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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/@polkadot/api-derive/cjs/democracy
Просмотр файла: util.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.compareRationals = compareRationals;
exports.calcPassing = calcPassing;
exports.calcVotes = calcVotes;
exports.getStatus = getStatus;
exports.getImageHashBounded = getImageHashBounded;
exports.getImageHash = getImageHash;
const util_1 = require("@polkadot/util");
function isOldInfo(info) {
return !!info.proposalHash;
}
function isCurrentStatus(status) {
return !!status.tally;
}
function compareRationals(n1, d1, n2, d2) {
while (true) {
const q1 = n1.div(d1);
const q2 = n2.div(d2);
if (q1.lt(q2)) {
return true;
}
else if (q2.lt(q1)) {
return false;
}
const r1 = n1.mod(d1);
const r2 = n2.mod(d2);
if (r2.isZero()) {
return false;
}
else if (r1.isZero()) {
return true;
}
n1 = d2;
n2 = d1;
d1 = r2;
d2 = r1;
}
}
function calcPassingOther(threshold, sqrtElectorate, { votedAye, votedNay, votedTotal }) {
const sqrtVoters = (0, util_1.bnSqrt)(votedTotal);
return sqrtVoters.isZero()
? false
: threshold.isSuperMajorityApprove
? compareRationals(votedNay, sqrtVoters, votedAye, sqrtElectorate)
: compareRationals(votedNay, sqrtElectorate, votedAye, sqrtVoters);
}
function calcPassing(threshold, sqrtElectorate, state) {
return threshold.isSimpleMajority
? state.votedAye.gt(state.votedNay)
: calcPassingOther(threshold, sqrtElectorate, state);
}
function calcVotesPrev(votesFor) {
return votesFor.reduce((state, derived) => {
const { balance, vote } = derived;
const isDefault = vote.conviction.index === 0;
const counted = balance
.muln(isDefault ? 1 : vote.conviction.index)
.divn(isDefault ? 10 : 1);
if (vote.isAye) {
state.allAye.push(derived);
state.voteCountAye++;
state.votedAye.iadd(counted);
}
else {
state.allNay.push(derived);
state.voteCountNay++;
state.votedNay.iadd(counted);
}
state.voteCount++;
state.votedTotal.iadd(counted);
return state;
}, { allAye: [], allNay: [], voteCount: 0, voteCountAye: 0, voteCountNay: 0, votedAye: new util_1.BN(0), votedNay: new util_1.BN(0), votedTotal: new util_1.BN(0) });
}
function calcVotesCurrent(tally, votes) {
const allAye = [];
const allNay = [];
votes.forEach((derived) => {
if (derived.vote.isAye) {
allAye.push(derived);
}
else {
allNay.push(derived);
}
});
return {
allAye,
allNay,
voteCount: allAye.length + allNay.length,
voteCountAye: allAye.length,
voteCountNay: allNay.length,
votedAye: tally.ayes,
votedNay: tally.nays,
votedTotal: tally.turnout
};
}
function calcVotes(sqrtElectorate, referendum, votes) {
const state = isCurrentStatus(referendum.status)
? calcVotesCurrent(referendum.status.tally, votes)
: calcVotesPrev(votes);
return (0, util_1.objectSpread)({}, state, {
isPassing: calcPassing(referendum.status.threshold, sqrtElectorate, state),
votes
});
}
function getStatus(info) {
if (info.isNone) {
return null;
}
const unwrapped = info.unwrap();
return isOldInfo(unwrapped)
? unwrapped
: unwrapped.isOngoing
? unwrapped.asOngoing
// done, we don't include it here... only currently active
: null;
}
function getImageHashBounded(hash) {
return hash.isLegacy
? hash.asLegacy.hash_.toHex()
: hash.isLookup
? hash.asLookup.hash_.toHex()
// for inline, use the actual Bytes hash
: hash.isInline
? hash.asInline.hash.toHex()
: (0, util_1.isString)(hash)
? (0, util_1.isHex)(hash)
? hash
: (0, util_1.stringToHex)(hash)
: (0, util_1.isU8a)(hash)
? (0, util_1.u8aToHex)(hash)
: hash.toHex();
}
function getImageHash(status) {
return getImageHashBounded(status.proposal ||
status.proposalHash);
}
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