73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
import { ChainId, CHAIN_ID_SOLANA } from "@certusone/wormhole-sdk";
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import { Connection, PublicKey } from "@solana/web3.js";
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import { ethers } from "ethers";
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import { arrayify, isHexString, zeroPad } from "ethers/lib/utils";
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import { Bridge__factory } from "../ethers-contracts";
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import {
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ETH_TOKEN_BRIDGE_ADDRESS,
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SOLANA_HOST,
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SOL_TOKEN_BRIDGE_ADDRESS,
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} from "./consts";
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/**
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* Returns a foreign asset address on Ethereum for a provided native chain and asset address
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* @param provider
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* @param originChain
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* @param originAsset
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* @returns
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*/
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export async function getForeignAssetEth(
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provider: ethers.providers.Web3Provider,
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originChain: ChainId,
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originAsset: string
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) {
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const tokenBridge = Bridge__factory.connect(
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ETH_TOKEN_BRIDGE_ADDRESS,
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provider
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);
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try {
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// TODO: address conversion may be more complex than this
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const originAssetBytes = zeroPad(
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originChain === CHAIN_ID_SOLANA
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? new PublicKey(originAsset).toBytes()
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: arrayify(originAsset),
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32
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);
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return await tokenBridge.wrappedAsset(originChain, originAssetBytes);
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} catch (e) {
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return ethers.constants.AddressZero;
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}
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}
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/**
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* Returns a foreign asset address on Solana for a provided native chain and asset address
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* @param originChain
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* @param originAsset
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* @returns
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*/
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export async function getForeignAssetSol(
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originChain: ChainId,
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originAsset: string
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) {
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if (!isHexString(originAsset)) return null;
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const { wrapped_address } = await import("token-bridge");
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// TODO: address conversion may be more complex than this
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const originAssetBytes = zeroPad(
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arrayify(originAsset, { hexPad: "left" }),
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32
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);
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const wrappedAddress = wrapped_address(
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SOL_TOKEN_BRIDGE_ADDRESS,
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originAssetBytes,
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originChain
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);
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const wrappedAddressPK = new PublicKey(wrappedAddress);
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// TODO: share connection in context?
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const connection = new Connection(SOLANA_HOST, "confirmed");
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const wrappedAssetAccountInfo = await connection.getAccountInfo(
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wrappedAddressPK
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);
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console.log("WAAI", wrappedAssetAccountInfo);
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return wrappedAssetAccountInfo ? wrappedAddressPK.toString() : null;
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}
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