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Merge pull request #97 from spacemeshos/feat-85-message-signing
Add message signing and verifying
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| import fileDownload from 'js-file-download'; | ||
| import { useState } from 'react'; | ||
| import { useForm } from 'react-hook-form'; | ||
|
|
||
| import { | ||
| Button, | ||
| Modal, | ||
| ModalBody, | ||
| ModalCloseButton, | ||
| ModalContent, | ||
| ModalFooter, | ||
| ModalHeader, | ||
| ModalOverlay, | ||
| Spacer, | ||
| Text, | ||
| Textarea, | ||
| } from '@chakra-ui/react'; | ||
|
|
||
| import useCopy from '../hooks/useCopy'; | ||
| import { useSignMessage } from '../hooks/useSigning'; | ||
| import usePassword from '../store/usePassword'; | ||
| import useWallet from '../store/useWallet'; | ||
| import { SignedMessage } from '../types/message'; | ||
| import { KeyPairType } from '../types/wallet'; | ||
| import { SIGNED_MESSAGE_PREFIX } from '../utils/constants'; | ||
| import { toHexString } from '../utils/hexString'; | ||
|
|
||
| type SignMessageModalProps = { | ||
| keyIndex: number; | ||
| isOpen: boolean; | ||
| onClose: () => void; | ||
| }; | ||
|
|
||
| function SignMessageModal({ | ||
| keyIndex, | ||
| isOpen, | ||
| onClose, | ||
| }: SignMessageModalProps): JSX.Element | null { | ||
| const { wallet } = useWallet(); | ||
| const signMessage = useSignMessage(); | ||
| const { withPassword } = usePassword(); | ||
| const { register, reset, handleSubmit } = useForm<{ message: string }>(); | ||
| const [signResult, setSignResult] = useState(''); | ||
| const { isCopied, onCopy } = useCopy(); | ||
|
|
||
| const keys = wallet?.keychain ?? []; | ||
| const key = keys[keyIndex]; | ||
| if (!key) return null; | ||
|
|
||
| const close = () => { | ||
| setSignResult(''); | ||
| reset(); | ||
| onClose(); | ||
| }; | ||
|
|
||
| const download = () => | ||
| fileDownload(signResult, `signed-message.json`, 'plain/text'); | ||
|
|
||
| const submit = handleSubmit(async ({ message }) => { | ||
| const result = await withPassword( | ||
| async (password) => { | ||
| if (key.type === KeyPairType.Hardware) { | ||
| // Sign using Ledger device | ||
| throw new Error('Hardware wallet is not supported yet'); | ||
| } | ||
| const text = `${SIGNED_MESSAGE_PREFIX}${message}`; | ||
| // Sign using local key | ||
| return JSON.stringify( | ||
| { | ||
| publicKey: key.publicKey, | ||
| text, | ||
| signature: toHexString( | ||
| await signMessage(text, key.publicKey, password) | ||
| ), | ||
| } satisfies SignedMessage, | ||
| null, | ||
| 2 | ||
| ); | ||
| }, | ||
| 'Sign message', | ||
| <> | ||
| Please enter your password to sign the message using key " | ||
| {key.displayName}"{' '} | ||
| <Text as="span" wordBreak="break-all"> | ||
| ({key.publicKey}) | ||
| </Text> | ||
| </> | ||
| ); | ||
| if (result) { | ||
| setSignResult(result); | ||
| } else { | ||
| setSignResult(''); | ||
| } | ||
| }); | ||
|
|
||
| return ( | ||
| <Modal isOpen={isOpen} onClose={close} isCentered> | ||
| <ModalOverlay /> | ||
| <ModalContent> | ||
| <ModalCloseButton /> | ||
| <ModalHeader textAlign="center">Sign message</ModalHeader> | ||
| {signResult ? ( | ||
| <> | ||
| <ModalBody> | ||
| <Text mb={4}> | ||
| Here is your message and the signature. You can copy them to the | ||
| clipboard and share with another party. | ||
| </Text> | ||
| <Textarea | ||
| readOnly | ||
| rows={10} | ||
| resize="none" | ||
| borderColor="brand.darkGreen" | ||
| value={signResult} | ||
| translate="no" | ||
| fontSize="xx-small" | ||
| /> | ||
| </ModalBody> | ||
| <ModalFooter gap={2}> | ||
| <Button | ||
| isDisabled={isCopied} | ||
| onClick={() => onCopy(signResult)} | ||
| variant="whiteModal" | ||
| w={20} | ||
| > | ||
| {isCopied ? 'Copied' : 'Copy'} | ||
| </Button> | ||
| <Button onClick={download} variant="whiteModal"> | ||
| Download | ||
| </Button> | ||
| <Spacer /> | ||
| <Button onClick={close} variant="whiteModal"> | ||
| Close | ||
| </Button> | ||
| </ModalFooter> | ||
| </> | ||
| ) : ( | ||
| <> | ||
| <ModalBody> | ||
| <Text mb={4} fontSize="sm"> | ||
| You are going to sign some text message using key " | ||
| {key.displayName}"{' '} | ||
| <Text as="span" wordBreak="break-all"> | ||
| ({key.publicKey}) | ||
| </Text> | ||
| : | ||
| </Text> | ||
| <Textarea | ||
| {...register('message', { | ||
| required: 'Message cannot be empty', | ||
| })} | ||
| rows={4} | ||
| resize="none" | ||
| borderColor="brand.darkGreen" | ||
| translate="no" | ||
| /> | ||
| <Text fontSize="xs" color="gray" mt={2}> | ||
| The signature will be generated using the private key. | ||
| <br /> | ||
| Another party may verify the message using your public key. | ||
| </Text> | ||
| </ModalBody> | ||
| <ModalFooter> | ||
| <Button onClick={submit} ml={2} variant="whiteModal"> | ||
| Sign message... | ||
| </Button> | ||
| </ModalFooter> | ||
| </> | ||
| )} | ||
| </ModalContent> | ||
| </Modal> | ||
| ); | ||
| } | ||
|
|
||
| export default SignMessageModal; |
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