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Merge pull request #264 from poanetwork/develop
NW release 4.11.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| const ObservableStore = require('obs-store') | ||
| const extend = require('xtend') | ||
|
|
||
| /** | ||
| * @typedef {Object} CachedBalancesOptions | ||
| * @property {Object} accountTracker An {@code AccountTracker} reference | ||
| * @property {Function} getNetwork A function to get the current network | ||
| * @property {Object} initState The initial controller state | ||
| */ | ||
|
|
||
| /** | ||
| * Background controller responsible for maintaining | ||
| * a cache of account balances in local storage | ||
| */ | ||
| class CachedBalancesController { | ||
| /** | ||
| * Creates a new controller instance | ||
| * | ||
| * @param {CachedBalancesOptions} [opts] Controller configuration parameters | ||
| */ | ||
| constructor (opts = {}) { | ||
| const { accountTracker, getNetwork } = opts | ||
|
|
||
| this.accountTracker = accountTracker | ||
| this.getNetwork = getNetwork | ||
|
|
||
| const initState = extend({ | ||
| cachedBalances: {}, | ||
| }, opts.initState) | ||
| this.store = new ObservableStore(initState) | ||
|
|
||
| this._registerUpdates() | ||
| } | ||
|
|
||
| /** | ||
| * Updates the cachedBalances property for the current network. Cached balances will be updated to those in the passed accounts | ||
| * if balances in the passed accounts are truthy. | ||
| * | ||
| * @param {Object} obj The the recently updated accounts object for the current network | ||
| * @returns {Promise<void>} | ||
| */ | ||
| async updateCachedBalances ({ accounts }) { | ||
| const network = await this.getNetwork() | ||
| const balancesToCache = await this._generateBalancesToCache(accounts, network) | ||
| this.store.updateState({ | ||
| cachedBalances: balancesToCache, | ||
| }) | ||
| } | ||
|
|
||
| _generateBalancesToCache (newAccounts, currentNetwork) { | ||
| const { cachedBalances } = this.store.getState() | ||
| const currentNetworkBalancesToCache = { ...cachedBalances[currentNetwork] } | ||
|
|
||
| Object.keys(newAccounts).forEach(accountID => { | ||
| const account = newAccounts[accountID] | ||
|
|
||
| if (account.balance) { | ||
| currentNetworkBalancesToCache[accountID] = account.balance | ||
| } | ||
| }) | ||
| const balancesToCache = { | ||
| ...cachedBalances, | ||
| [currentNetwork]: currentNetworkBalancesToCache, | ||
| } | ||
|
|
||
| return balancesToCache | ||
| } | ||
|
|
||
| /** | ||
| * Sets up listeners and subscriptions which should trigger an update of cached balances. These updates will | ||
| * happen when the current account changes. Which happens on block updates, as well as on network and account | ||
| * selections. | ||
| * | ||
| * @private | ||
| * | ||
| */ | ||
| _registerUpdates () { | ||
| const update = this.updateCachedBalances.bind(this) | ||
| this.accountTracker.store.subscribe(update) | ||
| } | ||
| } | ||
|
|
||
| module.exports = CachedBalancesController |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,64 +1,72 @@ | ||
| const POA = 'poa' | ||
| const DAI = 'dai' | ||
| const POA_SOKOL = 'sokol' | ||
| const MAINNET = 'mainnet' | ||
| const ROPSTEN = 'ropsten' | ||
| const RINKEBY = 'rinkeby' | ||
