TraceBlock implements the `debug_traceBlockByNumber` and `debug_traceBlockByHash` rpc api

tracer is a custom javascript tracer

timeout overrides the default timeout of 5 seconds for JavaScript-based tracing calls

reexec defines the number of blocks the tracer is willing to go back

disable_stack switches stack capture

disable_storage switches storage capture

debug can be used to print output during capture end

limit defines the maximum length of output, but zero means unlimited

homestead_block switch (nil no fork, 0 = already homestead)

dao_fork_block corresponds to TheDAO hard-fork switch block (nil no fork)

dao_fork_support defines whether the nodes supports or opposes the DAO hard-fork

eip150_block: EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150) EIP150 HF block (nil no fork)

eip150_hash: EIP150 HF hash (needed for header only clients as only gas pricing changed)

eip155_block: EIP155Block HF block

eip158_block: EIP158 HF block

byzantium_block: Byzantium switch block (nil no fork, 0 = already on byzantium)

constantinople_block: Constantinople switch block (nil no fork, 0 = already activated)

petersburg_block: Petersburg switch block (nil same as Constantinople)

istanbul_block: Istanbul switch block (nil no fork, 0 = already on istanbul)

muir_glacier_block: Eip-2384 (bomb delay) switch block (nil no fork, 0 = already activated)

berlin_block: Berlin switch block (nil = no fork, 0 = already on berlin)

london_block: London switch block (nil = no fork, 0 = already on london)

arrow_glacier_block: Eip-4345 (bomb delay) switch block (nil = no fork, 0 = already activated)

gray_glacier_block: EIP-5133 (bomb delay) switch block (nil = no fork, 0 = already activated)

merge_netsplit_block: Virtual fork after The Merge to use as a network splitter

shanghai_block switch block (nil = no fork, 0 = already on shanghai)

cancun_block switch block (nil = no fork, 0 = already on cancun)

enable_memory switches memory capture

enable_return_data switches the capture of return data

tracer_json_config configures the tracer using a JSON string

block_number of the traced block

block_hash (hex) of the traced block

block_time of the traced block

proposer_address is the address of the requested block

chain_id is the eip155 chain id parsed from the requested block header

block_max_gas of the traced block