Function fetchContractDeployHeight

packages/cli/src/utils/etherscan.ts:65–80

(
  address: string,
  chainId: number | string
)

 * @returns The block number where the contract was deployed, or undefined if not found.
 */
export async function fetchContractDeployHeight(
  address: string,
  chainId: number | string
): Promise<number | undefined> {
  const result = await runRequest<{blockNumber: string}[]>(chainId, {
    module: 'contract',
    action: 'getcontractcreation',
    contractaddresses: address,
  });

  if (!result) {
    return undefined;
  }

  return parseInt(result[0].blockNumber, 10);
}