63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
import base58 from 'bs58'
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/**
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* @public
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* Serializes a crypto-condition class (Condition or Fulfillment) into a BigchainDB-compatible JSON
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* @param {cc.Fulfillment} fulfillment base58 encoded Ed25519 public key for recipient of the Transaction
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* @returns {object} Ed25519 Condition (that will need to wrapped in an Output)
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*/
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export default function ccJsonify(fulfillment) {
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let conditionUri
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if ('getConditionUri' in fulfillment) {
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conditionUri = fulfillment.getConditionUri()
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} else if ('serializeUri' in fulfillment) {
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conditionUri = fulfillment.serializeUri()
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}
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const jsonBody = {
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'details': {},
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'uri': conditionUri,
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}
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if (fulfillment.getTypeId() === 0) {
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jsonBody.details.type_id = 0
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jsonBody.details.bitmask = 3
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if ('preimage' in fulfillment) {
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jsonBody.details.preimage = fulfillment.preimage.toString()
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jsonBody.details.type = 'fulfillment'
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}
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}
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if (fulfillment.getTypeId() === 2) {
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return {
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'details': {
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'type': 'threshold-sha-256',
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'threshold': fulfillment.threshold,
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'subconditions': fulfillment.subconditions.map((subcondition) => {
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const subconditionJson = ccJsonify(subcondition.body)
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return subconditionJson.details
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})
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},
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'uri': conditionUri,
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}
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}
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if (fulfillment.getTypeId() === 4) {
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jsonBody.details.type = 'ed25519-sha-256'
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if ('publicKey' in fulfillment) {
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jsonBody.details.public_key = base58.encode(fulfillment.publicKey)
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}
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}
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if ('hash' in fulfillment) {
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jsonBody.details.hash = base58.encode(fulfillment.hash)
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jsonBody.details.max_fulfillment_length = fulfillment.maxFulfillmentLength
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jsonBody.details.type = 'condition'
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}
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return jsonBody
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}
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