feat: get EIP 1559 gas fees for linea

package.json

@@ -2,7 +2,7 @@
   "name": "ethcode",
   "displayName": "ETHcode",
   "description": "Ethereum IDE for VS Code",
-  "version": "0.4.9",
+  "version": "0.4.11",
   "publisher": "7finney",
   "categories": [
     "Debuggers",
@@ -19,7 +19,7 @@
   "icon": "images/ethcode.png",
   "repository": "https://github.com/7finney/ethcode",
   "engines": {
-    "vscode": "^1.80.0",
+    "vscode": "^1.84.2",
     "node": ">=16.15.0"
   },
   "activationEvents": [
@@ -47,13 +47,12 @@
           },
           "markdownDescription": "List of networks settings including ethereum, polygon etc",
           "default": {
-            "Ethereum": "{\"rpc\": \"homestead\",\"blockScanner\":\"https://etherscan.io\", \"chainID\": \"1\", \"nativeCurrency\": {\"name\": \"Ether\",\"symbol\":\"ETH\",\"decimals\": \"18\"}}",
+            "Ethereum": "{\"rpc\": \"https://rpc.ankr.com/eth\",\"blockScanner\":\"https://etherscan.io\", \"chainID\": \"1\", \"nativeCurrency\": {\"name\": \"Ether\",\"symbol\":\"ETH\",\"decimals\": \"18\"}}",
             "Ganache Testnet": "{\"rpc\": \"http://127.0.0.1:7545\", \"blockScanner\": \"https://etherscan.io\", \"chainID\": \"1337\", \"nativeCurrency\": {\"name\": \"Ganache Ether\",\"symbol\":\"ETH\",\"decimals\": \"18\"}}",
             "Hardhat Testnet": "{\"rpc\": \"http://127.0.0.1:8545\", \"blockScanner\": \"https://etherscan.io\", \"chainID\": \"1337\", \"nativeCurrency\": {\"name\": \"Hardhat Ether\",\"symbol\":\"ETH\",\"decimals\": \"18\"}}",
-            "Goerli Testnet": "{\"rpc\": \"goerli\", \"blockScanner\": \"https://goerli.etherscan.io\", \"chainID\": \"5\", \"nativeCurrency\": {\"name\": \"Görli Ether\",\"symbol\":\"görETH\",\"decimals\": \"18\"}}",
-            "Polygon": "{\"rpc\": \"https://polygon-rpc.com\", \"blockScanner\": \"https://polygonscan.com\", \"chainID\": \"137\", \"nativeCurrency\": {\"name\": \"Polygon Matic\",\"symbol\":\"MATIC\",\"decimals\": \"18\"}}",
+            "Polygon Mainnet": "{\"rpc\": \"https://polygon-rpc.com\", \"blockScanner\": \"https://polygonscan.com\", \"chainID\": \"137\", \"nativeCurrency\": {\"name\": \"Polygon Matic\",\"symbol\":\"MATIC\",\"decimals\": \"18\"}}",
             "Sepolia Testnet": "{\"rpc\": \"https://rpc.sepolia.dev\", \"blockScanner\": \"https://sepolia.etherscan.io\",\"chainID\": \"11155111\", \"nativeCurrency\": {\"name\": \"Sepolia Ether\",\"symbol\":\"ETH\",\"decimals\": \"18\"}}",
-            "Polygon Mumbai": "{\"rpc\": \"https://rpc-mumbai.maticvigil.com\", \"blockScanner\": \"https://mumbai.polygonscan.com\",\"chainID\": \"80001\", \"nativeCurrency\": {\"name\": \"Polygon Mumbai Matic\",\"symbol\":\"mMATIC\",\"decimals\": \"18\"}}"
+            "Polygon Amoy": "{\"rpc\": \"https://rpc.ankr.com/polygon_amoy\", \"blockScanner\": \"https://amoy.polygonscan.com\",\"chainID\": \"80002\", \"nativeCurrency\": {\"name\": \"Matic\",\"symbol\":\"MATIC\",\"decimals\": \"18\"}}"
           }
         },
         "ethcode.gasLimit": {
@@ -115,6 +114,11 @@
         "title": "Set transaction gas strategy",
         "category": "Ethcode"
       },
+      {
+        "command": "ethcode.transaction.gas.prices",
+        "title": "Get network gas prices",
+        "category": "Ethcode"
+      },
       {
         "command": "ethcode.compiled-json.load",
         "title": "Ethcode: Load compiled JSON output"
@@ -198,7 +202,7 @@
   "devDependencies": {
     "@types/node": "^18.0.0",
     "@types/utf8": "^3.0.1",
-    "@types/vscode": "^1.38.1",
+    "@types/vscode": "^1.84.2",
     "@typescript-eslint/eslint-plugin": "^5.52.0",
     "@typescript-eslint/parser": "^5.52.0",
     "eslint-config-standard-with-typescript": "^34.0.0",

