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Update CreateAsset txn in basic js and ts sample (#460)

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The Golang and Java sample chaincode returned an error when trying to create an asset which already exists

JavaScript and TypeScript samples should now do the same

Signed-off-by: James Taylor <jamest@uk.ibm.com>
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James Taylor 2021-07-16 19:10:12 +01:00 committed by GitHub
parent f38845ecab
commit f84754ea3b
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2 changed files with 10 additions and 0 deletions
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5
asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js
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@ -65,6 +65,11 @@ class AssetTransfer extends Contract {
// CreateAsset issues a new asset to the world state with given details. // CreateAsset issues a new asset to the world state with given details.
async CreateAsset(ctx, id, color, size, owner, appraisedValue) { async CreateAsset(ctx, id, color, size, owner, appraisedValue) {
const exists = await this.AssetExists(ctx, id);
if (exists) {
throw new Error(`The asset ${id} already exists`);
}
const asset = { const asset = {
ID: id, ID: id,
Color: color, Color: color,

5
asset-transfer-basic/chaincode-typescript/src/assetTransfer.ts
View file

@ -65,6 +65,11 @@ export class AssetTransferContract extends Contract {
// CreateAsset issues a new asset to the world state with given details. // CreateAsset issues a new asset to the world state with given details.
@Transaction() @Transaction()
public async CreateAsset(ctx: Context, id: string, color: string, size: number, owner: string, appraisedValue: number): Promise<void> { public async CreateAsset(ctx: Context, id: string, color: string, size: number, owner: string, appraisedValue: number): Promise<void> {
const exists = await this.AssetExists(ctx, id);
if (exists) {
throw new Error(`The asset ${id} already exists`);
}
const asset = { const asset = {
ID: id, ID: id,
Color: color, Color: color,