64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
// Copyright BigchainDB GmbH and BigchainDB contributors
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// SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
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// Code is Apache-2.0 and docs are CC-BY-4.0
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/* eslint-disable import/no-unresolved */
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const driver = require('bigchaindb-driver')
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require('dotenv').config()
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// ======== Preparation ======== //
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const conn = new driver.Connection('https://test.ipdb.io/api/v1/', {
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header1: 'header1_value',
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header2: 'header2_value'
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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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[
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driver.Transaction.makeOutput(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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// ======== Post Transaction and Fetch Result ======== //
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conn.postTransactionCommit(txCreateAliceSimpleSigned)
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// ======== Transfer Bicycle to Bob ======== //
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.then((fetchedTx) => {
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const txTransferBob = driver.Transaction.makeTransferTransaction(
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[{ tx: fetchedTx, 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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return conn.postTransactionCommit(txTransferBobSigned)
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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) // eslint-disable-line no-console
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console.log('Was Alice the previous owner?', tx.inputs[0].owners_before[0] === alice.publicKey) // eslint-disable-line no-console
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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)) // eslint-disable-line no-console
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