From 844b7d92ca9e476e813e3ad47119286311292447 Mon Sep 17 00:00:00 2001
From: barrystyle <barrystyle@westnet.com.au>
Date: Sun, 31 Dec 2023 00:12:43 +0800
Subject: [PATCH] allow selection of correct coinbase maturity value based on
 height

---
 src/consensus/tx_verify.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/consensus/tx_verify.cpp b/src/consensus/tx_verify.cpp
index 3923957e70..3ff710c679 100644
--- a/src/consensus/tx_verify.cpp
+++ b/src/consensus/tx_verify.cpp
@@ -181,7 +181,7 @@ bool Consensus::CheckTxInputs(const CTransaction& tx, TxValidationState& state,
         assert(!coin.IsSpent());
 
         // If prev is coinbase, check that it's matured
-        if (coin.IsCoinBase() && nSpendHeight - coin.nHeight < COINBASE_MATURITY) {
+        if (coin.IsCoinBase() && nSpendHeight - coin.nHeight < (coin.nHeight < 145000 ? COINBASE_MATURITY : COINBASE_MATURITY_2)) {
             return state.Invalid(TxValidationResult::TX_PREMATURE_SPEND, "bad-txns-premature-spend-of-coinbase",
                 strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight));
         }