Files
xo-cli/src/tui/screens/SeedInput.tsx

419 lines
14 KiB
TypeScript

/**
* Seed Input Screen - Initial screen for wallet seed phrase entry.
*
* Allows users to enter their BIP39 seed phrase to initialize the wallet,
* or select from previously saved mnemonic files on disk.
*/
import React, { useState, useCallback, useEffect } from 'react';
import { Box, Text } from 'ink';
import TextInput from '../components/TextInput.js';
import { Button } from '../components/Button.js';
import { useNavigation } from '../hooks/useNavigation.js';
import { useAppContext, useStatus } from '../hooks/useAppContext.js';
import { useBlockableInput } from '../hooks/useInputLayer.js';
import { colors, logo } from '../theme.js';
import fs from 'fs';
import path from 'path';
import { createMnemonicFile } from '../../cli/mnemonic.js';
import { getMnemonicsDir } from '../../utils/paths.js';
import { BCHMnemonicURL } from '../../utils/bch-mnemonic-url.js';
import { encodeBip39Mnemonic } from '@bitauth/libauth';
/**
* Status message type.
*/
type StatusType = 'idle' | 'loading' | 'error' | 'success';
/**
* Parsed mnemonic file entry with the derived seed phrase ready for wallet init.
*/
interface MnemonicFileEntry {
filename: string;
/** Friendly label derived from filename or the URL comment field. */
label: string;
/** The BIP39 mnemonic phrase derived from the file's entropy. */
mnemonic: string;
}
/**
* Focus sections the user can tab between.
* When saved wallets exist the file list is shown first.
*/
type FocusSection = 'files' | 'input' | 'saveCheckbox' | 'button';
/**
* Reads mnemonic-* files from ~/.config/xo-cli/mnemonics/ (same as xo-cli),
* then from cwd for legacy installs. Parses each as a BCHMnemonicURL.
*/
function loadMnemonicFiles(): MnemonicFileEntry[] {
const dirs = [getMnemonicsDir(), process.cwd()];
const seenBasenames = new Set<string>();
const entries: MnemonicFileEntry[] = [];
for (const dir of dirs) {
if (!fs.existsSync(dir)) continue;
const filenames = fs
.readdirSync(dir)
.filter((f) => f.startsWith('mnemonic-'));
for (const filename of filenames) {
if (seenBasenames.has(filename)) continue;
try {
const content = fs.readFileSync(path.join(dir, filename), 'utf-8').trim();
const parsed = BCHMnemonicURL.fromURL(content);
const raw = parsed.toObject();
const mnemonicResult = encodeBip39Mnemonic(raw.entropy);
if (typeof mnemonicResult === 'string') continue;
/** Use the URL comment as the label, falling back to a cleaned-up filename. */
const label = raw.comment
?? filename.replace(/^mnemonic-/, '').replace(/\.[^.]+$/, '');
entries.push({ filename, label, mnemonic: mnemonicResult.phrase });
seenBasenames.add(filename);
} catch {
// Skip files that can't be parsed
}
}
}
return entries;
}
/**
* Seed Input Screen Component.
* Provides seed phrase entry for wallet initialization and a selectable
* list of previously saved mnemonic files.
*/
export function SeedInputScreen(): React.ReactElement {
const { navigate } = useNavigation();
const { initializeWallet } = useAppContext();
const { setStatus } = useStatus();
// State
const [seedPhrase, setSeedPhrase] = useState('');
const [statusMessage, setStatusMessage] = useState('');
const [statusType, setStatusType] = useState<StatusType>('idle');
const [isSubmitting, setIsSubmitting] = useState(false);
// Mnemonic file list state
const [mnemonicFiles, setMnemonicFiles] = useState<MnemonicFileEntry[]>([]);
const [selectedFileIndex, setSelectedFileIndex] = useState(0);
/** When set, manual seed is written to ~/.config/xo-cli/mnemonics/ after a successful unlock. */
const [saveMnemonicChecked, setSaveMnemonicChecked] = useState(false);
// Focus: when saved wallets exist default to the file list, otherwise the input.
const [focusedSection, setFocusedSection] = useState<FocusSection>('input');
useEffect(() => {
const entries = loadMnemonicFiles();
setMnemonicFiles(entries);
if (entries.length > 0) setFocusedSection('files');
}, []);
/**
* The ordered list of focusable sections (files section only when entries exist).
