Merge pull request #582 from input-output-hk/feat/ADP-2534-replace-current-fee-ca… - input-output-hk/cardano-js-sdk@5481dac6 - Cardano Updates

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File Changes

m

packages/input-selection/src/index.ts

+0/-1

export * from './RoundRobinRandomImprove';

-

export * from './selectionConstraints';

export * from './types';

export * from './InputSelectionError';

m

packages/input-selection/src/types.ts

+1/-1

export type ProtocolParametersForInputSelection = Pick<

  Cardano.ProtocolParameters,

-

  'coinsPerUtxoByte' | 'maxTxSize' | 'maxValueSize' | 'minFeeCoefficient' | 'minFeeConstant'

+

  'coinsPerUtxoByte' | 'maxTxSize' | 'maxValueSize' | 'minFeeCoefficient' | 'minFeeConstant' | 'prices'

>;

export type ProtocolParametersRequiredByInputSelection = Required<{

a

packages/tx-construction/.gitignore

+4/-0

+

node_modules

+

dist

+

secrets

+

coverage

\ No newline at end of file

a

packages/tx-construction/CHANGELOG.md

+4/-0

+

# Change Log

+

+

All notable changes to this project will be documented in this file.

+

See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.

\ No newline at end of file

a

packages/tx-construction/LICENSE

+201/-0

+

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a

packages/tx-construction/NOTICE

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Copyright 2023 IOHK

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Licensed under the Apache License, Version 2.0 (the "License”). You may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.txt

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Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

\ No newline at end of file

a

packages/tx-construction/README.md

+3/-0

+

# Cardano JS SDK | Tx Construction

+

+

This package provides a set of high level primitives or constructing transactions on the Cardano blockchain.

a

packages/tx-construction/jest.config.js

+1/-0

+

module.exports = require('../../test/jest.config');

\ No newline at end of file

a

packages/tx-construction/package.json

+76/-0

+

+

  "name": "@cardano-sdk/tx-construction",

+

  "version": "0.1.0",

+

  "description": "Types and functions for constructing transactions on Cardano",

+

  "engines": {

+

    "node": ">=14.20.1"

+

},

+

  "main": "dist/cjs/index.js",

+

  "module": "dist/esm/index.js",

+

  "exports": {

+

    ".": {

+

      "import": "./dist/esm/index.js",

+

      "require": "./dist/cjs/index.js"

+

+

},

+

  "repository": "https://github.com/input-output-hk/cardano-js-sdk",

+

  "publishConfig": {

+

    "access": "public"

+

},

+

  "sideEffects": false,

+

  "contributors": [

+

    "Rhys Bartels-Waller <[email protected]> (https://iohk.io)",

+

    "Martynas Kazlauskas <[email protected]> (https://iohk.io)",

+

    "Daniele Ricci <[email protected]> (https://iohk.io)",

+

    "Ivaylo Andonov <[email protected]> (https://iohk.io)",

+

    "Mircea Hasegan <[email protected]> (https://iohk.io)",

+

    "Angel Castillo Bacigalupi <[email protected]> (https://iohk.io)",

+

    "Dmytro Iakymenko <[email protected]> (https://iohk.io)"

+

],

+

  "license": "Apache-2.0",

+

  "scripts": {

+

    "build:esm": "tsc -p src/tsconfig.json --outDir ./dist/esm --module es2020",

+

    "build:cjs": "tsc --build src",

+

    "build": "run-s build:cjs build:esm module-fixup",

+

    "circular-deps:check": "madge --circular dist",

+

    "module-fixup": "shx cp ../../build/cjs-package.json ./dist/cjs/package.json && cp ../../build/esm-package.json ./dist/esm/package.json",

+

    "tscNoEmit": "shx echo typescript --noEmit command not implemented yet",

+

    "cleanup:dist": "shx rm -rf dist",

+

    "cleanup:nm": "shx rm -rf node_modules",

+

    "cleanup": "run-s cleanup:dist cleanup:nm",

+

    "lint": "eslint -c ../../complete.eslintrc.js \"src/**/*.ts\" \"test/**/*.ts\"",

+

    "lint:fix": "yarn lint --fix",

+

    "test": "jest -c ./jest.config.js",

+

    "test:build:verify": "tsc --build ./test",

+

    "test:e2e": "shx echo 'test:e2e' command not implemented yet",

+

    "coverage": "shx echo No coverage report for this package",

+

    "prepack": "yarn build"

+

},

+

  "devDependencies": {

+

    "@cardano-sdk/crypto": "^0.1.0",

+

    "@cardano-sdk/util-dev": "^0.6.0",

+

    "@types/lodash": "^4.14.182",

+

    "eslint": "^7.32.0",

+

    "jest": "^28.1.3",

+

    "madge": "^5.0.1",

+

    "npm-run-all": "^4.1.5",

+

    "shx": "^0.3.3",

+

    "ts-jest": "^28.0.7",

+

    "typescript": "^4.7.4"

