new send/preview flow

src/components/Footer/index.astro

@@ -8,7 +8,7 @@ const year = new Date().getFullYear()
 const { name, url, github } = config.author
 ---
 
-<footer role="contentinfo" class={styles.footer}>
+<footer role="contentinfo" class={styles.footer} id="footer">
   <Vcard />
   <section class={styles.copyright}>
     <p>

src/components/Header/index.astro

@@ -6,7 +6,7 @@ import { Logo } from '@images/components'
 import styles from './index.module.css'
 ---
 
-<header class={styles.header} aria-label="Header">
+<header class={styles.header} aria-label="Header" id="header">
   <div class={styles.headerContent}>
     <a href="/" class={styles.title}>
       <Logo class={styles.logo} viewBox="0 0 191 36" /> kremalicious

src/components/Loader/Loader.module.css

@@ -0,0 +1,16 @@
+.loader {
+  will-change: transform;
+  animation: spin 1s linear infinite;
+  width: 18px !important;
+  height: 18px !important;
+}
+
+@keyframes spin {
+  0% {
+    transform: rotate(0deg);
+  }
+
+  100% {
+    transform: rotate(359deg);
+  }
+}

src/components/Loader/Loader.tsx

@@ -0,0 +1,8 @@
+import styles from './Loader.module.css'
+import { Loader as LoaderIcon } from '@images/components/react'
+
+export function Loader() {
+  // TODO: fix React props for generated SVG components for class/className
+  //@ts-expect-error-next-line
+  return <LoaderIcon className={styles.loader} />
+}

src/components/Loader/index.tsx

@@ -0,0 +1 @@
+export * from './Loader'

src/features/Web3/components/Form/index.module.css

@@ -1,11 +1,9 @@
 .web3 {
-  margin-left: auto;
+  margin: calc(var(--spacer) / 2) auto calc(var(--spacer) / 4) auto;
-  margin-right: auto;
   max-width: 25rem;
   width: 100%;
   text-align: center;
   min-height: 165px;
-  margin-top: calc(var(--spacer) / 4);
 }
 
 .rainbowkit button > div {
@@ -56,11 +54,18 @@
 }
 
 .disclaimer {
+  color: var(--text-color-light);
   font-size: var(--font-size-small);
-  margin-top: calc(var(--spacer) / 3);
+  margin-top: calc(var(--spacer) / 2);
   margin-bottom: calc(var(--spacer) / 6);
 }
 
+.disclaimer code {
+  background: none;
+  color: var(--text-color);
+  padding-left: 2px;
+}
+
 .message {
   font-size: var(--font-size-small);
   position: relative;

src/features/Web3/components/Form/index.tsx

@@ -5,34 +5,35 @@ import { ConnectButton } from '@rainbow-me/rainbowkit'
 import { InputGroup } from '../Input'
 import styles from './index.module.css'
 import { useStore } from '@nanostores/react'
-import { $selectedToken } from '@features/Web3/stores/selectedToken'
+import { $selectedToken, $isInitSend } from '@features/Web3/stores'
 import siteConfig from '@config/blog.config'
-import { Send } from '../Send/Send'
+import { Send } from '../Send'
 
 export default function Web3Form(): ReactElement {
   const { address: account } = useAccount()
   const selectedToken = useStore($selectedToken)
+  const isInitSend = useStore($isInitSend)
 
   const [amount, setAmount] = useState('')
   const [debouncedAmount] = useDebounce(amount, 500)
-  const [initSend, setInitSend] = useState(false)
 
   const isDisabled = !account
 
+  // reset amount whenever token changes
   useEffect(() => {
     if (!selectedToken) return
     setAmount('')
   }, [selectedToken])
 
