From 09c1fb716d0b66918c09075de0d36fa5ec79829c Mon Sep 17 00:00:00 2001
From: Jaco Greeff <jacogr@gmail.com>
Date: Fri, 12 Mar 2021 13:08:25 +0100
Subject: [PATCH] Initial display for auction bids (#4828)

* Initial display for auction bids

* Dedupe bids
---
 packages/page-bounties/src/Bounty.tsx         |  4 --
 .../page-parachains/src/Auctions/Auction.tsx  | 37 +++++------
 packages/page-parachains/src/Auctions/Bid.tsx |  4 +-
 .../page-parachains/src/Auctions/Summary.tsx  | 15 ++++-
 .../page-parachains/src/Auctions/WinBlock.tsx | 35 ++++++++++
 .../page-parachains/src/Auctions/WinRange.tsx | 47 +++++++++++++
 .../page-parachains/src/Auctions/index.tsx    | 10 ++-
 .../page-parachains/src/Auctions/types.ts     | 16 +++++
 .../src/Auctions/useWinningData.ts            | 66 +++++++++++++++++++
 .../src/Crowdloan/FundContribute.tsx          | 13 ++--
 packages/react-components/src/Table/Body.tsx  |  4 ++
 packages/react-hooks/src/index.ts             |  1 +
 .../react-hooks/src/useExtrinsicTrigger.ts    | 34 ++++++++++
 13 files changed, 253 insertions(+), 33 deletions(-)
 create mode 100644 packages/page-parachains/src/Auctions/WinBlock.tsx
 create mode 100644 packages/page-parachains/src/Auctions/WinRange.tsx
 create mode 100644 packages/page-parachains/src/Auctions/types.ts
 create mode 100644 packages/page-parachains/src/Auctions/useWinningData.ts
 create mode 100644 packages/react-hooks/src/useExtrinsicTrigger.ts

diff --git a/packages/page-bounties/src/Bounty.tsx b/packages/page-bounties/src/Bounty.tsx
index a389914518..3d8424e6b8 100644
--- a/packages/page-bounties/src/Bounty.tsx
+++ b/packages/page-bounties/src/Bounty.tsx
@@ -209,10 +209,6 @@ export default React.memo(styled(Bounty)(({ theme }: ThemeProps) => `
     visibility: visible;
   }
 
-  &.noBorder td {
-    border-bottom: 1px solid transparent;
-  }
-
   .description-column {
     max-width: 200px;
 
diff --git a/packages/page-parachains/src/Auctions/Auction.tsx b/packages/page-parachains/src/Auctions/Auction.tsx
index 8cc56eef5a..e9ee000a92 100644
--- a/packages/page-parachains/src/Auctions/Auction.tsx
+++ b/packages/page-parachains/src/Auctions/Auction.tsx
@@ -6,10 +6,10 @@ import type { AuctionIndex, BlockNumber, LeasePeriodOf } from '@polkadot/types/i
 import React, { useRef } from 'react';
 
 import { Table } from '@polkadot/react-components';
-import { formatNumber } from '@polkadot/util';
 
 import { useTranslation } from '../translate';
-import Bid from './Bid';
+import useWinningData from './useWinningData';
+import WinBlock from './WinBlock';
 
 interface Props {
   auctionInfo: [LeasePeriodOf, BlockNumber] | null;
@@ -19,32 +19,31 @@ interface Props {
 
 function Auction ({ auctionInfo, className, numAuctions }: Props): React.ReactElement<Props> {
   const { t } = useTranslation();
+  const winningData = useWinningData();
 
   const headerRef = useRef([
-    [t('auctions'), 'start', 1],
-    [t('duration'), 'number'],
-    [t('lease period'), 'number'],
-    [t('winning'), 'number', 3],
-    []
+    [t('winners'), 'start', 4],
+    [t('range'), 'start'],
+    [t('value'), 'number']
   ]);
 
