Namespace: hash

Namespaces

• poseidon

Functions

keccakBn

▸ keccakBn(value): string

Calculate hex-string keccak hash for a given BigNumberish

BigNumberish -> hex-string keccak hash

Parameters

Name	Type
value	BigNumberish

Returns

string

format: hex-string

Defined in

src/utils/selector.ts:14

---

starknetKeccak

▸ starknetKeccak(str): bigint

Calculate bigint keccak hash for a given string

String -> bigint keccak hash

Reference

Parameters

Name	Type	Description
str	string	the value you want to get the keccak hash from

Returns

bigint

starknet keccak hash as BigInt

Defined in

src/utils/selector.ts:39

---

getSelectorFromName

▸ getSelectorFromName(funcName): string

Calculate hex-string selector for a given abi-function-name

Abi-function-name -> hex-string selector

Reference

Parameters

Name	Type	Description
funcName	string	ascii-string of 'abi function name'

Returns

string

format: hex-string; selector for 'abi function name'

Defined in

src/utils/selector.ts:54

---

getSelector

▸ getSelector(value): string

Calculate hex-string selector from abi-function-name, decimal string or hex string

('abi-function-name' or dec-string or hex-string) -> hex-string selector

Parameters

Name	Type	Description
value	string	hex-string | dec-string | ascii-string

Returns

string

format: hex-string

Defined in

src/utils/selector.ts:67

---

calculateInvokeTransactionHash

▸ calculateInvokeTransactionHash(args): string

Parameters

Name	Type
args	CalcInvokeTxHashArgs

Returns

string

Defined in

src/utils/hash/transactionHash/index.ts:60

---

calculateDeclareTransactionHash

▸ calculateDeclareTransactionHash(args): string

Parameters

Name	Type
args	CalcDeclareTxHashArgs

Returns

string

Defined in

src/utils/hash/transactionHash/index.ts:122

---

calculateDeployAccountTransactionHash

▸ calculateDeployAccountTransactionHash(args): string

Parameters

Name	Type
args	CalcDeployAccountTxHashArgs

Returns

string

Defined in

src/utils/hash/transactionHash/index.ts:191

---

computePedersenHash

▸ computePedersenHash(a, b): string

Parameters

Name	Type
a	BigNumberish
b	BigNumberish

Returns

string

Defined in

src/utils/hash/classHash.ts:27

---

computePoseidonHash

▸ computePoseidonHash(a, b): string

Parameters

Name	Type
a	BigNumberish
b	BigNumberish

Returns

string

Defined in

src/utils/hash/classHash.ts:31

---

computeHashOnElements

▸ computeHashOnElements(data): string

Compute pedersen hash from data

Parameters

Name	Type
data	BigNumberish[]

Returns

string

format: hex-string - pedersen hash

Defined in

src/utils/hash/classHash.ts:39

---

computePoseidonHashOnElements

▸ computePoseidonHashOnElements(data): string

Parameters

Name	Type
data	BigNumberish[]

Returns

string

Defined in

src/utils/hash/classHash.ts:47

---

calculateContractAddressFromHash

▸ calculateContractAddressFromHash(salt, classHash, constructorCalldata, deployerAddress): string

Calculate contract address from class hash

Parameters

Name	Type
salt	BigNumberish
classHash	BigNumberish
constructorCalldata	RawArgs
deployerAddress	BigNumberish

Returns

string

format: hex-string

Defined in

src/utils/hash/classHash.ts:55

---

formatSpaces

▸ formatSpaces(json): string

Format json-string to conform starknet json-string

Parameters

Name	Type	Description
json	string	json-string

Returns

string

format: json-string

Defined in

src/utils/hash/classHash.ts:93

---

computeLegacyContractClassHash

▸ computeLegacyContractClassHash(contract): string

Computes the class hash for legacy compiled contract (Cairo 0)

Parameters

Name	Type
contract	string | LegacyCompiledContract

Returns

string

format: hex-string

Defined in

src/utils/hash/classHash.ts:127

---

hashByteCodeSegments

▸ hashByteCodeSegments(casm): bigint

Compute hash of the bytecode for Sierra v1.5.0 onwards (Cairo 2.6.0) Each segment is Poseidon hashed. The global hash is : 1 + PoseidonHash(len0, h0, len1, h1, ...)

Parameters

Name	Type	Description
casm	CairoAssembly	compiled Sierra CASM file content.

Returns

bigint

the bytecode hash as bigint.

Defined in

src/utils/hash/classHash.ts:189

---

computeCompiledClassHash

▸ computeCompiledClassHash(casm): string

Compute compiled class hash for contract (Cairo 1)

Parameters

Name	Type
casm	CairoAssembly

Returns

string

format: hex-string

Defined in

src/utils/hash/classHash.ts:206

---

computeSierraContractClassHash

▸ computeSierraContractClassHash(sierra): string

Compute sierra contract class hash (Cairo 1)

Parameters

Name	Type
sierra	CompiledSierra

Returns

string

format: hex-string

Defined in

src/utils/hash/classHash.ts:253

---

computeContractClassHash

▸ computeContractClassHash(contract): string

Compute ClassHash (sierra or legacy) based on provided contract

Parameters

Name	Type
contract	string | CompiledContract

Returns

string

format: hex-string

Defined in

src/utils/hash/classHash.ts:290

---

computePedersenHashOnElements

▸ computePedersenHashOnElements(data): string

Compute pedersen hash from data

Parameters

Name	Type
data	BigNumberish[]

Returns

string

format: hex-string - pedersen hash

Defined in

src/utils/hash/classHash.ts:39