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| 1 | +import Wei from '@synthetixio/wei'; |
| 2 | +import { FC, memo, useCallback, useMemo, useState } from 'react'; |
| 3 | +import { useTranslation } from 'react-i18next'; |
| 4 | +import styled from 'styled-components'; |
| 5 | + |
| 6 | +import Button from 'components/Button'; |
| 7 | +import NumericInput from 'components/Input/NumericInput'; |
| 8 | +import SegmentedControl from 'components/SegmentedControl'; |
| 9 | +import { DEFAULT_CRYPTO_DECIMALS, DEFAULT_TOKEN_DECIMALS } from 'constants/defaults'; |
| 10 | +import { StakingCard } from 'sections/dashboard/Stake/common'; |
| 11 | +import { FlexDivRowCentered, numericValueCSS } from 'styles/common'; |
| 12 | +import { toWei, truncateNumbers } from 'utils/formatters/number'; |
| 13 | + |
| 14 | +type StakeCardProps = { |
| 15 | + title: string; |
| 16 | + stakeBalance: Wei; |
| 17 | + unstakeBalance: Wei; |
| 18 | + onStake(amount: string): void; |
| 19 | + onUnstake(amount: string): void; |
| 20 | + stakeEnabled?: boolean; |
| 21 | + unstakeEnabled?: boolean; |
| 22 | + isApproved?: boolean; |
| 23 | + onApprove?: () => void; |
| 24 | +}; |
| 25 | + |
| 26 | +const StakeCard: FC<StakeCardProps> = memo( |
| 27 | + ({ |
| 28 | + title, |
| 29 | + stakeBalance, |
| 30 | + unstakeBalance, |
| 31 | + onStake, |
| 32 | + onUnstake, |
| 33 | + stakeEnabled = true, |
| 34 | + unstakeEnabled = true, |
| 35 | + isApproved, |
| 36 | + onApprove, |
| 37 | + }) => { |
| 38 | + const { t } = useTranslation(); |
| 39 | + |
| 40 | + const [amount, setAmount] = useState(''); |
| 41 | + const [activeTab, setActiveTab] = useState(0); |
| 42 | + |
| 43 | + const balance = useMemo(() => { |
| 44 | + return activeTab === 0 ? stakeBalance : unstakeBalance; |
| 45 | + }, [activeTab, stakeBalance, unstakeBalance]); |
| 46 | + |
| 47 | + const isEnabled = useMemo(() => { |
| 48 | + return toWei(amount).gt(0) && balance.gt(0); |
| 49 | + }, [amount, balance]); |
| 50 | + |
| 51 | + const isStakeEnabled = useMemo(() => { |
| 52 | + return activeTab === 0 && isEnabled && stakeEnabled; |
| 53 | + }, [activeTab, isEnabled, stakeEnabled]); |
| 54 | + |
| 55 | + const isUnstakeEnabled = useMemo(() => { |
| 56 | + return activeTab === 1 && isEnabled && unstakeEnabled; |
| 57 | + }, [activeTab, isEnabled, unstakeEnabled]); |
| 58 | + |
| 59 | + const isDisabled = useMemo(() => { |
| 60 | + return activeTab === 0 ? !isStakeEnabled : !isUnstakeEnabled; |
| 61 | + }, [activeTab, isStakeEnabled, isUnstakeEnabled]); |
| 62 | + |
| 63 | + const balanceString = useMemo(() => { |
| 64 | + return truncateNumbers(balance, DEFAULT_CRYPTO_DECIMALS); |
| 65 | + }, [balance]); |
| 66 | + |
| 67 | + const onMaxClick = useCallback(() => { |
| 68 | + setAmount(truncateNumbers(balance, DEFAULT_TOKEN_DECIMALS)); |
| 69 | + }, [balance]); |
| 70 | + |
| 71 | + const handleTabChange = useCallback((tabIndex: number) => { |
| 72 | + setAmount(''); |
| 73 | + setActiveTab(tabIndex); |
| 74 | + }, []); |
| 75 | + |
| 76 | + const handleSubmit = useCallback(() => { |
| 77 | + if (!isApproved) { |
