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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| import { AbstractConnector } from "@web3-react/abstract-connector"; | ||
| import { ConnectorUpdate } from "@web3-react/types"; | ||
| import { | ||
| EthereumProvider, | ||
| EthereumProviderOptions, | ||
| } from "@walletconnect/ethereum-provider/dist/types/EthereumProvider"; | ||
|
|
||
| export const URI_AVAILABLE = "URI_AVAILABLE"; | ||
|
|
||
| export class UserRejectedRequestError extends Error { | ||
| public constructor() { | ||
| super(); | ||
| this.name = this.constructor.name; | ||
| this.message = "The user rejected the request!"; | ||
| } | ||
| } | ||
|
|
||
| export class WalletConnectConnectorV2 extends AbstractConnector { | ||
| private readonly config: EthereumProviderOptions; | ||
|
|
||
| public walletConnectProvider?: EthereumProvider; | ||
|
|
||
| constructor({ | ||
| projectId, | ||
| showQrModal, | ||
| chains, | ||
| optionalChains, | ||
| rpcMap, | ||
| }: { | ||
| projectId: string; | ||
| showQrModal: boolean; | ||
| chains: number[]; | ||
| optionalChains?: number[]; | ||
| rpcMap: { [networkId: number]: string }; | ||
| }) { | ||
| super(); | ||
|
|
||
| this.config = { | ||
| chains, | ||
| optionalChains, | ||
| rpcMap, | ||
| projectId, | ||
| showQrModal, | ||
| qrModalOptions: { | ||
| enableExplorer: true, | ||
| chainImages: undefined, | ||
| themeMode: "dark", | ||
| themeVariables: { | ||
| "--w3m-font-family": '"Relative",sans-serif', | ||
| "--w3m-z-index": "1100", | ||
| }, | ||
| }, | ||
| }; | ||
|
|
||
| this.handleChainChanged = this.handleChainChanged.bind(this); | ||
| this.handleAccountsChanged = this.handleAccountsChanged.bind(this); | ||
| this.handleDisconnect = this.handleDisconnect.bind(this); | ||
| } | ||
|
|
||
| private handleChainChanged(chainId: number | string): void { | ||
| this.emitUpdate({ chainId }); | ||
| } | ||
|
|
||
| private handleAccountsChanged(accounts: string[]): void { | ||
| this.emitUpdate({ account: accounts[0] }); | ||
| } | ||
|
|
||
| private handleDisconnect(): void { | ||
| this.emitDeactivate(); | ||
| } | ||
|
|
||
| private handleDisplayURI = (uri: string): void => { | ||
| this.emit(URI_AVAILABLE, uri); | ||
| }; | ||
|
|
||
| public async activate(): Promise<ConnectorUpdate> { | ||
| if (!this.walletConnectProvider) { | ||
| const walletConnectProviderFactory = await import("@walletconnect/ethereum-provider").then( | ||
| (m) => m?.default ?? m | ||
| ); | ||
| this.walletConnectProvider = await walletConnectProviderFactory.init(this.config); | ||
| } | ||
|
|
||
| this.walletConnectProvider.on("chainChanged", this.handleChainChanged); | ||
| this.walletConnectProvider.on("accountsChanged", this.handleAccountsChanged); | ||
| this.walletConnectProvider.on("disconnect", this.handleDisconnect); | ||
| this.walletConnectProvider.on("display_uri", this.handleDisplayURI); | ||
| try { | ||
| const accounts = await this.walletConnectProvider.enable(); | ||
| const defaultAccount = accounts[0]; | ||
| return { provider: this.walletConnectProvider, account: defaultAccount }; | ||
| } catch (error) { | ||
| if (error.message === "User closed the modal!") { | ||
| throw new UserRejectedRequestError(); | ||
| } | ||
| throw error; | ||
| } | ||
| } | ||
|
|
||
| public async getProvider(): Promise<typeof this.walletConnectProvider> { | ||
| return this.walletConnectProvider; | ||
| } | ||
|
|
||
| public async getChainId(): Promise<number | string> { | ||
| return Promise.resolve(this.walletConnectProvider!.chainId); | ||
| } | ||
|
|
||
| public async getAccount(): Promise<null | string> { | ||
| return Promise.resolve(this.walletConnectProvider!.accounts).then((accounts: string[]): string => accounts[0]); | ||
| } | ||
|
|
||
| public deactivate() { | ||
| if (this.walletConnectProvider) { | ||
| this.walletConnectProvider.removeListener("disconnect", this.handleDisconnect); | ||
| this.walletConnectProvider.removeListener("chainChanged", this.handleChainChanged); | ||
| this.walletConnectProvider.removeListener("accountsChanged", this.handleAccountsChanged); | ||
| this.walletConnectProvider.removeListener("display_uri", this.handleDisplayURI); | ||
| this.walletConnectProvider.disconnect(); | ||
| } | ||
| } | ||
|
|
||
| public async close() { | ||
| this.emitDeactivate(); | ||
| } | ||
| } |
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