Add hodl_vault scripts

hodl_vault.ts

@@ -0,0 +1,52 @@
+import { BITBOX } from "bitbox-sdk"
+import { ECPair, HDNode } from "bitcoincashjs-lib"
+import { Contract, Instance } from "cashscript"
+import * as path from "path"
+import { PriceOracle } from "./src/routes/v1/PriceOracle"
+
+run()
+export async function run(): Promise<void> {
+  // Initialise BITBOX
+  const network: string = "testnet"
+  const bitbox: BITBOX = new BITBOX({
+    restURL: "https://trest.bitcoin.com/v2/"
+  })
+
+  // Initialise HD node and owner's keypair
+  const rootSeed: Buffer = bitbox.Mnemonic.toSeed("")
+  const hdNode: HDNode = bitbox.HDNode.fromSeed(rootSeed, network)
+  const owner: ECPair = bitbox.HDNode.toKeyPair(bitbox.HDNode.derive(hdNode, 0))
+
+  // Initialise price oracle with a keypair
+  const oracle: PriceOracle = new PriceOracle(
+    bitbox.HDNode.toKeyPair(bitbox.HDNode.derive(hdNode, 1))
+  )
+
+  // Compile and instantiate HODL Vault
+  const HodlVault: Contract = Contract.fromCashFile(
+    path.join(__dirname, "./src/routes/v1/contracts/hodl_vault.cash"),
+    "testnet"
+  )
+  const instance: Instance = HodlVault.new(
+    bitbox.ECPair.toPublicKey(owner),
+    bitbox.ECPair.toPublicKey(oracle.keypair),
+    597000,
+    30000
+  )
+
+  // Get contract balance & output address + balance
+  const contractBalance: number = await instance.getBalance()
+  console.log("contract address:", instance.address)
+  console.log("contract balance:", contractBalance)
+
+  // Produce new oracle message and signature
+  // const oracleMessage: Buffer = oracle.createMessage(597000, 30000)
+  // const oracleSignature: Buffer = oracle.signMessage(oracleMessage)
+
+  // // Spend from the vault
+  // const tx: TxnDetailsResult = await instance.functions
+  //   .spend(new Sig(owner, 0x01), oracleSignature, oracleMessage)
+  //   .send(instance.address, 1000)
+
+  // console.log(tx)
+}