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Add Loading Indicators and Enhanced Error Handling to Demo.html #29

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Add Loading Indicators and Enhanced Error Handling to Demo.html #29

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68 changes: 45 additions & 23 deletions src/data/demo.html
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,21 @@
#inputs textarea, #inputs input {
width: 100%;
}
.loader {
display: none;
border: 3px solid #f3f3f3;
border-radius: 50%;
border-top: 3px solid #673ab7;
width: 20px;
height: 20px;
animation: spin 1s linear infinite;
margin: 10px auto;
}

@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
</head>
<body>
Expand All @@ -89,6 +104,8 @@ <h4>Proof</h4>
Generate Proof
</button>

<div id="proofLoader" class="loader"></div>

<div id="proof"></div>
<h4>Verify</h4>
<textarea
Expand All @@ -99,6 +116,8 @@ <h4>Verify</h4>
<textarea placeholder="Public signals..." id="publicSignals"></textarea>
<button onclick="verifyProof()" id="verifybutton">Verify Proof</button>

<div id="verifyLoader" class="loader"></div>

<div id="result"></div>

<h4>Audit</h4>
Expand Down Expand Up @@ -144,39 +163,42 @@ <h4>Audit</h4>
document.getElementById('noscript').style.display = 'none'

async function calculateProof() {
document.getElementById("proofbutton").disabled = true
document.getElementById("proofbutton").disabled = true;
document.getElementById("proofLoader").style.display = "block";
document.getElementById("proofData").value = "";
document.getElementById("publicSignals").value = "";

try {
const input_obj = {}
const input_obj = {};

for (let key in INPUT_JSON) {
if (Array.isArray(INPUT_JSON[key])) {
input_obj[key] = JSON.parse(
document.getElementById("input_" + key).value
)
const value = document.getElementById("input_" + key).value;
try {
input_obj[key] = JSON.parse(value);
} catch (e) {
throw new Error(`Invalid JSON format for input "${key}"`);
}
} else {
input_obj[key] = document.getElementById(
"input_" + key
).value
const value = document.getElementById("input_" + key).value;
if (!value) {
throw new Error(`Input "${key}" cannot be empty`);
}
input_obj[key] = value;
}
}
const prover =
VKEY_DATA.protocol === "groth16"
? snarkjs.groth16
: snarkjs.plonk
const { proof, publicSignals } = await prover.fullProve(
input_obj,
WASM_URL,
ZKEY_DATA
)

const prover = VKEY_DATA.protocol === "groth16" ? snarkjs.groth16 : snarkjs.plonk;
const { proof, publicSignals } = await prover.fullProve(input_obj, WASM_URL, ZKEY_DATA);

document.getElementById("proofData").value =
JSON.stringify(proof)
document.getElementById("publicSignals").value =
JSON.stringify(publicSignals)
document.getElementById("proofData").value = JSON.stringify(proof, null, 2);
document.getElementById("publicSignals").value = JSON.stringify(publicSignals, null, 2);
} catch (err) {
document.getElementById("proofData").value = err
document.getElementById("proofData").value = `Error: ${err.message}`;
} finally {
document.getElementById("proofLoader").style.display = "none";
document.getElementById("proofbutton").disabled = false;
}
document.getElementById("proofbutton").disabled = false
}

async function verifyProof() {
Expand Down