ethereumjs-monorepo

@ethereumjs/block

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@ethereumjs/block / HeaderData

Interface: HeaderData

Defined in: types.ts:87

A block header’s data.

Properties

baseFeePerGas?

optional baseFeePerGas?: BigIntLike

Defined in: types.ts:119

EIP-1559 base fee per gas; required from London activation block onward.

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blobGasUsed?

optional blobGasUsed?: BigIntLike

Defined in: types.ts:123

Total blob gas consumed in this block (EIP-4844).

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blockAccessListHash?

optional blockAccessListHash?: BytesLike

Defined in: types.ts:135

32-byte keccak256(rlp(bal)) commitment when EIP-7928 is active.

Remarks

Experimental (Amsterdam): may change on patch releases.

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coinbase?

optional coinbase?: AddressLike

Defined in: types.ts:93

Beneficiary address (miner/coinbase).

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difficulty?

optional difficulty?: BigIntLike

Defined in: types.ts:103

Block difficulty (PoW) or Clique turn indicator (PoA).

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excessBlobGas?

optional excessBlobGas?: BigIntLike

Defined in: types.ts:125

Running excess blob gas after this block (EIP-4844).

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extraData?

optional extraData?: BytesLike

Defined in: types.ts:113

Arbitrary extra data (Clique seal lives here on PoA chains).

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gasLimit?

optional gasLimit?: BigIntLike

Defined in: types.ts:107

Maximum gas allowed in this block.

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gasUsed?

optional gasUsed?: BigIntLike

Defined in: types.ts:109

Total gas used by all transactions.

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logsBloom?

optional logsBloom?: BytesLike

Defined in: types.ts:101

Bloom filter of block logs.

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mixHash?

optional mixHash?: BytesLike

Defined in: types.ts:115

Mix hash / prevRandao (PoW mix digest or post-merge randomness).

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nonce?

optional nonce?: BytesLike

Defined in: types.ts:117

PoW nonce (8 bytes) or Clique vote nonce.

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number?

optional number?: BigIntLike

Defined in: types.ts:105

Canonical block height.

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parentBeaconBlockRoot?

optional parentBeaconBlockRoot?: BytesLike

Defined in: types.ts:127

Parent beacon block root (EIP-4788).

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parentHash?

optional parentHash?: BytesLike

Defined in: types.ts:89

Hash of the parent block header.

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receiptTrie?

optional receiptTrie?: BytesLike

Defined in: types.ts:99

Receipts trie root.

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requestsHash?

optional requestsHash?: BytesLike

Defined in: types.ts:129

Requests trie root (EIP-7685).

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slotNumber?

optional slotNumber?: BigIntLike

Defined in: types.ts:141

Consensus slot number when EIP-7843 is active.

Remarks

Experimental (Amsterdam): may change on patch releases.

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stateRoot?

optional stateRoot?: BytesLike

Defined in: types.ts:95

State trie root after executing this block.

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timestamp?

optional timestamp?: BigIntLike

Defined in: types.ts:111

Unix timestamp when the block was collated.

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transactionsTrie?

optional transactionsTrie?: BytesLike

Defined in: types.ts:97

Transactions trie root.

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uncleHash?

optional uncleHash?: BytesLike

Defined in: types.ts:91

Keccak256 hash of the uncle headers list.

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withdrawalsRoot?

optional withdrawalsRoot?: BytesLike

Defined in: types.ts:121

Withdrawals trie root (EIP-4895).