add some utilities

jscriptcoder · jscriptcoder · commit 3e0ea5c675b6 · 2023-08-18T12:07:49.000+02:00
diff --git a/src/commands/cmdFuncMap.ts b/src/commands/cmdFuncMap.ts
@@ -8,12 +8,15 @@ import { getProperty, inspect } from './object'
 import { wallet } from './wallet'
 import {
   connectedChain,
+  formatEther,
+  formatUnits,
   getAddress,
   getBalance,
   getBalanceDetails,
   getBlock,
   getProof,
   getTransactionReceipt,
+  parseEther,
   parseUnits,
   supportedChains,
   switchNetwork,
@@ -397,6 +400,37 @@ const cmdFuncMap: Record<string, CmdFunc> = {
       'value => String representation of a number',
       'decimals => Exponent of base 10'
     ].join('<br>')
+  },
+  ['formatUnits']: {
+    exec: formatUnits,
+    help: [
+      'Divides a number by a given exponent of base 10, and formats it into a string representation of the number.',
+      'Usage: formatUnits 420000000000n 9',
+      'Output: 420',
+      'Params:',
+      'value => BigNumber to format as a string, number or bigint',
+      'decimals => Exponent of base 10'
+    ].join('<br>')
+  },
+  ['parseEther']: {
+    exec: parseEther,
+    help: [
+      'Converts a string representation of ether to numerical wei.',
+      'Usage: parseEther 420',
+      'Output: 420000000000000000000n',
+      'Params:',
+      'value => String representation of ether'
+    ].join('<br>')
+  },
+  ['formatEther']: {
+    exec: formatEther,
+    help: [
+      'Converts numerical wei to a string representation of ether.',
+      'Usage: formatEther 1000000000000000000n',
+      'Output: 1',
+      'Params:',
+      'value => The wei value',
+    ].join('<br>')
   }
 }
 
diff --git a/src/commands/web3.ts b/src/commands/web3.ts
@@ -11,7 +11,14 @@ import {
 } from '@wagmi/core'
 import checkConnected from '../utils/checkConnected'
 import { checkSupportedChain } from '../web3/wagmi'
-import { type GetBlockParameters, type Hex, parseUnits as viemParseUnits } from 'viem'
+import { 
+  type GetBlockParameters, 
+  type Hex, 
+  parseUnits as viemParseUnits, 
+  formatUnits as viemFormatUnits,
+  parseEther as viemParseEther,
+  formatEther as viemFormatEther
+} from 'viem'
 import getPublicClient from '../utils/getPublicClient'
 
 export function getAddress() {
@@ -151,3 +158,16 @@ export const parseUnits = (value: string | number, decimals: number) => {
   // doesn't support numbers as input
   return viemParseUnits(`${value}`, decimals)
 }
+
+export const formatUnits = (value: string | number | bigint, decimals: number) => {
+  return viemFormatUnits(BigInt(value), decimals)
+}
+
+export const parseEther = (value: string | number) => {
+  // Converting to string for support of numbers as input
+  return viemParseEther(`${value}`)
+}
+
+export const formatEther = (value: string | number | bigint) => {
+  return viemFormatEther(BigInt(value))
+}
