Examples use-cases - get blocks #80
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Sequence Diagram(s)sequenceDiagram
participant User
participant GetBlockAccessAPIConnector
participant FlowAccessApi
User->>GetBlockAccessAPIConnector: Request latest sealed block
GetBlockAccessAPIConnector->>FlowAccessApi: Call getLatestBlock(isSealed=true)
FlowAccessApi-->>GetBlockAccessAPIConnector: Return latest block data
GetBlockAccessAPIConnector-->>User: Provide latest sealed block
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SDK Examples Unit Test Results12 files 12 suites 2m 51s ⏱️ Results for commit 2c0710a. ♻️ This comment has been updated with latest results. |
Common Integration Test Results1 files 1 suites 7s ⏱️ Results for commit 2c0710a. ♻️ This comment has been updated with latest results. |
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Files selected for processing (4)
- README.md (1 hunks)
- common/src/testFixtures/kotlin/org/onflow/flow/common/test/FlowTestUtil.kt (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/get_block/GetBlockAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/get_block/GetBlockAccessAPIConnectorTest.kt (1 hunks)
Files skipped from review due to trivial changes (2)
- README.md
- common/src/testFixtures/kotlin/org/onflow/flow/common/test/FlowTestUtil.kt
Additional comments not posted (6)
kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/get_block/GetBlockAccessAPIConnector.kt (3)
9-15: LGTM!The method correctly retrieves the latest sealed block and handles API responses effectively.
17-22: LGTM!The method correctly fetches a block by ID and handles API responses appropriately.
24-29: LGTM!The method correctly retrieves a block by height and handles API responses effectively.
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/get_block/GetBlockAccessAPIConnectorTest.kt (3)
25-32: Test is well-structured!The test effectively verifies that the latest sealed block can be fetched and checks its properties.
34-43: Test is well-structured!The test correctly verifies that a block can be fetched by ID and compares its properties to the latest block.
45-53: Test is well-structured!The test effectively verifies that a block can be fetched by height and checks its properties against the latest block.
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- java-example/src/main/java/org/onflow/examples/java/get_block/GetBlockAccessAPIConnector.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/get_block/GetBlockAccessAPIConnectorTest.java (1 hunks)
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java-example/src/main/java/org/onflow/examples/java/get_block/GetBlockAccessAPIConnector.java (3)
13-23: LGTM: Correctly retrieves the latest sealed block.The method effectively retrieves the latest sealed block and handles potential errors by throwing a runtime exception with a detailed message.
25-34: LGTM: Correctly retrieves a block by ID.The method effectively retrieves a block by its ID and handles potential errors by throwing a runtime exception with a detailed message.
36-45: LGTM: Correctly retrieves a block by height.The method effectively retrieves a block by its height and handles potential errors by throwing a runtime exception with a detailed message.
java-example/src/test/java/org/onflow/examples/java/get_block/GetBlockAccessAPIConnectorTest.java (3)
26-33: LGTM: Validates fetching the latest sealed block.The test correctly verifies that the latest sealed block is fetched and checks essential properties like ID, height, and timestamp.
35-44: LGTM: Validates fetching a block by ID.The test ensures that a block can be fetched by its ID and verifies that its properties match those of the latest block.
46-54: LGTM: Validates fetching a block by height.The test correctly verifies that a block can be fetched by its height and checks that its properties match those of the latest block.
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Files selected for processing (4)
- java-example/src/main/java/org/onflow/examples/java/getBlock/GetBlockAccessAPIConnector.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/getBlock/GetBlockAccessAPIConnectorTest.java (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getBlock/GetBlockAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getBlock/GetBlockAccessAPIConnectorTest.kt (1 hunks)
Additional comments not posted (15)
kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getBlock/GetBlockAccessAPIConnector.kt (3)
8-14: LGTM!The
getLatestSealedBlockmethod is well-implemented, using awhenexpression to handle success and error responses appropriately.
16-21: LGTM!The
getBlockByIDmethod correctly handles API responses with awhenexpression, ensuring consistent error handling.
