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Reduce jsonrpc calls using batch job #282

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Reduce jsonrpc calls using batch job #282

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60 changes: 30 additions & 30 deletions routes/web3relay.js
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Original file line number Diff line number Diff line change
Expand Up @@ -126,40 +126,40 @@ exports.data = function(req, res){

var addrData = {};

if (options.indexOf("balance") > -1) {
try {
addrData["balance"] = web3.eth.getBalance(addr);
addrData["balance"] = etherUnits.toEther(addrData["balance"], 'wei');
} catch(err) {
// batch job
var batch = web3.createBatch();
batch.add(web3.eth.getBalance.request(addr));
batch.add(web3.eth.getTransactionCount.request(addr));
batch.add(web3.eth.getCode.request(addr));

batch.requestManager.sendBatch(batch.requests, function(err, results) {
if (err) {
console.error("AddrWeb3 error :" + err);
addrData = {"error": true};
}
}
if (options.indexOf("count") > -1) {
try {
addrData["count"] = web3.eth.getTransactionCount(addr);
} catch (err) {
console.error("AddrWeb3 error :" + err);
addrData = {"error": true};
res.write(JSON.stringify({"error": true}));
res.end();
return;
}
}
if (options.indexOf("bytecode") > -1) {
try {
addrData["bytecode"] = web3.eth.getCode(addr);
if (addrData["bytecode"].length > 2)

results = results || [];
var addrData = {};
batch.requests.map(function (request, index) {
return results[index] || {};
}).forEach(function (result, i) {
if (i == 0) {
addrData["balance"] = etherUnits.toEther(result.result, 'wei');
} else if (i == 1) {
addrData["count"] = Number(result.result);
} else if (i == 2) {
addrData["bytecode"] = result.result;
if (addrData["bytecode"].length > 2)
addrData["isContract"] = true;
else
else
addrData["isContract"] = false;
} catch (err) {
console.error("AddrWeb3 error :" + err);
addrData = {"error": true};
}
}

res.write(JSON.stringify(addrData));
res.end();


}
});
res.write(JSON.stringify(addrData));
res.end();
});
} else if ("block" in req.body) {
var blockNumOrHash;
if (/^(0x)?[0-9a-f]{64}$/i.test(req.body.block.trim())) {
Expand Down