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Revert "final draft for JSON determinm task, using Genson instead of object mapper"

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This reverts commit cc0f8c7bbba3ef1a0be1a9291e6c0a594b281933.

revert wrong commit cc0f8c7bbba3ef1a0be1a9291e6c0a594b281933

Signed-off-by: fraVlaca <ocsenarf@outlook.com>
This commit is contained in:
Francesco Vlacancich 2021-08-12 11:57:29 +02:00 committed by fraVlaca
parent f95fbbe3d0
commit 944c23d8a1
135 changed files with 989 additions and 2999 deletions
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19
asset-transfer-abac/chaincode-java/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/java">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

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asset-transfer-abac/chaincode-java/.settings/org.eclipse.buildship.core.prefs
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arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
jvm.arguments=
offline.mode=false
override.workspace.settings=true
show.console.view=true
show.executions.view=true

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asset-transfer-abac/chaincode-java/.settings/org.eclipse.jdt.core.prefs
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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
org.eclipse.jdt.core.compiler.compliance=1.8
org.eclipse.jdt.core.compiler.source=1.8

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asset-transfer-abac/chaincode-java/bin/main/org/example/Asset.class
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asset-transfer-abac/chaincode-java/bin/main/org/example/AssetTransfer$AssetTransferErrors.class
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asset-transfer-abac/chaincode-java/bin/main/org/example/AssetTransfer.class
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asset-transfer-abac/chaincode-typescript/dist/asset-contract.d.ts vendored
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import { Context, Contract } from 'fabric-contract-api';
export declare class AssetTransferContract extends Contract {
CreateAsset(ctx: Context, id: string, color: string, size: number, appraisedValue: number): Promise<void>;
ReadAsset(ctx: Context, id: string): Promise<string>;
UpdateAsset(ctx: Context, id: string, color: string, size: number, appraisedValue: number): Promise<void>;
DeleteAsset(ctx: Context, id: string): Promise<void>;
AssetExists(ctx: Context, id: string): Promise<boolean>;
TransferAsset(ctx: Context, id: string, newOwner: string): Promise<void>;
GetAllAssets(ctx: Context): Promise<string>;
GetSubmittingClientIdentity(ctx: Context): Promise<string>;
}

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asset-transfer-abac/chaincode-typescript/dist/asset-contract.js vendored
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"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssetTransferContract = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
const fabric_shim_1 = require("fabric-shim");
let AssetTransferContract = class AssetTransferContract extends fabric_contract_api_1.Contract {
// CreateAsset issues a new asset to the world state with given details.
async CreateAsset(ctx, id, color, size, appraisedValue) {
let err = new fabric_shim_1.ClientIdentity(ctx.stub).assertAttributeValue("abac.creator", "true"); // "stub" is the ChaincodeStub object passed to Init() and Invoke() methods
if (!err) {
throw new Error("Client not autorized, set abac.creature=true");
}
const exists = await this.AssetExists(ctx, id);
if (exists) {
throw new Error(`The asset ${id} already exists`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const asset = {
ID: id,
Color: color,
Size: size,
Owner: clientID,
AppraisedValue: appraisedValue,
};
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
}
// ReadAsset returns the asset stored in the world state with given id.
async ReadAsset(ctx, id) {
const assetJSON = await ctx.stub.getState(id); // get the asset from chaincode state
if (!assetJSON || assetJSON.length === 0) {
throw new Error(`The asset ${id} does not exist`);
}
return assetJSON.toString();
}
// UpdateAsset updates an existing asset in the world state with provided parameters.
async UpdateAsset(ctx, id, color, size, appraisedValue) {
const exists = await this.AssetExists(ctx, id);
if (!exists) {
throw new Error(`The asset ${id} does not exist`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
// overwriting original asset with new asset
const updatedAsset = {
ID: id,
Color: color,
Size: size,
Owner: clientID,
AppraisedValue: appraisedValue,
};
return ctx.stub.putState(id, Buffer.from(JSON.stringify(updatedAsset)));
}
// DeleteAsset deletes an given asset from the world state.
async DeleteAsset(ctx, id) {
const exists = await this.AssetExists(ctx, id);
if (!exists) {
throw new Error(`The asset ${id} does not exist`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
return ctx.stub.deleteState(id);
}
// AssetExists returns true when asset with given ID exists in world state.
async AssetExists(ctx, id) {
const assetJSON = await ctx.stub.getState(id);
return assetJSON && assetJSON.length > 0;
}
// TransferAsset updates the owner field of asset with given id in the world state.
async TransferAsset(ctx, id, newOwner) {
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
const clientID = this.GetSubmittingClientIdentity(ctx);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
asset.Owner = newOwner;
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
}
// GetAllAssets returns all assets found in the world state.
async GetAllAssets(ctx) {
const allResults = [];
// range query with empty string for startKey and endKey does an open-ended query of all assets in the chaincode namespace.
const iterator = await ctx.stub.getStateByRange('', '');
let result = await iterator.next();
while (!result.done) {
const strValue = Buffer.from(result.value.value.toString()).toString('utf8');
let record;
try {
record = JSON.parse(strValue);
}
catch (err) {
console.log(err);
record = strValue;
}
allResults.push({ Key: result.value.key, Record: record });
result = await iterator.next();
}
return JSON.stringify(allResults);
}
// GetSubmittingClientIdentity returns the name and issuer of the identity that
// invokes the smart contract. This function base64 decodes the identity string
// before returning the value to the client or smart contract.
async GetSubmittingClientIdentity(ctx) {
const b64ID = new fabric_shim_1.ClientIdentity(ctx.stub).getID();
if (b64ID == null) {
throw new Error("failed to retrieve Client ID");
}
const decodeID = atob(b64ID);
return String(decodeID);
}
};
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, Number]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "CreateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "ReadAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, Number]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "UpdateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "DeleteAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('boolean'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "AssetExists", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "TransferAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('string'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "GetAllAssets", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "GetSubmittingClientIdentity", null);
AssetTransferContract = __decorate([
fabric_contract_api_1.Info({ title: 'AssetTransfer', description: 'Smart contract for trading assets' })
], AssetTransferContract);
exports.AssetTransferContract = AssetTransferContract;
//# sourceMappingURL=asset-contract.js.map

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export declare class Asset {
docType?: string;
ID: string;
Color: string;
Size: number;
Owner: string;
AppraisedValue: number;
}

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"use strict";
/*
SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Asset = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
let Asset = class Asset {
};
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "docType", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "ID", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Color", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "Size", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Owner", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "AppraisedValue", void 0);
Asset = __decorate([
fabric_contract_api_1.Object()
], Asset);
exports.Asset = Asset;
//# sourceMappingURL=asset.js.map

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{"version":3,"file":"asset.js","sourceRoot":"","sources":["../src/asset.ts"],"names":[],"mappings":";AAAA;;EAEE;;;;;;;;;;;;AAEF,6DAAqD;AAGrD,IAAa,KAAK,GAAlB,MAAa,KAAK;CAkBjB,CAAA;AAhBG;IADC,8BAAQ,EAAE;;sCACa;AAGxB;IADC,8BAAQ,EAAE;;iCACO;AAGlB;IADC,8BAAQ,EAAE;;oCACU;AAGrB;IADC,8BAAQ,EAAE;;mCACS;AAGpB;IADC,8BAAQ,EAAE;;oCACU;AAGrB;IADC,8BAAQ,EAAE;;6CACmB;AAjBrB,KAAK;IADjB,4BAAM,EAAE;GACI,KAAK,CAkBjB;AAlBY,sBAAK"}

11
asset-transfer-abac/chaincode-typescript/dist/assetTransfer.d.ts vendored
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@ -1,11 +0,0 @@
import { Context, Contract } from 'fabric-contract-api';
export declare class AssetTransferContract extends Contract {
CreateAsset(ctx: Context, id: string, color: string, size: number, appraisedValue: number): Promise<void>;
ReadAsset(ctx: Context, id: string): Promise<string>;
UpdateAsset(ctx: Context, id: string, color: string, size: number, appraisedValue: number): Promise<void>;
DeleteAsset(ctx: Context, id: string): Promise<void>;
AssetExists(ctx: Context, id: string): Promise<boolean>;
TransferAsset(ctx: Context, id: string, newOwner: string): Promise<void>;
GetAllAssets(ctx: Context): Promise<string>;
GetSubmittingClientIdentity(ctx: Context): Promise<string>;
}