+

},

+

  "dependencies": {

+

    "@cardano-sdk/core": "^0.7.0",

+

    "@cardano-sdk/input-selection": "^0.7.0",

+

    "@cardano-sdk/util": "^0.7.0",

+

    "lodash": "^4.17.21",

+

    "npm": "^9.3.0",

+

    "ts-custom-error": "^3.2.0",

+

    "ts-log": "^2.2.4"

+

},

+

  "files": [

+

    "dist/*",

+

    "!dist/tsconfig.tsbuildinfo",

+

    "LICENSE",

+

    "NOTICE"

+

+

a

packages/tx-construction/src/fees/fees.ts

+140/-0

+

import { CML, Cardano, coreToCml } from '@cardano-sdk/core';

+

import { OpaqueNumber, usingAutoFree } from '@cardano-sdk/util';

+

+

/**

+

 * The constant overhead of 160 bytes accounts for the transaction input and the entry in the UTxO map data

+

 * structure (20 words * 8 bytes).

+

*/

+

const MIN_ADA_CONSTANT_OVERHEAD = 160;

+

+

// TODO: Remove this serialization function once CBOR serialization has been added to the SDK.

+

/**

+

 * Serializes the given BigInt to CBOR format.

+

+

 * @param bigInt The BigInt to be serialized.

+

*/

+

const serializeBigInt = (bigInt: string) =>

+

  usingAutoFree((scope) => scope.manage(CML.BigNum.from_str(bigInt)).to_bytes());

+

+

// TODO: Remove this serialization function once CBOR serialization has been added to the SDK.

+

/**

+

 * Serializes the given Tx Output to CBOR format.

+

+

 * @param output The Tx Output to be serialized.

+

*/

+

const serializeTxOutput = (output: Cardano.TxOut) =>

+

  usingAutoFree((scope) => coreToCml.txOut(scope, output).to_bytes());

+

+

// TODO: Remove this serialization function once CBOR serialization has been added to the SDK.

+

/**

+

 * Serializes the given Tx to CBOR format.

+

+

 * @param tx The Tx to be serialized.

+

*/

+

const serializeTx = (tx: Cardano.Tx) => usingAutoFree((scope) => coreToCml.tx(scope, tx).to_bytes());

+

+

/**

+

 * Gets the total transaction execution units budget from the redeemers.

+

+

 * @param redeemers The transaction redeemer.

+

*/

+

const getTotalExUnits = (redeemers: Cardano.Redeemer[]): Cardano.ExUnits => {

+

  const totalExUnits: Cardano.ExUnits = { memory: 0, steps: 0 };

+

+

  for (const redeemer of redeemers) {

+

    totalExUnits.memory += redeemer.executionUnits.memory;

+

    totalExUnits.steps += redeemer.executionUnits.steps;

+

+

+

  return totalExUnits;

+

};

+

+

/**

+

 * Gets the minimum fee incurred by the scripts on the transaction.

+

+

 * @param tx The transaction to compute the min script fee from.

+

 * @param exUnitsPrice The prices of the execution units.

+

*/

+

const minScriptFee = (tx: Cardano.Tx, exUnitsPrice: Cardano.Prices): bigint => {

+

  if (!tx.witness.redeemers) return BigInt(0);

+

+

  const totalExUnits = getTotalExUnits(tx.witness.redeemers);

+

+

  return BigInt(Math.ceil(totalExUnits.steps * exUnitsPrice.steps + totalExUnits.memory * exUnitsPrice.memory));

+

};

+

+

/**

+

 * The value of the min fee constant is a payable fee, regardless of the size of the transaction. This parameter was

+

 * primarily introduced to prevent Distributed-Denial-of-Service (DDoS) attacks. This constant makes such attacks

+

 * prohibitively expensive, and eliminates the possibility of an attacker generating millions of small transactions

+

 * to flood and crash the system.

+

*/

+

export type MinFeeConstant = OpaqueNumber<'MinFeeConstant'>;

+

export const MinFeeConstant = (value: number): MinFeeConstant => value as unknown as MinFeeConstant;

+

+

/**

+

 * Min fee coefficient reflects the dependence of the transaction cost on the size of the transaction. The larger

+

 * the transaction, the more resources are needed to store and process it.

+

*/

+

export type MinFeeCoefficient = OpaqueNumber<'MinFeeCoefficient'>;

+

export const MinFeeCoefficient = (value: number): MinFeeCoefficient => value as unknown as MinFeeCoefficient;

+

+

/**

+

 * Gets the minimum fee incurred by the transaction size.

+

+

 * @param tx The transaction to compute the min fee from.

+

 * @param minFeeConstant The prices of the execution units.

+

 * @param minFeeCoefficient The prices of the execution units.

+

*/

+

const minNoScriptFee = (tx: Cardano.Tx, minFeeConstant: MinFeeConstant, minFeeCoefficient: MinFeeCoefficient) => {

+

  const txSize = serializeTx(tx).length;

+

  return BigInt(Math.ceil(txSize * minFeeCoefficient.valueOf() + minFeeConstant.valueOf()));

+

};

+

+

/**

+

 * Gets the minimum ADA amount required to be contained in the given UTXO.

