Questions tagged [infura]
INFURA is a scalable, standards-based cluster and API endpoint for Ethereum & IPFS.
241
questions
0
votes
1answer
19 views
Error: Invalid JSON RPC response | ropsten.infura
I'm trying to deploy my contracts to the ropsten test network, but I get this error.
the message error :
C:\Users\acer\test>truffle migrate --reset --network ropsten
Using network 'ropsten'.
...
1
vote
2answers
63 views
How to get the miner address of a block with infura Rinkeby endpoint?
I've read some docs online that to get the miner/sealer/signer address of a particular block that runs with the Ethereum PoA/Clique consensus (the Rinkeby testnet for example), I need to call the ...
1
vote
0answers
25 views
Cannot read property 'type' of undefined - abi-coder
I'm creating a simple voting contract.
It is deployed with truffle and infura.
This is the contract code:
pragma solidity >=0.4.21 <0.6.0;
contract Voter {
struct OptionPos {
uint ...
0
votes
1answer
27 views
What's the difference between ipfs.infura.io vs ipfs.io
When saving ipfs hash, i find that ipfs.infura.io is x10 faster than ipfs.io.
If the public gateway (ipfs.io) has a negative impact on user experience due to its slowness, why people would use that ...
0
votes
0answers
21 views
intermediate value is not iterable
I try to construct a transaction with Node (11.4.0), ethereumjs-tx (1.3.7) and web3 (1.0.0-beta.55) and Infura.
Infura gives me '0x35b' for the nonce,
then I create the tx:
amount = 0.001;
nonce = '...
0
votes
2answers
29 views
Truffle migrate --network ropsten always runs development network
I am trying to deploy a simple contract to the Ropsten network using Truffle and Infura. I have set up the Ropsten network in the truffle-confug.js file but it seems truffle always uses the ...
0
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0answers
39 views
Why does the error Invalid response received: 403;?
Develop a java project to connect to ethereum blockchain and until now no error has been presented, but now this error appeared:
org.web3j.protocol.exceptions.ClientConnectionException: Invalid
...
0
votes
2answers
36 views
Cannot declare web3 object in JavaScript
When I try to declare a web3 object It's always undefined.
I'm writting in JavaScript and using Infura as my provider for the ETH mainnet. I also tried with a local blockchain instead of Infura, but ...
0
votes
1answer
33 views
Infura Request Limitations
Are there any official information about request limitations? I know for example that there is a limit for the amount of results in getLogs: https://infura.io/docs/ethereum/json-rpc/eth_getLogs
...
1
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0answers
32 views
Trying and failing to switch my dapp from local node to infura, please help? [closed]
I have a nodejs 'server' running that listens for events on the blockchain. Currently I have this line in my code:
var provider = new Web3.providers.HttpProvider("http://localhost:8545");
But I'm ...
1
vote
0answers
33 views
Using web3j with infura returns null
I've used web3.js to handle my contracts, and it worked very well.
But web3j is pretty hard for me since the beginning.
I'm using android studio, infura, web3j.
Since I don't know very much about ...
0
votes
1answer
37 views
1
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1answer
19 views
Developer downloading ledger reasoning? [duplicate]
My question is a little odd, but I will ask it anyways.
From a development perspective, knowing that there is a service such as Infura, why would a developer download the whole ledger? Infura ...
0
votes
2answers
32 views
how to write backend for contract if you use infura ropsten metamask and remix
i'm using metamask with ropsten. deployed my contract on ropsten using remix. for the backend i used infura to create instance of web3.
ew Web3(new Web3.providers.HttpProvider('https://ropsten.infura....
0
votes
1answer
57 views
How to use eth_newFilter to get pending incoming transactions to a contract?
I'm trying to get pending transactions to a certain contract using Infura.
Is it possible to do that using eth_newFilter? Since apparently these filters only "trigger" from contract events, does that ...
0
votes
0answers
25 views
Infura websocket API timing out on connect
Has anyone ever had issues with the Infura Websocket API suddenly ceasing to respond. I have been using it to subscribe to event logs, but now the connection to the API is timing out.
0
votes
1answer
82 views
The method eth_sendTransaction does not exist/is not available on infura
Im trying to send transaction to simple greeter contract with web3.js on infura node.while doing soo, Im getting this error.
throw errors.InvalidResponse(result);
^
Error: The method ...
