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Splitting init to small files
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9 files changed

+645
-606
lines changed

9 files changed

+645
-606
lines changed

‎lib/account.js

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const querystring = require('querystring');
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module.exports = function(getRequest, apiKey) {
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return {
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/**
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* Returns the amount of Tokens a specific account owns.
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* @param {string} address - Contract address
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* @param {string} tokenname - Name of the token
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* @param {string} contractaddress - Contract address
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* @example
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* var supply = api.account.tokenbalance(
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* '0x4366ddc115d8cf213c564da36e64c8ebaa30cdbd',
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* 'DGD',
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* ''
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* );
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* @returns {Promise.<object>}
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*/
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tokenbalance(address, tokenname, contractaddress) {
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const module = 'account';
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const action = 'tokenbalance';
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const tag = 'latest';
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var queryObject = {
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module, action, apiKey, tag
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};
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if (contractaddress) {
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queryObject.contractaddress = contractaddress;
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}
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if (tokenname) {
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queryObject.tokenname = tokenname;
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}
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if (address) {
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queryObject.address = address;
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}
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var query = querystring.stringify(queryObject);
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return getRequest(query);
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},
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/**
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* Returns the balance of a sepcific account
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* @param {string} address - Address
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* @example
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* var balance = api.account.balance('0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae');
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* @returns {Promise.<object>}
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*/
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balance(address) {
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const module = 'account';
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let action = 'balance';
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const tag = 'latest';
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if (typeof address !== 'string' && address && address.length) {
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address = address.join(',');
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action = 'balancemulti';
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}
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var query = querystring.stringify({
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module, action, tag, address, apiKey
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});
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return getRequest(query);
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},
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/**
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* Get a list of internal transactions
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* @param {string} txhash - Transaction hash. If specified then address will be ignored
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* @param {string} address - Transaction address
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* @param {string} startblock - start looking here
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* @param {string} endblock - end looking there
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* @param {string} sort - Sort asc/desc
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* @example
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* var txlist = api.account.txlistinternal('0x40eb908387324f2b575b4879cd9d7188f69c8fc9d87c901b9e2daaea4b442170');
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* @returns {Promise.<object>}
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*/
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txlistinternal(txhash, address, startblock, endblock, sort) {
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const module = 'account';
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const action = 'txlistinternal';
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var queryObject = {
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module,
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action,
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apiKey
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};
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if (!startblock) {
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startblock = 0;
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}
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if (!endblock) {
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endblock = 'latest';
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}
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if (!sort) {
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sort = 'asc';
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}
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if (txhash) {
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queryObject.txhash = txhash;
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} else {
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queryObject.address = address;
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}
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queryObject.txhash = txhash;
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return getRequest(querystring.stringify(queryObject));
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},
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/**
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* Get a list of transactions for a specfic address
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* @param {string} address - Transaction address
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* @param {string} startblock - start looking here
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* @param {string} endblock - end looking there
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* @param {string} sort - Sort asc/desc
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* @example
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* var txlist = api.account.txlist('0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae', 1, 'latest', 'asc');
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* @returns {Promise.<object>}
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*/
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txlist(address, startblock, endblock, sort) {
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const module = 'account';
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const action = 'txlist';
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if (!startblock) {
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startblock = 0;
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}
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if (!endblock) {
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endblock = 'latest';
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}
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if (!sort) {
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sort = 'asc';
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}
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var query = querystring.stringify({
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module, action, startblock, endblock, sort, address, apiKey
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});
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return getRequest(query);
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},
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/**
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* Get a list of blocks that a specific account has mineds
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* @example
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* var txlist = api.account.getminedblocks('0x9dd134d14d1e65f84b706d6f205cd5b1cd03a46b');
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* @param {string} address - Transaction hash
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*/
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getminedblocks(address) {
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const module = 'account';
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const action = 'getminedblocks';
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var query = querystring.stringify({
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module, action, address, apiKey
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});
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return getRequest(query);
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}
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};
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};

‎lib/block.js

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const querystring = require('querystring');
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module.exports = function(getRequest, apiKey) {
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return {
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/**
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* Find the block reward for a given address and block
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* @param {string} address - Address of the block
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* @param {string} blockno - Block number
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* @returns {Promise.<object>}
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*/
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getblockreward(address, blockno) {
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const module = 'block';
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const action = 'getblockreward';
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if (!blockno) {
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blockno = 0;
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}
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var query = querystring.stringify({
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module, action, address, blockno, apiKey
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});
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return getRequest(query);
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}
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};
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};

‎lib/contract.js

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const querystring = require('querystring');
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module.exports = function(getRequest, apiKey) {
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return {
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/**
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* Returns the ABI/Interface of a given contract
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* @param {string} address - Contract address
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* @example
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* api.contract
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* .getabi('0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359')
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* .at('0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359')
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* .memberId('0xfb6916095ca1df60bb79ce92ce3ea74c37c5d359')
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* .then(console.log)
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* @returns {Promise.<object>}
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*/
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getabi(address) {
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const module = 'contract';
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const action = 'getabi';
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var query = querystring.stringify({
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module, action, address, apiKey
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});
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return getRequest(query);
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}
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};
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};

‎lib/get-request.js

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const axios = require('axios');
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/**
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* @param {string} chain
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* @returns {string}
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*/
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function pickChainUrl(chain) {
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if (!chain || !TESTNET_API_URL_MAP[chain]) {
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return MAIN_API_URL;
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}
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return TESTNET_API_URL_MAP[chain];
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}
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const MAIN_API_URL = 'https://api.etherscan.io';
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const TESTNET_API_URL_MAP = {
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ropsten: 'http://api-ropsten.etherscan.io',
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kovan: 'http://api-kovan.etherscan.io',
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rinkeby: 'https://api-rinkeby.etherscan.io',
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homestead: 'https://api.etherscan.io'
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};
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module.exports = function(chain) {
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var client = axios.create({
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baseURL: pickChainUrl(chain),
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timeout: 3000
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});
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/**
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* @param query
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* @returns {Promise<any>}
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*/
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function getRequest(query) {
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return new Promise(function(resolve, reject) {
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client.get('/api?' + query).then(function(response) {
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var data = response.data;
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if (data.status && data.status != 1) {
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return reject(data.message);
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}
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if (data.error) {
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return reject(new Error(data.error));
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}
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resolve(data);
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}).catch(function(error) {
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return reject(new Error(error));
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});
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});
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}
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return getRequest;
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};

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