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add function to get output out of witness #18

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add function to get output out of witness #18

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23 changes: 23 additions & 0 deletions c/tester.js
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Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,29 @@ class CTester {
return lines.join("\n");
}

// get output out of the witness
async getOutput(witness) {
const self = this;
if (!self.symbols) await self.loadSymbols();

let result = [];
for (let i = 0; true; i++) {
const tmp = self.symbols[`main.out[${i}]`];
if (tmp === undefined) {
break;
}
result.push(witness[tmp.varIdx].toString());
}

if(result.length == 0) {
assert(false, "No output found");
} else if(result.length == 1) {
return result[0];
} else {
return result;
}
}

async checkConstraints(witness) {
const self = this;
if (!self.constraints) await self.loadConstraints();
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