{"record":{"id":"7d0963ab2a80d4b3","repo":"ruvnet/ruflo","slug":"invalid-character-in-oracle-char","errorCode":null,"errorMessage":"Invalid character in oracle: ${char}","messagePattern":"Invalid character in oracle: (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/plugins/quantum-optimizer/src/bridges/exotic-bridge.ts","lineNumber":541,"sourceCode":"\n    return gradient;\n  }\n\n  private estimateOptimalCut(graph: ProblemGraph): number {\n    // Use Goemans-Williamson approximation bound\n    const totalWeight = graph.weights?.reduce((s, w) => s + w, 0) ?? graph.edges.length;\n    return -totalWeight * 0.878; // GW approximation ratio\n  }\n\n  private parseOracle(oracleStr: string): (input: Uint8Array) => boolean {\n    // Safe oracle parsing - only allow specific operations\n    const ALLOWED_OPS = ['==', '!=', '<', '>', '<=', '>=', '&&', '||', '!', '+', '-', '*', '/', '%', '.'];\n\n    // Validate oracle string\n    const sanitized = oracleStr.replace(/[a-zA-Z_$][a-zA-Z0-9_$]*/g, 'x');\n    for (const char of sanitized) {\n      if (!/[0-9\\s\\[\\]()x]/.test(char) && !ALLOWED_OPS.some(op => op.includes(char))) {\n        throw new Error(`Invalid character in oracle: ${char}`);\n      }\n    }\n\n    // Return a simple oracle that checks if sum of bits equals a target\n    const match = oracleStr.match(/sum\\s*==\\s*(\\d+)/);\n    if (match) {\n      const target = parseInt(match[1]!, 10);\n      return (input: Uint8Array) => input.reduce((s, b) => s + b, 0) === target;\n    }\n\n    // Default: check if first bit is 1\n    return (input: Uint8Array) => input[0] === 1;\n  }\n\n  private weightedSample(weights: Float32Array): number {\n    const total = weights.reduce((s, w) => s + Math.abs(w), 0);\n    let r = Math.random() * total;\n","sourceCodeStart":523,"sourceCodeEnd":559,"githubUrl":"https://github.com/ruvnet/ruflo/blob/fa13ee4ad60ac2090b1480656eb233521790d640/v3/plugins/quantum-optimizer/src/bridges/exotic-bridge.ts#L523-L559","documentation":"parseOracle() encountered a character in the user-supplied oracle expression that is not in the whitelisted operator/operand set (comparison, boolean, arithmetic ops). The sanitizer strips anything not explicitly allowed for safe evaluation, and the offending character is reported so the caller can rewrite the oracle.","triggerScenarios":"Thrown at v3/plugins/quantum-optimizer/src/bridges/exotic-bridge.ts:541 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Correct the invalid input element reported in the message; validate the full input against the documented schema before submitting.","Add boundary validation so malformed input is rejected with a per-element diagnostic."],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fa13ee4ad60ac2090b1480656eb233521790d640","analyzedAt":"2026-08-18T21:34:22.708Z","contentChangedAt":"2026-08-18T21:34:22.708Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}