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var Web3 = require("web3");
var web3 = new Web3(new Web3.providers.HttpProvider("http://127.0.0.1:8545"));

web3.eth.getBlockNumber(function(error, result){
if (!error){
console.log("block number => "+result);
}else{
console.log("error:"+error);
}
});

//web3.eth.getAccounts().then(e => console.log(e));

web3.eth.getAccounts().then( function(e){

addr1=e[0];
addr2=e[1];
console.log(addr1);
console.log(addr2);

});


이렇게 하면 된다...

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