40 lines
1.8 KiB
Markdown
40 lines
1.8 KiB
Markdown
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# Mango Client
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A client to engage with the mango program
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### Example
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```
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async function main() {
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const client = new MangoClient()
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const cluster = 'mainnet-beta'
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const clusterUrl = process.env.CLUSTER_URL || IDS.cluster_urls[cluster]
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const connection = new Connection(clusterUrl, 'singleGossip')
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const programId = new PublicKey(IDS[cluster].mango_program_id)
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const dexProgramId = new PublicKey(IDS[cluster].dex_program_id)
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const mangoGroupPk = new PublicKey(IDS[cluster].mango_groups['BTC_ETH_USDT'].mango_group_pk)
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const keyPairPath = process.env.KEYPAIR || homedir() + '/.config/solana/id.json'
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const payer = new Account(JSON.parse(fs.readFileSync(keyPairPath, 'utf-8')))
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const mangoGroup = await client.getMangoGroup(connection, mangoGroupPk)
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const prices = await mangoGroup.getPrices(connection)
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const marginAccounts = (await client.getMarginAccountsForOwner(connection, programId, mangoGroup, payer))
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marginAccounts.sort(
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(a, b) => (a.computeValue(mangoGroup, prices) > b.computeValue(mangoGroup, prices) ? -1 : 1)
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)
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let marginAccount = marginAccounts[0]
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const market = await Market.load(connection, mangoGroup.spotMarkets[0], { skipPreflight: true, commitment: 'singleGossip'}, mangoGroup.dexProgramId)
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console.log('placing order')
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const txid = await client.placeOrder(connection, programId, mangoGroup, marginAccount, market, payer, 'buy', 48000, 0.0001)
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console.log('order placed')
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await sleep(5000)
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marginAccount = await client.getMarginAccount(connection, marginAccount.publicKey, mangoGroup.dexProgramId)
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const bids = await market.loadBids(connection)
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const asks = await market.loadAsks(connection)
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console.log('canceling orders')
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await marginAccount.cancelAllOrdersByMarket(connection, client, programId, mangoGroup, market, bids, asks, payer)
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console.log('orders canceled')
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}
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```
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