73 lines
1.5 KiB
TypeScript
73 lines
1.5 KiB
TypeScript
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import { useState, useEffect } from "react";
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import { sourcifyMetadata } from "./url";
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export type Metadata = {
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version: string;
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language: string;
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compiler: {
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version: string;
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keccak256?: string | undefined;
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};
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sources: {
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[filename: string]: {
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keccak256: string;
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content?: string | undefined;
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urls?: string[];
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license?: string;
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};
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};
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settings: {
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remappings: string[];
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optimizer?: {
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enabled: boolean;
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runs: number;
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};
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compilationTarget: {
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[filename: string]: string;
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};
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libraries: {
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[filename: string]: string;
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};
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};
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output: {
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abi: any[];
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userdocs: any[];
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devdoc: any[];
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};
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};
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export const useSourcify = (
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checksummedAddress: string | undefined,
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chainId: number | undefined
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) => {
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const [rawMetadata, setRawMetadata] = useState<Metadata | null | undefined>();
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useEffect(() => {
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if (!checksummedAddress || chainId === undefined) {
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return;
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}
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const fetchMetadata = async () => {
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try {
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const contractMetadataURL = sourcifyMetadata(
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checksummedAddress,
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chainId
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);
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const result = await fetch(contractMetadataURL);
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if (result.ok) {
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const _metadata = await result.json();
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setRawMetadata(_metadata);
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} else {
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setRawMetadata(null);
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}
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} catch (err) {
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console.error(err);
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setRawMetadata(null);
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}
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};
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fetchMetadata();
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}, [checksummedAddress, chainId]);
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return rawMetadata;
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};
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