-  return initSend ? (
+  return isInitSend ? (
-    <Send amount={debouncedAmount} setInitSend={setInitSend} />
+    <Send amount={debouncedAmount} />
   ) : (
     <form
       className={styles.web3}
       onSubmit={(e) => {
         e.preventDefault()
-        if (debouncedAmount !== '' || debouncedAmount === '0') return
+        if (debouncedAmount === '' || debouncedAmount === '0') return
-        setInitSend(true)
+        $isInitSend.set(true)
       }}
     >
       <>
@@ -42,7 +43,6 @@ export default function Web3Form(): ReactElement {
         <InputGroup
           amount={amount}
           setAmount={setAmount}
-          setInitSend={setInitSend}
           isDisabled={isDisabled}
         />
         <div className={styles.disclaimer}>

src/features/Web3/components/Input/InputGroup.module.css

@@ -64,12 +64,12 @@
   border-top-left-radius: 0;
   border-top-right-radius: 0;
   border-color: var(--link-color-hover);
-  padding: 0 calc(var(--spacer) / 4);
+  padding: 0 calc(var(--spacer) / 2);
 }
 
 @media (min-width: 40rem) {
   .submit {
-    width: fit-content;
+    width: 115px;
     border-top-right-radius: var(--border-radius);
     border-top-left-radius: 0;
     border-bottom-left-radius: 0;

src/features/Web3/components/Input/InputGroup.tsx

@@ -3,17 +3,16 @@ import Input from '@components/Input'
 import { Conversion } from '../Conversion'
 import styles from './InputGroup.module.css'
 import { TokenSelect } from '../TokenSelect'
+import { $isInitSend } from '@features/Web3/stores'
 
 export function InputGroup({
   amount,
   isDisabled,
-  setAmount,
+  setAmount
-  setInitSend
 }: {
   amount: string
   isDisabled: boolean
   setAmount: React.Dispatch<React.SetStateAction<string>>
-  setInitSend: React.Dispatch<React.SetStateAction<boolean>>
 }): ReactElement {
   return (
     <>
@@ -36,9 +35,9 @@ export function InputGroup({
         <button
           className={`${styles.submit} btn btn-primary`}
           disabled={isDisabled || !amount}
-          onClick={() => setInitSend(true)}
+          onClick={() => $isInitSend.set(true)}
         >
-          Make it rain
+          Preview
         </button>
       </div>
       <Conversion amount={amount} />

src/features/Web3/components/Send/Send.module.css

@@ -0,0 +1,24 @@
+.send {
+  margin-top: calc(var(--spacer) / 2);
+}
+
+.title {
+  text-align: center;
+}
+
+.actions {
+  display: flex;
+  justify-content: center;
+}
+
+.actions button {
+  line-height: 1;
+}
+
+.actions button:first-child {
+  margin-right: var(--spacer);
+  width: 115px;
+  height: 50px;
+  padding-top: 0;
+  padding-bottom: 0;
+}

src/features/Web3/components/Send/Send.tsx

@@ -1,27 +1,27 @@
-import { useStore } from '@nanostores/react'
-import { $selectedToken } from '@features/Web3/stores/selectedToken'
-import { useNetwork, useEnsAddress } from 'wagmi'
-import siteConfig from '@config/blog.config'
 import { useState, type FormEvent, useEffect } from 'react'
-import { prepareTransaction } from './prepareTransaction'
+import { useStore } from '@nanostores/react'
-import { sendTransaction } from './sendTransaction'
+import { useNetwork, useEnsAddress, useEnsName } from 'wagmi'
 import type {
   SendTransactionArgs,
   WriteContractPreparedArgs
 } from 'wagmi/actions'
-import { formatEther } from 'viem'
+import { $selectedToken, $isInitSend } from '@features/Web3/stores'
+import siteConfig from '@config/blog.config'
+import { prepareTransaction, sendTransaction } from './actions'
+import styles from './Send.module.css'
+import { SendTable } from './SendTable'
+import { Loader } from '@components/Loader'
 
-export function Send({
+export function Send({ amount }: { amount: string }) {
-  amount,
+  const { ens } = siteConfig.author.ether
-  setInitSend
-}: {
-  amount: string
-  setInitSend: (initSend: boolean) => void
-}) {
   const { chain } = useNetwork()
   const selectedToken = useStore($selectedToken)
-  const { data: to } = useEnsAddress({
+
-    name: siteConfig.author.ether.ens,
+  // Always resolve to address from ENS name and vice versa
+  // so nobody has to trust my config values.
+  const { data: to } = useEnsAddress({ name: ens, chainId: 1 })
+  const { data: ensResolved } = useEnsName({
+    address: to as `0x${string}` | undefined,
     chainId: 1
   })
 