0
votes
1answer
143 views
Transaction stuck in 'Pending' state when using 'sendSignedTransaction'
I am trying to execute a transaction by first signing it with my private key using ethereumjs-tx and then using sendSignedTransaction to send the transaction to the network. But somehow the ...
0
votes
1answer
32 views
Unable to Deploy Smart-contract to Ropsten from Truffle using Infura
I want to deploy my smart-contract on ropsten or rinkeby network from Truffle using Infura API, but face difficulty in deploying on any network.
I am using windows and my contract works well on ...
2
votes
1answer
30 views
Metamas - Infura problem. Cannot read property 'currentProvider' of undefined
I got a problem. I am using code below to connect to the eth from node.js app. Everything works perfect as long as I have installed MetaMask in my browser. I can be logged in, logged out, all good ...
0
votes
1answer
96 views
Reset my infura project api key and secret id? [closed]
https://mainnet.infura.io/v3/<api_key>
Can i access my project wallet using a newly generated api key and secret id? Is it possible to reset these credentials in infura?
1
vote
0answers
54 views
How to use 'geth attach' with Infura?
I have a project in Infura and the project ID is 6f...3a. I'm having problem to start geth attach process with Infura.
I tried all protocols (http, https, ws and wss) but all failed.
Did I miss ...
1
vote
1answer
49 views
web3.isConnected returns False web3.py
Here is the code I have:
from web3 import Web3
infura_url = 'https://infura.io/project/MyProjectID'
web3 = Web3(Web3.HTTPProvider(infura_url))
print(web3.isConnected())
The problem is that it ...
2
votes
3answers
102 views
Replacement for Infura site
I have been using Infura site for accessing main Ethereum network, but newly this site has changed its services and don't service send methods.
I searched a little and found Quicknode site, but ...
0
votes
1answer
91 views
Infura Web Sockets doesn't work on Infura
I have a problem with connecting via Websockets to Infura. I am listening on some events from my smart contract, so when some event is dispatched by calling some method from smart contract, I should ...
0
votes
0answers
38 views
Problem with send method in Infura
Newly Infura site has been changed its interface.
Before that all methods of our client program was successfully working, but now when I logon to Infura, all whitelists has been removed. I added our ...
1
vote
1answer
165 views
Error on WebSocket connection to Infura Ropsten (broken close frame)
I am trying to connect to Ropsten with Web3js (1.0) via Infura using their WebSocket provider but I am getting the following error:
WebSocket connection to 'wss://ropsten.infura.io/ws' failed: ...
1
vote
1answer
261 views
Promise not resolved for web3eth.sendSignedTransaction
I am testing whether transactions that I'm signing offline are accepted by the Ropsten network. I'm submitting the transactions using Web3.js (web3@1.0.0-beta.51) as follows:
I connect to an INFURA ...
0
votes
0answers
92 views
How do you set up a Truffle script with Infura as provider?
I'm trying to set up my Truffle scripts to use Infura as a provider.
I have the following, which appears to set everything up correctly:
const HDWalletProvider = require("truffle-hdwallet-provider");...
1
vote
2answers
265 views
Uploading files on IPFS Infura
I am trying to make a dapp to upload files on IPFS Infura.
I am using IpfsHttpClient in web browser by including the script
<script src="https://unpkg.com/ipfs-http-client/dist/index.min.js">&...
0
votes
1answer
391 views
Error: types/values length mismatchProblem when calling payable contract function with web3
Enviroment
Node version: v10.15.3
Web3: ^1.0.0-beta.50
Net: Ropsten
My smart contract is a very simple payable/balance one and my goal is to contribute 0.1 ETH to raise the contract balance using ...
0
votes
2answers
117 views
How to unlock account using web3js with infura? [duplicate]
I need to unlock accounts using web3js with infura.io, but it seems that infura does not support web3.personal modules.
In this case, I think options are 1.using geth or parity for client node not ...
0
votes
1answer
29 views
Request user to sign state changing transaction with metamask using Infura and web3js
Can't seem to find the right function to ask the user to sign a transaction via metamask, this is my code so far:
const bet = '102500000000000010'
const account = '...
2
votes
1answer
50 views
Calling payable state changing function on client side with metamask in ethereum infura testnet
I can't seem to find an answer for my problem, or it's either impossible and I'm missing something, or it's trivial and I'm missing something.
