lbry-desktop/ui/redux/actions/sync.js

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import * as ACTIONS from 'constants/action_types';
import { Lbryio } from 'lbryinc';
import { SETTINGS, Lbry, doWalletEncrypt, doWalletDecrypt } from 'lbry-redux';
import { selectGetSyncIsPending, selectSetSyncIsPending, selectSyncIsLocked } from 'redux/selectors/sync';
import { makeSelectClientSetting } from 'redux/selectors/settings';
import { getSavedPassword } from 'util/saved-passwords';
import { doAnalyticsTagSync, doHandleSyncComplete } from 'redux/actions/app';
import { selectUserVerifiedEmail } from 'redux/selectors/user';
let syncTimer = null;
const SYNC_INTERVAL = 1000 * 60 * 5; // 5 minutes
const NO_WALLET_ERROR = 'no wallet found for this user';
const BAD_PASSWORD_ERROR_NAME = 'InvalidPasswordError';
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export function doSetDefaultAccount(success, failure) {
return dispatch => {
dispatch({
type: ACTIONS.SET_DEFAULT_ACCOUNT,
});
Lbry.account_list()
.then(accountList => {
const { lbc_mainnet: accounts } = accountList;
let defaultId;
for (let i = 0; i < accounts.length; ++i) {
if (accounts[i].satoshis > 0) {
defaultId = accounts[i].id;
break;
}
}
// In a case where there's no balance on either account
// assume the second (which is created after sync) as default
if (!defaultId && accounts.length > 1) {
defaultId = accounts[1].id;
}
// Set the default account
if (defaultId) {
Lbry.account_set({ account_id: defaultId, default: true })
.then(() => {
if (success) {
success();
}
})
.catch(err => {
if (failure) {
failure(err);
}
});
} else if (failure) {
// no default account to set
failure('Could not set a default account'); // fail
}
})
.catch(err => {
if (failure) {
failure(err);
}
});
};
}
export function doSetSync(oldHash, newHash, data) {
return dispatch => {
dispatch({
type: ACTIONS.SET_SYNC_STARTED,
});
return Lbryio.call('sync', 'set', { old_hash: oldHash, new_hash: newHash, data }, 'post')
.then(response => {
if (!response.hash) {
throw Error('No hash returned for sync/set.');
}
return dispatch({
type: ACTIONS.SET_SYNC_COMPLETED,
data: { syncHash: response.hash },
});
})
.catch(error => {
dispatch({
type: ACTIONS.SET_SYNC_FAILED,
data: { error },
});
});
};
}
export const doGetSyncDesktop = (cb?, password) => (dispatch, getState) => {
const state = getState();
const syncEnabled = makeSelectClientSetting(SETTINGS.ENABLE_SYNC)(state);
const getSyncPending = selectGetSyncIsPending(state);
const setSyncPending = selectSetSyncIsPending(state);
const syncLocked = selectSyncIsLocked(state);
return getSavedPassword().then(savedPassword => {
const passwordArgument = password || password === '' ? password : savedPassword === null ? '' : savedPassword;
if (syncEnabled && !getSyncPending && !setSyncPending && !syncLocked) {
return dispatch(doGetSync(passwordArgument, cb));
}
});
};
export function doSyncSubscribe() {
return (dispatch, getState) => {
if (syncTimer) clearInterval(syncTimer);
const state = getState();
const hasVerifiedEmail = selectUserVerifiedEmail(state);
const syncEnabled = makeSelectClientSetting(SETTINGS.ENABLE_SYNC)(state);
const syncLocked = selectSyncIsLocked(state);
if (hasVerifiedEmail && syncEnabled && !syncLocked) {
dispatch(doGetSyncDesktop((error, hasNewData) => dispatch(doHandleSyncComplete(error, hasNewData))));
dispatch(doAnalyticsTagSync());
syncTimer = setInterval(() => {
const state = getState();
const syncEnabled = makeSelectClientSetting(SETTINGS.ENABLE_SYNC)(state);
if (syncEnabled) {
dispatch(doGetSyncDesktop((error, hasNewData) => dispatch(doHandleSyncComplete(error, hasNewData))));
dispatch(doAnalyticsTagSync());
}
}, SYNC_INTERVAL);
}
};
}
export function doSyncUnsubscribe() {
return dispatch => {
if (syncTimer) {
clearInterval(syncTimer);
}
};
}
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export function doGetSync(passedPassword, callback) {
const password = passedPassword === null || passedPassword === undefined ? '' : passedPassword;
function handleCallback(error, hasNewData) {
if (callback) {
if (typeof callback !== 'function') {
throw new Error('Second argument passed to "doGetSync" must be a function');
}
callback(error, hasNewData);
}
}
return dispatch => {
dispatch({
type: ACTIONS.GET_SYNC_STARTED,
});
const data = {};
Lbry.wallet_status()
.then(status => {
if (status.is_locked) {
return Lbry.wallet_unlock({ password });
}
// Wallet is already unlocked
return true;
})
.then(isUnlocked => {
if (isUnlocked) {
return Lbry.sync_hash();
}
data.unlockFailed = true;
throw new Error();
})
