| 1 | import { isUndefined } from '@polkadot/util';
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| 2 | function sig({ lookup }, { method, section }, args) {
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| 3 | return `${section}.${method}(${args.map((a) => lookup.getTypeDef(a).type).join(', ')})`;
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| 4 | }
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| 5 | export function extractStorageArgs(registry, creator, _args) {
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| 6 | const args = _args.filter((a) => !isUndefined(a));
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| 7 | if (creator.meta.type.isPlain) {
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| 8 | if (args.length !== 0) {
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| 9 | throw new Error(`${sig(registry, creator, [])} does not take any arguments, ${args.length} found`);
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| 10 | }
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| 11 | }
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| 12 | else {
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| 13 | const { hashers, key } = creator.meta.type.asMap;
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| 14 | const keys = hashers.length === 1
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| 15 | ? [key]
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| 16 | : registry.lookup.getSiType(key).def.asTuple.map((t) => t);
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| 17 | if (args.length !== keys.length) {
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| 18 | throw new Error(`${sig(registry, creator, keys)} is a map, requiring ${keys.length} arguments, ${args.length} found`);
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| 19 | }
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| 20 | }
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| 21 |
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| 22 | return [creator, args];
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| 23 | }
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