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bitcoind: add mempool to address txid results

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This commit is contained in:
Braydon Fuller 2016-04-05 13:50:31 -04:00
parent ab70aa666e
commit 60333bcb0e
1 changed files with 70 additions and 17 deletions
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87
lib/services/bitcoind.js
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@ -394,28 +394,69 @@ Bitcoin.prototype.getAddressUnspentOutputs = function(addressArg, options, callb
}
};
Bitcoin.prototype._getBalanceFromMempool = function(deltas) {
var satoshis = 0;
for (var i = 0; i < deltas.length; i++) {
satoshis += deltas[i].satoshis;
}
return satoshis;
};
Bitcoin.prototype._getTxidsFromMempool = function(deltas) {
var mempoolTxids = [];
var mempoolTxidsKnown = {};
for (var i = 0; i < deltas.length; i++) {
var txid = deltas[i].txid;
if (!mempoolTxidsKnown[txid]) {
mempoolTxids.push(txid);
mempoolTxidsKnown[txid] = true;
}
}
return mempoolTxids;
};
Bitcoin.prototype.getAddressTxids = function(addressArg, options, callback) {
var self = this;
var queryMempool = _.isUndefined(options.queryMempool) ? true : options.queryMempool;
var addresses = [addressArg];
if (Array.isArray(addressArg)) {
addresses = addressArg;
}
var cacheKey = addresses.join('');
var mempoolTxids = [];
var txids = self.txidsCache.get(cacheKey);
if (txids) {
return setImmediate(function() {
callback(null, txids);
});
} else {
self.client.getAddressTxids({addresses: addresses}, function(err, response) {
function finish() {
if (txids) {
var allTxids = mempoolTxids.reverse().concat(txids);
return setImmediate(function() {
callback(null, allTxids);
});
} else {
self.client.getAddressTxids({addresses: addresses}, function(err, response) {
if (err) {
return callback(err);
}
response.result.reverse();
self.txidsCache.set(cacheKey, response.result);
var allTxids = mempoolTxids.reverse().concat(response.result);
return callback(null, allTxids);
});
}
}
if (queryMempool) {
self.client.getAddressMempool({addresses: addresses}, function(err, response) {
if (err) {
return callback(err);
}
response.result.reverse();
self.txidsCache.set(cacheKey, response.result);
return callback(null, response.result);
mempoolTxids = self._getTxidsFromMempool(response.result);
finish();
});
} else {
finish();
}
};
Bitcoin.prototype._getConfirmationsDetail = function(transaction) {
@ -585,10 +626,11 @@ Bitcoin.prototype.getAddressHistory = function(addressArg, options, callback) {
};
Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
// TODO: optional mempool
var self = this;
var summary = {};
var queryMempool = _.isUndefined(options.queryMempool) ? true : options.queryMempool;
var summaryTxids = [];
var mempoolTxids = [];
var addresses = [addressArg];
if (Array.isArray(addressArg)) {
@ -597,14 +639,10 @@ Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
var cacheKey = addresses.join('');
if (_.isUndefined(options.queryMempool)) {
options.queryMempool = true;
}
function querySummary() {
async.parallel([
function getTxList(done) {
self.getAddressTxids(addressArg, options, function(err, txids) {
self.getAddressTxids(addressArg, {queryMempool: false}, function(err, txids) {
if (err) {
return done(err);
}
@ -623,14 +661,29 @@ Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
summary.balance = data.balance;
done();
});
}
},
function getMempool(done) {
if (!queryMempool) {
return done();
}
self.client.getAddressMempool({'addresses': [addressArg]}, function(err, response) {
if (err) {
return done(err);
}
mempoolTxids = self._getTxidsFromMempool(response.result);
summary.unconfirmedAppearances = mempoolTxids.length;
summary.unconfirmedBalance = self._getBalanceFromMempool(response.result);
done();
});
},
], function(err) {
if (err) {
return callback(err);
}
self.summaryCache.set(cacheKey, summary);
if (!options.noTxList) {
summary.txids = summaryTxids;
var allTxids = mempoolTxids.reverse().concat(summaryTxids);
summary.txids = allTxids;
}
callback(null, summary);
});