@tokamak-zk-evm/synthesizer/dist/cjs/precompiles/04-identity.js

Tokamak zk-EVM Synthesizer - Processes Ethereum transactions into wire maps for Tokamak zk-SNARK proof generation

import { short } from "@synthesizer-libs/util";
import { OOGResult } from '../evm.js';
import { gasLimitCheck } from './util.js';
import { getPrecompileName } from './index.js';
export function precompile04(opts) {
    const pName = getPrecompileName('04');
    const data = opts.data;
    let gasUsed = opts.common.param('identityGas');
    gasUsed += opts.common.param('identityWordGas') * BigInt(Math.ceil(data.length / 32));
    if (!gasLimitCheck(opts, gasUsed, pName)) {
        return OOGResult(opts.gasLimit);
    }
    if (opts._debug !== undefined) {
        opts._debug(`${pName} return data=${short(opts.data)}`);
    }
    return {
        executionGasUsed: gasUsed,
        returnValue: Uint8Array.from(data), // Copy the memory (`Uint8Array.from()`)
    };
}
//# sourceMappingURL=04-identity.js.map