b-open-io/bsv-skills/broadcast-arc

import { Transaction, ARC } from '@bsv/sdk'
// GorillaPool — no API key needed
const result = await tx.broadcast(new ARC('https://arc.gorillapool.io'))
// TAAL — API key required
const result = await tx.broadcast(new ARC('https://api.taal.com/arc', 'mainnet_xxxxxx'))
// Check result
if (result.status === 'success') {
  console.log('txid:', result.txid)
  console.log('status:', result.message) // e.g. "SEEN_ON_NETWORK"
} else {
  console.error('broadcast failed:', result.description)
}

import { ARC, ArcConfig } from '@bsv/sdk'
const config: ArcConfig = {
  apiKey: 'mainnet_xxxxxx',          // Optional for GorillaPool
  callbackUrl: 'https://myapp.com/arc-callback',  // Webhook for confirmations
  callbackToken: 'my-secret-token',  // Sent as Authorization header in callbacks
  deploymentId: 'my-app-v1',         // Identifies your app in ARC logs
  headers: { 'X-Custom': 'value' },  // Extra headers on all requests
}
const broadcaster = new ARC('https://arc.gorillapool.io', config)
await tx.broadcast(broadcaster)

// Manually build with source tx attached (enables EF)
tx.addInput({
  sourceTXID: '...',
  sourceOutputIndex: 0,
  sourceTransaction: parentTx,  // Attaches parent → enables EF
  unlockingScriptTemplate: new P2PKH().unlock(key),
})

const broadcaster = new ARC('https://arc.gorillapool.io')
const results = await broadcaster.broadcastMany([tx1, tx2, tx3])
for (const r of results) {
  console.log(r)
}

import { Transaction, ARC } from '@bsv/sdk'
// Parse BEEF bytes from WalletClient
const tx = Transaction.fromBEEF(beefBytes)
// Or from hex BEEF string
const tx = Transaction.fromHexBEEF(beefHex)
// Broadcast
const result = await tx.broadcast(new ARC('https://arc.gorillapool.io'))

# Broadcast a raw/EF tx hex
bun run skills/broadcast-arc/scripts/broadcast.ts <tx-hex>
 
# Broadcast BEEF hex
bun run skills/broadcast-arc/scripts/broadcast.ts --beef <beef-hex>
 
# Use TAAL with API key
bun run skills/broadcast-arc/scripts/broadcast.ts <tx-hex> --key mainnet_xxxxxx --url https://api.taal.com/arc