RanchiMall/fcoin
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

addrindexer: minor.

Browse Source 
* allocate one buffer istead of concat.
* return results instead of mutating array.
This commit is contained in:
Nodar Chkuaselidze 2019-05-17 20:35:21 +04:00
parent 0f6ef910b0
commit cdca51a844
No known key found for this signature in database
GPG Key ID: 8E1B4DC29040BD90
2 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/indexer/addrindexer.js
View File

@ -211,8 +211,6 @@ class AddrIndexer extends Indexer {
*/ */
async getHashesByAddress(addr, options = {}) { async getHashesByAddress(addr, options = {}) {
const txs = [];
const {after, reverse} = options; const {after, reverse} = options;
let {limit} = options; let {limit} = options;
@ -230,7 +228,7 @@ class AddrIndexer extends Indexer {
reverse, reverse,
parse: (key) => { parse: (key) => {
const [,, height, index] = layout.A.decode(key); const [,, height, index] = layout.A.decode(key);
txs.push([height, index]); return [height, index];
} }
}; };
@ -265,8 +263,7 @@ class AddrIndexer extends Indexer {
opts.lte = layout.A.max(prefix, hash); opts.lte = layout.A.max(prefix, hash);
} }
await this.db.keys(opts); const txs = await this.db.keys(opts);
const hashes = []; const hashes = [];
for (const [height, index] of txs) for (const [height, index] of txs)

11
lib/mempool/addrindexer.js
View File

@ -44,10 +44,15 @@ class AddrIndexer {
if (prefix < 0) if (prefix < 0)
return null; return null;
const raw = Buffer.allocUnsafe(1); const hash = addr.getHash();
raw.writeUInt8(prefix); const size = hash.length + 1;
const raw = Buffer.allocUnsafe(size);
return Buffer.concat([raw, addr.getHash()]); let written = raw.writeUInt8(prefix);
written += hash.copy(raw, 1);
assert(written === size);
return raw;
} }
/** /**