demo version
This commit is contained in:
Josip Milovac
parent
fbb282a801
commit
672d6daa8e
125 changed files with 17918 additions and 1481 deletions
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@ -6,10 +6,13 @@ const BrokerRegistration = require('./broker-registration');
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const Integration = require('./integration');
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const Compensation = require('./compensation');
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const fs = require('fs');
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const ChainUtil = require('../chain-util');
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const ChainUtil = require('../util/chain-util');
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const RdsStore = require('./rds-store');
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const {
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MINING_REWARD} = require('../constants');
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MINING_REWARD,
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SENSHAMART_URI_REPLACE } = require('../util/constants');
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const URIS = require('./uris');
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function makeIntegrationKey(publicKey, counter) {
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return `${publicKey}/${counter}`;
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@ -80,7 +83,9 @@ class PropertyHistory {
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throw new Error("Finishing Property History with null backing");
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}
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this.backing.undos.push(...this.undos);
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for (const undo of this.undos) {
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this.backing.undos.push(undo);
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}
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Object.assign(this.backing.current, this.current);
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this.backing = null;
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@ -113,6 +118,30 @@ function getPropertyClone(propertyHistory, key, fallback) {
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}
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}
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function namedNode(x) {
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return DataFactory.namedNode(x);
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}
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function literal(x) {
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return DataFactory.literal(x);
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}
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function makeBlockName(block) {
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return URIS.OBJECT.BLOCK + '/' + block.hash;
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}
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function makeSensorTransactionName(sensorRegistration) {
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return URIS.OBJECT.SENSOR_REGISTRATION + '/' + SensorRegistration.hashToSign(sensorRegistration);
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}
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function makeBrokerTransactionName(brokerRegistration) {
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return URIS.OBJECT.BROKER_REGISTRATION + '/' + BrokerRegistration.hashToSign(brokerRegistration);
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}
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function makeWalletName(input) {
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return URIS.OBJECT.WALLET + '/' + input;
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}
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class Updater {
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constructor(parent, block) {
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this.parent = parent;
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@ -126,20 +155,23 @@ class Updater {
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this.store.startPush();
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if (block !== null) {
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this.store.push(
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DataFactory.quad(
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DataFactory.namedNode(this.block.hash),
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DataFactory.namedNode("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),
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DataFactory.namedNode("http://SSM/Block")));
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this.pushQuad(
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namedNode(makeBlockName(this.block)),
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namedNode(URIS.PREDICATE.TYPE),
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namedNode(URIS.OBJECT.BLOCK));
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this.store.push(
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DataFactory.quad(
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DataFactory.namedNode(this.block.hash),
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DataFactory.namedNode("http://SSM/lastBlock"),
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DataFactory.namedNode(this.parent.getBlockFromTop(0).hash)));
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this.pushQuad(
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namedNode(makeBlockName(this.block.hash)),
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namedNode(URIS.PREDICATE.LAST_BLOCK),
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namedNode(makeBlockName(this.parent.getBlockFromTop(0))));
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}
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}
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pushQuad(subject, predicate, object) {
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this.store.push(
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DataFactory.quad(subject, predicate, object));
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}
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getBalanceCopy(publicKey) {
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if (publicKey in this.balances) {
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return Object.assign({}, this.balances[publicKey]);
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@ -177,9 +209,9 @@ class Updater {
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}
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getBrokerPublicKeys() {
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const keys = this.parent.getBrokerPublicKeysSet();
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const keys = this.parent.getBrokerKeysSet();
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for (const [key, value] of this.brokers) {
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for (const [key, value] of Object.entries(this.brokers)) {
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keys.add(value.input);
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}
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@ -339,7 +371,9 @@ class Chain {
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throw new Error("Finishing Blockchain Metadata with null parent");
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}
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this.parent.blocks.push(...this.blocks);
