WIP: EIP-7907 Meter Contract Code Size And Increase Limit

[lightclient]

WIP implementation of EIP-7907.

[fjl]

This function is identical to DeleteAddress.

[lightclient]

Oops good catch

[Gabriel-Trintinalia]

There seems to be some use of MaxInitCodeSize yet:

--- a/cmd/evm/internal/t8ntool/transaction.go
+++ b/cmd/evm/internal/t8ntool/transaction.go
@@ -180,7 +180,7 @@ func Transaction(ctx *cli.Context) error {
 			r.Error = errors.New("gas * maxFeePerGas exceeds 256 bits")
 		}
 		// Check whether the init code size has been exceeded.
-		if chainConfig.IsShanghai(new(big.Int), 0) && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
+		if chainConfig.IsShanghai(new(big.Int), 0) && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSizeEIP3860 {
 			r.Error = errors.New("max initcode size exceeded")
 		}
 		results = append(results, r)

diff --git a/core/txpool/validation.go b/core/txpool/validation.go
index 720d0d3b7..29c335038 100644
--- a/core/txpool/validation.go
+++ b/core/txpool/validation.go
@@ -87,8 +87,8 @@ func ValidateTransaction(tx *types.Transaction, head *types.Header, signer types
 		return fmt.Errorf("%w: type %d rejected, pool not yet in Prague", core.ErrTxTypeNotSupported, tx.Type())
 	}
 	// Check whether the init code size has been exceeded
-	if rules.IsShanghai && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
-		return fmt.Errorf("%w: code size %v, limit %v", core.ErrMaxInitCodeSizeExceeded, len(tx.Data()), params.MaxInitCodeSize)
+	if rules.IsShanghai && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSizeEIP3860 {
+		return fmt.Errorf("%w: code size %v, limit %v", core.ErrMaxInitCodeSizeExceeded, len(tx.Data()), params.MaxInitCodeSizeEIP3860)
 	}
 	// Transactions can't be negative. This may never happen using RLP decoded
 	// transactions but may occur for transactions created using the RPC.

[lightclient]

Closing since this is no longer considered for Fusaka.