68 lines
2.1 KiB
JavaScript
68 lines
2.1 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 the 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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let 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_id': 2,
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'type': 'fulfillment',
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'bitmask': fulfillment.getBitmask(),
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'threshold': fulfillment.threshold,
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'subfulfillments': fulfillment.subconditions.map((subcondition) => {
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const subconditionJson = ccJsonify(subcondition.body);
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subconditionJson.details.weight = 1;
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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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if (fulfillment.getTypeId() === 4) {
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jsonBody.details.type_id = 4;
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jsonBody.details.bitmask = 32;
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if ('publicKey' in fulfillment) {
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jsonBody.details.signature = null;
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jsonBody.details.public_key = base58.encode(fulfillment.publicKey);
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jsonBody.details.type = 'fulfillment';
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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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