StarknetBtcStoredHeader

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:22

Representing a bitcoin blockheader struct which has already been saved and committed inside the Starknet BTC relay smart contract

Implements

• BtcStoredHeader<StarknetBtcHeader>

Methods

computeNext()

computeNext(header): StarknetBtcStoredHeader;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:136

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

Parameters

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

Returns

StarknetBtcStoredHeader

Implementation of

BtcStoredHeader.computeNext

---

fromSerializedFeltArray()

static fromSerializedFeltArray(span): StarknetBtcStoredHeader;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:167

Deserializes the store bitcoin blockheader from its felt252 array representation

Parameters

Parameter	Type	Description
span	BigNumberish[]	felt252 array encoding the stored blockheader, has to be at least 42 felts long

Returns

StarknetBtcStoredHeader

---

getBlockHash()

getBlockHash(): Buffer;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:85

Returns

Buffer

Inherit Doc

---

getBlockheight()

getBlockheight(): number;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:50

Blockheight of the current block

Returns

number

Implementation of

BtcStoredHeader.getBlockheight

---

getChainWork()

getChainWork(): Buffer;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:57

Total accumulated chainwork at this block

Returns

Buffer

Implementation of

BtcStoredHeader.getChainWork

---

getHeader()

getHeader(): StarknetBtcHeader;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:64

The actual blockheader that was saved

Returns

StarknetBtcHeader

Implementation of

BtcStoredHeader.getHeader

---

getLastDiffAdjustment()

getLastDiffAdjustment(): number;

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:71

UNIX seconds timestamp of the last difficulty adjustment

Returns

number

Implementation of

BtcStoredHeader.getLastDiffAdjustment

---

getPrevBlockTimestamps()

getPrevBlockTimestamps(): number[];

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:78

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

Returns

number[]

Implementation of

BtcStoredHeader.getPrevBlockTimestamps

---

serialize()

serialize(): BigNumberish[];

Defined in: atomiq-chain-starknet/src/starknet/btcrelay/headers/StarknetBtcStoredHeader.ts:150

Serializes the bitcoin stored blockheader struct to an array of felt252 of length 42

Returns

BigNumberish[]