Lightweight Java and Android library for integration with Ethereum clients
An advanced Ethereum mobile wallet
A resilient Ethereum event listener that bridges your smart contract events and backend microservices
Hyperledger Fabric Contract and Chaincode implementation for Java
Signum Node
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sample project that illustrates how to create and deploy smart contracts, smart wallets, send transactions and observe processed transactions in ethereum using web3j, blockchain, solidity and spring boot
daml-on-sawtooth is an integration of the DAML smart contract runtime engine, created and open sourced by Digital Asset, with Hyperledger Sawtooth blockchain as the backing DLT.
Balzac is a domain-specific language to write Bitcoin transactions.
SonarQube Analyzer for Solidity
Magician-ContractsTools is a toolkit for calling smart contracts , you can very easily call smart contracts in Java programs for query and write operations
Goals: Implement an Ethereum Smart Contract called SoccerManager and deploy it to Ethereum Blockchain running locally; Implement 2 Spring Boot BE applications, ethereum-api and player-api, that uses Web3j to communicate with Ethereum blockchain; Implement 2 React FE applications, ethereum-ui and player-ui, that communicate to their respective BE.
This repository contains following main modules: contract executor, wallet desktop, sc-api, api-client
A compiler developed using ANTLR in Java that translates Solidity smart contracts into mCRL2 models
Connects your JVM solutions to TON Virtual Machine smart-contracts. Develop, test & access Web 3.0 apps. Suitable for TVM family of blockchains: TON, AckiNacki, Everscale & Venom.
Java framework to write tests for your dApps and other smart contracts on Waves blockchain
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