@funded-labs/dab-js
Version:
JS adapter for DAB
94 lines (93 loc) • 3.85 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const methods_1 = require("./methods");
const principal_1 = require("@dfinity/principal");
const getMetadata = (actor) => __awaiter(void 0, void 0, void 0, function* () {
var _a;
const metadataResult = yield actor._icrc1_metadata();
const symbol = yield actor._icrc1_symbol();
const decimals = yield actor._icrc1_decimals();
const name = yield actor._icrc1_name();
const fee = yield actor._icrc1_fee();
const totalSupply = yield actor._icrc1_total_supply();
const mintingAccount = yield actor._icrc1_minting_account();
const logo = (_a = metadataResult.find(([name]) => name === 'icrc1:logo')) === null || _a === void 0 ? void 0 : _a[1];
const owner = !mintingAccount[0]
? principal_1.Principal.anonymous()
: mintingAccount[0].owner;
return {
fungible: {
symbol,
decimals,
name,
fee,
totalSupply,
logo: (logo === null || logo === void 0 ? void 0 : logo['Text']) || '',
owner,
},
};
});
const getBalance = (actor, user) => __awaiter(void 0, void 0, void 0, function* () {
try {
const balance = yield actor._icrc1_balance_of({
owner: user,
subaccount: [],
});
return { value: balance.toString(), decimals: 8 };
}
catch (e) {
return {
value: 'Error',
decimals: 8,
error: `Error while fetching your balance: ${e.message}`,
};
}
});
const send = (actor, { to, amount, opts }) => __awaiter(void 0, void 0, void 0, function* () {
const metadata = yield getMetadata(actor);
const { fee = 0.002, decimals = BigInt(8) } = (metadata === null || metadata === void 0 ? void 0 : metadata.fungible) || {};
const defaultArgs = {
fee,
memo: [],
subaccount: [],
};
const response = yield actor._icrc1_transfer({
to: {
owner: principal_1.Principal.fromText(to),
subaccount: (opts === null || opts === void 0 ? void 0 : opts.to_subaccount) || defaultArgs.subaccount,
},
fee: [(opts === null || opts === void 0 ? void 0 : opts.fee) ? BigInt(opts === null || opts === void 0 ? void 0 : opts.fee) : BigInt(defaultArgs.fee)],
memo: [opts.memo ? [Number(opts.memo)] : defaultArgs.memo],
from_subaccount: [],
created_at_time: [],
amount,
});
if (response['Err']) {
return Promise.reject(response['Err']);
}
return { height: response['Ok'].toString() };
});
const burnXTC = (_actor, _params) => __awaiter(void 0, void 0, void 0, function* () {
throw new Error('BURN NOT SUPPORTED');
});
const approve = (_actor, _params) => __awaiter(void 0, void 0, void 0, function* () {
throw new Error('APPROVE NOT SUPPORTED');
});
const getDecimals = (actor) => __awaiter(void 0, void 0, void 0, function* () { return (0, methods_1.getDecimalsFromMetadata)(yield getMetadata(actor)); });
exports.default = {
getMetadata,
getBalance,
send,
burnXTC,
getDecimals,
approve,
};