lisk-framework
Version:
Lisk blockchain application platform
58 lines • 2.88 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.computeValidatorsHash = exports.sortValidatorsByBLSKey = exports.sortValidatorsByAddress = exports.getBlockBFTProperties = exports.areDistinctHeadersContradicting = void 0;
const lisk_codec_1 = require("@liskhq/lisk-codec");
const lisk_cryptography_1 = require("@liskhq/lisk-cryptography");
const schemas_1 = require("./schemas");
const areDistinctHeadersContradicting = (b1, b2) => {
let earlierBlock = b1;
let laterBlock = b2;
const higherMaxHeightGenerated = earlierBlock.maxHeightGenerated > laterBlock.maxHeightGenerated;
const sameMaxHeightGenerated = earlierBlock.maxHeightGenerated === laterBlock.maxHeightGenerated;
const higherMaxHeightPrevoted = earlierBlock.maxHeightPrevoted > laterBlock.maxHeightPrevoted;
const sameMaxHeightPrevoted = earlierBlock.maxHeightPrevoted === laterBlock.maxHeightPrevoted;
const higherHeight = earlierBlock.height > laterBlock.height;
if (higherMaxHeightGenerated ||
(sameMaxHeightGenerated && higherMaxHeightPrevoted) ||
(sameMaxHeightGenerated && sameMaxHeightPrevoted && higherHeight)) {
[earlierBlock, laterBlock] = [laterBlock, earlierBlock];
}
if (!earlierBlock.generatorAddress.equals(laterBlock.generatorAddress)) {
return false;
}
if (earlierBlock.maxHeightPrevoted === laterBlock.maxHeightPrevoted &&
earlierBlock.height >= laterBlock.height) {
return true;
}
if (earlierBlock.height > laterBlock.maxHeightGenerated) {
return true;
}
if (earlierBlock.maxHeightPrevoted > laterBlock.maxHeightPrevoted) {
return true;
}
return false;
};
exports.areDistinctHeadersContradicting = areDistinctHeadersContradicting;
const getBlockBFTProperties = (header) => ({
generatorAddress: header.generatorAddress,
height: header.height,
maxHeightGenerated: header.maxHeightGenerated,
maxHeightPrevoted: header.maxHeightPrevoted,
precommitWeight: BigInt(0),
prevoteWeight: BigInt(0),
});
exports.getBlockBFTProperties = getBlockBFTProperties;
const sortValidatorsByAddress = (validators) => validators.sort((a, b) => a.address.compare(b.address));
exports.sortValidatorsByAddress = sortValidatorsByAddress;
const sortValidatorsByBLSKey = (validators) => validators.sort((a, b) => a.blsKey.compare(b.blsKey));
exports.sortValidatorsByBLSKey = sortValidatorsByBLSKey;
const computeValidatorsHash = (activeValidators, certificateThreshold) => {
const input = {
activeValidators,
certificateThreshold,
};
const encodedValidatorsHashInput = lisk_codec_1.codec.encode(schemas_1.validatorsHashInputSchema, input);
return lisk_cryptography_1.utils.hash(encodedValidatorsHashInput);
};
exports.computeValidatorsHash = computeValidatorsHash;
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