23-28: LGTM!The
getBlockByHeightmethod is consistent with the other methods, using awhenexpression for response handling.java-example/src/main/java/org/onflow/examples/java/getBlock/GetBlockAccessAPIConnector.java (3)
13-23: LGTM!The
getLatestSealedBlockmethod is well-implemented, using anifstatement to handle success and error responses appropriately.
25-34: LGTM!The
getBlockByIDmethod correctly handles API responses with anifstatement, ensuring consistent error handling.
36-45: LGTM!The
getBlockByHeightmethod is consistent with the other methods, using anifstatement for response handling.kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getBlock/GetBlockAccessAPIConnectorTest.kt (3)
23-30: LGTM!The test method
Can fetch the latest sealed blockprovides adequate coverage and assertions for the block's properties.
32-41: LGTM!The test method
Can fetch a block by IDensures the correctness of fetching a block by ID, with appropriate assertions.
43-51: LGTM!The test method
Can fetch a block by heightensures the correctness of fetching a block by height, with appropriate assertions.java-example/src/test/java/org/onflow/examples/java/getBlock/GetBlockAccessAPIConnectorTest.java (6)
3-11: Imports are appropriate.All imports are necessary for the functionality of the test class.
13-14: Class declaration and annotations are appropriate.The use of
@FlowEmulatorProjectTestand@FlowTestClientis suitable for this test setup.
21-24: Setup method is correctly implemented.The
setupmethod properly initializesGetBlockAccessAPIConnectorwithaccessAPI.
26-33: Test for fetching the latest sealed block is well-implemented.The test checks essential properties of the latest sealed block, ensuring its validity.
35-44: Test for fetching block by ID is comprehensive.The test ensures that the block fetched by ID matches the latest block in all key properties.
46-54: Test for fetching block by height is well-structured.The test ensures that the block fetched by height matches the latest block in all key properties.
Examples use-cases - get network parameters
Examples use-cases - get event
Examples use-cases - get transaction
Examples use-cases - get account
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Actionable comments posted: 12
Outside diff range, codebase verification and nitpick comments (11)
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.kt (1)
11-12: Consider using a more descriptive class name.The class name
GetNetworkParametersAccessAPIConnectorTestcould be more descriptive to reflect the specific functionality being tested, such asNetworkParametersAccessAPIConnectorTest.java-example/src/test/java/org/onflow/examples/java/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.java (1)
12-13: Consider using a more descriptive class name.The class name
GetNetworkParametersAccessAPIConnectorTestcould be more descriptive to reflect the specific functionality being tested, such asNetworkParametersAccessAPIConnectorTest.java-example/src/main/java/org/onflow/examples/java/getAccount/GetAccountAccessAPIConnector.java (1)
14-22: Consider using a more specific exception type.Currently, the method throws a
RuntimeExceptionfor error responses. Consider defining and using a more specific exception type to provide better context for error handling.// Example: Define a custom exception public class FlowAccessApiException extends Exception { public FlowAccessApiException(String message, Throwable cause) { super(message, cause); } } // Use the custom exception throw new FlowAccessApiException(errorResponse.getMessage(), errorResponse.getThrowable());java-example/src/test/java/org/onflow/examples/java/getAccount/GetAccountAccessAPIConnectorTest.java (2)
31-39: Ensure comprehensive test coverage.The test cases for fetching accounts from the latest block and by block height are well-structured. However, consider adding tests for edge cases, such as handling non-existent accounts or invalid block heights, to ensure robustness.
52-58: Consider testing edge cases for account balance retrieval.The test for fetching account balance checks for non-null and non-negative values. Consider adding tests for scenarios where the account might not exist or the balance retrieval fails.
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getEvent/GetEventAccessAPIConnectorTest.kt (3)
41-47: Add edge case tests for event retrieval by height range.The test for
getEventsForHeightRangeis well-structured. Consider adding edge cases, such as invalid height ranges or non-existent event types, to ensure comprehensive coverage.
49-62: Consider adding tests for empty block IDs.The test for
getEventsForBlockIdsis comprehensive, but consider adding scenarios where the block ID list is empty or contains invalid IDs to ensure robustness.
