alexlitz / go-web3

Ethereum Go Client

Ethereum Go Client

This is a Ethereum compatible Go Client which implements the Eth JSON RPC Module, Personal JSON RPC Module and NET JSON RPC Module.

Status

This package is currently under active development. It is not already stable and the infrastructure is not complete and there are still several RPCs left to implement and the API is not stable yet.

Contribute!

In Progress =

TODO List

• web3_clientVersion
• web3_sha3
• net_version
• net_peerCount
• net_listening
• eth_protocolVersion
• eth_syncing
• eth_coinbase
• eth_mining
• eth_hashrate
• eth_gasPrice
• eth_accounts
• eth_blockNumber
• eth_getBalance
• eth_getStorageAt (deprecated)
• eth_getTransactionCount
• eth_getBlockTransactionCountByHash
• eth_getBlockTransactionCountByNumber
• eth_getUncleCountByBlockHash
• eth_getUncleCountByBlockNumber
• eth_getCode
• eth_sign
• eth_sendTransaction
• eth_sendRawTransaction
• eth_call
• eth_estimateGas
• eth_getBlockByHash
• eth_getBlockByNumber
• eth_getTransactionByHash
• eth_getTransactionByBlockHashAndIndex
• eth_getTransactionByBlockNumberAndIndex
• eth_getTransactionReceipt
• eth_getUncleByBlockHashAndIndex
• eth_getUncleByBlockNumberAndIndex
• eth_getCompilers
• eth_compileLLL
• eth_compileSolidity (deprecated)
• eth_compileSerpent
• eth_newFilter
• eth_newBlockFilter
• eth_newPendingTransactionFilter
• eth_uninstallFilter
• eth_getFilterChanges
• eth_getFilterLogs
• eth_getLogs
• eth_getWork
• eth_submitWork
• eth_submitHashrate
• db_putString
• db_getString
• db_putHex
• db_getHex
• shh_post
• shh_version
• shh_newIdentity
• shh_hasIdentity
• shh_newGroup
• shh_addToGroup
• shh_newFilter
• shh_uninstallFilter
• shh_getFilterChanges
• shh_getMessages
• personal_listAccounts
• personal_newAccount
• personal_sendTransaction
• personal_unlockAccount

Installation

go get

go get -u github.com/regcostajr/go-web3

glide

glide get github.com/regcostajr/go-web3

Usage

import (
	web3 "github.com/regcostajr/go-web3"
	"github.com/regcostajr/go-web3/eth/block"
	"github.com/regcostajr/go-web3/providers"
)

func test() {

	web3Client := web3.NewWeb3(providers.NewHTTPProvider("http://127.0.0.1:8545", 10))
	balance, err := web3Client.Eth.GetBalance("0x00035DB1C858Fe4C2772a779C6fEF0FdB850dE42", block.LATEST)

	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println(balance)

}

More samples in the 'examples' directory.

Requirements

• go ^1.8.3

Go installation instructions.

Testing

go test -v test/*.go

License

Package go-web3 is licensed under the GPLv3 License.