bitcore-node
Version:
A blockchain indexing node with extended capabilities using bitcore
146 lines • 6.28 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.XrpBlockStorage = exports.XrpBlockModel = void 0;
const Loggify_1 = require("../../../decorators/Loggify");
const logger_1 = __importDefault(require("../../../logger"));
const baseBlock_1 = require("../../../models/baseBlock");
const events_1 = require("../../../models/events");
const transaction_1 = require("./transaction");
let XrpBlockModel = class XrpBlockModel extends baseBlock_1.BaseBlock {
constructor(storage) {
super(storage);
}
async onConnect() {
super.onConnect();
}
async addBlock(params) {
const { block, chain, network } = params;
const reorg = await this.handleReorg({ block, chain, network });
if (reorg) {
return Promise.reject('reorg');
}
return this.processBlock(params);
}
async processBlock(params) {
const { chain, network, transactions, parentChain, forkHeight, initialSyncComplete, coins } = params;
const blockOp = await this.getBlockOp(params);
const convertedBlock = blockOp.updateOne.update.$set;
const { height, timeNormalized, time } = convertedBlock;
const previousBlock = await this.collection.findOne({ hash: convertedBlock.previousBlockHash, chain, network });
await this.collection.bulkWrite([blockOp]);
if (previousBlock) {
await this.collection.updateOne({ chain, network, hash: previousBlock.hash }, { $set: { nextBlockHash: convertedBlock.hash } });
logger_1.default.debug('Updating previous block.nextBlockHash %o', convertedBlock.hash);
}
await transaction_1.XrpTransactionStorage.batchImport({
txs: transactions,
coins,
blockHash: convertedBlock.hash,
blockTime: new Date(time),
blockTimeNormalized: new Date(timeNormalized),
height,
chain,
network,
parentChain,
forkHeight,
initialSyncComplete
});
if (initialSyncComplete) {
events_1.EventStorage.signalBlock(convertedBlock);
}
await this.collection.updateOne({ hash: convertedBlock.hash, chain, network }, { $set: { processed: true } });
}
async getBlockOp(params) {
const { block, chain, network } = params;
const blockTime = block.time;
const prevHash = block.previousBlockHash;
const previousBlock = await this.collection.findOne({ hash: prevHash, chain, network });
const timeNormalized = (() => {
const prevTime = previousBlock ? previousBlock.timeNormalized : null;
if (prevTime && blockTime.getTime() <= prevTime.getTime()) {
return new Date(prevTime.getTime() + 1);
}
else {
return blockTime;
}
})();
const height = block.height;
logger_1.default.debug('Setting blockheight: %o', height);
return {
updateOne: {
filter: {
hash: block.hash,
chain,
network
},
update: {
$set: { ...block, timeNormalized }
},
upsert: true
}
};
}
async handleReorg(params) {
const { block, chain, network } = params;
const prevHash = block.previousBlockHash;
let localTip = await this.getLocalTip(params);
if (block != null && localTip != null && (localTip.hash === prevHash || localTip.hash === block.hash)) {
return false;
}
if (!localTip || localTip.height === 0) {
return false;
}
if (block) {
const prevBlock = await this.collection.findOne({ chain, network, hash: prevHash });
if (prevBlock) {
localTip = prevBlock;
}
else {
logger_1.default.error("Previous block isn't in the DB need to roll back until we have a block in common");
}
logger_1.default.info(`Resetting tip to ${localTip.height - 1} %o`, { chain, network });
}
const reorgOps = [
this.collection.deleteMany({ chain, network, height: { $gte: localTip.height } }),
transaction_1.XrpTransactionStorage.collection.deleteMany({ chain, network, blockHeight: { $gte: localTip.height } })
];
await Promise.all(reorgOps);
logger_1.default.debug('Removed data from above blockHeight: %o', localTip.height);
return localTip.hash !== prevHash;
}
_apiTransform(block, options) {
const transform = {
_id: block._id,
chain: block.chain,
network: block.network,
hash: block.hash,
height: block.height,
size: block.size,
time: block.time,
timeNormalized: block.timeNormalized,
previousBlockHash: block.previousBlockHash,
nextBlockHash: block.nextBlockHash,
reward: block.reward,
transactionCount: block.transactionCount
};
if (options && options.object) {
return transform;
}
return JSON.stringify(transform);
}
};
exports.XrpBlockModel = XrpBlockModel;
exports.XrpBlockModel = XrpBlockModel = __decorate([
Loggify_1.LoggifyClass
], XrpBlockModel);
exports.XrpBlockStorage = new XrpBlockModel();
//# sourceMappingURL=block.js.map