82 lines
3.0 KiB
JavaScript
82 lines
3.0 KiB
JavaScript
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// const driver = require('../../../src/index')
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import * as driver from 'bigchaindb-driver'
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// ======== Preparation ======== //
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const conn = new driver.Connection('https://test.bigchaindb.com/api/v1/', {
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app_id: 'c17a9968',
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app_key: '0b277b94893e7b0a5b4e6afd6bccb01d'
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})
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const alice = new driver.Ed25519Keypair()
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const bob = new driver.Ed25519Keypair()
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const assetdata = {
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'bicycle': {
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'serial_number': 'abcd1234',
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'manufacturer': 'Bicycle Inc.',
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}
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}
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const metadata = { 'planet': 'earth' }
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// ======== Create Transaction Bicycle ======== //
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const txCreateAliceSimple = driver.Transaction.makeCreateTransaction(
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assetdata,
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metadata,
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[driver.Transaction.makeOutput(
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driver.Transaction.makeEd25519Condition(alice.publicKey))
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],
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alice.publicKey
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)
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const txCreateAliceSimpleSigned =
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driver.Transaction.signTransaction(txCreateAliceSimple, alice.privateKey)
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console.log(txCreateAliceSimpleSigned)
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// ======== Post Transaction and Fetch Result ======== //
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conn.postTransaction(txCreateAliceSimpleSigned)
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// Check status of transaction every 0.5 seconds until fulfilled
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.then(() => conn.pollStatusAndFetchTransaction(txCreateAliceSimpleSigned.id))
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.then(retrievedTx => {
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console.log('Transaction', retrievedTx.id, 'successfully posted.')
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return retrievedTx
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})
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// Check status after transaction has completed (result: { 'status': 'valid' })
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// If you check the status of a transaction before it's added to BigchainDB,
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// BigchainDb will return that the transaction is still waiting in the 'backlog'
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.then(() => conn.getStatus(txCreateAliceSimpleSigned.id))
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.then(status => console.log('Retrieved status method 2: ', status))
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// ======== Transfer Bicycle to Bob ======== //
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.then(() => {
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try {
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console.log(txCreateAliceSimpleSigned)
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const txTransferBob = driver.Transaction.makeTransferTransaction(
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[{ tx: txCreateAliceSimpleSigned, output_index: 0 }],
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[driver.Transaction.makeOutput(driver.Transaction.makeEd25519Condition(bob.publicKey))],
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{ price: '100 euro' }
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)
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// Sign transfer transaction with Alice's private key
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const txTransferBobSigned = driver.Transaction.signTransaction(txTransferBob, alice.privateKey)
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console.log('Posting signed transaction: ', txTransferBobSigned)
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} catch (err) {
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console.log(err)
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}
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return conn.postTransaction(txTransferBobSigned)
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})
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.then(res => {
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console.log('Response from BDB server:', res)
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return conn.pollStatusAndFetchTransaction(res.id)
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})
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.then(tx => {
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console.log('Is Bob the owner?', tx.outputs[0].public_keys[0] === bob.publicKey)
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console.log('Was Alice the previous owner?', tx.inputs[0].owners_before[0] === alice.publicKey)
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})
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// ======== Search Asset by Serial Number ======== //
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.then(() => conn.searchAssets('Bicycle Inc.'))
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.then(assets => console.log('Found assets with serial number Bicycle Inc.:', assets))
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