emulate-something #38

aleeusgr · 2023-04-17T08:27:20Z

For docs!

npm run dev -> emulate-something.ts

TypeError

09:36 $ npm run dev

> potential-robot@1.0.0 dev
> node emulate-something.ts

node:internal/errors:484
    ErrorCaptureStackTrace(err);
    ^

TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts" for /home/alex/workshop/potential-robot/emulate-something.ts
    at new NodeError (node:internal/errors:393:5)
    at Object.getFileProtocolModuleFormat [as file:] (node:internal/modules/esm/get_format:79:11)
    at defaultGetFormat (node:internal/modules/esm/get_format:121:38)
    at defaultLoad (node:internal/modules/esm/load:81:20)
    at nextLoad (node:internal/modules/esm/loader:163:28)
    at ESMLoader.load (node:internal/modules/esm/loader:605:26)
    at ESMLoader.moduleProvider (node:internal/modules/esm/loader:457:22)
    at new ModuleJob (node:internal/modules/esm/module_job:63:26)
    at #createModuleJob (node:internal/modules/esm/loader:480:17)
    at ESMLoader.getModuleJob (node:internal/modules/esm/loader:434:34) {
  code: 'ERR_UNKNOWN_FILE_EXTENSION'
}

Node.js v18.12.1

npm test -> vitest -> tests/emulator.test.ts

#37

aleeusgr

create an emulator instance
create minting policy
transaction is created from minting policy
transaction is submitted via the emulator

emulate-something.ts

aleeusgr · 2023-04-17T08:29:04Z

emulate-something.ts

+
+const emulator = new Emulator([{ address, assets: { lovelace: 3000000000n } }]);
+
+const lucid = await Lucid.new(emulator);


Emulator is a class;
new means instantiation.

N.B. lucid vs Lucid

https://deno.land/x/lucid@0.10.1/mod.ts?s=Lucid&p=new
https://deno.land/x/lucid@0.10.1/mod.ts?s=Emulator

aleeusgr · 2023-04-17T08:32:35Z

emulate-something.ts

+    },
+    { type: "sig", keyHash: paymentCredential?.hash! },
+  ],
+});


Convert a native script from Json to the Hex representation.

https://deno.land/x/lucid@0.10.1/mod.ts?s=nativeScriptFromJson
https://github.com/input-output-hk/cardano-node/blob/master/doc/reference/simple-scripts.md

https://deno.land/x/lucid@0.10.1/mod.ts?s=Utils

aleeusgr · 2023-04-17T08:34:38Z

emulate-something.ts

+  const signedTx = await tx.sign().complete();
+
+  return signedTx.submit();
+}


build and send a tx
https://deno.land/x/lucid@0.10.1/mod.ts?s=Lucid&p=prototype.newTx

validTo it will be different if I am testing production code, ?

aleeusgr · 2023-04-17T08:46:26Z

emulate-something.ts

+
+const lucid = await Lucid.new(emulator);
+
+lucid.selectWalletFromPrivateKey(privateKey);


https://deno.land/x/lucid@0.10.1/mod.ts?s=Lucid&p=prototype.selectWalletFromPrivateKey

aleeusgr · 2023-04-17T08:48:19Z

emulate-something.ts

+
+const policyId = lucid.utils.mintingPolicyToId(mintingPolicy);
+
+async function mint(): Promise<TxHash> {


Promise<TxHash>

see L8

aleeusgr

Description on L12:17
Exports two functions: lockUtxo, redeemUtxo;
Shows how to interoperate with Helios.

how/where are these functions called?

aleeusgr · 2023-04-17T10:51:53Z

matching_keyhash.ts

+    "<project_id>",
+  ),
+  "Preview",
+);


https://deno.land/x/lucid@0.10.1/mod.ts?s=Blockfrost

https://blockfrost.io/

aleeusgr · 2023-04-17T10:52:26Z

matching_keyhash.ts

+    func main(datum : Datum, redeemer: Redeemer) -> Bool {datum.owner == redeemer.owner}
+`).compile().serialize(),
+  ).cborHex,
+};


getting uplc..

L34

aleeusgr · 2023-04-17T10:56:42Z

matching_keyhash.ts

+  const signedTx = await tx.sign().complete();
+
+  return signedTx.submit();
+}


L52
Create and execute a lockUtxo transaction

emulate-something

b8e4b16

aleeusgr commented Apr 17, 2023

View reviewed changes

aleeusgr mentioned this pull request Apr 17, 2023

Emulator #37

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matching keyhash

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aleeusgr commented Apr 17, 2023

View reviewed changes

aleeusgr added 2 commits April 19, 2023 09:18

install lucid

603bc1c

add tests, attempt to run

ed6da70

aleeusgr mentioned this pull request Apr 19, 2023

lley154: tests #43

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aleeusgr closed this Apr 19, 2023

This was referenced Apr 19, 2023

lucid.test.ts #44

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lucid.test.js #45

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emulate-something #38

emulate-something #38

aleeusgr commented Apr 17, 2023 •

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aleeusgr Apr 17, 2023

aleeusgr Apr 17, 2023


		const emulator = new Emulator([{ address, assets: { lovelace: 3000000000n } }]);

		const lucid = await Lucid.new(emulator);


		const lucid = await Lucid.new(emulator);

		lucid.selectWalletFromPrivateKey(privateKey);


		const policyId = lucid.utils.mintingPolicyToId(mintingPolicy);

		async function mint(): Promise<TxHash> {

emulate-something #38

emulate-something #38

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