Merge branch 'master' into mascara-deploy

1 files changed, 173 insertions, 0 deletions

diff --git a/ui/app/components/token-list.js b/ui/app/components/token-list.js
new file mode 100644
index 000000000..8e06e0f27
--- /dev/null
+++ b/ui/app/components/token-list.js
@@ -0,0 +1,173 @@
+const Component = require('react').Component
+const h = require('react-hyperscript')
+const inherits = require('util').inherits
+const TokenTracker = require('eth-token-tracker')
+const TokenCell = require('./token-cell.js')
+const connect = require('react-redux').connect
+const selectors = require('../selectors')
+
+function mapStateToProps (state) {
+  return {
+    network: state.metamask.network,
+    tokens: state.metamask.tokens,
+    userAddress: selectors.getSelectedAddress(state),
+  }
+}
+
+const defaultTokens = []
+const contracts = require('eth-contract-metadata')
+for (const address in contracts) {
+  const contract = contracts[address]
+  if (contract.erc20) {
+    contract.address = address
+    defaultTokens.push(contract)
+  }
+}
+
+module.exports = connect(mapStateToProps)(TokenList)
+
+inherits(TokenList, Component)
+function TokenList () {
+  this.state = {
+    tokens: [],
+    isLoading: true,
+    network: null,
+  }
+  Component.call(this)
+}
+
+TokenList.prototype.render = function () {
+  const { userAddress } = this.props
+  const state = this.state
+  const { tokens, isLoading, error } = state
+
+  if (isLoading) {
+    return this.message('Loading Tokens...')
+  }
+
+  if (error) {
+    log.error(error)
+    return h('.hotFix', {
+      style: {
+        padding: '80px',
+      },
+    }, [
+      'We had trouble loading your token balances. You can view them ',
+      h('span.hotFix', {
+        style: {
+          color: 'rgba(247, 134, 28, 1)',
+          cursor: 'pointer',
+        },
+        onClick: () => {
+          global.platform.openWindow({
+          url: `https://ethplorer.io/address/${userAddress}`,
+        })
+        },
+      }, 'here'),
+    ])
+  }
+
+  return h('div', tokens.map((tokenData) => h(TokenCell, tokenData)))
+
+}
+
+TokenList.prototype.message = function (body) {
+  return h('div', {
+    style: {
+      display: 'flex',
+      height: '250px',
+      alignItems: 'center',
+      justifyContent: 'center',
+      padding: '30px',
+    },
+  }, body)
+}
+
+TokenList.prototype.componentDidMount = function () {
+  this.createFreshTokenTracker()
+}
+
+TokenList.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 } = this.props
+
+  this.tracker = new TokenTracker({
+    userAddress,
+    provider: global.ethereumProvider,
+    tokens: this.props.tokens,
+    pollingInterval: 8000,
+  })
+
+
+  // Set up listener instances for cleaning up
+  this.balanceUpdater = this.updateBalances.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.updateBalances(this.tracker.serialize())
+  })
+  .catch((reason) => {
+    log.error(`Problem updating balances`, reason)
+    this.setState({ isLoading: false })
+  })
+}
+
+TokenList.prototype.componentDidUpdate = function (nextProps) {
+  const {
+    network: oldNet,
+    userAddress: oldAddress,
+    tokens,
+  } = this.props
+  const {
+    network: newNet,
+    userAddress: newAddress,
+    tokens: newTokens,
+  } = nextProps
+
+  const isLoading = newNet === 'loading'
+  const missingInfo = !oldNet || !newNet || !oldAddress || !newAddress
+  const sameUserAndNetwork = oldAddress === newAddress && oldNet === newNet
+  const shouldUpdateTokens = isLoading || missingInfo || sameUserAndNetwork
+
+  const oldTokensLength = tokens ? tokens.length : 0
+  const tokensLengthUnchanged = oldTokensLength === newTokens.length
+
+  if (tokensLengthUnchanged && shouldUpdateTokens) return
+
+  this.setState({ isLoading: true })
+  this.createFreshTokenTracker()
+}
+
+TokenList.prototype.updateBalances = function (tokens) {
+  this.setState({ tokens, isLoading: false })
+}
+
+TokenList.prototype.componentWillUnmount = function () {
+  if (!this.tracker) return
+  this.tracker.stop()
+}
+
+// function uniqueMergeTokens (tokensA, tokensB = []) {
+//   const uniqueAddresses = []
+//   const result = []
+//   tokensA.concat(tokensB).forEach((token) => {
+//     const normal = normalizeAddress(token.address)
+//     if (!uniqueAddresses.includes(normal)) {
+//       uniqueAddresses.push(normal)
+//       result.push(token)
+//     }
+//   })
+//   return result
+// }