133 lines
3.1 KiB
Vue
133 lines
3.1 KiB
Vue
<template>
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<div class="field field-slider">
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<div class="label">
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Gas Price
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<b-field :class="hasError ? 'is-warning' : ''">
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<b-input
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ref="gasPriceInput"
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v-model.number="input"
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type="number"
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:min="0"
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custom-class="hide-spinner"
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:use-html5-validation="false"
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expanded
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:style="{ width: reactiveWidth }"
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></b-input>
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<div class="control has-text" @click="$refs.gasPriceInput.focus()">
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<span>Gwei</span>
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</div>
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</b-field>
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</div>
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<b-slider
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v-model="slider"
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:min="0"
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:max="2"
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:custom-formatter="tooltipFormat"
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bigger-slider-focus
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lazy
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rounded
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@change="onChange"
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>
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<template v-for="(val, index) of Object.keys(gasPrices).filter((k) => k !== 'instant')">
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<b-slider-tick :key="val" :value="index">{{ $t(`gasPriceSlider.${val}`) }}</b-slider-tick>
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</template>
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</b-slider>
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</div>
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</template>
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<script>
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import { mapGetters } from 'vuex'
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import { debounce } from '@/utils'
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const { toWei, toHex } = require('web3-utils')
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export default {
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inheritAttrs: false,
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data() {
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return {
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input: null,
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slider: 2,
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hasError: false,
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reactiveWidth: ''
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}
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},
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computed: {
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...mapGetters('gasPrices', ['gasPrices'])
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},
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watch: {
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input: {
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handler(gasPrice) {
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this.setWidth(gasPrice)
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debounce(this.validateGasPrice, gasPrice)
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}
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}
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},
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mounted() {
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this.input = this.gasPrices.fast
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this.setWidth(this.input)
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},
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methods: {
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onChange(index) {
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this.input = this.getValueFromIndex(index)
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},
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tooltipFormat(index) {
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return this.getValueFromIndex(index)
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},
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getValueFromIndex(index) {
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switch (Number(index)) {
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case 2:
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return this.gasPrices.fast
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case 1:
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return this.gasPrices.standard
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case 0:
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return this.gasPrices.low
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}
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},
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validateGasPrice(gasPrice) {
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try {
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let speed = ''
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this.hasError = false
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if (gasPrice === '') {
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throw new Error('must not be an empty')
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}
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if (gasPrice <= 0) {
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throw new Error('must be greater than zero')
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}
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if (gasPrice < this.gasPrices.standard) {
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speed = 'low'
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this.slider = 0
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} else if (gasPrice === this.gasPrices.standard) {
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this.slider = 1
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speed = 'standard'
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} else {
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this.slider = 2
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speed = 'fast'
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}
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if (gasPrice) {
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gasPrice = {
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speed,
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value: toHex(toWei(gasPrice.toString(), 'gwei'))
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}
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}
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this.$emit('input', gasPrice)
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} catch (e) {
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// eslint-disable-next-line no-console
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console.error('Invalid gas price:', e.message)
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this.hasError = true
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} finally {
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this.$emit('validate', !this.hasError)
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}
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},
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setWidth(value) {
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if (!value) {
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value = 0
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}
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this.reactiveWidth = `${Math.min(75, Math.max(35, 19 + value && value.toString().length * 12))}px`
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}
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}
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}
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</script>
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