Take tx memo data and parameter value as hex.

Fix HookOn initial value.

.env.example

@@ -5,7 +5,8 @@ GITHUB_ID=""
 NEXT_PUBLIC_COMPILE_API_ENDPOINT="http://localhost:9000/api/build"
 NEXT_PUBLIC_COMPILE_API_BASE_URL="http://localhost:9000"
 NEXT_PUBLIC_LANGUAGE_SERVER_API_ENDPOINT="ws://localhost:9000/language-server/c"
-NEXT_PUBLIC_TESTNET_URL="hooks-testnet-v2.xrpl-labs.com"
+NEXT_PUBLIC_TESTNET_URL="hooks-testnet-v3.xrpl-labs.com"
-NEXT_PUBLIC_DEBUG_STREAM_URL="hooks-testnet-v2-debugstream.xrpl-labs.com"
+NEXT_PUBLIC_DEBUG_STREAM_URL="hooks-testnet-v3-debugstream.xrpl-labs.com"
-NEXT_PUBLIC_EXPLORER_URL="hooks-testnet-v2-explorer.xrpl-labs.com"
+NEXT_PUBLIC_EXPLORER_URL="hooks-testnet-v3-explorer.xrpl-labs.com"
-NEXT_PUBLIC_SITE_URL=http://localhost:3000
+NEXT_PUBLIC_NETWORK_ID="21338"
+NEXT_PUBLIC_SITE_URL="http://localhost:3000"

.gitignore

@@ -33,3 +33,7 @@ yarn-error.log*
 # vercel
 .vercel
 .vscode
+
+# yarn
+.yarnrc.yml
+.yarn/

components/Accounts.tsx

@@ -33,6 +33,7 @@ import { addFunds } from '../state/actions/addFaucetAccount'
 import { deleteHook } from '../state/actions/deployHook'
 import { capitalize } from '../utils/helpers'
 import { deleteAccount } from '../state/actions/deleteAccount'
+import { xrplSend } from '../state/actions/xrpl-client'
 
 export const AccountDialog = ({
   activeAccountAddress,
@@ -301,7 +302,7 @@ const Accounts: FC<AccountProps> = props => {
     const fetchAccInfo = async () => {
       if (snap.clientStatus === 'online') {
         const requests = snap.accounts.map(acc =>
-          snap.client?.send({
+          xrplSend({
             id: `hooks-builder-req-info-${acc.address}`,
             command: 'account_info',
             account: acc.address
@@ -329,7 +330,7 @@ const Accounts: FC<AccountProps> = props => {
           }
         })
         const objectRequests = snap.accounts.map(acc => {
-          return snap.client?.send({
+          return xrplSend({
             id: `hooks-builder-req-objects-${acc.address}`,
             command: 'account_objects',
             account: acc.address

components/DebugStream.tsx

@@ -5,6 +5,7 @@ import { subscribeKey } from 'valtio/utils'
 import { Select } from '.'
 import state, { ILog, transactionsState } from '../state'
 import { extractJSON } from '../utils/json'
+import EnrichLog from './EnrichLog'
 import LogBox from './LogBox'
 
 interface ISelect<T = string> {
@@ -99,6 +100,11 @@ const addListeners = (account: ISelect | null) => {
 
 subscribeKey(streamState, 'selectedAccount', addListeners)
 
+const clearLog = () => {
+  streamState.logs = []
+  streamState.statusChangeTimestamp = Date.now()
+}
+
 const DebugStream = () => {
   const { selectedAccount, logs } = useSnapshot(streamState)
   const { activeHeader: activeTxTab } = useSnapshot(transactionsState)
@@ -134,11 +140,6 @@ const DebugStream = () => {
       streamState.selectedAccount = account
   }, [activeTxTab])
 
-  const clearLog = () => {
-    streamState.logs = []
-    streamState.statusChangeTimestamp = Date.now()
-  }
-
   return (
     <LogBox enhanced renderNav={renderNav} title="Debug stream" logs={logs} clearLog={clearLog} />
   )
@@ -157,9 +158,11 @@ export const pushLog = (str: any, opts: Partial<Pick<ILog, 'type'>> = {}): ILog
   const timestring = !timestamp ? tm : new Date(timestamp).toLocaleTimeString()
 
   const extracted = extractJSON(msg)
-  const message = !extracted ? msg : msg.slice(0, extracted.start) + msg.slice(extracted.end + 1)
+  const _message = !extracted ? msg : msg.slice(0, extracted.start) + msg.slice(extracted.end + 1)
+  const message = ref(<EnrichLog str={_message} />)
 
-  const jsonData = extracted ? JSON.stringify(extracted.result, null, 2) : undefined
+  const _jsonData = extracted ? JSON.stringify(extracted.result, null, 2) : undefined
+  const jsonData = _jsonData ? ref(<EnrichLog str={_jsonData} />) : undefined
 
   if (extracted?.result?.id?._Request?.includes('hooks-builder-req')) {
     return

components/Dialog.tsx

@@ -15,7 +15,7 @@ const contentShow = keyframes({
   '100%': { opacity: 1 }
 })
 const StyledOverlay = styled(DialogPrimitive.Overlay, {
-  zIndex: 10000,
+  zIndex: 3000,
   backgroundColor: blackA.blackA9,
   position: 'fixed',
   inset: 0,

components/EnrichLog.tsx

@@ -0,0 +1,73 @@
+import { FC, useState } from 'react'
+import regexifyString from 'regexify-string'
+import { useSnapshot } from 'valtio'
+import { Link } from '.'
+import state from '../state'
+import { AccountDialog } from './Accounts'
+import Tooltip from './Tooltip'
+import hookSetCodes from '../content/hook-set-codes.json'
+import { capitalize } from '../utils/helpers'
+
+interface EnrichLogProps {
+  str?: string
+}
+
+const EnrichLog: FC<EnrichLogProps> = ({ str }) => {
+  const { accounts } = useSnapshot(state)
+  const [dialogAccount, setDialogAccount] = useState<string | null>(null)
+  if (!str || !accounts.length) return <>{str}</>
+
+  const addrs = accounts.map(acc => acc.address)
+  const regex = `(${addrs.join('|')}|HookSet\\(\\d+\\))`
+  const res = regexifyString({
+    pattern: new RegExp(regex, 'gim'),
+    decorator: (match, idx) => {
+      if (match.startsWith('r')) {
+        // Account
+        const name = accounts.find(acc => acc.address === match)?.name
+        return (
+          <Link
+            key={match + idx}
+            as="a"
+            onClick={() => setDialogAccount(match)}
+            title={match}
+            highlighted
+          >
+            {name || match}
+          </Link>
+        )
+      }
+      if (match.startsWith('HookSet')) {
+        const code = match.match(/^HookSet\((\d+)\)/)?.[1]
+        const val = hookSetCodes.find(v => code && v.code === +code)
+        console.log({ code, val })
+        if (!val) return match
+
+        const content = capitalize(val.description) || 'No hint available!'
+        return (
+          <>
+            HookSet(
+            <Tooltip content={content}>
+              <Link>{val.identifier}</Link>
+            </Tooltip>
+            )
+          </>
+        )
+      }
+      return match
+    },
+    input: str
+  })
+
+  return (
+    <>
+      {res}
+      <AccountDialog
+        setActiveAccountAddress={setDialogAccount}
+        activeAccountAddress={dialogAccount}
+      />
+    </>
+  )
+}
+
+export default EnrichLog

components/HooksEditor.tsx

@@ -200,15 +200,15 @@ const HooksEditor = () => {
             defaultValue={file?.content}
             // onChange={val => (state.files[snap.active].content = val)} // Auto save?
             beforeMount={monaco => {
-              if (!snap.editorCtx) {
+              // if (!snap.editorCtx) {
-                snap.files.forEach(file =>
+              //   snap.files.forEach(file =>
-                  monaco.editor.createModel(
+              //     monaco.editor.createModel(
-                    file.content,
+              //       file.content,
-                    file.language,
+              //       file.language,
-                    monaco.Uri.parse(`file:///work/c/${file.name}`)
+              //       monaco.Uri.parse(`file:///work/c/${file.name}`)
-                  )
+              //     )
-                )
+              //   )
-              }
+              // }
 
               // create the web socket
               if (!subscriptionRef.current) {
@@ -218,6 +218,11 @@ const HooksEditor = () => {
                   aliases: ['C', 'c', 'H', 'h'],
                   mimetypes: ['text/plain']
                 })
+                monaco.languages.register({
+                  id: 'text',
+                  extensions: ['.txt'],
+                  mimetypes: ['text/plain'],
+                })
                 MonacoServices.install(monaco)
                 const webSocket = createWebSocket(
                   process.env.NEXT_PUBLIC_LANGUAGE_SERVER_API_ENDPOINT || ''

components/LogBox.tsx

@@ -1,15 +1,12 @@
-import { useRef, useLayoutEffect, ReactNode, FC, useState, useCallback } from 'react'
+import { useRef, useLayoutEffect, ReactNode, FC, useState } from 'react'
 import { IconProps, Notepad, Prohibit } from 'phosphor-react'
 import useStayScrolled from 'react-stay-scrolled'
 import NextLink from 'next/link'
 
 import Container from './Container'
 import LogText from './LogText'
-import state, { ILog } from '../state'
+import { ILog } from '../state'
 import { Pre, Link, Heading, Button, Text, Flex, Box } from '.'
-import regexifyString from 'regexify-string'
-import { useSnapshot } from 'valtio'
-import { AccountDialog } from './Accounts'
 
 interface ILogBox {
   title: string
@@ -143,70 +140,25 @@ const LogBox: FC<ILogBox> = ({
 export const Log: FC<ILog> = ({
   type,
   timestring,
-  message: _message,
+  message,
   link,
   linkText,
   defaultCollapsed,
-  jsonData: _jsonData
+  jsonData
 }) => {
   const [expanded, setExpanded] = useState(!defaultCollapsed)
-  const { accounts } = useSnapshot(state)
-  const [dialogAccount, setDialogAccount] = useState<string | null>(null)
-
-  const enrichAccounts = useCallback(
-    (str?: string): ReactNode => {
-      if (!str || !accounts.length) return str
-
-      const pattern = `(${accounts.map(acc => acc.address).join('|')})`
-      const res = regexifyString({
-        pattern: new RegExp(pattern, 'gim'),
-        decorator: (match, idx) => {
-          const name = accounts.find(acc => acc.address === match)?.name
-          return (
-            <Link
-              key={match + idx}
-              as="a"
-              onClick={() => setDialogAccount(match)}
-              title={match}
-              highlighted
-            >
-              {name || match}
-            </Link>
-          )
-        },
-        input: str
-      })
-
-      return <>{res}</>
-    },
-    [accounts]
-  )
-
-  let message: ReactNode
-
-  if (typeof _message === 'string') {
-    _message = _message.trim().replace(/\n /gi, '\n')
-    if (_message) message = enrichAccounts(_message)
-    else message = <Text muted>{'""'}</Text>
-  } else {
-    message = _message
-  }
-
-  const jsonData = enrichAccounts(_jsonData)
 
+  if (message === undefined) message = <Text muted>{'undefined'}</Text>
+  else if (message === '') message = <Text muted>{'""'}</Text>
   return (
     <>
-      <AccountDialog
-        setActiveAccountAddress={setDialogAccount}
-        activeAccountAddress={dialogAccount}
-      />
       <LogText variant={type}>
         {timestring && (
           <Text muted monospace>
             {timestring}{' '}
           </Text>
         )}
-        <Pre>{message} </Pre>
+        <Pre>{message}</Pre>
         {link && (
           <NextLink href={link} shallow passHref>
             <Link as="a">{linkText}</Link>
@@ -219,7 +171,6 @@ export const Log: FC<ILog> = ({
         )}
         {expanded && jsonData && <Pre block>{jsonData}</Pre>}
       </LogText>
-      <br />
     </>
   )
 }

components/ResultLink.tsx

@@ -0,0 +1,24 @@
+import { FC } from 'react'
+import { Link } from '.'
+
+interface Props {
+  result?: string
+}
+
+const ResultLink: FC<Props> = ({ result }) => {
+  if (!result) return null
+  let href: string
+  if (result === 'tesSUCCESS') {
+    href = 'https://xrpl.org/tes-success.html'
+  } else {
+    // Going shortcut here because of url structure, if that changes we will do it manually
+    href = `https://xrpl.org/${result.slice(0, 3)}-codes.html`
+  }
+  return (
+    <Link as="a" href={href} target="_blank" rel="noopener noreferrer">
+      {result}
+    </Link>
+  )
+}
+
+export default ResultLink

components/RunScript/index.tsx

@@ -21,7 +21,7 @@ import { saveFile } from '../../state/actions/saveFile'
 import { getErrors, getTags } from '../../utils/comment-parser'
 import toast from 'react-hot-toast'
 
-const generateHtmlTemplate = (code: string, data?: Record<string, any>) => {
+const generateHtmlTemplate = async (code: string, data?: Record<string, any>) => {
   let processString: string | undefined
   const process = { env: { NODE_ENV: 'production' } } as any
   if (data) {
@@ -29,8 +29,10 @@ const generateHtmlTemplate = (code: string, data?: Record<string, any>) => {
       process.env[key] = data[key]
     })
   }
+
   processString = JSON.stringify(process)
 
+  const libs = (await import("xrpl-accountlib/dist/browser.hook-bundle.js")).default;
   return `
   <html>
   <head>
@@ -72,7 +74,9 @@ const generateHtmlTemplate = (code: string, data?: Record<string, any>) => {
 
       window.addEventListener('error', windowErrorHandler);
     </script>
-
+    <script>
+      ${libs}
+    </script>
     <script type="module">
       ${code}
     </script>
@@ -100,6 +104,7 @@ const RunScript: React.FC<{ file: IFile }> = ({ file: { content, name } }) => {
   const [fields, setFields] = useState<Fields>({})
   const [iFrameCode, setIframeCode] = useState('')
   const [isDialogOpen, setIsDialogOpen] = useState(false)
+  const [isLoading, setIsLoading] = useState(false)
 
   const getFields = useCallback(() => {
     const inputTags = ['input', 'param', 'arg', 'argument']
@@ -127,16 +132,31 @@ const RunScript: React.FC<{ file: IFile }> = ({ file: { content, name } }) => {
     return fields
   }, [content])
 
-  const runScript = useCallback(() => {
+  const runScript = useCallback(async () => {
+    setIsLoading(true);
     try {
+      // Show loading toast only after 1 second, otherwise skip it.
+      let loaded = false
+      let toastId: string | undefined;
+      setTimeout(() => {
+        if (!loaded) {
+          toastId = toast.loading('Loading packages, may take a few seconds...', {
+            position: 'bottom-center',
+          })
+        }
+      }, 1000)
+
       let data: any = {}
       Object.keys(fields).forEach(key => {
         data[key] = fields[key].value
       })
-      const template = generateHtmlTemplate(content, data)
+      const template = await generateHtmlTemplate(content, data)
-
       setIframeCode(template)
 
+      loaded = true
+      if (toastId) {
+        toast.dismiss(toastId)
+      }
       state.scriptLogs = [{ type: 'success', message: 'Started running...' }]
     } catch (err) {
       state.scriptLogs = [
@@ -145,6 +165,7 @@ const RunScript: React.FC<{ file: IFile }> = ({ file: { content, name } }) => {
         { type: 'error', message: err?.message || 'Could not parse template' }
       ]
     }
+    setIsLoading(false);
   }, [content, fields, snap.scriptLogs])
 
   useEffect(() => {
@@ -174,11 +195,11 @@ const RunScript: React.FC<{ file: IFile }> = ({ file: { content, name } }) => {
 
   const isDisabled = Object.values(fields).some(field => field.required && !field.value)
 
-  const handleRun = useCallback(() => {
+  const handleRun = useCallback(async () => {
     if (isDisabled) return toast.error('Please fill in all the required fields.')
 