186
asset-transfer-abac/chaincode-typescript/dist/assetTransfer.js vendored
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@ -1,186 +0,0 @@
"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssetTransferContract = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
const fabric_shim_1 = require("fabric-shim");
let AssetTransferContract = class AssetTransferContract extends fabric_contract_api_1.Contract {
// CreateAsset issues a new asset to the world state with given details.
async CreateAsset(ctx, id, color, size, appraisedValue) {
let err = new fabric_shim_1.ClientIdentity(ctx.stub).assertAttributeValue("abac.creator", "true"); // "stub" is the ChaincodeStub object passed to Init() and Invoke() methods
if (!err) {
throw new Error("Client not autorized, set abac.creature=true");
}
const exists = await this.AssetExists(ctx, id);
if (exists) {
throw new Error(`The asset ${id} already exists`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const asset = {
ID: id,
Color: color,
Size: size,
Owner: clientID,
AppraisedValue: appraisedValue,
};
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
}
// ReadAsset returns the asset stored in the world state with given id.
async ReadAsset(ctx, id) {
const assetJSON = await ctx.stub.getState(id); // get the asset from chaincode state
if (!assetJSON || assetJSON.length === 0) {
throw new Error(`The asset ${id} does not exist`);
}
return assetJSON.toString();
}
// UpdateAsset updates an existing asset in the world state with provided parameters.
async UpdateAsset(ctx, id, color, size, appraisedValue) {
const exists = await this.AssetExists(ctx, id);
if (!exists) {
throw new Error(`The asset ${id} does not exist`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
// overwriting original asset with new asset
const updatedAsset = {
ID: id,
Color: color,
Size: size,
Owner: clientID,
AppraisedValue: appraisedValue,
};
return ctx.stub.putState(id, Buffer.from(JSON.stringify(updatedAsset)));
}
// DeleteAsset deletes an given asset from the world state.
async DeleteAsset(ctx, id) {
const exists = await this.AssetExists(ctx, id);
if (!exists) {
throw new Error(`The asset ${id} does not exist`);
}
const clientID = this.GetSubmittingClientIdentity(ctx);
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
return ctx.stub.deleteState(id);
}
// AssetExists returns true when asset with given ID exists in world state.
async AssetExists(ctx, id) {
const assetJSON = await ctx.stub.getState(id);
return assetJSON && assetJSON.length > 0;
}
// TransferAsset updates the owner field of asset with given id in the world state.
async TransferAsset(ctx, id, newOwner) {
const assetString = await this.ReadAsset(ctx, id);
const asset = JSON.parse(assetString);
const clientID = this.GetSubmittingClientIdentity(ctx);
if (clientID != asset.getOwner()) {
throw new Error("Client not autorized, set abac.creature=true");
}
asset.Owner = newOwner;
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
}
// GetAllAssets returns all assets found in the world state.
async GetAllAssets(ctx) {
const allResults = [];
// range query with empty string for startKey and endKey does an open-ended query of all assets in the chaincode namespace.
const iterator = await ctx.stub.getStateByRange('', '');
let result = await iterator.next();
while (!result.done) {
const strValue = Buffer.from(result.value.value.toString()).toString('utf8');
let record;
try {
record = JSON.parse(strValue);
}
catch (err) {
console.log(err);
record = strValue;
}
allResults.push({ Key: result.value.key, Record: record });
result = await iterator.next();
}
return JSON.stringify(allResults);
}
// GetSubmittingClientIdentity returns the name and issuer of the identity that
// invokes the smart contract. This function base64 decodes the identity string
// before returning the value to the client or smart contract.
async GetSubmittingClientIdentity(ctx) {
const b64ID = new fabric_shim_1.ClientIdentity(ctx.stub).getID();
if (b64ID == null) {
throw new Error("failed to retrieve Client ID");
}
const decodeID = atob(b64ID);
return String(decodeID);
}
};
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, Number]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "CreateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "ReadAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, Number]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "UpdateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "DeleteAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('boolean'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "AssetExists", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "TransferAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('string'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "GetAllAssets", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context]),
__metadata("design:returntype", Promise)
], AssetTransferContract.prototype, "GetSubmittingClientIdentity", null);
AssetTransferContract = __decorate([
fabric_contract_api_1.Info({ title: 'AssetTransfer', description: 'Smart contract for trading assets' })
], AssetTransferContract);
exports.AssetTransferContract = AssetTransferContract;
//# sourceMappingURL=assetTransfer.js.map

1
asset-transfer-abac/chaincode-typescript/dist/assetTransfer.js.map vendored
View file

@ -1 +0,0 @@
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2
asset-transfer-abac/chaincode-typescript/dist/index.d.ts vendored
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@ -1,2 +0,0 @@
export { AssetTransferContract } from './assetTransfer';
export declare const contracts: any[];

11
asset-transfer-abac/chaincode-typescript/dist/index.js vendored
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@ -1,11 +0,0 @@
"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.contracts = void 0;
const assetTransfer_1 = require("./assetTransfer");
var assetTransfer_2 = require("./assetTransfer");
Object.defineProperty(exports, "AssetTransferContract", { enumerable: true, get: function () { return assetTransfer_2.AssetTransferContract; } });
exports.contracts = [assetTransfer_1.AssetTransferContract];
//# sourceMappingURL=index.js.map

1
asset-transfer-abac/chaincode-typescript/dist/index.js.map vendored
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@ -1 +0,0 @@
{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";AAAA;;GAEG;;;AAEH,mDAAwD;AACxD,iDAAwD;AAA/C,sHAAA,qBAAqB,OAAA;AAEjB,QAAA,SAAS,GAAU,CAAE,qCAAqB,CAAE,CAAC"}

1
asset-transfer-basic/chaincode-go/chaincode/smartcontract.go
View file

@ -16,7 +16,6 @@ type SmartContract struct {
// Insert struct field in alphabetic order => to achieve determinism accross languages
// golang keeps the order when marshal to json but doesn't order automatically
// The encoding/json package marshals maps in sorted key order and structs in the order that the fields are declared.
type Asset struct {
AppraisedValue int `json:"AppraisedValue"`
Color string `json:"Color"`

2
asset-transfer-basic/chaincode-java/.classpath
View file

@ -13,7 +13,7 @@
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8/"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

6
asset-transfer-basic/chaincode-java/.gitattributes vendored Normal file
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@ -0,0 +1,6 @@
#
# https://help.github.com/articles/dealing-with-line-endings/
#
# These are explicitly windows files and should use crlf
*.bat text eol=crlf

BIN
asset-transfer-basic/chaincode-java/bin/main/org/hyperledger/fabric/samples/assettransfer/AssetTransfer.class
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87
asset-transfer-basic/chaincode-java/build.gradle
View file

@ -1,32 +1,80 @@
/*
* SPDX-License-Identifier: Apache-2.0
*/
plugins {
id 'com.github.johnrengelman.shadow' version '5.2.0'
id 'java'
id 'com.github.johnrengelman.shadow' version '5.1.0'
id 'application'
id 'checkstyle'
id 'jacoco'
}
version '0.0.1'
sourceCompatibility = 1.8
repositories {
mavenLocal()
mavenCentral()
maven {
url 'https://jitpack.io'
}
}
group 'org.hyperledger.fabric.samples'
version '1.0-SNAPSHOT'
dependencies {
implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.2.0'
implementation 'com.owlike:genson:1.6'
implementation 'com.google.code.gson:gson:2.8.7'
implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.9'
implementation 'io.vertx:vertx-core:3.5.3'
testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
testImplementation 'org.assertj:assertj-core:3.11.1'
testImplementation 'org.mockito:mockito-core:2.+'
}
repositories {
maven {
url "https://hyperledger.jfrog.io/hyperledger/fabric-maven"
}
jcenter()
maven {
url 'https://jitpack.io'
}
}
application {
mainClass = 'org.hyperledger.fabric.contract.ContractRouter'
}
checkstyle {
toolVersion '8.21'
configFile file("config/checkstyle/checkstyle.xml")
}
checkstyleMain {
source ='src/main/java'
}
checkstyleTest {
source ='src/test/java'
}
jacocoTestReport {
dependsOn test
}
jacocoTestCoverageVerification {
violationRules {
rule {
limit {
minimum = 0.9
}
}
}
finalizedBy jacocoTestReport
}
test {
useJUnitPlatform()
testLogging {
events "passed", "skipped", "failed"
}
}
mainClassName = 'org.hyperledger.fabric.contract.ContractRouter'
shadowJar {
baseName = 'chaincode'
version = null
@ -37,14 +85,5 @@ shadowJar {
}
}
test {
useJUnitPlatform()
testLogging {
events "passed", "skipped", "failed"
}
}
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation" << "-parameters"
}
check.dependsOn jacocoTestCoverageVerification
installDist.dependsOn check

171
asset-transfer-basic/chaincode-java/config/checkstyle/checkstyle.xml Normal file
View file

