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restructure drv2 and add minPublishers field to PriceData #13

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Merged
merged 4 commits into from
Nov 4, 2021
Merged

restructure drv2 and add minPublishers field to PriceData #13

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ffd3168
restructure drv2 and add minPublishers field to PriceData
cctdaniel Nov 4, 2021
d65ed46
update version to 2.5.0
cctdaniel Nov 4, 2021
dc742a7
update CHANGELOG.md
cctdaniel Nov 4, 2021
54f334a
update README.md
cctdaniel Nov 4, 2021
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30 changes: 20 additions & 10 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -78,17 +78,19 @@ export interface PriceData extends Base {
twac: Ema
drv1Component: bigint
drv1: number
drv2Component: bigint
minPublishers: number
drv2: number
drv3: number
drv4: number
productAccountKey: PublicKey
nextPriceAccountKey: PublicKey | null
previousSlot: bigint
previousPriceComponent: bigint
previousPrice: number
previousConfidenceComponent: bigint
previousConfidence: number
drv3Component: bigint
drv3: number
drv5Component: bigint
drv5: number
priceComponents: PriceComponent[]
aggregate: Price,
// The current price and confidence. The typical use of this interface is to consume these two fields.
Expand Down Expand Up @@ -249,8 +251,14 @@ export const parsePriceData = (data: Buffer): PriceData => {
// space for future derived values
const drv1Component = readBigInt64LE(data, 96)
const drv1 = Number(drv1Component) * 10 ** exponent
const drv2Component = readBigInt64LE(data, 104)
const drv2 = Number(drv2Component) * 10 ** exponent
// minimum number of publishers for status to be TRADING
const minPublishers = data.readUInt8(104)
// space for future derived values
const drv2 = data.readInt8(105)
// space for future derived values
const drv3 = data.readInt16LE(106)
// space for future derived values
const drv4 = data.readInt32LE(108)
// product id / reference account
const productAccountKey = new PublicKey(data.slice(112, 144))
// next price account in list
Expand All @@ -264,8 +272,8 @@ export const parsePriceData = (data: Buffer): PriceData => {
const previousConfidenceComponent = readBigUInt64LE(data, 192)
const previousConfidence = Number(previousConfidenceComponent) * 10 ** exponent
// space for future derived values
const drv3Component = readBigInt64LE(data, 200)
const drv3 = Number(drv3Component) * 10 ** exponent
const drv5Component = readBigInt64LE(data, 200)
const drv5 = Number(drv5Component) * 10 ** exponent
const aggregate = parsePriceInfo(data.slice(208, 240), exponent)

let price
Expand Down Expand Up @@ -308,17 +316,19 @@ export const parsePriceData = (data: Buffer): PriceData => {
twac,
drv1Component,
drv1,
drv2Component,
minPublishers,
drv2,
drv3,
drv4,
productAccountKey,
nextPriceAccountKey,
previousSlot,
previousPriceComponent,
previousPrice,
previousConfidenceComponent,
previousConfidence,
drv3Component,
drv3,
drv5Component,
drv5,
aggregate,
priceComponents,
price,
Expand Down