src/api/api.ts

@@ -7,14 +7,15 @@ import {
   getSelectedNetConf,
   getSelectedProvider
 } from '../utils/networks'
-import { type ContractABI, type CompiledJSONOutput, type NetworkConfig } from '../types'
+import { type ContractABI, type CompiledJSONOutput, type NetworkConfig, type Fees } from '../types'
 import {
   createConstructorInput,
   createDeployed,
   createFunctionInput,
   getConstructorInputFullPath,
   getDeployedFullPath,
-  getFunctionInputFullPath
+  getFunctionInputFullPath,
+  getGasPrices
 } from '../utils/functions'
 import { type JsonFragment } from '@ethersproject/abi'
 import { logger } from '../lib'
@@ -197,6 +198,10 @@ const createContractFiles = async (context: vscode.ExtensionContext, contractTit
 
   logger.success(`Contract ${name[0]} is selected.`)
 }
+
+const getNetworkGasPrices = async (context: vscode.ExtensionContext): Promise<Fees> => {
+  return await getGasPrices(context)
+}
 export {
   getNetwork,
   setNetwork,
@@ -211,5 +216,6 @@ export {
   getFunctionInputFile,
   getConstructorInputFile,
   createContractFiles,
+  getNetworkGasPrices,
   event
 }

src/api/provider.ts

@@ -2,13 +2,14 @@ import {
   getNetwork,
   providerDefault,
   setNetwork,
-  getAvailableNetwork
+  getAvailableNetwork,
+  getNetworkGasPrices
 } from './api'
 import {
   type ExtensionContext
 } from 'vscode'
 import { type Provider } from '@ethersproject/providers'
-import { type NetworkConfig } from '../types'
+import { type Fees, type NetworkConfig } from '../types'
 
 /**
  * Interface for the provider API.
@@ -47,6 +48,12 @@ export interface ProviderInterface {
      * @returns An array of the names of all available networks.
      */
     list: () => string[]
+
+    /**
+     * Returns the current gas price of the network selected in the extension.
+     * @returns the current gas price of the network selected in the extension.
+     */
+    getGasPrices: () => Promise<any>
   }
 }
 
@@ -95,12 +102,21 @@ export function provider (context: ExtensionContext): ProviderInterface {
     return getAvailableNetwork()
   };
 
+  /**
+   * Returns the current gas price of the network selected in the extension.
+   * @returns the current gas price of the network selected in the extension.
+   */
+  async function getGasPrices (): Promise<Fees> {
+    return await getNetworkGasPrices(context)
+  }
+
   return {
     get,
     network: {
       get: networkGet,
       set: networkSet,
-      list: networkList
+      list: networkList,
+      getGasPrices
     }
   }
 }

src/extension.ts

@@ -102,6 +102,13 @@ export async function activate (context: ExtensionContext): Promise<API | undefi
         })
     }),
 
+    // Get network gas prices
+    commands.registerCommand('ethcode.transaction.gas.prices', async () => {
+      const { maxFeePerGas, maxPriorityFeePerGas } = await provider(context).network.getGasPrices()
+      logger.log('maxFeePerGas > ', maxFeePerGas)
+      logger.log('maxPriorityFeePerGas > ', maxPriorityFeePerGas)
+    }),
+
     // Load combined JSON output
     commands.registerCommand('ethcode.compiled-json.load', () => {
       const editorContent = (window.activeTextEditor != null)

src/types/output.ts

@@ -68,3 +68,15 @@ export interface BytecodeObject {
   /** If given, this is an unlinked object. */
   linkReferences?: Record<string, Record<string, Array<{ start: number, length: number }>>>
 }
+
+export interface Fees {
+  maxFeePerGas: bigint
+  maxPriorityFeePerGas?: bigint
+}
+
+export interface FeeHistory {
+  oldestBlock: number
+  reward: string[][]
+  baseFeePerGas: string[]
+  gasUsedRatio: number[]
+}

src/utils/functions.ts

@@ -9,7 +9,8 @@ import {
   type ConstructorInputValue,
   getAbi,
   type IFunctionQP,
-  type EstimateGas
+  type EstimateGas,
+  type Fees
 } from '../types'
 import { logger } from '../lib'
 import { errors } from '../config'
@@ -19,8 +20,10 @@ import {
   writeFunction
 } from '../lib/file'
 import { getSelectedNetConf } from './networks'
-
+import { get1559Fees } from './get1559Fees'
+import { getSelectedProvider } from './utils'
 import axios from 'axios'
+import { type ethers } from 'ethers'
 
 const createDeployed: any = (contract: CompiledJSONOutput) => {
   const fullPath = getDeployedFullPath(contract)
@@ -98,11 +101,6 @@ const createFunctionInput: any = (contract: CompiledJSONOutput) => {
             }))]
         })
   }))
-  // const functions = functionsAbi.map((e: { name: any, stateMutability: any, inputs: any[] }) => ({
-  //   name: e.name,
-  //   stateMutability: e.stateMutability,
-  //   inputs: e.inputs?.map((c) => ({ ...c, value: '' }))
-  // }))
   console.log(functions)
 
   writeFunction(getFunctionInputFullPath(contract), contract, functions)
@@ -265,50 +263,68 @@ const getNetworkBlockpriceUrl: any = (context: vscode.ExtensionContext) => {
   } else { /* empty */ }
 }
 
