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types.go
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types.go
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/*
Copyright IBM Corp. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0
*/
package statedata
import (
"fmt"
)
// KeyValue encapsulates a key and corresponding value
type KeyValue struct {
Key string
Value []byte
}
// DataKey represents a key in a namespace
type DataKey struct {
Ns, Key string
}
func (d *DataKey) String() string {
return fmt.Sprintf("Ns = %s, Key = %s", d.Ns, d.Key)
}
// PvtdataKeyHash represents the hash of a key in a collection within a namespace
type PvtdataKeyHash struct {
Ns, Coll string
KeyHash string
}
func (p *PvtdataKeyHash) String() string {
return fmt.Sprintf("Ns = %s, Coll = %s, KeyHash = %x", p.Ns, p.Coll, p.KeyHash)
}
// ProposedWrites encapsulates the final writes that a transaction intends to commit
// This is intended to be used to evaluate the endorsement policies by the Processor for
// the endorser transactions
type ProposedWrites struct {
Data []*DataKey
PvtdataHash []*PvtdataKeyHash
}
// ReadHint encapsulates the details of the hint about what keys a `Processor` may read during processing of a transaction
type ReadHint struct {
Data map[DataKey]*ReadHintDetails
PvtdataHash map[PvtdataKeyHash]*ReadHintDetails
}
// ReadHintDetails captures the details about what data associated with a key a transaction may read (whether the value, or metadata, or both)
type ReadHintDetails struct {
Value, Metadata bool
}
// WriteHint is intended to be used to give a transaction processor a hint what keys a transaction may write in its pre-simulated section (if any).
// The intention is to help transaction processor compute its ReadHint
type WriteHint struct {
Data []*DataKey
PvtdataHash []*PvtdataKeyHash
}