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/* @flow */
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import * as storageUtils from 'utils/storage';
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import { findToken } from 'reducers/utils';
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import type { State as EthereumSendFormState } from 'reducers/SendFormEthereumReducer';
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import type { State as RippleSendFormState } from 'reducers/SendFormRippleReducer';
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import type { ThunkAction, PayloadAction, GetState, Dispatch } from 'flowtype';
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const TYPE: 'session' = 'session';
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const { STORAGE_PATH } = storageUtils;
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const KEY_TX_DRAFT: string = `${STORAGE_PATH}txdraft`;
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const getTxDraftKey = (getState: GetState): string => {
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const { pathname } = getState().router.location;
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return `${KEY_TX_DRAFT}${pathname}`;
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};
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export const saveDraftTransaction = (): ThunkAction => (
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dispatch: Dispatch,
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getState: GetState
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): void => {
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const state = getState().sendFormEthereum;
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if (state.untouched) return;
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const key = getTxDraftKey(getState);
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storageUtils.set(TYPE, key, JSON.stringify(state));
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};
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export const loadEthereumDraftTransaction = (): PayloadAction<?EthereumSendFormState> => (
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dispatch: Dispatch,
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getState: GetState
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): ?EthereumSendFormState => {
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const key = getTxDraftKey(getState);
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const value: ?string = storageUtils.get(TYPE, key);
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if (!value) return null;
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const state: ?EthereumSendFormState = JSON.parse(value);
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if (!state) return null;
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// decide if draft is valid and should be returned
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// ignore this draft if has any error
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if (Object.keys(state.errors).length > 0) {
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storageUtils.remove(TYPE, key);
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return null;
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}
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// check if selected currency is token and make sure that this token is added into account
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if (state.currency !== state.networkSymbol) {
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const { account, tokens } = getState().selectedAccount;
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if (!account) return null;
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const token = findToken(tokens, account.descriptor, state.currency, account.deviceState);
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if (!token) {
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storageUtils.remove(TYPE, key);
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return null;
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}
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}
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return state;
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};
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export const loadRippleDraftTransaction = (): PayloadAction<?RippleSendFormState> => (
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dispatch: Dispatch,
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getState: GetState
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): ?RippleSendFormState => {
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const key = getTxDraftKey(getState);
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const value: ?string = storageUtils.get(TYPE, key);
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if (!value) return null;
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const state: ?RippleSendFormState = JSON.parse(value);
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if (!state) return null;
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// decide if draft is valid and should be returned
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// ignore this draft if has any error
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if (Object.keys(state.errors).length > 0) {
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storageUtils.remove(TYPE, key);
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return null;
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}
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return state;
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};
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export const clear = (): ThunkAction => (dispatch: Dispatch, getState: GetState): void => {
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const key = getTxDraftKey(getState);
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storageUtils.remove(TYPE, key);
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};
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