feat: add validateAvaxBurnedAmountEtna

src/fixtures/info.ts

@@ -0,0 +1,16 @@
+export const upgradesInfo = {
+  apricotPhaselTime: '2020-12-05T05:00:00Z',
+  apricotPhase2Time: '2020-12-05T05:00:00Z',
+  apricotPhase3Time: '2020-12-05T05:00:00Z',
+  apricotPhase4Time: '2020-12-05T05:00:00Z',
+  apricotPhase4MinPChainHeight: 0,
+  apricotPhase5Time: '2020-12-05T05:00:00Z',
+  apricotPhasePre6Time: '2020-12-05T05:00:00Z',
+  apricotPhase6Time: '2020-12-05T05:00:00Z',
+  apricotPhasePost6Time: '2020-12-05T05:00:00Z',
+  banffTime: '2020-12-05T05:00:00Z',
+  cortinaTime: '2020-12-05T05:00:00Z',
+  cortinaXChainStopVertexID: '11111111111111111111111111111111LpoYY',
+  durangoTime: '2020-12-05T05:00:00Z',
+  etnaTime: '2020-12-05T05:00:00Z',
+};

src/utils/index.ts

@@ -14,4 +14,5 @@ export * from './getTransferableOutputsByTx';
 export * from './getUtxoInfo';
 export * from './getBurnedAmountByTx';
 export * from './validateBurnedAmount';
+export * from './isEtnaEnabled';
 export { unpackWithManager, getManagerForVM, packTx } from './packTx';

src/utils/isEtnaEnabled.ts

@@ -0,0 +1,8 @@
+import type { GetUpgradesInfoResponse } from '../info/model';
+
+export const isEtnaEnabled = (
+  upgradesInfo: GetUpgradesInfoResponse,
+): boolean => {
+  const { etnaTime } = upgradesInfo;
+  return new Date(etnaTime) < new Date();
+};

src/utils/validateAvaxBurnedAmountEtna.test.ts

@@ -0,0 +1,265 @@
+import { testAddress1, testAddress2 } from '../fixtures/vms';
+import { testContext } from '../fixtures/context';
+import { Utxo } from '../serializable/avax/utxo';
+import { utxoId } from '../fixtures/avax';
+import { Address, Id } from '../serializable/fxs/common';
+import { OutputOwners, TransferOutput } from '../serializable/fxs/secp256k1';
+import { BigIntPr, Int } from '../serializable/primitives';
+import {
+  newBaseTx as avmBaseTx,
+  newExportTx as avmExportTx,
+  newImportTx as avmImportTx,
+} from '../vms/avm';
+import {
+  newBaseTx as pvmBaseTx,
+  newExportTx as pvmExportTx,
+  newImportTx as pvmImportTx,
+  newCreateSubnetTx,
+  newCreateBlockchainTx,
+  newAddSubnetValidatorTx,
+  newAddPermissionlessValidatorTx,
+  newAddPermissionlessDelegatorTx,
+  newRemoveSubnetValidatorTx,
+  newTransferSubnetOwnershipTx,
+} from '../vms/pvm';
+import { TransferableOutput } from '../serializable';
+import { nodeId } from '../fixtures/common';
+import { feeState as testFeeState } from '../fixtures/pvm';
+import { testSubnetId } from '../fixtures/transactions';
+import { blsPublicKeyBytes, blsSignatureBytes } from '../fixtures/primitives';
+import { validateAvaxBurnedAmountEtna } from './validateAvaxBurnedAmountEtna';
+
+const incorrectBurnedAmount = 1n;
+const correctBurnedAmount = 1000000n;
+
+const utxoMock = new Utxo(
+  utxoId(),
+  Id.fromString(testContext.avaxAssetID),
+  new TransferOutput(
+    new BigIntPr(1000000000000n),
+    new OutputOwners(new BigIntPr(0n), new Int(1), [
+      Address.fromBytes(testAddress1)[0],
+    ]),
+  ),
+);
+
+const outputMock = new TransferableOutput(
+  Id.fromString(testContext.avaxAssetID),
+  new TransferOutput(
+    new BigIntPr(100000000n),
+    new OutputOwners(new BigIntPr(0n), new Int(1), [
+      Address.fromBytes(testAddress2)[0],
+    ]),
+  ),
+);
+
+describe('validateAvaxBurnedAmountEtna', () => {
+  describe('unsupported tx types post-enta', () => {
+    const unsupportedTestData = [
+      {
+        name: 'base tx on X',
+        unsignedTx: avmBaseTx(
+          testContext,
+          [testAddress1],
+          [utxoMock],
+          [outputMock],
+        ),
+      },
+      {
+        name: 'export from X',
+        unsignedTx: avmExportTx(
+          testContext,
+          'P',
+          [testAddress1],
+          [utxoMock],
+          [outputMock],
+        ),
+      },
+      {
+        name: 'import from X',
+        unsignedTx: avmImportTx(
+          testContext,
+          'P',
+          [utxoMock],
+          [testAddress2],
+          [testAddress1],
+        ),
+      },
+    ];
+    describe.each(unsupportedTestData)('$name', ({ unsignedTx }) => {
+      it('throws an error if tx type is not supported', () => {
+        try {
+          validateAvaxBurnedAmountEtna({
+            unsignedTx,
+            context: testContext,
+            burnedAmount: correctBurnedAmount,
+            feeState: testFeeState(),
+          });
+        } catch (error) {
+          expect((error as Error).message).toEqual(
+            'Unsupported transaction type.',
+          );
+        }
+      });
+    });
+  });
+
+  const testData = [
+    {
+      name: 'base tx on P',
+      unsignedTx: pvmBaseTx(
+        testContext,
+        [testAddress1],
+        [utxoMock],
+        [outputMock],
+      ),
+    },
+    {
+      name: 'export from P',
+      unsignedTx: pvmExportTx(
+        testContext,
+        'C',
+        [testAddress1],
+        [utxoMock],
+        [outputMock],
+      ),
+    },
+    {
+      name: 'import to P',
+      unsignedTx: pvmImportTx(
+        testContext,
+        'C',
+        [utxoMock],
+        [testAddress2],
+        [testAddress1],
+      ),
+    },
+    {
+      name: 'create subnet',
+      unsignedTx: newCreateSubnetTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        [testAddress1],
+      ),
+    },
+    {
+      name: 'create blockchain',
+      unsignedTx: newCreateBlockchainTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        'subnet',
+        'chain',
+        'vm',
+        ['fx1', 'fx2'],
+        {},
+        [0],
+      ),
+    },
+    {
+      name: 'add subnet validator',
+      unsignedTx: newAddSubnetValidatorTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        nodeId().toString(),
+        0n,
+        1n,
+        2n,
+        'subnet',
+        [0],
+      ),
+    },
+    {
+      name: 'remove subnet validator',
+      unsignedTx: newRemoveSubnetValidatorTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        nodeId().toString(),
+        Id.fromHex(testSubnetId).toString(),
+        [0],
+      ),
+    },
+    {
+      name: 'add permissionless validator (subnet)',
+      unsignedTx: newAddPermissionlessValidatorTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        nodeId().toString(),
+        Id.fromHex(testSubnetId).toString(),
+        0n,
+        120n,
+        1800000n,
+        [],
+        [],
+        1,
+        {},
+        1,
+        0n,
+        blsPublicKeyBytes(),
+        blsSignatureBytes(),
+      ),
+    },
+    {
+      name: 'add permissionless delegator (subnet)',
+      unsignedTx: newAddPermissionlessDelegatorTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        nodeId().toString(),
+        Id.fromHex(testSubnetId).toString(),
+        0n,
+        120n,
+        1800000n,
+        [],
+        {},
+        1,
+        0n,
+      ),
+    },
+    {
+      name: 'transfer subnet ownership',
+      unsignedTx: newTransferSubnetOwnershipTx(
+        testContext,
+        [utxoMock],
+        [testAddress1],
+        Id.fromHex(testSubnetId).toString(),
+        [0, 2],
+        [testAddress2],
+      ),
+    },
+  ];
+
+  describe.each(testData)('$name', ({ unsignedTx }) => {
+    it('returns true if burned amount is correct', () => {
+      const result = validateAvaxBurnedAmountEtna({
+        unsignedTx,
+        context: testContext,
+        burnedAmount: correctBurnedAmount,
+        feeState: testFeeState(),
+      });
+
+      expect(result).toStrictEqual({
+        isValid: true,
+        txFee: correctBurnedAmount,
+      });
+    });
+
+    it('returns false if burned amount is not correct', () => {
+      const result = validateAvaxBurnedAmountEtna({
+        unsignedTx,
+        context: testContext,
+        burnedAmount: incorrectBurnedAmount,
+        feeState: { ...testFeeState(), price: 10_000n },
+      });
+
+      expect(result).toStrictEqual({
+        isValid: false,
+        txFee: incorrectBurnedAmount,
+      });
+    });
+  });
+});

