forked from cerc-io/ipld-eth-server
2c66afbcd7
- factor out bitsPerByte constant - panic if the necessary args aren't passed to GetStorageValueMetadataForPackedSlot - only have one decode integer method in the deocoder file
70 lines
2.5 KiB
Go
70 lines
2.5 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 utils
|
|
|
|
import "fmt"
|
|
|
|
type ValueType int
|
|
|
|
const (
|
|
Uint256 ValueType = iota
|
|
Uint48
|
|
Uint128
|
|
Bytes32
|
|
Address
|
|
PackedSlot
|
|
)
|
|
|
|
type Key string
|
|
|
|
type StorageValueMetadata struct {
|
|
Name string
|
|
Keys map[Key]string
|
|
Type ValueType
|
|
PackedNames map[int]string //zero indexed position in map => name of packed item
|
|
PackedTypes map[int]ValueType //zero indexed position in map => type of packed item
|
|
}
|
|
|
|
func GetStorageValueMetadata(name string, keys map[Key]string, valueType ValueType) StorageValueMetadata {
|
|
return getMetadata(name, keys, valueType, nil, nil)
|
|
}
|
|
|
|
func GetStorageValueMetadataForPackedSlot(name string, keys map[Key]string, valueType ValueType, packedNames map[int]string, packedTypes map[int]ValueType) StorageValueMetadata {
|
|
return getMetadata(name, keys, valueType, packedNames, packedTypes)
|
|
}
|
|
|
|
func getMetadata(name string, keys map[Key]string, valueType ValueType, packedNames map[int]string, packedTypes map[int]ValueType) StorageValueMetadata {
|
|
assertPackedSlotArgs(valueType, packedNames, packedTypes)
|
|
|
|
return StorageValueMetadata{
|
|
Name: name,
|
|
Keys: keys,
|
|
Type: valueType,
|
|
PackedNames: packedNames,
|
|
PackedTypes: packedTypes,
|
|
}
|
|
}
|
|
|
|
func assertPackedSlotArgs(valueType ValueType, packedNames map[int]string, packedTypes map[int]ValueType) {
|
|
if valueType == PackedSlot && (packedTypes == nil || packedNames == nil) {
|
|
panic(fmt.Sprintf("ValueType is PackedSlot. Expected PackedNames and PackedTypes to not be nil, but got PackedNames = %v and PackedTypes = %v", packedNames, packedTypes))
|
|
} else if (packedNames != nil && packedTypes != nil) && valueType != PackedSlot {
|
|
panic(fmt.Sprintf("PackedNames and PackedTypes passed in. Expected ValueType to equal PackedSlot (%v), but got %v.", PackedSlot, valueType))
|
|
}
|
|
|
|
}
|