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insight-ui-zcash
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new txout-spend- schema

This commit is contained in:
Matias Alejo Garcia 2014-02-10 15:50:07 -03:00
parent 9910fa4d40
commit 8b892edfbc
1 changed files with 24 additions and 16 deletions
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40
lib/TransactionDb.js
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@ -16,7 +16,7 @@ function spec(b) {
// to sum up addr balance
var ADDR_PREFIX = 'txouts-addr-'; //txouts-addr-<addr>-<ts>-<txid>-<n> => + btc_sat
var SPEND_PREFIX = 'txouts-spend-';//txouts-spend-<txid(out)>-<n(out)> => [txid(in),n(in),ts]
var SPEND_PREFIX = 'txouts-spend-';//txouts-spend-<txid(out)>-<n(out)>-<txid(in)>-<n(in)> = ts
// TODO: use bitcore networks module
var genesisTXID = '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b';
@ -97,7 +97,6 @@ function spec(b) {
db.createReadStream({start: k, end: k + '~'})
.on('data', function (data) {
var k = data.key.split('-');
var v = data.value.split(':');
var j = idx[parseInt(k[3])];
assert(typeof j !== 'undefined','Spent could not be stored: tx ' + txid +
@ -109,8 +108,8 @@ function spec(b) {
assert(0);
}
else {
ret[j].spendTxId = v[0];
ret[j].spendIndex = parseInt(v[1]);
ret[j].spendTxId = k[4];
ret[j].spendIndex = parseInt(k[5]);
}
})
.on('error', function (err) {
@ -236,16 +235,26 @@ function spec(b) {
async.each(ret, function(o, e_c) {
var k = SPEND_PREFIX + o.txid + '-' + o.index;
db.get(k, function(err, val) {
if (err && err.notFound) err=null;
if (err || !val) return e_c(err);
var v = val.split(':');
o.spendTxId= v[0];
o.spendIndex=parseInt(v[1]);
o.spendTs=parseInt(v[2]);
return e_c();
});
db.createReadStream({start: k, end: k + '~'})
.on('data', function (data) {
var k = data.key.split('-');
var v = data.value;
if (o.spendTxId) {
// double spend!
assert(0);
}
else {
o.spendTxId = k[4];
o.spendIndex = parseInt(k[5]);
o.spendTs = parseInt(v);
}
})
.on('error', function (err) {
return e_c(err);
})
.on('end', function (err) {
return e_c(err);
});
},
function() {
async.each(ret, function(o, e_c){
@ -341,8 +350,7 @@ function spec(b) {
async.forEachLimit(tx.vin, CONCURRENCY,
function(i, next_out) {
db.batch()
.put( SPEND_PREFIX + i.txid + '-' + i.vout ,
tx.txid + ':' + i.n + ':' + ts)
.put( SPEND_PREFIX + i.txid + '-' + i.vout + '-' + tx.txid + '-' + i.n, ts)
.write(next_out);
},
function (err) {