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Clean up Node Chaincode and Address Linting Issues

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Signed-off-by: Brett Logan <brett.t.logan@ibm.com>
This commit is contained in:
Brett Logan 2020-07-24 12:51:34 -04:00 committed by denyeart
parent e31ecf3165
commit 73a62a6780
1 changed files with 12 additions and 22 deletions
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34
asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js
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@ -56,10 +56,10 @@ class AssetTransfer extends Contract {
},
];
for (let i = 0; i < assets.length; i++) {
assets[i].docType = 'asset';
await ctx.stub.putState(assets[i].ID, Buffer.from(JSON.stringify(assets[i])));
console.info('Added <--> ', assets[i]);
for (const asset of assets) {
assets.docType = 'asset';
await ctx.stub.putState(assets.ID, Buffer.from(JSON.stringify(assets)));
console.info(`Asset ${asset.ID} initialized`);
}
}
@ -72,8 +72,7 @@ class AssetTransfer extends Contract {
Owner: owner,
AppraisedValue: appraisedValue,
};
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
return ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
}
// readAsset returns the asset stored in the world state with given id.
@ -82,7 +81,6 @@ class AssetTransfer extends Contract {
if (!assetJSON || assetJSON.length === 0) {
throw new Error(`The asset ${id} does not exist`);
}
return assetJSON.toString();
}
@ -93,15 +91,14 @@ class AssetTransfer extends Contract {
throw new Error(`The asset ${id} does not exist`);
}
// overwritting original asset with new asset
let updatedAsset = {
// overwriting original asset with new asset
const updatedAsset = {
ID: id,
Color: color,
Size: size,
Owner: owner,
AppraisedValue: appraisedValue,
};
return ctx.stub.putState(id, Buffer.from(JSON.stringify(updatedAsset)));
}
@ -111,34 +108,28 @@ class AssetTransfer extends Contract {
if (!exists) {
throw new Error(`The asset ${id} does not exist`);
}
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);
if (!assetJSON || assetJSON.length === 0) {
return false;
}
return true;
return assetJSON && assetJSON.length > 0;
}
// transferAsset updates the owner field of asset with given id in the world state.
async transferAsset(ctx, id, newOwner) {
let assetString = await this.readAsset(ctx, id);
let asset = JSON.parse(assetString);
const assetString = await this.readAsset(ctx, id);
const asset = JSON.parse(assetString);
asset.Owner = newOwner;
await ctx.stub.putState(id, Buffer.from(JSON.stringify(asset)));
return 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.
for await (const { key, value } of ctx.stub.getStateByRange("", "")) {
for (const { key, value } of ctx.stub.getStateByRange('', '')) {
const strValue = Buffer.from(value).toString('utf8');
let record;
try {
@ -149,7 +140,6 @@ class AssetTransfer extends Contract {
}
allResults.push({ Key: key, Record: record });
}
console.info(allResults);
return JSON.stringify(allResults);
}