@ledgerhq/coin-ton/lib-es/__tests__/unit/estimateMaxSpendable.unit.test.js

Ton Coin integration

import { estimateFee, fetchAccountInfo } from "../../bridge/bridgeHelpers/api";
import estimateMaxSpendable from "../../estimateMaxSpendable";
import { account, accountInfo, fees, jettonTransaction, tokenAccount, totalFees, transaction, } from "../fixtures/common.fixtures";
jest.mock("../../bridge/bridgeHelpers/api");
describe("estimateMaxSpendable", () => {
    beforeAll(() => {
        const fetchAccountInfoMock = jest.mocked(fetchAccountInfo);
        fetchAccountInfoMock.mockReturnValue(Promise.resolve(accountInfo));
        const fetchEstimateFeeMock = jest.mocked(estimateFee);
        fetchEstimateFeeMock.mockReturnValue(Promise.resolve(fees));
    });
    it("should return the max spendable for a TON transaction", async () => {
        const res = await estimateMaxSpendable({ account, transaction });
        expect(res).toEqual(account.balance.minus(totalFees));
    });
    it("should return the max spendable for a jetton transfer", async () => {
        const res = await estimateMaxSpendable({
            account: tokenAccount,
            parentAccount: account,
            transaction: jettonTransaction,
        });
        expect(res).toEqual(tokenAccount.spendableBalance);
    });
});
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