@ -0,0 +1,171 @@
<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
"-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
"https://checkstyle.org/dtds/configuration_1_3.dtd">
<!--
Checkstyle configuration that matches the Eclipse formatter
Checkstyle is very configurable. Be sure to read the documentation at
http://checkstyle.sourceforge.net (or in your downloaded distribution).
Most Checks are configurable, be sure to consult the documentation.
To completely disable a check, just comment it out or delete it from the file.
Finally, it is worth reading the documentation.
-->
<module name="Checker">
<!--
If you set the basedir property below, then all reported file
names will be relative to the specified directory. See
https://checkstyle.org/5.x/config.html#Checker
<property name="basedir" value="${basedir}"/>
-->
<property name="fileExtensions" value="java, properties, xml"/>
<module name="SuppressionFilter">
<property name="file" value="${config_loc}/suppressions.xml"/>
<property name="optional" value="false"/>
</module>
<!-- Excludes all 'module-info.java' files -->
<!-- See https://checkstyle.org/config_filefilters.html -->
<module name="BeforeExecutionExclusionFileFilter">
<property name="fileNamePattern" value="module\-info\.java$"/>
</module>
<!-- Checks that a package-info.java file exists for each package. -->
<!-- See http://checkstyle.sourceforge.net/config_javadoc.html#JavadocPackage -->
<!-- <module name="JavadocPackage"/> -->
<!-- Checks whether files end with a new line. -->
<!-- See http://checkstyle.sourceforge.net/config_misc.html#NewlineAtEndOfFile -->
<module name="NewlineAtEndOfFile"/>
<!-- Checks that property files contain the same keys. -->
<!-- See http://checkstyle.sourceforge.net/config_misc.html#Translation -->
<module name="Translation"/>
<!-- Checks for Size Violations. -->
<!-- See http://checkstyle.sourceforge.net/config_sizes.html -->
<module name="FileLength"/>
<!-- Checks for whitespace -->
<!-- See http://checkstyle.sourceforge.net/config_whitespace.html -->
<module name="FileTabCharacter"/>
<!-- Miscellaneous other checks. -->
<!-- See http://checkstyle.sourceforge.net/config_misc.html -->
<module name="RegexpSingleline">
<property name="format" value="\s+$"/>
<property name="minimum" value="0"/>
<property name="maximum" value="0"/>
<property name="message" value="Line has trailing spaces."/>
</module>
<!-- Checks for Headers -->
<!-- See http://checkstyle.sourceforge.net/config_header.html -->
<!-- <module name="Header"> -->
<!-- <property name="headerFile" value="${checkstyle.header.file}"/> -->
<!-- <property name="fileExtensions" value="java"/> -->
<!-- </module> -->
<module name="TreeWalker">
<!-- Checks for Javadoc comments. -->
<!-- See http://checkstyle.sourceforge.net/config_javadoc.html -->
<!-- <module name="JavadocMethod"/> -->
<!-- <module name="JavadocType"/> -->
<!-- <module name="JavadocVariable"/> -->
<!-- <module name="JavadocStyle"/> -->
<!-- <module name="MissingJavadocMethod"/> -->
<!-- Checks for Naming Conventions. -->
<!-- See http://checkstyle.sourceforge.net/config_naming.html -->
<module name="ConstantName"/>
<module name="LocalFinalVariableName"/>
<module name="LocalVariableName"/>
<module name="PackageName"/>
<module name="StaticVariableName"/>
<module name="TypeName"/>
<!-- Checks for imports -->
<!-- See http://checkstyle.sourceforge.net/config_import.html -->
<module name="AvoidStarImport"/>
<module name="IllegalImport"/> <!-- defaults to sun.* packages -->
<module name="RedundantImport"/>
<module name="UnusedImports">
<property name="processJavadoc" value="false"/>
</module>
<!-- Checks for Size Violations. -->
<!-- See http://checkstyle.sourceforge.net/config_sizes.html -->
<module name="MethodLength"/>
<module name="ParameterNumber"/>
<!-- Checks for whitespace -->
<!-- See http://checkstyle.sourceforge.net/config_whitespace.html -->
<module name="EmptyForIteratorPad"/>
<module name="GenericWhitespace"/>
<module name="MethodParamPad"/>
<module name="NoWhitespaceAfter"/>
<module name="NoWhitespaceBefore"/>
<module name="OperatorWrap"/>
<module name="ParenPad"/>
<module name="TypecastParenPad"/>
<module name="WhitespaceAfter"/>
<module name="WhitespaceAround"/>
<!-- Modifier Checks -->
<!-- See http://checkstyle.sourceforge.net/config_modifiers.html -->
<module name="ModifierOrder"/>
<module name="RedundantModifier"/>
<!-- Checks for blocks. You know, those {}'s -->
<!-- See http://checkstyle.sourceforge.net/config_blocks.html -->
<module name="AvoidNestedBlocks"/>
<module name="EmptyBlock"/>
<module name="LeftCurly"/>
<module name="NeedBraces"/>
<module name="RightCurly"/>
<!-- Checks for common coding problems -->
<!-- See http://checkstyle.sourceforge.net/config_coding.html -->
<module name="EmptyStatement"/>
<module name="EqualsHashCode"/>
<module name="HiddenField">
<property name="ignoreConstructorParameter" value="true"/>
</module>
<module name="IllegalInstantiation"/>
<module name="InnerAssignment"/>
<module name="MissingSwitchDefault"/>
<module name="MultipleVariableDeclarations"/>
<module name="SimplifyBooleanExpression"/>
<module name="SimplifyBooleanReturn"/>
<!-- Checks for class design -->
<!-- See http://checkstyle.sourceforge.net/config_design.html -->
<module name="DesignForExtension"/>
<module name="FinalClass"/>
<module name="HideUtilityClassConstructor"/>
<module name="InterfaceIsType"/>
<module name="VisibilityModifier">
<property name="allowPublicFinalFields" value="true"/>
</module>
<!-- Miscellaneous other checks. -->
<!-- See http://checkstyle.sourceforge.net/config_misc.html -->
<module name="ArrayTypeStyle"/>
<module name="FinalParameters"/>
<module name="TodoComment"/>
<module name="UpperEll"/>
</module>
</module>

9
asset-transfer-basic/chaincode-java/config/checkstyle/suppressions.xml Normal file
View file

@ -0,0 +1,9 @@
<?xml version="1.0"?>
<!DOCTYPE suppressions PUBLIC
"-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
"https://checkstyle.org/dtds/suppressions_1_2.dtd">
<suppressions>
<suppress files="ChaincodeTest.java" checks="ParameterNumber" />
</suppressions>

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asset-transfer-basic/chaincode-java/gradle/wrapper/gradle-wrapper.jar vendored
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2
asset-transfer-basic/chaincode-java/gradle/wrapper/gradle-wrapper.properties vendored
View file

@ -1,5 +1,5 @@
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

22
asset-transfer-basic/chaincode-java/gradlew vendored
View file

@ -1,5 +1,21 @@
#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
@ -28,7 +44,7 @@ APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
@ -109,8 +125,8 @@ if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`

18
asset-transfer-basic/chaincode-java/gradlew.bat vendored
View file

@ -1,3 +1,19 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@ -14,7 +30,7 @@ set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome

2
asset-transfer-basic/chaincode-java/settings.gradle
View file

@ -1,5 +1,5 @@
/*
* SPDX-License-Identifier: Apache-2.0
*/
rootProject.name = 'java'
rootProject.name = 'basic'

1
asset-transfer-basic/chaincode-java/src/main/java/org/hyperledger/fabric/samples/assettransfer/Asset.java
View file

@ -91,4 +91,3 @@ public final class Asset {
+ color + ", size=" + size + ", owner=" + owner + ", appraisedValue=" + appraisedValue + "]";
}
}

50
asset-transfer-basic/chaincode-java/src/main/java/org/hyperledger/fabric/samples/assettransfer/AssetTransfer.java
View file

@ -6,6 +6,12 @@ package org.hyperledger.fabric.samples.assettransfer;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeMap;
import java.util.Map;
import java.util.HashMap;
import com.fasterxml.jackson.core.JsonProcessingException;
import java.io.IOException;
import org.hyperledger.fabric.contract.Context;
import org.hyperledger.fabric.contract.ContractInterface;
@ -19,7 +25,10 @@ import org.hyperledger.fabric.shim.ChaincodeException;
import org.hyperledger.fabric.shim.ChaincodeStub;
import org.hyperledger.fabric.shim.ledger.KeyValue;
import org.hyperledger.fabric.shim.ledger.QueryResultsIterator;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.owlike.genson.Genson;
@Contract(
@ -38,8 +47,8 @@ import com.owlike.genson.Genson;
@Default
public final class AssetTransfer implements ContractInterface {
//Genson library is a good tool for achieving JSON determinsm as it produces consistent JSON in alphabetic oreder.
private final Genson genson = new Genson();
private ObjectMapper om = new ObjectMapper().configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);;
private enum AssetTransferErrors {
ASSET_NOT_FOUND,
@ -52,7 +61,7 @@ public final class AssetTransfer implements ContractInterface {
* @param ctx the transaction context
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public void InitLedger(final Context ctx) {
public void InitLedger(final Context ctx) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
CreateAsset(ctx, "asset1", "blue", 5, "Tomoko", 300);
@ -77,7 +86,7 @@ public final class AssetTransfer implements ContractInterface {
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset CreateAsset(final Context ctx, final String assetID, final String color, final int size,
final String owner, final int appraisedValue) {
final String owner, final int appraisedValue) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
if (AssetExists(ctx, assetID)) {
@ -87,9 +96,10 @@ public final class AssetTransfer implements ContractInterface {
}
Asset asset = new Asset(assetID, color, size, owner, appraisedValue);
//Genson order automatically the JSON string alphabetically
String assetJSON = genson.serialize(asset);
stub.putStringState(assetID, assetJSON);
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(asset);
stub.putStringState(assetID, sortedJson);
return asset;
}
@ -102,7 +112,7 @@ public final class AssetTransfer implements ContractInterface {
* @return the asset found on the ledger if there was one
*/
@Transaction(intent = Transaction.TYPE.EVALUATE)
public Asset ReadAsset(final Context ctx, final String assetID) {
public Asset ReadAsset(final Context ctx, final String assetID) throws JsonProcessingException,IOException{
ChaincodeStub stub = ctx.getStub();
String assetJSON = stub.getStringState(assetID);
@ -129,7 +139,7 @@ public final class AssetTransfer implements ContractInterface {
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset UpdateAsset(final Context ctx, final String assetID, final String color, final int size,
final String owner, final int appraisedValue) {
final String owner, final int appraisedValue) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
if (!AssetExists(ctx, assetID)) {
@ -139,9 +149,10 @@ public final class AssetTransfer implements ContractInterface {
}
Asset newAsset = new Asset(assetID, color, size, owner, appraisedValue);
//Genson order automatically the JSON string alphabetically
String newAssetJSON = genson.serialize(newAsset);
stub.putStringState(assetID, newAssetJSON);
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(newAsset);
stub.putStringState(assetID, sortedJson);
return newAsset;
}
@ -189,7 +200,7 @@ public final class AssetTransfer implements ContractInterface {
* @return the updated asset
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset TransferAsset(final Context ctx, final String assetID, final String newOwner) {
public Asset TransferAsset(final Context ctx, final String assetID, final String newOwner) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
String assetJSON = stub.getStringState(assetID);
@ -199,12 +210,13 @@ public final class AssetTransfer implements ContractInterface {
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_NOT_FOUND.toString());
}
//Asset asset = gson.fromJson(assetJSON, Asset.class);
Asset asset = genson.deserialize(assetJSON, Asset.class);
Asset newAsset = new Asset(asset.getAssetID(), asset.getColor(), asset.getSize(), newOwner, asset.getAppraisedValue());
//Genson order automatically the JSON string alphabetically
String newAssetJSON = genson.serialize(newAsset);
stub.putStringState(assetID, newAssetJSON);
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(newAsset);
stub.putStringState(assetID, sortedJson);
return newAsset;
}
@ -216,7 +228,7 @@ public final class AssetTransfer implements ContractInterface {
* @return array of assets found on the ledger
*/
@Transaction(intent = Transaction.TYPE.EVALUATE)
public String GetAllAssets(final Context ctx) {
public String GetAllAssets(final Context ctx) throws JsonProcessingException,IOException{
ChaincodeStub stub = ctx.getStub();
List<Asset> queryResults = new ArrayList<Asset>();
@ -229,12 +241,12 @@ public final class AssetTransfer implements ContractInterface {
for (KeyValue result: results) {
Asset asset = genson.deserialize(result.getStringValue(), Asset.class);
System.out.println(asset);
queryResults.add(asset);
System.out.println(asset.toString());
}
//Set pretty printing of json
final String response = genson.serialize(queryResults);
return response;
}
}

