Questions tagged [0x]
The 0x tag has no usage guidance.
302
questions
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3
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0X Swap failing when swapping Token X for Native Currency Smart Contract Integration
i have a contract that i would like to utilize the zeroEx protocol with
i am calling the qoute endpoint like this
https://bsc.api.0x.org/swap/v1/quote?sellToken=...
- 176
0
votes
0
answers
19
views
Why did 0x swap API get deprecated and what is its substitute?
0x swap API was a great project that was under active development for several years. But recently it got deprecated and no longer kept up to date. I could not find any other substitute for it on the ...
- 444
0
votes
1
answer
24
views
How to sign the hash of a message using EIP712?
There are many guides and online services on how to sign a message using eip712. But they all apply to messages.
Now, if I already have the hash of my message, how to use MetaMask without other third ...
- 961
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28
views
Execution Reverted: GS013 Error in Safe Wallet During 0x OTC Transaction
I am encountering a 'execution reverted: GS013' error when trying to execute a script that aims to fill an Over-the-Counter (OTC) transaction through Safe Wallet using the 0x protocol. This issue ...
0
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0
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20
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getting reverted with reason string 'SWAP_CALL_FAILED' while trying back sell unitymeta Token
const unityMeta = '0xca861e289f04cB9C67fd6b87ca7EAFa59192f164';
const WBNB = '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c';
const params = {
sellToken: unityMeta,
buyToken: WBNB,
...
0
votes
1
answer
14
views
Verify signature result return 0x
The return signature result from signMessage method obtained is 0x. How do we handle 0x signer result from frontend?
const signer = new ethers.providers.Web3Provider(provider).getSigner();
try {
...
0
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0
answers
10
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Why registerAllowedOrderSigner function doesnt work
i created a limit order. Then what I wanted is to give access to another address who can sign the order on behalf of me.
I called the registerAllowedOrderSigner method from the proxy contract and ...
1
vote
0
answers
16
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What are those trx periodically being sent to the zero address
An example of such trx is the following (0x1c22498f94934e18b32f2fdb00d8bf091af7cd77e8aeea0191f21efc211aeebc) in particular they have a calldata which UTF-8 decoding looks like 'data:application/json,{&...
- 123
0
votes
2
answers
156
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
35
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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0
answers
15
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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
13
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
58
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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0
answers
25
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
40
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?...
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answers
21
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": [...
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0
answers
28
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
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0
answers
37
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
82
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
86
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
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votes
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answers
10
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
31
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
76
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
0
votes
0
answers
41
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
50
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
28
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
32
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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0
answers
35
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[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
41
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
22
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
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0
answers
86
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
43
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
150
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
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0
answers
33
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
24
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
29
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
30
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
57
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
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0
answers
32
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
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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?
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55
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
225
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
87
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
452
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
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votes
0
answers
53
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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
65
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
130
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/...
