Questions tagged [binance-smart-chain]
The binance-smart-chain tag has no usage guidance.
22
questions
0
votes
0answers
5 views
safest way to lock or burn LP?
I wrote a contract to buy liquidity as it sells tokens. The LP tokens are "public liquidity" that never shouldn't be removed from the pool.
I actually send LP to the 0x0 address. As I only ...
0
votes
1answer
18 views
After all attempts to verify the smart contract, i keep getting PaserError - not found: File import callback not supported
This is the issue: ParserError: Source "@openzeppelin/contracts/access/Ownable.sol" not found: File import callback not supported. Showing a picture below. It's on bscscan between to verify. ...
1
vote
1answer
17 views
Getting the functions of an unpublished contract
New to all this so please be gentle.
Suppose a contract is deployed, eg: 0xfc0995dc31ff8986bedbb3e88c21a89997f54c12
Checking its contract tab under bscscan shows it hasnt been published, though its ...
0
votes
0answers
13 views
please help... How do I fix these issues
from solidity:
DeclarationError: Non-abstract contracts cannot have internal constructors. Remove the "internal" keyword and make the contract abstract to fix this.
--> .deps/npm/@...
0
votes
0answers
16 views
BEP20 - Is this a bad practice / security issue or moral issue?
I have the following BEP20 token, pretty simple extending from openzeppelin implementation.
pragma solidity >=0.6.12;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "...
0
votes
0answers
26 views
Trust Wallet mnemonic gives binascii.Error: Non-hexadecimal digit found
It's impossible to extract the private key from Trust Wallet.
Trying to use their mnemonic in python gives me this error.
There isn't a fully working solution on stack for this particular problem.
...
1
vote
1answer
12 views
Creation of contract pending
So I have tried to create my own token on Binance Smart Chain Network. For some reason in Remix my creation of contract is still pending while I looked on BSC and there it shows that transaction went ...
0
votes
1answer
32 views
How to Sort total liquidity by top liquidity available?
Hi I am making a DEX and I am stuck with a problem, I want to Sort total liquidity by top liquidity available for a token paired with BNB or native token. I am using 0x API but there is nothing to do ...
0
votes
0answers
32 views
Changing fees in smart contract
I am quite beginner to solidity, trying to learn smart contracts.
so here in this code:
bool autoLiquifyEnabled = true;
uint256 liquidityFee = 600;
uint256 liquidityFeeAccumulator;
uint256 buybackFee ...
0
votes
0answers
117 views
How to get Pair Contract Address or LP Pool Address of a Token in web3.py
I managed to have this code run after few hours of searches but unfortunately, this does not produce the output I wanted. Any ideas what could be the problem?
from web3 import Web3
from eth_abi....
0
votes
0answers
26 views
New BEP-20 Liquidity Pool Issue - Left Over Tokens after burn
I am new to liquidity so I think I made a mistake that I can't afford being a new "legitimate" startup company with a real purpose.
I minted 1,000,000,000,000,000 and burned 550,000,000,000,...
0
votes
1answer
18 views
Approve BNB spend
This is not ERC20 related, rather for BSC. Before a pre-sale, I want to manually approve a contract allowing the site to spend my BNB. I've seen how this can be done from bscscan.com (contract -> ...
0
votes
0answers
115 views
Getting the Liquidity Pool Address of a token using web3.py connected in Binance Smart Chain
The snippet below checks for the latest added Liquidity Pool of a token. In poocoin.app, the LP Pool Address can be checked based on the pair (TOKEN/BNB LP Holdings). I wanted to know if web3.py can ...
0
votes
0answers
34 views
Pancakeswap: TRANSFER_FAILED. Why?
I am trying to buy a token at the listing time, but my transactions get rejected with the error "TRANSFER_FAILED" while other transactions at the same time are successful. I have tried high ...
1
vote
1answer
34 views
Is it possible to create a game that can withdraw a coin balances tracked off-chain?
I have a game where the data is saved in a MYSQL database
Is it possible to create a "play to earn" game, that the balance is saved in the database and the user can make the withdraw using ...
0
votes
1answer
91 views
BSC token swap API error with 0x.org
I am using 0x for swapping my Binance token to other respected tokens. I got the required data from the 0X API but every time it's showing that the transaction reverted without reason error by the EVM....
0
votes
1answer
1k views
What's the BNB Contract Address on Binance Smart Chain?
What is the BNB contract address on Binance Smart Chain if any?
1
vote
1answer
18 views
Run Binance Smart Chain Price Feeds from Chainlink on Testnet
I found the following link to get a price feed on Binance Smart Chain:
https://docs.binance.org/smart-chain/developer/link.html
However, I want to run it on a testnet first. How could I do that?
2
votes
1answer
542 views
Uniswap Router initialization in Ethereum mainnet versus BSC
I analyzed the source code contracts of several tokens, and I noticed a line of code that differs between two similar ones that I am trying to make sense of. Specifically, I would appreciate your ...
0
votes
0answers
27 views
I am unable to find my USDT after i swapped it using the Binance Smart Chain Network
I deposited BNB in the metamask Binance Smart Chain Mainnet and swapped it with USDT in PancakeSwap. After a while, I am unable to view where the USDT coins are. I imported the USDT tokens manually ...
0
votes
0answers
51 views
BalanceOf always returns 0
I am trying to get the WBNB balance for an address by executing the following:
const ethers = require('ethers');
const secrets = require('./secrets.json');
const WBNB = "...
0
votes
1answer
178 views
What is the best way to create Binance Smart Chain (BSC) transactions via geth without a full node?
I currently run geth to create and query the ethereum blockchain for transactions in light mode. I don't have a eth full node running. I tried running the same similar setup for Binance Smart Chain in ...