*/
const focusSections: FocusSection[] = mnemonicFiles.length > 0
? ['files', 'input', 'saveCheckbox', 'button']
: ['input', 'saveCheckbox', 'button'];
/**
* Shows a status message with the given type.
*/
const showStatus = useCallback((message: string, type: StatusType) => {
setStatusMessage(message);
setStatusType(type);
}, []);
/**
* Shared wallet initialization handler used by both manual entry and file selection.
*/
const doInitialize = useCallback(
async (seed: string, options?: { saveMnemonic?: boolean }) => {
showStatus('Initializing wallet...', 'loading');
setStatus('Initializing wallet...');
setIsSubmitting(true);
try {
await initializeWallet(seed);
let statusText = 'Wallet initialized successfully!';
if (options?.saveMnemonic) {
try {
const savedAs = createMnemonicFile(getMnemonicsDir(), seed);
setMnemonicFiles(loadMnemonicFiles());
statusText = `Wallet initialized! Mnemonic saved as ${savedAs}`;
} catch (saveErr) {
const saveMsg =
saveErr instanceof Error ? saveErr.message : String(saveErr);
statusText = `Wallet initialized, but could not save mnemonic: ${saveMsg}`;
}
}
showStatus(statusText, 'success');
setStatus('Wallet ready');
setSeedPhrase('');
setSaveMnemonicChecked(false);
setTimeout(() => {
navigate('wallet');
}, 500);
} catch (error) {
const message =
error instanceof Error ? error.message : 'Failed to initialize wallet';
showStatus(message, 'error');
setStatus('Initialization failed');
setIsSubmitting(false);
}
},
[initializeWallet, navigate, showStatus, setStatus],
);
/**
* Handles manual seed phrase submission with validation.
*/
const handleSubmit = useCallback(async () => {
const seed = seedPhrase.trim();
if (!seed) {
showStatus('Please enter your seed phrase', 'error');
return;
}
const wordCount = seed.split(/\s+/).length;
if (wordCount !== 12 && wordCount !== 24) {
showStatus(`Invalid seed phrase. Expected 12 or 24 words, got ${wordCount}`, 'error');
return;
}
await doInitialize(seed, { saveMnemonic: saveMnemonicChecked });
}, [seedPhrase, saveMnemonicChecked, doInitialize, showStatus]);
/**
* Handles selecting a mnemonic file from the list.
*/
const handleFileSelect = useCallback(async (index: number) => {
const entry = mnemonicFiles[index];
if (!entry) return;
await doInitialize(entry.mnemonic);
}, [mnemonicFiles, doInitialize]);
// Keyboard navigation
useBlockableInput((_input, key) => {
if (isSubmitting) return;
// Tab / Shift-Tab to cycle focus sections
if (key.tab) {
setFocusedSection((prev) => {
const idx = focusSections.indexOf(prev);
const next = key.shift
? (idx - 1 + focusSections.length) % focusSections.length
: (idx + 1) % focusSections.length;
return focusSections[next]!;
});
return;
}
// Space or Enter toggles "save mnemonic" when that row is focused
if (focusedSection === 'saveCheckbox') {
if (_input === ' ' || key.return) {
setSaveMnemonicChecked((v) => !v);
return;
}
}
// Arrow keys inside the file list
if (focusedSection === 'files' && mnemonicFiles.length > 0) {
if (key.upArrow) {
setSelectedFileIndex((prev) => Math.max(0, prev - 1));
return;
}
if (key.downArrow) {
setSelectedFileIndex((prev) => Math.min(mnemonicFiles.length - 1, prev + 1));
return;
}
if (key.return) {
handleFileSelect(selectedFileIndex);
return;
}
}
// Enter on button submits manual seed
if (key.return && focusedSection === 'button') {
handleSubmit();
}
});
// Derived style helpers
const statusColor = statusType === 'error' ? colors.error :
statusType === 'success' ? colors.success :
statusType === 'loading' ? colors.info :
colors.textMuted;
const inputBorderColor = statusType === 'error' ? colors.error :
statusType === 'success' ? colors.success :
focusedSection === 'input' ? colors.focus :
