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Show contract bytecode in Contract tab #8

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merged 1 commit into from
Jul 25, 2023
Merged

Show contract bytecode in Contract tab #8

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12 changes: 12 additions & 0 deletions src/execution/address/Contracts.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@ import { Match, MatchType } from "../../sourcify/useSourcify";
import ExternalLink from "../../components/ExternalLink";
import { openInRemixURL } from "../../url";
import ContractABI from "./contract/ContractABI";
import { useGetCode } from "../../useErigonHooks";
import StandardTextarea from "../../components/StandardTextarea";

type ContractsProps = {
checksummedAddress: string;
Expand All @@ -20,6 +22,7 @@ type ContractsProps = {

const Contracts: React.FC<ContractsProps> = ({ checksummedAddress, match }) => {
const { provider } = useContext(RuntimeContext);
const code = useGetCode(provider, checksummedAddress);

const [selected, setSelected] = useState<string>();
useEffect(() => {
Expand Down Expand Up @@ -133,6 +136,15 @@ const Contracts: React.FC<ContractsProps> = ({ checksummedAddress, match }) => {
</>
)}
</div>
<div className="py-5">
{code === undefined && <span>Getting contract bytecode...</span>}
{code && (
<>
<div className="pb-2">Contract Bytecode</div>
<StandardTextarea value={code} />
</>
)}
</div>
</ContentFrame>
);
};
Expand Down
16 changes: 16 additions & 0 deletions src/useErigonHooks.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -647,6 +647,22 @@ export const useHasCode = (
return data as boolean | undefined;
};

export const useGetCode = (
provider: JsonRpcProvider | undefined,
address: ChecksummedAddress | undefined,
blockTag: BlockTag = "latest"
): string | undefined => {
const fetcher = providerFetcher(provider);
const { data, error } = useSWRImmutable(
["eth_getCode", address, blockTag],
fetcher
);
if (error) {
return undefined;
}
return data as string | undefined;
};

const ERC20_PROTOTYPE = new Contract(AddressZero, erc20);

const tokenMetadataFetcher =
Expand Down