Questions tagged [aws]

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Cors Issue with Hyper Ledger Private Block chain network on Aws

I am new to hyper ledger and trying to set up a private block chain network with clique as consensus protocol. I am deploying it on a AWS Ec2 Instance. Followed these steps and initiated a boot node ...
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55 views

Could not fetch chain ID. Is your RPC URL correct? Aws Ec2 Instance

Could not fetch chain ID. Is your RPC URL correct? Getting the above error when trying to connect to Geth network deployed on AWS Ec2 Instance. Let me know what I have to do. Also let me know how I ...
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1answer
44 views

Run Chainlink node for BSC main / testnet

I'm trying to get full potential of using Chainlink to interact between smart contracts and APIs and currently I'm a little stuck at running a Chainlink node for BSC main / testnet. I see in their ...
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1answer
45 views

How to web3 remote access to AWS private ethereum node

I am ETH newbie. Today I try setting up network by following this tutorial Then I start AWS EC2 for practicing purpose. I can use geth to do mining locally in single node. And I want to expand this ...
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9 views

Using AWS CloudHSM to perform a linkable ring signature

I'm currently working on an Ethereum project which uses linkable ring signature to sign a message in an anonymous way. Is there a solution to perform this signature in an HSM? I know they're stricly ...
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27 views

Can GETH run quickly and be always up-to-date with an AWS c5 instance?

I've noticed that most people who are using AWS to run their ethereum node are using the i3 (or i3en) instance type for its high I/O performance with the attached SSD. For my particular use case, I ...
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94 views

Unable to connect to AWS Ethereum node via AWS Lambda (Python Web3)

After reading the documentation and searching online, I'm stuck with being able to connect and ensure I'm connected via my AWS Lambda function. Whenever I try to execute this specific function, I keep ...
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0answers
57 views

Best practice of keeping web3 connection alive with AWS Lambda

I am using a python flask app on AWS Lambda to serve my application, and i want to use web3 for some queries. Because lambda is inherently functional, i want to somehow keep my web3 connection alive ...
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1answer
207 views

Connect to my EC2 geth node with JSON RPC

I have set up a geth node on an EC2 instance. I'm running it with tmux to make sure it continues to run after I disconnect from the server. To make the node remotely accessible I followed this NGINX ...
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59 views

gEth archive mode hosting AWS or Azure?

Can you guys recommend a setup for running an archive node on either AWS or Azure? Is there any service that fits the needs for doing so the best?
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1answer
116 views

Batch request returns undefined

I'm trying to get batch requests to work with an Amazon Managed Blockchain, so I set up a simple test. The error I get is Invalid JSON RPC response: {}. This returns undefined if I don't log the error;...
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25 views

How to connect running node on aws server remotely as a rpc endpoint?

I have a full sync node running on an aws server, I am able to connect and interact with the node at 8545 locally. But I am not able to connect to it from remote computer. The code as follow. from ...
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1answer
128 views

How to make API calls to AWS Managed Blockchain using Nethereum?

I am testing AWS Ethereum (Preview) using Nethereum and I see this method to get a block: var block = await web3.Eth.Blocks.GetBlockNumber.SendRequestAsync(); However, the AWS Ehtereum documentation ...
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84 views

Quorum nodes run fine with docker-compose, but crash when deployed on kubernetes

Following the steps outlined here, I created a basic Quorum network with 4 nodes and IBFT consensus. I then created a docker image for each of the nodes, copying the contents of each node's directory ...
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0answers
200 views

How come AWS geth can't find peers?

I am setting up a geth light client on an AWS EC2 instance. After running geth, the client seems to not be able to discover any peers and remains idle. Running admin.peers in the console shows that ...
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1answer
39 views

Can we migrate private blockchain from one aws instance to another?

