Cross-chain API

const send = client.prepareStealthSend(metaAddressHex);
const req = await client.buildAnnounceWithRelayRequest(send, {
  consistencyLevel: undefined,
});
await walletClient.sendTransaction({
  to: req.to,
  data: req.data,
  value: req.value,
});

// Ethereum
const evm = await client.buildAnnounceWithRelay("ethereum", send);
// { chain: "ethereum", to, data, value, chainId }

// Solana
const sol = await client.buildAnnounceWithRelay("solana", send, {
  batchId: 1,
  wormholeFee: undefined,  // auto-fetched
});
// { chain: "solana", instructions, signers }

const rows = await client.fetchCrossChainAnnouncements({
  fromBlock: 5_000_000n,
  toBlock: "latest",
});

const owned = await client.scanCrossChain();

const inbox = await client.scan({
  chains: ["ethereum"],
  includeCrossChain: true,
});

import {
  fetchVaa,
  getUabDeployment,
  requireUabDeployment,
  CONSISTENCY_FINALIZED,
  CONSISTENCY_SAFE,
  WORMHOLESCAN_TESTNET,
} from "@opaquecash/opaque";

import {
  encodeUabPayload,
  decodeUabPayload,
  UAB_PAYLOAD_LENGTH,
} from "@opaquecash/opaque";

const client = await OpaqueClient.create({ /* … */, starknet: {} });

const inbox = await client.scan({ chains: ["ethereum", "solana", "starknet"] });