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core/vm: rename to JumpDestCache

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This commit is contained in:
Felix Lange 2025-07-31 17:40:10 +02:00
parent fd6d6d7fb3
commit 2f96b90846
3 changed files with 9 additions and 15 deletions
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6
core/vm/contract.go
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@ -31,8 +31,8 @@ type Contract struct {
caller common.Address
address common.Address
jumpDests JumpDests // Aggregated result of JUMPDEST analysis.
analysis BitVec // Locally cached result of JUMPDEST analysis
jumpDests JumpDestCache // Aggregated result of JUMPDEST analysis.
analysis BitVec // Locally cached result of JUMPDEST analysis
Code []byte
CodeHash common.Hash
@ -47,7 +47,7 @@ type Contract struct {
}
// NewContract returns a new contract environment for the execution of EVM.
func NewContract(caller common.Address, address common.Address, value *uint256.Int, gas uint64, jumpDests JumpDests) *Contract {
func NewContract(caller common.Address, address common.Address, value *uint256.Int, gas uint64, jumpDests JumpDestCache) *Contract {
// Initialize the jump analysis cache if it's nil, mostly for tests
if jumpDests == nil {
jumpDests = newMapJumpDests()

8
core/vm/evm.go
View file

@ -123,7 +123,7 @@ type EVM struct {
precompiles map[common.Address]PrecompiledContract
// jumpDests stores results of JUMPDEST analysis.
jumpDests JumpDests
jumpDests JumpDestCache
}
// NewEVM constructs an EVM instance with the supplied block context, state
@ -151,10 +151,8 @@ func (evm *EVM) SetPrecompiles(precompiles PrecompiledContracts) {
evm.precompiles = precompiles
}
// SetJumpDests sets a custom JumpDests implementation for the EVM.
// This allows for flexible caching strategies, including global caches
// that can be shared across multiple EVM instances.
func (evm *EVM) SetJumpDests(jumpDests JumpDests) {
// SetJumpDestCache configures the analysis cache.
func (evm *EVM) SetJumpDestCache(jumpDests JumpDestCache) {
evm.jumpDests = jumpDests
}

10
core/vm/jumpdests.go
View file

@ -18,10 +18,8 @@ package vm
import "github.com/ethereum/go-ethereum/common"
// JumpDests is an interface for managing the jumpdest analysis cache.
// It provides methods to store and retrieve the results of JUMPDEST analysis
// for contract bytecode, which is used to determine valid jump destinations.
type JumpDests interface {
// JumpDestCache represents the cache of jumpdest analysis results.
type JumpDestCache interface {
// Load retrieves the cached jumpdest analysis for the given code hash.
// Returns the BitVec and true if found, or nil and false if not cached.
Load(codeHash common.Hash) (BitVec, bool)
@ -35,17 +33,15 @@ type JumpDests interface {
type mapJumpDests map[common.Hash]BitVec
// newMapJumpDests creates a new map-based JumpDests implementation.
func newMapJumpDests() JumpDests {
func newMapJumpDests() JumpDestCache {
return make(mapJumpDests)
}
// Load retrieves the cached jumpdest analysis for the given code hash.
func (j mapJumpDests) Load(codeHash common.Hash) (BitVec, bool) {
vec, ok := j[codeHash]
return vec, ok
}
// Store saves the jumpdest analysis for the given code hash.
func (j mapJumpDests) Store(codeHash common.Hash, vec BitVec) {
j[codeHash] = vec
}