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chain: log state updates after db write.

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This commit is contained in:
Christopher Jeffrey 2016-11-22 14:18:44 -08:00
parent e025902405
commit 0530c8f80f
No known key found for this signature in database
GPG Key ID: 8962AB9DE6666BBD
1 changed files with 46 additions and 31 deletions
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77
lib/blockchain/chain.js
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@ -192,7 +192,7 @@ Chain.prototype._init = function _init() {
*/
Chain.prototype._open = co(function* open() {
var tip;
var tip, state;
this.logger.info('Chain is loading.');
@ -218,7 +218,9 @@ Chain.prototype._open = co(function* open() {
this.logger.memory();
this.state = yield this.getDeploymentState();
state = yield this.getDeploymentState();
this.setDeploymentState(state);
this.logger.memory();
@ -455,11 +457,8 @@ Chain.prototype.getDeployments = co(function* getDeployments(block, prev) {
// not have a signature. See:
// 6a26d2ecb67f27d1fa5524763b49029d7106e91e3cc05743073461a719776192
// 9c08a4d78931342b37fd5f72900fb9983087e6f46c4a097d8a1f52c74e28eaf6
if (block.ts >= constants.block.BIP16_TIME) {
if (block.ts >= constants.block.BIP16_TIME)
state.flags |= constants.flags.VERIFY_P2SH;
if (!this.state.hasP2SH())
this.logger.warning('P2SH has been activated.');
}
// Only allow version 2 blocks (coinbase height)
// once the majority of blocks are using it.
@ -484,33 +483,21 @@ Chain.prototype.getDeployments = co(function* getDeployments(block, prev) {
}
// Coinbase heights are now enforced (bip34).
if (height >= this.network.block.bip34height) {
if (height >= this.network.block.bip34height)
state.bip34 = true;
if (!this.state.hasBIP34())
this.logger.warning('BIP34 has been activated.');
}
// Signature validation is now enforced (bip66).
if (height >= this.network.block.bip66height) {
if (height >= this.network.block.bip66height)
state.flags |= constants.flags.VERIFY_DERSIG;
if (!this.state.hasBIP66())
this.logger.warning('BIP66 has been activated.');
}
// CHECKLOCKTIMEVERIFY is now usable (bip65)
if (height >= this.network.block.bip65height) {
if (height >= this.network.block.bip65height)
state.flags |= constants.flags.VERIFY_CHECKLOCKTIMEVERIFY;
if (!this.state.hasCLTV())
this.logger.warning('BIP65 has been activated.');
}
// Segregrated witness is now usable (bip141 - segnet3)
if (this.options.witness && this.network.oldWitness) {
if (height >= this.network.block.bip141height) {
if (height >= this.network.block.bip141height)
state.flags |= constants.flags.VERIFY_WITNESS;
if (!this.state.hasWitness())
this.logger.warning('Segwit has been activated.');
}
}
if (this.network.oldWitness)
@ -523,18 +510,13 @@ Chain.prototype.getDeployments = co(function* getDeployments(block, prev) {
state.flags |= constants.flags.VERIFY_CHECKSEQUENCEVERIFY;
state.lockFlags |= constants.flags.VERIFY_SEQUENCE;
state.lockFlags |= constants.flags.MEDIAN_TIME_PAST;
if (!this.state.hasCSV())
this.logger.warning('CSV has been activated.');
}
// Segregrated witness is now usable (bip141 - segnet4)
active = yield this.isActive(prev, 'witness');
if (active) {
if (this.options.witness) {
if (this.options.witness)
state.flags |= constants.flags.VERIFY_WITNESS;
if (!this.state.hasWitness())
this.logger.warning('Segwit has been activated.');
}
// BIP147
state.flags |= constants.flags.VERIFY_NULLDUMMY;
}
@ -542,6 +524,36 @@ Chain.prototype.getDeployments = co(function* getDeployments(block, prev) {
return state;
});
/**
* Set a new deployment state.
* @param {DeploymentState} state
*/
Chain.prototype.setDeploymentState = function setDeploymentState(state) {
if (!this.state.hasP2SH() && state.hasP2SH())
this.logger.warning('P2SH has been activated.');
if (!this.state.hasBIP34() && state.hasBIP34())
this.logger.warning('BIP34 has been activated.');
if (!this.state.hasBIP66() && state.hasBIP66())
this.logger.warning('BIP66 has been activated.');
if (!this.state.hasCLTV() && state.hasCLTV())
this.logger.warning('BIP65 has been activated.');
if (!this.state.hasWitness() && state.hasWitness())
this.logger.warning('Segwit has been activated.');
if (!this.state.hasCSV() && state.hasCSV())
this.logger.warning('CSV has been activated.');
if (!this.state.hasWitness() && state.hasWitness())
this.logger.warning('Segwit has been activated.');
this.state = state;
};
/**
* Determine whether to check block for duplicate txids in blockchain
* history (BIP30). If we're on a chain that has bip34 activated, we
@ -900,8 +912,8 @@ Chain.prototype.reconnect = co(function* reconnect(entry) {
this.tip = entry;
this.height = entry.height;
this.state = result.state;
this.bestHeight = entry.height;
this.setDeploymentState(result.state);
this.emit('tip', entry);
this.emit('reconnect', entry, block);
@ -962,7 +974,7 @@ Chain.prototype.setBestChain = co(function* setBestChain(entry, block, prev) {
// Expose the new state.
this.tip = entry;
this.height = entry.height;
this.state = result.state;
this.setDeploymentState(result.state);
this.emit('tip', entry);
});
@ -1024,13 +1036,16 @@ Chain.prototype.reset = co(function* reset(block) {
Chain.prototype._reset = co(function* reset(block, silent) {
var tip = yield this.db.reset(block);
var state;
// Reset state.
this.tip = tip;
this.height = tip.height;
this.state = yield this.getDeploymentState();
this.synced = this.isFull(true);
state = yield this.getDeploymentState();
this.setDeploymentState(state);
this.emit('tip', tip);
if (!silent)