fix(examples): correct EIP-55 checksums for all addresses in playground examples

- 0x85d80245Dc02f5a89589e1f19C5c718E405B56Aa -> 0x85d80245dc02f5A89589e1f19c5c718E405B56AA
- 0x2ed3dddae5b2f321af0806181fbfa6d049be47d8 -> 0x2ED3dddae5B2F321AF0806181FBFA6D049Be47d8
Fixes InvalidAddressError / NodeError: Invalid EVM address format in Balances and ERC-20 Info examples

Author: SPCFXDA

docs-site/components/Playground.tsx

@@ -5,7 +5,7 @@ import {
   SandpackCodeEditor,
   SandpackConsole,
   SandpackPreview,
-  SandpackLoadingOverlay,
+  LoadingOverlay,
   useSandpack,
   useSandpackNavigation,
 } from '@codesandbox/sandpack-react'
@@ -176,7 +176,7 @@ export function Playground({
             position: 'relative',
           }}
         >
-          <SandpackLoadingOverlay />
+          <LoadingOverlay />
           <SandpackCodeEditor
             showLineNumbers
             showInlineErrors

docs-site/content/examples/deploy-token.mdx

@@ -34,7 +34,7 @@ if (fns.length > 10) console.log('  ... and ' + (fns.length - 10) + ' more')
 const TOKEN_NAME    = 'Demo Token'
 const TOKEN_SYMBOL  = 'DEMO'
 const TOTAL_SUPPLY  = parseUnits('1000000', 18)
-const OWNER_ADDR    = '0x85d80245Dc02f5a89589e1f19C5c718E405B56Aa'
+const OWNER_ADDR    = '0x85d80245dc02f5A89589e1f19c5c718E405B56AA'
 
 console.log('-- Deploy Parameters --')
 console.log('Name   : ' + TOKEN_NAME)

docs-site/content/examples/erc20-info.mdx

@@ -19,8 +19,8 @@ Change `TOKEN` to any ERC-20 address on testnet. The default is **WCFX** (Wrappe
     "/index.ts": `import { EspaceClient, EVM_TESTNET, ERC20_ABI, formatUnits } from '@cfxdevkit/core'
 
 // WCFX (Wrapped CFX) — always-live ERC-20 on Conflux eSpace testnet
-const TOKEN  = '0x2ed3dddae5b2f321af0806181fbfa6d049be47d8'
-const HOLDER = '0x85d80245Dc02f5a89589e1f19C5c718E405B56Aa'
+const TOKEN  = '0x2ED3dddae5B2F321AF0806181FBFA6D049Be47d8'
+const HOLDER = '0x85d80245dc02f5A89589e1f19c5c718E405B56AA'
 const SPENDER = '0x33e5E5B262e5d8eBC443E1c6c9F14215b020554d' // AutomationManager testnet
 
 const client = new EspaceClient({

docs-site/content/examples/read-balance.mdx

@@ -25,14 +25,14 @@ const client = new EspaceClient({
 
 // ── Native CFX balances ──────────────────────────────────────────────────────
 const ADDRS = [
-  '0x85d80245Dc02f5a89589e1f19C5c718E405B56Aa',
+  '0x85d80245dc02f5A89589e1f19c5c718E405B56AA',
   '0x0000000000000000000000000000000000000000',
 ]
 
 // ── ERC-20 token balance ─────────────────────────────────────────────────────
 // WCFX (Wrapped CFX) on Conflux eSpace testnet
-const WCFX   = '0x2ed3dddae5b2f321af0806181fbfa6d049be47d8'
-const HOLDER = '0x85d80245Dc02f5a89589e1f19C5c718E405B56Aa'
+const WCFX   = '0x2ED3dddae5B2F321AF0806181FBFA6D049Be47d8'
+const HOLDER = '0x85d80245dc02f5A89589e1f19c5c718E405B56AA'
 
 ;(async () => {
   // getBalance() calls eth_getBalance and returns a formatted CFX string

docs-site/content/examples/swap-quote.mdx

@@ -40,7 +40,7 @@ console.log('Mainnet : ' + automationManagerAddress[1030])
 console.log('ABI entries: ' + automationManagerAbi.length)
 
 // 4. Live read using standard ABI -- WCFX on testnet
-const WCFX   = '0x2ed3dddae5b2f321af0806181fbfa6d049be47d8'
+const WCFX   = '0x2ED3dddae5B2F321AF0806181FBFA6D049Be47d8'
 const client = new EspaceClient({ chainId: EVM_TESTNET.id, rpcUrl: EVM_TESTNET.rpcUrls.default.http[0] })
 
 ;(async () => {