From f94f9a3c8daa900d0fba51d535c7a806e838ba34 Mon Sep 17 00:00:00 2001
From: Georgi Tsonev <gtsonevv@gmail.com>
Date: Thu, 5 Dec 2024 14:56:30 +0200
Subject: [PATCH] Add sendTransaction method

---
 packages/core/docs/guides/custom-wallets.md      |  9 ++++++++-
 .../wallet-modules/wallet-modules.service.ts     | 11 +++++++++++
 packages/core/src/lib/wallet/wallet.types.ts     | 16 ++++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/packages/core/docs/guides/custom-wallets.md b/packages/core/docs/guides/custom-wallets.md
index 6d8d310c9..457f0b4de 100644
--- a/packages/core/docs/guides/custom-wallets.md
+++ b/packages/core/docs/guides/custom-wallets.md
@@ -174,4 +174,11 @@ This method is similar to `signMessage` but instead signs and returns a `SignedT
 
 This method composes and signs a SignedDelegate action to be executed in a transaction. Returns the `SignedDelegateWithHash` object.
 
-> Note: Browser wallets (i.e. MyNearWallet) are unable to return the transaction outcome as they can trigger a redirect. The return type in this case is `Promise<void>` instead of the usual `Promise<SignedDelegateWithHash>`.
\ No newline at end of file
+> Note: Browser wallets (i.e. MyNearWallet) are unable to return the transaction outcome as they can trigger a redirect. The return type in this case is `Promise<void>` instead of the usual `Promise<SignedDelegateWithHash>`.
+
+
+### `sendTransaction`
+
+This method sends a previously signed transaction to the network. It takes a transaction hash and a signed transaction object, and optionally a callback URL. Returns a `FinalExecutionOutcome` when successful.
+
+> Note: Browser wallets (i.e. MyNearWallet) are unable to return the transaction outcome as they can trigger a redirect. The return type in this case is `Promise<void>` instead of the usual `Promise<FinalExecutionOutcome>`.
diff --git a/packages/core/src/lib/services/wallet-modules/wallet-modules.service.ts b/packages/core/src/lib/services/wallet-modules/wallet-modules.service.ts
index 409cda0e7..041c049f6 100644
--- a/packages/core/src/lib/services/wallet-modules/wallet-modules.service.ts
+++ b/packages/core/src/lib/services/wallet-modules/wallet-modules.service.ts
@@ -302,6 +302,7 @@ export class WalletModules {
     const _signOut = wallet.signOut;
     const _signMessage = wallet.signMessage;
     const _signTransaction = wallet.signTransaction;
+    const _sendTransaction = wallet.sendTransaction;
     const _signDelegateAction = wallet.signDelegateAction;
 
     wallet.signIn = async (params: never) => {
@@ -352,6 +353,16 @@ export class WalletModules {
       }
     };
 
+    wallet.sendTransaction = async (signedTransaction: never) => {
+      if (_sendTransaction === undefined) {
+        throw new Error(
+          `The sendTransaction method is not supported by ${wallet.metadata.name}`
+        );
+      }
+
+      return await _sendTransaction(signedTransaction);
+    };
+
     wallet.signDelegateAction = async (params: never) => {
       if (_signDelegateAction === undefined) {
         throw new Error(
diff --git a/packages/core/src/lib/wallet/wallet.types.ts b/packages/core/src/lib/wallet/wallet.types.ts
index 3d798077d..1887cad03 100644
--- a/packages/core/src/lib/wallet/wallet.types.ts
+++ b/packages/core/src/lib/wallet/wallet.types.ts
@@ -239,6 +239,14 @@ interface BaseWalletBehaviour {
   signTransaction?(
     params: SignTransactionParams
   ): Promise<[Uint8Array, SignedTransaction] | void>;
+  /**
+   * Sends a signed transaction to the network.
+   */
+  sendTransaction?(params: {
+    hash: Uint8Array;
+    signedTransaction: SignedTransaction;
+    callbackUrl?: string;
+  }): Promise<providers.FinalExecutionOutcome>;
   /**
    * Composes and signs a SignedDelegate action to be executed in a transaction
    */
@@ -338,6 +346,14 @@ export type BrowserWalletBehaviour = Modify<
     signAndSendTransactions(
       params: BrowserWalletSignAndSendTransactionsParams
     ): Promise<void>;
+    signTransaction?(
+      params: SignTransactionParams
+    ): Promise<[Uint8Array, SignedTransaction] | void>;
+    sendTransaction?(params: {
+      hash: Uint8Array;
+      signedTransaction: SignedTransaction;
+      callbackUrl?: string;
+    }): Promise<FinalExecutionOutcome | void>;
   }
 >;