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metamask-extension/ui/app/higher-order-components/with-method-data/with-method-data.component.js

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import React, { PureComponent } from 'react'
import PropTypes from 'prop-types'
import { getMethodData } from '../../helpers/transactions.util'
export default function withMethodData (WrappedComponent) {
return class MethodDataWrappedComponent extends PureComponent {
static propTypes = {
transaction: PropTypes.object,
}
static defaultProps = {
transaction: {},
}
state = {
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methodData: {},
done: false,
error: null,
}
componentDidMount () {
this.fetchMethodData()
}
async fetchMethodData () {
const { transaction } = this.props
const { txParams: { data = '' } = {} } = transaction
if (data) {
try {
const methodData = await getMethodData(data)
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this.setState({ methodData, done: true })
} catch (error) {
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this.setState({ done: true, error })
}
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} else {
this.setState({ done: true })
}
}
render () {
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const { methodData, done, error } = this.state
return (
<WrappedComponent
{ ...this.props }
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methodData={{ data: methodData, done, error }}
/>
)
}
}
}