ethereum 개발 관련

ethereum 개발자 블로그

https://gwonsungjun.github.io/blockchain/2018/06/01/geth/

https://blog.naver.com/pjt3591oo/221318840959

http://ihpark92.tistory.com/45

* react, geth, web3js로 프라이빗 이더리움 블록체인앱(dApp) 만들기

https://bernardokang.blog.me/221299125867

* [Truffle, React.js] 과일 가게 dApp 만들기 - 샘플

https://steemit.com/ethereum/@dangen/truffle-react-js-dapp-1-2

https://steemit.com/ethereum/@dangen/truffle-react-js-dapp-2-3

* web3.js doc

https://web3js.readthedocs.io/en/1.0/web3-utils.html#utils-tobn

---

* 투표 (샘플 개발)

https://github.com/bear2u/til/blob/master/blockchain/zastrin/chapter2/step1.md

* 크립토좀비 요약

http://javaexpert.tistory.com/927

* DAPP 간단 강의

http://javaexpert.tistory.com/category/스터디/DAPP

* REACT

https://1ilsang.blog.me/221124607389

* 간단 강의

https://www.inflearn.com/

이더리움 개발 책 요약 및 평가 포스팅

https://opentutorials.org/course/2869/20677

https://steemit.com/coinkorea/@etainclub/smart-contract-5

How to Run an Ethereum Node in GCP

https://gist.github.com/cryptogoth/ee67803f66af7db095062d50b22e3a6f

https://gist.github.com/cryptogoth/f64723a152bf44544409fc988001554e

Geth 1.8.2 in docker : fatal error: runtime: out of memory

https://github.com/ethereum/go-ethereum/issues/16377

Making Web3.js work asynchronously with JavaScript Promises and await

https://shawntabrizi.com/crypto/making-web3-js-work-asynchronously-javascript-promises-await/

ex

https://medium.com/@yashwanthvenati/setup-private-ethereum-blockchain-network-with-multiple-nodes-in-5-mins-708ab89b1966

https://busy.org/@pangol/dapp-4-private-network-remix-geth-rpc

http://www.mins01.com/mh/tech/read/1134?page=1&tq=&q=&ct=

https://blog.naver.com/PostView.nhn?blogId=bernardokang&logNo=221288422806&parentCategoryNo=&categoryNo=9&viewDate=&isShowPopularPosts=false&from=postList

about bootnode

https://github.com/ethereum/go-ethereum/wiki/Setting-up-private-network-or-local-cluster

trouble shoot

synchronization failed when admin.addpeer

-> setting static nodes https://github.com/ethereum/go-ethereum/wiki/Connecting-to-the-network#static-nodes

geth install 

sudo apt-get install ethereum

geth commands

geth --datadir "/home/jay_lee/ethereum/data" init "/home/jay_lee/ethereum/CustomGenesis.json"

nohup geth --identity "PrivateNetwork" --datadir "/home/jay_lee/ethereum/data" --port "30303" --mine --minerthreads 1 --rpc --rpcaddr 0.0.0.0 --rpcport "8545" --rpccorsdomain "*" --nodiscover --networkid 15 --nat "any" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3" &

geth --identity "PrivateNetwork" --datadir "/home/jay_lee/ethereum/data" --port "30303" --rpc --rpcaddr 0.0.0.0 --rpcport "8545" --rpccorsdomain "*" --nodiscover --networkid 15 --nat "any" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3"

geth --dev --datadir "/home/jay_lee/ethereum/data" --rpc --rpcaddr 35.234.23.14 --rpcport "8545" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3" --port 30303 --nodiscover --networkid 15 console

geth --dev --datadir "D:\ethereum\test" --rpc --rpcaddr 35.234.23.14 --rpcport "8545" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3" --port 30303 --nodiscover --networkid 15 console

geth --datadir "D:\ethereum\test" --rpc --rpcaddr 35.234.23.14 --rpcport "8545" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3" --port 3030 --nodiscover --networkid 2525 console

geth attach rpc:http://35.234.23.14:8545

web3.net.peerCount

miner.setEtherbase(eth.accounts[1])

web3.fromWei(eth.getBalance(eth.coinbase), "ether")

personal.unlockAccount(eth.accounts[0],"Alpha",0)

personal.newAccount("Alpha")

mist.exe --rpc http://35.234.23.14:8545

geth --datadir "D:\ethereum\test" init "D:\ethereum\CustomGenesis.json"

geth --datadir "D:\ethereum\test" --port "30303" --mine --minerthreads 1 --rpc --rpcaddr 0.0.0.0 --rpcport "8545" --rpccorsdomain "*" --nodiscover --networkid 15 --nat "any" --rpcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3"

admin.addPeer("enode://3b61edc9941183ddf7ddc430b55d8c56b12281306344402f8dc81f62c6b2d9b9c7502076fd8d08175aa90d11be00ce143c4f588a97c23a2f4dd695373fe3be9d@35.234.23.14:30303")

geth attach rpc:http://localhost:8545

http://35.234.23.14:8545

http://35.234.23.14:3000

static-node.json

https://github.com/ethereum/go-ethereum/wiki/Connecting-to-the-network#static-nodes

[
  "enode://f4642fa65af50cfdea8fa7414a5def7bb7991478b768e296f5e4a54e8b995de102e0ceae2e826f293c481b5325f89be6d207b003382e18a8ecba66fbaf6416c0@33.4.2.1:30303",
  "enode://pubkey@ip:port"
]

gcp 관련 prerequisite

sudo apt-get install build-essential

$ sudo apt-get install python-software-properties

$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test

$ sudo apt-get update

$ sudo apt-get install gcc-4.8 g++-4.8

$ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.8

$ npm install -g node-gyp

npm install --save web3 --python=python2.7

geth upgrade

sudo apt-get install software-properties-common

sudo add-apt-repository -y ppa:ethereum/ethereum

sudo add-apt-repository -y ppa:ethereum/ethereum-dev

sudo apt-get update

sudo apt-get upgrade

 

web3.js

// Here's how we would access our contract: var abi = /* abi generated by the compiler */ var ZombieFactoryContract = web3.eth.contract(abi) var contractAddress = /* our contract address on Ethereum after deploying */ var ZombieFactory = ZombieFactoryContract.at(contractAddress) // `ZombieFactory` has access to our contract's public functions and events