lisk-framework
Version:
Lisk blockchain application platform
23 lines • 1.55 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateLegacyBlock = void 0;
const lisk_cryptography_1 = require("@liskhq/lisk-cryptography");
const lisk_tree_1 = require("@liskhq/lisk-tree");
const lisk_validator_1 = require("@liskhq/lisk-validator");
const codec_1 = require("./codec");
const validateLegacyBlock = (receivedBlock, decodedNextBlock) => {
const { block: decodedBlock, schema: blockSchema } = (0, codec_1.decodeBlock)(receivedBlock);
lisk_validator_1.validator.validate(blockSchema.header, decodedBlock.header);
if (decodedBlock.header.height + 1 !== decodedNextBlock.header.height) {
throw new Error(`Received block at height ${decodedBlock.header.height} is not consecutive to next block ${decodedNextBlock.header.height}`);
}
if (!decodedBlock.header.id.equals(decodedNextBlock.header.previousBlockID)) {
throw new Error(`Received block ${decodedBlock.header.id.toString('hex')} is not previous block of ${decodedNextBlock.header.id.toString('hex')}`);
}
const transactionRoot = lisk_tree_1.regularMerkleTree.calculateMerkleRootWithLeaves(decodedBlock.payload.map(tx => lisk_cryptography_1.utils.hash(tx)));
if (!decodedBlock.header.transactionRoot.equals(transactionRoot)) {
throw new Error(`Received block has invalid transaction root ${transactionRoot.toString('hex')}. Expected: ${decodedBlock.header.transactionRoot.toString('hex')}`);
}
};
exports.validateLegacyBlock = validateLegacyBlock;
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