Add chain-registry parse and query helpers

2023-11-20 14:29:24 +01:00
parent cfc9d4dc4e
commit d83e77311a
1 changed files with 166 additions and 0 deletions
@@ -0,0 +1,166 @@
+import { isChainInfoFilled } from "@/context/ChainsContext/helpers";
+import { ChainInfo, ChainItems } from "@/context/ChainsContext/types";
+import { GithubChainRegistryItem, RegistryAsset, RegistryChain } from "@/types/chainRegistry";
+import { requestGhJson } from "./request";
+
+const chainRegistryRepo = "cosmos/chain-registry";
+const repoBranch = "master";
+const shaUrl = `https://api.github.com/repos/${chainRegistryRepo}/commits/${repoBranch}`;
+const mainnetsUrl = `https://api.github.com/repos/${chainRegistryRepo}/contents`;
+const testnetsUrl = `https://api.github.com/repos/${chainRegistryRepo}/contents/testnets`;
+const registryCdnUrl = `https://cdn.jsdelivr.net/gh/${chainRegistryRepo}@${repoBranch}`;
+
+const getShaFromRegistry = async () => {
+  const { sha }: { sha: string } = await requestGhJson(shaUrl);
+  return sha;
+};
+
+const getChainsFromRegistry = async () => {
+  const [mainnetGhItems, testnetGhItems]: [
+    readonly GithubChainRegistryItem[],
+    readonly GithubChainRegistryItem[],
+  ] = await Promise.all([requestGhJson(mainnetsUrl), requestGhJson(testnetsUrl)]);
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const mainnetChainJsonPromises: Promise<any>[] = [];
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const mainnetAssetListJsonPromises: Promise<any>[] = [];
+
+  for (const { type, path } of mainnetGhItems) {
+    if (
+      type !== "dir" ||
+      path.startsWith(".") ||
+      path.startsWith("_") ||
+      path === "testnets" ||
+      path.includes("thorchain") ||
+      path.includes("xion")
+    ) {
+      continue;
+    }
+
+    mainnetChainJsonPromises.push(requestGhJson(`${registryCdnUrl}/${path}/chain.json`));
+    mainnetAssetListJsonPromises.push(requestGhJson(`${registryCdnUrl}/${path}/assetlist.json`));
+  }
+
+  const mainnetChainJsons: readonly RegistryChain[] = await Promise.all(mainnetChainJsonPromises);
+  const mainnetAssetListJsons = (await Promise.all(mainnetAssetListJsonPromises)).map(
+    ({ assets }: { assets: readonly RegistryAsset[] }) => assets,
+  );
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const testnetChainJsonPromises: Promise<any>[] = [];
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const testnetAssetListJsonPromises: Promise<any>[] = [];
+
+  for (const { type, path } of testnetGhItems) {
+    if (type !== "dir" || path.startsWith("testnets/.") || path.startsWith("testnets/_")) {
+      continue;
+    }
+
+    testnetChainJsonPromises.push(requestGhJson(`${registryCdnUrl}/${path}/chain.json`));
+    testnetAssetListJsonPromises.push(requestGhJson(`${registryCdnUrl}/${path}/assetlist.json`));
+  }
+
+  const testnetChainJsons: readonly RegistryChain[] = await Promise.all(testnetChainJsonPromises);
+  const testnetAssetListJsons = (await Promise.all(testnetAssetListJsonPromises)).map(
+    ({ assets }: { assets: readonly RegistryAsset[] }) => assets,
+  );
+
+  const chains: ChainItems = { mainnets: new Map(), testnets: new Map(), localnets: new Map() };
+
+  for (let i = 0; i < mainnetChainJsons.length; i++) {
+    const chain = getChainInfoFromJsons(mainnetChainJsons[i], mainnetAssetListJsons[i]);
+    if (isChainInfoFilled(chain)) {
+      chains.mainnets.set(chain.registryName, chain);
+    }
+  }
+
+  for (let i = 0; i < testnetChainJsons.length; i++) {
+    const chain = getChainInfoFromJsons(testnetChainJsons[i], testnetAssetListJsons[i]);
+    if (isChainInfoFilled(chain)) {
+      chains.testnets.set(chain.registryName, chain);
+    }
+  }
+
+  return chains;
+};
+
+const getParsedCdnLogoUri = (registryUri: string | undefined) => {
+  if (!registryUri?.includes("github") || !registryUri.includes(chainRegistryRepo)) {
+    return registryUri;
+  }
+
+  const [, path] = registryUri.split(`${chainRegistryRepo}/${repoBranch}`);
+  return `${registryCdnUrl}${path}`;
+};
+
+const getLogoUri = (
+  { logo_URIs: chainUris }: RegistryChain,
+  { logo_URIs: firstAssetUris }: RegistryAsset,
+) =>
+  getParsedCdnLogoUri(chainUris?.svg) ||
+  getParsedCdnLogoUri(chainUris?.png) ||
+  firstAssetUris?.svg ||
+  firstAssetUris?.png ||
+  "";
+
+const getChainInfoFromJsons = (
+  registryChain: RegistryChain,
+  registryAssets: readonly RegistryAsset[],
+): ChainInfo => {
+  const cdnRegistryAssets: readonly RegistryAsset[] = registryAssets.map(
+    ({ logo_URIs, ...restProps }) => ({
+      logo_URIs: logo_URIs
+        ? {
+            png: getParsedCdnLogoUri(logo_URIs.png) || "",
+            svg: getParsedCdnLogoUri(logo_URIs.svg) || "",
+          }
+        : undefined,
+      ...restProps,
+    }),
+  );
+
+  const firstAsset = cdnRegistryAssets[0];
+  const logo = getLogoUri(registryChain, firstAsset);
+  const nodeAddresses = registryChain.apis?.rpc.map(({ address }) => address) ?? [];
+  const explorerLink = registryChain.explorers?.[0]?.tx_page ?? "";
+  const firstAssetDenom = firstAsset.base;
+  const displayUnit = firstAsset.denom_units.find((u) => u.denom == firstAsset.display);
+  const displayDenom = displayUnit ? firstAsset.symbol : firstAsset.base;
+  const displayDenomExponent = displayUnit
+    ? displayUnit.exponent
+    : firstAsset.denom_units[0].exponent;
+
+  const feeToken = registryChain.fees?.fee_tokens.find(
+    (token) => token.denom == firstAssetDenom,
+  ) ?? { denom: firstAssetDenom };
+
+  const gasPrice =
+    feeToken.average_gas_price ??
+    feeToken.low_gas_price ??
+    feeToken.high_gas_price ??
+    feeToken.fixed_min_gas_price ??
+    0.03;
+
+  const formattedGasPrice = firstAsset ? `${gasPrice}${firstAssetDenom}` : "";
+
+  const chain: ChainInfo = {
+    registryName: registryChain.chain_name,
+    logo,
+    addressPrefix: registryChain.bech32_prefix,
+    chainId: registryChain.chain_id,
+    chainDisplayName: registryChain.pretty_name,
+    nodeAddresses,
+    nodeAddress: "",
+    explorerLink,
+    denom: firstAssetDenom,
+    displayDenom,
+    displayDenomExponent,
+    gasPrice: formattedGasPrice,
+    assets: cdnRegistryAssets,
+  };
+
+  return chain;
+};
+
+export { getChainsFromRegistry, getShaFromRegistry };