forked from cerc-io/laconic-wallet
150f10b91f
* Connect with dapp using WalletConnect * Pair dapp with wallet * Sign message taken from dapp and return the signature * Add todos * Move wallet connect functions to seperate screen * Change ui * Change ui for wc modals * Add styles * Remove border radius at the bottom * Make review changes * Add dependancy to useEffect * Move pairing modal methods --------- Co-authored-by: Adw8 <adwait@deepstacksoft.com>
107 lines
2.5 KiB
TypeScript
107 lines
2.5 KiB
TypeScript
// Taken from https://medium.com/walletconnect/how-to-build-a-wallet-in-react-native-with-the-web3wallet-sdk-b6f57bf02f9a
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import { EIP155_CHAINS, TEIP155Chain } from './EIP155Lib';
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import { utils } from 'ethers';
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/**
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* Truncates string (in the middle) via given lenght value
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*/
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export function truncate(value: string, length: number) {
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if (value?.length <= length) {
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return value;
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}
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const separator = '...';
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const stringLength = length - separator.length;
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const frontLength = Math.ceil(stringLength / 2);
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const backLength = Math.floor(stringLength / 2);
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return (
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value.substring(0, frontLength) +
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separator +
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value.substring(value.length - backLength)
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);
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}
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/**
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* Converts hex to utf8 string if it is valid bytes
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*/
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export function convertHexToUtf8(value: string) {
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if (utils.isHexString(value)) {
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return utils.toUtf8String(value);
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}
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return value;
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}
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/**
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* Gets message from various signing request methods by filtering out
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* a value that is not an address (thus is a message).
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* If it is a hex string, it gets converted to utf8 string
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*/
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export function getSignParamsMessage(params: string[]) {
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const message = params.filter(p => !utils.isAddress(p))[0];
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return convertHexToUtf8(message);
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}
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/**
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* Gets data from various signTypedData request methods by filtering out
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* a value that is not an address (thus is data).
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* If data is a string convert it to object
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*/
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export function getSignTypedDataParamsData(params: string[]) {
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const data = params.filter(p => !utils.isAddress(p))[0];
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if (typeof data === 'string') {
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return JSON.parse(data);
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}
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return data;
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}
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/**
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* Get our address from params checking if params string contains one
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* of our wallet addresses
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*/
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export function getWalletAddressFromParams(addresses: string[], params: any) {
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const paramsString = JSON.stringify(params);
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let address = '';
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addresses.forEach(addr => {
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if (paramsString.includes(addr)) {
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address = addr;
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}
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});
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return address;
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}
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/**
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* Check if chain is part of EIP155 standard
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*/
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export function isEIP155Chain(chain: string) {
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return chain.includes('eip155');
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}
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/**
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* Check if chain is part of COSMOS standard
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*/
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export function isCosmosChain(chain: string) {
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return chain.includes('cosmos');
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}
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/**
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* Check if chain is part of SOLANA standard
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*/
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export function isSolanaChain(chain: string) {
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return chain.includes('solana');
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}
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/**
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* Formats chainId to its name
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*/
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export function formatChainName(chainId: string) {
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return EIP155_CHAINS[chainId as TEIP155Chain]?.name ?? chainId;
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}
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