@tornado/gas-price-oracle/README.md

@@ -8,11 +8,12 @@ This is a library with a collection of onchain and offchain gas price oracle URL
 
 Current offchain list:
 
+- https://ethgasstation.info/json/ethgasAPI.json
 - https://etherchain.org/api/gasnow
 
 Current onchain list:
 
-- [Chainlink aggregator](https://etherscan.io/address/0x169e633a2d1e6c10dd91238ba11c4a708dfef37c#readContract)
+- [chainlink](https://etherscan.io/address/0x169e633a2d1e6c10dd91238ba11c4a708dfef37c#readContract)
 
 ### Binance Smart Chain
 
@@ -24,14 +25,13 @@ Current offchain list:
 
 Current offchain list:
 
-- https://gnosis.blockscout.com/api/v1/gas-price-oracle
+- https://blockscout.com/xdai/mainnet/api/v1/gas-price-oracle
 
 ### Polygon (Matic) Network
 
 Current offchain list:
 
-- https://gasstation.polygon.technology/v2
-- https://matic-gas-station.tornado.ws
+- https://gasstation-mainnet.matic.network/
 
 ### Avalanche C Network
 
@@ -252,9 +252,7 @@ type GetTxGasParamsRes =
     }
 
 const gasParams: GetTxGasParamsRes = await oracle.getTxGasParams({ legacySpeed: 'fast', bumpPercent: 30 })
-console.log(gasParams) 
-// { maxFeePerGas: '3f5476a00', maxPriorityFeePerGas: 'b2d05e00' } || { gasPrice: '46c7cfe00' }
-// equal to: { maxFeePerGas: 17 gwei, maxPriorityFeePerGas: 3 gwei } || { gasPrice: 19 gwei }
+console.log(gasParams) // { maxFeePerGas: 17, maxPriorityFeePerGas: 3 } || { gasPrice: 19 }
 
 web3.eth.sendTransaction({
   from: '0xEA674fdDe714fd979de3EdF0F56AA9716B898ec8',
@@ -269,8 +267,6 @@ web3.eth.sendTransaction({
 `bumpPercent` argument (`0` by default) - response data will increase by `bumpPercent`%.
 `legacySpeed` argument (`fast` by default) - select the speed of legacy gasPrice.
 