| 78 | + onApprove?.(); |
| 79 | + } else if (isStakeEnabled) { |
| 80 | + onStake(amount); |
| 81 | + } else if (isUnstakeEnabled) { |
| 82 | + onUnstake(amount); |
| 83 | + } |
| 84 | + }, [isStakeEnabled, isUnstakeEnabled, onStake, onUnstake, amount, onApprove, isApproved]); |
| 85 | + |
| 86 | + const handleChange = useCallback((_, newValue: string) => { |
| 87 | + if (newValue !== '' && newValue.indexOf('.') === -1) { |
| 88 | + setAmount(parseFloat(newValue).toString()); |
| 89 | + } else { |
| 90 | + setAmount(newValue); |
| 91 | + } |
| 92 | + }, []); |
| 93 | + |
| 94 | + return ( |
| 95 | + <StakingInputCardContainer> |
| 96 | + <SegmentedControl |
| 97 | + values={[ |
| 98 | + t('dashboard.stake.tabs.stake-table.stake'), |
| 99 | + t('dashboard.stake.tabs.stake-table.unstake'), |
| 100 | + ]} |
| 101 | + onChange={handleTabChange} |
| 102 | + selectedIndex={activeTab} |
| 103 | + /> |
| 104 | + <StakeInputContainer> |
| 105 | + <StakeInputHeader> |
| 106 | + <div>{title}</div> |
| 107 | + <StyledFlexDivRowCentered> |
| 108 | + <div>{t('dashboard.stake.tabs.stake-table.balance')}</div> |
| 109 | + <div className="max" onClick={onMaxClick}> |
| 110 | + {balanceString} |
| 111 | + </div> |
| 112 | + </StyledFlexDivRowCentered> |
| 113 | + </StakeInputHeader> |
| 114 | + <StyledInput value={amount} onChange={handleChange} /> |
| 115 | + </StakeInputContainer> |
| 116 | + <Button fullWidth variant="flat" size="sm" disabled={isDisabled} onClick={handleSubmit}> |
| 117 | + {!isApproved |
| 118 | + ? t('dashboard.stake.tabs.stake-table.approve') |
| 119 | + : activeTab === 0 |
| 120 | + ? t('dashboard.stake.tabs.stake-table.stake') |
| 121 | + : t('dashboard.stake.tabs.stake-table.unstake')} |
| 122 | + </Button> |
| 123 | + </StakingInputCardContainer> |
| 124 | + ); |
| 125 | + } |
| 126 | +); |
| 127 | + |
| 128 | +const StyledFlexDivRowCentered = styled(FlexDivRowCentered)` |
| 129 | + column-gap: 5px; |
| 130 | +`; |
| 131 | + |
| 132 | +const StakingInputCardContainer = styled(StakingCard)` |
| 133 | + min-height: 125px; |
| 134 | + max-height: 250px; |
| 135 | + display: flex; |
| 136 | + flex-direction: column; |
| 137 | + justify-content: space-between; |
| 138 | +`; |
| 139 | + |
| 140 | +const StakeInputHeader = styled.div` |
| 141 | + display: flex; |
| 142 | + justify-content: space-between; |
| 143 | + align-items: center; |
| 144 | + margin-bottom: 10px; |
| 145 | + color: ${(props) => props.theme.colors.selectedTheme.title}; |
| 146 | + font-size: 14px; |
| 147 | +
|
| 148 | + .max { |
| 149 | + cursor: pointer; |
| 150 | + color: ${(props) => props.theme.colors.selectedTheme.button.text.primary}; |
| 151 | + ${numericValueCSS}; |
| 152 | + } |
| 153 | +`; |
| 154 | + |
| 155 | +const StakeInputContainer = styled.div` |
| 156 | + margin: 20px 0; |
| 157 | +`; |
| 158 | + |
| 159 | +const StyledInput = styled(NumericInput)` |
| 160 | + font-family: ${(props) => props.theme.fonts.monoBold}; |
| 161 | +`; |
| 162 | + |
| 163 | +export default StakeCard; |
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