wormhole/bridge_ui/src/utils/getOriginalAsset.ts

85 lines
2.5 KiB
TypeScript

import {
ChainId,
CHAIN_ID_ETH,
CHAIN_ID_SOLANA,
} from "@certusone/wormhole-sdk";
import { Connection, PublicKey } from "@solana/web3.js";
import { ethers } from "ethers";
import { arrayify } from "ethers/lib/utils";
import { TokenImplementation__factory } from "../ethers-contracts";
import { uint8ArrayToHex } from "./array";
import { SOLANA_HOST, SOL_TOKEN_BRIDGE_ADDRESS } from "./consts";
import { getIsWrappedAssetEth } from "./getIsWrappedAsset";
export interface WormholeWrappedInfo {
isWrapped: boolean;
chainId: ChainId;
assetAddress: string;
}
/**
* Returns a origin chain and asset address on {originChain} for a provided Wormhole wrapped address
* @param provider
* @param wrappedAddress
* @returns
*/
export async function getOriginalAssetEth(
provider: ethers.providers.Web3Provider,
wrappedAddress: string
): Promise<WormholeWrappedInfo> {
const isWrapped = await getIsWrappedAssetEth(provider, wrappedAddress);
if (isWrapped) {
const token = TokenImplementation__factory.connect(
wrappedAddress,
provider
);
const chainId = (await token.chainId()) as ChainId; // origin chain
const assetAddress = await token.nativeContract(); // origin address
// TODO: type this?
return {
isWrapped: true,
chainId,
assetAddress: uint8ArrayToHex(arrayify(assetAddress)),
};
}
return {
isWrapped: false,
chainId: CHAIN_ID_ETH,
assetAddress: wrappedAddress,
};
}
export async function getOriginalAssetSol(
mintAddress: string
): Promise<WormholeWrappedInfo> {
if (mintAddress) {
// TODO: share some of this with getIsWrappedAssetSol, like a getWrappedMetaAccountAddress or something
const { parse_wrapped_meta, wrapped_meta_address } = await import(
"token-bridge"
);
const wrappedMetaAddress = wrapped_meta_address(
SOL_TOKEN_BRIDGE_ADDRESS,
new PublicKey(mintAddress).toBytes()
);
const wrappedMetaAddressPK = new PublicKey(wrappedMetaAddress);
// TODO: share connection in context?
const connection = new Connection(SOLANA_HOST, "confirmed");
const wrappedMetaAccountInfo = await connection.getAccountInfo(
wrappedMetaAddressPK
);
if (wrappedMetaAccountInfo) {
const parsed = parse_wrapped_meta(wrappedMetaAccountInfo.data);
return {
isWrapped: true,
chainId: parsed.chain,
assetAddress: uint8ArrayToHex(parsed.token_address),
};
}
}
return {
isWrapped: false,
chainId: CHAIN_ID_SOLANA,
assetAddress: mintAddress,
};
}