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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | 1x 5x 4x 4x 4x 6x 6x 6x 6x 6x 2x 3x | import { autoInjectable } from "tsyringe";
import { Tr8AST } from "../../domain/ast.js";
import { SemanticValidationRule, ValidationResult } from "../validator.js";
@autoInjectable()
class SingleBookSourceDestForRequestRule implements SemanticValidationRule {
validate(ast: Tr8AST): ValidationResult {
if (ast.type === "REQ") {
const { txs } = ast;
const set: Set<string> = new Set();
for (const tx of txs) {
for (const source of tx.sources) {
set.add(source.book.book);
}
for (const dest of tx.destinations) {
set.add(dest.book.book);
}
if (set.size > 1) {
return {
isValid: false,
errors: [
"Request can only have one book in both sources and destinations across all txs.",
],
};
}
}
}
return {
isValid: true,
errors: [],
};
}
}
export { SingleBookSourceDestForRequestRule };
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