Questions tagged [0x]
The 0x tag has no usage guidance.
300
questions
0
votes
1
answer
4
views
Batch Token Swap using 0x
I'm trying to make a telegram bot that sells all the tokens available on a wallet using Ox API. In order to automate the process with only command, I'm okay with adding the private key to the script.
...
0
votes
1
answer
17
views
How to subscribe to swap events for 0x protocol?
I'm building an nft marketplace and I'm getting the data from reservoir. I have built swap/trade functionality using 0x on my marketplace. I want to now subscribe to swap events on my marketplace. Is ...
- 1
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votes
0
answers
9
views
0x Swap API Is there a recommended approach for handling these error responses uniformly?
Subject: Assistance Request for 0x Integration
Description:
Hello 0x Support Team,
I hope this message finds you well. I am currently in the process of integrating the 0x API into my project, and I've ...
- 1
0
votes
0
answers
7
views
does 0xlabs work with all tokens?
Can I use API to make a dapp that lets users buy low mcap tokens?
ATM I only get results for tokens like DAI, USDT, ETH. I would've thought if it aggregates uniswap, it'll aggregate any token that's ...
1
vote
1
answer
42
views
Quote from 0x API endpoint feeRecipientTradeSurplus parameter not doing anything?
The documentation for the 0x API "quote" endpoint indicates that adding a feeRecipientTradeSurplus parameter to the query should generate a transaction where any "trade surplus fees&...
- 2,988
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votes
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answers
20
views
0x TransformERC20 WalletExecuteDelegateCallFailedError
During simple swap with transformERC20, sometime the transaction revert with IncompleteFillSellQuoteError and WalletExecuteDelegateCallFailedError. I saw on stackexchange that this issue is caused by ...
- 11
1
vote
0
answers
22
views
0x protocol swap api not fetching liquidity from pancakeswap
I created a liquidity pool on pancakeswap for an asset pair for goerli network. I get this error when i try and fetch the price.
here is the api request
https://goerli.api.0x.org/swap/v1/price?...
0
votes
0
answers
12
views
Facing ZIPPO_CONTEXT_INVALID error while fetching price or calling any other api on mumbai testnet
I am trying to call this endpoint on mumbai testnet using 0x protocol and getting the error .
{
"code": 100,
"reason": "Validation Failed",
"validationErrors": [...
0
votes
0
answers
26
views
Problem with 0x Protocol API
Is it possible to specify the Maker address of the RFQ order by using get-swap-v1-quote in 0xapi, because I want to trade the order through the specified maker address
1
vote
0
answers
30
views
Decode FillQuoteTransformer data in 0x Protocol
I'm trying to decode FillQuoteTransformer input data for 0x protocol. I'm able to decode other transformer very well but am stuck with this one. It does technically decode the data but I'm not sure ...
- 113
2
votes
1
answer
62
views
`ZIPPO_CONTEXT_INVALID` error when querying 0x goerli swap api quote endpoint
When querying the following endpoint and parameters: https://goerli.api.0x.org/swap/v1/quote?buyToken=0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee&sellAmount=1000000000000&sellToken=...
- 23
2
votes
0
answers
68
views
ZIPPO_CONTEXT_INVALID error when querying 0x mumbai api quote endpoint
When querying the following endpoint and parameters: https://mumbai.api.0x.org/swap/v1/quote?sellToken=0xA6FA4fB5f76172d178d61B04b0ecd319C5d1C0aa&buyToken=...
- 21
0
votes
0
answers
9
views
Invalid token combination - Arbitrum
Making a quote request on arbitrum
request: https://arbitrum.api.0x.org/swap/v1/quote?sellToken=USDC&buyToken=UNI&buyAmount=1000000&includedSources=GMX
I get invalid token combination as ...
0
votes
1
answer
28
views
Too few ERC721 Orders on 0x v4 Exchange
I'm trying to grab information about NFT-to-ERC20 swaps conducted over 0x V4 (on Ethereum). My initial intention was to read ERC321OrderFilled events from https://etherscan.io/address/...
- 1
2
votes
1
answer
30
views
CORS Policy Blocking Axios Request with 0x-api-key Header to 0x API on Goerli Network
I'm currently working on a project where I use the 0x API on the Goerli network to swap tokens. I'm making an HTTP GET request using axios from a web application served from http://localhost:3000.
...
- 31
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votes
0
answers
25
views
BNB Swapping using 0x API. Using WBNB, BNB or alternatively?
I am currently developing a service that uses the 0x API to swap tokens on the Binance Smart Chain (BSC). I am trying to enable swaps that involve BNB, the native token of BSC. (For example: sell BNB, ...
