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core, eth: split eth package, implement snap protocol (#21482)

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This commit splits the eth package, separating the handling of eth and snap protocols. It also includes the capability to run snap sync (https://github.com/ethereum/devp2p/blob/master/caps/snap.md) , but does not enable it by default. 

Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
Co-authored-by: Martin Holst Swende <martin@swende.se>
This commit is contained in:
Péter Szilágyi
2020-12-14 11:27:15 +02:00
committed by GitHub
parent 00d10e610f
commit 017831dd5b
74 changed files with 8246 additions and 3411 deletions
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24
core/state/statedb.go
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@ -314,14 +314,19 @@ func (s *StateDB) GetState(addr common.Address, hash common.Hash) common.Hash {
return common.Hash{}
}
// GetProof returns the MerkleProof for a given Account
func (s *StateDB) GetProof(a common.Address) ([][]byte, error) {
// GetProof returns the Merkle proof for a given account.
func (s *StateDB) GetProof(addr common.Address) ([][]byte, error) {
return s.GetProofByHash(crypto.Keccak256Hash(addr.Bytes()))
}
// GetProofByHash returns the Merkle proof for a given account.
func (s *StateDB) GetProofByHash(addrHash common.Hash) ([][]byte, error) {
var proof proofList
err := s.trie.Prove(crypto.Keccak256(a.Bytes()), 0, &proof)
err := s.trie.Prove(addrHash[:], 0, &proof)
return proof, err
}
// GetStorageProof returns the StorageProof for given key
// GetStorageProof returns the Merkle proof for given storage slot.
func (s *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte, error) {
var proof proofList
trie := s.StorageTrie(a)
@ -332,6 +337,17 @@ func (s *StateDB) GetStorageProof(a common.Address, key common.Hash) ([][]byte,
return proof, err
}
// GetStorageProofByHash returns the Merkle proof for given storage slot.
func (s *StateDB) GetStorageProofByHash(a common.Address, key common.Hash) ([][]byte, error) {
var proof proofList
trie := s.StorageTrie(a)
if trie == nil {
return proof, errors.New("storage trie for requested address does not exist")
}
err := trie.Prove(crypto.Keccak256(key.Bytes()), 0, &proof)
return proof, err
}
// GetCommittedState retrieves a value from the given account's committed storage trie.
func (s *StateDB) GetCommittedState(addr common.Address, hash common.Hash) common.Hash {
stateObject := s.getStateObject(addr)