colors.borderMuted;
return (
<Box flexDirection='column' alignItems='center' paddingY={1}>
{/* Logo */}
<Box marginBottom={1}>
<Text color={colors.primary}>{logo}</Text>
</Box>
{/* Title */}
<Text color={colors.text} bold>Welcome to XO Wallet CLI</Text>
<Text color={colors.textMuted}>Enter your seed phrase or select a saved wallet</Text>
<Box marginY={1} />
<Box flexDirection='column' width={64}>
{/* ── Saved Wallets ─────────────────────────────────── */}
{mnemonicFiles.length > 0 && (
<Box flexDirection='column' marginBottom={1}>
<Box marginBottom={1}>
<Text color={colors.primary} bold>
{'▸ '}Saved Wallets
</Text>
<Text color={colors.textMuted}> ({mnemonicFiles.length})</Text>
</Box>
<Box
flexDirection='column'
borderStyle='single'
borderColor={focusedSection === 'files' ? colors.focus : colors.borderMuted}
paddingX={1}
>
{mnemonicFiles.map((entry, idx) => {
const isHighlighted = focusedSection === 'files' && idx === selectedFileIndex;
return (
<Box key={entry.filename} paddingY={0}>
<Text
color={isHighlighted ? colors.bg : colors.textMuted}
backgroundColor={isHighlighted ? colors.focus : undefined}
bold={isHighlighted}
>
{isHighlighted ? ' ▶ ' : ' '}
</Text>
<Text
color={isHighlighted ? colors.bg : colors.text}
backgroundColor={isHighlighted ? colors.focus : undefined}
bold={isHighlighted}
>
{` ${entry.label} `}
</Text>
<Text
color={isHighlighted ? colors.bg : colors.textMuted}
backgroundColor={isHighlighted ? colors.focus : undefined}
dimColor={!isHighlighted}
>
{` (${entry.filename})`}
</Text>
</Box>
);
})}
</Box>
{focusedSection === 'files' && (
<Box marginTop={0} paddingX={1}>
<Text color={colors.textMuted} dimColor>
navigate Enter: load wallet
</Text>
</Box>
)}
</Box>
)}
{/* ── Divider between sections ──────────────────────── */}
{mnemonicFiles.length > 0 && (
<Box marginBottom={1} justifyContent='center'>
<Text color={colors.borderMuted}>{'─'.repeat(20)} or {'─'.repeat(20)}</Text>
</Box>
)}
{/* ── Manual Seed Entry ─────────────────────────────── */}
<Text color={colors.primary} bold>
{'▸ '}Manual Entry
</Text>
<Box marginTop={1}>
<Text color={colors.text}>Seed Phrase (12 or 24 words):</Text>
</Box>
<Box
borderStyle='single'
borderColor={inputBorderColor}
paddingX={1}
marginTop={1}
>
<TextInput
value={seedPhrase}
onChange={setSeedPhrase}
onSubmit={handleSubmit}
placeholder='Enter your seed phrase...'
focus={focusedSection === 'input' && !isSubmitting}
/>
</Box>
{/* Save mnemonic checkbox (manual entry only; applies on Continue) */}
<Box
marginTop={1}
paddingX={1}
borderStyle='single'
borderColor={
focusedSection === 'saveCheckbox' ? colors.focus : colors.borderMuted
}
>
<Text
color={focusedSection === 'saveCheckbox' ? colors.focus : colors.text}
bold={focusedSection === 'saveCheckbox'}
>
{saveMnemonicChecked ? '[x] ' : '[ ] '}
</Text>
<Text color={colors.text}>Save this mnemonic</Text>
<Text color={colors.textMuted}> (~/.config/xo-cli/mnemonics/)</Text>
</Box>
{focusedSection === 'saveCheckbox' && (
<Box marginTop={0} paddingX={1}>
<Text color={colors.textMuted} dimColor>
Space / Enter: toggle
</Text>
</Box>
)}
{/* Status message */}
<Box marginTop={1} height={1}>
{statusMessage && (
<Text color={statusColor}>
{statusType === 'loading' && '⏳ '}
{statusType === 'error' && '✗ '}
{statusType === 'success' && '✓ '}
{statusMessage}
</Text>
)}
</Box>
{/* Submit button */}
<Box justifyContent='center' marginTop={1}>
<Button
label='Continue'
focused={focusedSection === 'button'}
disabled={isSubmitting}
shortcut='Enter'
/>
</Box>
</Box>
{/* Help text */}
<Box marginTop={2}>
<Text color={colors.textMuted} dimColor>
Tab: navigate Enter: submit, load wallet, or toggle save Space: toggle save Esc: back
</Text>
</Box>
</Box>
);
}