Add multi-vault planning doc

docs/multi_vault_planning.md

@@ -0,0 +1,175 @@
+https://hackmd.io/JwIwDMDGKQZgtAFgKZjEgbARhPAhgKxZbwAcA7LAWOQCaKEgFA==?edit
+
+Subscribablez(initState)
+ .subscribe()
+ .emitUpdate(newState)
+ //.getState()
+
+
+var initState = fromDisk()
+ReduxStore(reducer, initState)
+.reduce(action) -> .emitUpdate()
+
+ReduxStore.subscribe(toDisk)
+
+
+### KeyChainManager / idStore 2.0 (maybe just in MetaMaskController)
+	keychains: []
+	getAllAccounts(cb)
+	getAllKeychainViewStates(cb) -> returns [ KeyChainViewState]
+
+#### Old idStore external methods, for feature parity:
+
+- init(configManager)
+- setStore(ethStore)
+- getState()
+- getSelectedAddres()
+- setSelectedAddress()
+- createNewVault()
+- recoverFromSeed()
+- submitPassword()
+- approveTransaction()
+- cancelTransaction()
+- addUnconfirmedMessage(msgParams, cb)
+- signMessage()
+- cancelMessage()
+- setLocked()
+- clearSeedWordCache()
+- exportAccount()
+- revealAccount()
+- saveAccountLabel()
+- tryPassword()
+- recoverSeed()
+- getNetwork()
+
+##### Of those methods
+
+Where they should end up:
+
+##### MetaMaskController
+
+- getNetwork()
+
+##### KeyChainManager
+
+- init(configManager)
+- setStore(ethStore)
+- getState() // Deprecate for unidirectional flow
+- on('update', cb)
+- createNewVault(password)
+- getSelectedAddres()
+- setSelectedAddress()
+- submitPassword()
+- tryPassword()
+- approveTransaction()
+- cancelTransaction()
+- signMessage()
+- cancelMessage()
+- setLocked()
+- exportAccount()
+
+##### Bip44 KeyChain
+
+- getState() // Deprecate for unidirectional flow
+- on('update', cb)
+
+If we adopt a ReactStore style unidirectional action dispatching data flow, these methods will be unified under a `dispatch` method, and rather than having a cb will emit an update to the UI:
+
+- createNewKeyChain(entropy)
+- recoverFromSeed()
+- approveTransaction()
+- signMessage()
+- clearSeedWordCache()
+- exportAccount()
+- revealAccount()
+- saveAccountLabel()
+- recoverSeed()
+
+### KeyChain (ReduxStore?)
+	// attributes
+	@name
+
+    signTx(txParams, cb)
+    signMsg(msg, cb)
+
+	getAddressList(cb)
+
+	getViewState(cb) -> returns KeyChainViewState
+
+    serialize(cb) -> obj
+    deserialize(obj)
+
+### KeyChainViewState
+	// The serialized, renderable keychain data
+    accountList: [],
+    typeName: 'uPort',
+    iconAddress: 'uport.gif',
+	internal: {} // Subclass-defined metadata
+
+### KeyChainReactComponent
+    // takes a KeyChainViewState
+
+	// Subclasses of this:
+	- KeyChainListItemComponent
+	- KeyChainInitComponent - Maybe part of the List Item
+	- KeyChainAccountHeaderComponent
+	- KeyChainConfirmationComponent
+	// Account list item, tx confirmation extra data (like a QR code),
+	// Maybe an options screen, init screen,
+
+    how to send actions?
+    emitAction(keychains.<id>.didInit)
+
+
+gimmeRemoteKeychain((err, remoteKeychain)=>
+
+)
+
+
+
+
+
+KeyChainReactComponent({
+    keychain
+})
+
+Keychain:
+	methods:{},
+	cachedAccountList: [],
+	name: '',
+
+
+CoinbaseKeychain
+    getAccountList
+
+
+CoinbaseKeychainComponent
+   isLoading = true
+   keychain.getAccountList(()=>{
+     isLoading=false
+     accountList=accounts
+   })
+
+
+
+
+
+KeyChainViewState {
+	attributes: {
+		//mandatory:
+		accountList: [],
+		typeName: 'uPort',
+		iconAddress: 'uport.gif',
+
+		internal: {
+			// keychain-specific metadata
+			proxyAddresses: {
+				0xReal: '0xProxy'
+			}
+		},
+	},
+	methods: {
+		// arbitrary, internal
+	}
+}
+