ccxt
Version:
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JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var index$1 = require('../../../scure-starknet/index.js');
var constants = require('../../constants.js');
var index = require('../calldata/index.js');
var cairo = require('../calldata/cairo.js');
require('../../../scure-base/index.js');
var num = require('../num.js');
// ----------------------------------------------------------------------------
function computePedersenHash(a, b) {
return index$1.pedersen(BigInt(a), BigInt(b));
}
function computePoseidonHash(a, b) {
return num.toHex(index$1.poseidonHash(BigInt(a), BigInt(b)));
}
/**
* Compute pedersen hash from data
* @returns format: hex-string - pedersen hash
*/
function computeHashOnElements(data) {
return [...data, data.length]
.reduce((x, y) => index$1.pedersen(BigInt(x), BigInt(y)), 0)
.toString();
}
const computePedersenHashOnElements = computeHashOnElements;
function computePoseidonHashOnElements(data) {
return num.toHex(index$1.poseidonHashMany(data.map((x) => BigInt(x))));
}
/**
* Calculate contract address from class hash
* @returns format: hex-string
*/
function calculateContractAddressFromHash(salt, classHash, constructorCalldata, deployerAddress) {
const compiledCalldata = index.CallData.compile(constructorCalldata);
const constructorCalldataHash = computeHashOnElements(compiledCalldata);
const CONTRACT_ADDRESS_PREFIX = cairo.felt('0x535441524b4e45545f434f4e54524143545f41444452455353'); // Equivalent to 'STARKNET_CONTRACT_ADDRESS'
const hash = computeHashOnElements([
CONTRACT_ADDRESS_PREFIX,
deployerAddress,
salt,
classHash,
constructorCalldataHash,
]);
return num.toHex(BigInt(hash) % constants.ADDR_BOUND);
}
exports.calculateContractAddressFromHash = calculateContractAddressFromHash;
exports.computeHashOnElements = computeHashOnElements;
exports.computePedersenHash = computePedersenHash;
exports.computePedersenHashOnElements = computePedersenHashOnElements;
exports.computePoseidonHash = computePoseidonHash;
exports.computePoseidonHashOnElements = computePoseidonHashOnElements;