Find DAO burn transactions

findTransactions.js

var Web3 = require('web3');
var net = require('net');
var fs = require('fs');
var async = require('async');
var client = net.Socket();
var web3 = new Web3(new Web3.providers.IpcProvider("/root/.ethereum/geth.ipc", client));

var daoAddr = '0xbb9bc244d798123fde783fcc1c72d3bb8c189413';

var knownAttackers = {"0x969837498944ae1dc0dcac2d0c65634c88729b2d": true, "0xf35e2cc8e6523d683ed44870f5b7cc785051a77d": true, "0xe500732effa4922a97671cd310c613ba88c32315": true, "0x
a70d9810eda6e14810593270a8d57e3965bf890e": true, "0xfc4746b3f38f029737608315d63d17f7e867ed35": true, "0xac80cba14c08f8a1242ebd0fd45881cfee54b0a2": true, "0x15def77337168d707e47e68ab
9f7f6c17126b562": true, "0x13c7c27ea7ee89ec6607965b6f357b0109bc98b4": true, "0x5b7c73a41cd3a40364861e215a4dd7b2b7dfe196": true, "0x1dba1131000664b884a1ba238464159892252d3a": true};

var currentBlock = firstBlock = 1600460; 	// block of first proposal
//var currentBlock = firstBlock = 1641000; 	// skip ahead to first Transfer event
var lastBlock = 1865388; //** update this

var transactions = []

var transferEventSig = web3.sha3('Transfer(address,address,uint256)');
async.whilst(
	function() { return currentBlock < lastBlock; },
	function(callback) {
		if (currentBlock % 1000 == 0) {
			console.log(currentBlock);
			fs.writeFileSync('relevantTransactions.json', JSON.stringify(transactions));
		}

		web3.eth.getBlock(currentBlock++, function(err, block) {
			async.each(block.transactions, function(tx, cb) {
				web3.eth.getTransactionReceipt(tx, function(err, txr) {
					txr.burns = txr.logs.filter(function(l) { return l.address === daoAddr && l.topics[0] === transferEventSig && web3.toBigNumber(l.topics[2]).e
q(0)}).length;
					txr.transfers = txr.logs.filter(function(l) { return l.address === daoAddr && l.topics[0] === transferEventSig}).length;
					if (txr.burns) transactions.push(txr);
					cb(err);
				});
			}, function(err) {
				callback(err);
			});
		});
	},
	function(err, n) {
		console.log('transactions count', transactions.length);
		fs.writeFileSync('relevantTransactions.json', JSON.stringify(transactions));
	}
);