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This script correctly consumes and signs the 1-of-2 output from step1. It also creates an AVAX UTXO which is a 1-of-2 multisig with keypairs A and B. Lastly it adds a subnet validator by correctly signing the 2-of-3 Subnet Auth.
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import { Avalanche, BinTools, BN, Buffer } from "avalanche" | |
import { | |
PlatformVMAPI, | |
KeyChain, | |
SECPTransferOutput, | |
SECPTransferInput, | |
TransferableOutput, | |
TransferableInput, | |
UTXOSet, | |
UTXO, | |
AmountOutput, | |
UnsignedTx, | |
Tx, | |
AddSubnetValidatorTx | |
} from "avalanche/dist/apis/platformvm" | |
import { | |
PrivateKeyPrefix, | |
DefaultLocalGenesisPrivateKey, | |
NodeIDStringToBuffer, | |
Defaults | |
} from "avalanche/dist/utils" | |
const bintools: BinTools = BinTools.getInstance() | |
const ip: string = "localhost" | |
const port: number = 9650 | |
const protocol: string = "http" | |
const networkID: number = 1337 | |
const avalanche: Avalanche = new Avalanche(ip, port, protocol, networkID) | |
const pchain: PlatformVMAPI = avalanche.PChain() | |
// Keychain with 4 keys-A, B, C, and D | |
const pKeychain: KeyChain = pchain.keyChain() | |
// Keypair A | |
let privKey: string = `${PrivateKeyPrefix}${DefaultLocalGenesisPrivateKey}` | |
// 'P-custom18jma8ppw3nhx5r4ap8clazz0dps7rv5u9xde7p' | |
pKeychain.importKey(privKey) | |
// Keypair B | |
privKey = "PrivateKey-R6e8f5QSa89DjpvL9asNdhdJ4u8VqzMJStPV8VVdDmLgPd8a4" | |
// 'P-custom15s7p7mkdev0uajrd0pzxh88kr8ryccztnlmzvj' | |
pKeychain.importKey(privKey) | |
// Keypair C | |
privKey = "PrivateKey-24gdABgapjnsJfnYkfev6YPyQhTaCU72T9bavtDNTYivBLp2eW" | |
// 'P-custom1u6eth2fg33ye63mnyu5jswtj326jaypvhyar45' | |
pKeychain.importKey(privKey) | |
// Keypair D | |
privKey = "PrivateKey-2uWuEQbY5t7NPzgqzDrXSgGPhi3uyKj2FeAvPUHYo6CmENHJfn" | |
// P-custom1t3qjau2pf3ys83yallqt4y5xc3l6ya5f7wr6aq | |
pKeychain.importKey(privKey) | |
const pAddresses: Buffer[] = pchain.keyChain().getAddresses() | |
const pAddressStrings: string[] = pchain.keyChain().getAddressStrings() | |
const pChainBlockchainID: string = Defaults.network[networkID].P.blockchainID | |
const pChainBlockchainIDBuf: Buffer = bintools.cb58Decode(pChainBlockchainID) | |
const outputs: TransferableOutput[] = [] | |
const inputs: TransferableInput[] = [] | |
const fee: BN = pchain.getDefaultTxFee() | |
const threshold: number = 1 | |
const locktime: BN = new BN(0) | |
const nodeID: string = "NodeID-NFBbbJ4qCmNaCzeW7sxErhvWqvEQMnYcN" | |
const startTime: BN = new BN(1651958279) | |
const endTime: BN = new BN(1653189723) | |
const memo: Buffer = Buffer.from("Manually add subnet validator") | |
const avaxUTXOKeychain: Buffer[] = [pAddresses[0], pAddresses[1]] | |
const main = async (): Promise<any> => { | |
const avaxAssetID: Buffer = await pchain.getAVAXAssetID() | |
const getBalanceResponse: any = await pchain.getBalance(pAddressStrings[0]) | |
const unlocked: BN = new BN(getBalanceResponse.unlocked) | |
const secpTransferOutput: SECPTransferOutput = new SECPTransferOutput( | |
unlocked.sub(fee), | |
avaxUTXOKeychain, | |
locktime, | |
threshold | |
) | |
const transferableOutput: TransferableOutput = new TransferableOutput( | |
avaxAssetID, | |
secpTransferOutput | |
) | |
outputs.push(transferableOutput) | |
const platformVMUTXOResponse: any = await pchain.getUTXOs(pAddressStrings) | |
const utxoSet: UTXOSet = platformVMUTXOResponse.utxos | |
const utxos: UTXO[] = utxoSet.getAllUTXOs() | |
utxos.forEach((utxo: UTXO): void => { | |
const amountOutput: AmountOutput = utxo.getOutput() as AmountOutput | |
const amt: BN = amountOutput.getAmount().clone() | |
const txid: Buffer = utxo.getTxID() | |
const outputidx: Buffer = utxo.getOutputIdx() | |
const secpTransferInput: SECPTransferInput = new SECPTransferInput(amt) | |
secpTransferInput.addSignatureIdx(0, pAddresses[0]) | |
const input: TransferableInput = new TransferableInput( | |
txid, | |
outputidx, | |
avaxAssetID, | |
secpTransferInput | |
) | |
inputs.push(input) | |
}) | |
const weight: BN = new BN(1) | |
const subnetID: Buffer = bintools.cb58Decode( | |
"2e93TxpEo8wakrEV3T3oESdsUXbnTW7reecDZGHDXWsHrkFnxz" | |
) | |
const nodeIDBuf: Buffer = NodeIDStringToBuffer(nodeID) | |
const addSubnetValidatorTx: AddSubnetValidatorTx = new AddSubnetValidatorTx( | |
networkID, | |
pChainBlockchainIDBuf, | |
outputs, | |
inputs, | |
memo, | |
nodeIDBuf, | |
startTime, | |
endTime, | |
weight, | |
subnetID | |
) | |
addSubnetValidatorTx.addSignatureIdx(0, pAddresses[3]) | |
addSubnetValidatorTx.addSignatureIdx(2, pAddresses[2]) | |
const unsignedTx: UnsignedTx = new UnsignedTx(addSubnetValidatorTx) | |
const tx: Tx = unsignedTx.sign(pKeychain) | |
const txid: string = await pchain.issueTx(tx) | |
console.log(`Success! TXID: ${txid}`) | |
} | |
main() |
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