正式開發:gethgit
在本身的私有鏈條上建立用戶github
geth --identity "newEth" --rpc --rpcaddr "0.0.0.0" --rpccorsdomain "*" --datadir "cdata" --port 30303 --rpcapi "personal,db,eth,net,web3" --networkid 999 --rpcport 8549 --targetgaslimit 4712388 console
建立帳號和解鎖帳號web
> eth.accounts > personal.newAccount("123456") > personal.unlockAccount(eth.accounts[0], "123456", 20*(60*1000))
mkdir MetaCoin cd MetaCoin truffle unbox metacoin
重點理解合約交互npm
Error encountered, bailing. Network state unknown. Review successful transactions manually. Error: exceeds block gas limit
多是版本不對api
Error: Expected parameter 'from' not passed to function.
there is no accountcors
Error encountered, bailing. Network state unknown. Review successful transactions manually. Error: authentication needed: password or unlock