0
asset-transfer-basic/chaincode-java/.fabricignore → asset-transfer-basic/java/.fabricignore
View file

0
asset-transfer-basic/chaincode-java/.gitignore → asset-transfer-basic/java/.gitignore vendored
View file

52
asset-transfer-basic/java/build.gradle Normal file
View file

@ -0,0 +1,52 @@
/*
* SPDX-License-Identifier: Apache-2.0
*/
plugins {
id 'com.github.johnrengelman.shadow' version '5.2.0'
id 'java'
}
version '0.0.1'
sourceCompatibility = 1.8
repositories {
mavenLocal()
mavenCentral()
maven {
url 'https://jitpack.io'
}
}
dependencies {
implementation 'org.hyperledger.fabric-chaincode-java:fabric-chaincode-shim:2.2.0'
implementation 'com.owlike:genson:1.6'
implementation 'com.google.code.gson:gson:2.8.7'
implementation 'com.fasterxml.jackson.core:jackson-databind:2.8.9'
implementation 'io.vertx:vertx-core:3.5.3'
testImplementation 'org.junit.jupiter:junit-jupiter:5.4.2'
testImplementation 'org.assertj:assertj-core:3.11.1'
testImplementation 'org.mockito:mockito-core:2.+'
}
shadowJar {
baseName = 'chaincode'
version = null
classifier = null
manifest {
attributes 'Main-Class': 'org.hyperledger.fabric.contract.ContractRouter'
}
}
test {
useJUnitPlatform()
testLogging {
events "passed", "skipped", "failed"
}
}
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation" << "-parameters"
}

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asset-transfer-basic/java/gradle/wrapper/gradle-wrapper.jar vendored Normal file
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5
asset-transfer-basic/java/gradle/wrapper/gradle-wrapper.properties vendored Normal file
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@ -0,0 +1,5 @@
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

172
asset-transfer-basic/java/gradlew vendored Executable file
View file

@ -0,0 +1,172 @@
#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

84
asset-transfer-basic/java/gradlew.bat vendored Normal file
View file

@ -0,0 +1,84 @@
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

5
asset-transfer-basic/java/settings.gradle Normal file
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@ -0,0 +1,5 @@
/*
* SPDX-License-Identifier: Apache-2.0
*/
rootProject.name = 'java'

94
asset-transfer-basic/java/src/main/java/org/example/Asset.java Normal file
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@ -0,0 +1,94 @@
/*
* SPDX-License-Identifier: Apache-2.0
*/
package org.hyperledger.fabric.samples.assettransfer;
import java.util.Objects;
import org.hyperledger.fabric.contract.annotation.DataType;
import org.hyperledger.fabric.contract.annotation.Property;
import com.owlike.genson.annotation.JsonProperty;
@DataType()
public final class Asset {
@Property()
private final String assetID;
@Property()
private final String color;
@Property()
private final int size;
@Property()
private final String owner;
@Property()
private final int appraisedValue;
public String getAssetID() {
return assetID;
}
public String getColor() {
return color;
}
public int getSize() {
return size;
}
public String getOwner() {
return owner;
}
public int getAppraisedValue() {
return appraisedValue;
}
public Asset(@JsonProperty("assetID") final String assetID, @JsonProperty("color") final String color,
@JsonProperty("size") final int size, @JsonProperty("owner") final String owner,
@JsonProperty("appraisedValue") final int appraisedValue) {
this.assetID = assetID;
this.color = color;
this.size = size;
this.owner = owner;
this.appraisedValue = appraisedValue;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if ((obj == null) || (getClass() != obj.getClass())) {
return false;
}
Asset other = (Asset) obj;
return Objects.deepEquals(
new String[] {getAssetID(), getColor(), getOwner()},
new String[] {other.getAssetID(), other.getColor(), other.getOwner()})
&&
Objects.deepEquals(
new int[] {getSize(), getAppraisedValue()},
new int[] {other.getSize(), other.getAppraisedValue()});
}
@Override
public int hashCode() {
return Objects.hash(getAssetID(), getColor(), getSize(), getOwner(), getAppraisedValue());
}
@Override
public String toString() {
return this.getClass().getSimpleName() + "@" + Integer.toHexString(hashCode()) + " [assetID=" + assetID + ", color="
+ color + ", size=" + size + ", owner=" + owner + ", appraisedValue=" + appraisedValue + "]";
}
}