+

+

 * Requiring some amount of ADA to be included in every UTXO (where that amount is based on the size of the UTXO,

+

 * in bytes) limits the maximum total size taken up by UTXO entries on the ledger at any given time.

+

+

 * @param output The UTXO to get the minimum ADA amount.

+

 * @param coinsPerUtxoByte parameter used to adjust the maximum possible UTXO size by raising and lowering the min ada

+

 * required per UTXO.

+

*/

+

export const minAdaRequired = (output: Cardano.TxOut, coinsPerUtxoByte: bigint): bigint => {

+

  const oldCoinSize = serializeBigInt(output.value.coins.toString()).length;

+

+

  let latestSize = oldCoinSize;

+

  let isDone = false;

+

+

  while (!isDone) {

+

    const sizeDiff = latestSize - oldCoinSize;

+

+

    const tentativeMinAda =

+

      BigInt(serializeTxOutput(output).length + MIN_ADA_CONSTANT_OVERHEAD + sizeDiff) * coinsPerUtxoByte;

+

+

    const newCoinSize = serializeBigInt(tentativeMinAda.toString()).length;

+

+

    isDone = latestSize === newCoinSize;

+

    latestSize = newCoinSize;

+

+

+

  const sizeChange = latestSize - oldCoinSize;

+

+

  return BigInt(serializeTxOutput(output).length + MIN_ADA_CONSTANT_OVERHEAD + sizeChange) * coinsPerUtxoByte;

+

};

+

+

/**

+

 * Gets the minimum transaction fee for the given transaction given its size and its execution units budget.

+

+

 * @param tx The transaction to compute the min fee from.

+

 * @param exUnitsPrice The current (given by protocol parameters) execution unit prices.

+

 * @param minFeeConstant The current (given by protocol parameters) constant fee that all transaction must pay.

+

 * @param minFeeCoefficient The current (given by protocol parameters) transaction size fee coefficient.

+

*/

+

export const minFee = (

+

  tx: Cardano.Tx,

+

  exUnitsPrice: Cardano.Prices,

+

  minFeeConstant: MinFeeConstant,

+

  minFeeCoefficient: MinFeeCoefficient

+

) => minNoScriptFee(tx, minFeeConstant, minFeeCoefficient) + minScriptFee(tx, exUnitsPrice);

a

packages/tx-construction/src/fees/index.ts

+1/-0

+

export * from './fees';

a

packages/tx-construction/src/index.ts

+2/-0

+

export * from './fees';

+

export * from './input-selection';

a

packages/tx-construction/src/input-selection/index.ts

+1/-0

+

export * from './selectionConstraints';

r

packages/tx-construction/src/input-selection/selectionConstraints.ts

+19/-45

-

import { CML, InvalidProtocolParametersError, cmlUtil, coreToCml } from '@cardano-sdk/core';

+

import { CML, Cardano, InvalidProtocolParametersError, cmlUtil, coreToCml } from '@cardano-sdk/core';

import {

  ComputeMinimumCoinQuantity,

  ComputeSelectionLimit,

  SelectionConstraints,

  SelectionSkeleton,

  TokenBundleSizeExceedsLimit

-

} from './types';

-

import { ManagedFreeableScope, usingAutoFree } from '@cardano-sdk/util';

+

} from '@cardano-sdk/input-selection';

+

import { MinFeeCoefficient, MinFeeConstant, minAdaRequired, minFee } from '../fees';

+

import { usingAutoFree } from '@cardano-sdk/util';

-

export type BuildTx = (selection: SelectionSkeleton, scope: ManagedFreeableScope) => Promise<CML.Transaction>;

+

export type BuildTx = (selection: SelectionSkeleton) => Promise<Cardano.Tx>;

export interface DefaultSelectionConstraintsProps {

  protocolParameters: ProtocolParametersForInputSelection;

      minFeeCoefficient,

-

      minFeeConstant

-

    }: Pick<ProtocolParametersRequiredByInputSelection, 'minFeeCoefficient' | 'minFeeConstant'>,

+

      minFeeConstant,

+

      prices

+

    }: Pick<ProtocolParametersRequiredByInputSelection, 'minFeeCoefficient' | 'minFeeConstant' | 'prices'>,

    buildTx: BuildTx

  ): EstimateTxFee =>

-

  (selection) =>

-

    usingAutoFree(async (scope) => {

-

      const tx = await buildTx(selection, scope);

-

-

      // TODO: Get this from cardano-services

-

      const priceMem = scope.manage(

-

        CML.UnitInterval.new(scope.manage(CML.BigNum.from_str('577')), scope.manage(CML.BigNum.from_str('10000')))

-

);

