fix(crypto): remove keccak_ziren.go (#2113)

crypto/keccak_ziren.go

@@ -1,122 +0,0 @@
-// Copyright 2025 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 <http://www.gnu.org/licenses/>.
-
-//go:build ziren
-
-package crypto
-
-import (
-	"github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime"
-	"github.com/XinFinOrg/XDPoSChain/common"
-)
-
-// zirenKeccakState implements the KeccakState interface using the Ziren zkvm_runtime.
-// It accumulates data written to it and uses the zkvm's Keccak256 system call for hashing.
-type zirenKeccakState struct {
-	buf    []byte // accumulated data
-	result []byte // cached result
-	dirty  bool   // whether new data has been written since last hash
-}
-
-func newZirenKeccakState() KeccakState {
-	return &zirenKeccakState{
-		buf: make([]byte, 0, 512), // pre-allocate reasonable capacity
-	}
-}
-
-func (s *zirenKeccakState) Write(p []byte) (n int, err error) {
-	s.buf = append(s.buf, p...)
-	s.dirty = true
-	return len(p), nil
-}
-
-func (s *zirenKeccakState) Sum(b []byte) []byte {
-	s.computeHashIfNeeded()
-	return append(b, s.result...)
-}
-
-func (s *zirenKeccakState) Reset() {
-	s.buf = s.buf[:0]
-	s.result = nil
-	s.dirty = false
-}
-
-func (s *zirenKeccakState) Size() int {
-	return 32
-}
-
-func (s *zirenKeccakState) BlockSize() int {
-	return 136 // Keccak256 rate
-}
-
-func (s *zirenKeccakState) Read(p []byte) (n int, err error) {
-	s.computeHashIfNeeded()
-
-	if len(p) == 0 {
-		return 0, nil
-	}
-
-	// After computeHashIfNeeded(), s.result is always a 32-byte slice
-	n = copy(p, s.result)
-	return n, nil
-}
-
-func (s *zirenKeccakState) computeHashIfNeeded() {
-	if s.dirty || s.result == nil {
-		// Use the zkvm_runtime Keccak256 which uses SyscallKeccakSponge
-		hashArray := zkvm_runtime.Keccak256(s.buf)
-		s.result = hashArray[:]
-		s.dirty = false
-	}
-}
-
-// NewKeccakState creates a new KeccakState
-// This uses a Ziren-optimized implementation that leverages the zkvm_runtime.Keccak256 system call.
-func NewKeccakState() KeccakState {
-	return newZirenKeccakState()
-}
-
-// Keccak256 calculates and returns the Keccak256 hash using the Ziren zkvm_runtime implementation.
-func Keccak256(data ...[]byte) []byte {
-	// For multiple data chunks, concatenate them
-	if len(data) == 0 {
-		result := zkvm_runtime.Keccak256(nil)
-		return result[:]
-	}
-	if len(data) == 1 {
-		result := zkvm_runtime.Keccak256(data[0])
-		return result[:]
-	}
-
-	// Concatenate multiple data chunks
-	var totalLen int
-	for _, d := range data {
-		totalLen += len(d)
-	}
-
-	combined := make([]byte, 0, totalLen)
-	for _, d := range data {
-		combined = append(combined, d...)
-	}
-
-	result := zkvm_runtime.Keccak256(combined)
-	return result[:]
-}
-
-// Keccak256Hash calculates and returns the Keccak256 hash as a Hash using the Ziren zkvm_runtime implementation.
-func Keccak256Hash(data ...[]byte) common.Hash {
-	return common.BytesToHash(Keccak256(data...))
-}

go.mod

@@ -33,7 +33,6 @@ require (
 
 require (
 	github.com/Microsoft/go-winio v0.6.2
-	github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20260124092617-829590d2c921
 	github.com/btcsuite/btcd/btcec/v2 v2.2.0
 	github.com/consensys/gnark-crypto v0.10.0
 	github.com/deckarep/golang-set/v2 v2.7.0

go.sum

@@ -1,7 +1,5 @@
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20260124092617-829590d2c921 h1:NxRnjiL8BBFLCnsDv18a20vb1d34TUiiZtdJGqpj3xs=
-github.com/ProjectZKM/Ziren/crates/go-runtime/zkvm_runtime v0.0.0-20260124092617-829590d2c921/go.mod h1:ioLG6R+5bUSO1oeGSDxOV3FADARuMoytZCSX6MEMQkI=
 github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
 github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
 github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=