Bridging

import os
from compass_api_sdk import CompassAPI

compass = CompassAPI(api_key_auth=os.environ["COMPASS_API_KEY"])

burn = compass.bridge.cctp_burn(
    owner="0xYourWalletAddress",
    chain="base",
    amount="100",
    destination_chain="arbitrum",
    transfer_mode="standard",
)

# burn.transaction: unsigned tx for the owner to sign and send on Base
# burn.bridge_id: keep it for the mint step
# burn.estimated_time_seconds: how long the attestation should take

import { CompassApiSDK } from "@compass-labs/api-sdk";

const compass = new CompassApiSDK({ apiKeyAuth: process.env.COMPASS_API_KEY });

const burn = await compass.bridge.cctpBurn({
  owner: "0xYourWalletAddress",
  chain: "base",
  amount: "100",
  destinationChain: "arbitrum",
  transferMode: "standard",
});

// burn.transaction: unsigned tx for the owner to sign and send on Base
// burn.bridgeId: keep it for the mint step
// burn.estimatedTimeSeconds: how long the attestation should take

curl -X POST "https://api.compasslabs.ai/v2/cctp/burn" \
  -H "x-api-key: $COMPASS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "owner": "0xYourWalletAddress",
    "chain": "base",
    "amount": "100",
    "destination_chain": "arbitrum",
    "transfer_mode": "standard"
  }'

import time
from compass_api_sdk import models

while True:
    mint = compass.bridge.cctp_mint(
        bridge_id=burn.bridge_id,
        burn_tx_hash="0xBurnTransactionHash",
        sender="0xYourWalletAddress",
    )
    if not isinstance(mint, models.MintPreparePendingResponse):
        break
    time.sleep(mint.estimated_wait_seconds)  # attestation still pending

# Once the mint is ready, mint.transaction is the unsigned tx
# for the sender to sign and send on Arbitrum

const mintRequest = {
  bridgeId: burn.bridgeId!,
  burnTxHash: "0xBurnTransactionHash",
  sender: "0xYourWalletAddress",
};

let mint = await compass.bridge.cctpMint(mintRequest);
while (mint.status !== "ready" && mint.status !== "completed") {
  const waitMs = mint.estimatedWaitSeconds * 1000; // attestation still pending
  await new Promise((resolve) => setTimeout(resolve, waitMs));
  mint = await compass.bridge.cctpMint(mintRequest);
}

// Once mint.status is "ready", mint.transaction is the unsigned tx
// for the sender to sign and send on Arbitrum

curl -X POST "https://api.compasslabs.ai/v2/cctp/mint" \
  -H "x-api-key: $COMPASS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "bridge_id": "YourBridgeId",
    "burn_tx_hash": "0xBurnTransactionHash",
    "sender": "0xYourWalletAddress"
  }'