     state.scriptLogs = []
-    runScript()
+    await runScript();
     setIsDialogOpen(false)
   }, [isDisabled, runScript])
 
@@ -279,7 +300,7 @@ const RunScript: React.FC<{ file: IFile }> = ({ file: { content, name } }) => {
               <DialogClose asChild>
                 <Button outline>Cancel</Button>
               </DialogClose>
-              <Button variant="primary" isDisabled={isDisabled} onClick={handleRun}>
+              <Button variant="primary" isDisabled={isDisabled || isLoading} isLoading={isLoading} onClick={handleRun}>
                 Run script
               </Button>
             </Flex>

components/Select.tsx

@@ -3,13 +3,11 @@ import { mauve, mauveDark, purple, purpleDark } from '@radix-ui/colors'
 import { useTheme } from 'next-themes'
 import { styled } from '../stitches.config'
 import dynamic from 'next/dynamic'
-import type { Props } from 'react-select'
+import type { Props, StylesConfig } from 'react-select'
 const SelectInput = dynamic(() => import('react-select'), { ssr: false })
+const CreatableSelectInput = dynamic(() => import('react-select/creatable'), { ssr: false })
 
-// eslint-disable-next-line react/display-name
+const getColors = (isDark: boolean) => {
-const Select = forwardRef<any, Props>((props, ref) => {
-  const { theme } = useTheme()
-  const isDark = theme === 'dark'
   const colors: any = {
     // primary: pink.pink9,
     active: isDark ? purpleDark.purple9 : purple.purple9,
@@ -30,93 +28,136 @@ const Select = forwardRef<any, Props>((props, ref) => {
   }
   colors.outline = colors.background
   colors.selected = colors.secondary
+  return colors
+}
+
+const getStyles = (isDark: boolean) => {
+  const colors = getColors(isDark)
+  const styles: StylesConfig = {
+    container: provided => {
+      return {
+        ...provided,
+        position: 'relative',
+        width: '100%'
+      }
+    },
+    singleValue: provided => ({
+      ...provided,
+      color: colors.mauve12
+    }),
+    menu: provided => ({
+      ...provided,
+      backgroundColor: colors.dropDownBg
+    }),
+    control: (provided, state) => {
+      return {
+        ...provided,
+        minHeight: 0,
+        border: '0px',
+        backgroundColor: colors.mauve4,
+        boxShadow: `0 0 0 1px ${state.isFocused ? colors.border : colors.secondary}`
+      }
+    },
+    input: provided => {
+      return {
+        ...provided,
+        color: '$text'
+      }
+    },
+    multiValue: provided => {
+      return {
+        ...provided,
+        backgroundColor: colors.mauve8
+      }
+    },
+    multiValueLabel: provided => {
+      return {
+        ...provided,
+        color: colors.mauve12
+      }
+    },
+    multiValueRemove: provided => {
+      return {
+        ...provided,
+        ':hover': {
+          background: colors.mauve9
+        }
+      }
+    },
+    option: (provided, state) => {
+      return {
+        ...provided,
+        color: colors.searchText,
+        backgroundColor: state.isFocused ? colors.activeLight : colors.dropDownBg,
+        ':hover': {
+          backgroundColor: colors.active,
+          color: '#ffffff'
+        },
+        ':selected': {
+          backgroundColor: 'red'
+        }
+      }
+    },
+    indicatorSeparator: provided => {
+      return {
+        ...provided,
+        backgroundColor: colors.secondary
+      }
+    },
+    dropdownIndicator: (provided, state) => {
+      return {
+        ...provided,
+        padding: 6,
+        color: state.isFocused ? colors.border : colors.secondary,
+        ':hover': {
+          color: colors.border
+        }
+      }
+    },
+    clearIndicator: provided => {
+      return {
+        ...provided,
+        padding: 6,
+        color: colors.secondary,
+        ':hover': {
+          color: colors.border
+        }
+      }
+    }
+  }
+  return styles
+}
+
+// eslint-disable-next-line react/display-name
+const Select = forwardRef<any, Props>((props, ref) => {
+  const { theme } = useTheme()
+  const isDark = theme === 'dark'
+  const styles = getStyles(isDark)
   return (
     <SelectInput
       ref={ref}
       menuPosition={props.menuPosition || 'fixed'}
-      styles={{
+      styles={styles}
-        container: provided => {
+      {...props}
-          return {
+    />
-            ...provided,
+  )
-            position: 'relative'
+})
-          }
+
-        },
+// eslint-disable-next-line react/display-name
-        singleValue: provided => ({
+const Creatable = forwardRef<any, Props>((props, ref) => {
-          ...provided,
+  const { theme } = useTheme()
-          color: colors.mauve12
+  const isDark = theme === 'dark'
-        }),
+  const styles = getStyles(isDark)
-        menu: provided => ({
+  return (
-          ...provided,
+    <CreatableSelectInput
-          backgroundColor: colors.dropDownBg
+      ref={ref}
-        }),
+      formatCreateLabel={label => `Enter "${label}"`}
-        control: (provided, state) => {
+      menuPosition={props.menuPosition || 'fixed'}
-          return {
+      styles={styles}
-            ...provided,
-            minHeight: 0,
-            border: '0px',
-            backgroundColor: colors.mauve4,
-            boxShadow: `0 0 0 1px ${state.isFocused ? colors.border : colors.secondary}`
-          }
-        },
-        input: provided => {
-          return {
-            ...provided,
-            color: '$text'
-          }
-        },
-        multiValue: provided => {
-          return {
-            ...provided,
-            backgroundColor: colors.mauve8
-          }
-        },
-        multiValueLabel: provided => {
-          return {
-            ...provided,
-            color: colors.mauve12
-          }
-        },
-        multiValueRemove: provided => {
-          return {
-            ...provided,
-            ':hover': {
-              background: colors.mauve9
-            }
-          }
-        },
-        option: (provided, state) => {
-          return {
-            ...provided,
-            color: colors.searchText,
-            backgroundColor: state.isFocused ? colors.activeLight : colors.dropDownBg,
-            ':hover': {
-              backgroundColor: colors.active,
-              color: '#ffffff'
-            },
-            ':selected': {
-              backgroundColor: 'red'
-            }
-          }
-        },
-        indicatorSeparator: provided => {
-          return {
-            ...provided,
-            backgroundColor: colors.secondary
-          }
-        },
-        dropdownIndicator: (provided, state) => {
-          return {
-            ...provided,
-            color: state.isFocused ? colors.border : colors.secondary,
-            ':hover': {
-              color: colors.border
-            }
-          }
-        }
-      }}
       {...props}
     />
   )
 })
 
 export default styled(Select, {})
+export const CreatableSelect = styled(Creatable, {})

components/Sequence.tsx

@@ -0,0 +1,71 @@
+import { FC, useCallback, useState } from 'react'
+import state from '../state'
+import { Flex, Input, Button } from '.'
+import fetchAccountInfo from '../utils/accountInfo'
+import { useSnapshot } from 'valtio'
+
+interface AccountSequenceProps {
+  address?: string
+}
+const AccountSequence: FC<AccountSequenceProps> = ({ address }) => {
+  const { accounts } = useSnapshot(state)
+  const account = accounts.find(acc => acc.address === address)
+  const [isLoading, setIsLoading] = useState(false)
+  const setSequence = useCallback(
+    (sequence: number) => {
+      const acc = state.accounts.find(acc => acc.address == address)
+      if (!acc) return
+      acc.sequence = sequence
+    },
+    [address]
+  )
+  const handleUpdateSequence = useCallback(
+    async (silent?: boolean) => {
+      if (!account) return
+      setIsLoading(true)
+
+      const info = await fetchAccountInfo(account.address, { silent })
+      if (info) {
+        setSequence(info.Sequence)
+      }
+
+      setIsLoading(false)
+    },
+    [account, setSequence]
+  )
+  const disabled = !account
+  return (
+    <Flex row align="center" fluid>
+      <Input
+        placeholder="Account sequence"
+        value={account?.sequence || ""}
+        disabled={!account}
+        type="number"
+        readOnly={true}
+      />
+      <Button
+        size="xs"
+        variant="primary"
+        type="button"
+        outline
+        disabled={disabled}
+        isDisabled={disabled}
+        isLoading={isLoading}
+        css={{
+          background: '$backgroundAlt',
+          position: 'absolute',
+          right: '$2',
+          fontSize: '$xs',
+          cursor: 'pointer',
+          alignContent: 'center',
+          display: 'flex'
+        }}
+        onClick={() => handleUpdateSequence()}
+      >
+        Update
+      </Button>
+    </Flex>
+  )
+}
+
+export default AccountSequence

components/SetHookDialog.tsx

@@ -21,6 +21,7 @@ import { prepareDeployHookTx, sha256 } from '../state/actions/deployHook'
 import estimateFee from '../utils/estimateFee'
 import { getParameters, getInvokeOptions, transactionOptions, SetHookData } from '../utils/setHook'
 import { capitalize } from '../utils/helpers'
+import AccountSequence from './Sequence'
 
 export const SetHookDialog: React.FC<{ accountAddress: string }> = React.memo(
   ({ accountAddress }) => {
@@ -190,6 +191,10 @@ export const SetHookDialog: React.FC<{ accountAddress: string }> = React.memo(
                     onChange={(acc: any) => setSelectedAccount(acc)}
                   />
                 </Box>
+                <Box css={{ width: '100%', position: 'relative' }}>
+                  <Label>Sequence</Label>
+                  <AccountSequence address={selectedAccount?.value} />
+                </Box>
                 <Box css={{ width: '100%' }}>
                   <Label>Invoke on transactions</Label>
                   <Controller

components/Tabs.tsx

@@ -11,7 +11,7 @@ import {
 } from './Dialog'
 import { Plus, X } from 'phosphor-react'
 import { styled } from '../stitches.config'
-import { capitalize } from '../utils/helpers'
+import { capitalize, getFileExtention } from '../utils/helpers'
 import ContextMenu, { ContentMenuOption } from './ContextMenu'
 
 const ErrorText = styled(Text, {
@@ -97,7 +97,7 @@ export const Tabs = ({
       if (!tabname) {
         return { error: `Please enter ${label.toLocaleLowerCase()} name.` }
       }
-      let ext = (tabname.includes('.') && tabname.split('.').pop()) || ''
+      let ext = getFileExtention(tabname)
 
       if (!ext && defaultExtension) {
         ext = defaultExtension
@@ -109,7 +109,7 @@ export const Tabs = ({
       if (extensionRequired && !ext) {
         return { error: 'File extension is required!' }
       }
-      if (allowedExtensions && !allowedExtensions.includes(ext)) {
+      if (allowedExtensions && ext && !allowedExtensions.includes(ext)) {
         return { error: 'This file extension is not allowed!' }
       }
       if (headerExtraValidation && !tabname.match(headerExtraValidation.regex)) {

components/Tooltip.tsx

@@ -72,7 +72,12 @@ const Tooltip: React.FC<React.ComponentProps<typeof StyledContent> & ITooltip> =
   ...rest
 }) => {
   return (
-    <TooltipPrimitive.Root open={open} defaultOpen={defaultOpen} onOpenChange={onOpenChange}>
+    <TooltipPrimitive.Root
+      open={open}
+      defaultOpen={defaultOpen}
+      onOpenChange={onOpenChange}
+      delayDuration={100}
+    >
       <TooltipPrimitive.Trigger asChild>{children}</TooltipPrimitive.Trigger>
       <StyledContent side="bottom" align="center" {...rest}>
         <div dangerouslySetInnerHTML={{ __html: content }} />

components/Transaction/index.tsx

@@ -19,6 +19,8 @@ import { TxJson } from './json'
 import { TxUI } from './ui'
 import { default as _estimateFee } from '../../utils/estimateFee'
 import toast from 'react-hot-toast'
+import { combineFlags, extractFlags, transactionFlags } from '../../state/constants/flags'
+import { SetHookData, toHex } from '../../utils/setHook'
 
 export interface TransactionProps {
   header: string
@@ -39,17 +41,40 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
 
   const prepareOptions = useCallback(
     (state: Partial<TransactionState> = txState) => {
-      const { selectedTransaction, selectedDestAccount, selectedAccount, txFields } = state
+      const {
+        selectedTransaction,
+        selectedAccount,
+        txFields,
+        selectedFlags,
+        hookParameters,
+        memos
+      } = state
 
       const TransactionType = selectedTransaction?.value || null
-      const Destination = selectedDestAccount?.value || txFields?.Destination
       const Account = selectedAccount?.value || null
+      const Flags = combineFlags(selectedFlags?.map(flag => flag.value)) || txFields?.Flags
+      const HookParameters = Object.entries(hookParameters || {}).reduce<
+        SetHookData['HookParameters']
+      >((acc, [_, { label, value }]) => {
+        return acc.concat({
+          HookParameter: { HookParameterName: toHex(label), HookParameterValue: value }
+        })
+      }, [])
+      const Memos = memos
+        ? Object.entries(memos).reduce<SetHookData['Memos']>((acc, [_, { format, data, type }]) => {
+            return acc?.concat({
+              Memo: { MemoData: data, MemoFormat: toHex(format), MemoType: toHex(type) }
+            })
+          }, [])
+        : undefined
 
       return prepareTransaction({
         ...txFields,
+        HookParameters,
+        Flags,
         TransactionType,
-        Destination,
+        Account,
-        Account
+        Memos
       })
     },
     [txState]
@@ -65,15 +90,29 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     }
   }, [selectedAccount?.value, selectedTransaction?.value, setState, txIsLoading])
 
+  const getJsonString = useCallback(
+    (state?: Partial<TransactionState>) =>
+      JSON.stringify(prepareOptions?.(state) || {}, null, editorSettings.tabSize),
+    [editorSettings.tabSize, prepareOptions]
+  )
+
+  const saveEditorState = useCallback(
+    (value: string = '', transactionType?: string) => {
+      const pTx = prepareState(value, transactionType)
+      if (pTx) {
+        pTx.editorValue = getJsonString(pTx)
+        return setState(pTx)
+      }
+    },
+    [getJsonString, setState]
+  )
+
   const submitTest = useCallback(async () => {
     let st: TransactionState | undefined
     const tt = txState.selectedTransaction?.value
     if (viewType === 'json') {
-      // save the editor state first
+      st = saveEditorState(editorValue, tt)
-      const pst = prepareState(editorValue || '', tt)
+      if (!st) return
-      if (!pst) return
-
-      st = setState(pst)
     }
 
     const account = accounts.find(acc => acc.address === selectedAccount?.value)
@@ -86,11 +125,12 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         throw Error('Account must be selected from imported accounts!')
       }
       const options = prepareOptions(st)
-
+      // delete unnecessary fields
-      const fields = getTxFields(options.TransactionType)
+      Object.keys(options).forEach(field => {
-      if (fields.Destination && !options.Destination) {
+        if (!options[field]) {
-        throw Error('Destination account is required!')
+          delete options[field]
-      }
+        }
+      })
 
       await sendTransaction(account, options, { logPrefix })
     } catch (error) {
@@ -104,23 +144,18 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     }
     setState({ txIsLoading: false })
   }, [
+    txState.selectedTransaction?.value,
     viewType,
     accounts,
     txIsDisabled,
     setState,
     header,
+    saveEditorState,
     editorValue,
-    txState,
     selectedAccount?.value,
     prepareOptions
   ])
 
-  const getJsonString = useCallback(
-    (state?: Partial<TransactionState>) =>
-      JSON.stringify(prepareOptions?.(state) || {}, null, editorSettings.tabSize),
-    [editorSettings.tabSize, prepareOptions]
-  )
-
   const resetState = useCallback(
     (transactionType: SelectOption | undefined = defaultTransactionType) => {
       const fields = getTxFields(transactionType?.value)
@@ -130,14 +165,12 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         selectedTransaction: transactionType
       }
 
