rango-client

}; class EVMSigner implements GenericSigner<EvmTransaction> {  private client: ISignClient;  private getSession: SessionGetter;   constructor(client: ISignClient, getSession: SessionGetter) {    this.client = client;    this.getSession = getSession;  }   private get session(): SessionTypes.Struct {    const session = this.getSession();    if (!session) {      throw new Error('EVM WalletConnect session is not available.');    }    return session;  }   /**   * Map Rango's EvmTransaction to WalletConnect eth_sendTransaction params.   *   * Unlike DefaultEvmSigner.buildTx (ethers TransactionRequest with gasLimit +   * decimal fee strings), WC sends params raw over the relay. Wallets like

1. Line 27 class EVMSigner implements GenericSigner<EvmTransaction> {: Requires this account to have signed the transaction.
2. Line 45 * Map Rango's EvmTransaction to WalletConnect eth_sendTransaction params.: Submits the signed transaction to the cluster.

     * Legacy path: Ledger still requires maxFee* to skip re-estimation, so it     * will overwrite gas/fees with its own EIP-1559 estimate. We only forward     * gasPrice for wallets that honor it; do not expect Rango's gasLimit to     * stick on this path.     */    params.gasPrice = toHexQuantity(tx.gasPrice);  }  return params;}; /* * Implement GenericSigner so signAndSendTx can return only `{ hash }` — * Ledger's eth_sendTransaction never yields an ethers TransactionResponse. * Delegate personal_sign / eth_signTypedData_v4 to DefaultEvmSigner (supported * by Ledger). Do not use its signAndSendTx: ethers then polls * eth_getTransactionByHash, which Ledger does not support. */export class CustomEvmSigner implements GenericSigner<EvmTransaction> {  private defaultEvmSigner: DefaultEvmSigner;   constructor() {    /*     * Provider comes from the EIP-6963 announce stashed in ledgerProvider     * (getSigners runs after connect, so it should already be set).

1. Line 85 * Ledger's eth_sendTransaction never yields an ethers TransactionResponse.: Submits the signed transaction to the cluster.
2. Line 90 export class CustomEvmSigner implements GenericSigner<EvmTransaction> {: Requires this account to have signed the transaction.

 export class CustomTonSigner implements GenericSigner<TonTransaction> {  private provider: TonConnectUI;   constructor(provider: TonConnectUI) {    this.provider = provider;  }   async signMessage(): Promise<string> {    throw SignerError.UnimplementedError('signMessage');  }   async signAndSendTx(tx: TonTransaction): Promise<{ hash: string }> {    const transaction = DefaultTonSigner.buildTx(tx);    const { valid_until, network, ...restTransactionFields } = transaction;     const result = await this.provider.sendTransaction({      ...restTransactionFields,      validUntil: valid_until,      network: NETWORKS[network],    });     const hash = Cell.fromBase64(result.boc).hash().toString('hex');    return { hash };

1. Line 14 export class CustomTonSigner implements GenericSigner<TonTransaction> {: Requires this account to have signed the transaction.
2. Line 29 const result = await this.provider.sendTransaction({: Submits the signed transaction to the cluster.