252
asset-transfer-basic/java/src/main/java/org/example/AssetTransfer.java Normal file
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/*
* SPDX-License-Identifier: Apache-2.0
*/
package org.hyperledger.fabric.samples.assettransfer;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeMap;
import java.util.Map;
import java.util.HashMap;
import com.fasterxml.jackson.core.JsonProcessingException;
import java.io.IOException;
import org.hyperledger.fabric.contract.Context;
import org.hyperledger.fabric.contract.ContractInterface;
import org.hyperledger.fabric.contract.annotation.Contact;
import org.hyperledger.fabric.contract.annotation.Contract;
import org.hyperledger.fabric.contract.annotation.Default;
import org.hyperledger.fabric.contract.annotation.Info;
import org.hyperledger.fabric.contract.annotation.License;
import org.hyperledger.fabric.contract.annotation.Transaction;
import org.hyperledger.fabric.shim.ChaincodeException;
import org.hyperledger.fabric.shim.ChaincodeStub;
import org.hyperledger.fabric.shim.ledger.KeyValue;
import org.hyperledger.fabric.shim.ledger.QueryResultsIterator;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.owlike.genson.Genson;
@Contract(
name = "basic",
info = @Info(
title = "Asset Transfer",
description = "The hyperlegendary asset transfer",
version = "0.0.1-SNAPSHOT",
license = @License(
name = "Apache 2.0 License",
url = "http://www.apache.org/licenses/LICENSE-2.0.html"),
contact = @Contact(
email = "a.transfer@example.com",
name = "Adrian Transfer",
url = "https://hyperledger.example.com")))
@Default
public final class AssetTransfer implements ContractInterface {
private final Genson genson = new Genson();
private ObjectMapper om = new ObjectMapper().configure(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS, true);;
private enum AssetTransferErrors {
ASSET_NOT_FOUND,
ASSET_ALREADY_EXISTS
}
/**
* Creates some initial assets on the ledger.
*
* @param ctx the transaction context
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public void InitLedger(final Context ctx) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
CreateAsset(ctx, "asset1", "blue", 5, "Tomoko", 300);
CreateAsset(ctx, "asset2", "red", 5, "Brad", 400);
CreateAsset(ctx, "asset3", "green", 10, "Jin Soo", 500);
CreateAsset(ctx, "asset4", "yellow", 10, "Max", 600);
CreateAsset(ctx, "asset5", "black", 15, "Adrian", 700);
CreateAsset(ctx, "asset6", "white", 15, "Michel", 700);
}
/**
* Creates a new asset on the ledger.
*
* @param ctx the transaction context
* @param assetID the ID of the new asset
* @param color the color of the new asset
* @param size the size for the new asset
* @param owner the owner of the new asset
* @param appraisedValue the appraisedValue of the new asset
* @return the created asset
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset CreateAsset(final Context ctx, final String assetID, final String color, final int size,
final String owner, final int appraisedValue) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
if (AssetExists(ctx, assetID)) {
String errorMessage = String.format("Asset %s already exists", assetID);
System.out.println(errorMessage);
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_ALREADY_EXISTS.toString());
}
Asset asset = new Asset(assetID, color, size, owner, appraisedValue);
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(asset);
stub.putStringState(assetID, sortedJson);
return asset;
}
/**
* Retrieves an asset with the specified ID from the ledger.
*
* @param ctx the transaction context
* @param assetID the ID of the asset
* @return the asset found on the ledger if there was one
*/
@Transaction(intent = Transaction.TYPE.EVALUATE)
public Asset ReadAsset(final Context ctx, final String assetID) throws JsonProcessingException,IOException{
ChaincodeStub stub = ctx.getStub();
String assetJSON = stub.getStringState(assetID);
if (assetJSON == null || assetJSON.isEmpty()) {
String errorMessage = String.format("Asset %s does not exist", assetID);
System.out.println(errorMessage);
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_NOT_FOUND.toString());
}
Asset asset = genson.deserialize(assetJSON, Asset.class);
return asset;
}
/**
* Updates the properties of an asset on the ledger.
*
* @param ctx the transaction context
* @param assetID the ID of the asset being updated
* @param color the color of the asset being updated
* @param size the size of the asset being updated
* @param owner the owner of the asset being updated
* @param appraisedValue the appraisedValue of the asset being updated
* @return the transferred asset
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset UpdateAsset(final Context ctx, final String assetID, final String color, final int size,
final String owner, final int appraisedValue) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
if (!AssetExists(ctx, assetID)) {
String errorMessage = String.format("Asset %s does not exist", assetID);
System.out.println(errorMessage);
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_NOT_FOUND.toString());
}
Asset newAsset = new Asset(assetID, color, size, owner, appraisedValue);
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(newAsset);
stub.putStringState(assetID, sortedJson);
return newAsset;
}
/**
* Deletes asset on the ledger.
*
* @param ctx the transaction context
* @param assetID the ID of the asset being deleted
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public void DeleteAsset(final Context ctx, final String assetID) {
ChaincodeStub stub = ctx.getStub();
if (!AssetExists(ctx, assetID)) {
String errorMessage = String.format("Asset %s does not exist", assetID);
System.out.println(errorMessage);
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_NOT_FOUND.toString());
}
stub.delState(assetID);
}
/**
* Checks the existence of the asset on the ledger
*
* @param ctx the transaction context
* @param assetID the ID of the asset
* @return boolean indicating the existence of the asset
*/
@Transaction(intent = Transaction.TYPE.EVALUATE)
public boolean AssetExists(final Context ctx, final String assetID) {
ChaincodeStub stub = ctx.getStub();
String assetJSON = stub.getStringState(assetID);
return (assetJSON != null && !assetJSON.isEmpty());
}
/**
* Changes the owner of a asset on the ledger.
*
* @param ctx the transaction context
* @param assetID the ID of the asset being transferred
* @param newOwner the new owner
* @return the updated asset
*/
@Transaction(intent = Transaction.TYPE.SUBMIT)
public Asset TransferAsset(final Context ctx, final String assetID, final String newOwner) throws JsonProcessingException{
ChaincodeStub stub = ctx.getStub();
String assetJSON = stub.getStringState(assetID);
if (assetJSON == null || assetJSON.isEmpty()) {
String errorMessage = String.format("Asset %s does not exist", assetID);
System.out.println(errorMessage);
throw new ChaincodeException(errorMessage, AssetTransferErrors.ASSET_NOT_FOUND.toString());
}
//Asset asset = gson.fromJson(assetJSON, Asset.class);
Asset asset = genson.deserialize(assetJSON, Asset.class);
Asset newAsset = new Asset(asset.getAssetID(), asset.getColor(), asset.getSize(), newOwner, asset.getAppraisedValue());
//Use a Jackson ObjectMapper to conver the Asset into string, sort it alphabetically and serialize it into a json string
String sortedJson = om.writeValueAsString(newAsset);
stub.putStringState(assetID, sortedJson);
return newAsset;
}
/**
* Retrieves all assets from the ledger.
*
* @param ctx the transaction context
* @return array of assets found on the ledger
*/
@Transaction(intent = Transaction.TYPE.EVALUATE)
public String GetAllAssets(final Context ctx) throws JsonProcessingException,IOException{
ChaincodeStub stub = ctx.getStub();
List<Asset> queryResults = new ArrayList<Asset>();
// To retrieve all assets from the ledger use getStateByRange with empty startKey & endKey.
// Giving empty startKey & endKey is interpreted as all the keys from beginning to end.
// As another example, if you use startKey = 'asset0', endKey = 'asset9' ,
// then getStateByRange will retrieve asset with keys between asset0 (inclusive) and asset9 (exclusive) in lexical order.
QueryResultsIterator<KeyValue> results = stub.getStateByRange("", "");
for (KeyValue result: results) {
Asset asset = genson.deserialize(result.getStringValue(), Asset.class);
System.out.println(asset);
queryResults.add(asset);
}
//Set pretty printing of json
final String response = genson.serialize(queryResults);
return response;
}
}

0
asset-transfer-basic/chaincode-java/transaction_data/my-asset-transactions.txdata → asset-transfer-basic/java/transaction_data/my-asset-transactions.txdata
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12
asset-transfer-events/chaincode-java/.classpath
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@ -1,12 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

13
asset-transfer-events/chaincode-java/.settings/org.eclipse.buildship.core.prefs
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@ -1,13 +0,0 @@
arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
jvm.arguments=
offline.mode=false
override.workspace.settings=true
show.console.view=true
show.executions.view=true

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asset-transfer-events/chaincode-java/bin/main/org/hyperledger/fabric/samples/events/AssetTransfer$AssetTransferErrors.class
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asset-transfer-events/chaincode-typescript/dist/asset-contract.d.ts vendored
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@ -1,8 +0,0 @@
import { Context, Contract } from 'fabric-contract-api';
export declare class AssetTransferEvents extends Contract {
CreateAsset(ctx: Context, id: string, color: string, size: number, owner: string, appraisedValue: number): Promise<void>;
TransferAsset(ctx: any, id: any, newOwner: any): Promise<any>;
ReadAsset(ctx: Context, id: string): Promise<String>;
UpdateAsset(ctx: Context, id: string, color: string, size: number, owner: string, appraisedValue: number): Promise<void>;
DeleteAsset(ctx: Context, assetId: string): Promise<void>;
}

144
asset-transfer-events/chaincode-typescript/dist/asset-contract.js vendored
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@ -1,144 +0,0 @@
"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssetTransferEvents = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
async function savePrivateData(ctx, assetKey) {
const clientOrg = ctx.clientIdentity.getMSPID();
const peerOrg = ctx.stub.getMspID();
const collection = '_implicit_org_' + peerOrg;
if (clientOrg === peerOrg) {
const transientMap = ctx.stub.getTransient();
if (transientMap) {
const properties = transientMap.get('asset_properties');
if (properties) {
await ctx.stub.putPrivateData(collection, assetKey, properties);
}
}
}
}
async function removePrivateData(ctx, assetKey) {
const clientOrg = ctx.clientIdentity.getMSPID();
const peerOrg = ctx.stub.getMspID();
const collection = '_implicit_org_' + peerOrg;
if (clientOrg === peerOrg) {
const propertiesBuffer = await ctx.stub.getPrivateData(collection, assetKey);
if (propertiesBuffer && propertiesBuffer.length > 0) {
await ctx.stub.deletePrivateData(collection, assetKey);
}
}
}
async function addPrivateData(ctx, assetKey, asset) {
const clientOrg = ctx.clientIdentity.getMSPID();
const peerOrg = ctx.stub.getMspID();
const collection = '_implicit_org_' + peerOrg;
if (clientOrg === peerOrg) {
const propertiesBuffer = await ctx.stub.getPrivateData(collection, assetKey);
if (propertiesBuffer && propertiesBuffer.length > 0) {
const properties = JSON.parse(propertiesBuffer.toString());
asset.asset_properties = properties;
}
}
}
async function readState(ctx, id) {
const assetBuffer = await ctx.stub.getState(id); // get the asset from chaincode state
if (!assetBuffer || assetBuffer.length === 0) {
throw new Error(`The asset ${id} does not exist`);
}
const assetString = assetBuffer.toString();
const asset = JSON.parse(assetString);
return asset;
}
let AssetTransferEvents = class AssetTransferEvents extends fabric_contract_api_1.Contract {
// CreateAsset issues a new asset to the world state with given details.
async CreateAsset(ctx, id, color, size, owner, appraisedValue) {
const asset = {
ID: id,
Color: color,
Size: size,
Owner: owner,
AppraisedValue: appraisedValue,
};
await savePrivateData(ctx, id);
const assetBuffer = Buffer.from(JSON.stringify(asset));
ctx.stub.setEvent('CreateAsset', assetBuffer);
return ctx.stub.putState(id, assetBuffer);
}
// TransferAsset updates the owner field of an asset with the given id in
// the world state.
async TransferAsset(ctx, id, newOwner) {
const asset = await readState(ctx, id);
asset.Owner = newOwner;
const assetBuffer = Buffer.from(JSON.stringify(asset));
await savePrivateData(ctx, id);
ctx.stub.setEvent('TransferAsset', assetBuffer);
return ctx.stub.putState(id, assetBuffer);
}
// ReadAsset returns the asset stored in the world state with given id.
async ReadAsset(ctx, id) {
const asset = await readState(ctx, id);
await addPrivateData(ctx, asset.ID, asset);
return JSON.stringify(asset);
}
// UpdateAsset updates an existing asset in the world state with provided parameters.
async UpdateAsset(ctx, id, color, size, owner, appraisedValue) {
const asset = await readState(ctx, id);
asset.Color = color;
asset.Size = size;
asset.Owner = owner;
asset.AppraisedValue = appraisedValue;
const assetBuffer = Buffer.from(JSON.stringify(asset));
await savePrivateData(ctx, id);
ctx.stub.setEvent('UpdateAsset', assetBuffer);
return ctx.stub.putState(id, assetBuffer);
}
// DeleteAsset deletes an given asset from the world state.
async DeleteAsset(ctx, assetId) {
const asset = await readState(ctx, assetId);
const assetBuffer = Buffer.from(JSON.stringify(asset));
await removePrivateData(ctx, assetId);
ctx.stub.setEvent('DeleteAsset', assetBuffer);
return ctx.stub.deleteState(assetId);
}
};
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, String, Number]),
__metadata("design:returntype", Promise)
], AssetTransferEvents.prototype, "CreateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('String'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferEvents.prototype, "ReadAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, String, Number]),
__metadata("design:returntype", Promise)
], AssetTransferEvents.prototype, "UpdateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetTransferEvents.prototype, "DeleteAsset", null);
AssetTransferEvents = __decorate([
fabric_contract_api_1.Info({ title: 'AssetTransferEvents', description: 'Smart Contract for trading assets and generate events' })
], AssetTransferEvents);
exports.AssetTransferEvents = AssetTransferEvents;
//# sourceMappingURL=asset-contract.js.map