Right now, I am running my private blockchain on aws ec2(t2.medium) using geth. I am just curious that later on is it possible to upgrade that aws ec2(t2.medium) instance to aws ec2(t2.large) instance?...
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1answer
182 views

Unexpected fault address

I picked up an Ethereum Blockchain at AWS ECS almost 3 months ago, it was working perfectly until I got this bug yesterday from the mining node: unexpected fault address 0x7fb93c71d000 [signal SIGBUS:...
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1answer
843 views

Geth on AWS EC2, rpc call networking

I'm trying to boot up a Geth node on an AWS EC2 instance and for some reason I'm unable to connect to it via a simple RPC call from outside the instance. I've done this successfully with a Parity ...
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1answer
1k views

Why are blocks imported so slowly? - Geth node

I'm running a geth node on AWS and it's fully synced, but looking at the logs and the blocks mined I see that it takes a lot of time to import a new block. For example: Geth log INFO [01-14|18:15:...
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2answers
126 views

Connect dApp hosted on cloud with Geth running locally

I've my dApp running on AWS and Geth running locally. How am I supposed to connect my hosted dApp with the Geth? I'm connecting my web3(using web3.py) using my computer's(Windows OS) IP address. ...
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375 views

Geth mining stuck: Commit new mining work on Ubuntu instance

I have an Ubuntu instance running on aws ec2. I'm currently using Ubuntu server ec2 instance with the configuration as: 1 vCPU, 2.5 GHz, Intel Xeon Family, 1 GiB memory. I'm running my Geth on this ...
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1answer
110 views

Issue with Serverless deploy of smart contract-Dependency mismatch -Package.json,Package-lock.json error

I'm trying to deploy my smart contract serverless(AWS lambda) and I'm using Truffle framework. The code is getting deployed in an earlier system(earlier it was deployed here). Now I have updated the ...
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1answer
392 views

Unlocking account web3.js 1.0 on AWS Lambda

I'm getting following error message when trying to unlock account on AWS Lambda: Error: Node error: {"code":-32601,"message":"The method personal_unlockAccount does not exist/is not available"} ...
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2answers
38 views

Private Chain Peering and Port Problem

Two AWS nodes on separate machines are trying to peer. They are listening and discovering at port 30303, when I open these ports for inbound connection they are still unable to peer; but, when I open ...
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1answer
33 views

Is there any concern for the significant number of nodes being hosted on AWS/ cloud providers?

Just curious if there is any downside that many nodes are being hosted on cloud providers? For example Infura, which supports many nodes and provides a large portion of connections to Ethereum nodes, ...
1
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1answer
377 views

Minimum system requirements for mining ropsten ethers

I want to create my own faucet that will mine Ropsten ethers. What is the minimum system configuration which is required? Is it a good idea to use my own server such as AWS? What will be the ...
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1answer
59 views

How to configure APIs to run with Ropsten addresses

I have my contracts deployed on Ropsten network. I deployed those contracts from my local machine using Truffle migrate. Then I set up an AWS EC2 Ubuntu server to host my RESTful APIs. I installed ...
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1answer
326 views

How to integrate rinkeby test network with centralised server?

I am new to ethereum blockchain. I want to create ICO platform based website. I have created smart contract and deployed on rinkeby test network. I used python web3.py library to integrate python with ...
3
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1answer
126 views

Running Swarm on AWS

After succesfully setting up a POA network on azure (hurray for 1 click deployment), i wanted to set up a private Swarm cluster (well , 1 node will do for testing). I took an AWS EC2 instance to save ...
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2answers
4k views

'curl: no URL specified!' Installing Parity on AWS (Ubuntu)

The accepted answer found here does not seem to work for me: https://ethereum.stackexchange.com/a/46926/11266 I created an EC2 instance of Ubuntu 16.04 LTS (HVM) $ bash <(curl https://get.parity....
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1answer
419 views

Geth keeps shutting down on AWS EC2 instance

I am trying to run a Geth node on an AWS EC2 instance. I am able to start it, and it runs fine for a while, but keeps crashing periodically and not leaving much in the log. The EC2 instance is a T2....
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1answer
963 views

adding new peer to quorum dynamically

I've three boxes quorum setup running on AWS and i wanted to dynamically add a node to this setup so i added enode of that node along with ip in static-nodes.json of all boxes and started the node but ...
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1answer
214 views

Deploying Ethereum template on AWS?

