chore: unify the interfaces

chainio/txmgr/simple.go

@@ -69,12 +69,12 @@ func (m *SimpleTxManager) WithGasLimitMultiplier(multiplier float64) *SimpleTxMa
 // To check out the whole flow on how this works, check out the README.md in this folder
 func (m *SimpleTxManager) Send(ctx context.Context, tx *types.Transaction) (*types.Receipt, error) {
 
-	txID, err := m.SendWithoutWaiting(ctx, tx)
+	r, err := m.SendWithoutWaiting(ctx, tx)
 	if err != nil {
 		return nil, errors.Join(errors.New("send: failed to estimate gas and nonce"), err)
 	}
 
-	receipt, err := m.waitForReceipt(ctx, *txID)
+	receipt, err := m.waitForReceipt(ctx, r.TxHash.Hex())
 	if err != nil {
 		log.Info("Transaction receipt not found", "err", err)
 		return nil, err
@@ -83,7 +83,7 @@ func (m *SimpleTxManager) Send(ctx context.Context, tx *types.Transaction) (*typ
 	return receipt, nil
 }
 
-func (m *SimpleTxManager) SendWithoutWaiting(ctx context.Context, tx *types.Transaction) (*wallet.TxID, error) {
+func (m *SimpleTxManager) SendWithoutWaiting(ctx context.Context, tx *types.Transaction) (*types.Receipt, error) {
 	// Estimate gas and nonce
 	// can't print tx hash in logs because the tx changes below when we complete and sign it
 	// so the txHash is meaningless at this point
@@ -105,7 +105,9 @@ func (m *SimpleTxManager) SendWithoutWaiting(ctx context.Context, tx *types.Tran
 	if err != nil {
 		return nil, errors.Join(errors.New("send: failed to estimate gas and nonce"), err)
 	}
-	return &txID, nil
+	return &types.Receipt{
+		TxHash: common.HexToHash(txID),
+	}, nil
 }
 
 func NoopSigner(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {