cocos2dx-store | app purchase & virtual economy library | Blockchain library
kandi X-RAY | cocos2dx-store Summary
kandi X-RAY | cocos2dx-store Summary
Haven't you ever wanted an in-app purchase one liner that looks like this ?!.
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cocos2dx-store Key Features
cocos2dx-store Examples and Code Snippets
Community Discussions
Trending Discussions on Blockchain
QUESTION
I am new to blockchain app development, I saw a project where ganache accounts are imported into Metamask, then web3.js is used to access and print those accounts and balances on Frontend (user interface).
If web3.js can directly access ganache blockchain accounts and balances, why do we need Metamask in between?
...ANSWER
Answered 2022-Feb-08 at 09:11If web3.js can directly acccess ganache blockchain accounts and balances, why we need metamask in between?
In this case, you don't need MetaMask to sign the transaction, as the node (Ganache) holds your private key.
But in a public environment (testnets and mainnet), the node doesn't hold your private key, so you'd need to sign the transaction using MetaMask (or any other tool that holds the private key).
QUESTION
I tried https://docs.opensea.io/reference opensea.io docs to fetch data. However, I think there are 2 APIs.
...ANSWER
Answered 2021-Aug-04 at 15:03The assets
endpoint (docs) has the asset_contract_address
filter that allows you to filter by a contract address. Which will effectively allow you to paginate through all NFTs of the contract (that Opensea knows of).
Example:
QUESTION
I want to publish files on ipfs but it's showing me an error.
Here is my code...
...ANSWER
Answered 2021-Nov-11 at 04:27I am not familiar with ipfs but i checked the official docs and they have done the first line like this:
QUESTION
I have been trying to interact with a contract on the AVAX chain using web3js and it keeps throwing the error, "TypeError: Cannot read properties of undefined (reading 'send')". I cannot figure out why this is happening, as it should be a valid statement. If anyone can help that would be awesome.
...ANSWER
Answered 2022-Mar-19 at 17:10The ABI needs to contain just the function and event definitions that are stored in your result
property. Without the wrapper object containing status
and other properties.
So in your case
QUESTION
I've been using the testnet lately and I encounter issues: they reset it very often and the service is down for multiple hours and sometimes have bugs.
Should I use the devnet? From what I've understood it's more stable and they reset it less often?
I have a backend in js that uses the elrond-sdk-erdjs and I'm confused because there is no function that initializes the https://devnet-gateway.elrond.com only the testnet. Is there a reason?
...ANSWER
Answered 2021-Aug-24 at 12:56The testnet is pretty volatile and it is reset very often (maybe weekly), without any warnings. Elrond recommends developers to use the devnet, it is reset maybe once every 3-4 months, so it's more stable.
You can get the provider like this:
QUESTION
Hey guys I am trying to deploy my project on the rinkeby chain using infura, but I am getting a ValueError Here is my trackback:
...ANSWER
Answered 2021-Nov-28 at 10:14it appears your env variables are not set correctly, and it looks like in this case it's your WEB3_INFURA_PROJECT_ID.
You can fix it by setting the variable in your .env file and adding dotenv: .env to your brownie-config.yaml.
brownie-config.yaml:
dotenv: .env .env:
export WEB3_INFURA_PROJECT_ID=YOUR_PROJECT_ID_HERE Remember to save these files.
Additionally, you should be on at least brownie version v1.14.6. You can find out what version you're on with:
brownie --version
QUESTION
I am very new to blockchain programming and programming in general. I want to generate my SOL address using the mnemonic seed phrase with the derivation path "m/44'/501'/0'/0". I can't find a proper BIP44 module for python where you can specify the derivation path.
...ANSWER
Answered 2022-Feb-23 at 00:41After a long search through the internet, I have finally found a way of solving my problem that I want to share with you.