I would like to deploy an Ethereum template (the one provided on aws website : https://docs.aws.amazon.com/blockchain-templates/latest/developerguide/blockchain-templates-ethereum.html) in a private ...
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1answer
1k views

Connecting to remote Geth client from AWS hosted server via web3 needs fix

There is a general problem that is affecting most everyone who tries to initialize AWS hosted servers with a remote Geth instance. It would be great to have documentation to address a fix or at least ...
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1answer
986 views

Fatal: Error starting protocol stack: datadir already used by another process on AWS EC2

I was running geth on my AWS instance. Due to timeout my connection to AWS was closed but geth was still running. When I logged back in to run the command again, it raised the following error: Fatal: ...
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3answers
2k views

How can I "require('web3')" on Amazon AWS Lambda?

If I understand the documentation correctly, I need to build web3.js on AWS Lambda. How can I do that and which version should I use?
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3answers
164 views

Must I run node and compile/migrate contracts on AWS Instance for WebDapp?

I am launching a semi-decentralized webapp using AWS and was wondering if I must continually run a node on AWS for it to work. Currently, if I don't run a Rinkeby node and compile/migrate the contract ...
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0answers
127 views

How force parity on AWS use public IP?

I have few mining parity on docker container in AWS instances. Each AWS instance have private and public IP. When I ask "parity_enode" it return enode address with private IP. I want it use public IP. ...
2
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1answer
98 views

Decentralized Data Storage for IoT using Sia

For my Master research I want to make a proof-of-concept of decentralized data storage for an IoT scenario. My idea is to receive measurement values from a raspberry pi and to store them using sia. I ...
2
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0answers
348 views

Using Truffle with Node JS (MongoDB)

I am trying to use truffle along with a MongoDB database which means that I need multiple ports. For local testing, I have been starting up my RPC, switching the port that the app is listening, and ...
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1answer
981 views

rpc requests to geth on AWS instance

I have geth running on an AWS EC2 instance. Here is how I started it: geth --rpc --rpcaddr "127.0.0.1" --rpcport "8545" --rpc --rpccorsdomain "*" from that same instance I can use python's request....
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2answers
636 views

Smart Contract firing send ether transaction that's not in the contract

I need some help with my smart contract, here's the smart contract code pragma solidity ^0.4.18; contract UserToken { mapping (bytes32 => uint8) public tokenBalance; bytes32[] public ...
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2answers
701 views

What would be potential problems with building "private" Ethereum network on AWS?

Suppose I have two EC2 instances on AWS that are running geth nodes. They have the same genesis block and are in synchronization because peering is setup with open port 30303 (by default is for ...
2
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0answers
76 views

Why does my JSON-RPC request never complete?

I've set up geth to run in a Docker container with the following command (yes, I realize it's wide open to the world): docker run -it -p 127.0.0.1:8545:8545 -p 30303:30303 -v /data/ethereum:/root/....
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2answers
675 views

geth setup on aws for custom wallet application

I need to create an app that will hold custom wallet per user, I was using Infura earlier, but now I have to create wallets so will need "Personal" on rpc. I see that Infura don't expose it so will ...
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0answers
2k views

Is it profitable to mine Ethereum on AWS?

I got $5000 on AWS from Facebook by being part of FbStart. Since I wont be using these credits for web development, I want to know if it would be profitable for me to mine Ethereum? Can I at least ...
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1answer
271 views

Remote geth node failing to retrieve past events

I have set up a remote geth node on AWS as a web3 provider for my DApp. The geth node is initialized with the following command (for testnet) as a daemon service: [Unit] Description=Ethereum go ...
2
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1answer
293 views

Host Geth Mainnet on cloud or use existing mainnet?

We are planning to launch our DAPPS Smart Contracts and Token Sale Contracts on mainnet. For testnet we had setup on Digital Ocean. But for mainnet we are confused between to host on our own node on ...
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2answers
1k views

Can't connect to EC2 Ethereum node from AWS Lambda

I tried to continue the discussion on this similar question: Connection Error - Couldn't connect to ethereum node on AWS at http://xx.xxx.xx.xxx:8545. Mods told me to create a new one so here goes....
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0answers
112 views

Monitoring geth on AWS EC2 [duplicate]

I have setup a geth node on AWS for a DAPP I've created. So there's a specific geth process running. I've found that this shuts down every now and then. Any recommendations on how I can monitor this ...