feat(cli): get block by number #112
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- Columnize() is using text/tabwriter standard library to print fields and vertically aligned in columns, split by the `|` delimiter character. - GetValueByJSONTag() recursively search for a string key within the JSON tags of a given object to return the value associated with it. This metho d is used with command flags like `--field` where a single return value is expected. - The format for the printing - minwidth, tabwidth, padding, padchar - is configurable. - FromStruct() converts a struct into a Printable using, when available, JSON field names as keys. - customFormat() is an utility function to format numbers and avoid scientific notation and ensure they are printed as integers.
- Support for block header - Support for full block - Support for JSON formatted result - Support for single-field result
pkieltyka
approved these changes
Jan 10, 2024
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Description
Initial implementation of the eth_getBlockByNumber JSON-RPC call for ethkit CLI.
Depends on #111
Key features
TODOs & known issues
totalDifficultyfield has to be implementedCurrently, the- fixed in 4663b82withdrawalsfield returns an empty list when a non-empty result is expectedearliest,latest,pending,finalized,safe- are currently not supportedextraDatais printed as a string encoded in base64 (expected: hex-encoded)Examples
Retrieve the block header for block
18855325on mainnet network viahttps://nodes.sequence.app/mainnetRPC endpoint and print the result in console formatted in columns with the same width:Retrieve the
timestampfor block18855325on mainnet network viahttps://nodes.sequence.app/mainnetRPC endpoint and print the result in console as a single-value field:Retrieve the full block information for block
18855325on mainnet network viahttps://nodes.sequence.app/mainnetRPC endpoint and print the result in console formatted in columns with the same width:Retrieve the full block information for block
18855325on mainnet network viahttps://nodes.sequence.app/mainnetRPC endpoint and print the result in console as a prettified JSON: