This repository has been archived by the owner on Apr 4, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 555
/
key.go
60 lines (49 loc) · 1.52 KB
/
key.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
package types
import (
"github.com/ethereum/go-ethereum/common"
)
const (
// ModuleName string name of module
ModuleName = "evm"
// StoreKey key for ethereum storage data, account code (StateDB) or block
// related data for Web3.
// The EVM module should use a prefix store.
StoreKey = ModuleName
// TransientKey is the key to access the EVM transient store, that is reset
// during the Commit phase.
TransientKey = "transient_" + ModuleName
// RouterKey uses module name for routing
RouterKey = ModuleName
)
// prefix bytes for the EVM persistent store
const (
prefixCode = iota + 1
prefixStorage
)
// prefix bytes for the EVM transient store
const (
prefixTransientBloom = iota + 1
prefixTransientTxIndex
prefixTransientLogSize
prefixTransientGasUsed
)
// KVStore key prefixes
var (
KeyPrefixCode = []byte{prefixCode}
KeyPrefixStorage = []byte{prefixStorage}
)
// Transient Store key prefixes
var (
KeyPrefixTransientBloom = []byte{prefixTransientBloom}
KeyPrefixTransientTxIndex = []byte{prefixTransientTxIndex}
KeyPrefixTransientLogSize = []byte{prefixTransientLogSize}
KeyPrefixTransientGasUsed = []byte{prefixTransientGasUsed}
)
// AddressStoragePrefix returns a prefix to iterate over a given account storage.
func AddressStoragePrefix(address common.Address) []byte {
return append(KeyPrefixStorage, address.Bytes()...)
}
// StateKey defines the full key under which an account state is stored.
func StateKey(address common.Address, key []byte) []byte {
return append(AddressStoragePrefix(address), key...)
}