27 lines
887 B
JavaScript
27 lines
887 B
JavaScript
|
export const ethereum = () => window.ethereum;
|
||
|
|
|
||
|
|
export const hasEthereum = () => Boolean(ethereum());
|
||
|
|
|
||
|
|
// Requests an Ethereum wallet from the browser
|
||
|
|
// Returns a Promise containing the Ethereum wallet address (string).
|
||
|
|
export const getWallet = () => {
|
||
|
|
return ethereum().request({ method: 'eth_requestAccounts' })
|
||
|
|
.then(wallets => wallets[0]);
|
||
|
|
};
|
||
|
|
|
||
|
|
// Asks the browser to sign a message with Ethereum.
|
||
|
|
// Returns a Promise containing the signature (string).
|
||
|
|
export const signMessage = (wallet, message) => {
|
||
|
|
return ethereum().request({ method: 'personal_sign', params: [message, wallet] });
|
||
|
|
};
|
||
|
|
|
||
|
|
// Combines the above functions.
|
||
|
|
// Returns an object with the `wallet` and `signature`
|
||
|
|
export const getWalletAndSign = message => {
|
||
|
|
return getWallet().then(wallet => {
|
||
|
|
return signMessage(wallet, message).then(signature => {
|
||
|
|
return { wallet, signature };
|
||
|
|
});
|
||
|
|
});
|
||
|
|
};
|