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for (const block of this.blocks) {
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this.parent.blocks.push(block);
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}
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this.balances.finish();
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this.sensors.finish();
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this.brokers.finish();
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@ -349,13 +383,30 @@ class Chain {
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}
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}
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function addRDF(store, metadata) {
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function uriReplacePrefix(testing, sensorName) {
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if (testing.startsWith(SENSHAMART_URI_REPLACE)) {
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return sensorName.concat(testing.slice(SENSHAMART_URI_REPLACE.length));
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} else {
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return testing;
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}
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}
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function addNodeRDF(updater, metadata, sensorName) {
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for (const triple of metadata) {
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store.push(
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DataFactory.quad(
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DataFactory.namedNode(triple.s),
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DataFactory.namedNode(triple.p),
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DataFactory.namedNode(triple.o)));
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updater.pushQuad(
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namedNode(uriReplacePrefix(triple.s, sensorName)),
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namedNode(uriReplacePrefix(triple.p, sensorName)),
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namedNode(uriReplacePrefix(triple.o, sensorName)));
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}
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}
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function addLiteralRDF(updater, metadata, sensorName) {
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for (const triple of metadata) {
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updater.pushQuad(
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namedNode(uriReplacePrefix(triple.s, sensorName)),
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namedNode(uriReplacePrefix(triple.p, sensorName)),
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literal(triple.o));
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}
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}
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@ -442,7 +493,7 @@ function stepIntegration(updater, reward, integration) {
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inputBalance.balance -= integration.rewardAmount;
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for (const output of integration.outputs) {
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const foundSensor = updater.getSensorCopy(output.sensor);
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const foundSensor = updater.getSensorCopy(output.sensorName);
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if (foundSensor === null) {
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return {
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@ -450,12 +501,29 @@ function stepIntegration(updater, reward, integration) {
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reason: `Integration references non-existant sensor: ${output.sensor}`
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};
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}
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if (foundSensor.counter !== output.counter) {
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if (SensorRegistration.hashToSign(foundSensor) !== output.sensorHash) {
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return {
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result: false,
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reason: "Integration references non-current version of sensor"
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};
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}
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const foundBroker = updater.getBrokerCopy(SensorRegistration.getIntegrationBroker(foundSensor));
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if (foundBroker === null) {
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return {
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result: false,
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reason: "Internal consitency error, can't find broker referenced by commited sensor registration"
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};
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}
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if (BrokerRegistration.hashToSign(foundBroker) !== output.brokerHash) {
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return {
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result: false,
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reason: "Integration references non-current version of sensor's broker"
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};
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}
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if (inputBalance.balance < output.amount) {
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return {
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result: false,
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@ -471,14 +539,21 @@ function stepIntegration(updater, reward, integration) {
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updater.setBalance(reward, rewardBalance);
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const integrationCopy = Object.assign({}, integration);
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const brokers = updater.getBrokerKeys();
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const brokers = updater.getBrokerPublicKeys();
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const witnesses = Integration.chooseWitnesses(integration, brokers);
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if (!witnesses.result) {
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return {
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result: false,
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reason: "Couldn't choose witnesses: " + witnesses.reason
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};
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}
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integrationCopy.witnesses = {};
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integrationCopy.compensationCount = 0;
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for (const witness of witnesses) {
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for (const witness of witnesses.witnesses) {
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integrationCopy.witnesses[witness] = false;
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}
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@ -567,16 +642,7 @@ function stepSensorRegistration(updater, reward, sensorRegistration) {
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};
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}
