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use ProofList as return type

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This commit is contained in:
Simon Jentzsch 2018-10-18 14:17:59 +02:00
parent 17ac3721f2
commit 7dbe3a8b88
3 changed files with 17 additions and 16 deletions
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2
common/bytes.go
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@ -31,7 +31,7 @@ func ToHex(b []byte) string {
return "0x" + hex
}
// creates a array of hex-string based on []byte
// ToHexArray creates a array of hex-string based on []byte
func ToHexArray(b [][]byte) []string {
r := make([]string, len(b))
for i := range b {

19
core/state/statedb.go
View file

@ -26,6 +26,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/rlp"
@ -257,28 +258,20 @@ func (self *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash
return common.Hash{}
}
// MerkleProof
type ProofList [][]byte
func (n *ProofList) Put(key []byte, value []byte) error {
*n = append(*n, value)
return nil
}
// GetProof returns the MerkleProof for a given Account
func (self *StateDB) GetProof(a common.Address) ([][]byte, error) {
var proof ProofList
func (self *StateDB) GetProof(a common.Address) (vm.ProofList, error) {
var proof vm.ProofList
err := self.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
return proof, err
}
// GetProof returns the StorageProof for given key
func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
func (self *StateDB) GetStorageProof(a common.Address, key common.Hash) (vm.ProofList, error) {
var proof vm.ProofList
trie := self.StorageTrie(a)
if trie == nil {
return [][]byte{}, errors.New("storage trie for requested address does not exist")
return proof, errors.New("storage trie for requested address does not exist")
}
var proof ProofList
err := trie.Prove(crypto.Keccak256(key.Bytes()), 0, &proof)
return proof, err
}

12
core/vm/interface.go
View file

@ -35,8 +35,8 @@ type StateDB interface {
SetNonce(common.Address, uint64)
GetCodeHash(common.Address) common.Hash
GetProof(common.Address) ([][]byte, error)
GetStorageProof(common.Address, common.Hash) ([][]byte, error)
GetProof(common.Address) (ProofList, error)
GetStorageProof(common.Address, common.Hash) (ProofList, error)
GetCode(common.Address) []byte
SetCode(common.Address, []byte)
GetCodeSize(common.Address) int
@ -80,3 +80,11 @@ type CallContext interface {
// Create a new contract
Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error)
}
// MerkleProof
type ProofList [][]byte
func (n *ProofList) Put(key []byte, value []byte) error {
*n = append(*n, value)
return nil
}