@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
35 lines (33 loc) • 1.71 kB
JavaScript
import { Types } from '../../constants';
import { BuiltinInterface } from '../BuiltinInterface';
import { SysCallInstanceMemberPrimitive } from './SysCallInstanceMemberPrimitive';
import { ValueFor } from './ValueFor';
import { ValueInstanceOf } from './ValueInstanceOf';
class ContractInterface extends BuiltinInterface {
}
class ContractConstructorInterface extends BuiltinInterface {
}
export const add = (builtins) => {
builtins.addContractInterface('Contract', new ContractInterface());
builtins.addContractValue('Contract', new ValueInstanceOf('ContractConstructor', (sb) => sb.helpers.isContract));
builtins.addContractMember('Contract', 'script', new SysCallInstanceMemberPrimitive('Neo.Contract.GetScript', Types.Contract, Types.Buffer));
builtins.addContractMember('Contract', 'payable', new SysCallInstanceMemberPrimitive('Neo.Contract.IsPayable', Types.Contract, Types.Boolean));
builtins.addContractInterface('ContractConstructor', new ContractConstructorInterface());
builtins.addContractMember('ContractConstructor', 'for', new ValueFor('Neo.Blockchain.GetContract', (sb, node, options) => {
sb.emitHelper(node, options, sb.helpers.if({
condition: () => {
sb.emitOp(node, 'DUP');
sb.emitPushBuffer(node, Buffer.from([]));
sb.emitOp(node, 'EQUAL');
},
whenTrue: () => {
sb.emitOp(node, 'DROP');
sb.emitHelper(node, options, sb.helpers.wrapUndefined);
},
whenFalse: () => {
sb.emitHelper(node, options, sb.helpers.wrapContract);
},
}));
}));
};
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