Contract finder

contracts.js

//Look through the last 1000 blocks for contract addresses
var contractAddresses = [];
var blockNumber = eth.getBlock('latest').number;
console.log("Current block number: " + blockNumber);
for (var x = blockNumber; x > blockNumber - 1000; x--) {
   var transactions = eth.getBlock(x).transactions;
   var transactionsCount = transactions.length;
   if (transactionsCount != 0) {
      for (var y = 0; y < transactionsCount; y++) {
         var transactionReceipt = eth.getTransactionReceipt(transactions[y]);
         if (transactionReceipt.contractAddress !== null) {
            console.log(transactionReceipt.contractAddress + " in TX: " + transactions[y] + " (block: " + x + ")");
         }
      }
   }
}