   return (
     <Table
       className={className}
-      empty={numAuctions && t<string>('No ongoing auction')}
+      empty={winningData && numAuctions && auctionInfo
+        ? t<string>('No winners in this auction')
+        : t<string>('No ongoing auction')
+      }
       header={headerRef.current}
     >
-      {auctionInfo && numAuctions && (
-        <tr>
-          <td className='number'><h1>{formatNumber(numAuctions)}</h1></td>
-          <td className='number all'>{formatNumber(auctionInfo[1])}</td>
-          <td className='number'>{formatNumber(auctionInfo[0])}</td>
-          <td colSpan={3} />
-          <td className='button'>
-            <Bid id={numAuctions} />
-          </td>
-        </tr>
-      )}
+      {winningData?.map((value, count) => (
+        <WinBlock
+          isEven={!!(count % 2)}
+          key={value.blockNumber.toString()}
+          latestBlockNumber={winningData[0].blockNumber}
+          value={value}
+        />
+      ))}
     </Table>
   );
 }
diff --git a/packages/page-parachains/src/Auctions/Bid.tsx b/packages/page-parachains/src/Auctions/Bid.tsx
index 8bfd0b56ce..51068d5e3f 100644
--- a/packages/page-parachains/src/Auctions/Bid.tsx
+++ b/packages/page-parachains/src/Auctions/Bid.tsx
@@ -14,7 +14,7 @@ import { useTranslation } from '../translate';
 
 interface Props {
   className?: string;
-  id: AuctionIndex;
+  id: AuctionIndex | null;
 }
 
 function Bid ({ className, id }: Props): React.ReactElement<Props> {
@@ -34,7 +34,7 @@ function Bid ({ className, id }: Props): React.ReactElement<Props> {
     <>
       <Button
         icon='plus'
-        isDisabled={!hasAccounts}
+        isDisabled={!hasAccounts || !id}
         label={t<string>('Bid')}
         onClick={toggleOpen}
       />
diff --git a/packages/page-parachains/src/Auctions/Summary.tsx b/packages/page-parachains/src/Auctions/Summary.tsx
index 6474976c0d..340d674664 100644
--- a/packages/page-parachains/src/Auctions/Summary.tsx
+++ b/packages/page-parachains/src/Auctions/Summary.tsx
@@ -1,7 +1,7 @@
 // Copyright 2017-2021 @polkadot/app-auctions authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { AuctionIndex } from '@polkadot/types/interfaces';
+import type { AuctionIndex, BlockNumber, LeasePeriodOf } from '@polkadot/types/interfaces';
 
 import React from 'react';
 
@@ -11,11 +11,12 @@ import { formatNumber } from '@polkadot/util';
 import { useTranslation } from '../translate';
 
 interface Props {
+  auctionInfo: [LeasePeriodOf, BlockNumber] | null;
   className?: string;
   numAuctions?: AuctionIndex | null;
 }
 
-function Summary ({ className, numAuctions }: Props): React.ReactElement<Props> {
+function Summary ({ auctionInfo, className, numAuctions }: Props): React.ReactElement<Props> {
   const { t } = useTranslation();
 
