epistemophiliac/fabric-samples
1
0
Fork 0
mirror of https://github.com/hyperledger/fabric-samples.git synced 2026-06-17 07:25:10 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Parse transaction creator to Identity in off_chain_data samples (#883)

Browse source 
Signed-off-by: Mark S. Lewis <mark_lewis@uk.ibm.com>

Signed-off-by: Mark S. Lewis <mark_lewis@uk.ibm.com>
This commit is contained in:
Mark S. Lewis 2022-12-13 13:18:50 +00:00 committed by GitHub
parent a6028cd398
commit 4109e741e4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
off_chain_data/application-java/app/src/main/java/parser/ParsedTransaction.java
View file

@ -7,8 +7,10 @@
package parser;
import com.google.protobuf.InvalidProtocolBufferException;
import org.hyperledger.fabric.client.identity.Identity;
import org.hyperledger.fabric.protos.common.ChannelHeader;
import org.hyperledger.fabric.protos.common.Payload;
import org.hyperledger.fabric.protos.msp.SerializedIdentity;
import org.hyperledger.fabric.protos.peer.TxValidationCode;
import java.util.ArrayList;
@ -30,8 +32,20 @@ final class ParsedTransaction implements Transaction {
}
@Override
public byte[] getCreator() throws InvalidProtocolBufferException {
return payload.getSignatureHeader().getCreator().toByteArray();
public Identity getCreator() throws InvalidProtocolBufferException {
var creator = SerializedIdentity.parseFrom(payload.getSignatureHeader().getCreator());
return new Identity() {
@Override
public String getMspId() {
return creator.getMspid();
}
@Override
public byte[] getCredentials() {
return creator.getIdBytes().toByteArray();
}
};
}
@Override

3
off_chain_data/application-java/app/src/main/java/parser/Transaction.java
View file

@ -7,6 +7,7 @@
package parser;
import com.google.protobuf.InvalidProtocolBufferException;
import org.hyperledger.fabric.client.identity.Identity;
import org.hyperledger.fabric.protos.common.ChannelHeader;
import org.hyperledger.fabric.protos.common.Payload;
import org.hyperledger.fabric.protos.peer.TxValidationCode;
@ -15,7 +16,7 @@ import java.util.List;
public interface Transaction {
ChannelHeader getChannelHeader() throws InvalidProtocolBufferException;
byte[] getCreator() throws InvalidProtocolBufferException;
Identity getCreator() throws InvalidProtocolBufferException;
TxValidationCode getValidationCode();
boolean isValid();
List<NamespaceReadWriteSet> getNamespaceReadWriteSets() throws InvalidProtocolBufferException;

14
off_chain_data/application-typescript/src/blockParser.ts
View file

@ -4,7 +4,8 @@
* SPDX-License-Identifier: Apache-2.0
*/
import { common, ledger, peer } from '@hyperledger/fabric-protos';
import { Identity } from '@hyperledger/fabric-gateway';
import { common, ledger, msp, peer } from '@hyperledger/fabric-protos';
import { assertDefined, cache } from './utils';
export interface Block {
@ -15,7 +16,7 @@ export interface Block {
export interface Transaction {
getChannelHeader(): common.ChannelHeader;
getCreator(): Uint8Array;
getCreator(): Identity;
getValidationCode(): number;
isValid(): boolean;
getNamespaceReadWriteSets(): NamespaceReadWriteSet[];
@ -106,7 +107,14 @@ function newTransaction(payload: Payload): Transaction {
return {
getChannelHeader: () => payload.getChannelHeader(),
getCreator: () => payload.getSignatureHeader().getCreator_asU8(),
getCreator: () => {
const creatorBytes = payload.getSignatureHeader().getCreator_asU8();
const creator = msp.SerializedIdentity.deserializeBinary(creatorBytes);
return {
mspId: creator.getMspid(),
credentials: creator.getIdBytes_asU8(),
};
},
getNamespaceReadWriteSets: () => transaction.getReadWriteSets()
.flatMap(readWriteSet => readWriteSet.getNamespaceReadWriteSets()),
getValidationCode: () => payload.getTransactionValidationCode(),