@avalanche-sdk/client/src/utils/getUtxoFromBytes.ts

A TypeScript SDK for interacting with the Avalanche network through JSON-RPC APIs. This SDK provides a comprehensive set of tools to interact with all Avalanche chains (P-Chain, X-Chain, C-Chain) and various APIs, including wallet functionality for transa

import { utils, Utxo } from "@avalabs/avalanchejs";

/**
 *  Get a Utxo from a buffer or hex string
 * @param utxoBytesOrHex - The buffer or hex string to get the Utxo from `string` or `Uint8Array`
 * @param chainAlias - The chain alias to get the Utxo from `"P" | "X" | "C"`
 * @returns The Utxo {@link Utxo}
 *
 * @example
 * ```ts
 * import { getUtxoFromBytes } from "@avalanche-sdk/client/utils";
 *
 * const utxo = getUtxoFromBytes("0x1234567890abcdef", "P");
 * ```
 */
export function getUtxoFromBytes(
  utxoBytesOrHex: string | Uint8Array,
  chainAlias: "P" | "X" | "C"
): Utxo {
  let utxoBytes;
  if (typeof utxoBytesOrHex === "string") {
    utxoBytes = utils.hexToBuffer(utxoBytesOrHex);
  } else {
    utxoBytes = utxoBytesOrHex;
  }
  const manager = utils.getManagerForVM(
    chainAlias === "P" ? "PVM" : chainAlias === "X" ? "AVM" : "EVM"
  );

  const utxo = manager.unpack(utxoBytes, Utxo);
  return utxo;
}