-

      const priceStep = scope.manage(

-

        CML.UnitInterval.new(scope.manage(CML.BigNum.from_str('721')), scope.manage(CML.BigNum.from_str('100000000')))

-

);

-

      const exInitPrices = scope.manage(CML.ExUnitPrices.new(priceMem, priceStep));

+

  async (selection) => {

+

    const tx = await buildTx(selection);

-

      const linearFee = scope.manage(

-

        CML.LinearFee.new(

-

          scope.manage(CML.BigNum.from_str(minFeeCoefficient.toString())),

-

          scope.manage(CML.BigNum.from_str(minFeeConstant.toString()))

-

-

);

-

      const minFee = scope.manage(CML.min_fee(tx, linearFee, exInitPrices));

-

      return BigInt(minFee.to_str());

-

});

+

    return minFee(tx, prices, MinFeeConstant(minFeeConstant), MinFeeCoefficient(minFeeCoefficient));

+

};

export const computeMinimumCoinQuantity =

  (coinsPerUtxoByte: ProtocolParametersRequiredByInputSelection['coinsPerUtxoByte']): ComputeMinimumCoinQuantity =>

  (output) =>

-

    usingAutoFree((scope) =>

-

      BigInt(

-

        scope

-

          .manage(

-

            CML.min_ada_required(

-

              coreToCml.txOut(scope, output),

-

              scope.manage(CML.BigNum.from_str(coinsPerUtxoByte.toString()))

-

-

-

          .to_str()

-

-

);

+

    minAdaRequired(output, BigInt(coinsPerUtxoByte));

export const tokenBundleSizeExceedsLimit =

  (maxValueSize: ProtocolParametersRequiredByInputSelection['maxValueSize']): TokenBundleSizeExceedsLimit =>

  (maxTxSize: ProtocolParametersRequiredByInputSelection['maxTxSize'], buildTx: BuildTx): ComputeSelectionLimit =>

  (selectionSkeleton) =>

    usingAutoFree(async (scope) => {

-

      const tx = await buildTx(selectionSkeleton, scope);

-

      const txSize = getTxSize(tx);

+

      const tx = await buildTx(selectionSkeleton);

+

      const txSize = getTxSize(coreToCml.tx(scope, tx));

      if (txSize <= maxTxSize) {

        return selectionSkeleton.inputs.size;

      return selectionSkeleton.inputs.size - 1;

});

export const defaultSelectionConstraints = ({

-

  protocolParameters: { coinsPerUtxoByte, maxTxSize, maxValueSize, minFeeCoefficient, minFeeConstant },

+

  protocolParameters: { coinsPerUtxoByte, maxTxSize, maxValueSize, minFeeCoefficient, minFeeConstant, prices },

  buildTx

}: DefaultSelectionConstraintsProps): SelectionConstraints => {

-

  if (!coinsPerUtxoByte || !maxTxSize || !maxValueSize || !minFeeCoefficient || !minFeeConstant) {

+

  if (!coinsPerUtxoByte || !maxTxSize || !maxValueSize || !minFeeCoefficient || !minFeeConstant || !prices) {

    throw new InvalidProtocolParametersError(

-

      'Missing one of: coinsPerUtxoByte, maxTxSize, maxValueSize, minFeeCoefficient, minFeeConstant'

+

      'Missing one of: coinsPerUtxoByte, maxTxSize, maxValueSize, minFeeCoefficient, minFeeConstant, prices'

);

  return {

    computeMinimumCoinQuantity: computeMinimumCoinQuantity(coinsPerUtxoByte),

-

    computeMinimumCost: computeMinimumCost({ minFeeCoefficient, minFeeConstant }, buildTx),

+

    computeMinimumCost: computeMinimumCost({ minFeeCoefficient, minFeeConstant, prices }, buildTx),

    computeSelectionLimit: computeSelectionLimit(maxTxSize, buildTx),

    tokenBundleSizeExceedsLimit: tokenBundleSizeExceedsLimit(maxValueSize)

};

a

packages/tx-construction/src/tsconfig.json

+17/-0

+

+

  "extends": "../../../tsconfig.json",

+

  "compilerOptions": {

+

    "outDir": "../dist/cjs"

+

},

+

  "references": [

+

+

      "path": "../../util/src"

+

},

+

+

      "path": "../../core/src"

+

},

+

+

      "path": "../../input-selection/src"

+

+

+

a

packages/tx-construction/test/fees/fees.test.ts

+126/-0

+

import { Cardano } from '@cardano-sdk/core';

+

import { MinFeeCoefficient, MinFeeConstant, minAdaRequired, minFee } from '../../src';

