diff --git a/core/vm/jump_table_export.go b/core/vm/jump_table_export.go deleted file mode 100644 index b8fa6049bb..0000000000 --- a/core/vm/jump_table_export.go +++ /dev/null @@ -1,78 +0,0 @@ -// Copyright 2023 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see . - -package vm - -import ( - "errors" - - "github.com/ethereum/go-ethereum/params" -) - -// LookupInstructionSet returns the instruction set for the fork configured by -// the rules. -func LookupInstructionSet(rules params.Rules) (JumpTable, error) { - switch { - case rules.IsVerkle: - return newCancunInstructionSet(), errors.New("verkle-fork not defined yet") - case rules.IsOsaka: - return newPragueInstructionSet(), errors.New("osaka-fork not defined yet") - case rules.IsPrague: - return newPragueInstructionSet(), nil - case rules.IsCancun: - return newCancunInstructionSet(), nil - case rules.IsShanghai: - return newShanghaiInstructionSet(), nil - case rules.IsMerge: - return newMergeInstructionSet(), nil - case rules.IsLondon: - return newLondonInstructionSet(), nil - case rules.IsBerlin: - return newBerlinInstructionSet(), nil - case rules.IsIstanbul: - return newIstanbulInstructionSet(), nil - case rules.IsConstantinople: - return newConstantinopleInstructionSet(), nil - case rules.IsByzantium: - return newByzantiumInstructionSet(), nil - case rules.IsEIP158: - return newSpuriousDragonInstructionSet(), nil - case rules.IsEIP150: - return newTangerineWhistleInstructionSet(), nil - case rules.IsHomestead: - return newHomesteadInstructionSet(), nil - } - return newFrontierInstructionSet(), nil -} - -// Stack returns the minimum and maximum stack requirements. -func (op *operation) Stack() (int, int) { - return op.minStack, op.maxStack -} - -// HasCost returns true if the opcode has a cost. Opcodes which do _not_ have -// a cost assigned are one of two things: -// - undefined, a.k.a invalid opcodes, -// - the STOP opcode. -// This method can thus be used to check if an opcode is "Invalid (or STOP)". -func (op *operation) HasCost() bool { - // Ideally, we'd check this: - // return op.execute == opUndefined - // However, go-lang does now allow that. So we'll just check some other - // 'indicators' that this is an invalid op. Alas, STOP is impossible to - // filter out - return op.dynamicGas != nil || op.constantGas != 0 -}