.then(hash => Lbryio.call('sync', 'get', { hash }, 'post'))
.then(response => {
const syncHash = response.hash;
data.syncHash = syncHash;
data.syncData = response.data;
data.changed = response.changed;
data.hasSyncedWallet = true;
if (response.changed) {
return Lbry.sync_apply({ password, data: response.data, blocking: true });
}
})
.then(response => {
if (!response) {
dispatch({ type: ACTIONS.GET_SYNC_COMPLETED, data });
handleCallback(null, data.changed);
return;
}
const { hash: walletHash, data: walletData } = response;
if (walletHash !== data.syncHash) {
// different local hash, need to synchronise
dispatch(doSetSync(data.syncHash, walletHash, walletData));
}
dispatch({ type: ACTIONS.GET_SYNC_COMPLETED, data });
handleCallback(null, data.changed);
})
.catch(syncAttemptError => {
const badPasswordError =
syncAttemptError && syncAttemptError.data && syncAttemptError.data.name === BAD_PASSWORD_ERROR_NAME;
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if (data.unlockFailed) {
dispatch({ type: ACTIONS.GET_SYNC_FAILED, data: { error: syncAttemptError } });
if (badPasswordError) {
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dispatch({ type: ACTIONS.SYNC_APPLY_BAD_PASSWORD });
}
handleCallback(syncAttemptError);
} else if (data.hasSyncedWallet) {
const error = (syncAttemptError && syncAttemptError.message) || 'Error getting synced wallet';
dispatch({
type: ACTIONS.GET_SYNC_FAILED,
data: {
error,
},
});
if (badPasswordError) {
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dispatch({ type: ACTIONS.SYNC_APPLY_BAD_PASSWORD });
}
handleCallback(error);
} else {
const noWalletError = syncAttemptError && syncAttemptError.message === NO_WALLET_ERROR;
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dispatch({
type: ACTIONS.GET_SYNC_COMPLETED,
data: {
hasSyncedWallet: false,
syncHash: null,
// If there was some unknown error, bail
fatalError: !noWalletError,
},
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});
// user doesn't have a synced wallet
// call sync_apply to get data to sync
// first time sync. use any string for old hash
if (noWalletError) {
Lbry.sync_apply({ password })
.then(({ hash: walletHash, data: syncApplyData }) => {
dispatch(doSetSync('', walletHash, syncApplyData, password));
handleCallback();
})
.catch(syncApplyError => {
handleCallback(syncApplyError);
});
}
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}
});
};
}
export function doSyncApply(syncHash, syncData, password) {
return dispatch => {
dispatch({
type: ACTIONS.SYNC_APPLY_STARTED,
});
Lbry.sync_apply({ password, data: syncData })
.then(({ hash: walletHash, data: walletData }) => {
dispatch({
type: ACTIONS.SYNC_APPLY_COMPLETED,
});
if (walletHash !== syncHash) {
// different local hash, need to synchronise
dispatch(doSetSync(syncHash, walletHash, walletData));
}
})
.catch(() => {
dispatch({
type: ACTIONS.SYNC_APPLY_FAILED,
data: {
error: 'Invalid password specified. Please enter the password for your previously synchronised wallet.',
},
});
});
};
}
export function doCheckSync() {
return dispatch => {
dispatch({
type: ACTIONS.GET_SYNC_STARTED,
});
Lbry.sync_hash().then(hash => {
Lbryio.call('sync', 'get', { hash }, 'post')
.then(response => {
const data = {
hasSyncedWallet: true,
syncHash: response.hash,
syncData: response.data,
hashChanged: response.changed,
};
dispatch({ type: ACTIONS.GET_SYNC_COMPLETED, data });
})
.catch(() => {
// user doesn't have a synced wallet
dispatch({
type: ACTIONS.GET_SYNC_COMPLETED,
data: { hasSyncedWallet: false, syncHash: null },
});
});
});
};
}
export function doResetSync() {
return dispatch =>
new Promise(resolve => {
dispatch({ type: ACTIONS.SYNC_RESET });
resolve();
});
}
export function doSyncEncryptAndDecrypt(oldPassword, newPassword, encrypt) {
return dispatch => {
const data = {};
return Lbry.sync_hash()
.then(hash => Lbryio.call('sync', 'get', { hash }, 'post'))
.then(syncGetResponse => {
data.oldHash = syncGetResponse.hash;
return Lbry.sync_apply({ password: oldPassword, data: syncGetResponse.data });
})
.then(() => {
if (encrypt) {
dispatch(doWalletEncrypt(newPassword));
} else {
dispatch(doWalletDecrypt());
}
})
.then(() => Lbry.sync_apply({ password: newPassword }))
.then(syncApplyResponse => {
if (syncApplyResponse.hash !== data.oldHash) {
return dispatch(doSetSync(data.oldHash, syncApplyResponse.hash, syncApplyResponse.data));
}
})
.catch(console.error); // eslint-disable-line
};
}
export function doSetSyncLock(lock) {
return {
type: ACTIONS.SET_SYNC_LOCK,
data: lock,
};
}
export function doSetPrefsReady() {
return {
type: ACTIONS.SET_PREFS_READY,
data: true,
};
}