1
asset-transfer-events/chaincode-typescript/dist/asset-contract.js.map vendored
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@ -1 +0,0 @@
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asset-transfer-events/chaincode-typescript/dist/asset.d.ts vendored
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@ -1,8 +0,0 @@
export declare class Asset {
docType?: string;
ID: string;
Color: string;
Size: number;
Owner: string;
AppraisedValue: number;
}

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@ -1,47 +0,0 @@
"use strict";
/*
SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Asset = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
let Asset = class Asset {
};
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "docType", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "ID", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Color", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "Size", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Owner", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "AppraisedValue", void 0);
Asset = __decorate([
fabric_contract_api_1.Object()
], Asset);
exports.Asset = Asset;
//# sourceMappingURL=asset.js.map

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export { AssetTransferEvents } from './asset-contract';
export declare const contracts: any[];

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"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.contracts = void 0;
const asset_contract_1 = require("./asset-contract");
var asset_contract_2 = require("./asset-contract");
Object.defineProperty(exports, "AssetTransferEvents", { enumerable: true, get: function () { return asset_contract_2.AssetTransferEvents; } });
exports.contracts = [asset_contract_1.AssetTransferEvents];
//# sourceMappingURL=index.js.map

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{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";AAAA;;GAEG;;;AAEH,qDAAuD;AACvD,mDAAuD;AAA9C,qHAAA,mBAAmB,OAAA;AAEf,QAAA,SAAS,GAAU,CAAE,oCAAmB,CAAE,CAAC"}

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asset-transfer-ledger-queries/application-java/.classpath
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/main" path="src/main/resources">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

13
asset-transfer-ledger-queries/application-java/.settings/org.eclipse.buildship.core.prefs
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@ -1,13 +0,0 @@
arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
jvm.arguments=
offline.mode=false
override.workspace.settings=true
show.console.view=true
show.executions.view=true

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asset-transfer-ledger-queries/application-java/bin/main/log4j.properties
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# initialize root logger with level ERROR for stdout and fout
log4j.rootLogger=ERROR,stdout,fout
# set the log level for these components
log4j.logger.com.endeca=INFO
log4j.logger.com.endeca.itl.web.metrics=INFO
# add a ConsoleAppender to the logger stdout to write to the console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
# use a simple message format
log4j.appender.stdout.layout.ConversionPattern=%m%n
# add a FileAppender to the logger fout
log4j.appender.fout=org.apache.log4j.FileAppender
# create a log file
log4j.appender.fout.File=crawl.log
log4j.appender.fout.layout=org.apache.log4j.PatternLayout
# use a more detailed message pattern
log4j.appender.fout.layout.ConversionPattern=%p\t%d{ISO8601}\t%r\t%c\t[%t]\t%m%n

19
asset-transfer-ledger-queries/chaincode-java/.classpath
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@ -1,19 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/java">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

13
asset-transfer-ledger-queries/chaincode-java/.settings/org.eclipse.buildship.core.prefs
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@ -1,13 +0,0 @@
arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
jvm.arguments=
offline.mode=false
override.workspace.settings=true
show.console.view=true
show.executions.view=true

4
asset-transfer-ledger-queries/chaincode-java/.settings/org.eclipse.jdt.core.prefs
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@ -1,4 +0,0 @@
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
org.eclipse.jdt.core.compiler.compliance=1.8
org.eclipse.jdt.core.compiler.source=1.8

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asset-transfer-ledger-queries/chaincode-typescript/dist/asset-contract.d.ts vendored
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import { Context, Contract } from 'fabric-contract-api';
import { Iterators } from 'fabric-shim-api';
export declare class AssetContract extends Contract {
CreateAsset(ctx: Context, assetID: string, color: string, size: number, owner: string, appraisedValue: number): Promise<void>;
ReadAsset(ctx: Context, id: string): Promise<string>;
DeleteAsset(ctx: Context, id: string): Promise<void>;
TransferAsset(ctx: Context, assetName: string, newOwner: string): Promise<void>;
GetAssetsByRange(ctx: Context, startKey: string, endKey: string): Promise<string>;
TransferAssetByColor(ctx: Context, color: string, newOwner: string): Promise<void>;
QueryAssetsByOwner(ctx: Context, owner: string): Promise<string>;
QueryAssets(ctx: Context, queryString: string): Promise<string>;
GetQueryResultForQueryString(ctx: Context, queryString: string): Promise<string>;
GetAssetsByRangeWithPagination(ctx: Context, startKey: string, endKey: string, pageSize: number, bookmark: string): Promise<string>;
QueryAssetsWithPagination(ctx: Context, queryString: string, pageSize: number, bookmark: string): Promise<string>;
GetAssetHistory(ctx: Context, assetName: string): Promise<string>;
AssetExists(ctx: Context, assetName: string): Promise<boolean>;
GetAllResults(iterator: Iterators.CommonIterator<any>, isHistory: boolean): Promise<any[]>;
InitLedger(ctx: Context): Promise<void>;
}