@@ -29,6 +29,7 @@ export function Send({
     SendTransactionArgs | WriteContractPreparedArgs
   >()
   const [txHash, setTxHash] = useState<string>()
+  const [isLoading, setIsLoading] = useState(false)
 
   useEffect(() => {
     async function init() {
@@ -47,27 +48,47 @@ export function Send({
 
   async function handleSend(event: FormEvent<HTMLButtonElement>) {
     event?.preventDefault()
+    try {
+      setIsLoading(true)
       const result = await sendTransaction(selectedToken, txConfig)
       setTxHash(result?.hash)
+      setIsLoading(false)
+    } catch (error: unknown) {
+      console.error((error as Error).message)
+      setIsLoading(false)
+    }
   }
 
-  const value =
-    (txConfig as SendTransactionArgs)?.value ||
-    (txConfig as WriteContractPreparedArgs)?.request?.args[1] ||
-    '0'
-  const displayAmountFromConfig = formatEther(value)
   console.log(txHash)
 
   return (
     <>
-      <div>
+      <div className={styles.send}>
-        <p>You are about to send</p>
+        {/* <h5 className={styles.title}>You are sending</h5> */}
-        <p>
+
-          {displayAmountFromConfig} {selectedToken?.symbol} to <code>{to}</code>{' '}
+        <SendTable
-          on {chain?.name}
+          to={to}
-        </p>
+          ensResolved={ensResolved}
-        <button onClick={(e) => handleSend(e)}>Confirm</button>
+          txConfig={txConfig}
-        <button onClick={() => setInitSend(false)}>Cancel</button>
+          isDisabled={isLoading}
+        />
+
+        <footer className={styles.actions}>
+          <button
+            onClick={(e) => handleSend(e)}
+            className="btn btn-primary"
+            disabled={isLoading}
+          >
+            {isLoading ? <Loader /> : 'Make it rain'}
+          </button>
+          <button
+            onClick={() => $isInitSend.set(false)}
+            className="link"
+            disabled={isLoading}
+          >
+            Cancel
+          </button>
+        </footer>
       </div>
     </>
   )

src/features/Web3/components/Send/SendTable.module.css

@@ -0,0 +1,40 @@
+.amount,
+.network,
+.to {
+  /* font-weight: var(--font-weight-bold); */
+}
+
+.to {
+  display: block;
+  word-break: break-all;
+  background: none;
+  padding: 0;
+}
+
+.to:last-child {
+  padding-left: 14px;
+  font-size: var(--font-size-mini);
+}
+
+.to:last-child::first-letter {
+  margin-left: -14px;
+}
+
+.table {
+  /* max-width: 386px; */
+  margin-bottom: calc(var(--spacer) / 1.5);
+}
+
+table[aria-disabled='true'] {
+  opacity: 0.5;
+  pointer-events: none;
+}
+
+.table td {
+  padding: calc(var(--spacer) / 4);
+}
+
+.label {
+  color: var(--text-color-light);
+  vertical-align: top;
+}