   return (
@@ -23,6 +24,16 @@ function Summary ({ className, numAuctions }: Props): React.ReactElement<Props>
       <CardSummary label={t<string>('auctions')}>
         {formatNumber(numAuctions)}
       </CardSummary>
+      {auctionInfo && (
+        <section>
+          <CardSummary label={t<string>('period')}>
+            {formatNumber(auctionInfo[0])}
+          </CardSummary>
+          <CardSummary label={t<string>('duration')}>
+            {formatNumber(auctionInfo[1])}
+          </CardSummary>
+        </section>
+      )}
     </SummaryBox>
   );
 }
diff --git a/packages/page-parachains/src/Auctions/WinBlock.tsx b/packages/page-parachains/src/Auctions/WinBlock.tsx
new file mode 100644
index 0000000000..8e9cd92816
--- /dev/null
+++ b/packages/page-parachains/src/Auctions/WinBlock.tsx
@@ -0,0 +1,35 @@
+// Copyright 2017-2021 @polkadot/app-crowdloan authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { BlockNumber } from '@polkadot/types/interfaces';
+import type { Winning } from './types';
+
+import React from 'react';
+
+import WinRange from './WinRange';
+
+interface Props {
+  className?: string;
+  isEven: boolean;
+  latestBlockNumber: BlockNumber;
+  value: Winning;
+}
+
+function WinBlock ({ className = '', isEven, latestBlockNumber, value: { blockNumber, winners } }: Props): React.ReactElement<Props> {
+  return (
+    <>
+      {winners.map((value, index) => (
+        <WinRange
+          blockNumber={blockNumber}
+          className={`${className} ${isEven ? 'isEven' : 'isOdd'} ${index === (winners.length - 1) ? '' : 'noBorder'}`}
+          isFirst={index === 0}
+          key={index}
+          latestBlockNumber={latestBlockNumber}
+          value={value}
+        />
+      ))}
+    </>
+  );
+}
+
+export default React.memo(WinBlock);
diff --git a/packages/page-parachains/src/Auctions/WinRange.tsx b/packages/page-parachains/src/Auctions/WinRange.tsx
new file mode 100644
index 0000000000..dc0a073c7f
--- /dev/null
+++ b/packages/page-parachains/src/Auctions/WinRange.tsx
@@ -0,0 +1,47 @@
+// Copyright 2017-2021 @polkadot/app-crowdloan authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { BlockNumber } from '@polkadot/types/interfaces';
+import type { WinnerData } from './types';
+
+import React from 'react';
+
+import { AddressMini, ParaLink } from '@polkadot/react-components';
+import { FormatBalance } from '@polkadot/react-query';
+import { formatNumber } from '@polkadot/util';
+
+import { useTranslation } from '../translate';
+
+interface Props {
+  blockNumber: BlockNumber;
+  className?: string;
+  isFirst: boolean;
+  latestBlockNumber: BlockNumber;
+  value: WinnerData;
+}
+
+function WinRanges ({ blockNumber, className = '', isFirst, latestBlockNumber, value: { accountId, paraId, range, value } }: Props): React.ReactElement<Props> {
+  const { t } = useTranslation();
+
+  return (
+    <tr className={className}>
+      <td>
+        {isFirst && (
+          <h1>
+            {blockNumber.eq(latestBlockNumber)
+              ? t<string>('latest')
+              : <>-{formatNumber(latestBlockNumber.sub(blockNumber))}</>
+            }
+          </h1>
+        )}
+      </td>
+      <td className='number'><h1>{formatNumber(paraId)}</h1></td>
+      <td><ParaLink id={paraId} /></td>
+      <td className='address'><AddressMini value={accountId} /></td>
+      <td>{range}</td>
+      <td className='number'><FormatBalance value={value} /></td>
+    </tr>
+  );
+}
+
+export default React.memo(WinRanges);
diff --git a/packages/page-parachains/src/Auctions/index.tsx b/packages/page-parachains/src/Auctions/index.tsx
index e527183ef8..a408bc1feb 100644
--- a/packages/page-parachains/src/Auctions/index.tsx
+++ b/packages/page-parachains/src/Auctions/index.tsx
@@ -7,9 +7,11 @@ import type { ITuple } from '@polkadot/types/types';
 
 import React from 'react';
 
+import { Button } from '@polkadot/react-components';
 import { useApi, useCallMulti } from '@polkadot/react-hooks';
 
 import Auction from './Auction';
+import Bid from './Bid';
 import Summary from './Summary';
 
 interface Props {
@@ -41,7 +43,13 @@ function Auctions ({ className }: Props): React.ReactElement<Props> {
 