76-88: Ensure expected event types are comprehensive.The test for transaction result events checks for expected event types. Verify that all possible event types are covered, and consider adding a test for unexpected event types.
java-example/src/test/java/org/onflow/examples/java/getEvent/GetEventAccessAPIConnectorTest.java (3)
44-50: Add edge case tests for event retrieval by height range.The test for
getEventsForHeightRangeis well-structured. Consider adding edge cases, such as invalid height ranges or non-existent event types, to ensure comprehensive coverage.
52-74: Consider adding tests for empty or invalid block IDs.The test for
getEventsForBlockIdsis comprehensive, but consider adding scenarios where the block ID list is empty or contains invalid IDs to ensure robustness.
88-100: Ensure comprehensive coverage of expected event types.The test for transaction result events checks for expected event types. Verify that all possible event types are covered, and consider adding a test for unexpected event types.
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Files selected for processing (20)
- java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (3 hunks)
- java-example/src/main/java/org/onflow/examples/java/getAccount/GetAccountAccessAPIConnector.java (1 hunks)
- java-example/src/main/java/org/onflow/examples/java/getEvent/GetEventAccessAPIConnector.java (1 hunks)
- java-example/src/main/java/org/onflow/examples/java/getNetworkParams/GetNetworkParametersAccessAPIConnector.java (1 hunks)
- java-example/src/main/java/org/onflow/examples/java/getTransaction/GetTransactionAccessAPIConnector.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/getAccount/GetAccountAccessAPIConnectorTest.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/getEvent/GetEventAccessAPIConnectorTest.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.java (1 hunks)
- java-example/src/test/java/org/onflow/examples/java/getTransaction/GetTransactionAccessAPIConnectorTest.java (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/AccessAPIConnector.kt (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getAccount/GetAccountAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getEvent/GetEventAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getNetworkParams/GetNetworkParametersAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getTransaction/GetTransactionAccessAPIConnector.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getAccount/GetAccountAccessAPIConnectorTest.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getEvent/GetEventAccessAPIConnectorTest.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.kt (1 hunks)
- kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getTransaction/GetTransactionAccessAPIConnectorTest.kt (1 hunks)
- sdk/src/intTest/org/onflow/flow/sdk/transaction/TransactionIntegrationTest.kt (1 hunks)
- sdk/src/test/kotlin/org/onflow/flow/sdk/impl/FlowAccessApiImplTest.kt (1 hunks)
Files skipped from review due to trivial changes (1)
- sdk/src/test/kotlin/org/onflow/flow/sdk/impl/FlowAccessApiImplTest.kt
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Learnings (3)
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getAccount/GetAccountAccessAPIConnectorTest.kt (1)
Learnt from: franklywatson PR: onflow/flow-jvm-sdk#55 File: src/intTest/org/onflow/flow/sdk/ExposeAccountKeyIssueTest.kt:151-152 Timestamp: 2024-07-04T05:15:46.310Z Learning: When reviewing test code, avoid recommending additional exception handling if it might obscure the actual failure points and over-sensitize the process.sdk/src/intTest/org/onflow/flow/sdk/transaction/TransactionIntegrationTest.kt (1)
Learnt from: lealobanov PR: onflow/flow-jvm-sdk#55 File: src/intTest/org/onflow/flow/sdk/transaction/TransactionIntegrationTest.kt:95-106 Timestamp: 2024-07-03T12:30:04.496Z Learning: In the `TransactionIntegrationTest` class, exception handling is implemented using `IntegrationTestUtils.handleResult`.java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (1)
Learnt from: lealobanov PR: onflow/flow-jvm-sdk#67 File: java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java:103-103 Timestamp: 2024-08-02T18:59:04.927Z Learning: Logging public keys during debugging can aid in troubleshooting but should be removed or secured before moving to production environments to avoid potential security risks.
