Add withMethodData HOC, add higher-order-component folder

1 files changed, 0 insertions, 108 deletions

diff --git a/ui/app/helpers/with-token-tracker.js b/ui/app/helpers/with-token-tracker.js
deleted file mode 100644
index 8608b15f4..000000000
--- a/ui/app/helpers/with-token-tracker.js
+++ /dev/null
@@ -1,108 +0,0 @@
-import React, { Component } from 'react'
-import PropTypes from 'prop-types'
-import TokenTracker from 'eth-token-tracker'
-
-const withTokenTracker = WrappedComponent => {
-  return class TokenTrackerWrappedComponent extends Component {
-    static propTypes = {
-      userAddress: PropTypes.string.isRequired,
-      token: PropTypes.object.isRequired,
-    }
-
-    constructor (props) {
-      super(props)
-
-      this.state = {
-        string: '',
-        symbol: '',
-        error: null,
-      }
-
-      this.tracker = null
-      this.updateBalance = this.updateBalance.bind(this)
-      this.setError = this.setError.bind(this)
-    }
-
-    componentDidMount () {
-      this.createFreshTokenTracker()
-    }
-
-    componentDidUpdate (prevProps) {
-      const { userAddress: newAddress, token: { address: newTokenAddress } } = this.props
-      const { userAddress: oldAddress, token: { address: oldTokenAddress } } = prevProps
-
-      if ((oldAddress === newAddress) && (oldTokenAddress === newTokenAddress)) {
-        return
-      }
-
-      if ((!oldAddress || !newAddress) && (!oldTokenAddress || !newTokenAddress)) {
-        return
-      }
-
-      this.createFreshTokenTracker()
-    }
-
-    componentWillUnmount () {
-      this.removeListeners()
-    }
-
-    createFreshTokenTracker () {
-      this.removeListeners()
-
-      if (!global.ethereumProvider) {
-        return
-      }
-
-      const { userAddress, token } = this.props
-
-      this.tracker = new TokenTracker({
-        userAddress,
-        provider: global.ethereumProvider,
-        tokens: [token],
-        pollingInterval: 8000,
-      })
-
-      this.tracker.on('update', this.updateBalance)
-      this.tracker.on('error', this.setError)
-
-      this.tracker.updateBalances()
-        .then(() => this.updateBalance(this.tracker.serialize()))
-        .catch(error => this.setState({ error: error.message }))
-    }
-
-    setError (error) {
-      this.setState({ error })
-    }
-
-    updateBalance (tokens = []) {
-      if (!this.tracker.running) {
-        return
-      }
-      const [{ string, symbol }] = tokens
-      this.setState({ string, symbol, error: null })
-    }
-
-    removeListeners () {
-      if (this.tracker) {
-        this.tracker.stop()
-        this.tracker.removeListener('update', this.updateBalance)
-        this.tracker.removeListener('error', this.setError)
-      }
-    }
-
-    render () {
-      const { string, symbol, error } = this.state
-
-      return (
-        <WrappedComponent
-          { ...this.props }
-          string={string}
-          symbol={symbol}
-          error={error}
-        />
-      )
-    }
-  }
-}
-
-module.exports = withTokenTracker