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mirror of https://github.com/bigchaindb/js-bigchaindb-driver.git synced 2024-11-22 01:36:56 +01:00

Basic usage async example

This commit is contained in:
Michiel Mulders 2018-01-20 21:38:59 +01:00
parent 01deae78cd
commit 87f36946f0
2 changed files with 62 additions and 0 deletions

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@ -9,6 +9,7 @@
"start": "nodemon src/basic-usage.js --exec babel-node", "start": "nodemon src/basic-usage.js --exec babel-node",
"query-assets": "nodemon src/query-assets.js --exec babel-node", "query-assets": "nodemon src/query-assets.js --exec babel-node",
"seed-func": "nodemon src/seed-func.js --exec babel-node", "seed-func": "nodemon src/seed-func.js --exec babel-node",
"basic-async": "nodemon src/basic-usage-async-await.js --exec babel-node",
"websocket": "nodemon src/websocket.js --exec babel-node" "websocket": "nodemon src/websocket.js --exec babel-node"
}, },
"author": "BigchainDB", "author": "BigchainDB",

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@ -0,0 +1,61 @@
const driver = require('bigchaindb-driver')
// ======== Preparation ======== //
const conn = new driver.Connection('https://test.bigchaindb.com/api/v1/', {
app_id: 'c17a9968',
app_key: '0b277b94893e7b0a5b4e6afd6bccb01d'
})
const alice = new driver.Ed25519Keypair()
const bob = new driver.Ed25519Keypair()
const assetdata = {
'bicycle': {
'serial_number': 'abcd1234',
'manufacturer': 'Bicycle Inc.',
}
}
const metadata = { 'planet': 'earth' }
// Call async basic usage function
basicUsage()
async function basicUsage() {
// ======== Create Transaction Bicycle ======== //
const txCreateAliceSimple = driver.Transaction.makeCreateTransaction(
assetdata,
metadata,
[
driver.Transaction.makeOutput(driver.Transaction.makeEd25519Condition(alice.publicKey))
],
alice.publicKey
)
const txCreateAliceSimpleSigned =
driver.Transaction.signTransaction(txCreateAliceSimple, alice.privateKey)
// ======== Post Transaction and Fetch Result ======== //
await conn.postTransaction(txCreateAliceSimpleSigned)
await conn.pollStatusAndFetchTransaction(txCreateAliceSimpleSigned.id)
const txTransferBob = driver.Transaction.makeTransferTransaction(
[{ tx: txCreateAliceSimpleSigned, output_index: 0 }],
[driver.Transaction.makeOutput(driver.Transaction.makeEd25519Condition(bob.publicKey))],
{ price: '100 euro' }
)
const txTransferBobSigned = driver.Transaction.signTransaction(txTransferBob, alice.privateKey)
await conn.postTransaction(txTransferBobSigned)
await conn.pollStatusAndFetchTransaction(txTransferBobSigned.id)
// ======== Querying Assets ======== //
const assets = await conn.searchAssets('Bicycle Inc.')
console.log(assets) // eslint-disable-line no-console
}