   return (
     <div className={className}>
-      <Summary numAuctions={numAuctions} />
+      <Summary
+        auctionInfo={auctionInfo}
+        numAuctions={numAuctions}
+      />
+      <Button.Group>
+        <Bid id={auctionInfo && numAuctions} />
+      </Button.Group>
       <Auction
         auctionInfo={auctionInfo}
         numAuctions={numAuctions}
diff --git a/packages/page-parachains/src/Auctions/types.ts b/packages/page-parachains/src/Auctions/types.ts
new file mode 100644
index 0000000000..6c127a579a
--- /dev/null
+++ b/packages/page-parachains/src/Auctions/types.ts
@@ -0,0 +1,16 @@
+// Copyright 2017-2021 @polkadot/app-crowdloan authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { AccountId, BalanceOf, BlockNumber, ParaId } from '@polkadot/types/interfaces';
+
+export interface WinnerData {
+  accountId: AccountId;
+  paraId: ParaId;
+  range: string;
+  value: BalanceOf;
+}
+
+export interface Winning {
+  blockNumber: BlockNumber;
+  winners: WinnerData[];
+}
diff --git a/packages/page-parachains/src/Auctions/useWinningData.ts b/packages/page-parachains/src/Auctions/useWinningData.ts
new file mode 100644
index 0000000000..48f7850454
--- /dev/null
+++ b/packages/page-parachains/src/Auctions/useWinningData.ts
@@ -0,0 +1,66 @@
+// Copyright 2017-2021 @polkadot/app-crowdloan authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Option, StorageKey } from '@polkadot/types';
+import type { BlockNumber, WinningData } from '@polkadot/types/interfaces';
+import type { WinnerData, Winning } from './types';
+
+import { useEffect, useState } from 'react';
+
+import { useApi, useExtrinsicTrigger } from '@polkadot/react-hooks';
+
+const RANGES = [
+  '0-0', '0-1', '0-2', '0-3',
+  '1-1', '1-2', '1-3',
+  '2-2', '2-3',
+  '3-3'
+];
+
+function flattenData (winning: Winning[]): Winning[] {
+  return winning
+    .sort((a, b) => b.blockNumber.cmp(a.blockNumber))
+    .filter(({ winners }, index, winning) =>
+      index === 0 ||
+      JSON.stringify({ winners }) !== JSON.stringify({ winners: winning[index - 1].winners })
+    );
+}
+
+function extractData (values: [StorageKey<[BlockNumber]>, Option<WinningData>][]): Winning[] {
+  return flattenData(
+    values.reduce<Winning[]>((winning, [{ args: [blockNumber] }, optData]): Winning[] => {
+      if (optData.isSome) {
+        const winners = optData.unwrap().reduce<WinnerData[]>((winners, optEntry, index): WinnerData[] => {
+          if (optEntry.isSome) {
+            const [accountId, paraId, value] = optEntry.unwrap();
+
+            winners.push({ accountId, paraId, range: RANGES[index], value });
+          }
+
+          return winners;
+        }, []);
+
+        if (winners.length) {
+          winning.push({ blockNumber, winners });
+        }
+      }
+
+      return winning;
+    }, [])
+  );
+}
+
+export default function useWinningData (): Winning[] | null {
+  const { api } = useApi();
+  const [winning, setWinning] = useState<Winning[] | null>(null);
+  const trigger = useExtrinsicTrigger([api.tx.auctions.bid]);
+
+  useEffect((): void => {
+    trigger &&
+      api.query.auctions.winning
+        .entries<Option<WinningData>, [BlockNumber]>()
+        .then((values) => setWinning(extractData(values)))
+        .catch(console.error);
+  }, [api, trigger]);
+
+  return winning;
+}
diff --git a/packages/page-parachains/src/Crowdloan/FundContribute.tsx b/packages/page-parachains/src/Crowdloan/FundContribute.tsx
index 935c2a5580..027ae992b1 100644
--- a/packages/page-parachains/src/Crowdloan/FundContribute.tsx
+++ b/packages/page-parachains/src/Crowdloan/FundContribute.tsx
@@ -2,13 +2,14 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import type BN from 'bn.js';
+import type { UInt } from '@polkadot/types';
 import type { Balance, ParaId } from '@polkadot/types/interfaces';
 
 import React, { useMemo, useState } from 'react';
 
-import { Button, InputAddress, InputBalance, Modal, TxButton } from '@polkadot/react-components';
+import { Button, InputAddress, InputBalance, MarkWarning, Modal, TxButton } from '@polkadot/react-components';
 import { useAccounts, useApi, useToggle } from '@polkadot/react-hooks';
-import { BN_ZERO } from '@polkadot/util';
+import { BN_ZERO, formatBalance } from '@polkadot/util';
 
 import { useTranslation } from '../translate';
 