src/features/Web3/components/Send/SendTable.tsx

@@ -0,0 +1,66 @@
+import { formatEther } from 'viem'
+import { useNetwork } from 'wagmi'
+import type {
+  SendTransactionArgs,
+  WriteContractPreparedArgs
+} from 'wagmi/actions'
+import styles from './SendTable.module.css'
+import { useStore } from '@nanostores/react'
+import { $selectedToken } from '@features/Web3/stores'
+
+export function SendTable({
+  to,
+  ensResolved,
+  txConfig,
+  isDisabled
+}: {
+  to: `0x${string}` | null | undefined
+  ensResolved: string | null | undefined
+  txConfig: SendTransactionArgs | WriteContractPreparedArgs | undefined
+  isDisabled: boolean
+}) {
+  const { chain } = useNetwork()
+  const selectedToken = useStore($selectedToken)
+
+  // Derive display values in preview from actual tx config
+  // instead from our form stores
+  const value =
+    (txConfig as SendTransactionArgs)?.value ||
+    (txConfig as WriteContractPreparedArgs)?.request?.args?.[1] ||
+    '0'
+  const displayAmountFromConfig = formatEther(value as bigint)
+
+  return (
+    <table className={styles.table} aria-disabled={isDisabled}>
+      <tbody>
+        <tr>
+          <td className={styles.label}>Sending</td>
+          <td>
+            <span className={styles.amount}>
+              {displayAmountFromConfig} {selectedToken?.symbol}
+            </span>
+          </td>
+        </tr>
+        <tr>
+          <td className={styles.label}>on</td>
+          <td>
+            <span className={styles.network}>{chain?.name}</span>
+          </td>
+        </tr>
+        {/* <tr>
+        <td>From</td>
+        <td>
+          <code className={styles.from}>{from}</code>
+        </td>
+      </tr> */}
+        <tr>
+          <td className={styles.label}>to</td>
+          <td title={`${ensResolved} successfully resolved to ${to}`}>
+            <code className={styles.to}>{ensResolved}</code>
+            <code className={styles.to}>{`→ ${to}`}</code>
+          </td>
+        </tr>
+      </tbody>
+    </table>
+  )
+}

src/features/Web3/components/Send/actions/index.ts

@@ -0,0 +1,2 @@
+export * from './prepareTransaction'
+export * from './sendTransaction'

src/features/Web3/components/Send/actions/prepareTransaction.ts

@@ -0,0 +1,34 @@
+import type { GetToken } from '@features/Web3/stores/tokens'
+import { parseEther, parseUnits } from 'viem'
+import {
+  prepareSendTransaction,
+  prepareWriteContract,
+  type SendTransactionArgs,
+  type WriteContractPreparedArgs
+} from 'wagmi/actions'
+import { abiErc20Transfer } from '../abiErc20Transfer'
+
+export async function prepareTransaction(
+  selectedToken: GetToken | undefined,
+  amount: string | undefined,
+  to: `0x${string}` | null | undefined,
+  chainId: number | undefined
+) {
+  if (!chainId || !to || !amount || !selectedToken || !selectedToken?.address)
+    return
+
+  const isNative = selectedToken.address === '0x0'
+  const setupNative = { chainId, to, value: parseEther(amount) }
+  const setupErc20 = {
+    address: selectedToken.address,
+    abi: abiErc20Transfer,
+    functionName: 'transfer',
+    args: [to, parseUnits(amount, selectedToken.decimals || 18)]
+  }
+
+  const config = isNative
+    ? ((await prepareSendTransaction(setupNative)) as SendTransactionArgs)
+    : ((await prepareWriteContract(setupErc20)) as WriteContractPreparedArgs)
+
+  return config
+}

src/features/Web3/components/Send/prepareTransaction.ts

@@ -1,35 +0,0 @@
-import type { GetToken } from '@features/Web3/stores/tokens'
-import { parseEther, parseUnits } from 'viem'
-import {
-  prepareSendTransaction,
-  prepareWriteContract,
-  type SendTransactionArgs,
-  type WriteContractPreparedArgs
-} from 'wagmi/actions'
-import { abiErc20Transfer } from './abiErc20Transfer'
-
-export async function prepareTransaction(
-  selectedToken: GetToken | undefined,
-  amount: string | undefined,
-  to: `0x${string}` | null | undefined,
-  chainId: number | undefined
-) {
-  if (!chainId || !to || !amount || !selectedToken) return
-
-  const isNative = selectedToken?.address === '0x0'
-
-  const config = isNative
-    ? ((await prepareSendTransaction({
-        chainId,
-        to,
-        value: parseEther(amount)
-      })) as SendTransactionArgs)
-    : ((await prepareWriteContract({
-        address: selectedToken?.address,
-        abi: abiErc20Transfer,
-        functionName: 'transfer',
-        args: [to, parseUnits(amount, selectedToken?.decimals || 18)]
-      })) as WriteContractPreparedArgs)
-
-  return config
-}

