2021-02-17 18:00:16 +02:00

44 lines
1.6 KiB
Go

package utxoindex
import (
"encoding/binary"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
)
// ScriptPublicKeyString is a script public key represented as a string
// We use this type rather than just a byte slice because Go maps don't
// support slices as keys. See: UTXOChanges
type ScriptPublicKeyString string
// UTXOOutpointEntryPairs is a map between UTXO outpoints to UTXO entries
type UTXOOutpointEntryPairs map[externalapi.DomainOutpoint]externalapi.UTXOEntry
// UTXOOutpoints is a set of UTXO outpoints
type UTXOOutpoints map[externalapi.DomainOutpoint]interface{}
// UTXOChanges is the set of changes made to the UTXO index after
// a successful update
type UTXOChanges struct {
Added map[ScriptPublicKeyString]UTXOOutpointEntryPairs
Removed map[ScriptPublicKeyString]UTXOOutpoints
}
// ConvertScriptPublicKeyToString converts the given scriptPublicKey to a string
func ConvertScriptPublicKeyToString(scriptPublicKey *externalapi.ScriptPublicKey) ScriptPublicKeyString {
var versionBytes = make([]byte, 2) // uint16
binary.LittleEndian.PutUint16(versionBytes, scriptPublicKey.Version)
versionString := ScriptPublicKeyString(versionBytes)
scriptString := ScriptPublicKeyString(scriptPublicKey.Script)
return versionString + scriptString
}
// ConvertStringToScriptPublicKey converts the given string to a scriptPublicKey
func ConvertStringToScriptPublicKey(string ScriptPublicKeyString) *externalapi.ScriptPublicKey {
bytes := []byte(string)
version := binary.LittleEndian.Uint16(bytes[:2])
script := bytes[2:]
return &externalapi.ScriptPublicKey{Script: script, Version: version}
}