Function fetchTokenName

packages/cardpay-subgraph/src/utils.ts:229–253

(tokenAddress: Address)

}

function fetchTokenName(tokenAddress: Address): string {
  let staticToken = StaticToken.fromAddress(tokenAddress);
  if (staticToken != null) {
    return (staticToken as StaticToken).name;
  }
  let contract = ERC20.bind(tokenAddress);
  let contractNameBytes = ERC20NameBytes.bind(tokenAddress);

  // try types string and bytes32 for name
  let nameValue = 'unknown';
  let nameResult = contract.try_name();
  if (nameResult.reverted) {
    let nameResultBytes = contractNameBytes.try_name();
    if (!nameResultBytes.reverted) {
      // for token that has no name function exposed
      if (!isNullEthValue(nameResultBytes.value.toHexString())) {
        nameValue = nameResultBytes.value.toString();
      }
    }
  } else {
    nameValue = nameResult.value;
  }

  return nameValue;
}

export function fetchTokenDecimals(tokenAddress: Address): BigInt {
  let staticToken = StaticToken.fromAddress(tokenAddress);