lukechilds
/
btc-rpc-explorer
mirror of https://github.com/lukechilds/btc-rpc-explorer.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Fix for blockchair addressApi which doesn't give block heights for txids

fix-133-memory-crash
Dan Janosik 6 years ago
parent
0a4ccfb13b
commit
cab4cf6a8c
No known key found for this signature in database GPG Key ID: C6F8CE9FFDB2CED2
2 changed files with 90 additions and 29 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 9
      app/api/coreApi.js
  2. 110
      routes/baseActionsRouter.js

9
app/api/coreApi.js
View File

@ -588,7 +588,13 @@ function getBlocksByHash(blockHashes) {
}
Promise.all(promises).then(function(results) {
resolve(results);
var result = {};
results.forEach(function(item) {
result[item.hash] = item;
});
resolve(result);
}).catch(function(err) {
reject(err);
@ -876,6 +882,7 @@ module.exports = {
getBlockByHeight: getBlockByHeight,
getBlocksByHeight: getBlocksByHeight,
getBlockByHash: getBlockByHash,
getBlocksByHash: getBlocksByHash,
getBlockByHashWithTransactions: getBlockByHashWithTransactions,
getRawTransaction: getRawTransaction,
getRawTransactions: getRawTransactions,

110
routes/baseActionsRouter.js
View File

@ -664,58 +664,112 @@ router.get("/address/:address", function(req, res, next) {
if (addressDetails.txids) {
var txids = addressDetails.txids;
// if the active addressApi gives us blockHeightsByTxid, it saves us work, so try to use it
var blockHeightsByTxid = {};
if (addressDetails.blockHeightsByTxid) {
blockHeightsByTxid = addressDetails.blockHeightsByTxid;
}
res.locals.txids = txids;
coreApi.getRawTransactionsWithInputs(txids).then(function(rawTxResult) {
res.locals.transactions = rawTxResult.transactions;
res.locals.txInputsByTransaction = rawTxResult.txInputsByTransaction;
var addrGainsByTx = {};
var addrLossesByTx = {};
res.locals.addrGainsByTx = addrGainsByTx;
res.locals.addrLossesByTx = addrLossesByTx;
// for coinbase txs, we need the block height in order to calculate subsidy to display
var coinbaseTxs = [];
for (var i = 0; i < rawTxResult.transactions.length; i++) {
var tx = rawTxResult.transactions[i];
var txInputs = rawTxResult.txInputsByTransaction[tx.txid];
blockHeightsByTxid[tx.txid] = tx.height;
for (var j = 0; j < tx.vout.length; j++) {
if (tx.vout[j].value > 0 && tx.vout[j].scriptPubKey && tx.vout[j].scriptPubKey.addresses && tx.vout[j].scriptPubKey.addresses.includes(address)) {
if (addrGainsByTx[tx.txid] == null) {
addrGainsByTx[tx.txid] = new Decimal(0);
for (var j = 0; j < tx.vin.length; j++) {
if (tx.vin[j].coinbase) {
// addressApi sometimes has blockHeightByTxid already available, otherwise we need to query for it
if (!blockHeightsByTxid[tx.txid]) {
coinbaseTxs.push(tx);
}
addrGainsByTx[tx.txid] = addrGainsByTx[tx.txid].plus(new Decimal(tx.vout[j].value));
}
}
}
for (var j = 0; j < tx.vin.length; j++) {
var txInput = txInputs[j];
var vinJ = tx.vin[j];
if (txInput != null) {
if (txInput.vout[vinJ.vout] && txInput.vout[vinJ.vout].scriptPubKey && txInput.vout[vinJ.vout].scriptPubKey.addresses && txInput.vout[vinJ.vout].scriptPubKey.addresses.includes(address)) {
if (addrLossesByTx[tx.txid] == null) {
addrLossesByTx[tx.txid] = new Decimal(0);
var coinbaseTxBlockHashes = [];
var blockHashesByTxid = {};
coinbaseTxs.forEach(function(tx) {
coinbaseTxBlockHashes.push(tx.blockhash);
blockHashesByTxid[tx.txid] = tx.blockhash;
});
var blockHeightsPromises = [];
if (coinbaseTxs.length > 0) {
// we need to query some blockHeights by hash for some coinbase txs
blockHeightsPromises.push(new Promise(function(resolve2, reject2) {
coreApi.getBlocksByHash(coinbaseTxBlockHashes).then(function(blocksByHashResult) {
for (var txid in blockHashesByTxid) {
if (blockHashesByTxid.hasOwnProperty(txid)) {
blockHeightsByTxid[txid] = blocksByHashResult[blockHashesByTxid[txid]].height;
}
}
resolve2();
}).catch(function(err) {
utils.logError("78ewrgwetg3", err);
reject2(err);
});
}));
}
Promise.all(blockHeightsPromises).then(function() {
var addrGainsByTx = {};
var addrLossesByTx = {};
res.locals.addrGainsByTx = addrGainsByTx;
res.locals.addrLossesByTx = addrLossesByTx;
for (var i = 0; i < rawTxResult.transactions.length; i++) {
var tx = rawTxResult.transactions[i];
var txInputs = rawTxResult.txInputsByTransaction[tx.txid];
for (var j = 0; j < tx.vout.length; j++) {
if (tx.vout[j].value > 0 && tx.vout[j].scriptPubKey && tx.vout[j].scriptPubKey.addresses && tx.vout[j].scriptPubKey.addresses.includes(address)) {
if (addrGainsByTx[tx.txid] == null) {
addrGainsByTx[tx.txid] = new Decimal(0);
}
addrLossesByTx[tx.txid] = addrLossesByTx[tx.txid].plus(new Decimal(txInput.vout[vinJ.vout].value));
addrGainsByTx[tx.txid] = addrGainsByTx[tx.txid].plus(new Decimal(tx.vout[j].value));
}
}
for (var j = 0; j < tx.vin.length; j++) {
var txInput = txInputs[j];
var vinJ = tx.vin[j];
if (txInput != null) {
if (txInput.vout[vinJ.vout] && txInput.vout[vinJ.vout].scriptPubKey && txInput.vout[vinJ.vout].scriptPubKey.addresses && txInput.vout[vinJ.vout].scriptPubKey.addresses.includes(address)) {
if (addrLossesByTx[tx.txid] == null) {
addrLossesByTx[tx.txid] = new Decimal(0);
}
addrLossesByTx[tx.txid] = addrLossesByTx[tx.txid].plus(new Decimal(txInput.vout[vinJ.vout].value));
}
}
}
//debugLog("tx: " + JSON.stringify(tx));
//debugLog("txInputs: " + JSON.stringify(txInputs));
}
//debugLog("tx: " + JSON.stringify(tx));
//debugLog("txInputs: " + JSON.stringify(txInputs));
}
res.locals.blockHeightsByTxid = blockHeightsByTxid;
resolve();
res.locals.blockHeightsByTxid = blockHeightsByTxid;
}).catch(function(err) {
utils.logError("230wefrhg0egt3", err);
resolve();
reject(err);
});
}).catch(function(err) {
utils.logError("asdgf07uh23", err);

Write Preview
Loading…
Cancel
Save