All files / app/pages/stacking/direct-stacking/components direct-stacking-info-card.tsx

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import {
  InfoCard,
  InfoCardLabel as Label,
  InfoCardRow as Row,
  InfoCardGroup as Group,
  InfoCardValue as Value,
  InfoCardSection as Section,
} from '../../../../components/info-card';
import { calculateRewardSlots, calculateStackingBuffer } from '../../utils/calc-stacking-buffer';
import { Hr } from '@components/hr';
import { UI_IMPOSED_MAX_STACKING_AMOUNT_USTX } from '@constants/index';
import { Box, Flex, FlexProps, Text } from '@stacks/ui';
import { selectPoxInfo } from '@store/stacking';
import { parseNumericalFormInput } from '@utils/form/parse-numerical-form-input';
import { truncateMiddle } from '@utils/tx-utils';
import { stxToMicroStx, toHumanReadableStx } from '@utils/unit-convert';
import { BigNumber } from 'bignumber.js';
import dayjs from 'dayjs';
import React, { FC, useMemo } from 'react';
import { useSelector } from 'react-redux';
 
interface StackingInfoCardProps extends FlexProps {
  cycles: number;
  duration: string;
  startDate: Date;
  blocksPerCycle: number;
  btcAddress: string;
  amount: number | string | null;
  fee: BigNumber;
}
export const DirectStackingInfoCard: FC<StackingInfoCardProps> = props => {
  const { cycles, duration, amount, btcAddress, blocksPerCycle, startDate, fee, ...rest } = props;
 
  const poxInfo = useSelector(selectPoxInfo);
 
  const amountToBeStacked = useMemo(
    () => stxToMicroStx(parseNumericalFormInput(amount)).integerValue(),
    [amount]
  );
 
  const humanReadableAmount = useMemo(() => {
    // There is no enforced upper limit for direct stacking
    // but for rididuclous numbers we don't display in UI to prevent layouts breaking
    Iif (amountToBeStacked.isGreaterThan(UI_IMPOSED_MAX_STACKING_AMOUNT_USTX.multipliedBy(100))) {
      return '—';
    }
    return toHumanReadableStx(amountToBeStacked);
  }, [amountToBeStacked]);
 
  const numberOfRewardSlots = calculateRewardSlots(
    amountToBeStacked,
    new BigNumber(poxInfo?.min_amount_ustx || 0)
  ).integerValue();
 
  const buffer = calculateStackingBuffer(
    amountToBeStacked,
    new BigNumber(poxInfo?.min_amount_ustx || 0)
  );
 
  return (
    <InfoCard minHeight="84px" {...rest}>
      <Box mx={['loose', 'extra-loose']}>
        <Flex flexDirection="column" pt="extra-loose" pb="base-loose">
          <Text textStyle="body.large.medium">You&apos;ll lock</Text>
          <Text
            fontSize="24px"
            mt="extra-tight"
            fontWeight={500}
            fontFamily="Open Sauce"
            letterSpacing="-0.02em"
          >
            {humanReadableAmount}
          </Text>
        </Flex>
        <Hr />
        <Group width="100%" mt="base-loose" mb="extra-loose">
          <Section>
            <Row>
              <Label explainer="This is the estimated number of reward slots. The minimum can change before the next cycle begins.">
                Reward slots
              </Label>
              <Value>{numberOfRewardSlots.toString()}</Value>
            </Row>
 
            <Row>
              <Label>Buffer</Label>
              <Value>{buffer.isEqualTo(0) ? 'No buffer' : toHumanReadableStx(buffer)}</Value>
            </Row>
          </Section>
 
          <Section>
            <Row>
              <Label
                explainer={`One cycle lasts ${blocksPerCycle} blocks on the Bitcoin blockchain`}
              >
                Cycles
              </Label>
              <Value>{cycles}</Value>
            </Row>
 
            <Row>
              <Label>Start date</Label>
              <Value>{dayjs(startDate).format('MMMM DD')}</Value>
            </Row>
 
            <Row>
              <Label explainer="The duration is an estimation that varies depending on the Bitcoin block time">
                Duration
              </Label>
              <Value>~{duration}</Value>
            </Row>
          </Section>
 
          <Section>
            <Row>
              <Label>Bitcoin address</Label>
              <Value>{btcAddress ? truncateMiddle(btcAddress) : '—'}</Value>
            </Row>
          </Section>
 
          <Section>
            <Row>
              <Label>Fee</Label>
              <Value>{toHumanReadableStx(fee).toString()}</Value>
            </Row>
          </Section>
        </Group>
      </Box>
    </InfoCard>
  );
};