+

import {

+

  babbageTx,

+

  babbageTxWithoutScript,

+

  noMultiasset,

+

  noMultiassetMinAda,

+

  onePolicyOne0CharAsset,

+

  onePolicyOne0CharAssetDatumHash,

+

  onePolicyOne0CharAssetDatumHashMinAda,

+

  onePolicyOne0CharAssetMinAda,

+

  onePolicyOne1CharAsset,

+

  onePolicyOne1CharAssetMinAda,

+

  onePolicyThree1CharAsset,

+

  onePolicyThree1CharAssetMinAda,

+

  threePolicyThree32CharAssetDatumHash,

+

  threePolicyThree32CharAssetDatumHashMinAda,

+

  twoPoliciesOne0CharAsset,

+

  twoPoliciesOne0CharAssetMinAda,

+

  twoPoliciesOne1CharAsset,

+

  twoPoliciesOne1CharAssetMinAda,

+

  twoPolicyOne0CharAssetDatum,

+

  twoPolicyOne0CharAssetDatumAndScriptReference,

+

  twoPolicyOne0CharAssetDatumAndScriptReferenceMinAda,

+

  twoPolicyOne0CharAssetDatumHash,

+

  twoPolicyOne0CharAssetDatumHashMinAda,

+

  twoPolicyOne0CharAssetDatumMinAda

+

} from '../testData';

+

import { generateRandomHexString } from '@cardano-sdk/util-dev';

+

+

const COST_PER_UTXO_BYTE = BigInt(4310);

+

+

describe('fees', () => {

+

  describe('minAdaRequired', () => {

+

    it('calculate the correct min ada for an utxo with no multiasset', () => {

+

      const minAda = minAdaRequired(noMultiasset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(noMultiassetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with one policy with one 0 char name asset', () => {

+

      const minAda = minAdaRequired(onePolicyOne0CharAsset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(onePolicyOne0CharAssetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with one policy with one 1 char name asset', () => {

+

      const minAda = minAdaRequired(onePolicyOne1CharAsset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(onePolicyOne1CharAssetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with one policy with three 1 char name assets', () => {

+

      const minAda = minAdaRequired(onePolicyThree1CharAsset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(onePolicyThree1CharAssetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with two policies with one 0 char name assets', () => {

+

      const minAda = minAdaRequired(twoPoliciesOne0CharAsset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(twoPoliciesOne0CharAssetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with two policies with one 1 char name assets', () => {

+

      const minAda = minAdaRequired(twoPoliciesOne1CharAsset, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(twoPoliciesOne1CharAssetMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with one policy with one 0 char name assets and datum hash', () => {

+

      const minAda = minAdaRequired(onePolicyOne0CharAssetDatumHash, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(onePolicyOne0CharAssetDatumHashMinAda);

+

});

+

+

it(

+

      'calculate the correct min ada for an utxo with three policies with three' +

+

        ' 32 char name assets and datum hash',

+

      () => {

+

        const minAda = minAdaRequired(threePolicyThree32CharAssetDatumHash, COST_PER_UTXO_BYTE);

+

        expect(minAda).toBe(threePolicyThree32CharAssetDatumHashMinAda);

+

+

);

+

+

    it('calculate the correct min ada for an utxo with two policies with one 0 char name assets and datum hash', () => {

+

      const minAda = minAdaRequired(twoPolicyOne0CharAssetDatumHash, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(twoPolicyOne0CharAssetDatumHashMinAda);

+

});

+

+

    it('calculate the correct min ada for an utxo with two policies with one 0 char name assets and datum', () => {

+

      const minAda = minAdaRequired(twoPolicyOne0CharAssetDatum, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(twoPolicyOne0CharAssetDatumMinAda);

+

});

+

+

it(

+

      'calculate the correct min ada for an utxo with two policies with one 0 char name assets,' +

+

        'datum and script reference',

+

      () => {

+

        const minAda = minAdaRequired(twoPolicyOne0CharAssetDatumAndScriptReference, COST_PER_UTXO_BYTE);

+

        expect(minAda).toBe(twoPolicyOne0CharAssetDatumAndScriptReferenceMinAda);

+

+

);

+

+

    it('calculate the correct min ada for an utxo with 1000 policies with one billion 0 char name asset', () => {

+

      const output = onePolicyOne0CharAsset;

+

      const assets = new Map([[Cardano.AssetId('ab8370c97ae17eb69a8c97f733888f7485b60fd820c69211c8bbeb56'), 1n]]);

+

+

      for (let i = 0; i < 1000; ++i) {

+

        const policy = generateRandomHexString(56);

+

        assets.set(Cardano.AssetId(policy), 1_000_000_000n);

+

+

+

      output.value.assets = assets;

+

      const minAda = minAdaRequired(output, COST_PER_UTXO_BYTE);

+

      expect(minAda).toBe(160_599_220n);

+

});

+

});

+

+

  describe('minFee', () => {

+

    it('calculate the correct min fee for transaction without scripts', () => {

+

      const prices = { memory: 0.0577, steps: 0.000_007_21 };

+

      const fee = minFee(babbageTxWithoutScript, prices, MinFeeConstant(155_381), MinFeeCoefficient(44));

+

      expect(fee).toBe(176_193n);

+

});

+

+

    it('calculate the correct min fee for transaction with scripts', () => {

+

      const prices = { memory: 0.0577, steps: 0.000_007_21 };