-      if (fields.Destination !== undefined) {
+      if (transactionType?.value && transactionFlags[transactionType?.value] && fields.Flags) {
-        nwState.selectedDestAccount = null
+        nwState.selectedFlags = extractFlags(transactionType.value, fields.Flags)
-        fields.Destination = ''
+        fields.Flags = undefined
-      } else {
-        fields.Destination = undefined
       }
-      nwState.txFields = fields
 
+      nwState.txFields = fields
       const state = modifyTxState(header, nwState, { replaceState: true })
       const editorValue = getJsonString(state)
       return setState({ editorValue })
@@ -168,18 +201,34 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
     [accounts, prepareOptions, setState, txState]
   )
 
+  const switchToJson = useCallback(() => {
+    const editorValue = getJsonString()
+    setState({ viewType: 'json', editorValue })
+  }, [getJsonString, setState])
+
+  const switchToUI = useCallback(() => {
+    setState({ viewType: 'ui' })
+  }, [setState])
+
   return (
     <Box css={{ position: 'relative', height: 'calc(100% - 28px)' }} {...props}>
       {viewType === 'json' ? (
         <TxJson
           getJsonString={getJsonString}
+          saveEditorState={saveEditorState}
           header={header}
           state={txState}
           setState={setState}
           estimateFee={estimateFee}
         />
       ) : (
-        <TxUI state={txState} setState={setState} estimateFee={estimateFee} />
+        <TxUI
+          switchToJson={switchToJson}
+          state={txState}
+          resetState={resetState}
+          setState={setState}
+          estimateFee={estimateFee}
+        />
       )}
       <Flex
         row
@@ -195,8 +244,8 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         <Button
           onClick={() => {
             if (viewType === 'ui') {
-              setState({ viewType: 'json' })
+              switchToJson()
-            } else setState({ viewType: 'ui' })
+            } else switchToUI()
           }}
           outline
         >

components/Transaction/json.tsx

@@ -1,6 +1,6 @@
-import { FC, useCallback, useEffect, useMemo, useState } from 'react'
+import { FC, useCallback, useEffect, useState } from 'react'
 import { useSnapshot } from 'valtio'
-import state, { prepareState, transactionsData, TransactionState } from '../../state'
+import state, { transactionsData, TransactionState } from '../../state'
 import Text from '../Text'
 import { Flex, Link } from '..'
 import { showAlert } from '../../state/actions/showAlert'
@@ -11,27 +11,27 @@ import Monaco from '../Monaco'
 import type monaco from 'monaco-editor'
 
 interface JsonProps {
-  getJsonString?: (state?: Partial<TransactionState>) => string
+  getJsonString: (st?: Partial<TransactionState>) => string
+  saveEditorState: (val?: string, tt?: string) => TransactionState | undefined
   header?: string
   setState: (pTx?: Partial<TransactionState> | undefined) => void
   state: TransactionState
   estimateFee?: () => Promise<string | undefined>
 }
 
-export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, setState }) => {
+export const TxJson: FC<JsonProps> = ({
+  getJsonString,
+  state: txState,
+  header,
+  setState,
+  saveEditorState
+}) => {
   const { editorSettings, accounts } = useSnapshot(state)
-  const { editorValue, estimatedFee } = txState
+  const { editorValue, estimatedFee, editorIsSaved } = txState
   const [currTxType, setCurrTxType] = useState<string | undefined>(
     txState.selectedTransaction?.value
   )
 
-  useEffect(() => {
-    setState({
-      editorValue: getJsonString?.()
-    })
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [])
-
   useEffect(() => {
     const parsed = parseJSON(editorValue)
     if (!parsed) return
@@ -44,29 +44,19 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
     }
   }, [editorValue])
 
-  const saveState = (value: string, transactionType?: string) => {
-    const tx = prepareState(value, transactionType)
-    if (tx) {
-      setState(tx)
-      setState({
-        editorValue: getJsonString?.(tx)
-      })
-    }
-  }
-
   const discardChanges = () => {
     showAlert('Confirm', {
       body: 'Are you sure to discard these changes?',
       confirmText: 'Yes',
       onCancel: () => {},
-      onConfirm: () => setState({ editorValue: getJsonString?.() })
+      onConfirm: () => setState({ editorValue: getJsonString() })
     })
   }
 
   const onExit = (value: string) => {
     const options = parseJSON(value)
     if (options) {
-      saveState(value, currTxType)
+      saveEditorState(value, currTxType)
       return
     }
     showAlert('Error!', {
@@ -163,8 +153,6 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
     })
   }, [getSchemas, monacoInst])
 
-  const hasUnsaved = useMemo(() => editorValue !== getJsonString?.(), [editorValue, getJsonString])
-
   return (
     <Monaco
       rootProps={{
@@ -174,7 +162,7 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
       id={header}
       height="100%"
       value={editorValue}
-      onChange={val => setState({ editorValue: val })}
+      onChange={val => setState({ editorValue: val, editorIsSaved: false })}
       onMount={(editor, monaco) => {
         editor.updateOptions({
           minimap: { enabled: false },
@@ -190,12 +178,12 @@ export const TxJson: FC<JsonProps> = ({ getJsonString, state: txState, header, s
         model?.onWillDispose(() => onExit(model.getValue()))
       }}
       overlay={
-        hasUnsaved ? (
+        !editorIsSaved ? (
           <Flex row align="center" css={{ fontSize: '$xs', color: '$textMuted', ml: 'auto' }}>
             <Text muted small>
               This file has unsaved changes.
             </Text>
-            <Link css={{ ml: '$1' }} onClick={() => saveState(editorValue || '', currTxType)}>
+            <Link css={{ ml: '$1' }} onClick={() => saveEditorState(editorValue, currTxType)}>
               save
             </Link>
             <Link css={{ ml: '$1' }} onClick={discardChanges}>

components/Transaction/ui.tsx

@@ -1,62 +1,59 @@
-import { FC, useCallback, useEffect, useMemo, useState } from 'react'
+import { FC, ReactNode, useCallback, useEffect, useState } from 'react'
 import Container from '../Container'
 import Flex from '../Flex'
 import Input from '../Input'
-import Select from '../Select'
+import Select, { CreatableSelect } from '../Select'
 import Text from '../Text'
 import {
   SelectOption,
   TransactionState,
   transactionsOptions,
   TxFields,
-  getTxFields,
   defaultTransactionType
 } from '../../state/transactions'
 import { useSnapshot } from 'valtio'
 import state from '../../state'
 import { streamState } from '../DebugStream'
-import { Button } from '..'
+import { Box, Button } from '..'
 import Textarea from '../Textarea'
+import { getFlags } from '../../state/constants/flags'
+import { Plus, Trash } from 'phosphor-react'
+import AccountSequence from '../Sequence'
+import { capitalize, typeIs } from '../../utils/helpers'
 
 interface UIProps {
   setState: (pTx?: Partial<TransactionState> | undefined) => TransactionState | undefined
+  resetState: (tt?: SelectOption) => TransactionState | undefined
   state: TransactionState
   estimateFee?: (...arg: any) => Promise<string | undefined>
+  switchToJson: () => void
 }
 
-export const TxUI: FC<UIProps> = ({ state: txState, setState, estimateFee }) => {
+export const TxUI: FC<UIProps> = ({
+  state: txState,
+  setState,
+  resetState,
+  estimateFee,
+  switchToJson
+}) => {
   const { accounts } = useSnapshot(state)
-  const { selectedAccount, selectedDestAccount, selectedTransaction, txFields } = txState
+  const { selectedAccount, selectedTransaction, txFields, selectedFlags, hookParameters, memos } =
+    txState
 
   const accountOptions: SelectOption[] = accounts.map(acc => ({
     label: acc.name,
     value: acc.address
   }))
 
-  const destAccountOptions: SelectOption[] = accounts
+  const flagsOptions: SelectOption[] = Object.entries(
-    .map(acc => ({
+    getFlags(selectedTransaction?.value) || {}
-      label: acc.name,
+  ).map(([label, value]) => ({
-      value: acc.address
+    label,
-    }))
+    value
-    .filter(acc => acc.value !== selectedAccount?.value)
+  }))
 
   const [feeLoading, setFeeLoading] = useState(false)
 
-  const resetFields = useCallback(
-    (tt: string) => {
-      const fields = getTxFields(tt)
-
-      if (fields.Destination !== undefined) {
-        setState({ selectedDestAccount: null })
-        fields.Destination = ''
-      } else {
-        fields.Destination = undefined
-      }
-      return setState({ txFields: fields })
-    },
-    [setState]
-  )
-
   const handleSetAccount = (acc: SelectOption) => {
     setState({ selectedAccount: acc })
     streamState.selectedAccount = acc
@@ -76,6 +73,22 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, estimateFee }) =>
     [setState, txFields]
   )
 
+  const setRawField = useCallback(
+    (field: keyof TxFields, type: string, value: any) => {
+      // TODO $type should be a narrowed type
+      setState({
+        txFields: {
+          ...txFields,
+          [field]: {
+            $type: type,
+            $value: value
+          }
+        }
+      })
+    },
+    [setState, txFields]
+  )
+
   const handleEstimateFee = useCallback(
     async (state?: TransactionState, silent?: boolean) => {
       setFeeLoading(true)
@@ -92,15 +105,13 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, estimateFee }) =>
     (tt: SelectOption) => {
       setState({ selectedTransaction: tt })
 
-      const newState = resetFields(tt.value)
+      const newState = resetState(tt)
 
       handleEstimateFee(newState, true)
     },
-    [handleEstimateFee, resetFields, setState]
+    [handleEstimateFee, resetState, setState]
   )
 
-  const switchToJson = () => setState({ viewType: 'json' })
-
   // default tx
   useEffect(() => {
     if (selectedTransaction?.value) return
@@ -110,20 +121,23 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, estimateFee }) =>
     }
   }, [handleChangeTxType, selectedTransaction?.value])
 
-  const fields = useMemo(
+  const richFields = ['TransactionType', 'Account', 'HookParameters', 'Memos']
-    () => getTxFields(selectedTransaction?.value),
-    [selectedTransaction?.value]
-  )
 
-  const specialFields = ['TransactionType', 'Account']
+  if (flagsOptions.length) {
-  if (fields.Destination !== undefined) {
+    richFields.push('Flags')
-    specialFields.push('Destination')
   }
 
-  const otherFields = Object.keys(txFields).filter(k => !specialFields.includes(k)) as [
+  const otherFields = Object.keys(txFields).filter(k => !richFields.includes(k)) as [keyof TxFields]
-    keyof TxFields
+  const amountOptions = [
-  ]
+    { label: 'XRP', value: 'xrp' },
+    { label: 'Token', value: 'token' }
+  ] as const
 
+  const defaultTokenAmount = {
+    value: '0',
+    currency: '',
+    issuer: ''
+  }
   return (
     <Container
       css={{
@@ -133,184 +147,437 @@ export const TxUI: FC<UIProps> = ({ state: txState, setState, estimateFee }) =>
       }}
     >
       <Flex column fluid css={{ height: '100%', overflowY: 'auto', pr: '$1' }}>
-        <Flex
+        <TxField label="Transaction type">
-          row
-          fluid
-          css={{
-            justifyContent: 'flex-end',
-            alignItems: 'center',
-            mb: '$3',
-            mt: '1px',
-            pr: '1px'
-          }}
-        >
-          <Text muted css={{ mr: '$3' }}>
-            Transaction type:{' '}
-          </Text>
           <Select
             instanceId="transactionsType"
             placeholder="Select transaction type"
             options={transactionsOptions}
             hideSelectedOptions
-            css={{ width: '70%' }}
             value={selectedTransaction}
             onChange={(tt: any) => handleChangeTxType(tt)}
           />
-        </Flex>
+        </TxField>
-        <Flex
+        <TxField label="Account">
-          row
-          fluid
-          css={{
-            justifyContent: 'flex-end',
-            alignItems: 'center',
-            mb: '$3',
-            pr: '1px'
-          }}
-        >
-          <Text muted css={{ mr: '$3' }}>
-            Account:{' '}
-          </Text>
           <Select
             instanceId="from-account"
             placeholder="Select your account"
-            css={{ width: '70%' }}
             options={accountOptions}
             value={selectedAccount}
             onChange={(acc: any) => handleSetAccount(acc)} // TODO make react-select have correct types for acc
           />
-        </Flex>
+        </TxField>
-        {fields.Destination !== undefined && (
+        <TxField label="Sequence">
-          <Flex
+          <AccountSequence address={selectedAccount?.value} />
-            row
+        </TxField>
-            fluid
+        {richFields.includes('Flags') && (
-            css={{
+          <TxField label="Flags">
-              justifyContent: 'flex-end',
-              alignItems: 'center',
-              mb: '$3',
-              pr: '1px'
-            }}
-          >
-            <Text muted css={{ mr: '$3' }}>
-              Destination account:{' '}
-            </Text>
             <Select
-              instanceId="to-account"
-              placeholder="Select the destination account"
-              css={{ width: '70%' }}
-              options={destAccountOptions}
-              value={selectedDestAccount}
               isClearable
-              onChange={(acc: any) => setState({ selectedDestAccount: acc })}
+              instanceId="flags"
+              placeholder="Select flags to apply"
+              menuPosition="fixed"
+              value={selectedFlags}
+              isMulti
+              options={flagsOptions}
+              onChange={flags => setState({ selectedFlags: flags as any })}
+              closeMenuOnSelect={
+                selectedFlags ? selectedFlags.length >= flagsOptions.length - 1 : false
+              }
             />
-          </Flex>
+          </TxField>
         )}
         {otherFields.map(field => {
           let _value = txFields[field]
 
           let value: string | undefined
-          if (typeof _value === 'object') {
+          if (typeIs(_value, 'object')) {
-            if (_value.$type === 'json' && typeof _value.$value === 'object') {
+            if (_value.$type === 'json' && typeIs(_value.$value, ['object', 'array'])) {
               value = JSON.stringify(_value.$value, null, 2)
             } else {
-              value = _value.$value.toString()
+              value = _value.$value?.toString()
             }
           } else {
             value = _value?.toString()
           }
 