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const extInfo = SensorRegistration.getExtInformation(sensorRegistration);
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if (!extInfo.result) {
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return {
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result: false,
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reason: "Couldn't get sensor registration ext information: " + extInfo.reason
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};
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}
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const foundBroker = updater.getBrokerCopy(extInfo.metadata.integrationBroker);
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const foundBroker = updater.getBrokerCopy(SensorRegistration.getIntegrationBroker(sensorRegistration));
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if (foundBroker === null) {
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return {
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@ -609,32 +675,65 @@ function stepSensorRegistration(updater, reward, sensorRegistration) {
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rewardBalance.balance += sensorRegistration.rewardAmount;
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updater.setBalance(reward, rewardBalance);
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addRDF(updater.store, sensorRegistration.metadata);
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const sensorName = SensorRegistration.getSensorName(sensorRegistration);
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const newSensor = extInfo.metadata;
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(newSensor.sensorName),
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DataFactory.namedNode("http://SSM/transactionCounter"),
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DataFactory.literal(sensorRegistration.counter)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(newSensor.sensorName),
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DataFactory.namedNode("http://SSM/OwnedBy"),
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DataFactory.namedNode("http://SSM/Wallet/" + sensorRegistration.input)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(updater.block.hash),
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DataFactory.namedNode("http://SSM/Transaction"),
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DataFactory.namedNode(newSensor.sensorName)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(updater.block.hash),
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DataFactory.namedNode("http://SSM/SensorRegistration"),
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DataFactory.namedNode(newSensor.sensorName)));
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const foundExistingSensor = updater.getSensorCopy(sensorName);
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newSensor.counter = sensorRegistration.counter;
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updater.setSensor(newSensor.sensorName, newSensor);
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if (foundExistingSensor !== null) {
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if(foundExistingSensor.input !== sensorRegistration.input) {
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return {
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result: false,
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reason: "A sensor has already been defined with this name"
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};
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}
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}
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addNodeRDF(updater, SensorRegistration.getExtraNodeMetadata(sensorRegistration), sensorName);
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addLiteralRDF(updater, SensorRegistration.getExtraLiteralMetadata(sensorRegistration), sensorName);
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const transactionName = makeSensorTransactionName(sensorRegistration);
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if (updater.block !== null) {
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updater.pushQuad(
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namedNode(makeBlockName(updater.block)),
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namedNode(URIS.PREDICATE.CONTAINS_TRANSACTION),
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namedNode(transactionName));
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updater.pushQuad(
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namedNode(makeBlockName(updater.block)),
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namedNode(URIS.PREDICATE.CONTAINS_SENSOR_REGISTRATION),
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namedNode(transactionName));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.TYPE),
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namedNode(URIS.OBJECT.SENSOR_REGISTRATION));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.HAS_COUNTER),
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literal(sensorRegistration.counter));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.IS_OWNED_BY),
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namedNode(makeWalletName(sensorRegistration.input)));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.DEFINES),
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namedNode(sensorName));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.COSTS_PER_MINUTE),
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literal(SensorRegistration.getCostPerMinute(sensorRegistration)));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.COSTS_PER_KB),
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literal(SensorRegistration.getCostPerKB(sensorRegistration)));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.USES_BROKER),
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namedNode(makeBrokerTransactionName(foundBroker)));
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}
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updater.setSensor(sensorName, sensorRegistration);
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return {
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result: true
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@ -650,15 +749,6 @@ function stepBrokerRegistration(updater, reward, brokerRegistration) {
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};
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}
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const extInfo = BrokerRegistration.getExtInformation(brokerRegistration);
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if (!extInfo.result) {
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return {
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result: false,
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reason: "Couldn't get broker registration ext information: " + extInfo.reason
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};
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}
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const inputBalance = updater.getBalanceCopy(brokerRegistration.input);
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if (brokerRegistration.counter <= inputBalance.counter) {
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@ -683,33 +773,56 @@ function stepBrokerRegistration(updater, reward, brokerRegistration) {
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rewardBalance.balance += brokerRegistration.rewardAmount;
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updater.setBalance(reward, rewardBalance);
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addRDF(updater.store, brokerRegistration.metadata);
