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refresh price

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Signed-off-by: mihaisc <mihai.scarlat@smartcontrol.ro>
This commit is contained in:
mihaisc 2020-10-29 14:16:59 +02:00
parent a5c4884f18
commit 08a79305dc
No known key found for this signature in database
GPG Key ID: 4FB0C2329B4C6E29
4 changed files with 50 additions and 17 deletions
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6
package-lock.json generated
View File

@ -1521,9 +1521,9 @@
"integrity": "sha512-p0oOHXr60hXZuLNsQ/PsOQtCfia79thm7MjPxTrnnBvD+csJoHzARYMB0IFj/KTw6U5vLXODgjJAn8x6QksLwg=="
},
"@oceanprotocol/lib": {
"version": "0.9.5",
"resolved": "https://registry.npmjs.org/@oceanprotocol/lib/-/lib-0.9.5.tgz",
"integrity": "sha512-r+mcLwTgB+A42Q1lX0Ni+Yv3xgaujU3uOrSrKs+uNfVt/VCitublgZYnOhZws2odinJt2Ca7cjDPK4QtNzw7MQ==",
"version": "0.9.7",
"resolved": "https://registry.npmjs.org/@oceanprotocol/lib/-/lib-0.9.7.tgz",
"integrity": "sha512-C47Bv1d9IEvWkI2cOAYUE115jc6iN87ddDdl/BTCAiHKVllhl3TvoSMD+kdwfTivnsiW6HytpqL56IGtA/F4zQ==",
"requires": {
"@ethereum-navigator/navigator": "^0.5.0",
"@oceanprotocol/contracts": "^0.5.7",

2
package.json
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@ -25,7 +25,7 @@
"dist/"
],
"dependencies": {
"@oceanprotocol/lib": "^0.9.6",
"@oceanprotocol/lib": "^0.9.7",
"axios": "^0.21.0",
"decimal.js": "^10.2.1",
"web3": "^1.3.0",

33
src/hooks/useMetadata/useMetadata.ts
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@ -19,6 +19,7 @@ interface UseMetadata {
price: BestPrice | undefined
isLoaded: boolean
getPrice: (dataTokenAddress: string) => Promise<BestPrice | void>
refreshPrice: () => void
}
function useMetadata(asset?: DID | string | DDO): UseMetadata {
@ -42,8 +43,15 @@ function useMetadata(asset?: DID | string | DDO): UseMetadata {
)
const getPrice = useCallback(
async (dataTokenAddress: string): Promise<BestPrice> => {
const price = await getBestDataTokenPrice(ocean, dataTokenAddress)
async (
dataTokenAddress: string,
poolAddress?: string
): Promise<BestPrice> => {
const price = await getBestDataTokenPrice(
ocean,
dataTokenAddress,
poolAddress
)
return price
},
[ocean]
@ -74,7 +82,14 @@ function useMetadata(asset?: DID | string | DDO): UseMetadata {
}
init()
}, [asset, getDDO])
async function refreshPrice(): Promise<void> {
if (!internalDdo) return
const livePrice = await getPrice(
internalDdo.dataToken,
internalDdo.price.pools[0]
)
setPrice(livePrice)
}
//
// Get metadata & price for stored DDO
//
@ -98,7 +113,10 @@ function useMetadata(asset?: DID | string | DDO): UseMetadata {
return
// Set price again, but from chain
const priceLive = await getPrice(internalDdo.dataToken)
const priceLive = await getPrice(
internalDdo.dataToken,
internalDdo.price.pools[0]
)
priceLive && internalDdo.price !== priceLive && setPrice(priceLive)
}
init()
@ -111,8 +129,8 @@ function useMetadata(asset?: DID | string | DDO): UseMetadata {
// )
// return
// const priceLive = await getPrice(internalDdo.dataToken)
// priceLive && setPrice(priceLive)
// await refreshPrice
// }, 10000)
// return () => {
@ -127,7 +145,8 @@ function useMetadata(asset?: DID | string | DDO): UseMetadata {
title,
price,
isLoaded,
getPrice
getPrice,
refreshPrice
}
}

26
src/utils/dtUtils.ts
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@ -85,19 +85,32 @@ export async function getCheapestExchange(
export async function getFirstPool(
ocean: Ocean,
dataTokenAddress: string
dataTokenAddress: string,
poolAddress?: string
): Promise<Pool> {
const tokenPools = await ocean.pool.searchPoolforDT(dataTokenAddress)
let firstPoolAddress = poolAddress
if (!poolAddress) {
const tokenPools = await ocean.pool.searchPoolforDT(dataTokenAddress)
if (tokenPools === undefined || tokenPools.length === 0) {
if (tokenPools === undefined || tokenPools.length === 0) {
return {
address: '',
price: 0
}
}
firstPoolAddress = tokenPools[0]
}
if (!firstPoolAddress) {
return {
address: '',
price: 0
}
}
const firstPoolAddress = tokenPools[0]
const firstPoolPrice = await ocean.pool.getOceanNeeded(firstPoolAddress, '1')
const oceanReserve = await ocean.pool.getOceanReserve(firstPoolAddress)
const dtReserve = await ocean.pool.getDTReserve(firstPoolAddress)
return {
@ -110,9 +123,10 @@ export async function getFirstPool(
export async function getBestDataTokenPrice(
ocean: Ocean,
dataTokenAddress: string
dataTokenAddress: string,
poolAddress?: string
): Promise<BestPrice> {
const cheapestPool = await getFirstPool(ocean, dataTokenAddress)
const cheapestPool = await getFirstPool(ocean, dataTokenAddress, poolAddress)
const cheapestExchange = await getCheapestExchange(ocean, dataTokenAddress)
Decimal.set({ precision: 5 })