and also hide the dropdown
    - [ ] Hide the dropdown without changing what is in the input if the user clicks outside the dropdown list while it is open
    - [ ] Select the text in the input (i.e. the address) if an address is displayed and then clicked
    - [ ] Show a 'required' error if the dropdown is opened but no account is selected
    - [ ] Show an 'invalid address' error if text is entered in the input that cannot be a valid hex address or ens address
    - [ ] Support ens names. (enter dinodan.eth on mainnet) After entering the plain text address, the hex address should appear in the input with a green checkmark beside
    - [ ] Should show a 'no such address' error if a non-existent ens address is entered
  - [ ] **Amount row** _It should:_
    - [ ] allow user to enter any rational number >= 0
    - [ ] allow user to copy and paste into the field
    - [ ] show an insufficient funds error if an amount > balance - gas fee
    - [ ] display 'ETH' after the number amount. The position of 'ETH' should change as the length of the input amount text changes
    - [ ] display the value of the amount of ETH in the current currency, formatted in that currency
    - [ ] show a 'max' but if amount < balance - gas fee
    - [ ] show no max button or error if amount === balance - gas fee
    - [ ] set the amount to balance - gas fee if the 'max' button is clicked
  - [ ] **Gas Fee Display row** _It should:_
    - [ ] Default to the fee given by the estimated gas price
    - [ ] display the fee in ETH and the current currency
    - [ ] update when changes are made using the customize gas modal
  - [ ] **Cancel button** _It should:_
    - [ ] Take the user back to the main screen
  - [ ] **submit button** _It should:_
    - [ ] be disabled if no recipient address is provided or if any field is in error
    - [ ] sign a transaction with the info in the above form, and display the details of that transaction on the confirm screen

## Send token mode
- [ ] **Header** _It should:_
  - [ ] have title "Send Tokens"
  - [ ] have sub title "Only send [token symbol] to an Ethereum address."
  - [ ] return user to main screen when top right X is clicked
- [ ] **From row** _It should:_
  - [ ] Behave the same as 'Send ETH mode' (see above)
- [ ] **To row** _It should:_
  - [ ] Behave the same as 'Send ETH mode' (see above)
- [ ] **Amount row** _It should:_
  - [ ] allow user to enter any rational number >= 0
  - [ ] allow user to copy and paste into the field
  - [ ] show an 'insufficient tokens' error if an amount > token balance
  - [ ] show an 'insufficient funds' error if an gas fee > eth balance
  - [ ] display [token symbol] after the number amount. The position of [token symbol] should change as the length of the input amount text changes
  - [ ] display the value of the amount of tokens in the current currency, formatted in that currency
  - [ ] show a 'max' but if amount < token balance
  - [ ] show no max button or error if amount === token balance
  - [ ] set the amount to token balance if the 'max' button is clicked
- [ ] **Gas Fee Display row** _It should:_
  - [ ] Behave the same as 'Send ETH mode' (see above)
- [ ] **Cancel button** _It should:_
  - [ ] Take the user back to the main screen
- [ ] **submit button** _It should:_
  - [ ] be disabled if no recipient address is provided or if any field is in error
  - [ ] sign a token transaction with the info in the above form, and display the details of that transaction on the confirm screen

## Edit send Eth mode
  - [ ] Say 'Editing transaction' in the header
  - [ ] display a button to go back to the confirmation screen without applying update
  - [ ] say 'update transaction' on the submit button
  - [ ] update the existing transaction, instead of signing a new one, when clicking the submit button
  - [ ] Otherwise, behave the same as 'Send ETH mode' (see above)

## Edit send token mode
  - [ ] Behave the same as 'Edit send Eth mode' (see above)

## Specific cases to test
 - [ ] Send eth to a hex address
 - [ ] Send eth to an ENS address
 - [ ] Donate to the faucet at https://faucet.metamask.io/ and edit the transaction before confirming
 - [ ] Send a token that is available on the 'Add Token' screen search to a hex address
 - [ ] Create a custom token at https://tokenfactory.surge.sh/ and send it to a hex address
 - [ ] Send a token to an ENS address
 - [ ] Create a token transaction using https://tokenfactory.surge.sh/#/, and edit the transaction before confirming
 - [ ] Send each of MKR, EOS and ICON using myetherwallet, and edit the transaction before confirming