Function fetchFiles

packages/ethereum-viewer/src/explorer/fetchFiles.ts:35–132

(
  apiName: ApiName,
  contractAddress: string,
  {
    fetch = fetchEtherscanResponse,
    proxyDepth = 3,
    skipPrefix = false,
  }: FetchFilesOptions = {}
)

}

export async function fetchFiles(
  apiName: ApiName,
  contractAddress: string,
  {
    fetch = fetchEtherscanResponse,
    proxyDepth = 3,
    skipPrefix = false,
  }: FetchFilesOptions = {}
): Promise<FetchFilesResult> {
  const apiUrl = explorerApiUrls[apiName];
  let url;
  if (apiUrl.includes("chainid=")) {
    url =
      apiUrl +
      "&module=contract" +
      "&action=getsourcecode" +
      `&address=${contractAddress}` +
      `&apikey=${explorerApiKeys[apiName]}`;
  } else {
    url =
      apiUrl +
      "?module=contract" +
      "&action=getsourcecode" +
      `&address=${contractAddress}` +
      `&apikey=${explorerApiKeys[apiName]}`;
  }

  const response = (await fetch(url)) as types.ContractSourceResponse;

  assert(
    response.message === "OK",
    "Failed to fetch contract source\n" + prettyStringify(response)
  );

  const {
    SourceCode: sourceCode,
    ABI: abi,
    Implementation: implementationAddr,
    ..._info
  } = response.result[0];

  const info: FetchFilesResult["info"] = _info;

  let files: FileContents = {};

  if (
    !sourceCode ||
    (!info.ContractName && abi === "Contract source code not verified")
  ) {
    return {
      files: {
        "error.md": contractNotVerifiedErrorMsg(apiName, contractAddress),
      },
      info,
    };
  }

  if (types.sourceHasSettings(sourceCode)) {