@ledgerhq/coin-celo/lib/bridge/prepareTransaction.js

celo coin integration

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.prepareTransaction = void 0;
const bignumber_js_1 = __importDefault(require("bignumber.js"));
const address_1 = require("@celo/utils/lib/address");
const getFeesForTransaction_1 = __importDefault(require("./getFeesForTransaction"));
const index_1 = require("@ledgerhq/coin-framework/account/index");
const constants_1 = require("../constants");
const sdk_1 = require("../network/sdk");
const prepareTransaction = async (account, transaction) => {
    const kit = (0, sdk_1.celoKit)();
    if (transaction.recipient && !(0, address_1.isValidAddress)(transaction.recipient))
        return transaction;
    if (["send", "vote"].includes(transaction.mode) && !transaction.recipient)
        return transaction;
    if (transaction.mode === "vote" &&
        !transaction.useAllAmount &&
        new bignumber_js_1.default(transaction.amount).lte(0))
        return transaction;
    const fees = await (0, getFeesForTransaction_1.default)({ account, transaction });
    const tokenAccount = (0, index_1.findSubAccountById)(account, transaction.subAccountId || "");
    const isTokenTransaction = tokenAccount?.type === "TokenAccount";
    const amount = transaction.useAllAmount && isTokenTransaction ? tokenAccount.balance : transaction.amount;
    let token;
    if (isTokenTransaction) {
        if (constants_1.CELO_STABLE_TOKENS.includes(tokenAccount.token.id)) {
            token = await kit.contracts.getStableToken();
        }
        else {
            token = await kit.contracts.getErc20(tokenAccount.token.contractAddress);
        }
    }
    else {
        token = await kit.contracts.getGoldToken();
    }
    const block = await kit.connection.web3.eth.getBlock("latest");
    const baseFee = BigInt(block.baseFeePerGas || constants_1.MAX_PRIORITY_FEE_PER_GAS);
    const maxFeePerGas = baseFee + constants_1.MAX_PRIORITY_FEE_PER_GAS;
    return {
        ...transaction,
        amount,
        fees,
        maxFeePerGas: maxFeePerGas.toString(),
        maxPriorityFeePerGas: await kit.connection.getMaxPriorityFeePerGas(),
        ...(isTokenTransaction
            ? {
                data: Buffer.from(token.transfer(transaction.recipient, amount.toFixed()).txo.encodeABI()),
            }
            : {}),
    };
};
exports.prepareTransaction = prepareTransaction;
exports.default = exports.prepareTransaction;
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