blockchain-api/dist/modules/blocks/exporters.js

API utilities for interacting with the Exatechl2 blockchain

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.formatBlockForJsonExport = formatBlockForJsonExport;
exports.getBlockCsvHeaders = getBlockCsvHeaders;
exports.formatBlockForCsvExport = formatBlockForCsvExport;
exports.formatBlockDataForExport = formatBlockDataForExport;
const formatters_1 = require("../../utils/formatters");
/**
 *
 * @param {FormattedBlock} block
 * @returns {Object}
 */
function formatBlockForJsonExport(block) {
    return {
        blockNumber: block.number,
        blockHash: block.hash || '',
        timestamp: (0, formatters_1.parseBlockchainTimestamp)(block.timestamp).toISOString(),
        status: block.status,
        transactions: block.txCount,
        size: block.size,
        gasUsed: block.gasUsed,
        gasLimit: block.gasLimit,
        validator: block.validator || '',
        parentHash: block.parentHash || '',
        rootHash: block.rootHash || '',
        extraData: block.extraData || '',
        baseFeePerGas: block.baseFee || '',
        l1BlockNumber: block.l1BlockNumber || null,
        logsBloom: block.logsBloom || '',
        difficulty: block.difficulty || '',
        mixHash: block.mixHash || '',
        nonce: block.nonce || '',
        sha3Uncles: block.sha3Uncles || '',
        totalDifficulty: block.totalDifficulty || '',
        sendCount: block.sendCount || '',
        sendRoot: block.sendRoot || '',
        stateRoot: block.stateRoot || '',
        receiptsRoot: block.receiptsRoot || ''
    };
}
/**
 *
 * @returns {string}
 */
function getBlockCsvHeaders() {
    return 'Block Number,Timestamp,Status,Transactions,Size,Gas Used,Gas Limit,Validator,Parent Hash,Root Hash,L1 Block Number,Logs Bloom,Difficulty,Mix Hash,Nonce,Sha3 Uncles,Total Difficulty,Send Count,Send Root,State Root,Receipts Root';
}
/**
 *
 * @param {FormattedBlock} block
 * @returns {string}
 */
function formatBlockForCsvExport(block) {
    const row = [
        block.numberDecimal,
        (0, formatters_1.parseBlockchainTimestamp)(block.timestamp).toISOString(),
        block.status,
        block.txCount,
        block.size,
        block.gasUsed,
        block.gasLimit,
        block.validator || '',
        block.parentHash || '',
        block.rootHash || '',
        block.l1BlockNumber || '',
        block.logsBloom || '',
        block.difficulty || '',
        block.mixHash || '',
        block.nonce || '',
        block.sha3Uncles || '',
        block.totalDifficulty || '',
        block.sendCount || '',
        block.sendRoot || '',
        block.stateRoot || '',
        block.receiptsRoot || ''
    ];
    return row.map(field => {
        if (field === null || field === undefined)
            return '';
        const str = String(field);
        return str.includes(',') ? `"${str}"` : str;
    }).join(',');
}
/**
 *
 * @param {FormattedBlock} block
 * @param {string} format
 * @returns {ExportResult}
 */
function formatBlockDataForExport(block, format) {
    if (format === 'json') {
        const jsonData = formatBlockForJsonExport(block);
        if (block.transactions && Array.isArray(block.transactions)) {
            jsonData.transactionsPreview = block.transactions.slice(0, 5).map(tx => ({
                hash: tx.hash,
                from: tx.from,
                to: tx.to,
                value: tx.value,
                status: tx.status
            }));
        }
        return {
            content: JSON.stringify(jsonData, null, 2),
            filename: `block-${block.numberDecimal}.json`,
            dataType: 'application/json'
        };
    }
    else if (format === 'csv') {
        const headers = getBlockCsvHeaders();
        const row = formatBlockForCsvExport(block);
        return {
            content: `${headers}\n${row}`,
            filename: `block-${block.numberDecimal}.csv`,
            dataType: 'text/csv'
        };
    }
    else {
        throw new Error('Unsupported export format');
    }
}