56 lines
2.3 KiB
TypeScript
56 lines
2.3 KiB
TypeScript
import { EIP155_CHAINS, EIP155_SIGNING_METHODS, TEIP155Chain } from '@/data/EIP155Data'
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import { eip155Addresses, eip155Wallets } from '@/utils/EIP155WalletUtil'
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import {
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getSignParamsMessage,
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getSignTypedDataParamsData,
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getWalletAddressFromParams
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} from '@/utils/HelperUtil'
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import { formatJsonRpcError, formatJsonRpcResult } from '@json-rpc-tools/utils'
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import { RequestEvent } from '@walletconnect/types'
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import { ERROR } from '@walletconnect/utils'
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import { providers } from 'ethers'
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export async function approveEIP155Request(requestEvent: RequestEvent) {
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const { method, params, id } = requestEvent.request
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const { chainId } = requestEvent
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const wallet = eip155Wallets[getWalletAddressFromParams(eip155Addresses, params)]
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switch (method) {
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case EIP155_SIGNING_METHODS.PERSONAL_SIGN:
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case EIP155_SIGNING_METHODS.ETH_SIGN:
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const message = getSignParamsMessage(params)
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const signedMessage = await wallet.signMessage(message)
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return formatJsonRpcResult(id, signedMessage)
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case EIP155_SIGNING_METHODS.ETH_SIGN_TYPED_DATA:
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case EIP155_SIGNING_METHODS.ETH_SIGN_TYPED_DATA_V3:
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case EIP155_SIGNING_METHODS.ETH_SIGN_TYPED_DATA_V4:
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const { domain, types, message: data } = getSignTypedDataParamsData(params)
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// https://github.com/ethers-io/ethers.js/issues/687#issuecomment-714069471
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delete types.EIP712Domain
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const signedData = await wallet._signTypedData(domain, types, data)
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return formatJsonRpcResult(id, signedData)
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case EIP155_SIGNING_METHODS.ETH_SEND_TRANSACTION:
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const provider = new providers.JsonRpcProvider(EIP155_CHAINS[chainId as TEIP155Chain].rpc)
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const sendTransaction = params[0]
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const connectedWallet = wallet.connect(provider)
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const { hash } = await connectedWallet.sendTransaction(sendTransaction)
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return formatJsonRpcResult(id, hash)
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case EIP155_SIGNING_METHODS.ETH_SIGN_TRANSACTION:
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const signTransaction = params[0]
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const signature = await wallet.signTransaction(signTransaction)
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return formatJsonRpcResult(id, signature)
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default:
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throw new Error(ERROR.UNKNOWN_JSONRPC_METHOD.format().message)
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}
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}
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export function rejectEIP155Request(request: RequestEvent['request']) {
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const { id } = request
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return formatJsonRpcError(id, ERROR.JSONRPC_REQUEST_METHOD_REJECTED.format().message)
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}
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