spee.ch/helpers/functions/getAllFreePublicClaims.js

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const isFreePublicClaim = require('./isFreePublicClaim.js');
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const lbryApi = require('../lbryApi.js');
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const logger = require('winston');
function filterForFreePublicClaims (claimsListArray) {
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logger.debug('filtering claims list for free, public claims');
if (!claimsListArray) {
return null;
}
const freePublicClaims = claimsListArray.filter(claim => {
if (!claim.value) {
return false;
}
return isFreePublicClaim(claim);
});
return freePublicClaims;
}
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function orderClaims (claimsListArray) {
logger.debug('ordering the free public claims');
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claimsListArray.sort((a, b) => {
if (a.amount === b.amount) {
return a.height < b.height;
} else {
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return a.amount < b.amount;
}
});
return claimsListArray;
}
module.exports = (claimName) => {
return new Promise((resolve, reject) => {
// make a call to the daemon to get the claims list
lbryApi
.getClaimsList(claimName)
.then(({ claims }) => {
logger.debug(`Number of claims: ${claims.length}`);
// return early if no claims were found
if (claims.length === 0) {
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logger.debug('exiting due to lack of claims');
resolve(null);
return;
}
// filter the claims to return only free, public claims
const freePublicClaims = filterForFreePublicClaims(claims);
// return early if no free, public claims were found
if (!freePublicClaims || freePublicClaims.length === 0) {
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logger.debug('exiting due to lack of free or public claims');
resolve(null);
return;
}
// order the claims
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const orderedPublicClaims = orderClaims(freePublicClaims);
// resolve the promise
resolve(orderedPublicClaims);
})
.catch(error => {
reject(error);
});
});
};