@@ -33,9 +34,9 @@ function FundContribute ({ cap, className, paraId, raised }: Props): React.React
   );
 
   // TODO verifier signature
-  // TODO check against min contribution
 
-  const isAmountError = !amount?.gt(BN_ZERO);
+  const isAmountBelow = !amount || amount.lt(api.consts.crowdloan.minContribution as UInt);
+  const isAmountError = !amount || !amount.gt(BN_ZERO) || isAmountBelow;
 
   return (
     <>
@@ -75,12 +76,14 @@ function FundContribute ({ cap, className, paraId, raised }: Props): React.React
                   maxValue={maxAmount}
                   onChange={setAmount}
                 />
+                {isAmountBelow && (
+                  <MarkWarning content={t<string>('The amount is less than the minimum allowed contribution of {{min}}', { replace: { min: formatBalance(api.consts.crowdloan.minContribution as UInt) } })} />
+                )}
               </Modal.Column>
               <Modal.Column>
                 {t<string>('The amount to contribute. Should be less than the remaining value and more than the minimum contribution amount.')}
               </Modal.Column>
             </Modal.Columns>
-
           </Modal.Content>
           <Modal.Actions onCancel={toggleOpen}>
             <TxButton
diff --git a/packages/react-components/src/Table/Body.tsx b/packages/react-components/src/Table/Body.tsx
index fa20fc6dc5..239cd70c34 100644
--- a/packages/react-components/src/Table/Body.tsx
+++ b/packages/react-components/src/Table/Body.tsx
@@ -209,6 +209,10 @@ export default React.memo(styled(Body)`
       background: transparent;
     }
 
+    &.noBorder td {
+      border-bottom: 1px solid transparent;
+    }
+
     .ui--Button-Group {
       margin: 0;
     }
diff --git a/packages/react-hooks/src/index.ts b/packages/react-hooks/src/index.ts
index d2abb62a5c..d9c78710f6 100644
--- a/packages/react-hooks/src/index.ts
+++ b/packages/react-hooks/src/index.ts
@@ -16,6 +16,7 @@ export { useContracts } from './useContracts';
 export { useFormField } from './useFormField';
 export { useDebounce } from './useDebounce';
 export { useEventTrigger } from './useEventTrigger';
+export { useExtrinsicTrigger } from './useExtrinsicTrigger';
 export { useFavorites } from './useFavorites';
 export { useIncrement } from './useIncrement';
 export { calcInflation, useInflation } from './useInflation';
diff --git a/packages/react-hooks/src/useExtrinsicTrigger.ts b/packages/react-hooks/src/useExtrinsicTrigger.ts
new file mode 100644
index 0000000000..ea150edbd9
--- /dev/null
+++ b/packages/react-hooks/src/useExtrinsicTrigger.ts
@@ -0,0 +1,34 @@
+// Copyright 2017-2021 @polkadot/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { SubmittableExtrinsicFunction } from '@polkadot/api/types';
+import type { SignedBlockExtended } from '@polkadot/api-derive/type';
+
+import { useEffect, useState } from 'react';
+
+import { isString } from '@polkadot/util';
+
+import { useApi } from './useApi';
+import { useCall } from './useCall';
+import { useIsMountedRef } from './useIsMountedRef';
+
+type ExtrinsicCheck = SubmittableExtrinsicFunction<'promise'> | string | false | undefined | null;
+
+export function useExtrinsicTrigger (checks: ExtrinsicCheck[]): string {
+  const { api } = useApi();
+  const [trigger, setTrigger] = useState('0x00');
+  const mountedRef = useIsMountedRef();
+  const block = useCall<SignedBlockExtended>(api.derive.chain.subscribeNewBlocks);
+
+  useEffect((): void => {
+    mountedRef.current && block && block.extrinsics && block.extrinsics.filter(({ extrinsic }) =>
+      extrinsic && checks.some((check) => check && (
+        isString(check)
+          ? extrinsic.method.section === check
+          : check.is(extrinsic)
+      ))
+    ).length && setTrigger(() => block.createdAtHash?.toHex() || '0x00');
+  }, [block, checks, mountedRef]);
+
+  return trigger;
+}