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fix(quickstart): enable batching in mass-payout.js #444

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fix(quickstart): enable batching in mass-payout.js #444

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22 changes: 17 additions & 5 deletions quickstart-template/mass-payout.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,15 +56,17 @@ async function createAndFundSendingWallet() {

// Read from CSV file and send mass payout.
async function sendMassPayout(sendingWallet) {
// Define amount to send.
// Define amount and assetId for transfer.
const transferAmount = 0.000002;
const assetId = Coinbase.assets.Eth;
const transfers = [];

try {
const parser = fs
.createReadStream("./wallet-array.csv")
.pipe(parse({ delimiter: ",", from_line: 1 }));

// STEP 1: Queue all transfers without waiting for confirmation (enables batching)
for await (const row of parser) {
const address = row[0];
if (address) {
Expand All @@ -76,14 +78,24 @@ async function sendMassPayout(sendingWallet) {
destination: address,
});

await transfer.wait();

console.log(`Transfer to ${address} successful`);
transfers.push({ address, transfer });
console.log(`Queued transfer to ${address}`);
} catch (error) {
console.error(`Error transferring to ${address}: `, error);
console.error(`Error creating transfer to ${address}: `, error);
}
}
}

// STEP 2: Wait for all transfers to complete
console.log(`\nWaiting for ${transfers.length} transfers to complete...`);
for (const { address, transfer } of transfers) {
try {
await transfer.wait();
console.log(`Transfer to ${address} successful`);
} catch (error) {
console.error(`Transfer to ${address} failed: `, error);
}
}
} catch (error) {
console.error(`Error processing CSV file: `, error);
}
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