JS-module to create key registration message (msgpack) for your Metamask key.
Install wasm-pack.
Build: wasm-pack build --scope ubirch.
Pack npm package: wasm-pack pack.
See examples folder for Details on how to run the following html example locally:
<!DOCTYPE html>
<html lang="en">
<head>
<title>Metamask Key registration </title>
</head>
<body>
<p>Ubirch Metamask sign key registration message example. See log output!</span></p>
<script async type=module>
import init, { get_signed_key_registration_message } from './pkg/ubirch_metamask_key_register.js';
const isMetaMaskInstalled = () => {
const { ethereum } = window;
return Boolean(ethereum && ethereum.isMetaMask);
};
async function connectToMetamaskAndGetWalletAdress() {
const result = await window.ethereum.request({ method: "eth_requestAccounts" });
return result;
};
async function getKeyRegistrationMessage(wallet_address) {
await init();
// set your device ID here
const deviceId = "00010203-0405-0607-0809-0a0b0c0d0e0f";
return get_signed_key_registration_message(wallet_address, deviceId);
}
if (isMetaMaskInstalled) {
connectToMetamaskAndGetWalletAdress().then(function(value) {
console.log("Your wallet address: ", value[0]);
getKeyRegistrationMessage(value[0]).then(function(value) {
console.log("Key registration message: ", value);
// send key registration message to backend
const request = new XMLHttpRequest();
request.open("POST", "https://identity.dev.ubirch.com/api/keyService/v1/pubkey/mpack");
request.setRequestHeader("accept", "application/json");
request.setRequestHeader("Content-Type", "application/octet-stream");
request.send(Uint8Array.from(value.match(/.{1,2}/g).map((byte) => parseInt(byte, 16))));
request.onreadystatechange=(e) => {
console.log(request.responseText)
}
});
});
} else {
console.log("Metamask is not installed.");
}
</script>
</body>
</html>