From fcee52406ed6e0ee25db6be67e90dd1892237204 Mon Sep 17 00:00:00 2001
From: Nicolas Deschildre <nicolas@deschildre.fr>
Date: Tue, 7 May 2024 07:43:40 +0200
Subject: [PATCH] blobBalanceUsage: Adding check for balance.

---
 eth/gasestimator/gasestimator.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/eth/gasestimator/gasestimator.go b/eth/gasestimator/gasestimator.go
index 9d33212fef..8e1bb58cbc 100644
--- a/eth/gasestimator/gasestimator.go
+++ b/eth/gasestimator/gasestimator.go
@@ -83,6 +83,9 @@ func Estimate(ctx context.Context, call *core.Message, opts *Options, gasCap uin
 		if opts.Config.IsCancun(opts.Header.Number, opts.Header.Time) && len(call.BlobHashes) > 0 {
 			blobBalanceUsage := new(big.Int).SetInt64(int64(len(call.BlobHashes) * params.BlobTxBlobGasPerBlob))
 			blobBalanceUsage.Mul(blobBalanceUsage, call.BlobGasFeeCap)
+			if blobBalanceUsage.Cmp(available) >= 0 {
+				return 0, nil, core.ErrInsufficientFunds
+			}
 			available.Sub(available, blobBalanceUsage)
 		}
 		allowance := new(big.Int).Div(available, feeCap)