-          const isXrp = typeof _value === 'object' && _value.$type === 'xrp'
+          const isAccount = typeIs(_value, 'object') && _value.$type === 'account'
+          const isXrpAmount = typeIs(_value, 'object') && _value.$type === 'amount.xrp'
+          const isTokenAmount = typeIs(_value, 'object') && _value.$type === 'amount.token'
           const isJson = typeof _value === 'object' && _value.$type === 'json'
           const isFee = field === 'Fee'
           let rows = isJson ? (value?.match(/\n/gm)?.length || 0) + 1 : undefined
           if (rows && rows > 5) rows = 5
-          return (
+          let tokenAmount = defaultTokenAmount
-            <Flex column key={field} css={{ mb: '$2', pr: '1px' }}>
+          if (isTokenAmount && typeIs(_value, 'object') && typeIs(_value.$value, 'object')) {
-              <Flex
+            tokenAmount = {
-                row
+              value: _value.$value.value,
-                fluid
+              currency: _value.$value.currency,
-                css={{
+              issuer: _value.$value.issuer
-                  justifyContent: 'flex-end',
+            }
-                  alignItems: 'center',
+          }
-                  position: 'relative'
+
-                }}
+          if (isXrpAmount || isTokenAmount) {
-              >
+            return (
-                <Text muted css={{ mr: '$3' }}>
+              <TxField key={field} label={field}>
-                  {field + (isXrp ? ' (XRP)' : '')}:{' '}
+                <Flex fluid css={{ alignItems: 'center' }}>
-                </Text>
+                  {isTokenAmount ? (
-                {isJson ? (
+                    <Flex
-                  <Textarea
+                      fluid
-                    rows={rows}
+                      row
-                    value={value}
+                      align="center"
-                    spellCheck={false}
+                      justify="space-between"
-                    onChange={switchToJson}
+                      css={{ position: 'relative' }}
+                    >
+                      {/*  <Input
+                        type="text"
+                        placeholder="Issuer"
+                        value={tokenAmount.issuer}
+                        onChange={e =>
+                          setRawField(field, 'amount.token', {
+                            ...tokenAmount,
+                            issuer: e.target.value
+                          })
+                        }
+                      /> */}
+                      <Input
+                        type="text"
+                        value={tokenAmount.currency}
+                        placeholder="Currency"
+                        onChange={e => {
+                          setRawField(field, 'amount.token', {
+                            ...tokenAmount,
+                            currency: e.target.value
+                          })
+                        }}
+                      />
+                      <Input
+                        css={{ mx: '$1' }}
+                        type="number"
+                        value={tokenAmount.value}
+                        placeholder="Value"
+                        onChange={e => {
+                          setRawField(field, 'amount.token', {
+                            ...tokenAmount,
+                            value: e.target.value
+                          })
+                        }}
+                      />
+                      <Box css={{ width: '50%' }}>
+                        <CreatableAccount
+                          value={tokenAmount.issuer}
+                          field={'Issuer' as any}
+                          placeholder="Issuer"
+                          setField={(_, value = '') => {
+                            setRawField(field, 'amount.token', {
+                              ...tokenAmount,
+                              issuer: value
+                            })
+                          }}
+                        />
+                      </Box>
+                    </Flex>
+                  ) : (
+                    <Input
+                      css={{ flex: 'inherit' }}
+                      type="number"
+                      value={value}
+                      onChange={e => handleSetField(field, e.target.value)}
+                    />
+                  )}
+                  <Box
                     css={{
-                      width: '70%',
+                      ml: '$2',
-                      flex: 'inherit',
+                      width: '150px'
-                      resize: 'vertical'
                     }}
-                  />
-                ) : (
-                  <Input
-                    type={isFee ? 'number' : 'text'}
-                    value={value}
-                    onChange={e => {
-                      if (isFee) {
-                        const val = e.target.value.replaceAll('.', '').replaceAll(',', '')
-                        handleSetField(field, val)
-                      } else {
-                        handleSetField(field, e.target.value)
-                      }
-                    }}
-                    onKeyPress={
-                      isFee
-                        ? e => {
-                            if (e.key === '.' || e.key === ',') {
-                              e.preventDefault()
-                            }
-                          }
-                        : undefined
-                    }
-                    css={{
-                      width: '70%',
-                      flex: 'inherit',
-                      '-moz-appearance': 'textfield',
-                      '&::-webkit-outer-spin-button': {
-                        '-webkit-appearance': 'none',
-                        margin: 0
-                      },
-                      '&::-webkit-inner-spin-button ': {
-                        '-webkit-appearance': 'none',
-                        margin: 0
-                      }
-                    }}
-                  />
-                )}
-                {isFee && (
-                  <Button
-                    size="xs"
-                    variant="primary"
-                    outline
-                    disabled={txState.txIsDisabled}
-                    isDisabled={txState.txIsDisabled}
-                    isLoading={feeLoading}
-                    css={{
-                      position: 'absolute',
-                      right: '$2',
-                      fontSize: '$xs',
-                      cursor: 'pointer',
-                      alignContent: 'center',
-                      display: 'flex'
-                    }}
-                    onClick={() => handleEstimateFee()}
                   >
-                    Suggest
+                    <Select
-                  </Button>
+                      instanceId="currency-type"
-                )}
+                      options={amountOptions}
-              </Flex>
+                      value={isXrpAmount ? amountOptions['0'] : amountOptions['1']}
-            </Flex>
+                      onChange={(e: any) => {
+                        const opt = e as typeof amountOptions[number]
+                        if (opt.value === 'xrp') {
+                          setRawField(field, 'amount.xrp', '0')
+                        } else {
+                          setRawField(field, 'amount.token', defaultTokenAmount)
+                        }
+                      }}
+                    />
+                  </Box>
+                </Flex>
+              </TxField>
+            )
+          }
+          if (isAccount) {
+            return (
+              <TxField key={field} label={field}>
+                <CreatableAccount value={value} field={field} setField={handleSetField} />
+              </TxField>
+            )
+          }
+          return (
+            <TxField key={field} label={field}>
+              {isJson ? (
+                <Textarea
+                  rows={rows}
+                  value={value}
+                  spellCheck={false}
+                  onChange={switchToJson}
+                  css={{
+                    flex: 'inherit',
+                    resize: 'vertical'
+                  }}
+                />
+              ) : (
+                <Input
+                  type={isFee ? 'number' : 'text'}
+                  value={value}
+                  onChange={e => {
+                    if (isFee) {
+                      const val = e.target.value.replaceAll('.', '').replaceAll(',', '')
+                      handleSetField(field, val)
+                    } else {
+                      handleSetField(field, e.target.value)
+                    }
+                  }}
+                  onKeyPress={
+                    isFee
+                      ? e => {
+                          if (e.key === '.' || e.key === ',') {
+                            e.preventDefault()
+                          }
+                        }
+                      : undefined
+                  }
+                  css={{
+                    flex: 'inherit',
+                    '-moz-appearance': 'textfield',
+                    '&::-webkit-outer-spin-button': {
+                      '-webkit-appearance': 'none',
+                      margin: 0
+                    },
+                    '&::-webkit-inner-spin-button ': {
+                      '-webkit-appearance': 'none',
+                      margin: 0
+                    }
+                  }}
+                />
+              )}
+              {isFee && (
+                <Button
+                  size="xs"
+                  variant="primary"
+                  outline
+                  disabled={txState.txIsDisabled}
+                  isDisabled={txState.txIsDisabled}
+                  isLoading={feeLoading}
+                  css={{
+                    position: 'absolute',
+                    right: '$2',
+                    fontSize: '$xs',
+                    cursor: 'pointer',
+                    alignContent: 'center',
+                    display: 'flex'
+                  }}
+                  onClick={() => handleEstimateFee()}
+                >
+                  Suggest
+                </Button>
+              )}
+            </TxField>
           )
         })}
+        <TxField multiLine label="Hook parameters">
+          <Flex column fluid>
+            {Object.entries(hookParameters).map(([id, { label, value }]) => (
+              <Flex column key={id} css={{ mb: '$2' }}>
+                <Flex row>
+                  <Input
+                    placeholder="Parameter name"
+                    value={label}
+                    onChange={e => {
+                      setState({
+                        hookParameters: {
+                          ...hookParameters,
+                          [id]: { label: e.target.value, value }
+                        }
+                      })
+                    }}
+                  />
+                  <Input
+                    css={{ mx: '$2' }}
+                    placeholder="Value (hex-quoted)"
+                    value={value}
+                    onChange={e => {
+                      setState({
+                        hookParameters: {
+                          ...hookParameters,
+                          [id]: { label, value: e.target.value }
+                        }
+                      })
+                    }}
+                  />
+                  <Button
+                    onClick={() => {
+                      const { [id]: _, ...rest } = hookParameters
+                      setState({ hookParameters: rest })
+                    }}
+                    variant="destroy"
+                  >
+                    <Trash weight="regular" size="16px" />
+                  </Button>
+                </Flex>
+              </Flex>
+            ))}
+            <Button
+              outline
+              fullWidth
+              type="button"
+              onClick={() => {
+                const id = Object.keys(hookParameters).length
+                setState({
+                  hookParameters: { ...hookParameters, [id]: { label: '', value: '' } }
+                })
+              }}
+            >
+              <Plus size="16px" />
+              Add Hook Parameter
+            </Button>
+          </Flex>
+        </TxField>
+        <TxField multiLine label="Memos">
+          <Flex column fluid>
+            {Object.entries(memos).map(([id, memo]) => (
+              <Flex column key={id} css={{ mb: '$2' }}>
+                <Flex
+                  row
+                  css={{
+                    flexWrap: 'wrap',
+                    width: '100%'
+                  }}
+                >
+                  <Input
+                    placeholder="Memo type"
+                    value={memo.type}
+                    onChange={e => {
+                      setState({
+                        memos: {
+                          ...memos,
+                          [id]: { ...memo, type: e.target.value }
+                        }
+                      })
+                    }}
+                  />
+                  <Input
+                    placeholder="Data (hex-quoted)"
+                    css={{ mx: '$2' }}
+                    value={memo.data}
+                    onChange={e => {
+                      setState({
+                        memos: {
+                          ...memos,
+                          [id]: { ...memo, data: e.target.value }
+                        }
+                      })
+                    }}
+                  />
+                  <Input
+                    placeholder="Format"
+                    value={memo.format}
+                    onChange={e => {
+                      setState({
+                        memos: {
+                          ...memos,
+                          [id]: { ...memo, format: e.target.value }
+                        }
+                      })
+                    }}
+                  />
+                  <Button
+                    css={{ ml: '$2' }}
+                    onClick={() => {
+                      const { [id]: _, ...rest } = memos
+                      setState({ memos: rest })
+                    }}
+                    variant="destroy"
+                  >
+                    <Trash weight="regular" size="16px" />
+                  </Button>
+                </Flex>
+              </Flex>
+            ))}
+            <Button
+              outline
+              fullWidth
+              type="button"
+              onClick={() => {
+                const id = Object.keys(memos).length
+                setState({
+                  memos: { ...memos, [id]: { data: '', format: '', type: '' } }
+                })
+              }}
+            >
+              <Plus size="16px" />
+              Add Memo
+            </Button>
+          </Flex>
+        </TxField>
       </Flex>
     </Container>
   )
 }
+
+export const CreatableAccount: FC<{
+  value: string | undefined
+  field: keyof TxFields
+  placeholder?: string
+  setField: (field: keyof TxFields, value: string, opFields?: TxFields) => void
+}> = ({ value, field, setField, placeholder }) => {
+  const { accounts } = useSnapshot(state)
+  const accountOptions: SelectOption[] = accounts.map(acc => ({
+    label: acc.name,
+    value: acc.address
+  }))
+  const label = accountOptions.find(a => a.value === value)?.label || value
+  const val = {
+    value,
+    label
+  }
+  placeholder = placeholder || `${capitalize(field)} account`
+  return (
+    <CreatableSelect
+      isClearable
+      instanceId={field}
+      placeholder={placeholder}
+      options={accountOptions}
+      value={value ? val : undefined}
+      onChange={(acc: any) => setField(field, acc?.value)}
+    />
+  )
+}
+
+export const TxField: FC<{ label: string; children: ReactNode; multiLine?: boolean }> = ({
+  label,
+  children,
+  multiLine = false
+}) => {
+  return (
+    <Flex
+      row
+      fluid
+      css={{
+        justifyContent: 'flex-end',
+        alignItems: multiLine ? 'flex-start' : 'center',
+        position: 'relative',
+        mb: '$2',
+        mt: '1px',
+        pr: '1px'
+      }}
+    >
+      <Text muted css={{ mr: '$3', mt: multiLine ? '$2' : 0 }}>
+        {label}:{' '}
+      </Text>
+      <Flex css={{ width: '70%', alignItems: 'center' }}>{children}</Flex>
+    </Flex>
+  )
+}

content/hook-set-codes.json

@@ -0,0 +1,409 @@
+[
+  {
+    "code": 1,
+    "identifier": "AMENDMENT_DISABLED",
+    "description": "attempt to HookSet when amendment is not yet enabled."
+  },
+  {
+    "code": 2,
+    "identifier": "API_ILLEGAL",
+    "description": "HookSet object contained HookApiVersion for existing HookDefinition"
+  },
+  {
+    "code": 3,
+    "identifier": "API_INVALID",
+    "description": "HookSet object contained HookApiVersion for unrecognised hook API "
+  },
+  {
+    "code": 4,
+    "identifier": "API_MISSING",
+    "description": "HookSet object lacked HookApiVersion"
+  },
+  {
+    "code": 5,
+    "identifier": "BLOCK_ILLEGAL",
+    "description": " a block end instruction moves execution below depth 0 {{}}`}` <= like this"
+  },
+  {
+    "code": 6,
+    "identifier": "CALL_ILLEGAL",
+    "description": "wasm tries to call a non-whitelisted function"
+  },
+  {
+    "code": 7,
+    "identifier": "CALL_INDIRECT",
+    "description": "wasm used call indirect instruction which is disallowed"
+  },
+  {
+    "code": 8,
+    "identifier": "CREATE_FLAG",
+    "description": "create operation requires hsoOVERRIDE"
+  },
+  {
+    "code": 9,
+    "identifier": "DELETE_FIELD",
+    "description": ""
+  },
+  {
+    "code": 10,
+    "identifier": "DELETE_FLAG",
+    "description": "delete operation requires hsoOVERRIDE"
+  },
+  {
+    "code": 11,
+    "identifier": "DELETE_NOTHING",
+    "description": "delete operation would delete nothing"
+  },
+  {
+    "code": 12,
+    "identifier": "EXPORTS_MISSING",
+    "description": "hook did not export *any* functions (should be cbak, hook)"
+  },
+  {
+    "code": 13,
+    "identifier": "EXPORT_CBAK_FUNC",
+    "description": "hook did not export correct func def int64_t cbak(uint32_t)"
+  },
+  {
+    "code": 14,
+    "identifier": "EXPORT_HOOK_FUNC",
+    "description": "hook did not export correct func def int64_t hook(uint32_t)"
+  },
+  {
+    "code": 15,
+    "identifier": "EXPORT_MISSING",
+    "description": "distinct from export*S*_missing, either hook or cbak is missing"
+  },
+  {
+    "identifier": "FLAGS_INVALID",
+    "code": 16,
+    "description": "HookSet flags were invalid for specified operation                          "
+  },
+  {
+    "identifier": "FUNCS_MISSING",
+    "code": 17,
+    "description": "hook did not include function code for any functions                        "
+  },
+  {
+    "identifier": "FUNC_PARAM_INVALID",
+    "code": 18,
+    "description": "parameter types may only be i32 i64 u32 u64                                 "
+  },
+  {
+    "identifier": "FUNC_RETURN_COUNT",
+    "code": 19,
+    "description": "a function type is defined in the wasm which returns > 1 return value       "
+  },
+  {
+    "identifier": "FUNC_RETURN_INVALID",
+    "code": 20,
+    "description": "a function type does not return i32 i64 u32 or u64                          "
+  },
+  {
+    "identifier": "FUNC_TYPELESS",
+    "code": 21,
+    "description": "hook defined hook/cbak but their type is not defined in wasm                "
+  },
+  {
+    "identifier": "FUNC_TYPE_INVALID",
+    "code": 22,
+    "description": "malformed and illegal wasm in the func type section                         "
+  },
+  {
+    "identifier": "GRANTS_EMPTY",
+    "code": 23,
+    "description": "HookSet object contained an empty grants array (you should remove it)       "
+  },
+  {
+    "identifier": "GRANTS_EXCESS",
+    "code": 24,
+    "description": "HookSet object cotnained a grants array with too many grants                "
+  },
+  {
+    "identifier": "GRANTS_FIELD",
+    "code": 25,
+    "description": "HookSet object contained a grant without Authorize or HookHash              "
+  },
+  {
+    "identifier": "GRANTS_ILLEGAL",
+    "code": 26,
+    "description": "Hookset object contained grants array which contained a non Grant object    "
+  },
+  {
+    "identifier": "GUARD_IMPORT",
+    "code": 27,
+    "description": "guard import is missing                                                     "
+  },
+  {
+    "identifier": "GUARD_MISSING",
+    "code": 28,
+    "description": "guard call missing at top of loop                                           "
+  },
+  {
+    "identifier": "GUARD_PARAMETERS",
+    "code": 29,
+    "description": "guard called but did not use constant expressions for params                "
+  },
+  {
+    "identifier": "HASH_OR_CODE",
+    "code": 30,
+    "description": "HookSet object can contain only one of CreateCode and HookHash              "
+  },
+  {
+    "identifier": "HOOKON_MISSING",
+    "code": 31,
+    "description": "HookSet object did not contain HookOn but should have                       "
+  },
+  {
+    "identifier": "HOOKS_ARRAY_BAD",
+    "code": 32,
+    "description": "attempt to HookSet with a Hooks array containing a non-Hook obj             "
+  },
+  {
+    "identifier": "HOOKS_ARRAY_BLANK",
+    "code": 33,
+    "description": "all hook set objs were blank                                                "
+  },
+  {
+    "identifier": "HOOKS_ARRAY_EMPTY",
+    "code": 34,
+    "description": "attempt to HookSet with an empty Hooks array                                "
+  },
+  {
+    "identifier": "HOOKS_ARRAY_MISSING",
+    "code": 35,
+    "description": "attempt to HookSet without a Hooks array                                    "
+  },
+  {
+    "identifier": "HOOKS_ARRAY_TOO_BIG",
+    "code": 36,
+    "description": "attempt to HookSet with a Hooks array beyond the chain size limit           "
+  },
+  {
+    "identifier": "HOOK_ADD",
+    "code": 37,
+    "description": "Informational: adding ltHook to directory                                   "
+  },
+  {
+    "identifier": "HOOK_DEF_MISSING",
+    "code": 38,
+    "description": "attempt to reference a hook definition (by hash) that is not on ledger      "
+  },
+  {
+    "identifier": "HOOK_DELETE",
+    "code": 39,
+    "description": "unable to delete ltHook from owner                                          "
+  },
+  {
+    "identifier": "HOOK_INVALID_FIELD",
+    "code": 40,
+    "description": "HookSetObj contained an illegal/unexpected field                            "
+  },
+  {
+    "identifier": "HOOK_PARAMS_COUNT",
+    "code": 41,
+    "description": "hookset obj would create too many hook parameters                           "
+  },
+  {
+    "identifier": "HOOK_PARAM_SIZE",
+    "code": 42,
+    "description": "hookset obj sets a parameter or value that exceeds max allowable size       "
+  },
+  {
+    "identifier": "IMPORTS_MISSING",
+    "code": 43,
+    "description": "hook must import guard, and accept/rollback                                 "
+  },
+  {
+    "identifier": "IMPORT_ILLEGAL",
+    "code": 44,
+    "description": "attempted import of a non-whitelisted function                              "
+  },
+  {
+    "identifier": "IMPORT_MODULE_BAD",
+    "code": 45,
+    "description": "hook attempted to specify no or a bad import module                         "
+  },
+  {
+    "identifier": "IMPORT_MODULE_ENV",
+    "code": 46,
+    "description": "hook attempted to specify import module not named env                       "
+  },
+  {
+    "identifier": "IMPORT_NAME_BAD",
+    "code": 47,
+    "description": "import name was too short or too long                                       "
+  },
+  {
+    "identifier": "INSTALL_FLAG",
+    "code": 48,
+    "description": "install operation requires hsoOVERRIDE                                      "
+  },
+  {
+    "identifier": "INSTALL_MISSING",
+    "code": 49,
+    "description": "install operation specifies hookhash which doesn't exist on the ledger      "
+  },
+  {
+    "identifier": "INSTRUCTION_COUNT",
+    "code": 50,
+    "description": "worst case execution instruction count as computed by HookSet               "
+  },
+  {
+    "identifier": "INSTRUCTION_EXCESS",
+    "code": 51,
+    "description": "worst case execution instruction count was too large                        "
+  },
+  {
+    "identifier": "MEMORY_GROW",
+    "code": 52,
+    "description": "memory.grow instruction is present but disallowed                           "
+  },
+  {
+    "identifier": "NAMESPACE_MISSING",
+    "code": 53,
+    "description": "HookSet object lacked HookNamespace                                         "
+  },
+  {
+    "identifier": "NSDELETE",
+    "code": 54,
+    "description": "Informational: a namespace is being deleted                                 "
+  },
+  {
+    "identifier": "NSDELETE_ACCOUNT",
+    "code": 55,
+    "description": "nsdelete tried to delete ns from a non-existing account                     "
+  },
+  {
+    "identifier": "NSDELETE_COUNT",
+    "code": 56,
+    "description": "namespace state count less than 0 / overflow                                "
+  },
+  {
+    "identifier": "NSDELETE_DIR",
+    "code": 57,
+    "description": "could not delete directory node in ledger                                   "
+  },
+  {
+    "identifier": "NSDELETE_DIRECTORY",
+    "code": 58,
+    "description": "nsdelete operation failed to delete ns directory                            "
+  },
+  {
+    "identifier": "NSDELETE_DIR_ENTRY",
+    "code": 59,
+    "description": "nsdelete operation failed due to bad entry in ns directory                  "
+  },
+  {
+    "identifier": "NSDELETE_ENTRY",
+    "code": 60,
+    "description": "nsdelete operation failed due to missing hook state entry                   "
+  },
+  {
+    "identifier": "NSDELETE_FIELD",
+    "code": 61
+  },
+  {
+    "identifier": "NSDELETE_FLAGS",
+    "code": 62
+  },
+  {
+    "identifier": "NSDELETE_NONSTATE",
+    "code": 63,
+    "description": "nsdelete operation failed due to the presence of a non-hookstate obj        "
+  },
+  {
+    "identifier": "NSDELETE_NOTHING",
+    "code": 64,
+    "description": "hsfNSDELETE provided but nothing to delete                                  "
+  },
+  {
+    "identifier": "OPERATION_INVALID",
+    "code": 65,
+    "description": "could not deduce an operation from the provided hookset obj                 "
+  },
+  {
+    "identifier": "OVERRIDE_MISSING",
+    "code": 66,
+    "description": "HookSet object was trying to update or delete a hook but lacked hsfOVERRIDE "
+  },
+  {
+    "identifier": "PARAMETERS_FIELD",
+    "code": 67,
+    "description": "HookParameters contained a HookParameter with an invalid key in it          "
+  },
+  {
+    "identifier": "PARAMETERS_ILLEGAL",
+    "code": 68,
+    "description": "HookParameters contained something other than a HookParameter               "
+  },
+  {
+    "identifier": "PARAMETERS_NAME",
+    "code": 69,
+    "description": "HookParameters contained a HookParameter which lacked ParameterName field   "
+  },
+  {
+    "identifier": "PARAM_HOOK_CBAK",
+    "code": 70,
+    "description": "hook and cbak must take exactly one u32 parameter                           "
+  },
+  {
+    "identifier": "RETURN_HOOK_CBAK",
+    "code": 71,
+    "description": "hook and cbak must retunr i64                                               "
+  },
+  {
+    "identifier": "SHORT_HOOK",
+    "code": 72,
+    "description": "web assembly byte code ended abruptly                                       "
+  },
+  {
+    "identifier": "TYPE_INVALID",
+    "code": 73,
+    "description": "malformed and illegal wasm specifying an illegal local var type             "
+  },
+  {
+    "identifier": "WASM_BAD_MAGIC",
+    "code": 74,
+    "description": "wasm magic number missing or not wasm                                       "
+  },
+  {
+    "identifier": "WASM_INVALID",
+    "code": 75,
+    "description": "set hook operation would set invalid wasm                                   "
+  },
+  {
+    "identifier": "WASM_PARSE_LOOP",
+    "code": 76,
+    "description": "wasm section parsing resulted in an infinite loop                           "
+  },
+  {
+    "identifier": "WASM_SMOKE_TEST",
+    "code": 77,
+    "description": "Informational: first attempt to load wasm into wasm runtime                 "
+  },
+  {
+    "identifier": "WASM_TEST_FAILURE",
+    "code": 78,
+    "description": "the smoke test failed                                                       "
+  },
+  {
+    "identifier": "WASM_TOO_BIG",
+    "code": 79,
+    "description": "set hook would exceed maximum hook size                                     "
+  },
+  {
+    "identifier": "WASM_TOO_SMALL",
+    "code": 80
+  },
+  {
+    "identifier": "WASM_VALIDATION",
+    "code": 81,
+    "description": "a generic error while parsing wasm, usually leb128 overflow"
+  },
+  {
+    "identifier": "HOOK_CBAK_DIFF_TYPES",
+    "code": 82,
+    "description": "hook and cbak function definitions were different"
+  }
+]

content/transactions.json

@@ -2,11 +2,14 @@
   {
     "TransactionType": "AccountDelete",
     "Account": "rWYkbWkCeg8dP6rXALnjgZSjjLyih5NXm",
-    "Destination": "rPT1Sjq2YGrBMTttX4GZHjKu9dyfzbpAYe",
+    "Destination": {
+      "$type": "account",
+      "$value": ""
+    },
     "DestinationTag": 13,
     "Fee": "2000000",
     "Sequence": 2470665,
-    "Flags": 2147483648
+    "Flags": "2147483648"
   },
   {
     "TransactionType": "AccountSet",
@@ -28,7 +31,11 @@
     "TransactionType": "CheckCash",
     "Amount": {
       "$value": "100",
-      "$type": "xrp"
+      "$type": "amount.xrp"
+    },
+    "DeliverMin": {
+      "$value": "",
+      "$type": "amount.xrp"
     },
     "CheckID": "838766BA2B995C00744175F69A1B11E32C3DBC40E64801A4056FCBD657F57334",
     "Fee": "12"
@@ -36,7 +43,10 @@
   {
     "TransactionType": "CheckCreate",
     "Account": "rUn84CUYbNjRoTQ6mSW7BVJPSVJNLb1QLo",
-    "Destination": "rfkE1aSy9G8Upk4JssnwBxhEv5p4mn2KTy",
+    "Destination": {
+      "$type": "account",
+      "$value": ""
+    },
     "SendMax": "100000000",
     "Expiration": 570113521,
     "InvoiceID": "6F1DFD1D0FE8A32E40E1F2C05CF1C15545BAB56B617F9C6C2D63A6B704BEF59B",
@@ -48,13 +58,16 @@
     "Account": "rsUiUMpnrgxQp24dJYZDhmV4bE3aBtQyt8",
     "Authorize": "rEhxGqkqPPSxQ3P25J66ft5TwpzV14k2de",
     "Fee": "10",
-    "Flags": 2147483648,
+    "Flags": "2147483648",
     "Sequence": 2
   },
   {
     "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
     "TransactionType": "EscrowCancel",
-    "Owner": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+    "Owner": {
+      "$type": "account",
+      "$value": ""
+    },
     "OfferSequence": 7,
     "Fee": "10"
   },
@@ -63,9 +76,12 @@
     "TransactionType": "EscrowCreate",
     "Amount": {
       "$value": "100",
-      "$type": "xrp"
+      "$type": "amount.xrp"
+    },
+    "Destination": {
+      "$type": "account",
+      "$value": ""
     },
-    "Destination": "rsA2LpzuawewSBQXkiju3YQTMzW13pAAdW",
     "CancelAfter": 533257958,
     "FinishAfter": 533171558,
     "Condition": "A0258020E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855810100",
@@ -76,7 +92,10 @@
   {
     "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
     "TransactionType": "EscrowFinish",
-    "Owner": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+    "Owner": {
+      "$type": "account",
+      "$value": ""
+    },
     "OfferSequence": 7,
     "Condition": "A0258020E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855810100",
     "Fulfillment": "A0028000",
@@ -109,7 +128,9 @@
     "Fee": "10",
     "NFTokenOffers": {
       "$type": "json",
-      "$value": ["4AAAEEA76E3C8148473CB3840CE637676E561FB02BD4CA22CA59729EA815B862"]
+      "$value": [
+        "4AAAEEA76E3C8148473CB3840CE637676E561FB02BD4CA22CA59729EA815B862"
+      ]
     }
   },
   {
@@ -118,17 +139,24 @@
     "NFTokenID": "000100001E962F495F07A990F4ED55ACCFEEF365DBAA76B6A048C0A200000007",
     "Amount": {
       "$value": "100",
-      "$type": "xrp"
+      "$type": "amount.xrp"
+    },
+    "Flags": "1",
+    "Destination": {
+      "$type": "account",
+      "$value": ""
+    },
+    "Owner": {
+      "$type": "account",
+      "$value": ""
     },
-    "Flags": 1,
-    "Destination": "",
     "Fee": "10"
   },
   {
     "TransactionType": "OfferCancel",
     "Account": "ra5nK24KXen9AHvsdFTKHSANinZseWnPcX",
     "Fee": "12",
-    "Flags": 0,
+    "Flags": "0",
     "LastLedgerSequence": 7108629,
     "OfferSequence": 6,
     "Sequence": 7
@@ -137,25 +165,35 @@
     "TransactionType": "OfferCreate",
     "Account": "ra5nK24KXen9AHvsdFTKHSANinZseWnPcX",
     "Fee": "12",
-    "Flags": 0,
+    "Flags": "0",
     "LastLedgerSequence": 7108682,
     "Sequence": 8,
-    "TakerGets": "6000000",
+    "TakerGets": {
-    "Amount": {
+      "$type": "amount.xrp",
-      "$value": "100",
+      "$value": "6000000"
-      "$type": "xrp"
+    },
+    "TakerPays": {
+      "$type": "amount.token",
+      "$value": {
+        "currency": "GKO",
+        "issuer": "ruazs5h1qEsqpke88pcqnaseXdm6od2xc",
+        "value": "2"
+      }
     }
   },
   {
     "TransactionType": "Payment",
     "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
-    "Destination": "ra5nK24KXen9AHvsdFTKHSANinZseWnPcX",
+    "Destination": {
+      "$type": "account",
+      "$value": ""
+    },
     "Amount": {
       "$value": "100",
-      "$type": "xrp"
+      "$type": "amount.xrp"
     },
     "Fee": "12",
-    "Flags": 2147483648,
+    "Flags": "2147483648",
     "Sequence": 2
   },
   {
@@ -163,9 +201,12 @@
     "TransactionType": "PaymentChannelCreate",
     "Amount": {
       "$value": "100",
-      "$type": "xrp"
+      "$type": "amount.xrp"
+    },
+    "Destination": {
+      "$type": "account",
+      "$value": ""
     },
-    "Destination": "rsA2LpzuawewSBQXkiju3YQTMzW13pAAdW",
     "SettleDelay": 86400,
     "PublicKey": "32D2471DB72B27E3310F355BB33E339BF26F8392D5A93D3BC0FC3B566612DA0F0A",
     "CancelAfter": 533171558,
@@ -179,20 +220,20 @@
     "Channel": "C1AE6DDDEEC05CF2978C0BAD6FE302948E9533691DC749DCDD3B9E5992CA6198",
     "Amount": {
       "$value": "200",
-      "$type": "xrp"
+      "$type": "amount.xrp"
     },
     "Expiration": 543171558,
     "Fee": "10"
   },
   {
-    "Flags": 0,
+    "Flags": "0",
     "TransactionType": "SetRegularKey",
     "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
     "Fee": "12",
     "RegularKey": "rAR8rR8sUkBoCZFawhkWzY4Y5YoyuznwD"
   },
   {
-    "Flags": 0,
+    "Flags": "0",
     "TransactionType": "SignerListSet",
     "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
     "Fee": "12",
@@ -232,10 +273,10 @@
     "TransactionType": "TrustSet",
     "Account": "ra5nK24KXen9AHvsdFTKHSANinZseWnPcX",
     "Fee": "12",
-    "Flags": 262144,
+    "Flags": "262144",
     "LastLedgerSequence": 8007750,
     "LimitAmount": {
-      "$type": "json",
+      "$type": "amount.token",
       "$value": {
         "currency": "USD",
         "issuer": "rsP3mgGb2tcYUrxiLFiHJiQXhsziegtwBc",
@@ -243,5 +284,18 @@
       }
     },
     "Sequence": 12
+  },
+  {
+    "TransactionType": "Invoke",
+    "Destination": {
+      "$type": "account",
+      "$value": ""
+    },
+    "Fee": "12"
+  },
+  {
+    "TransactionType": "UriToken",
+    "Fee": "12",
+    "URI": "697066733A2F2F516D614374444B5A4656767666756676626479346573745A626851483744586831364354707631686F776D424779"
   }
-]
+]

