64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
import { Connection, PublicKey } from "@solana/web3.js";
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import { ethers } from "ethers";
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import { Bridge__factory } from "../ethers-contracts";
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import { ChainId } from "../utils";
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import { ConnectedWallet as TerraConnectedWallet } from "@terra-money/wallet-provider";
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/**
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* Returns a foreign asset address on Ethereum for a provided native chain and asset address, AddressZero if it does not exist
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* @param tokenBridgeAddress
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* @param provider
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* @param originChain
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* @param originAsset zero pad to 32 bytes
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* @returns
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*/
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export async function getForeignAssetEth(
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tokenBridgeAddress: string,
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provider: ethers.providers.Web3Provider,
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originChain: ChainId,
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originAsset: Uint8Array
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) {
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const tokenBridge = Bridge__factory.connect(tokenBridgeAddress, provider);
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try {
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return await tokenBridge.wrappedAsset(originChain, originAsset);
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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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export async function getForeignAssetTerra(
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tokenBridgeAddress: string,
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wallet: TerraConnectedWallet,
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originChain: ChainId,
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originAsset: Uint8Array
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) {
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return null;
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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 connection
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* @param tokenBridgeAddress
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* @param originChain
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* @param originAsset zero pad to 32 bytes
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* @returns
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*/
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export async function getForeignAssetSol(
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connection: Connection,
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tokenBridgeAddress: string,
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originChain: ChainId,
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originAsset: Uint8Array
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) {
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const { wrapped_address } = await import("../solana/token/token_bridge");
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const wrappedAddress = wrapped_address(
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tokenBridgeAddress,
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originAsset,
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originChain
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);
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const wrappedAddressPK = new PublicKey(wrappedAddress);
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const wrappedAssetAccountInfo = await connection.getAccountInfo(
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wrappedAddressPK
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);
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return wrappedAssetAccountInfo ? wrappedAddressPK.toString() : null;
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}
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