QUESTION
ANSWER
Answered 2021-Oct-18 at 02:20I had the same issue but then I installed with npm and it worked
QUESTION
enter image description hereI've installed latest version of visual studio with desktop development c++ workload but still they are asking for it when i try to install truffle. I entered command :npm install -g truffle and lot of messages appear after 2 to 3 minutes of some kind of installation process. they are asking for Latest version of Visual Studio with "Desktop development with c++ workload" whereas i just installed my Visual studio with the same requirements. node.js and ganache are already installed. Is there any other way to install truffle?
...ANSWER
Answered 2022-Feb-17 at 16:59If you are installing it using npm package manager. Downgrade your npm to 7.24.2 it worked for me I hope it will also work for you. Use the following command to downgrade npm
QUESTION
I'm trying to swap tokens on uniswap unsing hardhat's mainnet fork but I'm getting this error: Error: Transaction reverted without a reason string
. And I don't really know why.
Here is my swap function:
...ANSWER
Answered 2022-Feb-17 at 06:46Weth
is different from other token, you're not able to use swapTokensForTokens
. We must use the swapEthForTokens
function instead, and you have to declare the data option separately.
so in your case we need to do:
Solidity code:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install cocos2dx-store
Clone this repository recursively: git clone --recursive https://github.com/soomla/cocos2dx-store.git
Run ./build_all from project directory
Take created binaries from build directory and use it!
If you didn't already, clone the Cocos2d-x framework from here, or download it from the Cocos2d-x website. Make sure the version you clone is supported by SOOMLA's cocos2dx-store (the tag is the version).
Clone soomla-cocos2dx-core and cocos2dx-store into the extensions folder located at the root of your Cocos2d-x framework. $ git clone git@github.com:soomla/soomla-cocos2dx-core.git extensions/soomla-cocos2dx-core $ git clone git@github.com:soomla/cocos2dx-store.git extensions/cocos2dx-store
cocos2dx-store uses a fork of the jansson library for JSON parsing. Clone it into the external directory at the root of your Cocos2d-x framework. $ git clone git@github.com:soomla/jansson.git external/jansson
Create your own implementation of CCStoreAssets that will represent the assets in your specific game. For a complete example refer to cocos2dx-store-example.
Make sure to include the Cocos2dxStore.h header whenever you use any of the cocos2dx-store functions: #include "Cocos2dxStore.h"
Initialize CCSoomla and CCSoomlaStore with the class you just created, a customSecret and other params: soomla::CCSoomla::initialize("ExampleCustomSecret"); YourImplementationAssets *assets = YourImplementationAssets::create(); __Dictionary *storeParams = __Dictionary::create(); storeParams->setObject(__String::create("ExamplePublicKey"), "androidPublicKey"); storeParams->setObject(__Bool::create(true), "testPurchases"); storeParams->setObject(__Bool::create(true), "SSV"); storeParams->setObject(__Bool::create(true), "verifyOnServerFailure"); soomla::CCSoomlaStore::initialize(assets, storeParams); Custom Secret - is an encryption secret you provide that will be used to secure your data. Android Public Key - is the public key given to you from Google. (iOS doesn't have a public key). Test Purchases - allows testing IAP on Google Play. (iOS doesn't have this functionality). SSV - enables Fraud Protection. (in order to activate it in Google Play see the related section below). verifyOnServerFailure - if you use Fraud Protection, optionally you set this param, if you want to get purchases automatically verified in case of network failures during the verification process. Choose the secret wisely. You can't change it after you launch your game! Initialize CCSoomlaStore ONLY ONCE when your application loads.
You'll need to subscribe to store events to get notified about in-app purchasing related events. refer to the Event Handling section for more information.
Add jansson (external/jansson/) to your project (just add it as a source folder, make sure to check "create group").
For each of the following XCode projects:
Cocos2dXCore.xcodeproj (extensions/soomla-cocos2dx-core/).
Cocos2dXStore.xcodeproj (extensions/cocos2dx-store/). a. Drag the project into your project. b. Add its targets to your Build Phases->Target Dependencies. c. Add its .a files to Build Phases->Link Binary With Libraries.
