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Update mainchain registration example #9113

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Update mainchain registration example #9113

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29 changes: 16 additions & 13 deletions examples/interop/common/mainchain_registration.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,7 @@ import {
registrationSignatureMessageSchema,
mainchainRegParams as mainchainRegParamsSchema,
MESSAGE_TAG_CHAIN_REG,
MODULE_NAME_INTEROPERABILITY,
} from 'lisk-framework';
import { COMMAND_NAME_MAINCHAIN_REG } from 'lisk-framework/dist-node/modules/interoperability/constants';
} from 'lisk-sdk';

export const registerMainchain = async (
num: string,
Expand All @@ -17,6 +15,7 @@ export const registerMainchain = async (
const mainchainClient = await apiClient.createIPCClient(`~/.lisk/mainchain-node-${num}`);
const sidechainClient = await apiClient.createIPCClient(`~/.lisk/pos-sidechain-example-${num}`);

// Get node info from sidechain and mainchain
const mainchainNodeInfo = await mainchainClient.invoke('system_getNodeInfo');
const sidechainNodeInfo = await sidechainClient.invoke('system_getNodeInfo');

Expand Down Expand Up @@ -55,25 +54,29 @@ export const registerMainchain = async (
{ height: sidechainNodeInfo.height },
);

const activeValidatorsWithPrivateKey: { blsPublicKey: Buffer; blsPrivateKey: Buffer }[] = [];
// Add validator private keys to the sidechain validator list
const activeValidatorsBLSKeys: { blsPublicKey: Buffer; blsPrivateKey: Buffer }[] = [];
for (const v of sidechainActiveValidators as { blsKey: string; bftWeight: string }[]) {
const validatorInfo = sidechainValidatorsKeys.find(
configValidator => configValidator.plain.blsKey === v.blsKey,
);
if (validatorInfo) {
activeValidatorsWithPrivateKey.push({
activeValidatorsBLSKeys.push({
blsPublicKey: Buffer.from(v.blsKey, 'hex'),
blsPrivateKey: Buffer.from(validatorInfo.plain.blsPrivateKey, 'hex'),
});
}
}
console.log('Total activeValidatorsWithPrivateKey:', activeValidatorsWithPrivateKey.length);
// Sort active validators from sidechainChain
activeValidatorsWithPrivateKey.sort((a, b) => a.blsPublicKey.compare(b.blsPublicKey));

console.log('Total activeValidatorsBLSKeys:', activeValidatorsBLSKeys.length);

// Sort active validators from sidechain lexicographically after their BLS public key
activeValidatorsBLSKeys.sort((a, b) => a.blsPublicKey.compare(b.blsPublicKey));

const sidechainValidatorsSignatures: { publicKey: Buffer; signature: Buffer }[] = [];
// Sign with each active validator
for (const validator of activeValidatorsWithPrivateKey) {

// Sign parameters with each active sidechain validator
for (const validator of activeValidatorsBLSKeys) {
const signature = bls.signData(
MESSAGE_TAG_CHAIN_REG,
params.ownChainID,
Expand All @@ -83,7 +86,7 @@ export const registerMainchain = async (
sidechainValidatorsSignatures.push({ publicKey: validator.blsPublicKey, signature });
}

const publicKeysList = activeValidatorsWithPrivateKey.map(v => v.blsPublicKey);
const publicKeysList = activeValidatorsBLSKeys.map(v => v.blsPublicKey);
console.log('Total active sidechain validators:', sidechainValidatorsSignatures.length);

// Create an aggregated signature
Expand All @@ -102,8 +105,8 @@ export const registerMainchain = async (
aggregationBits: aggregationBits.toString('hex'),
};
const tx = new Transaction({
module: MODULE_NAME_INTEROPERABILITY,
command: COMMAND_NAME_MAINCHAIN_REG,
module: 'interoperability',
command: 'registerMainchain',
fee: BigInt(2000000000),
params: codec.encodeJSON(mainchainRegParamsSchema, mainchainRegParams),
nonce: BigInt(nonce),
Expand Down