Add ancestors/descendants to tx details page, fixes #126

app/api/coreApi.js

@@ -652,6 +652,12 @@ function getUtxo(txid, outputIndex) {
 	});
 }
 
+function getMempoolTxDetails(txid) {
+	return tryCacheThenRpcApi(miscCache, "mempoolTxDetails-" + txid, 3600000, function() {
+		return rpcApi.getMempoolTxDetails(txid);
+	});
+}
+
 function getAddress(address) {
 	return tryCacheThenRpcApi(miscCache, "getAddress-" + address, 3600000, function() {
 		return rpcApi.getAddress(address);
@@ -930,6 +936,7 @@ module.exports = {
 	getRawTransactions: getRawTransactions,
 	getRawTransactionsWithInputs: getRawTransactionsWithInputs,
 	getTxUtxos: getTxUtxos,
+	getMempoolTxDetails: getMempoolTxDetails,
 	getMempoolStats: getMempoolStats,
 	getUptimeSeconds: getUptimeSeconds,
 	getHelp: getHelp,

app/api/rpcApi.js

@@ -140,21 +140,17 @@ function getUtxo(txid, outputIndex) {
 	return new Promise(function(resolve, reject) {
 		getRpcDataWithParams({method:"gettxout", parameters:[txid, outputIndex]}).then(function(result) {
 			if (result == null) {
-				console.log("haha: " + JSON.stringify(result));
 				resolve("0");
 
 				return;
 			}
 
 			if (result.code && result.code < 0) {
-				console.log("haha2: " + JSON.stringify(result));
 				reject(result);
 
 				return;
 			}
 
-			console.log("haha3: " + JSON.stringify(result));
-
 			resolve(result);
 
 		}).catch(function(err) {
@@ -163,6 +159,56 @@ function getUtxo(txid, outputIndex) {
 	});
 }
 
+function getMempoolTxDetails(txid) {
+	debugLog("getMempoolTxDetails: %s", txid);
+
+	var promises = [];
+
+	var mempoolDetails = {};
+
+	promises.push(new Promise(function(resolve, reject) {
+		getRpcDataWithParams({method:"getmempoolentry", parameters:[txid]}).then(function(result) {
+			mempoolDetails.entry = result;
+
+			resolve();
+
+		}).catch(function(err) {
+			reject(err);
+		});
+	}));
+
+	promises.push(new Promise(function(resolve, reject) {
+		getRpcDataWithParams({method:"getmempoolancestors", parameters:[txid]}).then(function(result) {
+			mempoolDetails.ancestors = result;
+
+			resolve();
+
+		}).catch(function(err) {
+			reject(err);
+		});
+	}));
+
+	promises.push(new Promise(function(resolve, reject) {
+		getRpcDataWithParams({method:"getmempooldescendants", parameters:[txid]}).then(function(result) {
+			mempoolDetails.descendants = result;
+
+			resolve();
+
+		}).catch(function(err) {
+			reject(err);
+		});
+	}));
+
+	return new Promise(function(resolve, reject) {
+		Promise.all(promises).then(function() {
+			resolve(mempoolDetails);
+
+		}).catch(function(err) {
+			reject(err);
+		});
+	});
+}
+
 function getHelp() {
 	return getRpcData("help");
 }
@@ -236,6 +282,7 @@ module.exports = {
 	getBlockByHash: getBlockByHash,
 	getRawTransaction: getRawTransaction,
 	getUtxo: getUtxo,
+	getMempoolTxDetails: getMempoolTxDetails,
 	getRawMempool: getRawMempool,
 	getUptimeSeconds: getUptimeSeconds,
 	getHelp: getHelp,

routes/baseActionsRouter.js

@@ -559,6 +559,21 @@ router.get("/tx/:transactionId", function(req, res, next) {
 			});
 		}));
 
+		if (rawTxResult.confirmations == null) {
+			promises.push(new Promise(function(resolve, reject) {
+				coreApi.getMempoolTxDetails(txid).then(function(mempoolDetails) {
+					res.locals.mempoolDetails = mempoolDetails;
+					
+					resolve();
+
+				}).catch(function(err) {
+					res.locals.pageErrors.push(utils.logError("0q83hreuwgd", err));
+
+					reject(err);
+				});
+			}));
+		}
+
 		promises.push(new Promise(function(resolve, reject) {
 			client.command('getblock', rawTxResult.blockhash, function(err3, result3, resHeaders3) {
 				res.locals.result.getblock = result3;

views/transaction.pug

@@ -237,6 +237,41 @@ block content
 							- blockHeight = result.getblock.height;
 						include includes/transaction-io-details.pug
 
+				if (mempoolDetails)
+					if (mempoolDetails.ancestors.length > 0)
+						div(class="card mb-3 shadow-sm")
+							div(class="card-header")
+								h2(class="h6 mb-0")
+									span #{mempoolDetails.ancestors.length.toLocaleString()} 
+									if (mempoolDetails.ancestors.length == 1)
+										span Ancestor
+									else
+										span Ancestors
+
+							
+							div(class="card-body")
+								ol.mb-0
+									each ancestorTxid, ancestorIndex in mempoolDetails.ancestors
+										li
+											a.text-monospace(href=("/tx/" + ancestorTxid)) #{ancestorTxid}
+
+					if (mempoolDetails.descendants.length > 0)
+						div(class="card mb-3 shadow-sm")
+							div(class="card-header")
+								h2(class="h6 mb-0")
+									span #{mempoolDetails.descendants.length.toLocaleString()} 
+									if (mempoolDetails.descendants.length == 1)
+										span Descendant
+									else
+										span Descendants
+
+							
+							div(class="card-body")
+								ol.mb-0
+									each descendantTxid, descendantIndex in mempoolDetails.descendants
+										li
+											a.text-monospace(href=("/tx/" + descendantTxid)) #{descendantTxid}
+
 			- var fontawesomeInputName = "sign-in-alt";
 			- var fontawesomeOutputName = "sign-out-alt";
 
@@ -305,6 +340,12 @@ block content
 					pre
 						code(class="json bg-light", data-lang="json") #{JSON.stringify(utxos, null, 4)}
 
+				if (mempoolDetails)
+					h3.h5 Mempool Details
+					div(class="highlight")
+						pre
+							code(class="json bg-light", data-lang="json") #{JSON.stringify(mempoolDetails, null, 4)}
+
 				//pre #{JSON.stringify(result.txInputs, null, 4)}