metaforecast/src/backend/platforms/foretold.ts
2022-03-29 18:10:28 +03:00

105 lines
2.9 KiB
TypeScript

/* Imports */
import axios from "axios";
import { calculateStars } from "../utils/stars";
import { Platform } from "./";
/* Definitions */
let graphQLendpoint = "https://api.foretold.io/graphql";
let highQualityCommunities = [
"0104d8e8-07e4-464b-8b32-74ef22b49f21",
"c47c6bc8-2c9b-4a83-9583-d1ed80a40fa2",
"cf663021-f87f-4632-ad82-962d889a2d39",
"47ff5c49-9c20-4f3d-bd57-1897c35cd42d",
"b2412a1d-0aa4-4e37-a12a-0aca9e440a96",
];
/* Support functions */
async function fetchAllCommunityQuestions(communityId) {
let response = await axios({
url: graphQLendpoint,
method: "POST",
headers: { "Content-Type": "application/json" },
data: JSON.stringify({
query: `
query {
measurables(
channelId: "${communityId}",
states: OPEN,
first: 500
){
total
edges{
node{
id
name
valueType
measurementCount
previousAggregate{
value{
percentage
}
}
}
}
}
}
`,
}),
})
.then((res) => res.data)
.then((res) => res.data.measurables.edges);
//console.log(response)
return response;
}
export const foretold: Platform = {
name: "foretold",
async fetcher() {
let results = [];
for (let community of highQualityCommunities) {
let questions = await fetchAllCommunityQuestions(community);
questions = questions.map((question) => question.node);
questions = questions.filter((question) => question.previousAggregate); // Questions without any predictions
questions.forEach((question) => {
let id = `foretold-${question.id}`;
let options = [];
if (question.valueType == "PERCENTAGE") {
let probability = question.previousAggregate.value.percentage;
options = [
{
name: "Yes",
probability: probability / 100,
type: "PROBABILITY",
},
{
name: "No",
probability: 1 - probability / 100,
type: "PROBABILITY",
},
];
}
let result = {
id: id,
title: question.name,
url: `https://www.foretold.io/c/${community}/m/${question.id}`,
platform: "Foretold",
description: "",
options: options,
timestamp: new Date().toISOString(),
qualityindicators: {
numforecasts: Math.floor(Number(question.measurementCount) / 2),
stars: calculateStars("Foretold", {}),
},
/*liquidity: liquidity.toFixed(2),
tradevolume: tradevolume.toFixed(2),
address: obj.address*/
};
// console.log(result)
results.push(result);
});
}
return results;
},
};