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light: implemented odr-capable trie and state structures

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zsfelfoldi
2015-11-30 13:34:19 +01:00
parent e640861704
commit ef422ee1e1
10 changed files with 1091 additions and 15 deletions
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18
trie/errors.go
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@ -27,13 +27,23 @@ import (
// information necessary for retrieving the missing node through an ODR service.
//
// NodeHash is the hash of the missing node
//
// RootHash is the original root of the trie that contains the node
// KeyPrefix is the prefix that leads from the root to the missing node (hex encoded)
// KeySuffix (optional) contains the rest of the key we were looking for, gives a
// hint on which further nodes should also be retrieved (hex encoded)
//
// Key is a binary-encoded key that contains the prefix that leads to the first
// missing node and optionally a suffix that hints on which further nodes should
// also be retrieved
//
// PrefixLen is the nibble length of the key prefix that leads from the root to
// the missing node
//
// SuffixLen is the nibble length of the remaining part of the key that hints on
// which further nodes should also be retrieved (can be zero when there are no
// such hints in the error message)
type MissingNodeError struct {
RootHash, NodeHash common.Hash
KeyPrefix, KeySuffix []byte
Key []byte
PrefixLen, SuffixLen int
}
func (err *MissingNodeError) Error() string {