@bigmi/client
Version:
Reactive primitives for Bitcoin apps.
148 lines (147 loc) • 6.12 kB
JavaScript
import { ChainNotSupportedError } from "../errors/connectors.js";
import { createConnector } from "../factories/createConnector.js";
import { createBidirectionalMap } from "../utils/createBidirectionalMap.js";
import { ChainId, MethodNotSupportedRpcError, ProviderNotFoundError, UserRejectedRequestError, getAddressInfo } from "@bigmi/core";
//#region src/connectors/binance.ts
function binance(parameters = {}) {
const { forward: BinanceBitcoinNetworkChainIdMap, reverse: ReverseChainIdMap } = createBidirectionalMap([
["livenet", ChainId.BITCOIN_MAINNET],
["testnet", ChainId.BITCOIN_TESTNET],
["signet", ChainId.BITCOIN_SIGNET]
]);
const { shimDisconnect = true } = parameters;
let accountsChanged;
let chainChanged;
return createConnector((config) => ({
id: "binance",
name: "Binance",
type: binance.type,
icon: "data:image/svg+xml;base64,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",
async setup() {},
async getInternalProvider() {
if (typeof window === "undefined") return;
if ("binancew3w" in window) return window.binancew3w.bitcoin;
if ("unisat" in window) {
const anyWindow = window;
if (anyWindow.unisat.isBinance) return anyWindow.unisat;
}
},
async getProvider() {
const internalProvider = await this.getInternalProvider();
if (!internalProvider) return;
return { request: this.request.bind(internalProvider) };
},
async request({ method, params }) {
switch (method) {
case "signPsbt": {
const { psbt, ...options } = params;
const toSignInputs = options.inputsToSign.flatMap(({ sigHash, address, signingIndexes }) => signingIndexes.map((index) => ({
index,
address,
sighashTypes: sigHash !== void 0 ? [sigHash] : void 0
})));
return await this.signPsbt(psbt, {
toSignInputs,
autoFinalized: options.finalize
});
}
default: throw new MethodNotSupportedRpcError();
}
},
async connect() {
const provider = await this.getInternalProvider();
if (!provider) throw new ProviderNotFoundError();
try {
await provider.requestAccounts();
const accounts = await this.getAccounts();
const chainId = await this.getChainId();
if (!accountsChanged) {
accountsChanged = this.onAccountsChanged.bind(this);
provider.addListener("accountsChanged", accountsChanged);
}
if (!chainChanged) {
chainChanged = (network) => this.onChainChanged(BinanceBitcoinNetworkChainIdMap[network]);
provider.addListener("networkChanged", chainChanged);
}
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 = void 0;
}
if (chainChanged) {
provider?.removeListener("networkChanged", chainChanged);
chainChanged = void 0;
}
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 address = (await provider.getAccounts())[0];
const publicKey = await provider.getPublicKey();
const { type, purpose } = getAddressInfo(address);
return [{
address,
addressType: type,
publicKey,
purpose
}];
},
async getChainId() {
const provider = await this.getInternalProvider();
if (!provider) throw new ProviderNotFoundError();
return BinanceBitcoinNetworkChainIdMap[await provider.getNetwork()];
},
async isAuthorized() {
try {
if (shimDisconnect && await config.storage?.getItem(`${this.id}.disconnected`)) return false;
return !!(await this.getAccounts()).length;
} catch {
return false;
}
},
async switchChain({ chainId }) {
try {
const provider = await this.getInternalProvider();
if (!provider) throw new ProviderNotFoundError();
const network = ReverseChainIdMap[chainId];
if (!network) throw new ChainNotSupportedError(chainId, binance.name);
const result = await provider.switchNetwork(network);
return Boolean(result);
} catch {
return false;
}
},
async onAccountsChanged(accounts) {
if (accounts.length === 0) this.onDisconnect();
else {
const newAccounts = await this.getAccounts();
config.emitter.emit("change", { accounts: newAccounts });
}
},
async onChainChanged(chainId) {
const accounts = await this.getAccounts();
config.emitter.emit("change", {
chainId,
accounts
});
},
async onDisconnect(_error) {
config.emitter.emit("disconnect");
}
}));
}
binance.type = "UTXO";
//#endregion
export { binance };
//# sourceMappingURL=binance.js.map