Created
September 5, 2019 16:35
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'use strict'; | |
const bcoin = require('../..'); | |
bcoin.set('regtest'); | |
// SPV chains only store the chain headers. | |
const chain = new bcoin.Chain({ | |
spv: true | |
}); | |
const pool = new bcoin.Pool({ | |
chain: chain, | |
maxOutbound: 1 | |
}); | |
const walletdb = new bcoin.wallet.WalletDB({ memory: true }); | |
// Full node will provide tx data to SPV node | |
// const full = {}; | |
// full.blocks = new bcoin.blockstore.LevelBlockStore({ memory: true }); | |
// full.chain = new bcoin.Chain({ blocks: full.blocks }); | |
// full.pool = new bcoin.Pool({ | |
// chain: full.chain, | |
// port: 44444, | |
// bip37: true, | |
// listen: true | |
// }); | |
(async () => { | |
await pool.open(); | |
await walletdb.open(); | |
await chain.open(); | |
await pool.connect(); | |
// await full.blocks.open(); | |
// await full.pool.open(); | |
// await full.chain.open(); | |
// await full.pool.connect(); | |
const wallet = await walletdb.create(); | |
const walletAddress = await wallet.receiveAddress(); | |
console.log('Created wallet with address %s', walletAddress); | |
// Add our address to the SPV filter. | |
pool.watchAddress(walletAddress); | |
// Start the blockchain sync. | |
pool.startSync(); | |
// Get ready to receive transactions! | |
pool.on('tx', (tx) => { | |
console.log('Received TX:\n', tx); | |
walletdb.addTX(tx); | |
console.log('TX added to wallet DB!'); | |
}); | |
wallet.on('balance', (balance) => { | |
console.log('Balance updated:\n', balance.toJSON()); | |
}); | |
// Connect the SPV node to the full node server | |
const netAddr = await pool.hosts.addNode('127.0.0.1:18444'); | |
const peer = pool.createOutbound(netAddr); | |
pool.peers.add(peer); | |
// full.pool.on('peer open', async () => { | |
// console.log('SPV node peers:\n', pool.peers); | |
// console.log('Full node peers:\n', full.pool.peers); | |
// // Create a dummy transaction and send it from full to SPV node | |
// const mtx = new bcoin.MTX(); | |
// mtx.addOutpoint(new bcoin.Outpoint(bcoin.consensus.ZERO_HASH, 0)); | |
// mtx.addOutput(walletAddress, 12000); | |
// const tx = mtx.toTX(); | |
// // Give the node a few seconds to process connection before sending | |
// console.log('Waiting for transaction...'); | |
// await new Promise(r => setTimeout(r, 3000)); | |
// await full.pool.broadcast(tx); | |
// }); | |
})().catch((err) => { | |
console.error(err.stack); | |
process.exit(1); | |
}); |
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