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const brokerName = BrokerRegistration.getBrokerName(brokerRegistration);
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const newBroker = extInfo.metadata;
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newBroker.input = brokerRegistration.input;
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(newBroker.brokerName),
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DataFactory.namedNode("http://SSM/transactionCounter"),
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DataFactory.literal(brokerRegistration.counter)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(newBroker.brokerName),
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DataFactory.namedNode("http://SSM/OwnedBy"),
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DataFactory.namedNode("http://SSM/Wallet/" + brokerRegistration.input)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(updater.block.hash),
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DataFactory.namedNode("http://SSM/Transaction"),
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DataFactory.namedNode(newBroker.brokerName)));
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updater.store.push(
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DataFactory.quad(
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DataFactory.namedNode(updater.block.hash),
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DataFactory.namedNode("http://SSM/BrokerRegistration"),
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DataFactory.namedNode(newBroker.brokerName)));
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const foundExistingBroker = updater.getBrokerCopy(brokerName);
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newBroker.counter = brokerRegistration.counter;
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updater.setBroker(newBroker.brokerName, newBroker);
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if (foundExistingBroker !== null) {
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if(foundExistingBroker.input !== brokerRegistration.input) {
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return {
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result: false,
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reason: "A broker has already been defined with this name"
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};
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}
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}
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addNodeRDF(updater, BrokerRegistration.getExtraNodeMetadata(brokerRegistration), brokerName);
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addLiteralRDF(updater, BrokerRegistration.getExtraLiteralMetadata(brokerRegistration), brokerName);
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const transactionName = makeBrokerTransactionName(brokerRegistration);
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if (updater.block !== null) {
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updater.pushQuad(
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namedNode(makeBlockName(updater.block)),
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namedNode(URIS.PREDICATE.CONTAINS_TRANSACTION),
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namedNode(transactionName));
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updater.pushQuad(
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namedNode(makeBlockName(updater.block)),
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namedNode(URIS.PREDICATE.CONTAINS_BROKER_REGISTRATION),
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namedNode(transactionName));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.TYPE),
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namedNode(URIS.OBJECT.BROKER_REGISTRATION));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.HAS_COUNTER),
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literal(brokerRegistration.counter));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.IS_OWNED_BY),
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namedNode(makeWalletName(brokerRegistration.input)));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.DEFINES),
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namedNode(brokerName));
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updater.pushQuad(
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namedNode(transactionName),
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namedNode(URIS.PREDICATE.HAS_ENDPOINT),
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literal(BrokerRegistration.getEndpoint(brokerRegistration)));
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}
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updater.setBroker(BrokerRegistration.getBrokerName(brokerRegistration), brokerRegistration);
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return {
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result: true
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@ -850,6 +963,8 @@ function findBlocksDifference(oldBlocks, newBlocks) {
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const verifyRes = verifyBlockHash(newBlocks[i - 1], newBlocks[i]);
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if (!verifyRes.result) {
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console.log(`${newBlocks[i - 1].hash}`);
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console.log(`${newBlocks[i].lastHash}`);
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return {
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result: false,
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reason: `Couldn't verify hashes for block ${i}: ${verifyRes.reason}`
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@ -976,9 +1091,9 @@ class Blockchain {
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return true;
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}
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wouldBeValidBlock(rewardee, payments, sensorRegistrations, brokerRegistrations, integrations) {
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wouldBeValidBlock(rewardee, payments, sensorRegistrations, brokerRegistrations, integrations, compensations) {
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const updater = this.chain.createUpdater(null);
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return verifyTxs(updater, rewardee, payments, sensorRegistrations, brokerRegistrations, integrations).result;
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return verifyTxs(updater, rewardee, payments, sensorRegistrations, brokerRegistrations, integrations, compensations).result;
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}
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static isValidChain(blocks) {
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@ -1025,8 +1140,11 @@ class Blockchain {
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this.chain = baseChain;
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verifyResult.newChain.finish();
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onChange(this, this.blocks(), oldChain, chainDifferenceRes.difference);
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console.log(`new chain of length: ${this.blocks().length}`);
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onChange(this, this.blocks(), oldChain.blocks, chainDifferenceRes.difference);
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return {
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result: true,
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chainDifference: chainDifferenceRes.difference,
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||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue