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fix: enable batching in mass-payout.js by deferring transfer.wait() #443

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fix: enable batching in mass-payout.js by deferring transfer.wait() #443

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19 changes: 15 additions & 4 deletions quickstart-template/mass-payout.js
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Original file line number Diff line number Diff line change
Expand Up @@ -59,12 +59,14 @@ async function sendMassPayout(sendingWallet) {
// Define amount to send.
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 (sequentially to enable batching)
for await (const row of parser) {
const address = row[0];
if (address) {
Expand All @@ -76,14 +78,23 @@ 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
for (const { address, transfer } of transfers) {
try {
await transfer.wait();
console.log(`Transfer to ${address} successful`);
} catch (error) {
console.error(`Error waiting for transfer to ${address}: `, error);
}
}
} catch (error) {
console.error(`Error processing CSV file: `, error);
}
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