Additional comments not posted (21)
kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getAccount/GetAccountAccessAPIConnector.kt (1)
23-26: Ensure account balance retrieval handles null values.The method
getAccountBalanceretrieves the balance from the account object. Ensure that theaccountobject and itsbalanceproperty are not null to prevent potentialNullPointerException.kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.kt (1)
23-30: Test assertions look good.The test method
Can fetch network parameterscorrectly checks for non-nullity, valid ID, and expected values of network parameters. The assertions are clear and appropriate.java-example/src/test/java/org/onflow/examples/java/getNetworkParams/GetNetworkParametersAccessAPIConnectorTest.java (1)
25-32: Test assertions look good.The test method
canFetchNetworkParameterscorrectly checks for non-nullity, valid ID, and expected values of network parameters. The assertions are clear and appropriate.java-example/src/main/java/org/onflow/examples/java/getTransaction/GetTransactionAccessAPIConnector.java (1)
8-14: Constructor initialization looks good.The constructor correctly initializes the
accessAPIfield, ensuring that the API connector is ready for use.kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/getEvent/GetEventAccessAPIConnector.kt (1)
5-7: Constructor initialization looks good.The primary constructor correctly initializes the
accessAPIfield, ensuring that the API connector is ready for use.java-example/src/main/java/org/onflow/examples/java/getAccount/GetAccountAccessAPIConnector.java (2)
24-32: Consider using a more specific exception type.Currently, the method throws a
RuntimeExceptionfor error responses. Consider defining and using a more specific exception type to provide better context for error handling.
34-37: LGTM!The method correctly retrieves the account balance. No issues found.
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getAccount/GetAccountAccessAPIConnectorTest.kt (3)
25-33: LGTM!The test effectively verifies fetching an account from the latest block with appropriate assertions.
35-43: LGTM!The test effectively verifies fetching an account from a block by height with appropriate assertions.
45-52: LGTM!The test correctly verifies fetching the account balance with appropriate assertions.
kotlin-example/src/test/kotlin/org/onflow/examples/kotlin/getTransaction/GetTransactionAccessAPIConnectorTest.kt (2)
40-46: LGTM!The test effectively verifies fetching a transaction with appropriate assertions.
48-54: LGTM!The test correctly verifies fetching a transaction result with appropriate assertions.
java-example/src/test/java/org/onflow/examples/java/getTransaction/GetTransactionAccessAPIConnectorTest.java (2)
47-53: LGTM!The test effectively verifies fetching a transaction with appropriate assertions.
55-61: LGTM!The test correctly verifies fetching a transaction result with appropriate assertions.
kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/AccessAPIConnector.kt (2)
104-137: LGTM!The
sendSampleTransactionfunction is well-structured and correctly handles transaction creation and sending.
145-145: LGTM!The removal of the unnecessary variable assignment in
transferTokenssimplifies the code without affecting functionality.sdk/src/intTest/org/onflow/flow/sdk/transaction/TransactionIntegrationTest.kt (1)
27-27: LGTM!Updating the error message to specify a failure to ping the emulator aligns with the test's context and improves clarity.
java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (4)
85-92: LGTM!The addition of an assertion to ensure the address is not null improves the robustness of the
getAccountCreatedAddressmethod.
Line range hint
107-123: LGTM!The
createTransactionmethod improves modularity and reduces code duplication by centralizing transaction creation logic.
125-129: LGTM!The
signAndSendTransactionmethod effectively consolidates signing and sending logic, improving readability and maintainability.
131-153: LGTM!The refactoring of
createAccountand the introduction ofsendSampleTransactionenhance code clarity and reduce duplication by leveraging new helper methods.
...kotlin/org/onflow/examples/kotlin/getNetworkParams/GetNetworkParametersAccessAPIConnector.kt
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java-example/src/main/java/org/onflow/examples/java/getEvent/GetEventAccessAPIConnector.java
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| public List<FlowEventResult> getEventsForBlockIds(String eventType, List<FlowId> blockIds) { | ||
| Set<FlowId> blockIdSet = new HashSet<>(blockIds); | ||
| FlowAccessApi.AccessApiCallResponse<List<FlowEventResult>> response = accessAPI.getEventsForBlockIds(eventType, blockIdSet); | ||
| if (response instanceof FlowAccessApi.AccessApiCallResponse.Success) { | ||
| return ((FlowAccessApi.AccessApiCallResponse.Success<List<FlowEventResult>>) response).getData(); | ||
| } else if (response instanceof FlowAccessApi.AccessApiCallResponse.Error errorResponse) { | ||
| throw new RuntimeException(errorResponse.getMessage(), errorResponse.getThrowable()); | ||
| } else { | ||
| throw new RuntimeException("Unknown response type"); | ||
| } | ||
| } |
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Enhance type safety with Java Generics.
