EVMBtcStoredHeader

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:25

Represents a bitcoin header already committed inside EVM BTC relay contract state.

Implements

• BtcStoredHeader<EVMBtcHeader>

Methods

computeNext()

computeNext(header): EVMBtcStoredHeader;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:133

Computes and returns a new stored blockheader after adding a new blockheader on top of it

Parameters

Parameter	Type	Description
header	EVMBtcHeader	The new blockheader to append to the chain

Returns

EVMBtcStoredHeader

Implementation of

BtcStoredHeader.computeNext

---

deserialize()

static deserialize(data): EVMBtcStoredHeader;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:184

Deserializes a stored blockheader from the 160-byte binary representation.

Parameters

Parameter	Type	Description
data	Buffer	Serialized stored blockheader bytes

Returns

EVMBtcStoredHeader

---

getBlockHash()

getBlockHash(): Buffer;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:84

Returns

Buffer

Inherit Doc

---

getBlockheight()

getBlockheight(): number;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:49

Blockheight of the current block

Returns

number

Implementation of

BtcStoredHeader.getBlockheight

---

getChainWork()

getChainWork(): Buffer;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:56

Total accumulated chainwork at this block

Returns

Buffer

Implementation of

BtcStoredHeader.getChainWork

---

getCommitHash()

getCommitHash(): string;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:148

Returns the commitment of this stored head (keccak256 hash), this is what's actually stored on-chain

Returns

string

---

getHeader()

getHeader(): EVMBtcHeader;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:63

The actual blockheader that was saved

Returns

EVMBtcHeader

Implementation of

BtcStoredHeader.getHeader

---

getLastDiffAdjustment()

getLastDiffAdjustment(): number;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:70

UNIX seconds timestamp of the last difficulty adjustment

Returns

number

Implementation of

BtcStoredHeader.getLastDiffAdjustment

---

getPrevBlockTimestamps()

getPrevBlockTimestamps(): number[];

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:77

UNIX seconds timestamps of the last 11 blocks, used for checking the median block time rule

Returns

number[]

Implementation of

BtcStoredHeader.getPrevBlockTimestamps

---

serialize()

serialize(): Buffer;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:155

Serializes the stored blockheader into the 160-byte binary layout used by the EVM contracts.

Returns

Buffer

---

serializeToStruct()

serializeToStruct(): object;

Defined in: atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:170

Serializes the stored blockheader into the contract tuple form (bytes32[5] payload).

Returns

object

Name	Type	Defined in
data	[string, string, string, string, string]	atomiq-chain-evm/src/evm/btcrelay/headers/EVMBtcStoredHeader.ts:170