plugeth/plugins/wrappers/backendwrapper/triewrapper.go

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package backendwrapper
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/trie"
"github.com/openrelayxyz/plugeth-utils/core"
)
type WrappedTrie struct {
t state.Trie
}
func NewWrappedTrie(t state.Trie) core.Trie {
return &WrappedTrie{t}
}
func (t *WrappedTrie) GetKey(b []byte) []byte {
return t.t.GetKey(b)
}
func (t *WrappedTrie) GetAccount(address core.Address) (*core.StateAccount, error) {
act, err := t.t.GetAccount(common.Address(address))
if err != nil {
return nil, err
}
return &core.StateAccount{
Nonce: act.Nonce,
Balance: act.Balance,
Root: core.Hash(act.Root),
CodeHash: act.CodeHash,
}, nil
}
func (t *WrappedTrie) Hash() core.Hash {
return core.Hash(t.t.Hash())
}
func (t *WrappedTrie) NodeIterator(startKey []byte) core.NodeIterator {
itr, err := t.t.NodeIterator(startKey)
log.Error("Error returned from geth side NodeIterator", "err", err)
return &WrappedNodeIterator{itr}
}
func (t *WrappedTrie) Prove(key []byte, fromLevel uint, proofDb core.KeyValueWriter) error {
return nil
}
type WrappedNodeIterator struct {
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n trie.NodeIterator
}
func (n WrappedNodeIterator) Next(b bool) bool {
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return n.n.Next(b)
}
func (n WrappedNodeIterator) Error() error {
return n.n.Error()
}
func (n WrappedNodeIterator) Hash() core.Hash {
return core.Hash(n.n.Hash())
}
func (n WrappedNodeIterator) Parent() core.Hash {
return core.Hash(n.n.Parent())
}
func (n WrappedNodeIterator) Path() []byte {
return n.n.Path()
}
func (n WrappedNodeIterator) NodeBlob() []byte {
return n.n.NodeBlob()
}
func (n WrappedNodeIterator) Leaf() bool {
return n.n.Leaf()
}
func (n WrappedNodeIterator) LeafKey() []byte {
return n.n.LeafKey()
}
func (n WrappedNodeIterator) LeafBlob() []byte {
return n.n.LeafBlob()
}
func (n WrappedNodeIterator) LeafProof() [][]byte {
return n.n.LeafProof()
}
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func (n WrappedNodeIterator) AddResolver(c core.NodeResolver) {
n.n.AddResolver(WrappedNodeResolver(c))
}
func WrappedNodeResolver(fn core.NodeResolver) trie.NodeResolver {
return func(owner common.Hash, path []byte, hash common.Hash) []byte {
return fn(core.Hash(owner), path, core.Hash(hash) )
}
}