[fireblocks] Add a way to cancel transaction

chainio/clients/fireblocks/cancel_transaction.go

@@ -0,0 +1,28 @@
+package fireblocks
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+type CancelTransactionResponse struct {
+	Success bool `json:"success"`
+}
+
+func (f *client) CancelTransaction(ctx context.Context, txID string) (bool, error) {
+	f.logger.Debug("Fireblocks cancel transaction", "txID", txID)
+	url := fmt.Sprintf("/v1/transactions/%s/cancel", txID)
+	res, err := f.makeRequest(ctx, "POST", url, nil)
+	if err != nil {
+		return false, fmt.Errorf("error making request: %w", err)
+	}
+	var response CancelTransactionResponse
+	err = json.NewDecoder(strings.NewReader(string(res))).Decode(&response)
+	if err != nil {
+		return false, fmt.Errorf("error parsing response body: %w", err)
+	}
+
+	return response.Success, nil
+}

chainio/clients/fireblocks/client.go

@@ -32,13 +32,16 @@ var AssetIDByChain = map[uint64]AssetID{
 	17000: AssetIDHolETH,    // holesky
 }
 
-type FireblocksTxID string
-
 type Client interface {
 	// ContractCall makes a ContractCall request to the Fireblocks API.
 	// It signs and broadcasts a transaction and returns the transaction ID and status.
 	// ref: https://developers.fireblocks.com/reference/post_transactions
 	ContractCall(ctx context.Context, body *ContractCallRequest) (*ContractCallResponse, error)
+	// CancelTransaction makes a CancelTransaction request to the Fireblocks API
+	// It cancels a transaction by its transaction ID.
+	// It returns true if the transaction was successfully canceled.
+	// ref: https://developers.fireblocks.com/reference/post_transactions-txid-cancel
+	CancelTransaction(ctx context.Context, txID string) (bool, error)
 	// ListContracts makes a ListContracts request to the Fireblocks API
 	// It returns a list of whitelisted contracts and their assets for the account.
 	// This call is used to get the contract ID for a whitelisted contract, which is needed as destination account ID by NewContractCallRequest in a ContractCall

chainio/clients/fireblocks/client_test.go

@@ -66,6 +66,16 @@ func TestContractCall(t *testing.T) {
 	t.Logf("txID: %s, status: %s", resp.ID, resp.Status)
 }
 
+func TestCancelTransaction(t *testing.T) {
+	t.Skip("skipping test as it's meant for manual runs only")
+
+	c := newFireblocksClient(t)
+	txID := "FILL_ME_IN"
+	success, err := c.CancelTransaction(context.Background(), txID)
+	assert.NoError(t, err)
+	t.Logf("txID: %s, success: %t", txID, success)
+}
+
 func TestListVaultAccounts(t *testing.T) {
 	t.Skip("skipping test as it's meant for manual runs only")
 

chainio/clients/wallet/fireblocks_wallet.go

@@ -206,6 +206,10 @@ func (t *fireblocksWallet) SendTransaction(ctx context.Context, tx *types.Transa
 	return res.ID, nil
 }
 
+func (t *fireblocksWallet) CancelTransactionBroadcast(ctx context.Context, txID TxID) (bool, error) {
+	return t.fireblocksClient.CancelTransaction(ctx, string(txID))
+}
+
 func (t *fireblocksWallet) GetTransactionReceipt(ctx context.Context, txID TxID) (*types.Receipt, error) {
 	fireblockTx, err := t.fireblocksClient.GetTransaction(ctx, txID)
 	if err != nil {