@chainsafe/filsnap-adapter
Version:
Adapter for installing Filsnap
132 lines • 8.4 kB
JavaScript
;
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exports.__esModule = true;
exports.enableFilecoinSnap = exports.isSnapInstalled = exports.isMetamaskSnapsSupported = exports.hasMetaMask = exports.MetamaskFilecoinSnap = void 0;
var utils_1 = require("./utils");
var snap_1 = require("./snap");
var defaultSnapOrigin = "npm:@chainsafe/polkadot-snap";
var snap_2 = require("./snap");
__createBinding(exports, snap_2, "MetamaskFilecoinSnap");
var utils_2 = require("./utils");
__createBinding(exports, utils_2, "hasMetaMask");
__createBinding(exports, utils_2, "isMetamaskSnapsSupported");
__createBinding(exports, utils_2, "isSnapInstalled");
/**
* Install and enable Filecoin snap
*
* Checks for existence of Metamask and version compatibility with snaps before installation.
*
* Provided snap configuration must define at least network property so predefined configuration can be selected.
* All other properties are optional, and if present will overwrite predefined property.
*
* @param config - SnapConfig
* @param snapOrigin
*
* @return MetamaskFilecoinSnap - adapter object that exposes snap API
*/
function enableFilecoinSnap(config, snapOrigin, snapInstallationParams) {
if (snapInstallationParams === void 0) { snapInstallationParams = {}; }
return __awaiter(this, void 0, void 0, function () {
var snapId, isInstalled, snap;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
snapId = snapOrigin !== null && snapOrigin !== void 0 ? snapOrigin : defaultSnapOrigin;
// check all conditions
if (!utils_1.hasMetaMask()) {
throw new Error("Metamask is not installed");
}
return [4 /*yield*/, utils_1.isMetamaskSnapsSupported()];
case 1:
if (!(_b.sent())) {
throw new Error("Current Metamask version doesn't support snaps");
}
if (!config.network) {
throw new Error("Configuration must at least define network type");
}
return [4 /*yield*/, utils_1.isSnapInstalled(snapId)];
case 2:
isInstalled = _b.sent();
if (!!isInstalled) return [3 /*break*/, 4];
// // enable snap
return [4 /*yield*/, window.ethereum.request({
method: "wallet_requestSnaps",
params: (_a = {},
_a[snapId] = __assign({}, snapInstallationParams),
_a)
})];
case 3:
// // enable snap
_b.sent();
_b.label = 4;
case 4:
snap = new snap_1.MetamaskFilecoinSnap(snapOrigin || defaultSnapOrigin);
return [4 /*yield*/, snap.getFilecoinSnapApi()];
case 5:
// set initial configuration
return [4 /*yield*/, (_b.sent()).configure(config)];
case 6:
// set initial configuration
_b.sent();
// return snap object
return [2 /*return*/, snap];
}
});
});
}
exports.enableFilecoinSnap = enableFilecoinSnap;
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