@ledgerhq/coin-algorand/lib-es/logic.js

Ledger Algorand Coin integration

import { BigNumber } from "bignumber.js";
import algorandAPI from "./api";
export const ALGORAND_MAX_MEMO_SIZE = 32;
export const ALGORAND_MIN_ACCOUNT_BALANCE = 100000;
export const recipientHasAsset = async (recipientAddress, assetId) => {
    const recipientAccount = await algorandAPI.getAccount(recipientAddress);
    return recipientAccount.assets.map(a => a.assetId).includes(assetId);
};
export const isAmountValid = async (recipientAddress, amount) => {
    const recipientAccount = await algorandAPI.getAccount(recipientAddress);
    return recipientAccount.balance.isZero() ? amount.gte(ALGORAND_MIN_ACCOUNT_BALANCE) : true;
};
export const computeAlgoMaxSpendable = ({ accountBalance, nbAccountAssets, mode, }) => {
    const minBalance = computeMinimumAlgoBalance(mode, nbAccountAssets);
    const maxSpendable = accountBalance.minus(minBalance);
    return maxSpendable.gte(0) ? maxSpendable : new BigNumber(0);
};
const computeMinimumAlgoBalance = (mode, nbAccountAssets) => {
    const base = 100000; // 0.1 algo = 100000 malgo
    const currentAssets = nbAccountAssets;
    const newAsset = mode === "optIn" ? 1 : 0;
    return new BigNumber(base * (1 + currentAssets + newAsset));
};
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