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pool: refactor requests.

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This commit is contained in:
Christopher Jeffrey 2016-12-06 17:12:54 -08:00
parent 9215e4fe48
commit 136a48b4b4
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 23 additions and 22 deletions
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45
lib/net/pool.js
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@ -793,7 +793,8 @@ Pool.prototype.__handleHeaders = co(function* _handleHeaders(headers, peer) {
last = hash;
yield this.getBlock(peer, hash);
if (!(yield this.chain.has(hash)))
this.getBlock(peer, hash);
}
// Schedule the getdata's we just added.
@ -853,7 +854,11 @@ Pool.prototype._handleBlocks = co(function* _handleBlocks(hashes, peer) {
continue;
}
exists = yield this.getBlock(peer, hash);
// Request the block if we don't have it.
if (!(yield this.chain.has(hash))) {
this.getBlock(peer, hash);
continue;
}
// Normally we request the hashContinue.
// In the odd case where we already have
@ -862,15 +867,9 @@ Pool.prototype._handleBlocks = co(function* _handleBlocks(hashes, peer) {
// continue the sync, or do a getblocks
// from the last hash (this will reset
// the hashContinue on the remote node).
if (exists && i === hashes.length - 1) {
// Make sure we _actually_ have this block.
if (!this.requestMap[hash]) {
this.logger.debug('Received existing hash (%s).', peer.hostname);
yield peer.getBlocks(hash, null);
continue;
}
// Otherwise, we're still requesting it. Ignore.
this.logger.debug('Received requested hash (%s).', peer.hostname);
if (i === hashes.length - 1) {
this.logger.debug('Received existing hash (%s).', peer.hostname);
yield peer.getBlocks(hash, null);
}
}
@ -1223,7 +1222,7 @@ Pool.prototype.createPeer = function createPeer(addr, socket) {
for (i = 0; i < txs.length; i++) {
hash = txs[i];
try {
yield self.getTX(peer, hash);
self.getTX(peer, hash);
} catch (e) {
self.emit('error', e);
}
@ -1389,8 +1388,12 @@ Pool.prototype._handleTX = co(function* _handleTX(tx, peer) {
}
if (this.options.requestMissing && missing) {
for (i = 0; i < missing.length; i++)
yield this.getTX(peer, missing[i]);
try {
for (i = 0; i < missing.length; i++)
this.getTX(peer, missing[i]);
} catch (e) {
this.emit('error', e);
}
}
this.emit('tx', tx, peer);
@ -1572,7 +1575,7 @@ Pool.prototype.watchAddress = function watchAddress(address) {
* @returns {Promise}
*/
Pool.prototype.getBlock = co(function* getBlock(peer, hash) {
Pool.prototype.getBlock = function getBlock(peer, hash) {
var item;
if (!this.loaded)
@ -1581,15 +1584,13 @@ Pool.prototype.getBlock = co(function* getBlock(peer, hash) {
if (peer.destroyed)
throw new Error('Peer is already destroyed (getdata).');
if (yield this.hasBlock(hash))
return true;
if (this.requestMap[hash])
return;
item = new LoadRequest(this, peer, this.blockType, hash);
peer.queueBlock.push(item);
return false;
});
};
/**
* Test whether the chain has or has seen an item.
@ -1619,7 +1620,7 @@ Pool.prototype.hasBlock = co(function* hasBlock(hash) {
* @returns {Promise}
*/
Pool.prototype.getTX = co(function* getTX(peer, hash) {
Pool.prototype.getTX = function getTX(peer, hash) {
var self = this;
var item;
@ -1650,7 +1651,7 @@ Pool.prototype.getTX = co(function* getTX(peer, hash) {
peer.queueTX.push(item.start());
return false;
});
};
/**
* Test whether the mempool has or has seen an item.