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author | kumavis <kumavis@users.noreply.github.com> | 2018-09-28 14:45:16 +0800 |
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committer | GitHub <noreply@github.com> | 2018-09-28 14:45:16 +0800 |
commit | 59ab595b5ea6a4e24f2048d2ed43c1181bb5aa3e (patch) | |
tree | 36a9c0701cd80942c48e97cab0c4190d134980c8 /ui/app/components/token-balance.js | |
parent | cb0af67f743d242afa3bdb518847f77d3c2cc260 (diff) | |
parent | bd489d358383b7556af323db78f30013459febf6 (diff) | |
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Merge branch 'develop' into account-tracker-network-change
Diffstat (limited to 'ui/app/components/token-balance.js')
-rw-r--r-- | ui/app/components/token-balance.js | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/ui/app/components/token-balance.js b/ui/app/components/token-balance.js deleted file mode 100644 index 99ca7335c..000000000 --- a/ui/app/components/token-balance.js +++ /dev/null @@ -1,120 +0,0 @@ -const Component = require('react').Component -const h = require('react-hyperscript') -const inherits = require('util').inherits -const TokenTracker = require('eth-token-tracker') -const connect = require('react-redux').connect -const selectors = require('../selectors') -const log = require('loglevel') - -function mapStateToProps (state) { - return { - userAddress: selectors.getSelectedAddress(state), - } -} - -module.exports = connect(mapStateToProps)(TokenBalance) - - -inherits(TokenBalance, Component) -function TokenBalance () { - this.state = { - string: '', - symbol: '', - isLoading: true, - error: null, - } - Component.call(this) -} - -TokenBalance.prototype.render = function () { - const state = this.state - const { symbol, string, isLoading } = state - const { balanceOnly } = this.props - - return isLoading - ? h('span', '') - : h('span.token-balance', [ - h('span.hide-text-overflow.token-balance__amount', string), - !balanceOnly && h('span.token-balance__symbol', symbol), - ]) -} - -TokenBalance.prototype.componentDidMount = function () { - this.createFreshTokenTracker() -} - -TokenBalance.prototype.createFreshTokenTracker = function () { - if (this.tracker) { - // Clean up old trackers when refreshing: - this.tracker.stop() - this.tracker.removeListener('update', this.balanceUpdater) - this.tracker.removeListener('error', this.showError) - } - - if (!global.ethereumProvider) return - const { userAddress, token } = this.props - - this.tracker = new TokenTracker({ - userAddress, - provider: global.ethereumProvider, - tokens: [token], - pollingInterval: 8000, - }) - - - // Set up listener instances for cleaning up - this.balanceUpdater = this.updateBalance.bind(this) - this.showError = error => { - this.setState({ error, isLoading: false }) - } - this.tracker.on('update', this.balanceUpdater) - this.tracker.on('error', this.showError) - - this.tracker.updateBalances() - .then(() => { - this.updateBalance(this.tracker.serialize()) - }) - .catch((reason) => { - log.error(`Problem updating balances`, reason) - this.setState({ isLoading: false }) - }) -} - -TokenBalance.prototype.componentDidUpdate = function (nextProps) { - const { - userAddress: oldAddress, - token: { address: oldTokenAddress }, - } = this.props - const { - userAddress: newAddress, - token: { address: newTokenAddress }, - } = nextProps - - if ((!oldAddress || !newAddress) && (!oldTokenAddress || !newTokenAddress)) return - if ((oldAddress === newAddress) && (oldTokenAddress === newTokenAddress)) return - - this.setState({ isLoading: true }) - this.createFreshTokenTracker() -} - -TokenBalance.prototype.updateBalance = function (tokens = []) { - if (!this.tracker.running) { - return - } - - const [{ string, symbol }] = tokens - - this.setState({ - string, - symbol, - isLoading: false, - }) -} - -TokenBalance.prototype.componentWillUnmount = function () { - if (!this.tracker) return - this.tracker.stop() - this.tracker.removeListener('update', this.balanceUpdater) - this.tracker.removeListener('error', this.showError) -} - |