| const KOVAN = 'kovan' | ||
| const MAINNET = 'mainnet' | ||
| const POA_SOKOL = 'sokol' | ||
| const POA = 'poa' | ||
| const DAI = 'dai' | ||
| const GOERLI_TESTNET = 'goerli_testnet' | ||
| const LOCALHOST = 'localhost' | ||
|
|
||
| const POA_CODE = 99 | ||
| const DAI_CODE = 100 | ||
| const POA_SOKOL_CODE = 77 | ||
| const MAINNET_CODE = 1 | ||
| const ROPSTEN_CODE = 3 | ||
| const RINKEYBY_CODE = 4 | ||
| const RINKEBY_CODE = 4 | ||
| const KOVAN_CODE = 42 | ||
| const POA_SOKOL_CODE = 77 | ||
| const POA_CODE = 99 | ||
| const DAI_CODE = 100 | ||
| const GOERLI_TESTNET_CODE = 5 | ||
|
|
||
| const ROPSTEN_DISPLAY_NAME = 'Ropsten' | ||
| const RINKEBY_DISPLAY_NAME = 'Rinkeby' | ||
| const KOVAN_DISPLAY_NAME = 'Kovan' | ||
| const POA_SOKOL_DISPLAY_NAME = 'Sokol' | ||
| const POA_DISPLAY_NAME = 'POA Network' | ||
| const DAI_DISPLAY_NAME = 'xDai Chain' | ||
| const POA_SOKOL_DISPLAY_NAME = 'Sokol' | ||
| const MAINNET_DISPLAY_NAME = 'Main Ethereum Network' | ||
| const ROPSTEN_DISPLAY_NAME = 'Ropsten' | ||
| const RINKEBY_DISPLAY_NAME = 'Rinkeby' | ||
| const KOVAN_DISPLAY_NAME = 'Kovan' | ||
| const GOERLI_TESTNET_DISPLAY_NAME = 'Görli Testnet' | ||
|
|
||
| const DROPDOWN_ROPSTEN_DISPLAY_NAME = 'Ropsten Test Net' | ||
| const DROPDOWN_RINKEBY_DISPLAY_NAME = 'Rinkeby Test Net' | ||
| const DROPDOWN_KOVAN_DISPLAY_NAME = 'Kovan Test Net' | ||
| const DROPDOWN_POA_SOKOL_DISPLAY_NAME = 'Sokol Network' | ||
| const DROPDOWN_POA_DISPLAY_NAME = POA_DISPLAY_NAME | ||
| const DROPDOWN_DAI_DISPLAY_NAME = DAI_DISPLAY_NAME | ||
| const DROPDOWN_POA_SOKOL_DISPLAY_NAME = 'Sokol Network' | ||
| const DROPDOWN_MAINNET_DISPLAY_NAME = 'Main Network' | ||
| const DROPDOWN_ROPSTEN_DISPLAY_NAME = 'Ropsten Test Net' | ||
| const DROPDOWN_RINKEBY_DISPLAY_NAME = 'Rinkeby Test Net' | ||
| const DROPDOWN_KOVAN_DISPLAY_NAME = 'Kovan Test Net' | ||
| const DROPDOWN_GOERLI_TESTNET_DISPLAY_NAME = 'Görli Test Net' | ||
|
|
||
| module.exports = { | ||
| POA, | ||
| DAI, | ||
| POA_SOKOL, | ||
| MAINNET, | ||
| ROPSTEN, | ||
| RINKEBY, | ||
| KOVAN, | ||
| MAINNET, | ||
| POA_SOKOL, | ||
| POA, | ||
| DAI, | ||
| GOERLI_TESTNET, | ||
| LOCALHOST, | ||
| POA_CODE, | ||
| DAI_CODE, | ||
| POA_SOKOL_CODE, | ||
| MAINNET_CODE, | ||
| ROPSTEN_CODE, | ||
| RINKEYBY_CODE, | ||
| RINKEBY_CODE, | ||
| KOVAN_CODE, | ||
| POA_SOKOL_CODE, | ||
| POA_CODE, | ||
| DAI_CODE, | ||
| GOERLI_TESTNET_CODE, | ||
| POA_DISPLAY_NAME, | ||
| DAI_DISPLAY_NAME, | ||
| POA_SOKOL_DISPLAY_NAME, | ||
| MAINNET_DISPLAY_NAME, | ||
| ROPSTEN_DISPLAY_NAME, | ||
| RINKEBY_DISPLAY_NAME, | ||
| KOVAN_DISPLAY_NAME, | ||
| MAINNET_DISPLAY_NAME, | ||
| POA_SOKOL_DISPLAY_NAME, | ||
| POA_DISPLAY_NAME, | ||
| DAI_DISPLAY_NAME, | ||
| DROPDOWN_ROPSTEN_DISPLAY_NAME, | ||
| DROPDOWN_RINKEBY_DISPLAY_NAME, | ||
| DROPDOWN_KOVAN_DISPLAY_NAME, | ||
| DROPDOWN_POA_SOKOL_DISPLAY_NAME, | ||
| GOERLI_TESTNET_DISPLAY_NAME, | ||
| DROPDOWN_POA_DISPLAY_NAME, | ||
| DROPDOWN_DAI_DISPLAY_NAME, | ||
| DROPDOWN_POA_SOKOL_DISPLAY_NAME, | ||
| DROPDOWN_MAINNET_DISPLAY_NAME, | ||
| DROPDOWN_ROPSTEN_DISPLAY_NAME, | ||
| DROPDOWN_RINKEBY_DISPLAY_NAME, | ||
| DROPDOWN_KOVAN_DISPLAY_NAME, | ||
| DROPDOWN_GOERLI_TESTNET_DISPLAY_NAME, | ||
| } |
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