In getEventsForBlockIds, consider using Java Generics to improve type safety and reduce casting.
// Current casting
return ((FlowAccessApi.AccessApiCallResponse.Success<List<FlowEventResult>>) response).getData();
// Suggested use of generics
if (response instanceof FlowAccessApi.AccessApiCallResponse.Success<List<FlowEventResult>> successResponse) {
return successResponse.getData();
}
java-example/src/main/java/org/onflow/examples/java/getEvent/GetEventAccessAPIConnector.java
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Files selected for processing (2)
- java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (3 hunks)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/AccessAPIConnector.kt (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- kotlin-example/src/main/kotlin/org/onflow/examples/kotlin/AccessAPIConnector.kt
Additional context used
Learnings (1)
java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (1)
Learnt from: lealobanov PR: onflow/flow-jvm-sdk#67 File: java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java:103-103 Timestamp: 2024-08-02T18:59:04.927Z Learning: Logging public keys during debugging can aid in troubleshooting but should be removed or secured before moving to production environments to avoid potential security risks.
Additional comments not posted (4)
java-example/src/main/java/org/onflow/examples/java/AccessAPIConnector.java (4)
Line range hint
107-123: Good encapsulation of transaction creation logic.The
createTransactionmethod effectively encapsulates the logic for creating aFlowTransactionobject, enhancing modularity and readability.
131-139: RefactoredcreateAccountfor improved modularity.The
createAccountmethod now usescreateTransactionandsignAndSendTransaction, reducing duplication and enhancing modularity.Verify that the script
cadence/create_account.cdcis correctly located and accessible.Run the following script to verify the script's accessibility:
Verification successful
Script
create_account.cdcis accessible and correctly located.The script
create_account.cdcis found atcommon/src/main/resources/cadence/create_account.cdc, confirming its accessibility for use in thecreateAccountmethod.
- Location:
common/src/main/resources/cadence/create_account.cdcScripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the accessibility of `cadence/create_account.cdc`. # Test: Check if the script file exists. Expect: File should be found. fd 'create_account.cdc' --type fLength of output: 149
144-152: Well-structuredsendSampleTransactionmethod.The
sendSampleTransactionmethod is similar tocreateAccountbut returns the transaction ID, serving a different use case.Ensure that the script
cadence/create_account.cdcis consistently used and accessible.Run the following script to verify the script's consistency:
125-129: Simplified transaction signing and sending.The
signAndSendTransactionmethod effectively consolidates the signing and sending process, improving code clarity.Ensure that the
sendTransactionmethod handles errors appropriately.Run the following script to verify error handling in
sendTransaction:Verification successful
Error handling in
sendTransactionis appropriate.The
sendTransactionmethod checks for success and throws aRuntimeExceptionwith detailed error information if the transaction fails. This ensures that errors are properly managed and communicated.
- Lines 173-179 in
AccessAPIConnector.javaconfirm the presence of error handling.Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify error handling in `sendTransaction`. # Test: Search for error handling in `sendTransaction`. Expect: Proper handling of error responses. rg --type java 'private FlowId sendTransaction'Length of output: 182
Script:
#!/bin/bash # Extract the full implementation of the `sendTransaction` method to review error handling. ast-grep --lang java --pattern $'private FlowId sendTransaction(FlowTransaction tx) { $$$ }'Length of output: 1273
Description
Get blocks
-Get the latest sealed block
-Get the block by ID
-Get the block by height
To-do: refactor get_blocks package name to not use underscores
For contributor use:
masterbranchFiles changedin the Github PR explorerSummary by CodeRabbit
Summary by CodeRabbit
New Features
GetBlockAccessAPIConnectorclass to interact with the blockchain access API, enabling methods to retrieve block information.sendSampleTransactionfunction to theAccessAPIConnectorclass for creating and sending transactions on the Flow blockchain.Bug Fixes
Tests
GetBlockAccessAPIConnectorto ensure functionality for retrieving the latest sealed block, fetching blocks by ID, and fetching blocks by height.