@neo-one/smart-contract-compiler/dist/esm/compile/helper/storage/GetStorageBaseHelper.js

NEO•ONE TypeScript smart contract compiler.

import { Helper } from '../Helper';
export class GetStorageBaseHelper extends Helper {
    emit(sb, node, optionsIn) {
        const options = sb.pushValueOptions(optionsIn);
        sb.emitSysCall(node, 'Neo.Storage.GetReadOnlyContext');
        sb.emitSysCall(node, 'Neo.Storage.Find');
        sb.emitOp(node, 'DUP');
        sb.emitHelper(node, options, sb.helpers.if({
            condition: () => {
                sb.emitSysCall(node, 'Neo.Enumerator.Next');
            },
            whenTrue: () => {
                sb.emitSysCall(node, 'Neo.Enumerator.Value');
            },
            whenFalse: () => {
                sb.emitOp(node, 'DROP');
                sb.emitPushBuffer(node, Buffer.alloc(0, 0));
            },
        }));
        if (!optionsIn.pushValue) {
            sb.emitOp(node, 'DROP');
        }
    }
}

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