-Returns gas info in `wei`, hex-format.
-
 ### Offchain oracles only
 
 ```typescript

@tornado/gas-price-oracle/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tornado/gas-price-oracle",
-  "version": "0.5.3",
+  "version": "0.5.2-p1",
   "description": "Gas Price Oracle library for Ethereum dApps.",
   "homepage": "https://git.tornado.ws/tornado-packages/gas-price-oracle",
   "main": "./lib/index.js",
@@ -8,7 +8,7 @@
   "types": "./lib/index.d.ts",
   "repository": {
     "type": "git",
-    "url": "https://git.tornado.ws/tornado-packages/gas-price-oracle"
+    "url": "https://git.tornado.ws/tornado-packages/archive-monorepo"
   },
   "scripts": {
     "test": "ts-mocha --timeout 30000 --paths 'src/tests/*.test.ts'",

@tornado/gas-price-oracle/src/config/mainnet.ts

@@ -1,5 +1,16 @@
 import { OffChainOracle, OffChainOracles, OnChainOracle, OnChainOracles } from '@/services'
 
+const ethgasstation: OffChainOracle = {
+  name: 'ethgasstation',
+  url: 'https://ethgasstation.info/json/ethgasAPI.json',
+  instantPropertyName: 'fastest',
+  fastPropertyName: 'fast',
+  standardPropertyName: 'average',
+  lowPropertyName: 'safeLow',
+  denominator: 10,
+  additionalDataProperty: null,
+}
+
 const etherchain: OffChainOracle = {
   name: 'etherchain',
   url: 'https://etherchain.org/api/gasnow',
@@ -19,6 +30,7 @@ const chainlink: OnChainOracle = {
 }
 
 export const offChainOracles: OffChainOracles = {
+  ethgasstation,
   etherchain,
 }
 

@tornado/gas-price-oracle/src/config/polygon.ts

@@ -2,21 +2,10 @@ import { OffChainOracle, OffChainOracles, OnChainOracles } from '@/services'
 
 const maticGasStation: OffChainOracle = {
   name: 'maticGasStation',
-  url: 'https://gasstation.polygon.technology/v2',
-  instantPropertyName: 'fast.maxFee',
-  fastPropertyName: 'fast.maxFee',
-  standardPropertyName: 'standard.maxFee',
-  lowPropertyName: 'safeLow.maxFee',
-  denominator: 1,
-  additionalDataProperty: null,
-}
-
-const tornadoMaticGasStation: OffChainOracle = {
-  name: 'tornadoMGasStation',
-  url: 'https://matic-gas-station.tornado.ws',
-  instantPropertyName: 'standard',
-  fastPropertyName: 'standard',
-  standardPropertyName: 'safeLow',
+  url: 'https://gasstation-mainnet.matic.network',
+  instantPropertyName: 'fastest',
+  fastPropertyName: 'fast',
+  standardPropertyName: 'standard',
   lowPropertyName: 'safeLow',
   denominator: 1,
   additionalDataProperty: null,
@@ -24,7 +13,6 @@ const tornadoMaticGasStation: OffChainOracle = {
 
 export const offChainOracles: OffChainOracles = {
   maticGasStation,
-  tornadoMaticGasStation,
 }
 
 export const onChainOracles: OnChainOracles = {}

@tornado/gas-price-oracle/src/config/xdai.ts

@@ -2,7 +2,7 @@ import { OffChainOracle, OffChainOracles, OnChainOracles } from '@/services'
 
 const blockscout: OffChainOracle = {
   name: 'blockscout',
-  url: 'https://gnosis.blockscout.com/api/v1/gas-price-oracle',
+  url: 'https://blockscout.com/xdai/mainnet/api/v1/gas-price-oracle',
   instantPropertyName: 'fast',
   fastPropertyName: 'average',
   standardPropertyName: 'slow',

@tornado/gas-price-oracle/src/services/legacy-gas-price/legacy.ts

@@ -16,7 +16,6 @@ import {
 
 import { ChainId, NETWORKS } from '@/config'
 import { RpcFetcher, NodeJSCache } from '@/services'
-import { resolvePropertyPath } from '@/utils'
 import { GWEI, DEFAULT_TIMEOUT, GWEI_PRECISION, DEFAULT_BLOCK_DURATION } from '@/constants'
 
 import { MULTIPLIERS, DEFAULT_GAS_PRICE } from './constants'
@@ -298,17 +297,17 @@ export class LegacyGasPriceOracle implements LegacyOracle {
     const response = await axios.get(url, { timeout: this.configuration.timeout })
 
     if (response.status === 200) {
-      const gas = resolvePropertyPath(response.data, additionalDataProperty)
+      const gas = additionalDataProperty ? response.data[additionalDataProperty] : response.data
 
-      if (Number(resolvePropertyPath(gas, fastPropertyName)) === 0) {
+      if (Number(gas[fastPropertyName]) === 0) {
         throw new Error(`${name} oracle provides corrupted values`)
       }
 
       const gasPrices: GasPrice = {
-        instant: parseFloat(resolvePropertyPath(gas, instantPropertyName)) / denominator,
-        fast: parseFloat(resolvePropertyPath(gas, fastPropertyName)) / denominator,
-        standard: parseFloat(resolvePropertyPath(gas, standardPropertyName)) / denominator,
-        low: parseFloat(resolvePropertyPath(gas, lowPropertyName)) / denominator,
+        instant: parseFloat(gas[instantPropertyName]) / denominator,
+        fast: parseFloat(gas[fastPropertyName]) / denominator,
+        standard: parseFloat(gas[standardPropertyName]) / denominator,
+        low: parseFloat(gas[lowPropertyName]) / denominator,
       }
       return LegacyGasPriceOracle.normalize(gasPrices)
     } else {

@tornado/gas-price-oracle/src/utils/index.ts

@@ -5,43 +5,4 @@ const sleep = (time: number): Promise<boolean> => {
   return new Promise((res) => setTimeout(() => res(true), time))
 }
 
-/**
- * Returns the recursively resolved value of the object's subproperty given the properties path, separated by dots.
- * If properties path is null, undefined or an empty string - returns the object itself
- * @param obj - The object, from which get property or subproperty
- * @param propertiesInString - Property name or properties chained string, like 'user.email.domain'
- * @returns The value of the subproperty by path or object itself
- *
- * @example
- *
- * ### Object
- * ```ts
- * const x = {
- *    y: {
- *      z: 11
- *    }
- * };
- * ```
- *
- * ### Property path in object
- * ```ts
- * const propertyPath = 'y.z';
- * ```
- *
- * ### Usage
- * ```ts
- * const subpropertyValue = resolvePropertyPath(x, propertyPath);
- * ```
- *
- * ### Result (subproperty value)
- * ```ts
- * 11
- * ```
- */
-const resolvePropertyPath = (obj: object, propertyPath: string | undefined | null): any => {
-  const properties = propertyPath?.split('.') || []
-
-  return properties.reduce((curr: { [key: string]: any }, nextProperty: string) => curr[nextProperty], obj)
-}
-
-export { sleep, resolvePropertyPath }
+export { sleep }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "archive-monorepo",
-  "packageManager": "yarn@3.6.1",
+  "packageManager": "yarn@3.5.0",
   "private": true,
   "workspaces": [
     "@tornado/*"