+

      const fee = minFee(babbageTx, prices, MinFeeConstant(155_381), MinFeeCoefficient(44));

+

      expect(fee).toBe(218_807n);

+

});

+

});

+

});

r

packages/tx-construction/test/input-selection/selectionConstraints.test.ts

+12/-13

/* eslint-disable @typescript-eslint/no-explicit-any */

/* eslint-disable unicorn/consistent-function-scoping */

import { AssetId } from '@cardano-sdk/util-dev';

-

import { CML, Cardano, InvalidProtocolParametersError } from '@cardano-sdk/core';

-

import { DefaultSelectionConstraintsProps, defaultSelectionConstraints } from '../src/selectionConstraints';

-

import { ProtocolParametersForInputSelection, SelectionSkeleton } from '../src/types';

+

import { Cardano, InvalidProtocolParametersError } from '@cardano-sdk/core';

+

import { DefaultSelectionConstraintsProps, defaultSelectionConstraints } from '../../src';

+

import { ProtocolParametersForInputSelection, SelectionSkeleton } from '@cardano-sdk/input-selection';

+

import { babbageTx, getBigBabbageTx } from '../testData';

jest.mock('@dcspark/cardano-multiplatform-lib-nodejs', () => {

  const actualCml = jest.requireActual('@dcspark/cardano-multiplatform-lib-nodejs');

    maxTxSize: 16_384,

    maxValueSize: 5000,

    minFeeCoefficient: 44,

-

    minFeeConstant: 155_381

+

    minFeeConstant: 155_381,

+

    prices: { memory: 0.0577, steps: 0.000_007_21 }

  } as ProtocolParametersForInputSelection;

  it('Invalid parameters', () => {

});

  it('computeMinimumCost', async () => {

-

    const fee = 200_000n;

-

    // Need this to not have to build Tx

-

    cmlMock.min_fee.mockReturnValueOnce(cmlMock.BigNum.from_str(fee.toString()));

-

    const buildTx = jest.fn();

+

    cmlMock.Value.new.mockImplementation(cmlActual.Value.new);

+

    const fee = 218_807n;

+

    const buildTx = jest.fn(async () => babbageTx);

    const selectionSkeleton = {} as SelectionSkeleton;

    const constraints = defaultSelectionConstraints({

      buildTx,

    const result = await constraints.computeMinimumCost(selectionSkeleton);

    expect(result).toEqual(fee);

    expect(buildTx).toBeCalledTimes(1);

-

    expect(buildTx).toBeCalledWith(selectionSkeleton, expect.anything());

+

    expect(buildTx).toBeCalledWith(selectionSkeleton);

});

  it('computeMinimumCoinQuantity', () => {

});

  describe('computeSelectionLimit', () => {

-

    const buildTxOfLength = (length: number) => async () => ({ to_bytes: () => ({ length }) } as CML.Transaction);

-

    it("doesn't exceed max tx size", async () => {

      const constraints = defaultSelectionConstraints({

-

        buildTx: buildTxOfLength(protocolParameters.maxTxSize!),

+

        buildTx: async () => babbageTx,

        protocolParameters

});

      expect(await constraints.computeSelectionLimit({ inputs: new Set([1, 2]) as any } as SelectionSkeleton)).toEqual(

    it('exceeds max tx size', async () => {

      const constraints = defaultSelectionConstraints({

-

        buildTx: buildTxOfLength(protocolParameters.maxTxSize! + 1),

+

        buildTx: getBigBabbageTx,

        protocolParameters

});

      expect(await constraints.computeSelectionLimit({ inputs: new Set([1, 2]) as any } as SelectionSkeleton)).toEqual(

a

packages/tx-construction/test/testData.ts

+476/-0

+

import * as Crypto from '@cardano-sdk/crypto';

+

import { Base64Blob, HexBlob } from '@cardano-sdk/util';

+

import { Cardano } from '@cardano-sdk/core';

+

import { generateRandomHexString } from '@cardano-sdk/util-dev';

+

export const rewardAccount = Cardano.RewardAccount('stake1u89sasnfyjtmgk8ydqfv3fdl52f36x3djedfnzfc9rkgzrcss5vgr');

+

export const stakeKeyHash = Cardano.RewardAccount.toHash(rewardAccount);

+

export const poolId = Cardano.PoolId('pool1mpgg03jxj52qwxvvy7cmj58a96vl9pvxcqqvuw0kumheygxmn34');

+

export const vrf = Cardano.VrfVkHex('8dd154228946bd12967c12bedb1cb6038b78f8b84a1760b1a788fa72a4af3db0');

+

export const metadataJson = {

+

  hash: Crypto.Hash32ByteBase16('0f3abbc8fc19c2e61bab6059bf8a466e6e754833a08a62a6c56fe0e78f19d9d5'),

+

  url: 'https://example.com'

+

};

