@bigmi/client
Version:
Reactive primitives for Bitcoin apps.
141 lines • 7.14 kB
JavaScript
import { MethodNotSupportedRpcError, ProviderNotFoundError, UserRejectedRequestError, } from '@bigmi/core';
import { createConnector } from '../factories/createConnector.js';
phantom.type = 'UTXO';
export function phantom(parameters = {}) {
const { chainId, shimDisconnect = true } = parameters;
let accountsChanged;
return createConnector((config) => ({
id: 'app.phantom.bitcoin',
name: 'Phantom',
type: phantom.type,
icon: 'data:image/svg+xml;base64,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',
async setup() {
//
},
async getInternalProvider() {
if (typeof window === 'undefined') {
return;
}
if ('phantom' in window) {
const anyWindow = window;
const internalProvider = anyWindow.phantom?.bitcoin;
if (internalProvider?.isPhantom) {
return internalProvider;
}
}
// TODO: https://docs.phantom.app/phantom-deeplinks/deeplinks-ios-and-android
},
async getProvider() {
const internalProvider = await this.getInternalProvider();
if (!internalProvider) {
return;
}
const provider = {
request: this.request.bind(internalProvider),
};
return provider;
},
async request({ method, params }) {
switch (method) {
case 'signPsbt': {
const { psbt, ...options } = params;
const psbtUint8Array = new Uint8Array(psbt.match(/.{1,2}/g).map((byte) => Number.parseInt(byte, 16)));
const signedPsbt = await this.signPSBT(psbtUint8Array, {
inputsToSign: options.inputsToSign,
finalize: options.finalize,
});
const signedPsbtHex = Array.from(signedPsbt, (byte) => byte.toString(16).padStart(2, '0')).join('');
return signedPsbtHex;
}
default:
throw new MethodNotSupportedRpcError(method);
}
},
async connect() {
const provider = await this.getInternalProvider();
if (!provider) {
throw new ProviderNotFoundError();
}
try {
const accounts = await this.getAccounts();
const chainId = await this.getChainId();
if (!accountsChanged) {
accountsChanged = this.onAccountsChanged.bind(this);
provider.on('accountsChanged', accountsChanged);
}
// Remove disconnected shim if it exists
if (shimDisconnect) {
await Promise.all([
config.storage?.setItem(`${this.id}.connected`, true),
config.storage?.removeItem(`${this.id}.disconnected`),
]);
}
return { accounts, chainId };
}
catch (error) {
throw new UserRejectedRequestError(error.message);
}
},
async disconnect() {
const provider = await this.getInternalProvider();
if (accountsChanged) {
provider?.removeListener('accountsChanged', accountsChanged);
accountsChanged = undefined;
}
// Add shim signalling connector is disconnected
if (shimDisconnect) {
await Promise.all([
config.storage?.setItem(`${this.id}.disconnected`, true),
config.storage?.removeItem(`${this.id}.connected`),
]);
}
},
async getAccounts() {
const provider = await this.getInternalProvider();
if (!provider) {
throw new ProviderNotFoundError();
}
const accounts = await provider.requestAccounts();
return accounts
.filter((account) => account.purpose === 'payment')
.map((account) => account.address);
},
async getChainId() {
return chainId;
},
async isAuthorized() {
try {
const isConnected = shimDisconnect &&
// If shim exists in storage, connector is disconnected
Boolean(await config.storage?.getItem(`${this.id}.connected`));
return isConnected;
}
catch {
return false;
}
},
async onAccountsChanged(accounts) {
if (accounts.length === 0) {
this.onDisconnect();
}
else {
config.emitter.emit('change', {
accounts: accounts
.filter((account) => account.purpose === 'payment')
.map((account) => account.address),
});
}
},
onChainChanged(chain) {
const chainId = Number(chain);
config.emitter.emit('change', { chainId });
},
async onDisconnect(_error) {
// No need to remove `${this.id}.disconnected` from storage because `onDisconnect` is typically
// only called when the wallet is disconnected through the wallet's interface, meaning the wallet
// actually disconnected and we don't need to simulate it.
config.emitter.emit('disconnect');
},
}));
}
//# sourceMappingURL=phantom.js.map