Add the following directories to Build Settings->Header Search Paths (with the recursive option): $(SRCROOT)/../cocos2d/extensions/soomla-cocos2dx-core/Soomla $(SRCROOT)/../cocos2d/extensions/soomla-cocos2dx-core/build/ios/headers $(SRCROOT)/../cocos2d/extensions/cocos2dx-store/Soomla
Add -ObjC to your project Build Settings->Other Linker Flags.
Make sure you have these 3 Frameworks linked to your XCode project: Security, libsqlite3.0.dylib, StoreKit.
Import cocos2dx-store module into your project's Android.mk by adding the following: //Add this line along with your other LOCAL_WHOLE_STATIC_LIBRARIES LOCAL_WHOLE_STATIC_LIBRARIES += cocos2dx_store_static //Add this line at the end of the file, along with the other import-module calls $(call import-module, extensions/cocos2dx-store)
Add the following jars to your android project's classpath: From extensions/soomla-cocos2dx-core/build/android: SoomlaAndroidCore.jar Cocos2dxAndroidCore.jar square-otto-1.3.2.jar
Update your AndroidManifest.xml to include permissions and the SoomlaApp: <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="com.android.vending.BILLING"/> <application ... android:name="com.soomla.SoomlaApp"> ... </application>
Add AndroidStoreGooglePlay.jar from extensions/cocos2dx-store/build/android/billing-services/google-play to your classpath:
Update your AndroidManifest.xml: ... <uses-permission android:name="com.android.vending.BILLING"/> <application ... <activity android:name="com.soomla.store.billing.google.GooglePlayIabService$IabActivity" android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen"/> <meta-data android:name="billing.service" android:value="google.GooglePlayIabService"/> </application>
Read our tutorial on how to define your in-app products in Google Play.
Start IAB Service in background (optional) // Start Iab Service #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) CCSoomlaStore::getInstance()->startIabServiceInBg(); #endif // Stop Iab Service #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID) CCSoomlaStore::getInstance()->stopIabServiceInBg(); #endif This is not mandatory, your game will work without this, but we recommend it because it enhances performance. The idea here is to preemptively start the in-app billing setup process with Google's servers. In many games the user has to navigate into the in-game store, or start a game session in order to reach the point of making purchases. You want the user experience to be fast and smooth and prevent any lag that could be caused by network latency and setup routines you could have done silently in the background. Don't forget to close the Iab Service when your store is closed.
In case you want to turn on Fraud Protection you need to get clientId, clientSecret and refreshToken as explained in Google Play Purchase Verification and use them like this: storeParams->setObject(__String::create(<YOU_CLIENT_ID>), "clientId"); storeParams->setObject(__String::create(<YOUR_CLIENT_SECRET>), "clientSecret"); storeParams->setObject(__String::create(<YOUR_REFRESH_TOKEN>), "refreshToken");
Add in-app-purchasing-1.0.3.jar and AndroidStoreAmazon.jar from extensions/cocos2dx-store/build/android/billing-services/amazon to your classpath:
Update your manifest: <receiver android:name = "com.amazon.inapp.purchasing.ResponseReceiver" > <intent-filter> <action android:name = "com.amazon.inapp.purchasing.NOTIFY" android:permission = "com.amazon.inapp.purchasing.Permission.NOTIFY" /> </intent-filter> </receiver> <meta-data android:name="billing.service" android:value="amazon.AmazonIabService" />
Read our tutorial on how to define your in-app products in the Amazon Appstore.
Read our tutorial on how to define your in-app products in the App Store.
Use SOOMLA's Fraud Protection (Optional) As you probably know, fraud on IAP is pretty common. Hackers can crack their smartphones to think that a purchase was made when the payment isn't actually transferred to you. To help game developers with this issue, we created a verification server that you can use instantly through the framework. All you need to do is let cocos2dx-store know that you want to verify purchases. You can do this by passing an extra parameter to CCSoomlaStore: storeParams->setObject(Bool::create(true), "SSV"); soomla::CCStoreService::initShared(assets, storeParams);
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