lisk-framework
Version:
Lisk blockchain application platform
102 lines • 5.27 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateMaxHeightCertified = exports.updateMaxHeightPrecommitted = exports.updateMaxHeightPrevoted = exports.updatePrevotesPrecommits = exports.getHeightNotPrevoted = exports.insertBlockBFTInfo = void 0;
const utils_1 = require("./utils");
const insertBlockBFTInfo = (bftVotes, header, maxLength) => {
bftVotes.blockBFTInfos = [(0, utils_1.getBlockBFTProperties)(header), ...bftVotes.blockBFTInfos].slice(0, maxLength);
};
exports.insertBlockBFTInfo = insertBlockBFTInfo;
const getHeightNotPrevoted = (bftVotes) => {
const [newBlockBFTInfo] = bftVotes.blockBFTInfos;
const { height: currentHeight } = newBlockBFTInfo;
let heightPreviousBlock = newBlockBFTInfo.maxHeightGenerated;
while (currentHeight - heightPreviousBlock < bftVotes.blockBFTInfos.length) {
const blockBFTInfo = bftVotes.blockBFTInfos[currentHeight - heightPreviousBlock];
if (!blockBFTInfo.generatorAddress.equals(newBlockBFTInfo.generatorAddress) ||
blockBFTInfo.maxHeightGenerated >= heightPreviousBlock) {
return heightPreviousBlock;
}
heightPreviousBlock = blockBFTInfo.maxHeightGenerated;
}
return bftVotes.blockBFTInfos[bftVotes.blockBFTInfos.length - 1].height - 1;
};
exports.getHeightNotPrevoted = getHeightNotPrevoted;
const updatePrevotesPrecommits = async (bftVotes, paramsCache) => {
if (bftVotes.blockBFTInfos.length === 0) {
return;
}
const [newBlockBFTInfo] = bftVotes.blockBFTInfos;
if (newBlockBFTInfo.maxHeightGenerated >= newBlockBFTInfo.height) {
return;
}
const validatorInfo = bftVotes.activeValidatorsVoteInfo.find(v => v.address.equals(newBlockBFTInfo.generatorAddress));
if (!validatorInfo) {
return;
}
const heightNotPrevoted = (0, exports.getHeightNotPrevoted)(bftVotes);
const minPrecommitHeight = Math.max(validatorInfo.minActiveHeight, heightNotPrevoted + 1, validatorInfo.largestHeightPrecommit + 1);
let hasPrecommitted = false;
for (const blockBFTInfo of bftVotes.blockBFTInfos) {
if (blockBFTInfo.height < minPrecommitHeight) {
break;
}
const params = await paramsCache.getParameters(blockBFTInfo.height);
if (blockBFTInfo.prevoteWeight >= params.prevoteThreshold) {
const bftValidator = params.validators.find(v => v.address.equals(newBlockBFTInfo.generatorAddress));
if (!bftValidator) {
throw new Error(`Invalid state. Validator ${newBlockBFTInfo.generatorAddress.toString('hex')} must be in the BFT parameters at height ${newBlockBFTInfo.height}`);
}
blockBFTInfo.precommitWeight += bftValidator.bftWeight;
if (!hasPrecommitted) {
const activeValidatorIndex = bftVotes.activeValidatorsVoteInfo.findIndex(v => v.address.equals(newBlockBFTInfo.generatorAddress));
if (activeValidatorIndex > -1) {
bftVotes.activeValidatorsVoteInfo[activeValidatorIndex].largestHeightPrecommit =
blockBFTInfo.height;
}
hasPrecommitted = true;
}
}
}
const minPrevoteHeight = Math.max(newBlockBFTInfo.maxHeightGenerated + 1, validatorInfo.minActiveHeight);
for (const blockBFTInfo of bftVotes.blockBFTInfos) {
if (blockBFTInfo.height < minPrevoteHeight) {
break;
}
const params = await paramsCache.getParameters(blockBFTInfo.height);
const bftValidator = params.validators.find(v => v.address.equals(newBlockBFTInfo.generatorAddress));
if (!bftValidator) {
throw new Error(`Invalid state. Validator ${newBlockBFTInfo.generatorAddress.toString('hex')} must be in the BFT parameters at height ${newBlockBFTInfo.height}`);
}
blockBFTInfo.prevoteWeight += bftValidator.bftWeight;
}
};
exports.updatePrevotesPrecommits = updatePrevotesPrecommits;
const updateMaxHeightPrevoted = async (bftVotes, paramsCache) => {
for (const blockBFTInfo of bftVotes.blockBFTInfos) {
const params = await paramsCache.getParameters(blockBFTInfo.height);
if (blockBFTInfo.prevoteWeight >= params.prevoteThreshold) {
bftVotes.maxHeightPrevoted = blockBFTInfo.height;
return;
}
}
};
exports.updateMaxHeightPrevoted = updateMaxHeightPrevoted;
const updateMaxHeightPrecommitted = async (bftVotes, paramsCache) => {
for (const blockBFTInfo of bftVotes.blockBFTInfos) {
const params = await paramsCache.getParameters(blockBFTInfo.height);
if (blockBFTInfo.precommitWeight >= params.precommitThreshold) {
bftVotes.maxHeightPrecommitted = blockBFTInfo.height;
return;
}
}
};
exports.updateMaxHeightPrecommitted = updateMaxHeightPrecommitted;
const updateMaxHeightCertified = (bftVotes, header) => {
if (header.aggregateCommit.aggregationBits.length === 0 &&
header.aggregateCommit.certificateSignature.length === 0) {
return;
}
bftVotes.maxHeightCertified = header.aggregateCommit.height;
};
exports.updateMaxHeightCertified = updateMaxHeightCertified;
//# sourceMappingURL=bft_votes.js.map