64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
const isFreePublicClaim = require('./isFreePublicClaim.js');
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const lbryApi = require('../libraries/lbryApi.js');
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function filterForFreePublicClaims (claimsListArray) {
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// console.log("claims list:", claimsListArray)
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if (!claimsListArray) {
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return null;
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}
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const freePublicClaims = claimsListArray.filter(claim => {
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if (!claim.value) {
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return false;
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}
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return isFreePublicClaim(claim);
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});
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return freePublicClaims;
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}
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function orderTopClaims (claimsListArray) {
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console.log('>> orderTopClaims');
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claimsListArray.sort(({ amountA, heightA }, { amountB, heightB }) => {
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if (amountA === amountB) {
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return heightA > heightB;
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} else {
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return amountA < amountB;
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}
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});
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return claimsListArray;
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}
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module.exports = claimName => {
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const deferred = new Promise((resolve, reject) => {
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// make a call to the daemon to get the claims list
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lbryApi
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.getClaimsList(claimName)
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.then(({ claims }) => {
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const claimsList = claims;
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console.log('>> Number of claims:', claimsList.length);
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// return early if no claims were found
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if (claimsList.length === 0) {
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reject('NO_CLAIMS');
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console.log('exiting due to lack of claims');
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return;
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}
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// filter the claims to return only free, public claims
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const freePublicClaims = filterForFreePublicClaims(claimsList);
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// return early if no free, public claims were found
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if (!freePublicClaims || freePublicClaims.length === 0) {
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reject('NO_FREE_PUBLIC_CLAIMS');
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console.log('exiting due to lack of free or public claims');
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return;
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}
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// order the claims
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const orderedPublicClaims = orderTopClaims(freePublicClaims);
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// resolve the promise
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resolve(orderedPublicClaims);
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})
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.catch(error => {
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console.log(">> 'claim_list' error");
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reject(error);
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});
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});
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return deferred;
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};
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