I have this function on client side:
const bet = web3....
1
vote
2answers
25 views
Deploying and Interacting with smart Contract through infura from web3.py
I'm trying to deploy smartcontract on ropsten testnet through infura node in web3.py. here is my code
w3 = Web3(HTTPProvider("http://ropsten.infura.io/<*Privatekey>"))
# Instantiate and deploy ...
0
votes
0answers
57 views
Infura V3 spec cannot find Project Id
I used to use the old version of infura and it worked just fine. The latest version is not working as it states that it cannot find the id despite it being there.
https://mainnet.infura.io/v3/...
1
vote
1answer
52 views
Infura - Signing transactions in a multi-user application
I hope this question is not a duplicate. Since I'm using Infura as a full node, I need to send raw transactions by signing them.
In a multi-user application how would my application on the server-...
1
vote
0answers
109 views
metamask and infura - Managing and signing with private keys
I am using Infura as a node for my DApp so I need to send raw transactions by signing them. These transactions can come from multiple users of an application so each user must sign and send a raw ...
0
votes
0answers
94 views
Metamask not connected with web3.js
if (typeof window.web3 !== 'undefined') {
web3 = new Web3(web3.currentProvider);
} else {
// set the provider you want from Web3.providers
window.web3 = new Web3(new Web3....
0
votes
1answer
124 views
Truffle tries deploy from unknown account
I am trying to deploy a contract to Ropsten using Infura with the config file truffle.js below. The deploy fails because the account listed in the error message has insufficient funds – however I do ...
3
votes
0answers
142 views
The sendSignedTransaction function does not activate the on('receipt') event at an appropriate time
console.log(transacting...);
web3.eth.sendSignedTransaction('0x' + serializedTx.toString('hex')).on('receipt', receipt => {
log(receipt);
log(`https://ropsten.etherscan.io/tx/${receipt....
0
votes
0answers
99 views
Genearte error 'invalid sender' when doing send transaction using infura or roopsten
I am using following code to perform transaction
web3 = Web3(HTTPProvider('https://ropsten.infura.io/{}'.format('XXXXXXXXXXXXXXXXX')))
print('https://ropsten.infura.io/{}'.format('XXXXXXXXXXXXXXXXXXX'...
1
vote
0answers
49 views
How to send transaction using web3py using infura.io
I have connected to mainnet via
infura.io
and have used http provider for connections now
i want to generate address
and
send transaction
And i wand to send real eth
so how can i do this?...
0
votes
0answers
52 views
eth_sendTransaction doesn't exist when using Infura node
I'm trying to sign a transaction offline and then send it using sendRawTransaction since I'm connected to an Infura node. My raw transaction looks like this
let rawTransaction = {
"from":...
1
vote
1answer
197 views
How to use local Metamask account with Infura Node [duplicate]
I'm building a DApp using web3js that sends ERC20 Tokens from a browser Metamask account to an escrow contract on the Rinkeby testnet. I'm using a Rinkeby node from Infura, and when I call web3.eth....
0
votes
1answer
401 views
How to deploy a smart contract using Infura and web3js@1.x.x on NodeJS?
I have an application written in NodeJS that each time it starts has to deploy a smart contract. Once the contract is deployed this application will interact with it making some transactions and ...
0
votes
1answer
170 views
Facing UnhandledPromiseRejectionWarning warning message in web3 infura
So far, I'm trying to get transactions list using web3 & infura by websocket provider.
Here is my code
const Web3 = require("web3");
const web3 = new Web3(new Web3.providers.WebsocketProvider('...
0
votes
0answers
52 views
Get the result back of a smart contract function call using INFURA
This is the function I use to send a signed transaction using Infura to invoke a smart contrac function (see details for the params of the transaction).
web3.eth.sendSignedTransaction('0x' + ...
2
votes
1answer
435 views
How to make smart contract call using INFURA and NodeJS web3js
I can not understand how I can prepare the transaction to be signed. Because INFURA does not support eth_sendTransaction but only eth_sendRawTransaction (INFURA API which then requires you to prepare ...
0
votes
0answers
79 views
UnhandledPromiseRejectionWarning: AssertionError [ERR_ASSERTION]: The field to must have byte length of 20
I'm encountering a problem that I'm not able to solve. The code should launch a configured transaction with the details object. The current configuration is set to Ropsten and I am using the INFURA ...
