import { tinyBig, toChecksumAddress } from "../..";
import type {
  RPCTransaction,
  TransactionResponse,
} from "../../types/Transaction.types";
import { hexToDecimal } from "./hexToDecimal";

/**
 * Converts RPC transaction response to more JS-friendly format
 */
export function cleanTransaction(
  transaction: RPCTransaction
): TransactionResponse {
  const cleanedTransaction = {
    ...transaction,
  } as unknown as TransactionResponse;
  (Object.keys(transaction) as Array<keyof RPCTransaction>).forEach((key) => {
    // pending blocks have null instead of a difficulty
    // pending blocks have null instead of a miner address
    if (!transaction[key]) return;
    switch (key) {
      case "blockNumber":
      case "chainId":
      case "transactionIndex":
      case "type":
      case "v":
        cleanedTransaction[key] = Number(hexToDecimal(transaction[key]));
        break;
      case "from":
      case "to":
        if (transaction[key]) {
          cleanedTransaction[key] = toChecksumAddress(transaction[key]);
        }
        break;
      case "value":
      case "gas":
      case "gasPrice":
      case "maxFeePerGas":
      case "maxPriorityFeePerGas":
      case "nonce":
        cleanedTransaction[key] = tinyBig(hexToDecimal(transaction[key]));
        break;
    }
  });
  return cleanedTransaction;
}