108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2019 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program 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 Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package ipld
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/ipfs/go-cid"
|
|
node "github.com/ipfs/go-ipld-format"
|
|
mh "github.com/multiformats/go-multihash"
|
|
)
|
|
|
|
// EthStorageTrie (eth-storage-trie, codec 0x98), represents
|
|
// a node from the storage trie in ethereum.
|
|
type EthStorageTrie struct {
|
|
cid cid.Cid
|
|
rawdata []byte
|
|
}
|
|
|
|
// Static (compile time) check that EthStorageTrie satisfies the node.Node interface.
|
|
var _ node.Node = (*EthStorageTrie)(nil)
|
|
|
|
/*
|
|
INPUT
|
|
*/
|
|
|
|
// FromStorageTrieRLP takes the RLP bytes of an ethereum
|
|
// storage trie node to return it as an IPLD node for further processing.
|
|
func FromStorageTrieRLP(storageNodeRLP []byte) (*EthStorageTrie, error) {
|
|
c, err := RawdataToCid(MEthStorageTrie, storageNodeRLP, mh.KECCAK_256)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &EthStorageTrie{
|
|
cid: c,
|
|
rawdata: storageNodeRLP,
|
|
}, nil
|
|
}
|
|
|
|
/*
|
|
Block INTERFACE
|
|
*/
|
|
|
|
// RawData returns the binary of the RLP encode of the storage trie node.
|
|
func (st *EthStorageTrie) RawData() []byte {
|
|
return st.rawdata
|
|
}
|
|
|
|
// Cid returns the cid of the storage trie node.
|
|
func (st *EthStorageTrie) Cid() cid.Cid {
|
|
return st.cid
|
|
}
|
|
|
|
// String is a helper for output
|
|
func (st *EthStorageTrie) String() string {
|
|
return fmt.Sprintf("<EthereumStorageTrie %s>", st.cid)
|
|
}
|
|
|
|
// Copy will go away. It is here to comply with the Node interface.
|
|
func (*EthStorageTrie) Copy() node.Node {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) Links() []*node.Link {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) Resolve(path []string) (interface{}, []string, error) {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) ResolveLink(path []string) (*node.Link, []string, error) {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) Size() (uint64, error) {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) Stat() (*node.NodeStat, error) {
|
|
panic("implement me")
|
|
}
|
|
|
|
func (*EthStorageTrie) Tree(path string, depth int) []string {
|
|
panic("implement me")
|
|
}
|
|
|
|
// Loggable returns in a map the type of IPLD Link.
|
|
func (st *EthStorageTrie) Loggable() map[string]interface{} {
|
|
return map[string]interface{}{
|
|
"type": "eth-storage-trie",
|
|
}
|
|
}
|