src/utils/validateAvaxBurnedAmountEtna.ts

@@ -0,0 +1,58 @@
+import type { Context } from '../vms/context/model';
+import {
+  isAddPermissionlessDelegatorTx,
+  isAddPermissionlessValidatorTx,
+  isAddSubnetValidatorTx,
+  isCreateChainTx,
+  isCreateSubnetTx,
+  isPvmBaseTx,
+  isExportTx as isPvmExportTx,
+  isImportTx as isPvmImportTx,
+  isRemoveSubnetValidatorTx,
+  isTransferSubnetOwnershipTx,
+} from '../serializable/pvm';
+import type { UnsignedTx } from '../vms/common';
+import type { FeeState } from '../vms/pvm';
+import { calculateFee } from '../vms/pvm/txs/fee/calculator';
+
+export const validateAvaxBurnedAmountEtna = ({
+  unsignedTx,
+  context,
+  burnedAmount,
+  feeState,
+}: {
+  unsignedTx: UnsignedTx;
+  context: Context;
+  burnedAmount: bigint;
+  feeState: FeeState;
+}): { isValid: boolean; txFee: bigint } => {
+  const tx = unsignedTx.getTx();
+
+  const expectedFee = calculateFee(
+    unsignedTx.getTx(),
+    context.platformFeeConfig.weights,
+    feeState.price < context.platformFeeConfig.minPrice
+      ? context.platformFeeConfig.minPrice
+      : feeState.price,
+  );
+
+  if (
+    isPvmBaseTx(tx) ||
+    isPvmExportTx(tx) ||
+    isPvmImportTx(tx) ||
+    isAddPermissionlessValidatorTx(tx) ||
+    isAddPermissionlessDelegatorTx(tx) ||
+    isAddSubnetValidatorTx(tx) ||
+    isCreateChainTx(tx) ||
+    isCreateSubnetTx(tx) ||
+    isRemoveSubnetValidatorTx(tx) ||
+    isTransferSubnetOwnershipTx(tx)
+  ) {
+    return {
+      isValid: burnedAmount >= expectedFee,
+      txFee: burnedAmount,
+    };
+  }
+
+  throw new Error(`tx type is not supported`);
+};