@opendatalabs/vana-sdk/dist/protocol/scopes.js

A TypeScript library for interacting with Vana Network smart contracts.

import { z } from "zod";
const SEGMENT_RE = /^[a-z0-9][a-z0-9_]*$/;
const ScopeSchema = z.string().refine(
  (scope) => {
    const parts = scope.split(".");
    return parts.length >= 2 && parts.length <= 3 && parts.every((part) => SEGMENT_RE.test(part));
  },
  {
    message: "Scope must be {source}.{category}[.{subcategory}] with lowercase alphanumeric segments (may start with a letter or digit)"
  }
);
function parseScope(scope) {
  const validated = ScopeSchema.parse(scope);
  const parts = validated.split(".");
  return {
    source: parts[0],
    category: parts[1],
    subcategory: parts[2],
    raw: validated
  };
}
function scopeToPathSegments(scope) {
  const parsed = parseScope(scope);
  const segments = [parsed.source, parsed.category];
  if (parsed.subcategory) {
    segments.push(parsed.subcategory);
  }
  return segments;
}
function scopeMatchesPattern(requestedScope, grantPattern) {
  if (grantPattern === "*") return true;
  if (grantPattern.endsWith(".*")) {
    const prefix = grantPattern.slice(0, -1);
    return requestedScope.startsWith(prefix);
  }
  return requestedScope === grantPattern;
}
function scopeCoveredByGrant(requestedScope, grantedScopes) {
  return grantedScopes.some(
    (pattern) => scopeMatchesPattern(requestedScope, pattern)
  );
}
export {
  ScopeSchema,
  parseScope,
  scopeCoveredByGrant,
  scopeMatchesPattern,
  scopeToPathSegments
};
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