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Questions tagged [amazon-managed-blockchain]

Amazon Managed Blockchain is a fully managed service for creating and managing blockchain networks using open source frameworks. Blockchain allows you to build applications where multiple parties can securely and transparently run transactions and share data without the need for a trusted, central authority.

What Is Amazon Managed Blockchain?

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Suppressed: java.lang.UnsatisfiedLinkError: no io_grpc_netty_shaded_netty_tcnative in java.library.path

I,m trying to do a aws java 11 lambda fabric client using fabric-sdk-java 2.2.21 for amazon managed blockchain using hyperledger fabric 2.2, but when I run the lambda I got this error "Suppressed: java.lang.UnsatisfiedLinkError: no…
Luis Laguna Oliva
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has an error after moving to AWS Etheruem Node for getBlock at the WebsocketProvider

I have a project with Node.js version 13 and lib web3.js version 1.2.4, and own blockchain node, and all worked fine but when I moving to AWS Etheruem Node…
Vadim
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NodeJS - Hyperledger Fabric - The peer lifecycle chaincode package explicitly excludes the node_modules directory. Any workaround?

I've been developing a HyperLedger Fabric (v2.2.x) Chaincode in Typescript with de IBM Blockchain extension in VSCode. Locally the chaincode works well but I need to deploy it using the AWS Managed Blockchain. Bounday 1. The AWS docummentation…
Lejo Spam
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Chain ID for connecting AWS private Ethereum Blockchain with Metamask

Can you please help me with this, I have created a private Ethereum blockchain in AWS using this template: https://aws.amazon.com/blockchain/templates/getting-started/ I wanted to connect this blockchain with metamask using EthJsonRPC url, what will…
ASWIN M
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Error: Response from server: Error Code: 20 - Authentication failure - Amazon Managed Blockchain

I'm following the AWS supply chain workshop. After creating the network, peer, connecting to the peer using SSH and doing the initial setup (docker, go, fabric-ca-client and copying the managedblockchain-tls-chain.pem certificate fom S3), I'm unable…
Ricardo Passos
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Unable to enroll Fabric client as admin - Amazon Managed Blockchain

I'm following the AWS supply chain workshop. I created an EC2 instance and set up a VPC just like the workshop said. Now I'm connected to the EC2 instance using SSH and I've already downloaded the required packages, setup Docker, downloaded…
Ricardo Passos
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Error getting endorser client for channel: failed to create new connection: context deadline exceeded

I am getting an error message while following this https://docs.aws.amazon.com/managed-blockchain/latest/hyperledger-fabric-dev/managed-blockchain-get-started-tutorial.html tutorial from Amazon Managed Blockchain for Hyperledger Fabric. I have…
Shabbir Marfatiya
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AWS managed hyperledger fabric v1.4.7 blockchain - Getting bad certificate error when connecting to the fabric network

I have deployed a AWS managed Hyperledger Fabric v1.4.7 blockchain. The HLF blockchain network and the EC2 instance (hlf-client) are in the same VPC and everything seems to be working fine since I am able to invoke transactions using the cli…
Niraj Kumar
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AWS Etheruem Node Websocket Connection Keeps CLosing

I'm trying to subscribe to the ethereum blockchain using a managed AWS ethereum node. I followed the tutorial here: https://docs.aws.amazon.com/managed-blockchain/latest/ethereum-dev/ethereum-json-rpc.html (The section titled To make an Ethereum API…
Nate L
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Amazon Managed Blockchain not showing Ethereum network

I am a beginner in smart contract development. I just create a smart contract for some analyze how it works, so I used the truffle suite with vs code to create a smart contract. I create a sample smart contract and build it successfully without…
Ragesh P Raju
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How to implement Hyperledger Fabric using Nodejs

We have created AWS managed blockchain network (Hyperledger Fabric). And I wanted to connect and create a simple transaction over this network. Lets say university user updated student marks in the system. I am totally new to blockchain and…
mayur
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General questions about AWS Ethereum network

I followed these steps and I believe I have an ethereum network running successfully: https://docs.aws.amazon.com/blockchain-templates/latest/developerguide/blockchain-templates-getting-started.html After starting the network, I have a bastion host…
Primico
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Can I run AWS Ethereum Preview with t2.micro

I am testing the creation of an AWS Ethereum network and when I create it with t2.micro, the following resources get stuck with status CREATE_IN_PROGRESS EthereumMinerService EthereumECSStack EthereumCommonStack I have been able to successfully get…
Primico
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How to setup hyperledger fabric explorer | amazon managed blockchain

I setup hyperledger fabric network using amazon managed blockchain by following this guide. Everything works properly in the hyperledger network. Now I want to setup hyperledger explorer. I can not find any amazon's official document to setup…
Gurunath
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Error | entroll the member admin | fabric-ca-client enroll | Amazon Managed Blockchain

I am trying to setup hyperledger fabric blockchain network using amazon managed blockchain following this guide. To entroll, I have used the following command, fabric-ca-client enroll -u…
Gurunath
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