src/features/Web3/components/Send/types.ts

@@ -1,8 +0,0 @@
-export type SendFormData = {
-  data: { hash: `0x${string}` }
-  send: () => Promise<void>
-  isLoading: boolean
-  isSuccess: boolean
-  isError: boolean
-  error: Error | null
-}

src/features/Web3/stores/index.ts

@@ -0,0 +1,3 @@
+export * from './tokens'
+export * from './selectedToken'
+export * from './isInitSend'

src/features/Web3/stores/isInitSend.ts

@@ -0,0 +1,3 @@
+import { atom } from 'nanostores'
+
+export const $isInitSend = atom<boolean>(false)

src/pages/thanks.astro

@@ -67,6 +67,35 @@ import CodeCopy from '@components/CopyCode.astro'
   }
 </style>
 
+<style is:global>
+  html.isInitSend #header,
+  html.isInitSend #footer,
+  html.isInitSend section:not(.isInitSend),
+  html.isInitSend h2,
+  html.isInitSend h3 {
+    opacity: 0.1;
+    pointer-events: none;
+    transition: opacity 0.2s ease-out;
+  }
+
+  html.isInitSend #web3 {
+    opacity: 1;
+    pointer-events: all;
+  }
+</style>
+
+<script>
+  import { $isInitSend } from '@features/Web3/stores'
+
+  $isInitSend.subscribe((value) => {
+    const html = document.querySelector('html')
+
+    value
+      ? html?.classList.add('isInitSend')
+      : html?.classList.remove('isInitSend')
+  })
+</script>
+
 <LayoutBase title="Say Thanks" pageTitle="Say Thanks">
   <!-- <BackButton /> -->
   <div class="grid">
@@ -78,7 +107,7 @@ import CodeCopy from '@components/CopyCode.astro'
         can send me some Ether, ERC-20 token, or Bitcoin.
       </section>
 
-      <section class="section highlight">
+      <section class="section highlight" id="web3">
         <h4 class="titleCoin"><Wallet /> Web3 Wallet</h4>
         <Web3 client:load />
       </section>
@@ -91,12 +120,27 @@ import CodeCopy from '@components/CopyCode.astro'
 
     <div>
       <h3 class="subTitle">Sponsor</h3>
-      <section class="section">You can also sponsor me on GitHub.</section>
+      <section class="section">
+        <p>You can also sponsor me on GitHub.</p>
         <a href="https://github.com/sponsors/kremalicious/">
           <img
             src="https://img.shields.io/static/v1?label=Sponsor%20On%20GitHub&labelColor=%2343a699&message=%E2%9D%A4&logo=GitHub&color=%23fe8e86&style=for-the-badge"
           />
         </a>
+      </section>
+
+      <h3 class="subTitle">Hire Me</h3>
+      <section class="section">
+        <p>
+          Available for contract work to solve your design, front-end, and web3
+          problems.
+        </p>
+        <p>
+          Get in touch on <a href="https://matthiaskretschmann.com"
+            >my portfolio</a
+          >.
+        </p>
+      </section>
     </div>
   </div>
 </LayoutBase>

src/styles/_buttons.css

@@ -33,9 +33,11 @@ a.btn {
   transition: none;
 }
 
-/* // Disabled State */
+/* Disabled State */
 .btn.disabled,
-.btn[disabled] {
+.btn[disabled],
+button:disabled,
+.btn:disabled {
   /* TODO: cursor & pointer values can't be used together */
   cursor: not-allowed;
   pointer-events: none;

src/styles/global.css

@@ -319,7 +319,6 @@ table {
 
 th {
   text-align: left;
-  border-top: 1px solid var(--border-color);
 }
 
 th,
@@ -331,6 +330,10 @@ td {
   border-bottom: 1px solid var(--border-color);
 }
 
+tr:last-child td {
+  border-bottom: none;
+}
+
 /* Selection
 ///////////////////////////////////// */