Bridge Adapters

1interface BridgeAdapter {
2  // Identity
3  name: string;
4  supportedChains: Chain[];
5
6  // Quote a transfer
7  getQuote(params: QuoteParams): Promise<BridgeQuote>;
8
9  // Execute a quoted transfer
10  execute(quote: BridgeQuote, signer: Signer): Promise<BridgeResult>;
11
12  // Monitor transfer status
13  getStatus(txHash: string): Promise<BridgeStatus>;
14
15  // Health check
16  getHealth(): Promise<BridgeHealth>;
17}
18
19interface QuoteParams {
20  fromChain: string;
21  toChain: string;
22  token: string;
23  amount: string;
24}
25
26interface BridgeQuote {
27  bridge: string;
28  inputAmount: string;
29  outputAmount: string;
30  fee: string;
31  estimatedTime: number;
32  liquidityDepth: string;
33  expiresAt: number;
34}
35
36interface BridgeHealth {
37  online: boolean;
38  congestion: 'low' | 'medium' | 'high';
39  recentSuccessRate: number;
40  medianConfirmTime: number;
41}

1import { BridgeAdapter, QuoteParams, BridgeQuote } from '@mnmx/core';
2
3class MyBridgeAdapter implements BridgeAdapter {
4  name = 'my-bridge';
5  supportedChains = ['ethereum', 'solana', 'arbitrum'];
6
7  async getQuote(params: QuoteParams): Promise<BridgeQuote> {
8    // Call your bridge's API to get a quote
9    const response = await fetch(`https://api.mybridge.com/quote?${qs}`);
10    const data = await response.json();
11
12    return {
13      bridge: this.name,
14      inputAmount: params.amount,
15      outputAmount: data.outputAmount,
16      fee: data.fee,
17      estimatedTime: data.estimatedTime,
18      liquidityDepth: data.availableLiquidity,
19      expiresAt: Date.now() + 30_000,
20    };
21  }
22
23  async execute(quote: BridgeQuote, signer: Signer): Promise<BridgeResult> {
24    // Initiate the bridge transfer
25    // ...
26  }
27
28  async getStatus(txHash: string): Promise<BridgeStatus> {
29    // Check transfer status
30    // ...
31  }
32
33  async getHealth(): Promise<BridgeHealth> {
34    // Health check
35    // ...
36  }
37}
38
39// Register the adapter
40router.registerBridge(new MyBridgeAdapter());