From 9ddb1c64fb1f4b8fd740122160764d6cd03be8b6 Mon Sep 17 00:00:00 2001
From: Thaddeus <thad@tardis.dev>
Date: Thu, 17 Mar 2022 14:44:22 +0100
Subject: [PATCH] improvement: gate io futures mapper handles now ticker result
that is not an array
---
src/mappers/gateiofutures.ts | 33 ++++++++++++++++---------
test/__snapshots__/mappers.test.ts.snap | 19 ++++++++++++++
test/mappers.test.ts | 22 +++++++++++++++++
3 files changed, 63 insertions(+), 11 deletions(-)
diff --git a/src/mappers/gateiofutures.ts b/src/mappers/gateiofutures.ts
index 110823c..f9d6914 100644
--- a/src/mappers/gateiofutures.ts
+++ b/src/mappers/gateiofutures.ts
@@ -113,7 +113,9 @@ export class GateIOFuturesDerivativeTickerMapper implements Mapper<'gate-io-futu
}
*map(message: GateIOFuturesTicker, localTimestamp: Date): IterableIterator<DerivativeTicker> {
- for (const futuresTicker of message.result) {
+ const tickers = Array.isArray(message.result) ? message.result : [message.result]
+
+ for (const futuresTicker of tickers) {
if (futuresTicker.contract === undefined) {
return
}
@@ -179,14 +181,23 @@ type GateIOFuturesTicker = {
channel: 'futures.tickers'
event: 'update'
- result: [
- {
- contract: string
- last: string
- funding_rate: string
- mark_price: string
- index_price: string
- funding_rate_indicative: string
- }
- ]
+ result:
+ | [
+ {
+ contract: string
+ last: string
+ funding_rate: string
+ mark_price: string
+ index_price: string
+ funding_rate_indicative: string
+ }
+ ]
+ | {
+ contract: string
+ last: string
+ funding_rate: string
+ mark_price: string
+ index_price: string
+ funding_rate_indicative: string
+ }
}
diff --git a/test/__snapshots__/mappers.test.ts.snap b/test/__snapshots__/mappers.test.ts.snap
index 0be1e55..423f140 100644
--- a/test/__snapshots__/mappers.test.ts.snap
+++ b/test/__snapshots__/mappers.test.ts.snap
@@ -4712,6 +4712,25 @@ Array [
exports[`mappers map gate-io-futures messages 15`] = `Array []`;
+exports[`mappers map gate-io-futures messages 16`] = `
+Array [
+ Object {
+ "exchange": "gate-io-futures",
+ "fundingRate": 0.0001,
+ "fundingTimestamp": undefined,
+ "indexPrice": 26.9291,
+ "lastPrice": 25.595,
+ "localTimestamp": 2020-07-01T00:00:01.275Z,
+ "markPrice": 26.929,
+ "openInterest": undefined,
+ "predictedFundingRate": 0.0001,
+ "symbol": "ETC_USD",
+ "timestamp": 2022-03-17T07:13:26.000Z,
+ "type": "derivative_ticker",
+ },
+]
+`;
+
exports[`mappers map gemini messages 1`] = `
Array [
Object {
diff --git a/test/mappers.test.ts b/test/mappers.test.ts
index 628b2d4..8233966 100644
--- a/test/mappers.test.ts
+++ b/test/mappers.test.ts
@@ -5843,6 +5843,28 @@ describe('mappers', () => {
}
]
]
+ },
+ {
+ time: 1647501206,
+ channel: 'futures.tickers',
+ event: 'update',
+ result: {
+ contract: 'ETC_USD',
+ last: '25.595',
+ change_percentage: '0',
+ total_size: '14',
+ volume_24h: '0',
+ volume_24h_base: '0',
+ volume_24h_quote: '0',
+ volume_24h_settle: '0',
+ mark_price: '26.929',
+ funding_rate: '0.0001',
+ funding_rate_indicative: '0.0001',
+ index_price: '26.9291',
+ quanto_base_rate: '0.0006594',
+ volume_24_usd: '0',
+ volume_24_btc: '0'
+ }
}
]
const gateIOFuturesMapper = createMapper('gate-io-futures')