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blueplanet/file0.txt

Created December 23, 2017 14:17
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  1. blueplanet created this gist Dec 23, 2017.
    6 changes: 6 additions & 0 deletions file0.txt
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    geth -dev --ws --wsport 8546 --wsaddr 0.0.0.0 --wsorigins "*" --wsapi "eth,web3,shh" console

    // 上記コマンドで起動したconsoleで下記を実行して、symKeyの値をメモしておく
    > web3.shh.newSymKey()
    "6a255cd62f2f9989119a60ea0cac6aa71aba479e99a49cff8a6eade669f1e44e"
    >
    11 changes: 11 additions & 0 deletions file1.txt
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    receive data:
    { sig: '0x045811f4c1ac1c860c18d314159eeedb13dd194e40eb95851f5abd9b303731bfdb918e1b41a43a75875c5d9ea073011a985ec4bdf1a151d2ee27c25e4186b90919',
    ttl: 10,
    timestamp: 1514038334,
    topic: '0xffaadd11',
    payload: '0xffffffdddddd1122',
    padding: '0x6a6a321cadb2b17e45fe678e74c1fcb252fd2737bff136086666f85a436b8840d5d0752529b83e2608202f7a320325fb9518a8bd32e5a418a278279fdbac1bc49c9e704cd2b67cf3
    b512f08c25f67c77ec28561f32d662abd13e89521bec7c34339ef5bbfdb2ee01ae11af1428781f786da980243891896a0408885a95744ba88a0896f4b00089ef4ba6ae2ec4865ed3fc463c83e7b99c
    0ee108f43c249856e45aae3447aa75b256bd96500b369a0545f06c86cbe4',
    pow: 0.6714754098360656,
    hash: '0x962587c9de2d3f355dbaf098762a57288a12dba1edb00c35e1f5fbe63da9a38c' }
    24 changes: 24 additions & 0 deletions file2.txt
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    // send.js
    var Web3 = require("web3");
    var web3 = new Web3();

    web3.setProvider(new Web3.providers.WebsocketProvider('ws://0.0.0.0:8546'));

    var symKey = '2996cfb046f29413e55796fc201a3f7146b19ce63644369fc0f415f7d83a4637';
    var keyPair = null;

    Promise.all([
    web3.shh.newKeyPair().then((id) => { keyPair = id; })
    ]).then(() => {
    web3.shh.post({
    symKeyID: symKey, // encrypts using the sym key ID
    sig: keyPair, // signs the message using the keyPair ID
    ttl: 300,
    topic: '0xffaadd11',
    payload: '0xffffffdddddd1122',
    powTime: 3,
    powTarget: 0.5
    });

    console.log('sent message');
    });
    22 changes: 22 additions & 0 deletions file3.txt
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    // watch.js
    var Web3 = require("web3");
    var web3 = new Web3();

    web3.setProvider(new Web3.providers.WebsocketProvider('ws://0.0.0.0:8546'));

    var symKey = '2996cfb046f29413e55796fc201a3f7146b19ce63644369fc0f415f7d83a4637';
    var keyPair = null;

    Promise.all([
    web3.shh.newKeyPair().then((id) => { keyPair = id; })
    ]).then(() => {
    subscription = web3.shh.subscribe("messages", {
    symKeyID: symKey,
    topics: ['0xffaadd11']
    }).on('data', (message) => {
    console.log('receive data: ')
    console.log(message);
    });

    console.log('started subscribe.');
    })