Function: hashByteCodeSegments()

hashByteCodeSegments(casm): bigint

Defined in: src/utils/hash/classHash/poseidon.ts:53

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

casm

CairoAssembly

compiled Sierra CASM file content.

Returns

bigint

the bytecode hash as bigint.

Example

const compiledCasm = json.parse(fs.readFileSync("./contractC260.casm.json").toString("ascii"));
const result = hash.hashByteCodeSegments(compiledCasm);
// result = 80499149343908132326491548897246987792410240503053732367044713070598981699n