tronweb | Javascript API Library for interacting with the TRON Network | Frontend Framework library
kandi X-RAY | tronweb Summary
kandi X-RAY | tronweb Summary
TronWeb aims to deliver a unified, seamless development experience influenced by Ethereum's Web3 implementation. We have taken the core ideas and expanded upon it to unlock the functionality of TRON's unique feature set along with offering new tools for integrating DApps in the browser, Node.js and IoT devices.
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tronweb Key Features
tronweb Examples and Code Snippets
const TronWeb = require("tronweb");
const tronWeb = new TronWeb({
fullHost: 'https://api.shasta.trongrid.io',
headers: { "TRON-PRO-API-KEY": '6ad9cb75-****-4f4c-a9cf-2156aa5e8453' },
privateKey: 'c4f27f7b0*********67d371440514
Community Discussions
Trending Discussions on tronweb
QUESTION
How can I send tron to a smart contract function in tronlink web. I am trying the below method, but not working.
...ANSWER
Answered 2021-May-17 at 17:01callValue - Amount of SUN transferred to the contract with this transaction. (1TRX = 1,000,000 SUN)
QUESTION
I'm triyng build interfacing with simple tron smartcontract with front end but i cant! Here is problem:
...ANSWER
Answered 2021-Mar-25 at 20:49Try
instance = await tronWeb.contract().at(trc20ContractAddress)
QUESTION
How to get all events logs of the contract in tron network using tronweb in node js without any limit? or is there need of any middle ware storage like redis, etc? Need to get all data at once before loading dapp home page. The dApp is made in react js. And Trongrid api have this limit of 200 records in single request.
...ANSWER
Answered 2020-Oct-20 at 11:18You can use fingerprint
(it works like continue token)
QUESTION
Using a node.js client, I'm trying to invoke a smart contract function by:
- Creating a transaction
- Signing it
- Broadcast the signed transaction
I deployed a simple smart contract:
...ANSWER
Answered 2020-Aug-28 at 05:40try writing function parameters without spaces.const functionSelector = 'testFunction(string,uint)';
I read in the documentation that you have to write without spaces, it worked for me on python.
QUESTION
I have a for loop that gets data that I'm trying to parse into a chart. I can only seem to get the first bit of data, not everything in the array.
My JS file -
...ANSWER
Answered 2020-Sep-10 at 16:32You are reassigning a new array to chartData
on each iteration, so it ends up with only the last value. Instead, you should create an empty array before the loop and push
elements into it.
QUESTION
i want to get the balace of the tron wallet.
when i want to return it to show it on the web page with expressjs it print [object Promise]
ANSWER
Answered 2020-Aug-13 at 07:24You should write
QUESTION
I'm trying to validate a signed message using a smart contract running on the TRON network. I've tried a few different methods but all failed:
Based on this article I've deployed the following smart contract:
...ANSWER
Answered 2020-Jun-07 at 20:57I got it.
The smart contract code:
QUESTION
I'm trying to get back all the struct
type records from my solidity contract
function please see the below solidity contract
code snippet
ANSWER
Answered 2020-Apr-12 at 03:24In ABI, any return value of a struct type will be interpreted as tuple
. In your case, its type is tuple[]
.
The library has no clue what's your tuple
is, how long it is, what's the type.
You should parse the return data by hand.
QUESTION
I am using tron web to query transactions of an address but it does not return transactions sent to that address where token transferred is TRC20.
This does not work. I want to get the transactions on an address and get both TRX, trc10 and trc20 transactions.
What am I doing wrong or how to do that?
Here is my code block:
...ANSWER
Answered 2019-Dec-18 at 13:21After a lot of research I found out one can easily query contract events at intervals to get transactions on that contract address and you can then filter it for the address you are watching since you cant get a webhook or websocket with your trongrid/tronweb implementation.
Here is a sample file I used to achieve this and it works great for monitoring many address even with different contract addresses.
Note: In my own implementation, this node file is called from another file and other logistics are handled in the other file, but below you see how I queried the trasfer events emitted by the specified contract
QUESTION
I am aiming for wallet address encryption, using the TronWeb.createAccount(), I fetch the public address for wallet in base58 and the private key as hex.
...ANSWER
Answered 2019-Oct-17 at 15:39I had to study the ECDH supported key format and regenerate the keys according to new format to be able to fix this issue. There were two formats of the public key that we can use to encrypt data.
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