Blockchain
Basic Env
remix ide:
http://remix.ethereum.org/
Or install on local
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| sudo apt-get install nodejs
sudo npm install remix-ide -g
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Dounload geth ethereum client: https://geth.ethereum.org/downloads/
Run geth to sttart a RPC test env:
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| ./geth --networkid 123 --dev --datadir data1 --rpc --rpcapi "db,eth,net,web3,miner,personal,debug" --rpcaddr 0.0.0.0 --rpcport 8545 console
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Enter geth console
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| > personal.newAccount() # create a new account
> personal.newAccount() # create a new account again
> eth.accounts # show users list
> eth.getBalance(eth.accounts[0]) # The default account's banlance is infinite
1.15792089237316195423570985008687907853269984665640564039437587945047129639927e+77
>user0=eth.accounts[0] // Set user0 = accounts[0]
"0x36225609210808cc4693d9b819d9648585202d63"
> user1=eth.accounts[1] // Set user1 = accounts[1]
ddd"0x2300c1b01cd14c2aa64a8d070e1576bb71f9d1fa"
> user2=eth.accounts[2]
"0xefb9dc7fe744728293a3e63d7fcd948053997e07"
> eth.sendTransaction({from:user0,to:user1,value:web3.toWei(10,'ether')}) #转账10 ether
> eth.sendTransaction({from:user0,to:user2,value:web3.toWei(10,'ether')}) #转账10 ether
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ref: https://www.freebuf.com/articles/blockchain-articles/193357.html
