@neo-one/smart-contract-compiler
Version:
NEO•ONE TypeScript smart contract compiler.
39 lines (37 loc) • 1.51 kB
JavaScript
import { Op } from '@neo-one/client-common';
import { Helper } from '../Helper';
export class ApplicationMatchesVerificationHelper extends Helper {
emit(sb, node, optionsIn) {
const options = sb.pushValueOptions(optionsIn);
sb.emitSysCall(node, 'System.ExecutionEngine.GetScriptContainer');
sb.emitSysCall(node, 'Neo.InvocationTransaction.GetScript');
sb.emitOp(node, 'DUP');
sb.emitPushInt(node, 21);
sb.emitOp(node, 'TUCK');
sb.emitOp(node, 'RIGHT');
sb.emitPushBuffer(node, Buffer.from([Op.APPCALL]));
sb.emitSysCall(node, 'System.ExecutionEngine.GetExecutingScriptHash');
sb.emitOp(node, 'CAT');
sb.emitHelper(node, options, sb.helpers.if({
condition: () => {
sb.emitOp(node, 'EQUAL');
},
whenTrue: () => {
sb.emitOp(node, 'OVER');
sb.emitOp(node, 'SIZE');
sb.emitOp(node, 'SWAP');
sb.emitOp(node, 'SUB');
sb.emitOp(node, 'LEFT');
sb.emitOp(node, 'HASH160');
sb.emitSysCall(node, 'System.ExecutionEngine.GetEntryScriptHash');
sb.emitOp(node, 'EQUAL');
},
whenFalse: () => {
sb.emitOp(node, 'DROP');
sb.emitOp(node, 'DROP');
sb.emitPushBoolean(node, false);
},
}));
}
}
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