Offline Functionality

[mnzaki]

Description

Make the wallet at least somewhat useable without an internet connection.

TODO

Cache DDO to avoid this on startup:

Error: Could not retrieve DID Document. Invalid JSON RPC response: "Unable to resolve host \"rinkeby.infura.io\": No address associated with hostname"
    at JolocomRegistry.resolve$ (webpack-internal:///./node_modules/jolocom-lib/js/registries/jolocomRegistry.js:95:1)
    at tryCatch (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:62:40)
    at Generator.invoke [as _invoke] (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:296:22)
    at Generator.prototype.(anonymous function) [as throw] (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:114:21)
    at tryCatch (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:62:40)
    at invoke (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:152:20)
    at eval (webpack-internal:///./node_modules/regenerator-runtime/runtime.js:164:13)
    at tryCallOne (webpack-internal:///./node_modules/promise/setimmediate/core.js:37:12)
    at eval (webpack-internal:///./node_modules/promise/setimmediate/core.js:123:15)
    at eval (webpack-internal:///./node_modules/react-native/Libraries/Core/Timers/JSTimers.js:295:24)
    at _callTimer (webpack-internal:///./node_modules/react-native/Libraries/Core/Timers/JSTimers.js:152:1)
    at _callImmediatesPass (webpack-internal:///./node_modules/react-native/Libraries/Core/Timers/JSTimers.js:200:1)
    at Object.callImmediates (webpack-internal:///./node_modules/react-native/Libraries/Core/Timers/JSTimers.js:464:7)
    at MessageQueue.__callImmediates (webpack-internal:///./node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:327:10)
    at eval (webpack-internal:///./node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:145:8)
    at MessageQueue.__guardSafe (webpack-internal:///./node_modules/react-native/Libraries/BatchedBridge/MessageQueue.js:314:1)