+export const getGasPrices = async (context: vscode.ExtensionContext): Promise<Fees> => {
+  const provider = getSelectedProvider(context) as ethers.providers.JsonRpcProvider
+  const feeData = await provider.getFeeData()
+  return {
+    maxFeePerGas: feeData.maxFeePerGas?.toBigInt() ?? BigInt(0),
+    maxPriorityFeePerGas: feeData.maxPriorityFeePerGas?.toBigInt() ?? BigInt(0)
+  }
+}
+
 const getGasEstimates: any = async (
   condition: string,
   context: vscode.ExtensionContext
 ) => {
   let estimate: EstimateGas | undefined
-  const blockPriceUri = getNetworkBlockpriceUrl(context)
-  if (blockPriceUri !== undefined) {
-    await axios
-      .get(blockPriceUri, {
-        headers: {
-          'Access-Control-Allow-Origin': '*',
-          'Access-Control-Allow-Headers':
-            'Origin, X-Requested-With, Content-Type, Accept'
-        }
-      })
-      .then((res: any) => {
-        if (res.status === 200) {
-          switch (condition) {
-            case 'Low': {
-              estimate = res.data.blockPrices[0].estimatedPrices.find(
-                (x: any) => x.confidence === 70
-              ) as EstimateGas
-              break
-            }
-            case 'Medium': {
-              estimate = res.data.blockPrices[0].estimatedPrices.find(
-                (x: any) => x.confidence === 90
-              ) as EstimateGas
-              break
-            }
-            case 'High': {
-              estimate = res.data.blockPrices[0].estimatedPrices.find(
-                (x: any) => x.confidence === 99
-              ) as EstimateGas
-              break
+  const chainID = getSelectedNetConf(context).chainID
+  // try to use `eth_feeHistory` RPC API
+  const provider = getSelectedProvider(
+    context
+  ) as ethers.providers.JsonRpcProvider
+  if (chainID === '59140') {
+    const maxFeePerGas = get1559Fees(provider, BigInt(10), 70)
+    console.log(maxFeePerGas)
+  } else {
+    const blockPriceUri = getNetworkBlockpriceUrl(context)
+    if (blockPriceUri !== undefined) {
+      await axios
+        .get(blockPriceUri, {
+          headers: {
+            'Access-Control-Allow-Origin': '*',
+            'Access-Control-Allow-Headers':
+              'Origin, X-Requested-With, Content-Type, Accept'
+          }
+        })
+        .then((res: any) => {
+          if (res.status === 200) {
+            switch (condition) {
+              case 'Low': {
+                estimate = res.data.blockPrices[0].estimatedPrices.find(
+                  (x: any) => x.confidence === 70
+                ) as EstimateGas
+                break
+              }
+              case 'Medium': {
+                estimate = res.data.blockPrices[0].estimatedPrices.find(
+                  (x: any) => x.confidence === 90
+                ) as EstimateGas
+                break
+              }
+              case 'High': {
+                estimate = res.data.blockPrices[0].estimatedPrices.find(
+                  (x: any) => x.confidence === 99
+                ) as EstimateGas
+                break
+              }
             }
+            return estimate
           }
-
-          return estimate
-        }
-      })
-      .catch((error: any) => {
-        console.error(error)
-      })
+        })
+        .catch((error: any) => {
+          console.error(error)
+        })
+    }
   }
 
   return estimate

src/utils/get1559Fees.ts

@@ -0,0 +1,31 @@
+import { type ethers } from 'ethers'
+import { type Fees, type FeeHistory } from '../types'
+
+export async function get1559Fees (
+  provider: ethers.providers.JsonRpcProvider,
+  maxFeePerGasFromConfig: bigint,
+  percentile: number
+): Promise<Fees> {
+  const { reward, baseFeePerGas }: FeeHistory = await provider.send('eth_feeHistory', ['0x5', 'latest', [percentile]])
+
+  const maxPriorityFeePerGas = reward.reduce((accumulator, currentValue) => BigInt(accumulator) + BigInt(currentValue[0]), BigInt(0)) / BigInt(reward.length)
+
+  if (maxPriorityFeePerGas > 0 && maxPriorityFeePerGas > maxFeePerGasFromConfig) {
+    throw new Error(
+      `Estimated miner tip of ${maxPriorityFeePerGas} exceeds configured max fee per gas of ${maxFeePerGasFromConfig}.`
+    )
+  }
+
+  const maxFeePerGas = BigInt(baseFeePerGas[baseFeePerGas.length - 1]) * BigInt(2) + BigInt(maxPriorityFeePerGas)
+
+  if (maxFeePerGas > 0 && maxPriorityFeePerGas > 0) {
+    return {
+      maxPriorityFeePerGas: BigInt(maxPriorityFeePerGas),
+      maxFeePerGas: maxFeePerGas > maxFeePerGasFromConfig ? maxFeePerGasFromConfig : maxFeePerGas
+    }
+  }
+
+  return {
+    maxFeePerGas: maxFeePerGasFromConfig
+  }
+}