next.config.js

@@ -12,7 +12,7 @@ module.exports = {
       config.resolve.fallback.fs = false
     }
     config.module.rules.push({
-      test: /\.md$/,
+      test: [/\.md$/, /hook-bundle\.js$/],
       use: 'raw-loader'
     })
     return config

package.json

@@ -8,7 +8,8 @@
     "start": "next start",
     "lint": "next lint",
     "format": "prettier --write .",
-    "postinstall": "patch-package"
+    "postinstall": "patch-package && yarn run postinstall-postinstall",
+    "postinstall-postinstall": "./node_modules/.bin/browserify -r ripple-binary-codec -r ripple-keypairs -r ripple-address-codec -r ripple-secret-codec -r ./node_modules/xrpl-accountlib/dist/index.js:xrpl-accountlib -o node_modules/xrpl-accountlib/dist/browser.hook-bundle.js"
   },
   "dependencies": {
     "@codingame/monaco-jsonrpc": "^0.3.1",
@@ -64,9 +65,9 @@
     "valtio": "^1.2.5",
     "vscode-languageserver": "^7.0.0",
     "vscode-uri": "^3.0.2",
-    "wabt": "1.0.16",
+    "wabt": "^1.0.30",
-    "xrpl-accountlib": "^1.5.2",
+    "xrpl-accountlib": "^1.6.1",
-    "xrpl-client": "^1.9.4"
+    "xrpl-client": "^2.0.2"
   },
   "devDependencies": {
     "@types/dinero.js": "^1.9.0",
@@ -75,6 +76,7 @@
     "@types/lodash.xor": "^4.5.6",
     "@types/pako": "^1.0.2",
     "@types/react": "17.0.31",
+    "browserify": "^17.0.0",
     "eslint": "7.32.0",
     "eslint-config-next": "11.1.2",
     "raw-loader": "^4.0.2",

pages/develop/[[...slug]].tsx

@@ -10,10 +10,11 @@ import Box from '../../components/Box'
 import Button from '../../components/Button'
 import Popover from '../../components/Popover'
 import RunScript from '../../components/RunScript'
-import state from '../../state'
+import state, { IFile } from '../../state'
 import { compileCode } from '../../state/actions'
 import { getSplit, saveSplit } from '../../state/actions/persistSplits'
 import { styled } from '../../stitches.config'
+import { getFileExtention } from '../../utils/helpers'
 
 const HooksEditor = dynamic(() => import('../../components/HooksEditor'), {
   ssr: false
@@ -147,6 +148,9 @@ const CompilerSettings = () => {
 const Home: NextPage = () => {
   const snap = useSnapshot(state)
 
+  const activeFile = snap.files[snap.active] as IFile | undefined
+  const activeFileExt = getFileExtention(activeFile?.name)
+  const canCompile = activeFileExt === 'c' || activeFileExt === 'wat'
   return (
     <Split
       direction="vertical"
@@ -159,7 +163,7 @@ const Home: NextPage = () => {
     >
       <main style={{ display: 'flex', flex: 1, position: 'relative' }}>
         <HooksEditor />
-        {snap.files[snap.active]?.name?.split('.')?.[1]?.toLowerCase() === 'c' && (
+        {canCompile && (
           <Hotkeys
             keyName="command+b,ctrl+b"
             onKeyDown={() => !snap.compiling && snap.files.length && compileCode(snap.active)}
@@ -193,7 +197,7 @@ const Home: NextPage = () => {
             </Flex>
           </Hotkeys>
         )}
-        {snap.files[snap.active]?.name?.split('.')?.[1]?.toLowerCase() === 'js' && (
+        {activeFileExt === 'js' && (
           <Hotkeys
             keyName="command+b,ctrl+b"
             onKeyDown={() => !snap.compiling && snap.files.length && compileCode(snap.active)}
@@ -209,7 +213,7 @@ const Home: NextPage = () => {
                 gap: '$2'
               }}
             >
-              <RunScript file={snap.files[snap.active]} />
+              <RunScript file={activeFile as IFile} />
             </Flex>
           </Hotkeys>
         )}
@@ -225,7 +229,7 @@ const Home: NextPage = () => {
         >
           <LogBox title="Development Log" clearLog={() => (state.logs = [])} logs={snap.logs} />
         </Flex>
-        {snap.files[snap.active]?.name?.split('.')?.[1]?.toLowerCase() === 'js' && (
+        {activeFileExt === 'js' && (
           <Flex
             css={{
               flex: 1

raw-loader.d.ts

@@ -2,3 +2,8 @@ declare module '*.md' {
   const content: string
   export default content
 }
+
+declare module '*.hook-bundle.js' {
+  const content: string
+  export default content
+}

state/actions/addFaucetAccount.ts

@@ -1,5 +1,6 @@
 import toast from 'react-hot-toast'
 import state, { FaucetAccountRes } from '../index'
+import fetchAccountInfo from '../../utils/accountInfo';
 
 export const names = [
   'Alice',
@@ -35,40 +36,37 @@ export const addFaucetAccount = async (name?: string, showToast: boolean = false
   })
   const json: FaucetAccountRes | { error: string } = await res.json()
   if ('error' in json) {
-    if (showToast) {
+    if (!showToast) return;
-      return toast.error(json.error, { id: toastId })
+    return toast.error(json.error, { id: toastId })
-    } else {
+  }
-      return
+  const currNames = state.accounts.map(acc => acc.name)
-    }
+  const info = await fetchAccountInfo(json.address, { silent: true })
-  } else {
+  state.accounts.push({
-    if (showToast) {
+    name: name || names.filter(name => !currNames.includes(name))[0],
-      toast.success('New account created', { id: toastId })
+    xrp: (json.xrp || 0 * 1000000).toString(),
-    }
+    address: json.address,
-    const currNames = state.accounts.map(acc => acc.name)
+    secret: json.secret,
-    state.accounts.push({
+    sequence: info?.Sequence || 1,
-      name: name || names.filter(name => !currNames.includes(name))[0],
+    hooks: [],
-      xrp: (json.xrp || 0 * 1000000).toString(),
+    isLoading: false,
-      address: json.address,
+    version: '2'
-      secret: json.secret,
+  })
-      sequence: 1,
+  if (showToast) {
-      hooks: [],
+    toast.success('New account created', { id: toastId })
-      isLoading: false,
-      version: '2'
-    })
   }
 }
 
-// fetch initial faucets
+  // fetch initial faucets
-;(async function fetchFaucets() {
+  ; (async function fetchFaucets() {
-  if (typeof window !== 'undefined') {
+    if (typeof window !== 'undefined') {
-    if (state.accounts.length === 0) {
+      if (state.accounts.length === 0) {
-      await addFaucetAccount()
+        await addFaucetAccount()
-      // setTimeout(() => {
+        // setTimeout(() => {
-      //   addFaucetAccount();
+        //   addFaucetAccount();
-      // }, 10000);
+        // }, 10000);
+      }
     }
-  }
+  })()
-})()
 
 export const addFunds = async (address: string) => {
   const toastId = toast.loading('Requesting funds')

state/actions/compileCode.ts

@@ -15,6 +15,11 @@ import { ref } from 'valtio'
 export const compileCode = async (activeId: number) => {
   // Save the file to global state
   saveFile(false, activeId)
+  const file = state.files[activeId]
+  if (file.name.endsWith('.wat')) {
+    return compileWat(activeId)
+  }
+
   if (!process.env.NEXT_PUBLIC_COMPILE_API_ENDPOINT) {
     throw Error('Missing env!')
   }
@@ -26,7 +31,6 @@ export const compileCode = async (activeId: number) => {
   // Set loading state to true
   state.compiling = true
   state.logs = []
-  const file = state.files[activeId]
   try {
     file.containsErrors = false
     let res: Response
@@ -72,7 +76,7 @@ export const compileCode = async (activeId: number) => {
 
       // Import wabt from and create human readable version of wasm file and
       // put it into state
-      const ww = (await import('wabt')).default()
+      const ww = await (await import('wabt')).default()
       const myModule = ww.readWasm(new Uint8Array(bufferData), {
         readDebugNames: true
       })
@@ -122,3 +126,46 @@ export const compileCode = async (activeId: number) => {
     file.containsErrors = true
   }
 }
+
+export const compileWat = async (activeId: number) => {
+  if (state.compiling) return;
+  const file = state.files[activeId]
+  state.compiling = true
+  state.logs = []
+  try {
+    const wabt = await (await import('wabt')).default()
+    const module = wabt.parseWat(file.name, file.content);
+    module.resolveNames();
+    module.validate();
+    const { buffer } = module.toBinary({
+      log: false,
+      write_debug_names: true,
+    });
+
+    file.compiledContent = ref(buffer)
+    file.lastCompiled = new Date()
+    file.compiledValueSnapshot = file.content
+    file.compiledWatContent = file.content
+
+    toast.success('Compiled successfully!', { position: 'bottom-center' })
+    state.logs.push({
+      type: 'success',
+      message: `File ${state.files?.[activeId]?.name} compiled successfully. Ready to deploy.`,
+      link: Router.asPath.replace('develop', 'deploy'),
+      linkText: 'Go to deploy'
+    })
+  } catch (err) {
+    console.log(err)
+    let message = "Error compiling WAT file!"
+    if (err instanceof Error) {
+      message = err.message
+    }
+    state.logs.push({
+      type: 'error',
+      message
+    })
+    toast.error(`Error occurred while compiling!`, { position: 'bottom-center' })
+    file.containsErrors = true
+  }
+  state.compiling = false
+}

state/actions/createNewFile.ts

@@ -1,21 +1,19 @@
+import { getFileExtention } from '../../utils/helpers'
 import state, { IFile } from '../index'
 
-const languageMapping = {
+const languageMapping: Record<string, string | undefined> = {
   ts: 'typescript',
   js: 'javascript',
   md: 'markdown',
   c: 'c',
   h: 'c',
-  other: ''
+  txt: 'text'
-} /* Initializes empty file to global state */
+}
+
 export const createNewFile = (name: string) => {
-  const tempName = name.split('.')
+  const ext = getFileExtention(name) || ''
-  const fileExt = tempName[tempName.length - 1] || 'other'
+
-  const emptyFile: IFile = {
+  const emptyFile: IFile = { name, language: languageMapping[ext] || 'text', content: '' }
-    name,
-    language: languageMapping[fileExt as 'ts' | 'js' | 'md' | 'c' | 'h' | 'other'],
-    content: ''
-  }
   state.files.push(emptyFile)
   state.active = state.files.length - 1
 }
@@ -24,5 +22,8 @@ export const renameFile = (oldName: string, nwName: string) => {
   const file = state.files.find(file => file.name === oldName)
   if (!file) throw Error(`No file exists with name ${oldName}`)
 
+  const ext = getFileExtention(nwName) || ''
+  const language = languageMapping[ext] || 'text'
   file.name = nwName
+  file.language = language
 }

state/actions/deleteAccount.ts

@@ -14,11 +14,4 @@ export const deleteAccount = (addr?: string) => {
       if (!acc) return
       acc.label = acc.value
     })
-  transactionsState.transactions
-    .filter(t => t.state.selectedDestAccount?.value === addr)
-    .forEach(t => {
-      const acc = t.state.selectedDestAccount
-      if (!acc) return
-      acc.label = acc.value
-    })
 }

state/actions/deployHook.tsx

@@ -6,7 +6,9 @@ import calculateHookOn, { TTS } from '../../utils/hookOnCalculator'
 import { Link } from '../../components'
 import { ref } from 'valtio'
 import estimateFee from '../../utils/estimateFee'
-import { SetHookData } from '../../utils/setHook'
+import { SetHookData, toHex } from '../../utils/setHook'
+import ResultLink from '../../components/ResultLink'
+import { xrplSend } from './xrpl-client'
 
 export const sha256 = async (string: string) => {
   const utf8 = new TextEncoder().encode(string)
@@ -16,13 +18,6 @@ export const sha256 = async (string: string) => {
   return hashHex
 }
 
-function toHex(str: string) {
-  var result = ''
-  for (var i = 0; i < str.length; i++) {
-    result += str.charCodeAt(i).toString(16)
-  }
-  return result.toUpperCase()
-}
 
 function arrayBufferToHex(arrayBuffer?: ArrayBuffer | null) {
   if (!arrayBuffer) {
@@ -63,9 +58,6 @@ export const prepareDeployHookTx = async (
   if (!activeFile?.compiledContent) {
     return
   }
-  if (!state.client) {
-    return
-  }
   const HookNamespace = (await sha256(data.HookNamespace)).toUpperCase()
   const hookOnValues: (keyof TTS)[] = data.Invoke.map(tt => tt.value)
   const { HookParameters } = data
@@ -86,187 +78,184 @@ export const prepareDeployHookTx = async (
   //     }
   //   }
   // });
-  if (typeof window !== 'undefined') {
+  if (typeof window === 'undefined') return
-    const tx = {
+  const tx = {
-      Account: account.address,
+    Account: account.address,
-      TransactionType: 'SetHook',
+    TransactionType: 'SetHook',
-      Sequence: account.sequence,
+    Sequence: account.sequence,
-      Fee: data.Fee,
+    Fee: data.Fee,
-      Hooks: [
+    NetworkID: process.env.NEXT_PUBLIC_NETWORK_ID,
-        {
+    Hooks: [
-          Hook: {
+      {
-            CreateCode: arrayBufferToHex(activeFile?.compiledContent).toUpperCase(),
+        Hook: {
-            HookOn: calculateHookOn(hookOnValues),
+          CreateCode: arrayBufferToHex(activeFile?.compiledContent).toUpperCase(),
-            HookNamespace,
+          HookOn: calculateHookOn(hookOnValues),
-            HookApiVersion: 0,
+          HookNamespace,
-            Flags: 1,
+          HookApiVersion: 0,
-            // ...(filteredHookGrants.length > 0 && { HookGrants: filteredHookGrants }),
+          Flags: 1,
-            ...(filteredHookParameters.length > 0 && {
+          // ...(filteredHookGrants.length > 0 && { HookGrants: filteredHookGrants }),
-              HookParameters: filteredHookParameters
+          ...(filteredHookParameters.length > 0 && {
-            })
+            HookParameters: filteredHookParameters
-          }
+          })
         }
-      ]
+      }
-    }
+    ]
-    return tx
   }
+  return tx
 }
 
-/* deployHook function turns the wasm binary into
+/*
- * hex string, signs the transaction and deploys it to
+ * Turns the wasm binary into hex string, signs the transaction and deploys it to Hooks testnet.
- * Hooks testnet.
  */
 export const deployHook = async (account: IAccount & { name?: string }, data: SetHookData) => {
-  if (typeof window !== 'undefined') {
+  const activeFile = state.files[state.active]?.compiledContent
-    const activeFile = state.files[state.active]?.compiledContent
+    ? state.files[state.active]
-      ? state.files[state.active]
+    : state.files.filter(file => file.compiledContent)[0]
-      : state.files.filter(file => file.compiledContent)[0]
+  state.deployValues[activeFile.name] = data
-    state.deployValues[activeFile.name] = data
-    const tx = await prepareDeployHookTx(account, data)
-    if (!tx) {
-      return
-    }
-    if (!state.client) {
-      return
-    }
-    const keypair = derive.familySeed(account.secret)
 
-    const { signedTransaction } = sign(tx, keypair)
+  const tx = await prepareDeployHookTx(account, data)
-    const currentAccount = state.accounts.find(acc => acc.address === account.address)
+  if (!tx) {
-    if (currentAccount) {
+    return
-      currentAccount.isLoading = true
+  }
-    }
+  const keypair = derive.familySeed(account.secret)
-    let submitRes
+  const { signedTransaction } = sign(tx, keypair)
 