- 1
0
votes
1
answer
34
views
execution reverted 0x contract on goerli for swap but every transaction fails while giving me the error? although tx object is fine
i am getting the same error on every transaction and its on goelri network, furthermore not supoorting much of pairs. Attaching the image for reference
1
vote
0
answers
25
views
0x ExchangeProxy addresses point to different implementations on Ethereum and Polygon
Why is it that on ethereum the 0xDef1C0ded9bec7F1a1670819833240f027b25EfF contract is a ERC1155OrdersFeature and on Polygon it is a ERC721OrdersFeature? Does is mean that there is no ERC1155 support ...
- 146
0
votes
1
answer
30
views
Does 0x still have the condensed RFQ order type, and if so where is its structure defined?
I am looking into the 0x docs at the moment, and get a 404 error when attempting to view the RFQ order type structure in the cheat sheet section. Where can I find this order type's struct?
Thanks!
- 1
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votes
0
answers
32
views
[0x https://bsc.api.0x.org/swap/v1/quote? and MultiHop
i'm trying to swap two token on BSC WBNB for BUSD or else with https://bsc.api.0x.org/swap/v1/quote? . All transactions work fine when 0x selected a simple DEX or Multi DEX but failed when 0x ...
0
votes
1
answer
36
views
I reported an error during contract interaction
This is my method of obtaining the signer
async function getSigner() {
if (window.ethereum) {
await window.ethereum.enable()
provider = new ethers.providers.Web3Provider(window.ethereum)
// console....
- 1
0
votes
0
answers
20
views
Function Visibility specifiers during inheritance
when am overriding a function in solidity must my child function have the same visibility as the parent function? can the parent function be public and the child function be internal
0
votes
0
answers
70
views
0x API key in Client-Side dapp
From the docs, getting started section:
"Starting in June 2023, all API requests without an API key will return an error. Visit 0x Dashboard to get your API key."
"This key is unique ...
0
votes
1
answer
39
views
"Uni::transferFrom: transfer amount exceeds spender allowance" code: 105
I get this error when i'm trying to get a quote for uni to weth swap.
https://goerli.api.0x.org/swap/v1/quote?sellToken=0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984&buyToken=...
0
votes
2
answers
107
views
0xapi swap Asking for a quote for code: 111, reason: 'Gas estimation failed'
const response= await fetch(https://api.0x.org/swap/v1/quote?sellToken=0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2&buyToken=0x6b175474e89094c44da98b954eedeac495271d0f&sellAmount=100&...
- 1
0
votes
0
answers
30
views
Matic address for polygon.api.0x.org/swap/v1/quote
Good morning,
I use the API of 0x and more precisely this route:https://polygon.api.0x.org/swap/v1/quote
I do not understand why we must use the address ...
0
votes
0
answers
19
views
Trying to use Utils from "@0x/protocol-utils" but it gives undefined
I'm trying to use utils for signing a transaction for sellOrder of ERC721<->ERC20 as instructed here -
https://protocol.0x.org/en/latest/basics/orders.html#how-to-sign
import utils from '@0x/...
0
votes
0
answers
26
views
Error:"SWAP_CALL_FAILED" while using fillQuote function in 0x
Hi I am trying to swap tokens using 0x. I try to use fillQuote funtion for swapping from fill the input from API of 0x but I am getting Error: VM Exception while processing transaction: reverted with ...
1
vote
0
answers
46
views
CORS Issue with the /quote 0x API endpoint
I'm a new web2 fullstack web dev trying to get his feet in web3 and i've tried to create my first web3 dApp.
For the profile section and displaying a users' NFT and tokens balances I easily managed my ...
- 11
1
vote
1
answer
28
views
0x swap Expected quote.orders to conform to schema /signedOrdersSchema
Hi i should like to know if the fonction "swapQuoteConsumer.executeSwapQuoteOrThrowAsync(quote,{opt})" is depreciated in 0x protocol V4 or not ? i have a perdsistent "error Expected ...
- 11
0
votes
0
answers
51
views
Error with 0x exchange proxy
I'm now trying to swap with 0x exchange proxy on bsc chain. I used the 0x api to generate the calldata and passed it to the exchange proxy ( 0xdef1c0ded9bec7f1a1670819833240f027b25eff) and it results ...
- 1
0
votes
0
answers
30
views
How does the buyAmount in response change when setting enableSlippageProtection in a 0x Swap request?
According to the docs (https://docs.0x.org/0x-swap-api/advanced-topics/slippage-protection#response-changes), when enableSlippageProtection is not false, the buyAmount & price returned will factor ...
- 116
0
votes
0
answers
45
views
How to get 0x api description in JSON of each network?
Is that possible to get full JSON description of 0x API for each network similar to One Inch openApi https://api.1inch.io/swagger/ethereum-json? Probably you have a URL not for separated requests?