+

+

export const script: Cardano.NativeScript = {

+

  __type: Cardano.ScriptType.Native,

+

  kind: Cardano.NativeScriptKind.RequireAnyOf,

+

  scripts: [

+

+

      __type: Cardano.ScriptType.Native,

+

      keyHash: Crypto.Ed25519KeyHashHex('b275b08c999097247f7c17e77007c7010cd19f20cc086ad99d398538'),

+

      kind: Cardano.NativeScriptKind.RequireSignature

+

},

+

+

      __type: Cardano.ScriptType.Native,

+

      kind: Cardano.NativeScriptKind.RequireAllOf,

+

      scripts: [

+

+

          __type: Cardano.ScriptType.Native,

+

          kind: Cardano.NativeScriptKind.RequireTimeBefore,

+

          slot: Cardano.Slot(3000)

+

},

+

+

          __type: Cardano.ScriptType.Native,

+

          keyHash: Crypto.Ed25519KeyHashHex('966e394a544f242081e41d1965137b1bb412ac230d40ed5407821c37'),

+

          kind: Cardano.NativeScriptKind.RequireSignature

+

},

+

+

          __type: Cardano.ScriptType.Native,

+

          kind: Cardano.NativeScriptKind.RequireTimeAfter,

+

          slot: Cardano.Slot(4000)

+

+

+

+

+

};

+

+

export const mintTokenMap = new Map([

+

  [Cardano.AssetId('2a286ad895d091f2b3d168a6091ad2627d30a72761a5bc36eef00740'), 20n],

+

  [Cardano.AssetId('659f2917fb63f12b33667463ee575eeac1845bbc736b9c0bbc40ba8254534c41'), -50n],

+

  [Cardano.AssetId('7eae28af2208be856f7a119668ae52a49b73725e326dc16579dcc373'), 40n],

+

  [Cardano.AssetId('7eae28af2208be856f7a119668ae52a49b73725e326dc16579dcc373504154415445'), 30n]

+

]);

+

+

export const valueWithAssets = {

+

  assets: new Map([

+

    [Cardano.AssetId('2a286ad895d091f2b3d168a6091ad2627d30a72761a5bc36eef00740'), 20n],

+

    [Cardano.AssetId('659f2917fb63f12b33667463ee575eeac1845bbc736b9c0bbc40ba8254534c41'), 50n],

+

    [Cardano.AssetId('7eae28af2208be856f7a119668ae52a49b73725e326dc16579dcc373'), 40n],

+

    [Cardano.AssetId('7eae28af2208be856f7a119668ae52a49b73725e326dc16579dcc373504154415445'), 30n]

+

]),

+

  coins: 10n

+

};

+

+

export const txIn = {

+

  index: 0,

+

  txId: Cardano.TransactionId('0f3abbc8fc19c2e61bab6059bf8a466e6e754833a08a62a6c56fe0e78f19d9d5')

+

};

+

+

export const txOut: Cardano.TxOut = {

+

  address: Cardano.Address(

+

    'addr_test1qz2fxv2umyhttkxyxp8x0dlpdt3k6cwng5pxj3jhsydzer3jcu5d8ps7zex2k2xt3uqxgjqnnj83ws8lhrn648jjxtwq2ytjqp'

+

),

+

  value: valueWithAssets

+

};

+

+

export const txBody: Cardano.TxBody = {

+

  certificates: [

+

+

      __typename: Cardano.CertificateType.PoolRetirement,

+

      epoch: Cardano.EpochNo(500),

+

      poolId: Cardano.PoolId('pool1y6chk7x7fup4ms9leesdr57r4qy9cwxuee0msan72x976a6u0nc')

+

},

+

+

      __typename: Cardano.CertificateType.GenesisKeyDelegation,

+

      genesisDelegateHash: Crypto.Hash28ByteBase16('a646474b8f5431261506b6c273d307c7569a4eb6c96b42dd4a29520a'),

+

      genesisHash: Crypto.Hash28ByteBase16('0d94e174732ef9aae73f395ab44507bfa983d65023c11a951f0c32e4'),

+

      vrfKeyHash: Crypto.Hash32ByteBase16('03170a2e7597b7b7e3d84c05391d139a62b157e78786d8c082f29dcf4c111314')

+

+

],

+

  collaterals: [{ ...txIn, index: txIn.index + 1 }],

+

  fee: 10n,

+

  inputs: [txIn],

+

  mint: mintTokenMap,

+

  outputs: [txOut],

+

  requiredExtraSignatures: [Crypto.Ed25519KeyHashHex('6199186adb51974690d7247d2646097d2c62763b16fb7ed3f9f55d39')],

+

  scriptIntegrityHash: Crypto.Hash32ByteBase16('6199186adb51974690d7247d2646097d2c62763b16fb7ed3f9f55d38abc123de'),

+

  validityInterval: {

+

    invalidBefore: Cardano.Slot(100),

+

    invalidHereafter: Cardano.Slot(1000)

