Casper Deploys

casper-signer-sign-delegate.tsx

// delegatorPublicKey: string, // 02024ef1def792992eeed81b2c55c42420236700b9c0eb55229cfd31a5e1ef437ac4
// validatorPublicKey: string, // 017d96b9a63abcb61c870a4f55187a0a7ac24096bdb5fc585c12a686a4d892009e
// delegateAmount: BigNumber,

const delegatorPublicKey = PublicKey.fromHex(publicKeyHex);
const validatorPublicKey = PublicKey.fromHex(validatorHex);

const args = RuntimeArgs.fromMap({
  delegator: CLValue.publicKey(delegatorPublicKey),
  validator: CLValue.publicKey(validatorPublicKey),
  amount: CLValue.u512(delegateAmount),
});

const session = DeployUtil.ExecutableDeployItem.newStoredContractByHash(
  decodeBase16(config.auction_manager_contract_hash),
  DELEGATE_ENTRY_POINT,
  args
);

const payment = DeployUtil.standardPayment(
  BigNumber.from(config.delegate_cost)
);

const deploy = DeployUtil.makeDeploy(
  new DeployUtil.DeployParams(delegatorPublicKey, config.network.chainName),
  session,
  payment
);

const deployJson: any = DeployUtil.deployToJson(deploy);

Signer.sign(deployJson, publicKeyHex).then((signedDeployJson) => {
  const signedDeploy = DeployUtil.deployFromJson(signedDeployJson);

  return casperService.deploy(signedDeploy!).then((res) => {
    return res;
  });
});

casper-signer-sign-transfer.tsx

// publicKeyHex: string, // 02024ef1def792992eeed81b2c55c42420236700b9c0eb55229cfd31a5e1ef437ac4
// recipientHex: string, // 019c0ff3ec5903540908e478d6ccda45c68405e08d73a0a064e0f1e4239a7ba959
// transferAmount: BigNumber,
// transferIdMemo: number

const senderPublicKey = PublicKey.fromHex(publicKeyHex);
const recipientPublicKey = PublicKey.fromHex(recipientHex);

const deployParams = new DeployUtil.DeployParams(
  senderPublicKey,
  config.network.chainName // casper-test
);

const session = DeployUtil.ExecutableDeployItem.newTransfer(
  transferAmount,
  recipientPublicKey,
  undefined,
  transferIdMemo
);

const payment = DeployUtil.standardPayment(DEFAULT_AMOUNT); // 10000000000000

const deploy = DeployUtil.makeDeploy(deployParams, session, payment);

const deployJson: any = DeployUtil.deployToJson(deploy);

Signer.sign(deployJson, publicKeyHex).then((signedDeployJson) => {
  const signedDeploy = DeployUtil.deployFromJson(signedDeployJson);

  return casperService.deploy(signedDeploy!).then((res) => {
    return res;
  });
});

ledger-sign.tsx

import TransportWebUSB from '@ledgerhq/hw-transport-webusb';
import LedgerApp from '@zondax/ledger-casper';

// ledgerPublicKeyHex: string,    // 028b2ddbe59976ad2f4138ca46553866de5124d13db4e13611ca751eedde9e0297
// recipientPublicKeyHex: string, // 020351a626464d6d0ae68efe33f049a0639aaefe07a956151296c708e837935d84f6
// transferAmount: BigNumber,
// transferIdMemo: number

const senderPublicKey = PublicKey.fromHex('02' + ledgerPublicKeyHex);
const recipientPublicKey = PublicKey.fromHex(recipientPublicKeyHex);

const deployParams = new DeployUtil.DeployParams(
  senderPublicKey,
  config.network.chainName // casper-test
);

const session = DeployUtil.ExecutableDeployItem.newTransfer(
  transferAmount, // 5 000 000 000 motes
  recipientPublicKey,
  undefined,
  transferIdMemo, // 5
);

const payment = DeployUtil.standardPayment(DEFAULT_AMOUNT); // 10 000 000 000 000

const deploy = DeployUtil.makeDeploy(deployParams, session, payment);

const deployBytes = DeployUtil.deployToBytes(deploy);

// call ledger sign method
const transport = await TransportWebUSB.create();
const ledgerApp = new LedgerApp(transport);
// sign => https://github.com/Zondax/ledger-casper/blob/master/js/src/index.ts#L203
const res = await ledgerApp.sign(
  `m/44'/506'/0'/0/0`,
  deployBytes
);

// signature verification
const deployHash = deploy.hash;
const pk = Uint8Array.from(Buffer.from(ledgerPublicKeyHex, 'hex'));
const digest = deployHash;
const signature = res.signatureRS;
const signatureOk = secp256k1.ecdsaVerify(signature, digest, pk); // true

// sign deploy object
const signedDeploy = DeployUtil.setSignature(
  deploy,
  signature,
  PublicKey.fromHex(ledgerPublicKeyHex)
);

// deploy method call throw Uncaught (in promise) Error: Invalid params
casperService.deploy(signedDeploy).then((res) => {
  return res;
});