cal.pub0.org/packages/app-store/rainbow/trpc/contract.handler.ts

43 lines
991 B
TypeScript

import { ethers } from "ethers";
import { configureChains, createClient } from "wagmi";
import abi from "../utils/abi.json";
import { getProviders, SUPPORTED_CHAINS } from "../utils/ethereum";
import type { TContractInputSchema } from "./contract.schema";
interface ContractHandlerOptions {
input: TContractInputSchema;
}
export const contractHandler = async ({ input }: ContractHandlerOptions) => {
const { address, chainId } = input;
const { provider } = configureChains(
SUPPORTED_CHAINS.filter((chain) => chain.id === chainId),
getProviders()
);
const client = createClient({
provider,
});
const contract = new ethers.Contract(address, abi, client.provider);
try {
const name = await contract.name();
const symbol = await contract.symbol();
return {
data: {
name,
symbol: `$${symbol}`,
},
};
} catch (e) {
return {
data: {
name: address,
symbol: "$UNKNOWN",
},
};
}
};