types#Abi TypeScript Examples

The following examples show how to use types#Abi. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: useContract.ts From contracts-ui with GNU General Public License v3.0

6 votes

export function useContract(address: string): DbQuery<ReturnType> {
  const { api } = useApi();
  const { db } = useDatabase();

  const query = useCallback(async (): Promise<ReturnType> => {
    const document = await findContractByAddress(db, address);

    return api && document
      ? [new Contract(api, new Abi(document.abi), address), document]
      : [null, null];
  }, [db, address, api]);

  return useDbQuery(query, result => !!result && !!result[0]);
}

Example #2

Source File: useMetadata.ts From contracts-ui with GNU General Public License v3.0

6 votes

function deriveFromJson(
  options: DeriveOptions,
  source?: Record<string, unknown>,
  api?: ApiPromise | null
): MetadataState {
  if (!source) {
    return EMPTY;
  }

  let value: Abi | undefined = undefined;

  try {
    value = new Abi(source, api?.registry.getChainProperties());

    const name = options.name || value.info.contract.name.toString();

    return {
      source,
      name,
      value,
      isSupplied: true,
      ...validate(value, options),
    };
  } catch (e) {
    console.error(e);

    return {
      source,
      name: '',
      value,
      isSupplied: true,
      ...validate(value, options),
    };
  }
}

Example #3

Source File: useMetadata.ts From contracts-ui with GNU General Public License v3.0

6 votes

function validate(metadata: Abi | undefined, { isWasmRequired }: Options): Validation {
  if (!metadata) {
    return {
      isValid: false,
      isError: true,
      message:
        'Invalid contract file format. Please upload the generated .contract bundle for your smart contract.',
    };
  }

  const wasm = metadata.info.source.wasm;
  const isWasmEmpty = wasm.isEmpty;
  const isWasmInvalid = !isWasm(wasm.toU8a());

  if (isWasmRequired && (isWasmEmpty || isWasmInvalid)) {
    return {
      isValid: false,
      isError: true,
      message: 'This contract bundle has an empty or invalid WASM field.',
    };
  }

  return {
    isValid: true,
    isError: false,
    isSuccess: true,
    message: isWasmRequired ? 'Valid contract bundle!' : 'Valid metadata file!',
  };
}