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more price handling bugfixes

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This commit is contained in:
Tim Olson
2023-11-18 16:26:51 -04:00
parent 7293c101f8
commit 1b670b1398
3 changed files with 6 additions and 8 deletions
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6
src/blockchain/prices.js
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@@ -6,6 +6,7 @@ import {ethers, FixedNumber} from "ethers";
import {uniswapV3PoolAbi} from "@/blockchain/abi.js";
const subscriptionCounts = {} // key is route and value is a subscription counter
export const WIDE_PRICE_FORMAT = {decimals:38, width:512, signed:false}; // 38 decimals is 127 bits
export function subPrices( routes ) {
@@ -84,9 +85,8 @@ async function getPriceForRoute(route) {
const [sqrtPrice,,,,,,] = got
const spn = BigInt(sqrtPrice)
let price = spn*spn * 10n**BigInt(route.token0.decimals-route.token1.decimals)
const format = {decimals:38,width:512,signed:false}; // 38 decimals is 127 bits
price = FixedNumber.fromValue(price,0,format)
price = price.div(FixedNumber.fromValue(2n**(96n*2n),0,format))
price = FixedNumber.fromValue(price,0,WIDE_PRICE_FORMAT)
price = price.div(FixedNumber.fromValue(2n**(96n*2n),0,WIDE_PRICE_FORMAT))
price = price.round(18).toString()
console.log(`price for ${route.token0.symbol}/${route.token1.symbol}`,price)
store.poolPrices[addr] = price