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@ -1,452 +0,0 @@
"use strict";
/*
* Copyright IBM Corp. All Rights Reserved.
*
* SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssetContract = void 0;
// ====CHAINCODE EXECUTION SAMPLES (CLI) ==================
// ==== Invoke assets ====
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["CreateAsset","asset1","blue","35","Tom","100"]}'
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["CreateAsset","asset2","red","50","Tom","150"]}'
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["CreateAsset","asset3","blue","70","Tom","200"]}'
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["TransferAsset","asset2","jerry"]}'
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["TransferAssetsBasedOnColor","blue","jerry"]}'
// peer chaincode invoke -C CHANNEL_NAME -n asset_transfer -c '{"Args":["DeleteAsset","asset1"]}'
// ==== Query assets ====
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["ReadAsset","asset1"]}'
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["GetAssetsByRange","asset1","asset3"]}'
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["GetAssetHistory","asset1"]}'
// Rich Query (Only supported if CouchDB is used as state database):
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["QueryAssetsByOwner","Tom"]}' output issue
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["QueryAssets","{\"selector\":{\"owner\":\"Tom\"}}"]}'
// Rich Query with Pagination (Only supported if CouchDB is used as state database):
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["QueryAssetsWithPagination","{\"selector\":{\"owner\":\"Tom\"}}","3",""]}'
// INDEXES TO SUPPORT COUCHDB RICH QUERIES
//
// Indexes in CouchDB are required in order to make JSON queries efficient and are required for
// any JSON query with a sort. Indexes may be packaged alongside
// chaincode in a META-INF/statedb/couchdb/indexes directory. Each index must be defined in its own
// text file with extension *.json with the index definition formatted in JSON following the
// CouchDB index JSON syntax as documented at:
// http://docs.couchdb.org/en/2.3.1/api/database/find.html#db-index
//
// This asset transfer ledger example chaincode demonstrates a packaged
// index which you can find in META-INF/statedb/couchdb/indexes/indexOwner.json.
//
// If you have access to the your peer's CouchDB state database in a development environment,
// you may want to iteratively test various indexes in support of your chaincode queries. You
// can use the CouchDB Fauxton interface or a command line curl utility to create and update
// indexes. Then once you finalize an index, include the index definition alongside your
// chaincode in the META-INF/statedb/couchdb/indexes directory, for packaging and deployment
// to managed environments.
//
// In the examples below you can find index definitions that support asset transfer ledger
// chaincode queries, along with the syntax that you can use in development environments
// to create the indexes in the CouchDB Fauxton interface or a curl command line utility.
//
// Index for docType, owner.
//
// Example curl command line to define index in the CouchDB channel_chaincode database
// curl -i -X POST -H "Content-Type: application/json" -d "{\"index\":{\"fields\":[\"docType\",\"owner\"]},\"name\":\"indexOwner\",\"ddoc\":\"indexOwnerDoc\",\"type\":\"json\"}" http://hostname:port/myc1_assets/_index
//
// Index for docType, owner, size (descending order).
//
// Example curl command line to define index in the CouchDB channel_chaincode database
// curl -i -X POST -H "Content-Type: application/json" -d "{\"index\":{\"fields\":[{\"size\":\"desc\"},{\"docType\":\"desc\"},{\"owner\":\"desc\"}]},\"ddoc\":\"indexSizeSortDoc\", \"name\":\"indexSizeSortDesc\",\"type\":\"json\"}" http://hostname:port/myc1_assets/_index
// Rich Query with index design doc and index name specified (Only supported if CouchDB is used as state database):
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["QueryAssets","{\"selector\":{\"docType\":\"asset\",\"owner\":\"Tom\"}, \"use_index\":[\"_design/indexOwnerDoc\", \"indexOwner\"]}"]}'
// Rich Query with index design doc specified only (Only supported if CouchDB is used as state database):
// peer chaincode query -C CHANNEL_NAME -n asset_transfer -c '{"Args":["QueryAssets","{\"selector\":{\"docType\":{\"$eq\":\"asset\"},\"owner\":{\"$eq\":\"Tom\"},\"size\":{\"$gt\":0}},\"fields\":[\"docType\",\"owner\",\"size\"],\"sort\":[{\"size\":\"desc\"}],\"use_index\":\"_design/indexSizeSortDoc\"}"]}'
const fabric_contract_api_1 = require("fabric-contract-api");
let AssetContract = class AssetContract extends fabric_contract_api_1.Contract {
// CreateAsset - create a new asset, store into chaincode state
async CreateAsset(ctx, assetID, color, size, owner, appraisedValue) {
const exists = await this.AssetExists(ctx, assetID);
if (exists) {
throw new Error(`The asset ${assetID} already exists`);
}
// ==== Create asset object and marshal to JSON ====
const asset = {
docType: 'asset',
ID: assetID,
Color: color,
Size: size,
Owner: owner,
AppraisedValue: appraisedValue,
};
// === Save asset to state ===
await ctx.stub.putState(assetID, Buffer.from(JSON.stringify(asset)));
let indexName = 'color~name';
let colorNameIndexKey = await ctx.stub.createCompositeKey(indexName, [asset.Color, asset.ID]);
// Save index entry to state. Only the key name is needed, no need to store a duplicate copy of the marble.
// Note - passing a 'nil' value will effectively delete the key from state, therefore we pass null character as value
await ctx.stub.putState(colorNameIndexKey, Buffer.from('\u0000'));
}
// ReadAsset returns the asset stored in the world state with given id.
async ReadAsset(ctx, id) {
const assetJSON = await ctx.stub.getState(id); // get the asset from chaincode state
if (!assetJSON || assetJSON.length === 0) {
throw new Error(`Asset ${id} does not exist`);
}
return assetJSON.toString();
}
// delete - remove a asset key/value pair from state
async DeleteAsset(ctx, id) {
if (!id) {
throw new Error('Asset name must not be empty');
}
let exists = await this.AssetExists(ctx, id);
if (!exists) {
throw new Error(`Asset ${id} does not exist`);
}
// to maintain the color~name index, we need to read the asset first and get its color
let valAsbytes = await ctx.stub.getState(id); // get the asset from chaincode state
let jsonResp = {};
if (!valAsbytes) {
jsonResp.error = `Asset does not exist: ${id}`;
throw new Error(jsonResp);
}
let assetJSON;
try {
assetJSON = JSON.parse(valAsbytes.toString());
}
catch (err) {
jsonResp = {};
jsonResp.error = `Failed to decode JSON of: ${id}`;
throw new Error(jsonResp);
}
await ctx.stub.deleteState(id); //remove the asset from chaincode state
// delete the index
let indexName = 'color~name';
let colorNameIndexKey = ctx.stub.createCompositeKey(indexName, [assetJSON.color, assetJSON.assetID]);
if (!colorNameIndexKey) {
throw new Error(' Failed to create the createCompositeKey');
}
// Delete index entry to state.
await ctx.stub.deleteState(colorNameIndexKey);
}
// TransferAsset transfers a asset by setting a new owner name on the asset
async TransferAsset(ctx, assetName, newOwner) {
let assetAsBytes = await ctx.stub.getState(assetName);
if (!assetAsBytes || !assetAsBytes.toString()) {
throw new Error(`Asset ${assetName} does not exist`);
}
let assetToTransfer = {};
try {
assetToTransfer = JSON.parse(assetAsBytes.toString()); //unmarshal
}
catch (err) {
let jsonResp = {};
jsonResp.error = 'Failed to decode JSON of: ' + assetName;
throw new Error(jsonResp);
}
assetToTransfer.owner = newOwner; //change the owner
let assetJSONasBytes = Buffer.from(JSON.stringify(assetToTransfer));
await ctx.stub.putState(assetName, assetJSONasBytes); //rewrite the asset
}
// GetAssetsByRange performs a range query based on the start and end keys provided.
// Read-only function results are not typically submitted to ordering. If the read-only
// results are submitted to ordering, or if the query is used in an update transaction
// and submitted to ordering, then the committing peers will re-execute to guarantee that
// result sets are stable between endorsement time and commit time. The transaction is
// invalidated by the committing peers if the result set has changed between endorsement
// time and commit time.
// Therefore, range queries are a safe option for performing update transactions based on query results.
async GetAssetsByRange(ctx, startKey, endKey) {
let resultsIterator = await ctx.stub.getStateByRange(startKey, endKey);
let results = await this.GetAllResults(resultsIterator, false);
return JSON.stringify(results);
}
// TransferAssetBasedOnColor will transfer assets of a given color to a certain new owner.
// Uses a GetStateByPartialCompositeKey (range query) against color~name 'index'.
// Committing peers will re-execute range queries to guarantee that result sets are stable
// between endorsement time and commit time. The transaction is invalidated by the
// committing peers if the result set has changed between endorsement time and commit time.
// Therefore, range queries are a safe option for performing update transactions based on query results.
// Example: GetStateByPartialCompositeKey/RangeQuery
async TransferAssetByColor(ctx, color, newOwner) {
// Query the color~name index by color
// This will execute a key range query on all keys starting with 'color'
let coloredAssetResultsIterator = await ctx.stub.getStateByPartialCompositeKey('color~name', [color]);
// Iterate through result set and for each asset found, transfer to newOwner
let responseRange = await coloredAssetResultsIterator.next();
while (!responseRange.done) {
if (!responseRange || !responseRange.value || !responseRange.value.key) {
return;
}
let objectType;
let attributes;
({ objectType, attributes } = await ctx.stub.splitCompositeKey(responseRange.value.key));
console.log(objectType);
let returnedAssetName = attributes[1];
// Now call the transfer function for the found asset.
// Re-use the same function that is used to transfer individual assets
await this.TransferAsset(ctx, returnedAssetName, newOwner);
responseRange = await coloredAssetResultsIterator.next();
}
}
// QueryAssetsByOwner queries for assets based on a passed in owner.
// This is an example of a parameterized query where the query logic is baked into the chaincode,
// and accepting a single query parameter (owner).
// Only available on state databases that support rich query (e.g. CouchDB)
// Example: Parameterized rich query
async QueryAssetsByOwner(ctx, owner) {
let queryString = {};
queryString.selector = {};
queryString.selector.docType = 'asset';
queryString.selector.owner = owner;
return await this.GetQueryResultForQueryString(ctx, JSON.stringify(queryString)); //shim.success(queryResults);
}
// Example: Ad hoc rich query
// QueryAssets uses a query string to perform a query for assets.
// Query string matching state database syntax is passed in and executed as is.
// Supports ad hoc queries that can be defined at runtime by the client.
// If this is not desired, follow the QueryAssetsForOwner example for parameterized queries.
// Only available on state databases that support rich query (e.g. CouchDB)
async QueryAssets(ctx, queryString) {
return await this.GetQueryResultForQueryString(ctx, queryString);
}
// GetQueryResultForQueryString executes the passed in query string.
// Result set is built and returned as a byte array containing the JSON results.
async GetQueryResultForQueryString(ctx, queryString) {
let resultsIterator = await ctx.stub.getQueryResult(queryString);
let results = await this.GetAllResults(resultsIterator, false);
return JSON.stringify(results);
}
// Example: Pagination with Range Query
// GetAssetsByRangeWithPagination performs a range query based on the start & end key,
// page size and a bookmark.
// The number of fetched records will be equal to or lesser than the page size.
// Paginated range queries are only valid for read only transactions.
async GetAssetsByRangeWithPagination(ctx, startKey, endKey, pageSize, bookmark) {
const { iterator, metadata } = await ctx.stub.getStateByRangeWithPagination(startKey, endKey, pageSize, bookmark);
const records = await this.GetAllResults(iterator, false);
var results = {
Records: records,
RecordsCount: metadata.fetchedRecordsCount,
Bookmark: metadata.bookmark,
};
return JSON.stringify(results);
}
// Example: Pagination with Ad hoc Rich Query
// QueryAssetsWithPagination uses a query string, page size and a bookmark to perform a query
// for assets. Query string matching state database syntax is passed in and executed as is.
// The number of fetched records would be equal to or lesser than the specified page size.
// Supports ad hoc queries that can be defined at runtime by the client.
// If this is not desired, follow the QueryAssetsForOwner example for parameterized queries.
// Only available on state databases that support rich query (e.g. CouchDB)
// Paginated queries are only valid for read only transactions.
async QueryAssetsWithPagination(ctx, queryString, pageSize, bookmark) {
const { iterator, metadata } = await ctx.stub.getQueryResultWithPagination(queryString, pageSize, bookmark);
const records = await this.GetAllResults(iterator, false);
var results = {
Records: records,
RecordsCount: metadata.fetchedRecordsCount,
Bookmark: metadata.bookmark,
};
return JSON.stringify(results);
}
// GetAssetHistory returns the chain of custody for an asset since issuance.
async GetAssetHistory(ctx, assetName) {
let resultsIterator = await ctx.stub.getHistoryForKey(assetName);
let results = await this.GetAllResults(resultsIterator, true);
return JSON.stringify(results);
}
// AssetExists returns true when asset with given ID exists in world state
async AssetExists(ctx, assetName) {
// ==== Check if asset already exists ====
let assetState = await ctx.stub.getState(assetName);
return assetState && assetState.length > 0;
}
// This is JavaScript so without Funcation Decorators, all functions are assumed
// to be transaction functions
//
// For internal functions... prefix them with _
async GetAllResults(iterator, isHistory) {
let allResults = [];
let res = await iterator.next();
while (!res.done) {
if (res.value && res.value.value.toString()) {
let jsonRes = {};
console.log(res.value.value.toString('utf8'));
if (isHistory) {
jsonRes.TxId = res.value.txId;
jsonRes.Timestamp = res.value.timestamp;
try {
jsonRes.Value = JSON.parse(res.value.value.toString('utf8'));
}
catch (err) {
console.log(err);
jsonRes.Value = res.value.value.toString('utf8');
}
}
else {
jsonRes.Key = res.value.key;
try {
jsonRes.Record = JSON.parse(res.value.value.toString('utf8'));
}
catch (err) {
console.log(err);
jsonRes.Record = res.value.value.toString('utf8');
}
}
allResults.push(jsonRes);
}
res = await iterator.next();
}
return allResults;
}
// InitLedger creates sample assets in the ledger
async InitLedger(ctx) {
const assets = [
{
ID: 'asset1',
Color: 'blue',
Size: 5,
Owner: 'Tomoko',
AppraisedValue: 300,
},
{
ID: 'asset2',
Color: 'red',
Size: 5,
Owner: 'Brad',
AppraisedValue: 400,
},
{
ID: 'asset3',
Color: 'green',
Size: 10,
Owner: 'Jin Soo',
AppraisedValue: 500,
},
{
ID: 'asset4',
Color: 'yellow',
Size: 10,
Owner: 'Max',
AppraisedValue: 600,
},
{
ID: 'asset5',
Color: 'black',
Size: 15,
Owner: 'Adriana',
AppraisedValue: 700,
},
{
ID: 'asset6',
Color: 'white',
Size: 15,
Owner: 'Michel',
AppraisedValue: 800,
},
];
for (const asset of assets) {
asset.docType = 'asset';
await ctx.stub.putState(asset.ID, Buffer.from(JSON.stringify(asset)));
console.info(`Asset ${asset.ID} initialized`);
}
}
};
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, String, Number]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "CreateAsset", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "ReadAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "DeleteAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "TransferAsset", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "GetAssetsByRange", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "TransferAssetByColor", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "QueryAssetsByOwner", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "QueryAssets", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "GetQueryResultForQueryString", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, String, Number, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "GetAssetsByRangeWithPagination", null);
__decorate([
fabric_contract_api_1.Transaction(false),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String, Number, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "QueryAssetsWithPagination", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "GetAssetHistory", null);
__decorate([
fabric_contract_api_1.Transaction(false),
fabric_contract_api_1.Returns('boolean'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context, String]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "AssetExists", null);
__decorate([
fabric_contract_api_1.Transaction(),
__metadata("design:type", Function),
__metadata("design:paramtypes", [fabric_contract_api_1.Context]),
__metadata("design:returntype", Promise)
], AssetContract.prototype, "InitLedger", null);
AssetContract = __decorate([
fabric_contract_api_1.Info({ title: 'AssetContract', description: 'My Smart Contract' })
], AssetContract);
exports.AssetContract = AssetContract;
//# sourceMappingURL=asset-contract.js.map

