mirror of https://codeberg.org/pzp/pzp-db.git
23 lines
651 B
JavaScript
23 lines
651 B
JavaScript
const { stripIdentity } = require('./strip')
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function isEmptyObject(obj) {
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for (const _key in obj) {
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return false
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}
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return true
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}
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function isFeedRoot(msg, id = 0, findDomain = 0) {
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const { dataHash, dataSize, identity, identityTips, tangles, domain } = msg.metadata
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if (dataHash !== null) return false
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if (dataSize !== 0) return false
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if (id === 0 && !identity) return false
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if (id !== 0 && identity !== stripIdentity(id)) return false
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if (identityTips !== null) return false
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if (!isEmptyObject(tangles)) return false
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if (findDomain !== 0 && domain !== findDomain) return false
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return true
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}
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module.exports = isFeedRoot
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