Created
September 18, 2024 12:54
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| // the handler | |
| const handleTransfer = async ({ | |
| event, | |
| context, | |
| }: { | |
| event: eventLog<Hub_HubTransfer_eventArgs | PersonalCRC_Transfer_eventArgs>; | |
| context: handlerContext; | |
| }) => { | |
| const entity: Hub_Transfer = { | |
| id: event.transaction.hash, | |
| from: event.params.from, | |
| to: event.params.to, | |
| amount: event.params.amount, | |
| }; | |
| context.Hub_Transfer.set(entity); | |
| const personalCRC = await context.Hub_PersonalCRC.get(event.params.to); | |
| let newBalance = event.params.amount; | |
| if (personalCRC) { | |
| newBalance += personalCRC.balance; | |
| } | |
| context.Hub_PersonalCRC.set({ | |
| id: event.params.to, | |
| balance: newBalance, | |
| }); | |
| if (event.params.from !== zeroAddress) { | |
| const personalCRC = await context.Hub_PersonalCRC.get(event.params.from); | |
| let newBalance = event.params.amount; | |
| if (personalCRC) { | |
| newBalance -= personalCRC.balance; | |
| } | |
| context.Hub_PersonalCRC.set({ | |
| id: event.params.from, | |
| balance: newBalance, | |
| }); | |
| } | |
| }; | |
| PersonalCRC.Transfer.handler(handleTransfer); | |
| Hub.HubTransfer.handler(handleTransfer); | |
| // the test | |
| describe("Transfer", () => { | |
| const mockDb = MockDb.createMockDb(); | |
| it("Signup and Transfer", async () => { | |
| // signup | |
| const eventUser1 = Hub.Signup.createMockEvent({ | |
| token, | |
| user: user1, | |
| }); | |
| await Hub.Signup.processEvent({ | |
| event: eventUser1, | |
| mockDb, | |
| }); | |
| const eventUser2 = Hub.Signup.createMockEvent({ | |
| token: token2, | |
| user: user2, | |
| }); | |
| await Hub.Signup.processEvent({ | |
| event: eventUser2, | |
| mockDb, | |
| }); | |
| // initial funds | |
| const eventFundUser1 = Hub.HubTransfer.createMockEvent({ | |
| amount: parseEther("20"), | |
| from: zeroAddress, | |
| to: user1, | |
| }); | |
| await Hub.HubTransfer.processEvent({ | |
| event: eventFundUser1, | |
| mockDb, | |
| }); | |
| const eventFundUser2 = Hub.HubTransfer.createMockEvent({ | |
| amount: parseEther("20"), | |
| from: zeroAddress, | |
| to: user2, | |
| }); | |
| await Hub.HubTransfer.processEvent({ | |
| event: eventFundUser2, | |
| mockDb, | |
| }); | |
| // actual test | |
| const eventTransfer = Hub.HubTransfer.createMockEvent({ | |
| amount: parseEther("5"), | |
| from: user1, | |
| to: user2, | |
| }); | |
| const mockDbUpdated = await Hub.HubTransfer.processEvent({ | |
| event: eventTransfer, | |
| mockDb, | |
| }); | |
| let actualPersonalCRCUser1 = mockDbUpdated.entities.Hub_PersonalCRC.get(user1); | |
| let actualPersonalCRCUser2 = mockDbUpdated.entities.Hub_PersonalCRC.get(user2); | |
| let actualHubHubTransfer = mockDbUpdated.entities.Hub_Transfer.get( | |
| `${eventTransfer.transaction.hash}` | |
| ); | |
| const expectedPersonalCRCUser1 = { | |
| id: user1, | |
| balance: parseEther("15"), | |
| }; | |
| const expectedPersonalCRCUser2 = { | |
| id: user2, | |
| balance: parseEther("25"), | |
| }; | |
| const expectedHubHubTransfer: Hub_Transfer = { | |
| id: `${eventTransfer.transaction.hash}`, | |
| amount: parseEther("5"), | |
| from: user1, | |
| to: user2, | |
| }; | |
| // Asserting that the entity in the mock database is the same as the expected entity | |
| assert.deepEqual( | |
| actualHubHubTransfer, | |
| expectedHubHubTransfer, | |
| "Actual HubHubTransfer should be the same as the expectedHubHubTransfer" | |
| ); | |
| assert.deepEqual( | |
| actualPersonalCRCUser1, | |
| expectedPersonalCRCUser1, | |
| "Actual PersonalCRC1 should be the same as the expectedPersonalCRC1" | |
| ); | |
| assert.deepEqual( | |
| actualPersonalCRCUser2, | |
| expectedPersonalCRCUser2, | |
| "Actual PersonalCRC2 should be the same as the expectedPersonalCRC2" | |
| ); | |
| }); | |
| }); |
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