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use mempool spent index

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This commit is contained in:
Patrick Nagurny 2015-09-17 15:41:05 -04:00
parent 8b1a2aa001
commit bc39a5e480
1 changed files with 17 additions and 7 deletions
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24
lib/services/address/index.js
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@ -28,6 +28,7 @@ var AddressService = function(options) {
this.mempoolOutputIndex = {}; this.mempoolOutputIndex = {};
this.mempoolInputIndex = {}; this.mempoolInputIndex = {};
this.mempoolSpentIndex = {};
}; };
@ -177,6 +178,11 @@ AddressService.prototype.updateMempoolIndex = function(tx) {
for (var inputIndex = 0; inputIndex < inputLength; inputIndex++) { for (var inputIndex = 0; inputIndex < inputLength; inputIndex++) {
var input = tx.inputs[inputIndex]; var input = tx.inputs[inputIndex];
// Update spent index
var spentIndexKey = [input.prevTxId.toString('hex'), input.outputIndex].join('-');
this.mempoolSpentIndex[spentIndexKey] = true;
var address = input.script.toAddress(this.node.network); var address = input.script.toAddress(this.node.network);
if (!address) { if (!address) {
continue; continue;
@ -198,6 +204,7 @@ AddressService.prototype.resetMempoolIndex = function(callback) {
var transactionBuffers = self.node.services.bitcoind.getMempoolTransactions(); var transactionBuffers = self.node.services.bitcoind.getMempoolTransactions();
this.mempoolInputIndex = {}; this.mempoolInputIndex = {};
this.mempoolOutputIndex = {}; this.mempoolOutputIndex = {};
this.mempoolSpentIndex = {};
async.each(transactionBuffers, function(txBuffer, next) { async.each(transactionBuffers, function(txBuffer, next) {
var tx = Transaction().fromBuffer(txBuffer); var tx = Transaction().fromBuffer(txBuffer);
self.updateMempoolIndex(tx); self.updateMempoolIndex(tx);
@ -894,8 +901,9 @@ AddressService.prototype.getAddressSummary = function(address, options, callback
var outputs; var outputs;
var inputs; var inputs;
var mempoolInputs;
async.waterfall( async.series(
[ [
function(next) { function(next) {
if(options.noTxList) { if(options.noTxList) {
@ -928,23 +936,25 @@ AddressService.prototype.getAddressSummary = function(address, options, callback
var txids = []; var txids = [];
for(var i = 0; i < outputs.length; i++) { for(var i = 0; i < outputs.length; i++) {
var spent = self.node.services.bitcoind.isSpent(outputs[i].txid, outputs[i].outputIndex); // Bitcoind's isSpent at the moment only works for confirmed transactions
var spentConfirmed = true; // TODO var spentDB = self.node.services.bitcoind.isSpent(outputs[i].txid, outputs[i].outputIndex);
var spentIndexKey = [outputs[i].txid, outputs[i].outputIndex].join('-');
var spentMempool = self.mempoolSpentIndex[spentIndexKey];
txids.push(outputs[i]); txids.push(outputs[i]);
totalReceived += outputs[i].satoshis;
unconfirmedBalance += outputs[i].satoshis; unconfirmedBalance += outputs[i].satoshis;
if(outputs[i].confirmations) { if(outputs[i].confirmations) {
totalReceived += outputs[i].satoshis;
balance += outputs[i].satoshis; balance += outputs[i].satoshis;
appearances++; appearances++;
} else { } else {
unconfirmedAppearances++; unconfirmedAppearances++;
} }
if(spent) { if(spentDB || spentMempool) {
totalSpent += outputs[i].satoshis;
unconfirmedBalance -= outputs[i].satoshis; unconfirmedBalance -= outputs[i].satoshis;
if(spentConfirmed) { if(spentDB) {
totalSpent += outputs[i].satoshis;
balance -= outputs[i].satoshis; balance -= outputs[i].satoshis;
appearances++; appearances++;
} else { } else {