0
votes
0
answers
51
views
Receiving SenderNotAuthorizedError error while making 0x swap
I am trying to recreate swap with 0x API. I am trying to swap WETH, which I have in my wallet
Here is my swap code
async function getQuote(account){
console.log("Getting Quote");
// if only &...
- 1
1
vote
1
answer
152
views
Call Requests Limit
I made a bot swap on bsc network using 1inch 0x and para swap.. everything is great except one thing which is Call requests I can’t make call every 1 sec for more than 1 token when make 2 tokens my ip ...
1
vote
1
answer
77
views
0x swap api gas is doubled when adding feeRecipient and buyTokenPercentageFee
I would like to collect fees on trade using 0x API. But the gas in the quote response is doubled or more when adding feeRecipient and buyTokenPercentageFee which doubles the gas price users are paying....
- 11
1
vote
3
answers
415
views
Get the token id from 0x number
How can I use ethers.js to get the token id (34797) from this 0x number?
0x0000000000000000000000000000000000000000000000000000000000034797
I'm not sure which util to use from ethers.js I've looked ...
- 43
0
votes
0
answers
51
views
ZRX staking was my goal on this website: https://www.0x.org/zrx/vote and from my Metamask wallet
I have question!
I just wanted to stake my ZRX tokens on ETH chain from my Metamask and went to this website: https://www.0x.org/zrx/vote
sent some little fee and now I can not see anymore my tokens ...
0
votes
1
answer
62
views
[0x End Point API https://bsc.api.0x.org/swap/v1/quote?
where find the list of token available on API EndPoint https://bsc.api.0x.org/swap/v1/quote?
When i'm trying to quote with https://bsc.api.0x.org/swap/v1/quote? all is ok for pair 'BUSD-WBNB', 'BUSD-...
0
votes
1
answer
117
views
How to identify valid token pairs on 0x
I am trying to use 0x for a project and I am getting a lot of Invalid token combination errors when trying to get price quotes.
So this works (USDC / ETH):
https://api.0x.org/swap/v1/quote?buyToken=...
- 3
0
votes
0
answers
36
views
I am trying to build 0xAPI on my local environment but it occurs following errors
I followed the readme.
https://github.com/0xProject/0x-api
"yarn build" was succeeded but "yarn db:migrate" occurs following errors.
0
votes
0
answers
78
views
Slight MEV ETH transaction
Thorswap integrates 0x as a liquidity provider on Ethereum. A user reports getting much less than anticipated on this transaction:
https://etherscan.io/tx/...
0
votes
1
answer
49
views
Could not find corresponding event log from 0x aggregator contract
Looking at the event log from the 0x Protocol aggregator contract ("0xdef1c0ded9bec7f1a1670819833240f027b25eff"), I could not find corresponding event to the following log topics0 "...
- 26
0
votes
1
answer
200
views
Problem with 0x Protocol Goerli API
I'm trying to test the 0x quote API, ran into an issue with the Goerli endpoint.
I sent a quote request to mainnet, to sell WETH and buy USDC:
https://api.0x.org/swap/v1/quote?buyToken=USDC&...
- 3
0
votes
1
answer
34
views
Does Taker on 0x generate only 1 tx ? (not 2, one for maker and one for taker)
I am writing a book about cryptocurrency history. I have questions about 0x, Etherdelta, and IDEX.
Question 1. This is the last trading process from 0x whitepaper page 5.
Taker submits the makers ...
1
vote
2
answers
60
views
Wallet Integration with 0x
We are building a decentralized wallet. There are some questions about the integration with 0x.
Is there any direct way to add fee
If there is any API parameters to add fee.
Please share your ...
- 11
0
votes
1
answer
363
views
Multicall Smart Contract: BEP20: transfer amount exceeds balance
I'm created a Smart Contract with the abilities to execute a multi call to the 0x DeFi aggregator. I already have the logic on my centralised server who checks for an arbitrage opportunity. When an ...
0
votes
0
answers
44
views
0x Mumbai api orderbook is not working
I want to build an application on polygon. For testing I want to use Mumbai testnet. But orderbook api for mumbai doesn't seem to be working. But same API is working for polygon.
For example
https://...
0
votes
0
answers
68
views
My 0x api results are wrong
HI My result of scanning with 0x Api is wrong and the results are not what shown in dexs for arbitrage
from urllib.request import urlopen
import requests
import pandas as pd
from json import loads as ...
0
votes
1
answer
553
views
Set Max Approval use big number
i am want create max approval fot approve token transaction on polygon exchange like this
const maxApproval = new BigNumber(2).pow(256).minus(1);
i see the documention in https://docs.0x.org/0x-api-...
