73 lines
1.6 KiB
TypeScript
73 lines
1.6 KiB
TypeScript
import {
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Blockfrost,
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Constr,
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Data,
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fromHex,
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Lucid,
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SpendingValidator,
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toHex,
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TxHash,
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} from "https://deno.land/x/lucid@0.8.3/mod.ts";
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import * as cbor from "https://deno.land/x/cbor@v1.4.1/index.js";
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const lucid = await Lucid.new(
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new Blockfrost(
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"https://cardano-preview.blockfrost.io/api/v0",
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Deno.env.get("BLOCKFROST_API_KEY"),
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),
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"Preview",
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);
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lucid.selectWalletFromPrivateKey(await Deno.readTextFile("./key.sk"));
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const validator = await readValidator();
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// --- Supporting functions
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async function readValidator(): Promise<SpendingValidator> {
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const validator = JSON
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.parse(await Deno.readTextFile("plutus.json"))
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.validators[0];
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return {
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type: "PlutusV2",
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script: toHex(cbor.encode(fromHex(validator.compiledCode))),
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};
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}
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const publicKeyHash = lucid.utils
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.getAddressDetails(await lucid.wallet.address())
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.paymentCredential
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?.hash;
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const datum = Data.to(new Constr(0, [publicKeyHash]));
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const txHash = await lock(1000000n, { into: validator, owner: datum });
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await lucid.awaitTx(txHash);
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console.log(`1 tADA locked into the contract at:
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Tx ID: ${txHash}
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Datum: ${datum}
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`);
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// --- Supporting functions
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async function lock(
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lovelace: bigint,
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{ into, owner }: { into: SpendingValidator; owner: string },
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): Promise<TxHash> {
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const contractAddress = lucid.utils.validatorToAddress(into);
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const tx = await lucid
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.newTx()
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.payToContract(contractAddress, { inline: owner }, { lovelace })
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.complete();
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const signedTx = await tx
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.sign()
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.complete();
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return signedTx.submit();
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}
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