eth syncmode
還不是很確定，先翻譯貼過來 Full - 拿到所有資料 Fast - 差不多的意思，但不執行transaction Light - 只拿到現在的狀態，但不能驗證 https://ethereum.stackexchange.com/questions/11297/w...
Mac OS 用 Geth 跑 ETH ethereum node 全節點
https://github.com/ethereum/go-ethereum/wiki/Installation-Instructions-for-Mac brew tap ethereum/ethereum brew install ethereum 然後跑 ...
在 Geth js console send ether
http://faucet.ropsten.be:3001/ ``` miner.setEtherbase("0xe7c2be3d07217101aeced9d68400cd142acb3d2f") personal.unlockAccount(eth.coinbas...
learn truffle and solidity - pet shop - note
* Public variables have automatic getter methods * array getters return only a single value from a given key * this, a contract-wide vari...
Deploy contract from truffle to testnet
Truffle 設定新的 network Geth 開啟 test net Deploy! In geth console ``` personal.unlockAccount(eth.accounts[0]) ``` ```sh truffle migrate -...
什麼是 ERC20 token
先說明 ERC-20 Token erc20 是公認的 token interface, 定義了一個 token 應該要有哪些 functionalities，原始提案在這：https://github.com/ethereum/EIPs/issues/20 基本上有...
開發第一個智能合約 - 環境準備
首先安裝框架 http://truffleframework.com/docs/getting_started/client 測試環境 https://github.com/ethereumjs/testrpc package: https://www.ethpm....