+

},

+

  withdrawals: [

+

+

      quantity: 5n,

+

      stakeAddress: Cardano.RewardAccount('stake_test1uqfu74w3wh4gfzu8m6e7j987h4lq9r3t7ef5gaw497uu85qsqfy27')

+

+

+

};

+

+

export const simpleTxBody: Cardano.TxBody = {

+

  fee: 10n,

+

  inputs: [txIn],

+

  outputs: [txOut],

+

  validityInterval: {

+

    invalidBefore: Cardano.Slot(100),

+

    invalidHereafter: Cardano.Slot(1000)

+

+

};

+

+

export const babbageTxBody: Cardano.TxBody = {

+

  ...txBody,

+

  collateralReturn: txOut,

+

  referenceInputs: [txIn],

+

  totalCollateral: 100n

+

};

+

+

export const vkey = '6199186adb51974690d7247d2646097d2c62763b767b528816fb7ed3f9f55d39';

+

export const signature =

+

  // eslint-disable-next-line max-len

+

  'bdea87fca1b4b4df8a9b8fb4183c0fab2f8261eb6c5e4bc42c800bb9c8918755bdea87fca1b4b4df8a9b8fb4183c0fab2f8261eb6c5e4bc42c800bb9c8918755';

+

export const tx: Cardano.Tx = {

+

  auxiliaryData: {

+

    body: {

+

      blob: new Map<bigint, Cardano.Metadatum>([

+

        [1n, 1234n],

+

        [2n, 'str'],

+

        [3n, [1234n, 'str']],

+

        [4n, new Uint8Array(Buffer.from('bytes'))],

+

+

5n,

+

          new Map<Cardano.Metadatum, Cardano.Metadatum>([

+

            ['strkey', 123n],

+

            [['listkey'], 'strvalue']

+

])

+

],

+

        [6n, -7n]

+

])

+

+

},

+

  body: txBody,

+

  id: Cardano.TransactionId('8d2feeab1087e0aa4ad06e878c5269eaa2edcef5264bcc97542a28c189b2cbc5'),

+

  witness: {

+

    // bootstrap values from ogmios.wsp.json

+

    bootstrap: [

+

+

        addressAttributes: Base64Blob('oA=='),

+

        chainCode: HexBlob('b6dbf0b03c93afe5696f10d49e8a8304ebfac01deeb8f82f2af5836ebbc1b450'),

+

        key: Crypto.Ed25519PublicKeyHex('deeb8f82f2af5836ebbc1b450b6dbf0b03c93afe5696f10d49e8a8304ebfac01'),

+

        signature: Crypto.Ed25519SignatureHex(

+

          Buffer.from(

+

            'ZGdic3hnZ3RvZ2hkanB0ZXR2dGtjb2N2eWZpZHFxZ2d1cmpocmhxYWlpc3BxcnVlbGh2eXBxeGVld3ByeWZ2dw==',

+

            'base64'

+

          ).toString('hex')

+

+

+

],

+

    datums: [HexBlob('187b')],

+

    redeemers: [

+

+

        data: HexBlob('d86682008101'),

+

        executionUnits: {

+

          memory: 3000,

+

          steps: 7000

+

},

+

        index: 0,

+

        purpose: Cardano.RedeemerPurpose.mint

+

},

+

+

        data: HexBlob('d86682008102'),

+

        executionUnits: {

+

          memory: 5000,

+

          steps: 2000

+

},

+

        index: 1,

+

        purpose: Cardano.RedeemerPurpose.certificate

+

+

],

+

    scripts: [

+

+

        __type: Cardano.ScriptType.Plutus,

+

        bytes: HexBlob('b6dbf0b03c93afe5696f10d49e8a8304ebfac01deeb8f82f2af5836ebbc1b450'),

+

        version: Cardano.PlutusLanguageVersion.V1

+

},

+

+

        __type: Cardano.ScriptType.Plutus,

+

        bytes: HexBlob('b6dbf0b03c93afe5696f10d49e8a8304ebfac01deeb8f82f2af5836ebbc1b450'),

+

        version: Cardano.PlutusLanguageVersion.V2

+

},

+

+

        __type: Cardano.ScriptType.Native,

a

packages/tx-construction/test/tsconfig.json

+11/-0

+

+

  "extends": "../../../test/tsconfig.json",

+

  "compilerOptions": {

+

    "baseUrl": "."

+

},

+

  "references": [

+

+

      "path": "../src"

+

+

+

m

packages/wallet/package.json

+1/-0

    "@cardano-sdk/dapp-connector": "^0.6.1",

    "@cardano-sdk/input-selection": "^0.7.0",

    "@cardano-sdk/key-management": "^0.3.0",

+

    "@cardano-sdk/tx-construction": "^0.1.0",

    "@cardano-sdk/util": "^0.7.0",

    "@cardano-sdk/util-rxjs": "^0.4.3",

    "backoff-rxjs": "^7.0.0",

m

packages/wallet/src/SingleAddressWallet/prepareTx.ts

+11/-14

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Friday, March 31, 2023

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