-    try {
+  const currentAccount = state.accounts.find(acc => acc.address === account.address)
-      submitRes = await state.client?.send({
+  if (currentAccount) {
-        command: 'submit',
+    currentAccount.isLoading = true
-        tx_blob: signedTransaction
+  }
+
+  let submitRes
+  try {
+    submitRes = await xrplSend({
+      command: 'submit',
+      tx_blob: signedTransaction
+    })
+
+    const txHash = submitRes.tx_json?.hash
+    const resultMsg = ref(
+      <>
+        [<ResultLink result={submitRes.engine_result} />] {submitRes.engine_result_message}{' '}
+        {txHash && (
+          <>
+            Transaction hash:{' '}
+            <Link
+              as="a"
+              href={`https://${process.env.NEXT_PUBLIC_EXPLORER_URL}/${txHash}`}
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              {txHash}
+            </Link>
+          </>
+        )}
+      </>
+    )
+    if (submitRes.engine_result === 'tesSUCCESS') {
+      state.deployLogs.push({
+        type: 'success',
+        message: 'Hook deployed successfully ✅'
       })
-
+      state.deployLogs.push({
-      if (submitRes.engine_result === 'tesSUCCESS') {
+        type: 'success',
-        state.deployLogs.push({
+        message: resultMsg
-          type: 'success',
+      })
-          message: 'Hook deployed successfully ✅'
+    } else if (submitRes.engine_result) {
-        })
-        state.deployLogs.push({
-          type: 'success',
-          message: ref(
-            <>
-              [{submitRes.engine_result}] {submitRes.engine_result_message} Transaction hash:{' '}
-              <Link
-                as="a"
-                href={`https://${process.env.NEXT_PUBLIC_EXPLORER_URL}/${submitRes.tx_json?.hash}`}
-                target="_blank"
-                rel="noopener noreferrer"
-              >
-                {submitRes.tx_json?.hash}
-              </Link>
-            </>
-          )
-          // message: `[${submitRes.engine_result}] ${submitRes.engine_result_message} Validated ledger index: ${submitRes.validated_ledger_index}`,
-        })
-      } else {
-        state.deployLogs.push({
-          type: 'error',
-          message: `[${submitRes.engine_result || submitRes.error}] ${
-            submitRes.engine_result_message || submitRes.error_exception
-          }`
-        })
-      }
-    } catch (err) {
-      console.log(err)
       state.deployLogs.push({
         type: 'error',
-        message: 'Error occurred while deploying'
+        message: resultMsg
+      })
+    } else {
+      state.deployLogs.push({
+        type: 'error',
+        message: `[${submitRes.error}] ${submitRes.error_exception}`
       })
     }
-    if (currentAccount) {
+  } catch (err) {
-      currentAccount.isLoading = false
+    console.error(err)
-    }
+    state.deployLogs.push({
-    return submitRes
+      type: 'error',
+      message: 'Error occurred while deploying'
+    })
   }
+  if (currentAccount) {
+    currentAccount.isLoading = false
+  }
+  return submitRes
 }
 
 export const deleteHook = async (account: IAccount & { name?: string }) => {
-  if (!state.client) {
-    return
-  }
   const currentAccount = state.accounts.find(acc => acc.address === account.address)
   if (currentAccount?.isLoading || !currentAccount?.hooks.length) {
     return
   }
-  if (typeof window !== 'undefined') {
+  const tx = {
-    const tx = {
+    Account: account.address,
-      Account: account.address,
+    TransactionType: 'SetHook',
-      TransactionType: 'SetHook',
+    Sequence: account.sequence,
-      Sequence: account.sequence,
+    Fee: '100000',
-      Fee: '100000',
+    NetworkID: process.env.NEXT_PUBLIC_NETWORK_ID,
-      Hooks: [
+    Hooks: [
-        {
+      {
-          Hook: {
+        Hook: {
-            CreateCode: '',
+          CreateCode: '',
-            Flags: 1
+          Flags: 1
-          }
         }
-      ]
-    }
-
-    const keypair = derive.familySeed(account.secret)
-    try {
-      // Update tx Fee value with network estimation
-      const res = await estimateFee(tx, account)
-      tx['Fee'] = res?.base_fee ? res?.base_fee : '1000'
-    } catch (err) {
-      // use default value what you defined earlier
-      console.log(err)
-    }
-    const { signedTransaction } = sign(tx, keypair)
-
-    if (currentAccount) {
-      currentAccount.isLoading = true
-    }
-    let submitRes
-    const toastId = toast.loading('Deleting hook...')
-    try {
-      submitRes = await state.client.send({
-        command: 'submit',
-        tx_blob: signedTransaction
-      })
-
-      if (submitRes.engine_result === 'tesSUCCESS') {
-        toast.success('Hook deleted successfully ✅', { id: toastId })
-        state.deployLogs.push({
-          type: 'success',
-          message: 'Hook deleted successfully ✅'
-        })
-        state.deployLogs.push({
-          type: 'success',
-          message: `[${submitRes.engine_result}] ${submitRes.engine_result_message} Validated ledger index: ${submitRes.validated_ledger_index}`
-        })
-        currentAccount.hooks = []
-      } else {
-        toast.error(`${submitRes.engine_result_message || submitRes.error_exception}`, {
-          id: toastId
-        })
-        state.deployLogs.push({
-          type: 'error',
-          message: `[${submitRes.engine_result || submitRes.error}] ${
-            submitRes.engine_result_message || submitRes.error_exception
-          }`
-        })
       }
-    } catch (err) {
+    ]
-      console.log(err)
+  }
-      toast.error('Error occurred while deleting hook', { id: toastId })
+  const keypair = derive.familySeed(account.secret)
+  try {
+    // Update tx Fee value with network estimation
+    const res = await estimateFee(tx, account)
+    tx['Fee'] = res?.base_fee || '1000'
+  } catch (err) {
+    console.error(err)
+  }
+  const { signedTransaction } = sign(tx, keypair)
+  if (currentAccount) {
+    currentAccount.isLoading = true
+  }
+  let submitRes
+  const toastId = toast.loading('Deleting hook...')
+  try {
+    submitRes = await xrplSend({
+      command: 'submit',
+      tx_blob: signedTransaction
+    })
+
+    if (submitRes.engine_result === 'tesSUCCESS') {
+      toast.success('Hook deleted successfully ✅', { id: toastId })
+      state.deployLogs.push({
+        type: 'success',
+        message: 'Hook deleted successfully ✅'
+      })
+      state.deployLogs.push({
+        type: 'success',
+        message: `[${submitRes.engine_result}] ${submitRes.engine_result_message} Validated ledger index: ${submitRes.validated_ledger_index}`
+      })
+      currentAccount.hooks = []
+    } else {
+      toast.error(`${submitRes.engine_result_message || submitRes.error_exception}`, {
+        id: toastId
+      })
       state.deployLogs.push({
         type: 'error',
-        message: 'Error occurred while deleting hook'
+        message: `[${submitRes.engine_result || submitRes.error}] ${
+          submitRes.engine_result_message || submitRes.error_exception
+        }`
       })
     }
-    if (currentAccount) {
+  } catch (err) {
-      currentAccount.isLoading = false
+    console.log(err)
-    }
+    toast.error('Error occurred while deleting hook', { id: toastId })
-    return submitRes
+    state.deployLogs.push({
+      type: 'error',
+      message: 'Error occurred while deleting hook'
+    })
   }
+  if (currentAccount) {
+    currentAccount.isLoading = false
+  }
+  return submitRes
 }

state/actions/fetchFiles.ts

@@ -61,6 +61,7 @@ export const fetchFiles = async (gistId: string) => {
       // default priority is undefined == 0
       const extPriority: Record<string, number> = {
         c: 3,
+        wat: 3,
         md: 2,
         h: -1
       }

state/actions/sendTransaction.tsx

@@ -2,12 +2,14 @@ import { derive, sign } from 'xrpl-accountlib'
 
 import state from '..'
 import type { IAccount } from '..'
+import ResultLink from '../../components/ResultLink'
+import { ref } from 'valtio'
+import { xrplSend } from './xrpl-client'
 
 interface TransactionOptions {
   TransactionType: string
   Account?: string
   Fee?: string
-  Destination?: string
   [index: string]: any
 }
 interface OtherOptions {
@@ -19,34 +21,46 @@ export const sendTransaction = async (
   txOptions: TransactionOptions,
   options?: OtherOptions
 ) => {
-  if (!state.client) throw Error('XRPL client not initalized')
-
   const { Fee = '1000', ...opts } = txOptions
   const tx: TransactionOptions = {
     Account: account.address,
     Sequence: account.sequence,
-    Fee, // TODO auto-fillable default
+    Fee,
+    NetworkID: process.env.NEXT_PUBLIC_NETWORK_ID,
     ...opts
   }
   const { logPrefix = '' } = options || {}
+  state.transactionLogs.push({
+    type: 'log',
+    message: `${logPrefix}${JSON.stringify(tx, null, 2)}`
+  })
   try {
     const signedAccount = derive.familySeed(account.secret)
     const { signedTransaction } = sign(tx, signedAccount)
-    const response = await state.client.send({
+    const response = await xrplSend({
       command: 'submit',
       tx_blob: signedTransaction
     })
+
+    const resultMsg = ref(
+      <>
+        {logPrefix}[<ResultLink result={response.engine_result} />] {response.engine_result_message}
+      </>
+    )
     if (response.engine_result === 'tesSUCCESS') {
       state.transactionLogs.push({
         type: 'success',
-        message: `${logPrefix}[${response.engine_result}] ${response.engine_result_message}`
+        message: resultMsg
+      })
+    } else if (response.engine_result) {
+      state.transactionLogs.push({
+        type: 'error',
+        message: resultMsg
       })
     } else {
       state.transactionLogs.push({
         type: 'error',
-        message: `${logPrefix}[${response.error || response.engine_result}] ${
+        message: `${logPrefix}[${response.error}] ${response.error_exception}`
-          response.error_exception || response.engine_result_message
-        }`
       })
     }
     const currAcc = state.accounts.find(acc => acc.address === account.address)

state/actions/xrpl-client.ts

@@ -0,0 +1,7 @@
+import { XrplClient } from 'xrpl-client';
+import state from '..';
+
+export const xrplSend = async(...params: Parameters<XrplClient['send']>) => {
+    const client = await state.client.ready()
+    return client.send(...params);
+}

state/constants/flags.ts

@@ -0,0 +1,79 @@
+import { SelectOption } from '../transactions';
+
+interface Flags {
+    [key: string]: string;
+}
+
+export const transactionFlags: { [key: /* TransactionType */ string]: Flags } = {
+    "*": {
+        tfFullyCanonicalSig: '0x80000000'
+    },
+    Payment: {
+        tfNoDirectRipple: '0x00010000',
+        tfPartialPayment: '0x00020000',
+        tfLimitQuality: '0x00040000',
+    },
+    AccountSet: {
+        tfRequireDestTag: '0x00010000',
+        tfOptionalDestTag: '0x00020000',
+        tfRequireAuth: '0x00040000',
+        tfOptionalAuth: '0x00080000',
+        tfDisallowXRP: '0x00100000',
+        tfAllowXRP: '0x00200000',
+    },
+    NFTokenCreateOffer: {
+        tfSellNFToken: '0x00000001',
+    },
+    NFTokenMint: {
+        tfBurnable: '0x00000001',
+        tfOnlyXRP: '0x00000002',
+        tfTrustLine: '0x00000004',
+        tfTransferable: '0x00000008',
+    },
+    OfferCreate: {
+        tfPassive: '0x00010000',
+        tfImmediateOrCancel: '0x00020000',
+        tfFillOrKill: '0x00040000',
+        tfSell: '0x00080000',
+    },
+    PaymentChannelClaim: {
+        tfRenew: '0x00010000',
+        tfClose: '0x00020000',
+    },
+    TrustSet: {
+        tfSetfAuth: '0x00010000',
+        tfSetNoRipple: '0x00020000',
+        tfClearNoRipple: '0x00040000',
+        tfSetFreeze: '0x00100000',
+        tfClearFreeze: '0x00200000',
+    },
+}
+
+export const getFlags = (tt?: string) => {
+    if (!tt) return
+    const flags = {
+        ...transactionFlags['*'],
+        ...transactionFlags[tt]
+    }
+
+    return flags
+}
+
+
+export function combineFlags(flags?: string[]): string | undefined {
+    if (!flags) return
+
+    const num = flags.reduce((cumm, curr) => cumm | BigInt(curr), BigInt(0))
+    return num.toString()
+}
+
+export function extractFlags(transactionType: string, flags?: string | number,): SelectOption[] {
+    const flagsObj = getFlags(transactionType)
+    if (!flags || !flagsObj) return []
+
+    const extracted = Object.entries(flagsObj).reduce((cumm, [label, value]) => {
+        return (BigInt(flags) & BigInt(value)) ? cumm.concat({ label, value }) : cumm
+    }, [] as SelectOption[])
+
+    return extracted
+}

state/index.ts

@@ -78,7 +78,7 @@ export interface IState {
   splits: {
     [id: string]: SplitSize
   }
-  client: XrplClient | null
+  client: XrplClient
   clientStatus: 'offline' | 'online'
   mainModalOpen: boolean
   mainModalShowed: boolean
@@ -113,7 +113,7 @@ let initialState: IState = {
     tabSize: 2
   },
   splits: {},
-  client: null,
+  client: undefined!, // set below only.
   clientStatus: 'offline' as 'offline',
   mainModalOpen: false,
   mainModalShowed: false,
@@ -153,9 +153,9 @@ const state = proxy<IState>({
 })
 // Initialize socket connection
 const client = new XrplClient(`wss://${process.env.NEXT_PUBLIC_TESTNET_URL}`)
+state.client = ref(client);
 
 client.on('online', () => {
-  state.client = ref(client)
   state.clientStatus = 'online'
 })
 

state/transactions.ts

@@ -4,33 +4,56 @@ import transactionsData from '../content/transactions.json'
 import state from '.'
 import { showAlert } from '../state/actions/showAlert'
 import { parseJSON } from '../utils/json'
+import { extractFlags, getFlags } from './constants/flags'
+import { fromHex } from '../utils/setHook'
+import { typeIs } from '../utils/helpers'
 
 export type SelectOption = {
   value: string
   label: string
 }
 
+export type HookParameters = {
+  [key: string]: SelectOption
+}
+
+export type Memos = {
+  [key: string]: {
+    type: string
+    format: string
+    data: string
+  }
+}
+
 export interface TransactionState {
   selectedTransaction: SelectOption | null
   selectedAccount: SelectOption | null
-  selectedDestAccount: SelectOption | null
+  selectedFlags: SelectOption[] | null
+  hookParameters: HookParameters
+  memos: Memos
   txIsLoading: boolean
   txIsDisabled: boolean
   txFields: TxFields
   viewType: 'json' | 'ui'
   editorValue?: string
+  editorIsSaved: boolean
   estimatedFee?: string
 }
 
+const commonFields = ['TransactionType', 'Account', 'Sequence', "HookParameters"] as const;
+
 export type TxFields = Omit<
   Partial<typeof transactionsData[0]>,
-  'Account' | 'Sequence' | 'TransactionType'
+  typeof commonFields[number]
 >
 
 export const defaultTransaction: TransactionState = {
   selectedTransaction: null,
   selectedAccount: null,
-  selectedDestAccount: null,
+  selectedFlags: null,
+  hookParameters: {},
+  memos: {},
+  editorIsSaved: true,
   txIsLoading: false,
   txIsDisabled: false,
   txFields: {},
@@ -106,47 +129,51 @@ export const modifyTxState = (
   return tx.state
 }
 
-// state to tx options
 export const prepareTransaction = (data: any) => {
   let options = { ...data }
 
