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Resolve traders count #494

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merged 3 commits into from
Jan 25, 2024
Merged

Resolve traders count #494

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c1dac8d
Add query for counting traders per market
saboonikhil Jan 25, 2024
4fbe1aa
Connect query to marketStats resolver
saboonikhil Jan 25, 2024
0194f1d
Reformat
saboonikhil Jan 25, 2024
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22 changes: 19 additions & 3 deletions src/server-extension/query.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ export const issuanceHistory = (assetId: string) => `
date(timestamp)
ORDER BY
date ASC;
`
`;

export const marketParticipants = (ids: number[]) => `
SELECT
Expand All @@ -70,7 +70,7 @@ export const marketParticipants = (ids: number[]) => `
LEFT JOIN
historical_asset ha ON ha.asset_id = ANY (m.outcome_assets)
WHERE
m.market_id in (${ids})
m.market_id IN (${ids})
GROUP BY
m.market_id;
`;
Expand Down Expand Up @@ -111,6 +111,22 @@ export const marketLiquidity = (ids: number[]) => `
SELECT * FROM t4;
`;

export const marketTraders = (ids: number[]) => `
SELECT
m.market_id,
COALESCE(COUNT(DISTINCT hs.account_id), 0) AS traders
FROM
market m
LEFT JOIN
historical_swap hs ON
hs.asset_in LIKE '%'||'['||(m.market_id)::text||','||'%' OR
hs.asset_out LIKE '%'||'['||(m.market_id)::text||','||'%'
WHERE
m.market_id IN (${ids})
GROUP BY
m.market_id;
`;

export const marketVolume = (ids: number[], prices: Map<BaseAsset, number>) => `
SELECT
market_id,
Expand Down Expand Up @@ -255,4 +271,4 @@ export const volumeHistory = (prices: Map<BaseAsset, number>) => `
date
ORDER BY
date ASC;
`
`;
11 changes: 8 additions & 3 deletions src/server-extension/resolvers/marketStats.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ import { Arg, Field, Int, ObjectType, Query, Resolver } from 'type-graphql';
import type { EntityManager } from 'typeorm';
import { Market } from '../../model/generated';
import { getAssetUsdPrices, mergeByField } from '../helper';
import { marketLiquidity, marketParticipants, marketVolume } from '../query';
import { marketLiquidity, marketParticipants, marketTraders, marketVolume } from '../query';

@ObjectType()
export class MarketStats {
Expand All @@ -15,6 +15,9 @@ export class MarketStats {
@Field(() => BigInt)
liquidity!: bigint;

@Field(() => Int)
traders!: number;

@Field(() => BigInt)
volume!: bigint;

Expand All @@ -32,10 +35,12 @@ export class MarketStatsResolver {
const manager = await this.tx();
const participants = await manager.getRepository(Market).query(marketParticipants(ids));
const liquidity = await manager.getRepository(Market).query(marketLiquidity(ids));
const traders = await manager.getRepository(Market).query(marketTraders(ids));
const volume = await manager.getRepository(Market).query(marketVolume(ids, await getAssetUsdPrices()));

let result = mergeByField(participants, liquidity, 'market_id');
result = mergeByField(result, volume, 'market_id');
const merged1 = mergeByField(liquidity, volume, 'market_id');
const merged2 = mergeByField(traders, participants, 'market_id');
const result = mergeByField(merged1, merged2, 'market_id');
return result;
}
}