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get-stacking-vaults.js
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get-stacking-vaults.js
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require('dotenv').config();
const CONTRACT_ADDRESS = process.env.CONTRACT_ADDRESS;
const tx = require('@stacks/transactions');
const utils = require('./utils');
const network = utils.resolveNetwork();
const AWS = require('aws-sdk');
async function getLastVaultId() {
const lastVaultTx = await tx.callReadOnlyFunction({
contractAddress: CONTRACT_ADDRESS,
contractName: "arkadiko-vault-data-v1-1",
functionName: "get-last-vault-id",
functionArgs: [],
senderAddress: CONTRACT_ADDRESS,
network
});
return tx.cvToJSON(lastVaultTx).value;
}
async function getVaultById(vaultId) {
const vaultTx = await tx.callReadOnlyFunction({
contractAddress: CONTRACT_ADDRESS,
contractName: "arkadiko-freddie-v1-1",
functionName: "get-vault-by-id",
functionArgs: [tx.uintCV(vaultId)],
senderAddress: CONTRACT_ADDRESS,
network
});
return tx.cvToJSON(vaultTx).value;
}
async function writeVaults(vaults) {
const s3 = new AWS.S3({
accessKeyId: process.env.AWS_ACCESS_KEY_ID,
secretAccessKey: process.env.AWS_ACCESS_KEY_SECRET
});
const json = JSON.stringify(vaults);
const unixTime = Math.floor(Date.now() / 1000);
const params = {
ACL: "public-read",
Bucket: 'arkadiko-prices',
Key: `vaults-${unixTime}.json`,
Body: json
};
s3.upload(params, function(err, data) {
if (err) {
throw err;
}
console.log(`File uploaded successfully. ${data.Location}`);
});
}
async function timeout(ms) {
return new Promise((resolve) => setTimeout(resolve, ms));
}
async function fetchVault(index, vaults) {
vault = await getVaultById(index);
console.log('queried vault with id', index);
if (!vault['is-liquidated']['value'] && Number(vault['collateral']['value']) > 0) {
vaults.push(vault);
}
if (index % 10 === 0) {
writeVaults(vaults);
await timeout(4000);
}
}
async function iterateAndCheck() {
const vaults = [];
const lastId = await getLastVaultId();
console.log('Last Vault ID is', lastId, ', iterating vaults');
let vault;
const vaultIds = Array.from(Array(lastId).keys());
for (let index = 1; index <= lastId; index++) {
try {
await fetchVault(index, vaults);
} catch (e) {
console.log('something terrible has happened...');
await timeout(10000);
await fetchVault(index, vaults);
}
}
writeVaults(vaults);
}
iterateAndCheck();