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export declare class Asset {
docType?: string;
ID: string;
Color: string;
Size: number;
Owner: string;
AppraisedValue: number;
}

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"use strict";
/*
SPDX-License-Identifier: Apache-2.0
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Asset = void 0;
const fabric_contract_api_1 = require("fabric-contract-api");
let Asset = class Asset {
};
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "docType", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "ID", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Color", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "Size", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", String)
], Asset.prototype, "Owner", void 0);
__decorate([
fabric_contract_api_1.Property(),
__metadata("design:type", Number)
], Asset.prototype, "AppraisedValue", void 0);
Asset = __decorate([
fabric_contract_api_1.Object()
], Asset);
exports.Asset = Asset;
//# sourceMappingURL=asset.js.map

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{"version":3,"file":"asset.js","sourceRoot":"","sources":["../src/asset.ts"],"names":[],"mappings":";AAAA;;EAEE;;;;;;;;;;;;AAEF,6DAAqD;AAGrD,IAAa,KAAK,GAAlB,MAAa,KAAK;CAkBjB,CAAA;AAhBG;IADC,8BAAQ,EAAE;;sCACa;AAGxB;IADC,8BAAQ,EAAE;;iCACO;AAGlB;IADC,8BAAQ,EAAE;;oCACU;AAGrB;IADC,8BAAQ,EAAE;;mCACS;AAGpB;IADC,8BAAQ,EAAE;;oCACU;AAGrB;IADC,8BAAQ,EAAE;;6CACmB;AAjBrB,KAAK;IADjB,4BAAM,EAAE;GACI,KAAK,CAkBjB;AAlBY,sBAAK"}

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export { AssetContract } from './asset-contract';
export declare const contracts: any[];

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"use strict";
/*
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.contracts = void 0;
const asset_contract_1 = require("./asset-contract");
var asset_contract_2 = require("./asset-contract");
Object.defineProperty(exports, "AssetContract", { enumerable: true, get: function () { return asset_contract_2.AssetContract; } });
exports.contracts = [asset_contract_1.AssetContract];
//# sourceMappingURL=index.js.map

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{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";AAAA;;GAEG;;;AAEH,qDAAiD;AACjD,mDAAiD;AAAxC,+GAAA,aAAa,OAAA;AAET,QAAA,SAAS,GAAU,CAAE,8BAAa,CAAE,CAAC"}

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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/java">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/resources">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

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arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=/Library/Java/JavaVirtualMachines/adoptopenjdk-11.jdk/Contents/Home
jvm.arguments=
offline.mode=false
override.workspace.settings=true
show.console.view=true
show.executions.view=true

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mock-maker-inline

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#
# SPDX-License-Identifier: Apache-2.0
#
root = true
[*]
indent_style = space
indent_size = 4
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
[*.md]
trim_trailing_whitespace = false

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#
# SPDX-License-Identifier: Apache-2.0
#
coverage

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asset-transfer-private-data/chaincode-javascript/.eslintrc.js
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/*
* SPDX-License-Identifier: Apache-2.0
*/
module.exports = {
env: {
node: true,
mocha: true
},
parserOptions: {
ecmaVersion: 8,
sourceType: 'script'
},
extends: "eslint:recommended",
rules: {
indent: ['error', 4],
quotes: ['error', 'single'],
semi: ['error', 'always'],
'no-unused-vars': ['error', { args: 'none' }],
'no-console': 'off',
curly: 'error',
eqeqeq: 'error',
'no-throw-literal': 'error',
strict: 'error',
'no-var': 'error',
'dot-notation': 'error',
'no-tabs': 'error',
'no-trailing-spaces': 'error',
'no-use-before-define': 'error',
'no-useless-call': 'error',
'no-with': 'error',
'operator-linebreak': 'error',
yoda: 'error',
'quote-props': ['error', 'as-needed']
}
};

77
asset-transfer-private-data/chaincode-javascript/.gitignore vendored
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#
# SPDX-License-Identifier: Apache-2.0
#
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# nyc test coverage
.nyc_output
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules/
jspm_packages/
# TypeScript v1 declaration files
typings/
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variables file
.env
# parcel-bundler cache (https://parceljs.org/)
.cache
# next.js build output
.next
# nuxt.js build output
.nuxt
# vuepress build output
.vuepress/dist
# Serverless directories
.serverless

20
asset-transfer-private-data/chaincode-javascript/.npmignore
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#
# SPDX-License-Identifier: Apache-2.0
#
# don't package the connection details
local_fabric
# don't package the tests
test
functionalTests
# don't package config files
.vscode
.editorconfig
.eslintignore
.eslintrc.js
.gitignore
.npmignore
.nyc_output
coverage

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