   Object.keys(options).forEach(field => {
     let _value = options[field]
-    // convert xrp
+    if (!typeIs(_value, 'object')) return
-    if (_value && typeof _value === 'object' && _value.$type === 'xrp') {
+    // amount.xrp
-      if (+_value.$value) {
+    if (_value.$type === 'amount.xrp') {
-        options[field] = (+_value.$value * 1000000 + '') as any
+      if (_value.$value) {
+        options[field] = (+(_value as any).$value * 1000000 + '')
       } else {
-        options[field] = undefined // 👇 💀
+        options[field] = ""
       }
     }
-    // handle type: `json`
+    // amount.token
-    if (_value && typeof _value === 'object' && _value.$type === 'json') {
+    if (_value.$type === 'amount.token') {
-      if (typeof _value.$value === 'object') {
+      if (typeIs(_value.$value, 'string')) {
+        options[field] = parseJSON(_value.$value)
+      } else if (typeIs(_value.$value, 'object')) {
         options[field] = _value.$value
       } else {
-        try {
+        options[field] = undefined
-          options[field] = JSON.parse(_value.$value)
-        } catch (error) {
-          const message = `Input error for json field '${field}': ${
-            error instanceof Error ? error.message : ''
-          }`
-          console.error(message)
-          options[field] = _value.$value
-        }
       }
     }
-
+    // account
-    // delete unnecessary fields
+    if (_value.$type === 'account') {
-    if (!options[field]) {
+      options[field] = (_value.$value as any)?.toString() || ""
-      delete options[field]
+    }
+    // json
+    if (_value.$type === 'json') {
+      const val = _value.$value;
+      let res: any = val;
+      if (typeIs(val, ["object", "array"])) {
+        options[field] = res
+      } else if (typeIs(val, "string") && (res = parseJSON(val))) {
+        options[field] = res;
+      } else {
+        options[field] = res;
+      }
     }
   })
 
   return options
 }
 
-// editor value to state
 export const prepareState = (value: string, transactionType?: string) => {
   const options = parseJSON(value)
   if (!options) {
@@ -156,7 +183,7 @@ export const prepareState = (value: string, transactionType?: string) => {
     return
   }
 
-  const { Account, TransactionType, Destination, ...rest } = options
+  const { Account, TransactionType, HookParameters, Memos, ...rest } = options
   let tx: Partial<TransactionState> = {}
   const schema = getTxFields(transactionType)
 
@@ -186,39 +213,58 @@ export const prepareState = (value: string, transactionType?: string) => {
     tx.selectedTransaction = null
   }
 
-  if (schema.Destination !== undefined) {
+  if (HookParameters && HookParameters instanceof Array) {
-    const dest = state.accounts.find(acc => acc.address === Destination)
+    tx.hookParameters = HookParameters.reduce<TransactionState["hookParameters"]>((acc, cur, idx) => {
-    if (dest) {
+      const param = { label: fromHex(cur.HookParameter?.HookParameterName || ""), value: cur.HookParameter?.HookParameterValue || "" }
-      tx.selectedDestAccount = {
+      acc[idx] = param;
-        label: dest.name,
+      return acc;
-        value: dest.address
+    }, {})
-      }
+  }
-    } else if (Destination) {
+
-      tx.selectedDestAccount = {
+  if (Memos && Memos instanceof Array) {
-        label: Destination,
+    tx.memos = Memos.reduce<TransactionState["memos"]>((acc, cur, idx) => {
-        value: Destination
+      const memo = { data: cur.Memo?.MemoData || "", type: fromHex(cur.Memo?.MemoType || ""), format: fromHex(cur.Memo?.MemoFormat || "") }
-      }
+      acc[idx] = memo;
-    } else {
+      return acc;
-      tx.selectedDestAccount = null
+    }, {})
-    }
+  }
-  } else if (Destination) {
+
-    rest.Destination = Destination
+
+  if (getFlags(TransactionType) && rest.Flags) {
+    const flags = extractFlags(TransactionType, rest.Flags)
+
+    rest.Flags = undefined
+    tx.selectedFlags = flags
   }
 
   Object.keys(rest).forEach(field => {
     const value = rest[field]
     const schemaVal = schema[field as keyof TxFields]
-    const isXrp =
+
-      typeof value !== 'object' &&
+    const isAmount = schemaVal &&
-      schemaVal &&
+      typeIs(schemaVal, "object") &&
-      typeof schemaVal === 'object' &&
+      schemaVal.$type.startsWith('amount.');
-      schemaVal.$type === 'xrp'
+    const isAccount = schemaVal &&
-    if (isXrp) {
+      typeIs(schemaVal, "object") &&
+      schemaVal.$type.startsWith("account");
+
+    if (isAmount && ["number", "string"].includes(typeof value)) {
       rest[field] = {
-        $type: 'xrp',
+        $type: 'amount.xrp', // TODO narrow typed $type.
         $value: +value / 1000000 // ! maybe use bigint?
       }
-    } else if (typeof value === 'object') {
+    } else if (isAmount && typeof value === 'object') {
+      rest[field] = {
+        $type: 'amount.token',
+        $value: value
+      }
+    } else if (isAccount) {
+      rest[field] = {
+        $type: "account",
+        $value: value?.toString() || ""
+      }
+    }
+    else if (typeof value === 'object') {
       rest[field] = {
         $type: 'json',
         $value: value
@@ -227,6 +273,7 @@ export const prepareState = (value: string, transactionType?: string) => {
   })
 
   tx.txFields = rest
+  tx.editorIsSaved = true;
 
   return tx
 }
@@ -237,12 +284,12 @@ export const getTxFields = (tt?: string) => {
   if (!txFields) return {}
 
   let _txFields = Object.keys(txFields)
-    .filter(key => !['TransactionType', 'Account', 'Sequence'].includes(key))
+    .filter(key => !commonFields.includes(key as any))
     .reduce<TxFields>((tf, key) => ((tf[key as keyof TxFields] = (txFields as any)[key]), tf), {})
   return _txFields
 }
 
-export { transactionsData }
+export { transactionsData, commonFields }
 
 export const transactionsOptions = transactionsData.map(tx => ({
   value: tx.TransactionType,

utils/accountInfo.ts

@@ -0,0 +1,31 @@
+import toast from 'react-hot-toast'
+
+import { xrplSend } from '../state/actions/xrpl-client'
+
+interface AccountInfo {
+    Account: string,
+    Sequence: number,
+    Flags: number,
+    Balance?: string,
+}
+
+const fetchAccountInfo = async (
+    address: string,
+    opts: { silent?: boolean } = {}
+): Promise<AccountInfo | undefined> => {
+    try {
+        const res = await xrplSend({
+            id: `hooks-builder-req-info-${address}`,
+            command: 'account_info',
+            account: address
+        })
+        return res.account_data;
+    } catch (err) {
+        if (!opts.silent) {
+            console.error(err)
+            toast.error('Could not fetch account info!')
+        }
+    }
+}
+
+export default fetchAccountInfo

utils/estimateFee.ts

@@ -1,6 +1,7 @@
 import toast from 'react-hot-toast'
 import { derive, sign } from 'xrpl-accountlib'
-import state, { IAccount } from '../state'
+import { IAccount } from '../state'
+import { xrplSend } from '../state/actions/xrpl-client'
 
 const estimateFee = async (
   tx: Record<string, unknown>,
@@ -22,7 +23,10 @@ const estimateFee = async (
     const keypair = derive.familySeed(account.secret)
     const { signedTransaction } = sign(copyTx, keypair)
 
-    const res = await state.client?.send({ command: 'fee', tx_blob: signedTransaction })
+    const res = await xrplSend({ command: 'fee', tx_blob: signedTransaction })
+    if (res.error) {
+      throw new Error(`[${res.error}] ${res.error_exception}.`);
+    }
     if (res && res.drops) {
       return res.drops
     }
@@ -30,7 +34,8 @@ const estimateFee = async (
   } catch (err) {
     if (!opts.silent) {
       console.error(err)
-      toast.error('Cannot estimate fee.') // ? Some better msg
+      const msg = err instanceof Error ? err.message : 'Error estimating fee!';
+      toast.error(msg);
     }
     return null
   }

utils/helpers.ts

@@ -13,3 +13,23 @@ export const capitalize = (value?: string) => {
 
   return value[0].toLocaleUpperCase() + value.slice(1)
 }
+
+export const getFileExtention = (filename?: string): string | undefined => {
+  if (!filename) return
+  const ext = (filename.includes('.') && filename.split('.').pop()) || undefined
+  return ext
+}
+
+type Type = "array" | "undefined" | "object" | "string" | "number" | "bigint" | "boolean" | "symbol" | "function"
+type obj = Record<string | number | symbol, unknown>
+type arr = unknown[]
+
+export const typeIs = <T extends Type>(arg: any, t: T | T[]): arg is unknown & (T extends "array" ? arr : T extends "undefined" ? undefined | null : T extends "object" ? obj : T extends "string" ? string : T extends "number" ? number : T extends "bigint" ? bigint : T extends "boolean" ? boolean : T extends "symbol" ? symbol : T extends "function" ? Function : never) => {
+  const types = Array.isArray(t) ? t : [t]
+  return types.includes(typeOf(arg) as T);
+}
+
+export const typeOf = (arg: any): Type => {
+  const type = arg instanceof Array ? 'array' : arg === null ? 'undefined' : typeof arg
+  return type;
+}

utils/hookOnCalculator.ts

@@ -23,23 +23,22 @@ export const tts = {
   ttNFTOKEN_BURN: 26,
   ttNFTOKEN_CREATE_OFFER: 27,
   ttNFTOKEN_CANCEL_OFFER: 28,
-  ttNFTOKEN_ACCEPT_OFFER: 29
+  ttNFTOKEN_ACCEPT_OFFER: 29,
+  ttINVOKE: 99,
 }
 
 export type TTS = typeof tts
 
 const calculateHookOn = (arr: (keyof TTS)[]) => {
-  let start = '0x000000003e3ff5bf'
+  let s = '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffbfffff'
   arr.forEach(n => {
-    let v = BigInt(start)
+    let v = BigInt(s)
-    v ^= BigInt(1) << BigInt(tts[n as keyof TTS])
+    v ^= BigInt(1) << BigInt(tts[n])
-    let s = v.toString(16)
+    s = "0x" + v.toString(16)
-    let l = s.length
-    if (l < 16) s = '0'.repeat(16 - l) + s
-    s = '0x' + s
-    start = s
   })
-  return start.substring(2)
+  s = s.replace('0x', '')
+  s = s.padStart(64, '0')
+  return s
 }
 
 export default calculateHookOn

utils/schema.ts

@@ -1,9 +1,8 @@
+import { typeIs, typeOf } from './helpers'
+
 export const extractSchemaProps = <O extends object>(obj: O) =>
   Object.entries(obj).reduce((prev, [key, val]) => {
-    const typeOf = <T>(arg: T) =>
+    const value = typeIs(val, "object") && '$type' in val && '$value' in val ? val?.$value : val
-      arg instanceof Array ? 'array' : arg === null ? 'undefined' : typeof arg
-
-    const value = typeOf(val) === 'object' && '$type' in val && '$value' in val ? val?.$value : val
     const type = typeOf(value)
 
     let schema: any = {
@@ -12,19 +11,19 @@ export const extractSchemaProps = <O extends object>(obj: O) =>
       default: value
     }
 
-    if (typeOf(value) === 'array') {
+    if (typeIs(value, "array")) {
       const item = value[0] // TODO merge other item schema's into one
-      if (typeOf(item) !== 'object') {
+      if (typeIs(item, "object")) {
         schema.items = {
           type: 'object',
           properties: extractSchemaProps(item),
           default: item
         }
       }
-      // TODO support primitive-value arrays
+      // TODO primitive-value arrays
     }
 
-    if (typeOf(value) === 'object') {
+    if (typeIs(value, "object")) {
       schema.properties = extractSchemaProps(value)
     }
     return {

utils/setHook.ts

@@ -20,6 +20,13 @@ export type SetHookData = {
     }
     $metaData?: any
   }[]
+  Memos?: {
+    Memo: {
+      MemoType: string,
+      MemoData: string
+      MemoFormat: string
+    }
+  }[]
   // HookGrants: {
   //   HookGrant: {
   //     Authorize: string;
@@ -74,3 +81,20 @@ export const getInvokeOptions = (content?: string) => {
 
   return invokeOptions
 }
+
+export function toHex(str: string) {
+  var result = ''
+  for (var i = 0; i < str.length; i++) {
+    const hex = str.charCodeAt(i).toString(16)
+    result += hex.padStart(2, '0')
+  }
+  return result.toUpperCase()
+}
+
+export function fromHex(hex: string) {
+  var str = ''
+  for (var i = 0; i < hex.length; i += 2) {
+    str += String.fromCharCode(parseInt(hex.substring(i, i + 2), 16))
+  }
+  return str
+}

xrpl-hooks-docs/docs.ts

@@ -22,6 +22,7 @@ import hooksFloatManipPure from './md/hooks-float-manip-pure.md'
 import hooksFloatOnePure from './md/hooks-float-one-pure.md'
 import hooksFloatPure from './md/hooks-float-pure.md'
 import hooksGuardCalled from './md/hooks-guard-called.md'
+import hooksGuardCallNonConst from './md/hooks-guard-call-non-const.md'
 import hooksGuardInFor from './md/hooks-guard-in-for.md'
 import hooksGuardInWhile from './md/hooks-guard-in-while.md'
 import hooksHashBufLen from './md/hooks-hash-buf-len.md'
@@ -70,6 +71,7 @@ const docs: { [key: string]: string } = {
   'hooks-float-one-pure': hooksFloatOnePure,
   'hooks-float-pure': hooksFloatPure,
   'hooks-guard-called': hooksGuardCalled,
+  'hooks-guard-call-non-const': hooksGuardCallNonConst,
   'hooks-guard-in-for': hooksGuardInFor,
   'hooks-guard-in-while': hooksGuardInWhile,
   'hooks-hash-buf-len': hooksHashBufLen,

xrpl-hooks-docs/md/hooks-guard-call-non-const.md

@@ -0,0 +1,6 @@
+# hooks-guard-call-non-const
+
+Only compile-time constants can be used as an argument in loop GUARD call. This check warns if a non compile-time constant is used. 
+It also checks whether a compile-time constant is used as a first argument of `_g()` call and whether it is a unique value. If not - it warns.
+
+[Read more](https://xrpl-hooks.readme.io/v2.0/docs/loops-and-guarding)

xrpl-hooks-docs/md/hooks-guard-in-for.md

@@ -1,14 +1,35 @@
 # hooks-guard-in-for
 
-A guard is a marker that must be placed in your code at the top of each loop. Consider the following for-loop in C:
+Consider the following for-loop in C:
 
 ```c
-  #define GUARD(maxiter) _g(__LINE__, (maxiter)+1)
+#define GUARD(maxiter) _g(__LINE__, (maxiter)+1)
-
+for (int i = 0; GUARD(3), i < 3; ++i)
-  for (int i = 0; GUARD(3), i < 3; ++i)
 ```
 
-<BR/>
+To satisfy the guard rule when using a for-loop in C guard should be 
-This is the only way to satisfy the guard rule when using a for-loop in C.
+placed either in the condition part of the loop, or as a first call in loop body, e.g.
+
+```c
+for(int i = 0; i < 3; ++i) {
+  GUARD(3);
+}
+```
+
+In case of nested loops, the guard limit value should be 
+multiplied by a number of iterations in each loop, e.g.
+
+```c
+for(int i = 0; GUARD(3), i < 3; ++i) {
+  for (int j = 0; GUARD(17), j < 5; ++j)
+}
+```
+
+```
+(most descendant loop iterations + 1) * (each parent loops iterations) - 1
+```
+
+This check will warn if the GUARD call is missing and also it will propose a GUARD value based on the for loop initial value,
+the increment and loop condition.
 
 [Read more](https://xrpl-hooks.readme.io/v2.0/docs/loops-and-guarding)